Verification project

  • Four concrete members with discontinuities were created and examined against baseline calculations and experimental data.
  • Design checks were performed according to ACI 318-19 and AASHTO LRFD
  • Compatible Stress Field Method (CSFM) results compared with traditional strut and tie methods (STM) as well as the FEA approach (ABAQUS).
  • Verification studies provide a comprehensive understanding of the behavior of reinforced concrete members with discontinuities
  • All results correlate very well with ACI, with minor differences under 10% of the experimental data
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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 columns concrete members

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
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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
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Concrete
Corbel