浅谈聚能爆破+水压爆破在隧道工程中的应用

 毛金沙

(陕西省交通建设集团公司,陕西  西安 710065

  要:通过对陕西省宝坪高速公路秦岭天台山特长隧道爆破施工工艺的改进和总结,采用聚能爆破+水压爆破施工工艺,其爆破后隧道轮廓面平顺规则,有效地控制了隧道超欠挖,达到了光面爆破的效果,降低了施工成本,缩短了施工工期,在隧道爆破开挖的工艺上值得推广。 

关键词:聚能爆破;水压爆破; 工艺流程; 效益

中图分类号:U416               文献标识码:A

Introduction to Shaped Blasting + Water Pressure Blasting Application in Tunnel Engineering

MAO Jin-sha

Shaanxi Province Communication Construction GroupXi'an 710075China

Abstract:  Combined with Shaanxi Province Bao Ping Expressway Qinling Mountains Tiantai Mountain long tunnel excavation construction, through in-depth study of blasting construction technology improvement and summary, the cumulative blasting + hydraulic blasting technology, the blasting tunnel contour surface is very smooth, there is no overbreak, speed up the construction progress, in the process of excavation of broad prospects tunnel.

Keywords:  Shaped charge blasting; water pressure blasting; technological process; benefit