爆破效率 meaning in English
blasting efficiency
Examples
- There are series of excavation shapes experiment and full - field explosion experiment based on the excavation shapes experiment . the pentagon excavation , diamond excavation and spiral excavation are applied in the sandrock tunnel excavation . the analysis of experimental data and the results of experiment proved that the three excavation are apt to use in sandrock tunnel excavation , and the result of explosion is very well and the explosion rate is up to 90 %
对于砂岩巷道进行了五星掏槽、菱形掏槽、螺旋掏槽，通过爆破实验数据和爆破结果分析，得到了在砂岩中采用上述三种掏槽形式爆破效果良好，爆破率相对较高；同时，上述三种掏槽方式及其它技术经济指标，如爆出实体岩石体积等也较好，爆破效率达到90 %以上。 - In the light of the change of the rock mass structure and blasting conditions and the application of new explosives in lanjian iron mines pit , tests were carried out on charges loading structure , blasting hole spacing pattern parameters and blasting methods . the optimized rational blasting parameters greatly improved the blasting efficiency , which led to good economical benefits
针对兰尖铁矿采场岩体结构、爆破条件等的变化及新型炸药的使用，开展了装药结构、爆破孔网参数及爆破方法试验，优化确定了合理的爆破参数，使爆破效率大幅提高，取得了良好的经济效益。