对地铁车站地下停车场水文地质情况进行了分析，提出了采用放坡+土钉墙、灌注桩+内支撑、双排桩对基坑分段进行支护的方案，并阐述了各环节的施工要点，经工程实践，基坑支护结构安全稳定，达到了基坑支护效果，为类似工程积累了经验。%To the subway station underground parking lot hydrogeology conditions are analyzed,and proposed use of the grading+soil nail wall, bored piles+inner support,double pile segments performed excavation methods,and expounds the construction points of each link. The engi-neering practice,the security and stability of foundation pit supporting structure,achieve the effect of foundation pit supporting,accumulated ex-perience for similar projects.
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