基于10m埋深隧道脉冲试验的地表振动衰减实测与数值模拟拓展研究
|
摘要
在某轨道减振与振动控制地下实验室10m埋深隧道内进行脉冲锤击试验,得到地表振动响应随水平距离的衰减规律,并建立"轨道-隧道-地层"耦合三维有限元数值模型,研究不同隧道埋深地表振动衰减规律。实测和数值模拟结果表明:地表20m区域内振动响应衰减较20m以外迅速;隧道埋深越浅,振源正上方地表振动越大;在地表20m范围内,隧道埋深越浅,地表加速度级衰减越迅速;地表振动加速度峰值包络线呈波浪型衰减,2030m区域为垂向振动加速度第二峰值带;地表振动能量集中在30100Hz频段。
Pulse hammer tests were carried out in the 10 m deep tunnel of the Beijing Jiaotong University Laboratory of Track Vibration Abatement﹠Control.The attenuation laws of ground vibration responses with horizontal distances were obtained.The three dimensional coupled track-tunnel-soil layers finite element models were established to study the attenuation laws of ground vibrations of tunnels of different buried depths.Measured results and numerical simulation indicate as follows: Vibration responses within the 20 m area of the ground attenuate faster than those beyond the 20 m area;the shorter the buried depth of a tunnel,the greater the ground vibrations right above the vibration source;within the 20 m area of the ground,the shorter the buried depth of a tunnel,the faster the attenuation of the ground acceleration levels;the enveloping curves of ground vibration acceleration peaks show undulating attenuation,the 20 m to 30 m area is the second peak area of vertical vibration accelerations;the ground vibration energy concentrates in the 30-100 Hz.
Pulse hammer tests were carried out in the 10 m deep tunnel of the Beijing Jiaotong University Laboratory of Track Vibration Abatement﹠Control.The attenuation laws of ground vibration responses with horizontal distances were obtained.The three dimensional coupled track-tunnel-soil layers finite element models were established to study the attenuation laws of ground vibrations of tunnels of different buried depths.Measured results and numerical simulation indicate as follows: Vibration responses within the 20 m area of the ground attenuate faster than those beyond the 20 m area;the shorter the buried depth of a tunnel,the greater the ground vibrations right above the vibration source;within the 20 m area of the ground,the shorter the buried depth of a tunnel,the faster the attenuation of the ground acceleration levels;the enveloping curves of ground vibration acceleration peaks show undulating attenuation,the 20 m to 30 m area is the second peak area of vertical vibration accelerations;the ground vibration energy concentrates in the 30-100 Hz.
引文
[1]王文斌.基于锤击方法的地层振动传递特性研究及地铁引起的建筑物内振动预测[D].北京:北京交通大学,2011.
[2]栗润德,张鸿儒,刘维宁.地铁引起的地表振动及其对精密仪器的影响[J].岩石力学与工程学报,2008,27(1):206-214.LI Run-de,ZHANG Hong-ru,LIU Wei-ning.Metro-in-duced Ground Vibrations and Their Impacts on PrecisionInstrument[J].Chinese Journal of Rock Mechanics andEngineering,2008,27(1):206-214.
[3]马蒙,刘维宁,丁德云.地铁列车引起的振动对西安钟楼的影响[J].北京交通大学学报:自然科学版,2010,34(4):88-92.MA Meng,LIU Wei-ning,DING De-yun.Influence ofMetro Train-induced Vibration on Xi’an Bell Tower[J].Journal of Beijing Jiaotong University:Nature Science,2010,34(4):88-92.
[4]李克飞,刘维宁,孙晓静,等.北京地铁5号线高架线减振措施现场测试与分析[J].中国铁道科学,2009,30(4):25-29.LI Ke-fei,LIU Wei-ning,SUN Xiao-jing,et al.In-situ Testand Analysis on the Vibration Mitigation Measures of theElevated Line in Beijing Metro Line 5[J].Journal of ChinaRailway Science,2009,30(4):25-29.
[5]KURZWEIL G.Ground Borne Noise and Vibration from Underground Rail Systems[J].Journal of Sound and Vibra-tion,1979,66(3):363-370.
[6]MELKE J.Noise and Vibration from Underground Rail-way Lines:Proposals for a Prediction Procedure[J].Jour-nal of Sound and Vibration,1988,120(2):391-406.
