岩巷爆破掘进的炮孔利用率取决于掏槽爆破效果，研究掏槽方式与掏槽爆破参数对提高掏槽效率具有重要意义。对目前国内外岩巷掘进掏槽爆破的研究现状进行了综述，归纳了岩巷掏槽爆破的理论与试验研究状况及掏槽技术的工程应用情况。主要内容包括：①归纳了斜孔掏槽技术研究现状；②从空孔效应、抛掷过程、爆破参数与掏槽机理4个方面总结了垂直孔掏槽技术研究现状；③介绍了一种新的掏槽技术-准直孔掏槽技术及其研究进展。此外，还就今后岩巷掘进掏槽爆破研究的展望阐述了一点认识，为岩巷掏槽爆破研究提供参考。%The utilization ratio of blastholes depends on the effect of cutting blast in rock drivage by method of drilling and blasting .Studies on cutting patterns and cutting blast parameters are of significance to improve cutting blast efficiency .The research status on theory and technique of cutting blast in rock drivage are reviewed .Present situations of theoretical and experimental studies on cutting blast are concluded . Engineering applications of cutting technique are summarized .The main contents are listed as follows:①Researche status of inclined-hole cutting technique are generalized .② Researches on parallel cutting technique in terms of empty hole effect ,casting process ,blasting parameter and cutting mechanism are summarized .③A new cutting technique named quasi-parallel cutting technique and its research actuality are introduced .Furthermore ,some understandings to cutting blast for researching expectation are presented .It will provide a reference for the research on cutting blast .
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