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隧道掘进爆破引起地表震动的数值模拟与现场监测分析

, PP. 87-91

Keywords: 隧道工程,掘进爆破,数值模拟,地表震动,现场监测,震动速度

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Abstract:

?在建立隧道掘进爆破的震动模型的基础上,采用有限元方法对人和场隧道掘进爆破引起的地表震动进行数值模拟,并将数值计算结果与现场监测结果进行比较分析。结果表明:采用数值计算方法获得的震动速度时程曲线形式比现场震动速度监测波形简单得多,两者明显不同;但通过数值计算所获得的地表震动速度峰值的变化规律及特征与现场监测结果基本一致,而且地表震动速度峰值计算结果与实测结果之间吻合较好,可见采用数值模拟方法来分析地表震动速度在工程应用上是可行的。

References

[1]  龙 源, 冯长根, 徐全军, 等.爆破地震波在岩石介质中传播特性与数值计算研究[J].工程爆破, 2000, 6(3):1-7.
[2]  夏 祥, 李俊如, 李海波, 等.爆破荷载作用下岩体震动特征的数值模拟[J].岩土力学, 2005, 26(1):50-56.
[3]  杨伟林, 杨柏坡.爆破地震动效应的数值模拟分析[J].地震工程与工程震动, 2005, 25(1):8-13.
[4]  陶颂林.凿岩爆破[M].北京:冶金工业出版社, 1986:121-122.
[5]  刘 慧.近距侧爆情况下马蹄形隧道动态响应特点的研究[J].爆破与冲击, 2000, 20(2):175-181.
[6]  杨年华, 刘 慧.近距离爆破引起的隧道周边震动场[J].工程爆破, 2000, 6(2):6-11.
[7]  孙 钧, 侯学渊.地下结构[M].北京:科学出版社, 1991:696-697.
[8]  阳生权.小线间距施工隧道爆破地震影响下既有隧道围岩线形动力分析[J].工程爆破, 1998, 4(1):1-6.
[9]  吴 波, 高 波, 索晓明, 等.城市地铁小间距隧道施工性态的力学模拟与分析[J].中国公路学报, 2005, 18(3):84-89.
[10]  易长平, 卢文波, 舒大强, 等.爆破震动对新浇混凝土灌注桩影响的数值模拟[J].爆破, 2001, 18(1):30-35.
[11]  刘 忠, 沈蒲生, 陈 铖.惯性荷载和地震荷载作用下单桩横向非线性动力响应简化分析[J].中国公路学报, 2005, 18(3):66-69.
[12]  李玉民, 倪芝芳.地下工程开挖爆破的地面震动特征[J].岩石力学与工程学报, 1997, 16(3):274-278.
[13]  LONG Yuan, FENG Chang-gen, XU Quan-jun, et al.Study on Propagation Characteristics of Blasting Seismic Waves in Rock Medium and Numerical Calculation [J].Engineering Blasting, 2000, 6(3):1-7.
[14]  XIA Xiang, LI Jun-ru, LI Hai-bo, et al.UDEC Modeling of Vibration Characteristics of Jointed Rock Mass Under Explosion[J].Rock and Soil Mechanics, 2005, 26(1):50-56.
[15]  YANG Wei-lin, YANG Bai-po.Numerical Simulation of Explosion Seismic Effect[J].Earthquake Engineering and Engineering Vibration, 2005, 25(1):8-13.
[16]  TAO Song-lin.Rock Blasting[M].Beijing:Metallurgical Industry Press, 1986:121-122.
[17]  LIU Hui.Study on the Dynamic Response of Hoof-shaped Tunnel Resulting from Blasting in Side with Small Distance[J].Explosion and Shock Waves, 2000, 20(2):175-181.
[18]  YANG Nian-hua, LIU Hui.Vibration Field at Tunnel Contour Induced by a Close-in Blasting [J].Engineering Blasting, 2000, 6(2):6-11.
[19]  SUN Jun, HOU Xue-yuan.Underground Structure[M].Beijing:Science Press, 1991:696-697.
[20]  YANG Sheng-quan.Linear Dynamic Analysis on Rock-media of Old Tunnel Affected by Blasting Vibration of New Tunnel with Small Line-clearance[J].Engineering Blasting, 1998, 4(1):1-6.
[21]  WU Bo, GAO Bo, SUO Xiao-ming, et al.Mechanical Simulation and Analysis of Construction Behavior of Urban Metro Tunnelling with Small Interval[J].China Journal of Highway and Transport, 2005, 18(3):84-89.
[22]  YI Chang-ping, LU Wen-bo, SHU Da-qiang, et al.Numerical Simulation of Blasting Vibration's Effect on Fresh Concrete Filling Pile[J].Blasting, 2001, 18(1):30-35.
[23]  LIU Zhong, SHEN Pu-sheng, CHEN Cheng.Simplified Analysis for Lateral Nonlinear Dynamic Response of Single Pile Under Inertial and Seismic Loads[J].China Journal of Highway and Transport, 2005, 18(3):66-69.
[24]  LI Yu-min, NI Zhi-fang.The Characteristics on Surface Vibration of Blasting in Underground Engineering[J].Chinese Journal of Rock Mechanics and Engineering, 1997, 16(3):274-278.

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