[7]TROCHIDES,A.Ground-borne Vibrations in Buildingsnear Subways[J].Applied Acoustics,1991,32:289-296.
[8]王文斌,刘维宁,贾颖绚,等.更换减振扣件前后地铁运营引起地表振动的研究[J].中国铁道科学,2010,31(1):87-92.WANG Wen-bin,LIU Wei-ning,JIA Ying-xuan,et al.Research on the Vibration of Ground Caused by MetroTrain Operation before and after Changing the DampingFasteners[J].China Railway Science,2010,31(1):87-92.
[9]闫维明,聂晗,任珉,等.地铁交通引起的环境振动的实测与分析[J].地震工程与工程振动,2006,26(4):187-191.YAN Wei-ming,NIE Han,REN Min,et al.In Situ Ex-periment and Analysis of Environmental Vibration Inducedby Urban Subway Transit[J].Earthquake Engineering andEngineering Vibration,2006,26(4):187-191.
[10]丁德云,刘维宁,张宝才,等.特殊浮置板轨道隔振效果的三维数值研究[J].铁道学报,2009,31(6):58-62.Ding De-yun,Liu Wei-ning,Zhang Bao-cai,et al.3-DNumerical Study on Vibration Isolation Performance ofSpecial Floating Slab Track in Lab[J].Journal of the Chi-na Railway Society,2009,31(6):58-62.
[11]贾颖绚,郭猛,刘维宁,等.列车振动荷载对古建筑的动力影响[J].北京交通大学学报:自然科学报,2009,33(1):118-122.Jia Ying-xuan,Guo Meng,Liu Wei-ning,et al.DynamicEffect of Train-induced Vibration on Historic Buildings[J].Journal of Beijing Jiaotong University:Nature Sci-ence,2009,33(1):118-122.
[12]LI Ke-fei,LIU Wei-ning,Ding De-yun,et al.NumericalAnalysis of Low-frequency Ground Vibrations Induced byMetro Operations[C]//Proceeding of the 4th InternationalSymposium on Environmental Vibrations:Prediction,Monitoring,Mitigation and Evaluation.Beijing:BeijingJiaotong University,2009:382-387.
[13]MA Meng,LIU Wei-ning,Ding De-yun,et al.VibrationImpacts on Adjacent Heritage Buildings Induced by MetroTrains[C]//Proceeding of the 4th International Symposium on Environmental Vibrations:Prediction,Monito-ring,Mitigation and Evaluation.Beijing:Beijing JiaotongUniversity,2009:394-399.
[14]丁德云,刘维宁,等.北京地铁4号线北大段减振措施研究——浮置板轨道、梯形轨道实验室振动试验报告[R].北京:北京交通大学,2007.
[15]孙家麒,郭建国,金志春.城市轨道交通振动和噪声控制简明手册[M].北京:中国科学技术出版社,2002.
[16]夏禾.车辆与结构动力相互作用[M].北京:科学出版社,2002:216-254.
[17]刘维宁,夏禾,郭文军.地铁列车振动的环境响应[J].岩石力学与工程学报,1996,16(S1):586-593.LIU Wei-ning,XIA He,GUO Wen-jun.Study of Vibra-tion Effects of Underground Trains on Surrounding Envi-ronment[J].Chinese Journal of Rock Mechanics and En-gineering,1996,16(S1):586-593.
[18]刘晶波,李彬.三维黏弹性静-动力统一人工边界[J].中国科学:E辑技术科学,2005,35(9):966-980.
[19]栗润德.地铁列车引起的地面振动及隔振措施研究[D].北京:北京交通大学,2008.
[2]栗润德,张鸿儒,刘维宁.地铁引起的地表振动及其对精密仪器的影响[J].岩石力学与工程学报,2008,27(1):206-214.LI Run-de,ZHANG Hong-ru,LIU Wei-ning.Metro-in-duced Ground Vibrations and Their Impacts on PrecisionInstrument[J].Chinese Journal of Rock Mechanics andEngineering,2008,27(1):206-214.
[3]马蒙,刘维宁,丁德云.地铁列车引起的振动对西安钟楼的影响[J].北京交通大学学报:自然科学版,2010,34(4):88-92.MA Meng,LIU Wei-ning,DING De-yun.Influence ofMetro Train-induced Vibration on Xi’an Bell Tower[J].Journal of Beijing Jiaotong University:Nature Science,2010,34(4):88-92.
