干阳沟隧道0号斜井挑顶方案比选和优化

摘要

Taking No. 0 shaft project at Ganyanggou tunnel along railways at middle and south of Shanxi as the example, the paper mainly intro- duces the factual steps, the diffieuhies and main points for the construction control for the three construction schemes of the roof ripping of the cave in the shaft of tunnel with water-rich loess, selects the guiding hole method after some comparison and analysis of many aspects, and a chieves better effect, so it accumulates experience for the ripping construction of similar tunnel in future.%以新建铁路山西中南部铁路通道干阳沟隧道0号斜井工程为例，详细介绍了富水黄土隧道斜井挑顶正洞3套施工方案的具体步骤和施工控制难点、要点，通过多方面对比，最终选定了导洞法施工方案，并在施工中取得了良好效果，为今后类似隧道挑顶施工积累了经验。