而合理的硬岩巷道中深孔掘进爆破参数则一直是需要研究解决的技术难题。
But appropriate the blasting parameters of medium deep blasting in hard rock tunnel is always a technical problem need to be solved.
在复杂地质条件小断面巷道掘进中实施光面爆破，其爆破参数和施工工艺有一定的特殊性。
When implementing the smooth blasting in small-sectional roadway excavation under complex geologic conditions, the blasting parameters and the implementation technology have a certain particularity.
通过对光面爆破原理和影响因素的分析，结合实践经验，给出了相应的岩石巷道掘进光而爆破主要技术参数的理论计算方法和经验数值。
Calculation method and values of smooth blasting parameters in rock tunnels are presented in this paper after smooth blasting principle and influence factors are analyzed with practice experience.
光面爆破是一种使爆出的新壁面保持平整而不受明显破坏的爆破技术，是岩巷快速掘进工艺的重要环节，它严格影响着巷道的质量和成巷速度。
Smooth blasting is an advanced technique which makes the new wall flat and undamaged and important to the fast excavation in rock tunnel, which affects the quality and driving speed of tunnel.
介绍了该矿传统掘进凿岩爆破方法，详细阐述了该矿硬韧性岩的巷道掘进炮眼布设及装药系数的确定。
The blasting hole arrangement of hard ductility rocks in the roadway excavation is discussed and explosive loading coefficient is determined.
文中通过优化爆破参数，提高了岩巷掘进的爆破效率，最终提高了巷道掘进速度。
By optimizing blasting parameters, the blasting efficiency of mine tunnel excavation is improved. The speed of tunnel excavation is ultimately increased.
岩石巷道；爆破掘进；楔形掏槽；爆破参数；
Rock tunnel; Briving by blasting; Wedge-shaped cutting; Blasting parameters;
岩石巷道；爆破掘进；楔形掏槽；爆破参数；
Rock tunnel; Briving by blasting; Wedge-shaped cutting; Blasting parameters;
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