The reasonable hole pattern of deephole blasting was utilized to make fully use of the explosive energy to improve the crushed ratio to lower the boulder yield and to obtain better dam rocks.
深孔爆破采用合理的布孔方式，使炸药爆炸能量得以充分发挥，破碎率提高，大块度降低，从而获得较理想的堆石坝石料。
In addition, the blasting vibration monitoring was discussed and the economical benefits produced after using the field mixed explosive and optimizing blasting parameters were calculated.
此外，还论述了爆破震动监测，以及使用车制炸药和优化爆破参数后所产生的经济效益。
The set blast parameter, counting explosive charge as well as protective site plan have offered reference data for engineering blasting in similar conditions.
设定爆破参数，计算装药量及防护平面布置，为同类地质条件下的控制爆破开挖提供参考数据。
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