全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
工程力学  2014 

软土地铁盾构隧道垂向随机振动分析模型

DOI: doi:10.6052/j.issn.1000-4750.2012.12.0972, PP. 117-123

Keywords: 盾构隧道,软土,动刚度,动应变,频响非线性,随机振动

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对我国地铁盾构隧道与长枕埋入式整体道床的常用形式,基于车辆-轨道耦合动力学理论,并通过引入软土动刚度与应变的非线性关系表达式,建立了软土地铁盾构隧道垂向随机振动分析模型,用以研究非线性变化的软土动刚度对地铁盾构隧道随机振动的影响规律.研究结果表明:当软土动刚度随应变频响非线性变化时,盾构隧道随机振动在10Hz以上的中高频段呈下降趋势,与此同时10Hz以下隧道低频振动不降反升,其上升幅度明显高于隧道中高频振动的下降幅度;此外,从地基反力幅频曲线的变化来看,非线性变化的软土动刚度既影响地基反力频域幅值大小,还会导致反力幅值在频域内的重分布,特别是10Hz以下的低频段.

References

[1]  FTA-VA-90-91003-06, Transit noise and vibration impact assessment[S]. USA: Federal Transit Administration, 2006.
[2]  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 Weiming, Nie Han, Ren Min, et al. In-situ experiment and analysis of environmental vibration induced by urban subway transit[J]. Earthquake Engineering and Engineering Vibration, 2006, 26(4): 187―191. (in Chinese)
[3]  Sheng X, Jones C J C, Thompson D J, et al. A theoretical model for ground vibration from trains generated by vertical track irregularities[J]. Journal of Sound and Vibration, 2004, 272: 937―965.
[4]  Xia H, Cao Y M, Degrande G G. Theoretical modeling and characteristic analysis of moving-train induced ground vibration[J]. Journal of Sound and Vibration, 2010, 329: 819―832.
[5]  Lombaert G, Degrande G. Ground-borne vibration due to static and dynamic axle loads of InterCity and high-speed trains[J]. Journal of Sound and Vibration, 2009, 319: 1036―1066.
[6]  Gupta S, Liu W, Degrande G, et al. Prediction of vibrations induced by underground railway traffic in Beijing[J]. Journal of Sound and Vibration, 2008, 310: 608―630.
[7]  Simon Jone, Hugh Hunt. Voids at the tunnel-soil interface for calculation of ground vibration from underground railway[J]. Journal of Sound and Vibration, 2011, 330: 245―270.
[8]  Gupta S, Stanus Y, Lombaert G, Degrande G. Influence of tunnel and soil parameters on vibrations from underground railways[J]. Journal of Sound and Vibration, 2009, 327: 70―91.
[9]  Simon Jone, Hugh Hunt. Predicting surface vibration from underground railways through inhomogeneous soil[J]. Journal of Sound and Vibration, 2012, 331: 2055―2069.
[10]  夏禾, 等. 交通振动环境工程[M]. 北京: 科学出版社, 2010: 58―59. Xia He, et al. Traffic induced environmental vibrations and controls[M]. Beijing: Science Press, 2010: 58―59. (in Chinese)
[11]  Lars Hall. Simulations and analyses of train-induced ground vibrations in finite element models[J]. Soil Dynamics and Earthquake Engineering, 2003, 23: 403―413.
[12]  翟婉明. 车辆-轨道耦合动力学[M]. 第3版. 北京: 科学出版社, 2007: 20―38. Zhai Wanming. Vehicle-track coupling dynamics[M]. 3rd ed. Beijing: Science Press, 2007: 20―38. (in Chinese)
[13]  高志兵, 高玉峰, 谭慧明. 饱和黏性土最大剪切模量的室内和原位试验对比研究[J]. 岩土工程学报, 2010, 32(5): 731―735. Gao Zhibing, Gao Yufeng, Tan Huiming. Lab and in-situ tests on maximum dynamic shear modulus of saturated clay soils[J]. Chinese Journal of Geotechnical Engineering, 2010, 32(5): 731―735. (in Chinese)
[14]  陈伟庆, 孔书祥. 土力学[M]. 北京: 中国铁道出版社, 2002: 25―34. Chen Weiqing, Kong Shuxiang. Soil mechanics[M]. Beijing: China Railway Press, 2002: 25―34. (in Chinese)
[15]  陈国兴. 岩土地震工程学[M]. 北京: 科学出版社, 2007: 164―165. Chen Guoxing. Geotechnical earthquake engineering[M]. Beijing: Science Press, 2007: 164―165. (in Chinese)
[16]  志波由纪夫, 川岛一彦, 大日方尚己, 加纳尚史. 应答变位法にょるツ—ルドトンネルの地震时断面力の算定法[C]. 日本东京: 土木学会的出版委员会, 1989: 385―394. Yukio Shiba, Kazuhiko Kawashima, Naomi Obinata, Takashi Kano. Evaluation procedure for seismic stress developed in shield tunnel based on seismic deformation method[C]. Tokyo in Janpan: Publication Committee of Civil Engineering Society, 1989: 385―394. (in Japanese)
[17]  小泉淳, 村上博智, 石田智朗, 等. 急曲线施工用セタヌトの设计法につぃて[C]. 土木学会论文集, 1992, 6: 111―120. Koizumi Jun, Murakami Hirotomo, Ishida Tomorowo, et al. Study on segment design in sharp curved line construction[C]. Journal of Japan Society of Civil Engineers, 1992, 6: 111―120. (in Japanese)
[18]  廖少明. 圆形隧道纵向剪切传递效应研究[D]. 上海: 同济大学, 2002. Liao Shaoming. Research on the effect of longitudinal shear transfer on circular tunnel lining[D]. Shanghai: Tongji University, 2002. (in Chinese)
[19]  叶飞, 何川, 朱合华, 等. 考虑横向性能的盾构隧道纵向等效刚度分析[J]. 岩土工程学报, 2011, 33(12): 1870―1876. Ye Fei, He Chuan, Zhu Hehua, et al. Longitudinal equivalent rigidity analysis of shield tunnel considering transverse characteristics[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(12): 1870―1876. (in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133