最后，提出了螺旋切槽松动爆破的方法及优点。
介绍了在复杂条件下，采用松动爆破清理结块矿渣的方法。
The method of loose blasting in treating blocked dross was introduced in the complicated condition.
通过工程实例，介绍了微弱松动爆破的设计方法及安全防护措施。
The design methods and measures of safety protection of weakly loose blasting are introduced with field cases.
现场实践表明，采用底板支承压力区进行深部松动爆破能有效控制回采巷道底鼓，满足生产需要。
Field practice shows that the method of making loose blasting deeply in the area of the mining abutment pressure can control the entry floor heave effectively and meet the need of the production.
正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。
Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.
建立了岩石高边坡分步开挖稳定性反馈分析模型，分析过程中考虑了岩体爆破松动及卸荷的影响。
Taking the influence of blasting loosening and unloading into account, the feedback analysis model of the high rock slope stability is established.
本文简要介绍了深孔松动微差控制爆破技术。
Short delay controlled blasting technology for deep hole loose is presented in this paper.
在公路路堑切槽开挖硐室控制大爆破中，采用较大不耦合比较进行松动控制爆破。
Bigger uncoupling is adopted to realize loose controlled blasting in the excavation of chasm notch blasting.
试验坝采用爆破松动砒砂岩，推土机运料上坝及碾压的施工方法。
The tested dam used the method of demolishing for loosing, materials carried by bulldozers and roller compaction after.
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.
为提高炮采面块煤率 ，提出了松动预裂微差爆破的落煤方案 ，并对布孔参数和爆破参数进行了调整。
To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
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