Unified Shear Design Method of Concrete Beams Based on Compression Zone Failure Mechanism

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Title: Unified Shear Design Method of Concrete Beams Based on Compression Zone Failure Mechanism

Author(s): Hong-Gun Park and Kyoung-Kyu Choi

Publication: Concrete International

Volume: 39

Issue: 9

Appears on pages(s): 59-63

Keywords: strength, reinforcement, equation, model

Date: 9/1/2017

Abstract:
Park, H.-G., and Choi, K.-K., Concrete International, V. 39, No. 9, September 2017, pp. The ACI 318-14 Code specifies the use of 14 equations for evaluating one-way shear strength. These detailed equations are inconvenient to use and need to be revised and combined into a unified method. This article presents a shear strength model based on the concrete compression zone failure mechanism. The shear strength of the compression zone is defined by a material failure criterion considering the effect of the compressive normal stress developed by flexural moment.