发明名称 SEGMENT FOR TUNNEL LINING AND ITS ASSEMBLY METHOD
摘要 PROBLEM TO BE SOLVED: To facilitate assembly of a segment for tunnel lining and simultaneously introduce prestress in the peripheral direction and in the tunnel axial direction of a tunnel lining body by using a short PC tension material. SOLUTION: The circumferential direction and the axial direction of a segment are connected to each other by alternately and sequentially introducing tensile force to a PC tension material for each of ring rows by alternately arranging segment rings made of segments for tunnel lining providing four pieces of PC tension material insertion ducts passing through to a side surface in the tunnel axial crossing direction from a side surface in the tunnel axial direction of the segment in a parallel crosses form in the tunnel axial direction.
申请公布号 JP2001207796(A) 申请公布日期 2001.08.03
申请号 JP20000017749 申请日期 2000.01.21
申请人 PS CORP 发明人 FUJIMOTO YASUHIRO;ISHII KOJI
分类号 E21D11/08;E21D11/04;(IPC1-7):E21D11/08 主分类号 E21D11/08
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