Op dit moment kunnen de gebruikers van IDEA StatiCa Steel kiezen uit 8 internationale of nationale normen en standaarden.
- AISC - Amerikaanse norm voor stalen gebouwen en bruggen
- EN - Eurocode - gebruikt in de meeste Europese landen (zonder nationale bijlagen)
- CISC - Canadese norm voor constructiestaal
- AS - Australische standaarden en normen
- SP - Russische nationale standaarden
- GB - Chinese nationale standaarden
- HKG - Hongkongse norm voor constructief gebruik van staal
- IS - Indiase standaarden
Meer informatie vindt u in de blogpost Normen en standaarden ondersteund in IDEA StatiCa Steel.
Nieuws en updates voor normen
We werken er voortdurend aan om de software up-to-date te houden op basis van de nieuwste versies van normen en standaarden. Lees de volgende paragrafen en ontdek wat er verbeterd is.
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Name: RN 21.1: Weld checks specifics as per EN and IS
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"value": "<p>Lassen in de werkplaats is weliswaar nauwkeuriger, maar vereist ook vervoer naar de locatie. En lassen op locatie is vaak duur in uitvoering en overmatig gebruik van lasmaterialen. Lees verder om te leren welke aanpak het beste bij uw projecten past.</p>\n<p>Lassen zijn zeer stijf en worden daarom als veiliger beschouwd. Maar beide manieren van lassen hebben hun voor- en nadelen. </p>\n<p>Lassen op locatie is erg populair geworden bij aannemers met grote bouwprojecten. Maar zoals gezegd brengt lassen extra kosten met zich mee. Aannemers hebben meer ervaren lassers nodig, de werkomstandigheden zijn lastiger, kwaliteitscontroles zijn soms zelfs niet mogelijk en het minder nauwkeurige werk brengt uiteraard hogere materiaalkosten met zich mee, omdat lassers de lasdikte meestal ter plaatse vergroten. </p>\n<p>U weet al dat u met IDEA StatiCa niet alleen de stijfheid van de las kunt berekenen, maar ook de kosten van de verbinding kunt schatten, afhankelijk van het type las, enz. Dat is niets nieuws onder de zon. <a data-item-id=\"dc6882ef-317b-417a-b684-943901355f3d\" href=\"\">U kunt een van onze artikelen lezen over de kostenberekening van de verbinding</a>.</p>\n<p>Maar wij vinden ook dat verbindingsontwerpen zo nauwkeurig mogelijk moeten zijn en toch voldoende verbindingsweerstand moeten bieden. En een van onze functies kan u daarbij helpen.</p>\n<h2>Ontwerpen van contact tussen kolom en voetplaat</h2>\n<p>Stel, u moet een stalen kolom ontwerpen die aan de voetplaat is gelast. De belasting moet worden overgebracht van de bovenbouw naar de fundering. In bepaalde landen is het mogelijk het contact tussen de kolom en zijn voetplaat op te nemen bij de evaluatie van de druksterkte van de verbinding.</p>\n<p>In de meeste normen, zoals de Eurocode, wordt aangenomen dat de belasting alleen door de lassen loopt. Daarom moeten de lassen zo worden ontworpen dat zij de volledige drukkracht van de bovenliggende constructie weerstaan. U kunt zich echter voorstellen dat er een zeker contact bestaat tussen de kolombasis en de voetplaat, nog voordat deze twee aan elkaar zijn gelast.</p>\n<p>In sommige regio's staan de technische handleidingen toe dat dit contact in aanmerking wordt genomen bij de evaluatie van de drukweerstand. Uiteraard zijn er bepaalde criteria waaraan moet worden voldaan om deze benadering te mogen toepassen. Het contact zorgt dan voor een extra weerstand tegen de druksterkte van de basislas, wat tot een economischer ontwerp van de lassen leidt.</p>\n<figure data-asset-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\" data-image-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/2a16ecdf-f660-47b6-bb32-9b9aeecf3314/6.png\" data-asset-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\" data-image-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\" alt=\"\"></figure>\n<p>Het <a data-item-id=\"6a4c43f3-4910-44fa-9a88-a9f70967f647\" href=\"\">model van de las</a> wordt dan ingesteld op een hoge stijfheid. Zodra deze begint te buigen (d.w.z. plastisch te vervormen), wordt het contact geactiveerd en wordt de compressie door het contact opgenomen. Dit leidt tot aanzienlijke waarden van de spanning in de las, zelfs als het contact wordt toegepast. Belangrijk is echter dat de weerstand van de las in afschuiving niet afneemt. De las wordt niet meer gecontroleerd in druk, omdat deze door het contact wordt overgenomen, maar de spanning en afschuiving worden nog steeds aan de las toegewezen en de passende controles worden uitgevoerd.</p>\n<p>In de praktijk voegt u tegelijkertijd een contact <strong>en</strong> een las toe aan de desbetreffende randen van het element (in dit geval de kolom). Vanuit het oogpunt van belastingoverdracht zal het contact alleen in druk werken, terwijl de lassen afschuif- en trekkrachten overbrengen. Beide bewerkingen zijn beschikbaar onder de bewerking \"lassen of contact\".</p>\n<figure data-asset-id=\"29614fc0-aa03-499c-b343-7c518253d397\" data-image-id=\"29614fc0-aa03-499c-b343-7c518253d397\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/d7f5114a-1fcd-4da4-9496-44a11d412653/1.png\" data-asset-id=\"29614fc0-aa03-499c-b343-7c518253d397\" data-image-id=\"29614fc0-aa03-499c-b343-7c518253d397\" alt=\"\"></figure>\n<p>Dit is wat u ziet in IDEA StatiCa Connection:</p>\n<ul>\n <li>Een rode lijn die het drukcontact weergeeft, wordt gecombineerd met een gele lijn om de lasnaden aan te geven (wanneer de transparante weergave is geactiveerd).</li>\n</ul>\n<figure data-asset-id=\"9a6d9cfe-6a47-4004-ac16-16dc15eadf5d\" data-image-id=\"9a6d9cfe-6a47-4004-ac16-16dc15eadf5d\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/6af8d357-08a5-4696-bc89-3f5b3938463a/5.png\" data-asset-id=\"9a6d9cfe-6a47-4004-ac16-16dc15eadf5d\" data-image-id=\"9a6d9cfe-6a47-4004-ac16-16dc15eadf5d\" alt=\"\"></figure>\n<ul>\n <li>In de resultaten en het rapport is een naar beneden gerichte pijl toegevoegd naast het rechthoeksymbool van de hoeklas.