某既有铁路隧道改扩建施工方法探讨

Discussion on reconstruction and expansion construction method of an existing railway tunnel

介绍了某既有铁路隧道改扩建工程。工程采取弱爆破、强支护、地质超前预报、加强监控量测措施,确保了工程的快速安全施工。

The reconstruction and expansion construction project of an existing railway tunnel was introduced through a practical engineering example. Such measures as weak blasting, strong support, geological prediction and strengthening monitoring and measurement etc. were adopted for the project to ensure quick safe construction of the project.