摘要
针对井巷工程穿越砾石层的临时支护方法进行分析,用以确定安全、经济、高效的施工方案。
When passing gravel layer in sinking and driving engineering, temporary supporting was studied to determine a safe, economical, and efficient construction scheme.
出处
《山西煤炭》
2013年第4期65-65,72,共2页
Shanxi Coal
关键词
井巷工程
砾石层
临时支护
U型钢
sinking and driving engineering
gravel layer
temporary supporting
U-shaped steel