</li>\n</ul>\n<figure data-asset-id=\"49e646c3-621b-4946-98c5-3330d6b697dc\" data-image-id=\"49e646c3-621b-4946-98c5-3330d6b697dc\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/40b0ff4a-152f-4245-af7e-7424793620db/7.png\" data-asset-id=\"49e646c3-621b-4946-98c5-3330d6b697dc\" data-image-id=\"49e646c3-621b-4946-98c5-3330d6b697dc\" alt=\"\"></figure>\n<p>U kunt elk type hoeklas toepassen in combinatie met het contact (d.w.z. continu, gedeeltelijk of kettinglas). Stompe lassen zijn van nature niet gecombineerd.</p>\n<figure data-asset-id=\"29ab325a-b8f5-4f92-93af-d4e9a10b81c8\" data-image-id=\"29ab325a-b8f5-4f92-93af-d4e9a10b81c8\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/d2b3e9c9-3586-4eeb-963a-70e24edca19c/4.png\" data-asset-id=\"29ab325a-b8f5-4f92-93af-d4e9a10b81c8\" data-image-id=\"29ab325a-b8f5-4f92-93af-d4e9a10b81c8\" alt=\"\"></figure>\n<h3>Beperkingen van de procedure</h3>\n<p>De voorgestelde aanpak kan worden toegepast wanneer de eigenlijke bewerkingen bij de fabricage gewaarborgd zijn: de randen van het gelaste element moeten <strong>nauwkeurig worden bewerkt</strong> zodat er <strong>geen spleet</strong> is tussen de gelaste delen. Vanwege deze strenge criteria is deze procedure beperkt tot bepaalde landen zoals Nederland en het Verenigd Koninkrijk. Wij kunnen niet genoeg benadrukken dat de verantwoordelijkheid voor het voldoen aan deze criteria bij de ingenieur blijft liggen.</p>\n<h3>Meer ontdekken </h3>\n<p><a data-item-id=\"ddfe7eda-4125-461a-b0f1-90de133d5cc6\" href=\"\">De combinatie van het contact in compressie</a> en een las op dezelfde rand van de staalplaat is een van de nieuwe functies in IDEA StatiCa versie 22.1 die in oktober van dit jaar is uitgebracht. Bekijk de volledige lijst van de nieuwe functies in onze <a data-item-id=\"8136efc3-3a87-48df-9cb2-890edbe4cfb2\" href=\"\">Release notes of IDEA StatiCa 22.1</a> voor staal en beton of bekijk een live presentatie in onze <a data-item-id=\"16d6512d-82ee-4689-823f-5998c9421d66\" href=\"\">What's new in IDEA StatiCa 22.1</a> webinar.</p>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"ac451d78_ce8a_0143_c273_05b9c3fb99f8\"></object>"
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"value": "<h2>Bout model volgens de CBFEM methode </h2>\n<p>IDEA StatiCa heeft een unieke methode in zijn solver, de <a data-item-id=\"6e068636-6a02-5d0e-89ad-6dcff4e21151\" href=\"\">Component-based Finite Element Method (CBFEM)</a>.. Het boutmodel dat in CBFEM wordt gebruikt, wordt beschreven en geverifieerd aan de hand van verschillende staalontwerpnormen. De weerstand van de bout en de vervormingscapaciteit worden ook vergeleken met de belangrijkste experimentele onderzoeksprogramma's.</p>\n<p>In de Component-Based Finite Element Method (CBFEM) is de bout met zijn gedrag bij trek, afschuiving en stuik het onderdeel dat wordt beschreven door de afhankelijke niet-lineaire veren. De bout onder trek wordt beschreven door de veer met zijn axiale initiële stijfheid, ontwerpweerstand, begin van vloeien en vervormingscapaciteit. Voor het begin van vloeien en vervormingscapaciteit wordt aangenomen dat alleen plastische vervorming optreedt in het van schroefdraad voorziene deel van de boutschacht.</p>\n<p>In onze Theoretische achtergrond vindt u <a data-item-id=\"c2cc67f3-4000-4959-a195-b28becf63f2a\" href=\"\">meer informatie over hoe de CBFEM methode bouten berekent en verifieert </a> Indien u meer wilt weten over CBFEM in het algemeen, dan is de volledige <a data-item-id=\"d4aa2923-a94a-4c40-8fd8-93608acbf893\" href=\"\">Algemene theoretische achtergrond </a> zeker de beste plek om mee te beginnen.</p>\n<p><br></p>\n<h2>Bouten volgens de normen</h2>\n<p>Laten we eens kijken hoe de benadering van bouten in CBFEM gaat vanuit het oogpunt van individuele norm-controles. Tot nu toe ondersteunt IDEA StatiCa acht normen waarin ontwerp en/of detaillering van bouten en voorgespannen bouten wordt berekend.</p>\n<h3>Controle van bouten en voorgespannen bouten volgens de Eurocode</h3>\n<p>The initial stiffness and design resistance of bolts in shear are in CBFEM modeled according to Cl. 3.6 and 6.3.2 in EN 1993-1-8. The spring representing bearing and tension has a bi-linear force-deformation behavior with an initial stiffness and design resistance according to Cl. 3.6 and 6.3.2 in EN 1993-1-8.</p>\n<p>De initiële stijfheid en ontwerpweerstand van bouten in afschuiving zijn in CBFEM gemodelleerd volgens hoofdstuk 3.6 en 6.3.2 van EN 1993-1-8. De veer die de stuik en trek vertegenwoordigt, vertoont een bi-lineair kracht-vervormingsgedrag met een initiële stijfheid en ontwerpweerstand volgens hoofdstuk 3.6 en 6.3.2 in EN 1993-1-8.</p>\n<p><strong>Detaillering</strong></p>\n<p>Rand-afstanden van de bouten worden gecontroleerd als de optie is 'detaillering' is geselecteerd in Norm-instellingen. Afmetingen van het hart van de bout tot de plaatrand en tussenafstanden van de bouten onderling worden gecontroleerd. Randafstand e = 1,2 en afstand tussen bouten p = 2,2 worden aanbevolen in tabel 3.3 in EN 1993-1-8. Gebruikers kunnen beide waarden wijzigen in de norm-instellingen.</p>\n<h3>Controle van bouten en voorgespannen bouten volgens AISC</h3>\n<p>De krachten in bouten worden bepaald door eindige elementenanalyse. De trekkrachten in de bouten zijn inclusief wrikkrachten. De boutweerstanden worden gecontroleerd volgens AISC 360 - Hoofdstuk J3.