爆破后冲击波在变截面直隧道内的传播
【文章页数】:9 页
【部分图文】:
图3二次衬砲施作已完成区域横断面图??Fig.?3?Cross-section?of?finished?secondary??
图2初期支护施作区域横断面图??Fig.?2?Cross-section?of?the?initial?support?area??of?variable?section?tunnel??丨5?丨?1072?J51_??1244??图3二次衬砲施作已完成区域横断面图??Fig.?....
图4模型整体网格??Fig.?4?The?model?grid??
图2初期支护施作区域横断面图??Fig.?2?Cross-section?of?the?initial?support?area??of?variable?section?tunnel??丨5?丨?1072?J51_??1244??图3二次衬砲施作已完成区域横断面图??Fig.?....
图12与隧遽譚爾:砸撞雜慰屏_1:到7*爾邊??Fig.?12?Intersecting?with?the?7?#?measuring?point?after?collision??
ion??1晉变截面后方2?(纵断面3#测点)、5?m(纵??断面4#测点)处和2号变截面前方5?m(纵断面5#??测点)、2?纵断面6#测点)处均位于截面缩小段,??这几个测点的超压对程曲线变化规律基本一致,在??此仅对2号变截面前方5?m?(纵断面5?#测点)处超??压时程曲....
图5起爆点位置及炸药细部尺寸??Fig.?5?Location?of?initiation?point?and?detailed??
爆破后冲击波在变截面直隨遺;内的传,播??65?%箐石乳化2号炸药6由于爆破时只有部分能??量_于破碎岩石,炸药转化为冲击波的能量时需要??乘以折减系数,根据文献[12? ̄?14],f)5?kg岩石乳化??2#炸药爆破后相当于将16?kg?TNT炸药进行爆??破。起爆点距隧道底部....
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