深基坑土钉综合法支护在受煤坑工程中的应用

Application of deep basic pit soil nail integrated method maintenance in coal pit project

结合某配煤厂全地下式受煤坑深基坑施工实践,对其工程水文地质条件进行了分析,介绍了基坑支护方案的选择与土钉墙支护设计方案,并对支护工程的施工工艺作了阐述,经实践证明,施工效果良好、效益显著。

Combined with constructive practice of underground coal pit deep basic pit in a coal factory,it analyzes its conditions of project、hydrology & geology,introduces selection of basic pit maintenance plans & design plan of soil nail wall maintenance,and illustrates constructive technology of maintenance project.It is proven that construction has good effects & obvious effectivity.