</p>\n<p><strong>Detaillering</strong></p>\n<p>De minimale afstand tussen bouten en de afstand tussen het hart van de bout en een rand van een verbonden onderdeel wordt gecontroleerd. De minimale afstand 2,66 keer (aanpasbaar in norm-instellingen) de nominale boutdiameter tussen de middelpunten van bouten wordt gecontroleerd volgens AISC 360-16 - J.3.3. De minimale afstand van het hart van de bout tot een rand van een verbonden onderdeel wordt gecontroleerd volgens AISC 360-16 - J.3.4; de waarden staan in tabel J3.4 en J3.4M.</p>\n<h3>Controle van bouten en voorgespannen bouten volgens andere standaarden</h3>\n<ul>\n <li><a href=\"https://www.ideastatica.com/support-center/check-of-bolts-and-preloaded-bolts-according-to-cisc\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Controle van bouten en voorgespannen bouten volgens CISC (Canada)</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/check-of-bolts-and-preloaded-bolts-according-to-chinese-standard\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Controle van bouten en voorgespannen bouten volgens Chinese standard (GB)</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/check-of-bolts-according-to-hong-kong-code\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Controle van bouten en voorgespannen bouten volgens de Hong Kong Code (HKG)</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/check-of-bolts-according-to-is-800\">Controle van voorgespannen bouten volgens IS 800 (India)</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/check-of-bolts-and-preloaded-bolts-according-to-sp\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Controle van bouten en voorgespannen bouten volgens SP (Russia)</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/check-of-bolts-and-preloaded-bolts-according-to-as\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Controle van bouten en voorgespannen bouten volgens AS (Australia)</a></li>\n</ul>\n<h2>Bout detaillering </h2>\n<p>Boutafstanden instellen</p>\n<p>Randafstanden die worden gebruikt voor de boutweerstanden moeten toepasbaar zijn voor algemene plaatgeometrieën, platen met openingen, uitsparingen, enz.</p>\n<p>Het algoritme leest de werkelijke richting van de resulterende dwarskrachtvector in een bout en berekent vervolgens de afstanden die nodig zijn voor de controle.</p>\n<p>De eind (e1) en rand (e2) afstanden worden bepaald door de plaatcontour in drie segmenten te verdelen. Het eindsegment wordt aangegeven met een bereik van 60 ° in de richting van de krachtvector. De randsegmenten worden gedefinieerd door twee te bereiken van 65 ° loodrecht op de krachtvector. De kortste afstand van een bout tot een relevant segment wordt dan als einde of randafstand genomen.</p>\n<figure data-asset-id=\"206cf95d-3010-4d11-ab8a-aceb3f62bdc6\" data-image-id=\"206cf95d-3010-4d11-ab8a-aceb3f62bdc6\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/c166c28a-3f8f-4d50-99ba-857ed9b01e6c/Bolt%20bearing%20distances%201.png\" data-asset-id=\"206cf95d-3010-4d11-ab8a-aceb3f62bdc6\" data-image-id=\"206cf95d-3010-4d11-ab8a-aceb3f62bdc6\" alt=\"Stuikweerstand controle met randafstanden in IDEA CONNECTION v20.1\"></figure>\n<p>De afstanden tussen boutgaten (p1; p2) worden bepaald door de omringende boutgaten virtueel met de helft van hun diameter te vergroten en vervolgens twee lijnen in de richting en loodrecht op de dwarskrachtvector te trekken. De afstanden tot de vergrote boutgaten die door deze lijnen worden doorgesneden, worden dan in de berekening als p1 en p2 beschouwd.</p>\n<figure data-asset-id=\"15a106be-af4c-4966-ac50-a889863e1a5c\" data-image-id=\"15a106be-af4c-4966-ac50-a889863e1a5c\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/b8152921-f220-412f-81de-8c8c83d7e2c2/Bolt%20bearing%20distances%202.png\" data-asset-id=\"15a106be-af4c-4966-ac50-a889863e1a5c\" data-image-id=\"15a106be-af4c-4966-ac50-a889863e1a5c\" alt=\"randafstand e2 randafstand e1 bout hart-op-hart afstand p1 en p2 in IDEA CONNECTION\"></figure>\n<h2>Verificatie voorbeelden</h2>\n<p>We hebben verschillende verificatievoorbeelden voorbereid om de resultaten hiervan te vergelijken met andere berekeningsmethoden.</p>\n<h4>EN</h4>\n<ul>\n <li><a href=\"https://www.ideastatica.com/support-center/bolted-connection-splices-in-shear\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Bout verbinding - plaatverbinding</a> </li>\n <li><a href=\"https://www.ideastatica.com/support-center/bolted-connection-interaction-of-shear-and-tension\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Boutverbinding - Interactiecontrole van dwarskracht en trek</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/haunched-joint-capacity-design\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Knoop met coupe –weerstand van de knoop</a></li>\n</ul>\n<h4>AISC</h4>\n<ul>\n <li><a href=\"https://www.ideastatica.com/support-center/bolted-splice-connection\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Geboute plaat verbinding</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/bolted-flange-plate-moment-connection-lrfd\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Geboute flens plaat moment verbinding – LRFD</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/extended-moment-end-plate-connection-asd\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Moment kopplaat verbinding – ASD</a></li>\n</ul>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"n916ca0ce_84e3_0108_2b69_2b15a6847068\"></object>\n<h2>Gepatenteerde technologie voor constructeurs</h2>\n<p>Wist u dat onze oplossing voor boutmodellen deel uitmaakt van ons Amerikaans patent? Lees <a data-item-id=\"627bdc92-14f2-416a-b7ef-7df116ea3e73\" href=\"\">hier</a> ons succesverhaal.