泥石流塌方复杂地质条件下的斜井特殊支护及其施工技术

Special support and construction technology of inclined shaft under complex geological conditions of mudslide and landslide

介绍了露天胶带斜井在复杂的地质和高海拔施工条件下,针对井巷内出现的泥石流塌方等地质灾害现象,提出对软弱岩层采取注浆、管棚超前支护、二次衬砌支护相结合的特殊支护方式,并应用于巷道支护工程中。结果表明,此种特殊的联合支护技术保障了施工安全的有效进行。

Based on the geological phenomenon of mudslide and landslide under the complex geological and high altitude construction conditions in the open pit inclined shaft,this paper puts forward the special support technologies of grouting,advanced pipe grouting and secondary lining for soft rock mass.The results show that these special support technologies can effectively ensure the construction in safety.