论隧道通风竖井扩挖钻爆参数设计与优化——以广梧高速公路石牙山隧道为例

The Design and Optimization of the Drilling and Blasting Parameter of Tunnel Air Shaft Expanded Excavation——With the Example of Guangwu Highway Shiya Mountain Tunnel

文章根据石牙山隧道通风竖井工程特点和施工方法要求,对扩挖钻爆参数进行设计、试验、优化,提出了适用于该工程扩挖钻爆的参数,供类似工程施工参考。

Based on the characters of the project of Shiya mountain tunnel air shaft and its construction methods,the paper designs,test,and optimizes the drilling and blasting parameter of this project that can be applied in this project＇s expanded excavation,for the reference of the similar projects.