</p>\n<figure data-asset-id=\"2546f7fb-18b9-4671-8e1b-238a6ec1b0e9\" data-image-id=\"2546f7fb-18b9-4671-8e1b-238a6ec1b0e9\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/a0abb5ad-7dba-4687-bfd8-e64fa9c03512/756213100-huge.jpg\" data-asset-id=\"2546f7fb-18b9-4671-8e1b-238a6ec1b0e9\" data-image-id=\"2546f7fb-18b9-4671-8e1b-238a6ec1b0e9\" alt=\"IDEA StatiCa gepatenteerd\"></figure>\n<h2> 1 boutverbinding - onze oplossing </h2>\n<p>Soms moet de ingenieur een verbinding maken met slechts één bout, b.v. bij een scharnierverbinding, een windverband, een staaf of een diagonaal. Om dit soort bewerking te modelleren en te berekenen, moet u een juist modeltype van de staaf definiëren. Meer hierover leest u <a href=\"https://www.ideastatica.com/support-center/how-to-model-one-bolt-connection\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">hier</a>.</p>\n<figure data-asset-id=\"cca7ed64-cf29-48bd-bb61-96c49f4f1285\" data-image-id=\"cca7ed64-cf29-48bd-bb61-96c49f4f1285\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/edfb27a5-88b9-4f39-ac2b-bd319f37ee29/Model%20type%200.png\" data-asset-id=\"cca7ed64-cf29-48bd-bb61-96c49f4f1285\" data-image-id=\"cca7ed64-cf29-48bd-bb61-96c49f4f1285\" alt=\"Windverband met 1 bout modelleren in IDEA CONNECTION\"></figure>\n<h2>Bouten, lassen, stijfheid van de knoop</h2>\n<p><br></p>\n<p>Zowel bouten als lassen hebben hun voor- en nadelen. Een van de belangrijke aspecten bij het kiezen van een verbinding is de geplande stijfheid. Over het algemeen is een boutverbinding nooit zo stijf als een lasverbinding. Als u voor een boutverbinding kiest, raden we aan om de stijfheid van een dergelijke verbinding te berekenen en rekening te houden met de berekende stijfheid in de hoofdconstructie. Hoe zo'n berekening eruitziet en wat het inhoudt, lees je <a data-item-id=\"6726bbc6-1826-4c43-9253-b8f6e0ab39a9\" href=\"\">hier</a>, of bekijk deze <a data-item-id=\"ab4c1281-d0ce-5c97-95ef-3c369206d272\" href=\"\">video</a>.</p>\n<figure data-asset-id=\"3ad5d43d-0568-4816-837a-543530a44c5c\" data-image-id=\"3ad5d43d-0568-4816-837a-543530a44c5c\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/d43f402a-8463-4e51-b040-bcbadaaab500/stiffness.png\" data-asset-id=\"3ad5d43d-0568-4816-837a-543530a44c5c\" data-image-id=\"3ad5d43d-0568-4816-837a-543530a44c5c\" alt=\"Stijfheidsclassificatie (stijf, flexibel, scharnierend) van een verbinding in IDEA CONNECTION\"></figure>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"link\" data-codename=\"untitled_content_item_a1697b4\"></object>"
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"value": "<h2>Lasmodel volgens CBFEM</h2>\n<p>IDEA StatiCa heeft een unieke methode in zijn solver, de <em>Component-based Finite Element Method (CBFEM)</em>. Het lasmodel dat in CBFEM wordt gebruikt, wordt beschreven en geverifieerd aan de hand van verschillende staalontwerpnormen. De weerstand en vervormingscapaciteit worden ook vergeleken met de belangrijkste experimentele onderzoeksprogramma's.</p>\n<p>Er zijn verschillende opties voor het benaderen van lassen in numerieke modellen. De grote vervormingen maken de mechanische analyse complex en het is mogelijk om verschillende netten te gebruiken, verschillende kinetische en kinematische variabelen en constitutieve modellen te gebruiken. Over het algemeen worden verschillende soorten geometrische 2D- en 3D-modellen toegepast en daarmee eindige elementen met hun toepasbaarheid voor verschillende nauwkeurigheidsniveaus. Het meest toegepaste materiaalmodel is het gangbare plasticiteitsmodel gebaseerd op het <a href=\"https://en.wikipedia.org/wiki/Von_Mises_yield_criterion\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">von Mises vloei criterium</a>. In het ontwerpmodel wordt geen rekening gehouden met restspanning en vervorming door lassen.</p>\n<p>The load is transmitted through force-deformation constraints based on the Lagrangian formulation to the opposite plate. The connection is called multi-point constraint (MPC) and relates the finite element nodes of one plate edge to another edge or surface. The finite element nodes are not connected directly. The advantage of this approach is the ability to connect meshes with different densities. The constraint allows to model midline surface of the connected plates with the offset, which respects the real weld configuration and throat thickness. The load distribution in the weld is derived from the MPC, so the stresses are calculated in the throat section. This is important for the stress distribution in the plate under the weld and for modeling of T-stubs.</p>\n<p>De belasting wordt via krachtvervormings beperkingen op basis van de Lagrangian formulering overgebracht op de aanliggende plaat. De verbinding wordt <em>multi-point constraint (MPC)</em> genoemd en relateert de eindige-elementknooppunten van de ene plaatrand aan een andere rand of oppervlak. De eindige-elementenknooppunten zijn niet rechtstreeks met elkaar verbonden. Het voordeel van deze benadering is de mogelijkheid om deze EE-Netten met verschillende dichtheden te verbinden. Het is nu mogelijk om het middellijnoppervlak van de verbonden platen te modelleren met de offset, waarbij de werkelijke lasconfiguratie en lasdikte intact blijven. De last-verdeling in de las is afgeleid van de MPC, dus de spanningen worden berekend in de keeldoorsnede. Het is belangrijk voor de spanningsverdeling in de plaat onder de las en voor het modelleren van T-stukken.</p>\n<figure data-asset-id=\"4a260917-112f-4e2a-9d28-8da1b16a76df\" data-image-id=\"4a260917-112f-4e2a-9d28-8da1b16a76df\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/0bd27c97-ebab-4887-9fc1-d9027cdf3df8/Structural%20design%20of%20a%20steel%20connection%20-%20Welds.png\" data-asset-id=\"4a260917-112f-4e2a-9d28-8da1b16a76df\" data-image-id=\"4a260917-112f-4e2a-9d28-8da1b16a76df\" alt=\"Lasmodel van Lasdefinitie in van elastoplastich materiaal in IDEA CONNECTION\"></figure>\n<p>In onze theoretische achtergrond vindt u <a data-item-id=\"68076977-c9aa-4fa5-b726-09433e204c2b\" href=\"\">meer informatie over hoe de CBFEM-methode lassen</a> beschrijft en verifieert.