爆破后沖擊波在變截面直隧道內(nèi)的傳播
【文章頁數(shù)】:9 頁
【部分圖文】:
圖3二次襯砲施作已完成區(qū)域橫斷面圖??Fig.?3?Cross-section?of?finished?secondary??
圖2初期支護(hù)施作區(qū)域橫斷面圖??Fig.?2?Cross-section?of?the?initial?support?area??of?variable?section?tunnel??丨5?丨?1072?J51_??1244??圖3二次襯砲施作已完成區(qū)域橫斷面圖??Fig.?....
圖4模型整體網(wǎng)格??Fig.?4?The?model?grid??
圖2初期支護(hù)施作區(qū)域橫斷面圖??Fig.?2?Cross-section?of?the?initial?support?area??of?variable?section?tunnel??丨5?丨?1072?J51_??1244??圖3二次襯砲施作已完成區(qū)域橫斷面圖??Fig.?....
圖12與隧遽譚爾:砸撞雜慰屏_1:到7*爾邊??Fig.?12?Intersecting?with?the?7?#?measuring?point?after?collision??
ion??1晉變截面后方2?(縱斷面3#測點(diǎn))、5?m(縱??斷面4#測點(diǎn))處和2號變截面前方5?m(縱斷面5#??測點(diǎn))、2?縱斷面6#測點(diǎn))處均位于截面縮小段,??這幾個(gè)測點(diǎn)的超壓對程曲線變化規(guī)律基本一致,在??此僅對2號變截面前方5?m?(縱斷面5?#測點(diǎn))處超??壓時(shí)程曲....
圖5起爆點(diǎn)位置及炸藥細(xì)部尺寸??Fig.?5?Location?of?initiation?point?and?detailed??
爆破后沖擊波在變截面直隨遺;內(nèi)的傳,播??65?%箐石乳化2號炸藥6由于爆破時(shí)只有部分能??量_于破碎巖石,炸藥轉(zhuǎn)化為沖擊波的能量時(shí)需要??乘以折減系數(shù),根據(jù)文獻(xiàn)[12? ̄?14],f)5?kg巖石乳化??2#炸藥爆破后相當(dāng)于將16?kg?TNT炸藥進(jìn)行爆??破。起爆點(diǎn)距隧道底部....
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