昆仑山隧道施工技术

Construction Technology of Kunlun Mountain Tunnel

高原、严寒条件下的青藏铁路昆仑山隧道施工 ,在多年冻土隧道施工技术、合理支护结构形式以及人员健康等方面提出了严峻挑战。采用适用高原严寒条件下的施工方案 ,综合利用、保护冻土围岩的隧道施工方法和独特的通风、供暖、供氧和供水等辅助施工作业措施 ,保证了隧道施工的顺利进行。

Kunlun mountain tunnel of Qing Zang Railway lies in the plateau and chilliness area,its construction is a challenge to the builder.This paper describes the construction scheme dealing with the special conditions and the assistant measures such as particular ventilation,heating,providing oxygen and water.