【摘要】 结合煤矿现场实例,阐述了巷道掘进爆破方案和参数的优化设计,分析了施工技术要求和技术措施,指出进行优化设计可以提高掘进单进和工效,较好地解决井下快速掘进的难题,收到明显效果。更多还原

【Abstract】 The drilling and blasting method is still the main means of underground tunnel excavation.Combining with coal mine field cases,the paper elaborates the tunneling blasting scheme and optimization design parameters,analyzes the construction technology and technical measures,points out that optimization design can improve the rate of roadway drivage and efficiency.This optimization design can provide solution to quick underground drivage and promises obvious effect.更多还原