混凝土防渗墙专项施工方案

潼南航电枢纽一期工程钢筋混凝土防渗墙专项施工方案：中国水利水电第四工程局有限公司潼南航电枢纽工程项目部

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一、工程概况

m

m

8m

1m

5m

1m

二、工程施工顺序

2m

6m

L

10mm

3mm

5mm

测量放线土方开挖墙体修整钢筋加工制作 绑扎钢筋边墙及翼缘立模中心线复测混凝土灌注 砼拌制、运输 导墙对撑土方回填

挖槽机就位 一期槽孔建造 造孔泥浆 清孔泥浆下钢筋笼和浇筑导混凝土搅拌运输系统 浇灌混凝土 泥浆回收净化砂石系统 二期槽孔施工 废物渣土排弃

>8

>8

1m

沉渣外运泥浆制作 泥浆沉淀

泥浆储存

槽段施工水下砼浇筑泥浆循环工序流程图

泥浆回收

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