Up to now grouting parameters for the porous surrounding rocks, depended on the penetrating coefficient for shallow surface soil, is unfit for the deep surface soil grouting.
目前孔隙性围岩注浆参数大多是根据浅表土的渗透系数确定的,这不适合深层土注浆。
This paper introduces the application of the backfill grouting technique to block up the branch tunnel, the corresponding technology, technique request and result evaluation are given.
文章介绍了回填灌浆技术在支洞封堵中的应用,支洞回填灌浆的施工工艺、技术要求以及效果评价。
The examples that put forward grouting technique to disposal mined-up region as the expressway across were mainly emp.