隧道通风竖井及中隔板井壁结构设计及施工技术

Design and Construction Technology of Ventilation Shaft and Middle Partition Shaft Liner Structure in Tunnel Project

隧道通风竖井是近年来为满足特长隧道运营需要而设计的,在井壁结构设计和施工方法方面,尚处于探索阶段,通常按照隧道支护形式进行设计,施工速度处于较低水平。立井短段掘砌混合作业施工技术是煤矿立井施工中普遍采用的成熟工法,已成功应用于国内各类大型矿井井筒施工中。通过对比,并结合工程实例,对隧道通风竖井设计和施工中,如何参照煤矿立井井筒设计和施工经验作了探讨。

In recent years,a ventilation shaft of a tunnel was designed to meet a operation requirement of an ultra long distance tunnel.The design and construction method of the shaft liner structure was in a exploratory stage.Generally the design was conducted according to the support form of the tunnel and the construction speed was in a low level.The construction technology of the short section excavation and lining mixed operation for the shaft was a mature construction method was commonly applied to the coal mine shaft construction and was successfully applied to the mine shaft construction in each type large mine in China.With the comparison and the combination with the engineering cases,a discussion was conducted on how to references to the design and construction experiences of the mine shaft applied to the design and construction of the ventilation shaft in the tunnel.