[4]李克飞,刘维宁,孙晓静,等.北京地铁5号线高架线减振措施现场测试与分析[J].中国铁道科学,2009,30(4):25-29.LI Ke-fei,LIU Wei-ning,SUN Xiao-jing,et al.In-situ Testand Analysis on the Vibration Mitigation Measures of theElevated Line in Beijing Metro Line 5[J].Journal of ChinaRailway Science,2009,30(4):25-29.
[5]KURZWEIL G.Ground Borne Noise and Vibration from Underground Rail Systems[J].Journal of Sound and Vibra-tion,1979,66(3):363-370.
[6]MELKE J.Noise and Vibration from Underground Rail-way Lines:Proposals for a Prediction Procedure[J].Jour-nal of Sound and Vibration,1988,120(2):391-406.
[7]TROCHIDES,A.Ground-borne Vibrations in Buildingsnear Subways[J].Applied Acoustics,1991,32:289-296.
[8]王文斌,刘维宁,贾颖绚,等.更换减振扣件前后地铁运营引起地表振动的研究[J].中国铁道科学,2010,31(1):87-92.WANG Wen-bin,LIU Wei-ning,JIA Ying-xuan,et al.Research on the Vibration of Ground Caused by MetroTrain Operation before and after Changing the DampingFasteners[J].China Railway Science,2010,31(1):87-92.
[9]闫维明,聂晗,任珉,等.地铁交通引起的环境振动的实测与分析[J].地震工程与工程振动,2006,26(4):187-191.YAN Wei-ming,NIE Han,REN Min,et al.In Situ Ex-periment and Analysis of Environmental Vibration Inducedby Urban Subway Transit[J].Earthquake Engineering andEngineering Vibration,2006,26(4):187-191.
[10]丁德云,刘维宁,张宝才,等.特殊浮置板轨道隔振效果的三维数值研究[J].铁道学报,2009,31(6):58-62.Ding De-yun,Liu Wei-ning,Zhang Bao-cai,et al.3-DNumerical Study on Vibration Isolation Performance ofSpecial Floating Slab Track in Lab[J].Journal of the Chi-na Railway Society,2009,31(6):58-62.
[11]贾颖绚,郭猛,刘维宁,等.列车振动荷载对古建筑的动力影响[J].北京交通大学学报:自然科学报,2009,33(1):118-122.Jia Ying-xuan,Guo Meng,Liu Wei-ning,et al.DynamicEffect of Train-induced Vibration on Historic Buildings[J].Journal of Beijing Jiaotong University:Nature Sci-ence,2009,33(1):118-122.
[12]LI Ke-fei,LIU Wei-ning,Ding De-yun,et al.NumericalAnalysis of Low-frequency Ground Vibrations Induced byMetro Operations[C]//Proceeding of the 4th InternationalSymposium on Environmental Vibrations:Prediction,Monitoring,Mitigation and Evaluation.Beijing:BeijingJiaotong University,2009:382-387.
[13]MA Meng,LIU Wei-ning,Ding De-yun,et al.VibrationImpacts on Adjacent Heritage Buildings Induced by MetroTrains[C]//Proceeding of the 4th International Symposium on Environmental Vibrations:Prediction,Monito-ring,Mitigation and Evaluation.Beijing:Beijing JiaotongUniversity,2009:394-399.
[14]丁德云,刘维宁,等.北京地铁4号线北大段减振措施研究——浮置板轨道、梯形轨道实验室振动试验报告[R].北京:北京交通大学,2007.
[15]孙家麒,郭建国,金志春.城市轨道交通振动和噪声控制简明手册[M].北京:中国科学技术出版社,2002.
[16]夏禾.车辆与结构动力相互作用[M].北京:科学出版社,2002:216-254.
[17]刘维宁,夏禾,郭文军.地铁列车振动的环境响应[J].岩石力学与工程学报,1996,16(S1):586-593.LIU Wei-ning,XIA He,GUO Wen-jun.Study of Vibra-tion Effects of Underground Trains on Surrounding Envi-ronment[J].Chinese Journal of Rock Mechanics and En-gineering,1996,16(S1):586-593.
[18]刘晶波,李彬.三维黏弹性静-动力统一人工边界[J].中国科学:E辑技术科学,2005,35(9):966-980.
[19]栗润德.地铁列车引起的地面振动及隔振措施研究[D].北京:北京交通大学,2008.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心