Evaluation of punching shear capacity of two-way RC slabs without transverse reinforcement according to different provisions

  • Tran Xuan Vinh Faculty of Construction, Vinh University, 182 Le Duan street, Vinh city, Nghe An province, Vietnam
  • Nguyen Trung Hieu Faculty of Building and Industrial Construction, National University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
  • Pham Xuan Dat Faculty of Building and Industrial Construction, National University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
  • Nguyen Manh Hung Faculty of Construction, Vinh University, 182 Le Duan street, Vinh city, Nghe An province, Vietnam
DOI: https://doi.org/10.31814/stce.nuce2021-15(3)-14
Keywords: punching strength capacity, two-way flat slabs, concrete, reinforcement, structural design

Abstract

Currently, RC flat slabs are being used commonly because of their advantages. Punching shear failure is one of the governing failure modes of RC flat slabs without column capital and drop panels. In this paper, the provisions for predicting the punching shear capacity of two-way reinforced concrete (RC) flat slabs without shear reinforcement including ACI 318-19, Eurocode 2 and TCVN 5574:2018 provisions are reviewed by mean of considering the influences of the main parameters (effective depth, compressive strength of concrete, loaded area, reinforcement ratio). A total of 169 test results collected from the literature were used to compare with the provisions. The aim of this study was to evaluate the level of applicability of predicting the punching shear capacity of two-way RC flat slabs according to these provisions. The comparison results indicated that the Eurocode 2 provision provides the most accurate prediction of punching shear capacity of two-way RC flat slabs.

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Published
16-08-2021
How to Cite
Vinh, T. X., Hieu, N. T., Dat, P. X., & Hung, N. M. (2021). Evaluation of punching shear capacity of two-way RC slabs without transverse reinforcement according to different provisions. Journal of Science and Technology in Civil Engineering (STCE) - HUCE, 15(3), 171-184. https://doi.org/10.31814/stce.nuce2021-15(3)-14
Issue
Vol 15 No 3 (2021)
Section
Research Papers

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