Causes of producing large size fragmental rock in expressway blast were discussed with both of theory analysis and engineering practice. Effective measures to control the fragmental grain were presented.
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葛克水,陈庆寿.高速公路爆破中破碎块度控制的研究[J].钻探工程,2002,(5):58-61.GE Ke shui, CHEN Qing shou. Research on Rock Fragmentation Grain Controlling of the Blast in Expressway[J]. Drilling Engineering, 2002,(5):58-61.