Based on the dynamics analytical method of efficiency stress, the reciprocity of saturation soil and its structure in the blasting load is analyzed.
基于有效应力动力分析法，对爆炸荷载作用下饱和土与地下建筑结构相互作用的特性进行了分析。
Introduced the principle, application efficiency and influence factor of orientation fracture blasting technology.
介绍了定向断裂爆破技术的原理，应用效果及其影响因素。
By optimizing blasting parameters, the blasting efficiency of mine tunnel excavation is improved. The speed of tunnel excavation is ultimately increased.
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。
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