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Reinforcement effect of PCM shotcrete method using FRP grid for tunnel maintenance


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Title: Reinforcement effect of PCM shotcrete method using FRP grid for tunnel maintenance
Authors: Higashi, Yukihiro / Li, Bo / Jiang, Yujing
Issue Date: 2012
Publisher: IEEE
Citation: Renewable Energy Research and Applications (ICRERA), 2012 International Conference on, Article number 6477362; 2012
Abstract: The PCM shotcrete method using FRP grid, with the properties of high strength, low weight, high workability, strong resistance to corrosion, and little influence on the existing structures, has been used in tunnel maintenance to repair the damaged lining of some aged tunnels. However, the construction cases are still few, and the design routine of this method based on quantitative evaluation on the reinforcement effect has not been established. In this study, we estimated the shear bond strength and the shear stiffness of a typical FRP grid by direct shear test. Those parameters were input into the numerical tunnel model to quantitatively estimate the displacement control effect of the FRP-PCM method. The experiment and numerical simulation results show that the FRP-PCM method has good reinforcement effect on tunnel lining.
Keywords: FRP grid / Numerical simulation / Reinforcement method / Tunne lining
URI: http://hdl.handle.net/10069/33818
DOI: 10.1109/ICRERA.2012.6477362
Rights: © 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Type: Conference Paper
Text Version: author
Appears in Collections:Conference Paper

Citable URI : http://hdl.handle.net/10069/33818

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