全断面爆破是按照巷道断面的设计轮廓线合理布置周边孔、采用合理的装药结构、选用适量的炸药而进行的一种控制爆破。光面爆破的基本出发点是控制爆破的作用范围和方向,尽量减轻对围岩的扰动,使爆破后的巷道围岩现状规整、光滑,符合设计的要求。
隧洞断面宜采用曲线形状; 宜采用控制爆破全断面开挖,减少对围岩的扰动以保持岩体自承能力;
The tunnel section is advised to adopt curved shape and full-face excavation by controlled blasting to reduce disturbance on surrounding rock and maintain its self-supporting capability.
全断面一次起爆技术是实现爆破安全、提高爆破效率的重要途径,介绍了全断面一次起爆技术的应用过程。
Whole section once detonation is an important way to realize blast safety and to improve blast efficiency. This paper introduces the application course of whole section once detonating technique.
全断面钻爆法适用于围岩坚固稳定,采用钻孔爆破方法将洞室开挖断面一次性开挖成型的地下建筑工程洞室开挖掘进方法。
The whole section explosion method which is the one for underground construction digging, suitable for stable and strong dam, form a section for one time by drilling explosion.
应用推荐