膨胀性围岩隧道施工工艺及方法

摘要

本文主要针对大窑沟2号隧道穿越膨胀性围岩施工，对施工工艺及方法进行总结，探讨膨胀性围岩隧道施工应注意的关键环节和采取的措施，为今后类似工程施工提供一些依据。%Aiming at the construction through swelling surrounding rock in Dayaogou 2# tunnel, the arti-cle sums up construction technology and method, and discusses key links needing attention in construction and the measures taken, which provides a reference for similar project construction.