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Corrugate Fiber Reinforced Plastic Sheet in Repairing Tunnel Linings 被引量:2
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作者 Takashi Hara 《Journal of Civil Engineering and Architecture》 2015年第6期684-690,共7页
This paper represented the numerical analysis of the FRP (fiber reinforced plastics) tunnel lining which was used for maintaining the old tunnel. An old tunnel covered with a concrete is prone to deteriorate due to ... This paper represented the numerical analysis of the FRP (fiber reinforced plastics) tunnel lining which was used for maintaining the old tunnel. An old tunnel covered with a concrete is prone to deteriorate due to an aging effect and a v^ater penetration. In the rehabilitation of lining concrete, a steel plate and FRP or carbon sheet have been applied. However, these sheets show small flexural rigidity and do not flow out the penetrating water. In this paper, FRP corrugate sheet was proposed. The tunnel lining was made by FRP corrugate sheet that supported the lining concrete in the tunnel and flowed the water and the moisture swept on the tunnel surface. The FRP corrugate sheet was supported by the anchor bolts. In numerical analyses, the finite element degenerate shell was adopted to represent the FRP sheet behavior. Assuming that the concrete liner at the top was fallen down, the peeled concrete was applied as the load. From the numerical analysis, the effectiveness of the FRO corrugate sheet was confirmed. 展开更多
关键词 FRP TUNNEL LINING corrugate sheet FEM REHABILITATION
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