The diaphragm wall is a stopping soil and water structure which hydraulic excavation retaining uses more. Its construction is the key to the success of deep foundation pit.
地下连续墙是水利工程基坑支护应用较多的挡土、挡水结构，其施工是深基坑支护成功与否的关键。
The optimization design results of the dam base excavation outline and the type and body shape of the arch dam of the Xiakou Hydraulic Project are introduced.
介绍了峡口水利水电枢纽工程技施设计阶段坝基开挖线、拱坝坝型和拱坝体型优化设计成果。
The powerful Xtrata950 hydraulic excavator and T-130 hydraulic drilling machine with the use of mining of escape, the excavation depth more than 20 meters every day.
功率强大的Xtrata950液压挖掘机和T-130液压钻机配合使用挖掘逃生通道，每天的掘进深度超过20米。
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