高铁运行振动对大坝安全性影响特性研究
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摘要
随着高铁的建设,由高铁列车运行引发的环境振动问题越来越受到重视。采用理论分析与数值模拟相结合的方法,研究了京张铁路张家口段的东灰场坝在高铁运行振动下的影响,对大坝安全进行评价分析,结论表明在适当的距离下,高铁运行振动对坝体动位移、大坝加速度、动孔压和液化区域、永久变形等影响很小,不会对大坝的安全性造成大的影响。
With the large-scale construction of high-speed rail,the attention has been paid to the environmental vibration problem caused by the operation of high-speed railway trains. The Zhangjiakou ash dam is close to Beijing-Zhangjiakou highspeed railway,the effect on dam safety of the long-term intermittent vibration caused by high-speed trains is evaluated by the combination of theoretical analysis and numerical simulation methods. The results show that the high-speed railway operation has little effect on the dynamic displacement of dam,dam acceleration,dynamic pore pressure and liquefaction area,and permanent deformation when the distance between dam and rail is proper,and will not has a great impact on the safety of dam.
With the large-scale construction of high-speed rail,the attention has been paid to the environmental vibration problem caused by the operation of high-speed railway trains. The Zhangjiakou ash dam is close to Beijing-Zhangjiakou highspeed railway,the effect on dam safety of the long-term intermittent vibration caused by high-speed trains is evaluated by the combination of theoretical analysis and numerical simulation methods. The results show that the high-speed railway operation has little effect on the dynamic displacement of dam,dam acceleration,dynamic pore pressure and liquefaction area,and permanent deformation when the distance between dam and rail is proper,and will not has a great impact on the safety of dam.
引文
[1]KRYLOV V V.On the theory of railway-induced ground vibrations[J].Journal of Physique,1994,4(5):769-772.
[2]KRYLOV V V,DAWSON A R,HEELIS M E,et al.Rail movement and ground waves caused by high-speed trains approaching track-soil critical velocities[J].Proceedings of the Institution of Mechanical Engineers Part F Journal of Rail and Rapid Transit,2000,214(2):107-115.
[3]KRYLOV V V.Noise and vibration from high-speed trains[M].London:Thomas Telford Publishing,2001.
[4]TAKEMIYA H.Simulation of track-ground vibrations due to highspeed train;the case of X-2000 at Ledsgard[J].Journal of Sound and Vibration,2003,261(3):503-526.
[5]SHENG X,Jones C J C,Thompson D J.Prediction of ground vibration from trains using the wavenumber finite and boundary element methods[J].Journal of Sound and Vibration,2006,293(3-5):575-586.
[6]SHENG X,JONES C J C,THOMPSON D J,et al.A theoretical model or ground vibration from trains generated by vertical track irregularities[J].Journal of Sound and Vibration,2004,272(3-5):937-965.
[7]CARDONA J,ROMEII J,ARCOS R,et al.A ground-borne vibration assessment model or rail systems Fat-grade[C]∥INTER-NOISE2010,Lisbon,2010:1-10.
[8]翟婉明.列车-轨道稱合动力学[M].第三版.北京:科学出版社,2007.
[9]曹艳梅,夏禾,陈建国.运行列车引起地面振动的理论模型机振动特性分析[J].振动工程学报,2009,2(6):589-596.
[10]谢伟平,胡建武,徐劲.高速移动荷载作用下的轨道-地基系统的动力响应[J].岩石力学与工程学报,2002,21(7):1075-1078.
[11]高广运,何俊锋,李志毅,等.饱和地基上列车运行引起的地面振动特性分析[J].振动工程学报,2010,23(2):179-187.
[12]李志毅,高广运,冯世进,等.高速列车运行引起的地表振动分析[J].同济大学学报:自然科学版,2007(7):909-914.
[13]王常晶,陈云敏.列车荷载在地基中引起的应力响应分析[J].岩石力学与工程学报,2005,24(7):1178-1186.
[14]王常晶,陈云敏.列车引起的地基动应力特性[J].岩土力学,2006(S2):1093-1096.
[15]冯青松,雷晓燕,练松良.高速铁路路基-地基系统振动响应分析[J].铁道科学与工程学报,2010(1):1-6.
[16]曹志刚,蔡袁强,孙宏幕,等.一种髙速列车引起的地基振动解析解[J].工程力学,2011(10):250-256.
[2]KRYLOV V V,DAWSON A R,HEELIS M E,et al.Rail movement and ground waves caused by high-speed trains approaching track-soil critical velocities[J].Proceedings of the Institution of Mechanical Engineers Part F Journal of Rail and Rapid Transit,2000,214(2):107-115.
[3]KRYLOV V V.Noise and vibration from high-speed trains[M].London:Thomas Telford Publishing,2001.
[4]TAKEMIYA H.Simulation of track-ground vibrations due to highspeed train;the case of X-2000 at Ledsgard[J].Journal of Sound and Vibration,2003,261(3):503-526.
[5]SHENG X,Jones C J C,Thompson D J.Prediction of ground vibration from trains using the wavenumber finite and boundary element methods[J].Journal of Sound and Vibration,2006,293(3-5):575-586.
[6]SHENG X,JONES C J C,THOMPSON D J,et al.A theoretical model or ground vibration from trains generated by vertical track irregularities[J].Journal of Sound and Vibration,2004,272(3-5):937-965.
[7]CARDONA J,ROMEII J,ARCOS R,et al.A ground-borne vibration assessment model or rail systems Fat-grade[C]∥INTER-NOISE2010,Lisbon,2010:1-10.
[8]翟婉明.列车-轨道稱合动力学[M].第三版.北京:科学出版社,2007.
[9]曹艳梅,夏禾,陈建国.运行列车引起地面振动的理论模型机振动特性分析[J].振动工程学报,2009,2(6):589-596.
[10]谢伟平,胡建武,徐劲.高速移动荷载作用下的轨道-地基系统的动力响应[J].岩石力学与工程学报,2002,21(7):1075-1078.
[11]高广运,何俊锋,李志毅,等.饱和地基上列车运行引起的地面振动特性分析[J].振动工程学报,2010,23(2):179-187.
[12]李志毅,高广运,冯世进,等.高速列车运行引起的地表振动分析[J].同济大学学报:自然科学版,2007(7):909-914.
[13]王常晶,陈云敏.列车荷载在地基中引起的应力响应分析[J].岩石力学与工程学报,2005,24(7):1178-1186.
[14]王常晶,陈云敏.列车引起的地基动应力特性[J].岩土力学,2006(S2):1093-1096.
[15]冯青松,雷晓燕,练松良.高速铁路路基-地基系统振动响应分析[J].铁道科学与工程学报,2010(1):1-6.
[16]曹志刚,蔡袁强,孙宏幕,等.一种髙速列车引起的地基振动解析解[J].工程力学,2011(10):250-256.