钻孔灌注桩与土钉墙在复杂地段深基坑支护中的比较

Comparison Between Bored Cast-in-place Pile and Soil Nailing Wall in Support of Deep Foundation Pit in Complex Section

依托银川市地下综合管廊工程,针对管廊深基坑开挖过程中采用不同的基坑支护结构,其中一种为泥浆护壁钻孔灌注桩,另一种为土钉墙,对两种支护形式加以比较,分析其优缺点及支护效果,并结合实际加以应用,对后续施工予以指导。

Different pit support structures are used in the excavation of deep foundation pit of the pipe gallery of Yinchuan underground comprehensive pipe gallery project. One is drilled grouting piles for mud wall protection and the other is soil nailing walls. In this paper, the two support forms are compared, their advantages and disadvantages and support effect are analyzed, and applied in practice to guide the follow-up construction.