人妻中字,校园春色|日韩一区在线高清|青青草中文字幕在线|日韩h片在线观看|国内91超超碰偷拍|青青艹成人在线视频|日韩无码av一区,二区|黑色丝袜噜噜噜国产日韩经典视频|成年人久久亚洲色图|国产日韩久久久无码

Relocation Project of Xitucheng Road Sewage Pipeline at Jimenqiao Station of Beijing Metro Line 12

Projects > Relocation Project of Xitucheng Road Sewage Pipeline at Jimenqiao Station of Beijing Metro Line 12

Relocation Project of Xitucheng Road Sewage Pipeline at Jimenqiao Station of Beijing Metro Line 12

Project Overview

In order to cooperate with the construction of the subway station, the pipeline needs to be permanently relocated to the east side of the current sewage. The 1.6×1.6 single hole digging is 500m in length and the cost is about 10 million yuan.


Initial lining construction


Leading catheter


Earth excavation

Steel arch, mesh
Shotcrete

Waterproof construction


waterproof

waterproof

Secondary lining construction


template


Second lining concrete


Rebar

Rebar