中文字幕Aⅴ人妻一区二区,国产精品亚洲视频,99精品视频在线免费观看,成人午夜福利视频,亚洲第一区se,性色做爰片在线观看ww,制服丝袜中文字幕无码自拍,A片免费观看一区二区三一区

Foundation Pit Engineering is called "deep excavation engineering" (DeepExcavation) abroad, which is more suitable than "foundation pit. Because in order to set up the basement of the building, deep foundation pit needs to be excavated, which is only one type of foundation pit excavation. Deep excavation also includes deep excavation that must be carried out in order to bury various underground facilities. The problem of deep foundation pit engineering appears with the rapid development of urban construction in our country, and it has once caused a technical hotspot and difficulty for people to be confused.

Foundation pit engineering includes row piles, underground continuous walls, cement earth walls, soil nailing walls, reverse earth walls, etc.

Different construction methods should be adopted for different architecture due to different engineering characteristics, geological conditions and hydrological conditions. Reasonable construction can achieve twice the result with half the effort.

Our company is sure to provide customers with the best service by using its exquisite technology and rich experience.