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。
2
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。
3
The examples that put forward grouting technique to disposal mined-up region as the expressway across were mainly emp.