Paper Title:
Damage Analysis of Waterproof Layer in Composite Tunnel Lining Based on Theory of Plate with Large Deflection
  Abstract

: In order to analyze the cause of water leakage in highway tunnels, the damage property of waterproof board in composite tunnel lining with concrete matrix defects under hydraulic pressure was studied using Galerkin method for plates with large deflection. The deflection, stress and strain of waterproof boards were calculated in the conditions of rectangular and elliptic boundary due to concrete matrix defects. First strength theory was used to determine the critical load of the board and the critical depth of the defect. Investigation results showed that the maximum principal stress generates in the middle of longer side in the rectangular boundary condition and in the center in the elliptic boundary condition, the failure of the waterproof board under certain hydraulic pressure is related with the dimensions of concrete matrix defects and the dimension of the concrete matrix defect needs to be controlled in the design and construction of waterproof layer for tunnels.

  Info
Periodical
Key Engineering Materials (Volumes 400-402)
Edited by
Jingsi Huo, Yan Xiao, Zongjin Li and Shuaib Ahmad
Pages
245-250
DOI
10.4028/www.scientific.net/KEM.400-402.245
Citation
X. Y. Jin, N. G. Jin, X. L. Gu, "Damage Analysis of Waterproof Layer in Composite Tunnel Lining Based on Theory of Plate with Large Deflection", Key Engineering Materials, Vols. 400-402, pp. 245-250, 2009
Online since
October 2008
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Price
$32.00
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