吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (05): 1253-1257.doi: 10.7964/jdxbgxb201305017

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Calculation of tensile membrane effect of one-way concrete slabs

ZHANG Da-shan1, DONG Yu-li1, WU Ya-ping2   

  1. 1. School of Civil Engineering, Huaqiao University, Quanzhou 362021, China;
    2. No.1 Dept. of Civil Building Design Institute, China CTDI Engineering Corporation, Chongqing 400039, China
  • Received:2012-03-16 Online:2013-09-01 Published:2013-09-01

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Abstract:

A new method, called segment equilibrium method, is proposed based on yield line theory to calculate the limit load-carrying capacity of one-way concrete slabs at large displacement. In this method, the vertical component of steel forces at the hinge-line section, which is considered as the explanation of tensile membrane effect in the one-way slabs, is incorporated into the equilibrium equation of each rigid body divided by the hinge-line. To validate the method, six one-way slab static loading tests with three types of boundary conditions were conducted. The load-deflection curves, ultimate bearing capacity and failure patterns were obtained. The calculation results by the proposed method are in good agreement with the experimental results. So this method is applicable for engineering design.

Key words: civil engineering, tensile membrane effects, segment equilibrium, one-way concrete slabs, large displacements

CLC Number: 

  • TU375

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