Tunnel construction in the Yellow River is the mid part of water transfer project from south to north, which located at upriver of Zhengzhou city. Henan province. It is also the most important. the biggest constructio...Tunnel construction in the Yellow River is the mid part of water transfer project from south to north, which located at upriver of Zhengzhou city. Henan province. It is also the most important. the biggest construction, and has lime limit for the project. Its length reach to 19.8 km.Aimed at complicated stratum, the writer analyzed from two points, one is the relation between type of shield machine and different stratum, the other is the relation of among shield machine and hydraulic pressure and osmosis. And then recommended the methods how to choose soil-water shield machine and how to meet the design demand of this special construction.展开更多
文摘Tunnel construction in the Yellow River is the mid part of water transfer project from south to north, which located at upriver of Zhengzhou city. Henan province. It is also the most important. the biggest construction, and has lime limit for the project. Its length reach to 19.8 km.Aimed at complicated stratum, the writer analyzed from two points, one is the relation between type of shield machine and different stratum, the other is the relation of among shield machine and hydraulic pressure and osmosis. And then recommended the methods how to choose soil-water shield machine and how to meet the design demand of this special construction.
