Verification project

  • Sono state create quattro membrature in calcestruzzo con discontinuità ed esaminate rispetto ai calcoli di base e ai dati sperimentali.
  • Le verifiche di progetto sono state eseguite secondo le norme ACI 318-19 e AASHTO LRFD.
  • I risultati del Compatible Stress Field Method (CSFM) sono stati confrontati con i metodi tradizionali a puntoni e tiranti (STM) e con l'approccio FEA (ABAQUS).
  • Gli studi di verifica forniscono una comprensione completa del comportamento delle membrature in calcestruzzo armato con discontinuità.
  • Tutti i risultati sono molto ben correlati con l'ACI, con differenze minime inferiori al 10% dei dati sperimentali.
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Concrete
Verification project

Deep Beam

  • 5 reinforced concrete deep beam specimens investigated
  • Comparing the strength and deformation capacities resulting from CSFM with strut and tie methods (STM) defined by ACI 318-05 and ACI 318-19
  • Load deflection, principal stress distribution and crack patterns examined against ABAQUS
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Concrete
Deep Beam

Walking Column

  • Investigating 4 specimens of a walking column
  • Assessment of CSFM vertical load capacities compared with design capacities from the STM
  • Load-bearing capacity, principal stress distribution, and crack patterns were determined and compared using the CSFM and ACI 318-19 design procedures. 
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Concrete
Walking Column

Shear Walls with Openings

  • 4 specimens of shear walls with openings were examined
  • Evaluating load capacity and drift angle compared to experimental data
  • Calculate design capacities with the Strut and Tie model
  • Comparative analysis with ABAQUS on principal stress distribution, drift angle and crack patterns
Read the verification study for Shear Wall
Concrete
Shear Walls with Openings

Corbel

  • 7 reinforced concrete corbel specimens investigated
  • Comparing CSFM with design capacities using the ACI-318-19 and AASHTO LRFD
  • Testing deflection, principal stress distribution, and crack patterns against ABAQUS models
  • Exploring the influence of secondary reinforcement on corbel capacities
Read the verification study for Corbel
Concrete
Corbel

Research authors

All authors of the verification study are part of the research team at The Ohio State University. 

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