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Shear Strength Evaluation of Precast Concrete Beam-Column Joints Considering Key Influencing Parameters

Author

Listed:
  • Dongho Kim

    (Department of Architecture and Architectural Engineering, Hankyong National University, Jungang-ro 327, Anseong 17579, Gyeonggi, Republic of Korea)

  • Hyunjin Ju

    (School of Architecture and Architectural Engineering, Hankyong National University, Jungang-ro 327, Anseong 17579, Gyeonggi, Republic of Korea)

Abstract

This study evaluates the shear strength of precast concrete beam–column joints using a Combined Model based on the ACI code, with implications for sustainable structural design. A database of 87 specimens from the existing literature was compiled and classified by prestressing condition and failure mode to examine key variables affecting prediction accuracy. The model demonstrated high reliability, with average predicted-to-test shear strength ratios ( V test / V cal ) of 1.12 for non-prestressed joints and 0.99 for prestressed joints, supporting more efficient and reliable use of precast systems. By identifying cross-sectional geometry as the dominant factor governing shear strength and failure mode, the study highlights opportunities to optimize material use, enhance structural safety, and reduce overdesign, thereby contributing to resource-efficient and sustainable construction practices.

Suggested Citation

  • Dongho Kim & Hyunjin Ju, 2026. "Shear Strength Evaluation of Precast Concrete Beam-Column Joints Considering Key Influencing Parameters," Sustainability, MDPI, vol. 18(1), pages 1-20, January.
    • Handle: RePEc:gam:jsusta:v:18:y:2026:i:1:p:468-:d:1832067
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