发明名称 A tunnel waterproofing method
摘要 To provide a waterproofing construction method with which excellent waterproofing capacity can be assured. A tunnel waterproofing method characterized in that a primary spray cement concrete is sprayed on the excavation surface of the tunnel, after which a waterproofing sheet having adhesiveness with a secondary coating cement concrete is installed on said primary spray cement concrete surface and a secondary coating cement concrete is established on said waterproofing sheet surface. A buffer-water conducting layer may also be established on said primary spray cement concrete surface and a multilayer waterproofing sheet having adhesiveness with the applied cement concete may also be installed as a waterproofing sheet.
申请公布号 AU2001268196(B2) 申请公布日期 2005.11.03
申请号 AU20010268196 申请日期 2001.06.05
申请人 W.R. GRACE & CO. CONN. 发明人 SACHIO SHIMIZU;KEIICHI KOSUGE
分类号 E21D11/10;E21D11/38;(IPC1-7):E21D011/00 主分类号 E21D11/10
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