摘要
介绍格栅支护的原理、施工方法、应用优势及改进建议。
The principle, construction technique and applied advantages of grillage supporting used for excavating low-grade surrounding rock of hydraulic tunnel are described, in addition, the improvement about it is proposed.
出处
《湖北水力发电》
2007年第2期20-22,共3页
Hubei Water Power
关键词
水工隧洞
不良围岩
支护
格栅拱架
hydraulic tunnel
low-grade surrounding rock
supporting
grillage