</p>\n<p>Als u wat meer wilt weten over CBFEM in het algemeen, dan is de <a data-item-id=\"d4aa2923-a94a-4c40-8fd8-93608acbf893\" href=\"\">volledige algemene theoretische achtergrond</a> de beste plek om mee te beginnen.</p>\n<h2>Lassen volgens normen</h2>\n<h3>Lassen volgens AISC</h3>\n<p>Hoeklassen worden gecontroleerd volgens AISC 360 - J2. De sterkte van CJP-groeflassen wordt verondersteld hetzelfde te zijn als het basismetaal en wordt niet gecontroleerd. Zoals de meeste IDEA Statica-gebruikers al gewend zijn, worden alle waarden die nodig zijn voor controles afgedrukt in tabellen.</p>\n<figure data-asset-id=\"f9fa3bce-8f47-4f75-a081-ad507e953c2f\" data-image-id=\"f9fa3bce-8f47-4f75-a081-ad507e953c2f\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/d2437755-1175-479b-97e8-4b24262b7021/welds_check.png\" data-asset-id=\"f9fa3bce-8f47-4f75-a081-ad507e953c2f\" data-image-id=\"f9fa3bce-8f47-4f75-a081-ad507e953c2f\" alt=\"Lascontroles volgens de norm in tabellen in IDEA Statica \"></figure>\n<p>Als het gaat om <strong>lasdetails</strong>, wordt de minimale en maximale lasdikte en de laslengte van de las gecontroleerd. De maximale lasdikte wordt gecontroleerd volgens AISC 360-16 - J2. De minimale lasdikte wordt gecontroleerd volgens tabel J2.4. Een gedetailleerde beschrijving van de parameters vindt u <a data-item-id=\"ffe45899-4875-4394-a9b5-bf87455fc52d\" href=\"\">in dit artikel</a>.</p>\n<p>Om u gemoedsrust te geven dat uw ontwerpen compleet en nauwkeurig zijn, worden de IDEA StatiCa-resultaten grondig getest en geverifieerd volgens de AISC-vereisten:</p>\n<ul>\n <li><a data-item-id=\"1cfcffb1-e431-5b5b-8443-ee54c95352b1\" href=\"\">Gelaste splice</a></li>\n <li><a data-item-id=\"1bd92fd0-aecf-58ba-88f1-818decf973c4\" href=\"\">Volledig gelaste double-angle verbinding </a></li>\n <li><a data-item-id=\"ed81d3c1-f275-5cda-a7c7-6449e5c30312\" href=\"\">Simpele las</a></li>\n <li><a data-item-id=\"ee2fa588-af99-5602-a575-3e0bfd234c67\" href=\"\">Simpele las - LRFD</a> </li>\n <li><a href=\"https://www.ideastatica.com/support-center/all?category=verification_example&label=aisc\">en meer </a></li>\n</ul>\n<h3>Lassen volgens Eurocode</h3>\n<p>Fillet welds are checked according to EN 1993-1-8. In this case, the engineer's concern is the design resistance and weld utilization. </p>\n<p>The plastic redistribution in welds is used to automatically avoid the stress singularities in weld elements, to redistribute the stress further along the weld length. </p>\n<p>Hoeklassen worden gecontroleerd volgens EN 1993-1-8. In dit geval is de zorg van de gebruikerr de ontwerpweerstand en het lasgebruik. De plastische herverdeling in lassen wordt gebruikt om automatisch de spannings singulariteiten in laselementen te vermijden, om de spanning verder over de laslengte te herverdelen.</p>\n<figure data-asset-id=\"6e157615-f2aa-4114-a7f9-b88331f68286\" data-image-id=\"6e157615-f2aa-4114-a7f9-b88331f68286\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/a0f463d1-7875-431b-81ee-82ea9151b974/stress_in_weld.png\" data-asset-id=\"6e157615-f2aa-4114-a7f9-b88331f68286\" data-image-id=\"6e157615-f2aa-4114-a7f9-b88331f68286\" alt=\"Spanning in lassen volgens de eurocode in IDEA CONNECTION\"></figure>\n<p>It is also important to be aware of the premise, the strength of butt welds is assumed the same as the base metal and is not checked. </p>\n<p>To read more about the <a data-item-id=\"df238e7d-f2f3-4b2a-beec-3b7e8f11651e\" href=\"\">weld check according to Eurocode</a>, our Theoretical background can be of help again. </p>\n<p><strong>Verifications of welded connections according to Eurocode</strong>:</p>\n<ul>\n <li><a data-item-id=\"ebf3225a-7603-4d57-9370-040e27c3f66f\" href=\"\">Fillet weld in lap joint</a></li>\n <li><a data-item-id=\"44fdfc71-52f9-459d-abb7-7fa4a9d7066d\" href=\"\">Fillet weld in fin plate joint</a></li>\n <li><a data-item-id=\"104ffb3c-62ca-4dd9-8107-23b3fcc189e5\" href=\"\">Fillet weld in angle plate joint</a></li>\n <li><a data-item-id=\"9452524f-95da-45b1-80ed-3494014278af\" href=\"\">Welded portal frame eaves moment connection</a></li>\n <li><a href=\"https://www.ideastatica.com/support-center/search?q=weld&category=verification_example&label=eurocode\">and many more</a></li>\n</ul>\n<h3>Lassen volgens andere normen</h3>\n<p>De meesten van u weten het al, IDEA Statica stelt u in staat om staalverbindingen te controleren volgens ( tot nu toe) acht nationale normen. Niet alleen van de bovengenoemde AISC en Eurocode, maar ook volgens de volgende normen:</p>\n<ul>\n <li><a data-item-id=\"cb00295b-bfcf-4c0f-8743-8532e311ca7b\" href=\"\">Lascontrole volgens CISC (Canada)</a></li>\n <li><a data-item-id=\"538b8bcb-f287-4259-b4e2-787c9792c367\" href=\"\">Lascontrole volgens AS (Australia)</a> + <a data-item-id=\"0f650241-104b-4d76-acdc-d1c36de7aa20\" href=\"\">las detailering</a></li>\n <li><a data-item-id=\"dad4f217-a192-41c1-bd71-6b540978346e\" href=\"\">Lascontrole volgens SP (Russia)</a> + <a data-item-id=\"da3851cf-a0e4-4a56-a74e-92980edcb861\" href=\"\">las detailering</a></li>\n <li><a data-item-id=\"0e848bd9-17f2-4448-83de-33c5b19bbde8\" href=\"\">Lascontrole volgens GB (China)</a> + <a data-item-id=\"d3ac46ce-2b78-4cec-b1b5-ca4ef2fb51e7\" href=\"\">las detailering</a></li>\n <li><a data-item-id=\"e301fcc8-cc43-42a4-8480-8a72357cd91f\" href=\"\">Lascontrole volgens HKG (Hong Kong)</a> + <a data-item-id=\"749477a9-b9d6-4808-913c-21603f384d8e\" href=\"\">las detailering</a></li>\n <li><a data-item-id=\"5d152fe4-3e0b-4905-b4d2-56dd1e255416\" href=\"\">Lascontrole volgens IS (India)</a> + <a data-item-id=\"3a55bcb9-6742-4915-b914-65903449fa9d\" href=\"\">las detailering</a></li>\n</ul>\n<h2>Lassen transformeren via BIM links</h2>\n<p>Bij het modelleren van een staalverbinding in CAD-software met IDEA StatiCa BIM-koppelingen waren er vroeger een paar zwakke plekken als het om lassen ging. De nieuwe IDEA StatiCa versie 20.1, uitgebracht in oktober 2020, bracht verschillende verbeteringen met zich mee om het leven van de ingenieur te vergemakkelijken en het ontwerpproces te versnellen.