超前小导管注浆加钢支撑是隧道工程辅助开挖的一种施工工艺，特别适用于地质条件不良的隧道施工。
The pump pouring liquid with the supporting of steel by a small pipe is one of the add craft in tunnel construction and it is fit for tunnel project in bad geology condition.
通过新风积砂隧道采用小导管超前预支护技术成功克服了短隧道的开挖问题。
Whereas the new wind-blown sand tunnel has adopted small duct leading pre-bracing and overcome problem with excavation.
通过新风积砂隧道采用小导管超前预支护技术成功克服了短隧道的开挖问题。
Whereas the new wind-blown sand tunnel has adopted small duct leading pre-bracing and overcome problem with excavation.
应用推荐