Reinforced Concrete Members with Discontinuities
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
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
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.
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
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
Research authors
All authors of the verification study are part of the research team at The Ohio State University.
Md. Ferdous Wahid is a Ph.D. candidate and Graduate Research Associate in the Department of Civil, Environmental & Geodetic Engineering at The Ohio State University. His research focuses on performance-based design, structural dynamics, and concrete materials.
Ali Nassiri, Ph.D., is a Research Assistant Professor at The Ohio State’s Department of Integrated Systems Engineering. He specializes in advanced manufacturing, high‑velocity impact joining, forming processes, finite‑element and multiphysics simulations, damage/failure analysis.
Halil Sezen is a structural engineering professor at The Ohio State University since 2002, holding a PhD from UC Berkeley and MS from Cornell. A P.E. in Ohio, his research focuses on structural performance under extreme loads. He’s a Fulbright Scholar and ASCE/ACI Fellow.
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