</p>\n<h3>Export met aanbevolen lassen</h3>\n<p>Soms worden tijdens het modelleerproces in CAD-software enkele lassen weggelaten of niet correct geïmporteerd. Voor dergelijke situaties is er nu een optie <strong>om aanbevolen lassen toe te voegen</strong>. Als u deze optie kiest, wordt er gecontroleerd op mogelijk ontbrekende lassen. Dergelijke lassen worden vervolgens toegevoegd en geïmporteerd samen met de rest van de componenten.</p>\n<figure data-asset-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\" data-image-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/e38caf39-0947-4aff-be81-7d3eb57ada99/Screenshot%202020-10-05%20122254.png\" data-asset-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\" data-image-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\" alt=\"Export aanbevolen lassen naar IDEA CONNECTION\"></figure>\n<h3>Controle missende lassen</h3>\n<p>Om <a data-item-id=\"9831da0e-b8f1-415e-9654-03ffa0408086\" href=\"\">instabiliteit </a>van uw verbinding te voorkomen, is het goed om na het overzetten van de verbinding naar IDEA StatiCa te controleren of er ontbrekende lassen in de verbinding zijn. Voor dit doel hebben we nog een handig hulpmiddel toegevoegd om de gebruiker automatisch te helpen niet-gelaste delen van de verbinding te vinden. Deze functie identificeert en somt alle relevante platen en plaatranden op en maakt het mogelijk de ontbrekende lassen toe te voegen.</p>\n<p>U kunt deze functionaliteit openen door met de rechtermuisknop op Bewerkingen te klikken in de boom met entiteiten aan de rechterkant van de scène.</p>\n<figure data-asset-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\" data-image-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/12b10280-2125-44a3-b60e-6031f87a3e03/Missing%20welds.png\" data-asset-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\" data-image-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\" alt=\"Controle missen lassen in IDEA StatiCa Steel\"></figure>\n<h2>Conclusie</h2>\n<p>Het verbindingsontwerp in IDEA StatiCa bevat een geverifieerd CBFEM-model van lassen dat normcontroles, realistische spanningsherverdeling en verbindingsplaten met EE-netten van verschillende dichtheden mogelijk maakt. De geldigheid van de resultaten wordt weergegeven in een reeks voorbeelden voor elke ontwerpnorm. Het eindige-elementenmodel wordt automatisch gegenereerd, wat een groot voordeel is ten opzichte van algemene FEM-programma's. Onlangs zijn er verschillende verbeteringen aangebracht om het importeren van verbindingen vanuit CAD-software te versnellen.</p>\n<p>Lassen zijn een geweldige manier om staalverbindingen te monteren, maar constructeurs hebben een nauwkeurig en snel hulpmiddel nodig voor hun ontwerp en normcontrole. Gebruik daarom IDEA StatiCa in uw projecten.</p>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"a40d217c_3570_0185_50c2_0d49d2bfb7ca\"></object>\n<p>If you want to improve your connection design skills, why not try our <a data-item-id=\"3e6d7716-0c0c-4aa5-b3f1-bbc0bededcbc\" href=\"\">IDEA StatiCa Campus</a> online training?</p>"
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"value": "<h2>Theoretical Background</h2>\n<p>Read the essential information about the weld model in our Theoretical Background. The general part describes the computational model itself:</p>\n<p><a href=\"https://www.ideastatica.com/support-center/general-theoretical-background#Welded_connections_analysis\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Theoretical Background: Welded connections analysis</a></p>\n<figure data-asset-id=\"455c8fb8-27c8-4c3e-ab28-341376c03fa3\" data-image-id=\"455c8fb8-27c8-4c3e-ab28-341376c03fa3\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/a62801a2-1d6a-4743-8627-e232e90e69d9/Structural%20design%20of%20a%20steel%20connection%20-%20Plate%20model%20and%20mesh%20convergence%201200%20x%20630.png\" data-asset-id=\"455c8fb8-27c8-4c3e-ab28-341376c03fa3\" data-image-id=\"455c8fb8-27c8-4c3e-ab28-341376c03fa3\" alt=\"\"></figure>\n<p>Specific parts of the Theoretical Background for each of the supported national standards:</p>\n<ul>\n <li><a data-item-id=\"df238e7d-f2f3-4b2a-beec-3b7e8f11651e\" href=\"\">Code-check of welds (EN)</a></li>\n <li><a data-item-id=\"6a4c43f3-4910-44fa-9a88-a9f70967f647\" href=\"\">Code-check of welds (AISC)</a></li>\n <li><a data-item-id=\"cb00295b-bfcf-4c0f-8743-8532e311ca7b\" href=\"\">Code-check of welds (CISC)</a></li>\n <li><a data-item-id=\"538b8bcb-f287-4259-b4e2-787c9792c367\" href=\"\">Code-check of welds (AS)</a></li>\n <li><a data-item-id=\"5d152fe4-3e0b-4905-b4d2-56dd1e255416\" href=\"\">Code-check of welds (IS)</a></li>\n <li><a data-item-id=\"e301fcc8-cc43-42a4-8480-8a72357cd91f\" href=\"\">Code-check of welds (HKG)</a></li>\n <li><a data-item-id=\"0e848bd9-17f2-4448-83de-33c5b19bbde8\" href=\"\">Code-check of welds (GB)</a></li>\n <li><a data-item-id=\"dad4f217-a192-41c1-bd71-6b540978346e\" href=\"\">Code-check of welds (SP)</a></li>\n</ul>\n<p>You can find a clear demo of how the stress develops during the loading as well as the distribution of the stress along the long welds is discussed in the <a data-item-id=\"1bfd3251-61f8-5fec-b5a4-08d1a6fe5b5f\" href=\"\">How are welds modeled in IDEA StatiCa</a> article.