西安地铁明挖车站基坑工程的支护型式选择

On Choice of Foundation Pit Support Types of Open-cut Metro Station of Xi'an Metro

先介绍了收集到的既有西安基坑工程实例。又介绍了地铁明挖车站施工可选择的排桩、地下连续墙、土钉墙、放坡、SMW工法连续墙等支护型式的性能、造价、工期的比较。最后针对西安地铁二号线的不同车站进行了具体分析,得出各自合适的基坑支护型式。

The Xi'an foundation pit project existed was introduced firstly in this paper. And some support types such as row piles, underground continuous wall, soil nailing wall, step-slope and SMW working method continuous wall were compared including their performances, prices and construction periods. Then, different metro stations of Xi'an metro caught different suitable foundation pit support types.