Combining the soil nailing support engineering example in some commercial mansion,the paper analyzes some problems in the application of the soil nailing support technique in the collapsible loess foundation pits in Yan＇an,and mainly introduces the construction points for the support technique,so it provides certain reference for the program of the region projects in future.%结合某商业大厦采用土钉支护的工程实例,从设计和施工入手,分析了土钉支护技术在延安地区湿陷性黄土基坑中应用的一些问题,并着重介绍了该支护技术的施工要点,对于该地区这类项目在以后工程中的应用有一定的借鉴作用。
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