西安地铁三号线隧道斜交穿越地裂缝带的设防参数研究
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摘要
根据对地裂缝活动的监测数据资料,分析了西安地铁三号线沿线地裂缝活动特征。基于各条地裂缝与地铁三号线斜交的夹角θ、地裂缝倾角β以及各条地裂缝最大垂直位错量H,计算确定了地铁三号线穿越各条地裂缝地段的结构设计预留位移量,包括最大水平位移和最大轴向位移。同时,通过地裂缝影响带宽度和隧道与地裂缝的夹角θ,获取了地铁隧道穿越地裂缝带的结构纵向设防长度。研究结果可为西安地铁三号线及未来其他线路的隧道穿越地裂缝带的结构设计提供参考。
Asing monitoring data,the characteristics of ground fissures intersecting the Xi'an Metro line 3 were analyzed. Based on the maximum vertical dislocation and the dip angle of the ground fissure,as well as the intersecting angle between the ground fissure and the metro line,the predicted and suggested anti-crack design and reserved displacements(including the maximum horizontal,transverse,and axial displacements) were calculated.Meanwhile, the longitudinal structural treatment length of the metro tunnel that passes through the active ground fissure zone was determined with the breadth of the influential zone of the active ground fissure and the intersecting angles between the metro tunnel and active ground fissures.
Asing monitoring data,the characteristics of ground fissures intersecting the Xi'an Metro line 3 were analyzed. Based on the maximum vertical dislocation and the dip angle of the ground fissure,as well as the intersecting angle between the ground fissure and the metro line,the predicted and suggested anti-crack design and reserved displacements(including the maximum horizontal,transverse,and axial displacements) were calculated.Meanwhile, the longitudinal structural treatment length of the metro tunnel that passes through the active ground fissure zone was determined with the breadth of the influential zone of the active ground fissure and the intersecting angles between the metro tunnel and active ground fissures.
引文
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[5]陕西省建设厅.DBJ61-6-2006,J10821-2006西安地裂缝场地勘察与工程设计规程[S].西安,2006 The Construction Bureau of Shaanxi Province.DB J61-6-2006,J10821—2006 Specifications for Site Investigation and Engineering Design on Xi'an Ground Fractures[S].Xi'an,2006
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[8]黄强兵,彭建兵,高虎艳,王海祥.地铁隧道斜交穿越地裂缝带的纵向设防长度[J].铁道学报,2010,32(1):73-78 Huang Qiangbing,Peng Jianbing,Gao Huyan,Wang Haixiang,et al.The Longitudinal Fortified Length of Metro Tunnel Obliquely Crossing the Active Ground Fissure Zones[J].Journal of the China Railway Society,2010,32(1):73-78
[9]黄强兵,彭建兵,邓亚虹,范文.西安地铁2号线穿越地裂缝带的设防参数[J].岩土力学,2010,31(9):2882-2888 Huang Qiangbing,Peng Jianbing,Deng Yahong,Fan Wen.Design Parameters of Xi'an Metro Line 2 Tunnel Passing through Active Ground Fissure Zones[J].Rock and Soil Mechanics,2010,31(9):2882-2888
[10]彭建兵,黄强兵,等.地铁隧道近距离平行和小角度穿越活动地裂缝带的性状及防治措施研究[R].西安:长安大学,2010 Peng Jianbing,Huang Qiangbing,et al.Study on Behaviors of Metro Tunnel Traversing Ground Fissures with Small-angle or in Closely-spaced Parallel and Its Control Measures[R].Xi'an:Chang'an University,2010
[11]中华人民共和国国家标准.GB50157-2003地铁设计规范[S].北京:中国计划出版社,2003 Nati onal Standards of the People?s Republic of China.Gb50157—2003 Code for Design of Metro[S].Beijing:China Planning Press, 2003
[2]张家明.西安地裂缝研究[M].西安:西北大学出版社,1990 Zhang Jiaming.Research on Xi ' an Ground Fissures[M].Xi'an:Northwestern University Press,1990
[3]李永善,等.两安地裂及渭河盆地活动断层研究[M].北京:地震出版社,1992 Li Yongshan,et al.Research on Ground fissures in Xi'an Region and Active Faults in Weihe Basin |M].Beijing:Scismological Press, 1992
[4]黄强兵,彭建兵,范文,等.西安地铁二号线沿线地裂缝未来位错量估算及工程分级[J].工程地质学报,2007,1 5(4):469-474 Huang Qiangbing,Peng Jianbing,Fan Wen,et al.Estimation of the Maximum Displacement of Ground Fissures along Xi'an Metro Line 2 and Its Engineering Classification[J].Journal of Engineering Geology,2007,15(4):469□474
[5]陕西省建设厅.DBJ61-6-2006,J10821-2006西安地裂缝场地勘察与工程设计规程[S].西安,2006 The Construction Bureau of Shaanxi Province.DB J61-6-2006,J10821—2006 Specifications for Site Investigation and Engineering Design on Xi'an Ground Fractures[S].Xi'an,2006
[6]黄强兵.地裂缝对地铁隧道的影响机制及病害控制研究[D].西安:长安大学,2009 Huang Qiangbing.Study on Effect of the Active Ground Fissure on Metro Tunnel and Its Hazards Control[DJ.Xi'an:Chang'an University, 2009
[7]黄强兵,彭建兵,樊红卫,等.西安地裂缝对地铁隧道的危害及防治措施研究[J].岩土工程学报,2009,31(5):781-788 Huang Qiangbing,Peng Jianbing,Fan Hongwei,et al.Metro Tunnel Hazards Induced by Active Ground Fissures in Xi'an and Relevant Control Measures[J].Chinese Journal of Geotechnical Engineering,2009,31(5):781-788
[8]黄强兵,彭建兵,高虎艳,王海祥.地铁隧道斜交穿越地裂缝带的纵向设防长度[J].铁道学报,2010,32(1):73-78 Huang Qiangbing,Peng Jianbing,Gao Huyan,Wang Haixiang,et al.The Longitudinal Fortified Length of Metro Tunnel Obliquely Crossing the Active Ground Fissure Zones[J].Journal of the China Railway Society,2010,32(1):73-78
[9]黄强兵,彭建兵,邓亚虹,范文.西安地铁2号线穿越地裂缝带的设防参数[J].岩土力学,2010,31(9):2882-2888 Huang Qiangbing,Peng Jianbing,Deng Yahong,Fan Wen.Design Parameters of Xi'an Metro Line 2 Tunnel Passing through Active Ground Fissure Zones[J].Rock and Soil Mechanics,2010,31(9):2882-2888
[10]彭建兵,黄强兵,等.地铁隧道近距离平行和小角度穿越活动地裂缝带的性状及防治措施研究[R].西安:长安大学,2010 Peng Jianbing,Huang Qiangbing,et al.Study on Behaviors of Metro Tunnel Traversing Ground Fissures with Small-angle or in Closely-spaced Parallel and Its Control Measures[R].Xi'an:