黄土隧道斜井交叉口挑顶施工方法

On ripping construction method of crossing in inclined shaft of loess tunnel

以包西铁路通道大保当至张桥段庆兴隧道4号斜井进入正洞的交叉口施工为实际,根据本项目的地质条件(黄土地质),阐述了黄土地质条件下交叉口处的挑顶施工方法、工艺等,为以后类似工程施工积累了宝贵经验。

Taking the crossing construction of the direct entrance of No. 4 inclined shaft of Qingxing tunnel along Dabaodang to Zhangqiao section along Baotou to Xi＇ an railway as the fact, the paper according to the geological condition for the project, illustrates the ripping construction method and its craft for the crossing under the loess geological condition, so as to accumulate precious experience for similar projects.