</p>\n<figure data-asset-id=\"8c940183-360c-484a-ab14-dcfdcfbbd29b\" data-image-id=\"8c940183-360c-484a-ab14-dcfdcfbbd29b\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/9e3dc390-df9d-4ee5-a959-7c4cfa9aca3b/welds_distr.png\" data-asset-id=\"8c940183-360c-484a-ab14-dcfdcfbbd29b\" data-image-id=\"8c940183-360c-484a-ab14-dcfdcfbbd29b\" alt=\"lasweetstand van de las berekend in IDEA CONNECTION\"></figure>\n<p>Also, the welds and welded connections are discussed in our blog post articles <a data-item-id=\"de840e15-4e8e-4a27-8715-b8f27e643682\" href=\"\">Welded steel connections – to worry or not to worry?</a> and <a data-item-id=\"3caa8db0-05d2-4ae4-9175-763a14f01252\" href=\"\">Reduce weld costs by enhanced fabrication</a> (where a combination of the load transfer through a weld and contact in compression is discussed).</p>\n<figure data-asset-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\" data-image-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/2a16ecdf-f660-47b6-bb32-9b9aeecf3314/6.png\" data-asset-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\" data-image-id=\"eb79d5c6-d879-4afb-a5c1-5df03982810a\" alt=\"\"></figure>\n<h2>Weld size and length</h2>\n<p>There are different ways how the size of the weld is defined, depending on the region. Read the <a data-item-id=\"8af403c6-c098-56ce-96ee-3daaeaf4639e\" href=\"\">Weld size and length</a> article to find out, how IDEA StatiCa defines the weld size or in case you need to know the exact length of the weld:</p>\n<figure data-asset-id=\"291e03d6-32ca-40af-903f-3620de689301\" data-image-id=\"291e03d6-32ca-40af-903f-3620de689301\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/67cc32f0-0506-4cdf-9637-0bc86dfefa54/Weld%20size.png\" data-asset-id=\"291e03d6-32ca-40af-903f-3620de689301\" data-image-id=\"291e03d6-32ca-40af-903f-3620de689301\" alt=\"\"></figure>\n<h2>Verifications</h2>\n<p>In our Support Center, you can find many verification studies describing the performance of different welded connection models as well as comparisons to laboratory tests.</p>\n<p><a href=\"https://www.ideastatica.com/support-center/search?category=verification_example&q=weld\" data-new-window=\"true\" target=\"_blank\" rel=\"noopener noreferrer\">Verification studies on models with welds</a></p>\n<figure data-asset-id=\"5acc5b19-3a08-4b30-8dca-6793bcfd19a7\" data-image-id=\"5acc5b19-3a08-4b30-8dca-6793bcfd19a7\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/47ea3d3f-dff3-49c7-8e5f-5abab34e343d/04-1-fig7.png\" data-asset-id=\"5acc5b19-3a08-4b30-8dca-6793bcfd19a7\" data-image-id=\"5acc5b19-3a08-4b30-8dca-6793bcfd19a7\" alt=\"\"></figure>\n<h2>Updates in versions</h2>\n<p>The following features are part of our release notes of IDEA StatiCa and may be related to the welds. Read more about the features in the dedicated articles under the links:</p>\n<p><a data-item-id=\"c1adb56e-c715-4213-b637-bc94b8f84def\" href=\"\"><strong>Check of missing welds</strong></a><strong> </strong>(version 20.1)</p>\n<p>We have added another useful tool to automatically help the user to find non-welded parts of the connection: the utility to analyze a connection model for potentially missing welds. </p>\n<figure data-asset-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\" data-image-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/12b10280-2125-44a3-b60e-6031f87a3e03/Missing%20welds.png\" data-asset-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\" data-image-id=\"450a4d6a-d571-4297-a195-63e33fdd30bc\" alt=\"Controle missen lassen in IDEA StatiCa Steel\"></figure>\n<p><a data-item-id=\"d38299a4-0ea1-44c0-bf31-c2b61ad0d63b\" href=\"\"><strong>Import of recommended welds</strong></a> (version 20.1)</p>\n<p>When importing a connection from CAD software, there is now an option to add recommended welds. </p>\n<figure data-asset-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\" data-image-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/e38caf39-0947-4aff-be81-7d3eb57ada99/Screenshot%202020-10-05%20122254.png\" data-asset-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\" data-image-id=\"66cc6cf4-0454-4973-80d1-c036df7af58d\" alt=\"Export aanbevolen lassen naar IDEA CONNECTION\"></figure>\n<p><a data-item-id=\"040fcb75-d544-4d75-bc49-182d150177d7\" href=\"\"><strong>Upgraded model of butt welds</strong></a> (version 20.1)</p>\n<p>The size of butt welds was corrected for edge-to-surface butt welds. </p>\n<figure data-asset-id=\"401d916b-5fa2-4561-9051-9a6544652cea\" data-image-id=\"401d916b-5fa2-4561-9051-9a6544652cea\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/20b7b61e-2508-4f74-9c1e-355619627e82/Butt%20welds%20upgraded%20model.png\" data-asset-id=\"401d916b-5fa2-4561-9051-9a6544652cea\" data-image-id=\"401d916b-5fa2-4561-9051-9a6544652cea\" alt=\"\"></figure>\n<p><a data-item-id=\"6a1966e1-7905-4ced-a002-c8f568072d4c\" href=\"\"><strong>Weld checks specifics as per Eurocode (EN) and Indian Standard (IS)</strong></a><strong> </strong>(version 21.1)</p>\n<p>To comply with the standards and to provide safety of the design, the strength value considered in the code check of welds is newly calculated from the strength value of the parent steel for EN and IS standards and the weld material itself.</p>\n<figure data-asset-id=\"5062c6bd-0e2b-4f50-817b-0540cb5d686d\" data-image-id=\"5062c6bd-0e2b-4f50-817b-0540cb5d686d\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/59c4504e-b3b9-4dc2-8b14-4f121a23e1c3/Welds1.png\" data-asset-id=\"5062c6bd-0e2b-4f50-817b-0540cb5d686d\" data-image-id=\"5062c6bd-0e2b-4f50-817b-0540cb5d686d\" alt=\"\"></figure>\n<p><a data-item-id=\"ddfe7eda-4125-461a-b0f1-90de133d5cc6\" href=\"\"><strong>Combining weld and contact operations</strong></a><strong> </strong>(version 22.1)</p>\n<p>Since version 22.1, the weld and contact operations can be combined.