金城江隧道防排水施工技术

Construction Technology of Water Proof and Drainage for Jinchengjiang Tunnel

介绍金城江水隧道洞外设纵横向排水沟、边沟、急流槽、排洪渠、截水沟等防载、引、排设施 ;洞内采用EVA SJ防水板 ,BW -Ⅱ型止水带、盲沟等施工的经验。

The paper introduces the water carrying, diversion and drainage facilities outside the Jinchengjiang Tunnel, e g. the lateral longitudinal drainage channels, side ditches, cut-off groove, flood drainage cannels and cut-of ditches. It also describes the experience gained from the construction of EVA-SJ water proof board, BW-II water stop zone and blind drain.