1深孔砂卵〔漂〕石地层高喷防渗墙施工作业指导书〔以桐子林水电站导流明渠围堰高喷防渗墙为例〕1、编制的目的和意义1.1、围堰防渗概况桐子林水电站导流明渠围堰防渗轴线长1056.678m，掩盖层最大埋深51.0m，高喷防渗工程量约52022m，防渗面积约45000m²，施工工期2.5个月，最大施工孔深为52.0m，在砂卵砾石、孤石及漂石地层中52m高喷灌浆施工孔深，属国内之最。本围堰防渗工程设计纵向围堰一条〔围〕0-441.104～0+615.574，另增...
东江黄田水电站土建工程编号：GDS2〔2023〕001号高喷防渗墙施工方案广东水电二局股份黄田水电站枢纽土建工程工程经理部2023年11月东江黄田水电站土建工程高喷防渗墙施工方案校核：编写：叶斌第2页共10页目录1.工程概况„„„„„„„„„„„„„„„„„„„„„„22.工程特点与施工技术措施„„„„„„„„„„„„„„„„23.高喷防渗墙施工方法„„„„„„„„„„„„„„„„„„34.施工打算„„„„„„„„„„„„„...