</p>\n<figure data-asset-id=\"e5be481f-5e66-43a8-8573-fdbc4d74a541\" data-image-id=\"e5be481f-5e66-43a8-8573-fdbc4d74a541\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/4dd4d3e4-77f0-4c14-9801-e9183f26cca6/WaC.png\" data-asset-id=\"e5be481f-5e66-43a8-8573-fdbc4d74a541\" data-image-id=\"e5be481f-5e66-43a8-8573-fdbc4d74a541\" alt=\"\"></figure>\n<p><a data-item-id=\"102a323e-f663-4c3a-8a1e-1c95edec23c6\" href=\"\"><strong>Plate and weld clash check</strong></a><strong> (</strong>version 22.1)</p>\n<p>Plates, parts of the model can be positioned in a way that collides with the other plates and members. </p>\n<figure data-asset-id=\"b2f8fc0a-893b-4d9a-8648-092ef3a5e88b\" data-image-id=\"b2f8fc0a-893b-4d9a-8648-092ef3a5e88b\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/d631a548-e7ca-4f84-a3c1-5c0207280cc0/clash3.png\" data-asset-id=\"b2f8fc0a-893b-4d9a-8648-092ef3a5e88b\" data-image-id=\"b2f8fc0a-893b-4d9a-8648-092ef3a5e88b\" alt=\"Plaat en las botsingscontrole\"></figure>\n<p><a data-item-id=\"d0b2eca2-e40d-4ac8-bf4e-d2d0f8e09fbf\" href=\"\"><strong>Check welds of welded sections</strong></a><strong> </strong>(version 23.0)</p>\n<p>IDEA StatiCa can check the longitudinal welds of members with welded cross-sections now.</p>\n<figure data-asset-id=\"388ba76a-be74-4fed-b0bb-9d7000ba1cad\" data-image-id=\"388ba76a-be74-4fed-b0bb-9d7000ba1cad\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/b60903c8-dc26-4604-bc81-96d35d003afb/Welded-sections%200.png\" data-asset-id=\"388ba76a-be74-4fed-b0bb-9d7000ba1cad\" data-image-id=\"388ba76a-be74-4fed-b0bb-9d7000ba1cad\" alt=\"\"></figure>\n<p><a data-item-id=\"b4706514-8348-4710-918e-fd6b6e80c5f5\" href=\"\"><strong>Improved weld check visualization</strong></a> (version 23.0)</p>\n<p>Weld checking using a finite element method differs from traditional design calculations. In traditional calculations, small eccentricities, deformations, torsions, Poisson coefficient, etc. may be neglected.</p>\n<figure data-asset-id=\"8f86157e-4555-4525-aff0-fb388b0d718f\" data-image-id=\"8f86157e-4555-4525-aff0-fb388b0d718f\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/172ca452-c56d-40ca-afc4-9dc406734d70/weldchecktable.png\" data-asset-id=\"8f86157e-4555-4525-aff0-fb388b0d718f\" data-image-id=\"8f86157e-4555-4525-aff0-fb388b0d718f\" alt=\"\"></figure>\n<p><a data-item-id=\"5f4c7d1f-5145-4fa0-a9bf-535808187857\" href=\"\"><strong>Detailing improvements for bolts and welds in Eurocode</strong></a> (version 23.0)</p>\n<p>The Detailing check in IDEA StatiCa Connection is improved. Engineers may have a better overview of the design and code-check of bolts and welds thanks to thorough information and recommendations according to Eurocode provided in Check tables as well as in the Report.</p>\n<figure data-asset-id=\"6dca1495-d3ba-4128-84fc-1b5d279d3440\" data-image-id=\"6dca1495-d3ba-4128-84fc-1b5d279d3440\"><img src=\"https://assets-us-01.kc-usercontent.com:443/28eac049-c8ed-00e2-220c-12142a968dff/9e0a6490-1e33-44fa-ab30-1247a201de0f/Detailing%20improvements_main%20image.png\" data-asset-id=\"6dca1495-d3ba-4128-84fc-1b5d279d3440\" data-image-id=\"6dca1495-d3ba-4128-84fc-1b5d279d3440\" alt=\"\"></figure>\n<h2>Webinars and videos</h2>\n<p>In the past, we have held several webinars on the modeling of welded connections. You can find inspiration in the following recordings:</p>\n<h4>Welds & Bolts in IDEA StatiCa (AISC)</h4>\n<p>The <a data-item-id=\"b8ee28ec-bc18-4a92-8c48-5e922b160899\" href=\"\">webinar session</a> covers the theory behind bolts and welds and how they are modeled in IDEA StatiCa. Also, the operations of these two components will be detailed and some tips. Finally, the interpretation of the results will is explained and the formulas used to check that they meet AISC requirements.</p>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"e822b946_2438_0191_2e5b_cf6a3fe76456\"></object>\n<h4>Understanding the weld results for Eurocode</h4>\n<p>The detailed table with results can be seen in all formulas, even with values. Directional stresses are provided too. The utilization of the weld is eminent. But overall utilization Utc is calculated from the capacity of the whole weld. Check how it’s working.</p>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"f176e8c1_c1dd_0189_f205_64fb04d6e4f5\"></object>\n<h4>Can we find a match in weld stress to my hand calculations?</h4>\n<p>The stress in a weld is calculated in the main directions according to the EC and the results are provided in the results tabs. Though the analysis in IDEA StatiCa Connection is based on CBFEM, in simple cases, the stress can be compared to hand calculations to verify the resulting values.</p>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"afef3dc2_d3ca_0190_30d4_2b8c2bc7fbc2\"></object>\n<h4>Setting fillet welds along with an SHS web and a plate surface</h4>\n<p>Hollow sections and mainly the curved corners of their cross-sections are sometimes tricky to deal with regarding welding etc. See how to properly set a simple fillet weld on both sides of an SHS member, along with its corners that have to be connected to a surface of a plate.</p>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"f339d127_df92_0198_5873_5e7993369c1a\"></object>\n<object type=\"application/kenticocloud\" data-type=\"item\" data-rel=\"component\" data-codename=\"n3703b394_fafc_018b_4ca9_53f36b710e55\"></object>"
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}Overige artikelen
Lees meer over updates voor individuele normen in de volgende links:
- Update van AISC-norm, nieuwe sjablonen voor seismische verbindingen