burn cut直眼掏槽
1.Application of burn cut to tunnel soft rock construction and blasting parameters optimization;直眼掏槽在隧洞软岩施工中的应用及爆破参数优化
2.Through research on tunnel-based triangle burn cut by in-situ test,it is assumed in this paper that the process o f cavity formation by explosive contains two successive stages,rock being broken and being thrown out.通过对三角柱直眼掏槽爆破进行试验研究 ,认为爆破槽腔的形成过程可分成两个阶段 ,即岩石破坏阶段和破碎岩石抛出阶段 ;进而 ,依照岩石压缩破坏与剪切破坏的力学准则 ,导出三角柱直眼掏槽炮眼间距与装药系数的计算式 ;根据计算结果 ,在井下巷道工程实际应用中进行对比 ,证实了它的可靠性。
3)Parallelled burn cut way准直眼掏槽
4)rhomdus cut直眼菱形掏槽
5)stage parallelhole cut分段直眼掏槽
1.The effects of theoretical analysis and model experiment shows that stage parallelhole cut may increase cut blasting volume and depth and improve fragmentsize.理论分析和模型试验表明，孔内分段直眼掏槽可提高掏槽爆破效率，改善岩石破碎效果。
6)burn sublevel cut直眼分段掏槽
1.In this paper,the methods of calculating vertical shaft burn sublevel cutting blasting parameters are given up according to the analysis of its blasting mechanism ,which is proved effective in practic对立井深孔直眼分段掏槽糕爆破机理进行了分析探讨,并建立了其爆破参数的计算方法,经实践证明效果良好。
延伸阅读
直眉睖眼1.见"直眉楞眼"。
