罗盘基高速公路隧道，采用一字形龟裂掏槽方案，均取得了较好的工程效果，实现了全断面一次光面爆破开挖成型。
Luopanji highway tunnel, adopt one shape full of cracks cutting scheme, make better project result, realize the whole section first plain noodles blow up and excavate shaping.
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.
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.
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