津秦客专隧道钻爆法施工技术

Understanding of Drilling and Blasting Method Applied in Passenger Dedicated Line Tunnel

隧道钻爆法施工中不要拘泥于施工图设计给定的施工方案,应根据现场的环境条件、地质条件、断面大小、结构形式、施工工期等因素,灵活选择适宜的施工方法、施工工艺。结合津秦铁路客专隧道施工情况,详细介绍了对钻爆法隧道施工的一些认识。

The core concept of tunnel drilling and blasting method is protecting surrounding rock, outer beauty and inner substance, valuing environment, and dynamic construction. It doesn＇t strictly rest with the designed project, but chooses appropriate construction methods and techniques according to on-site environmental condition, geologic condition, section size, form of framework, time limit of the project. Excavating by step cut method is the most essential and flexible method. construction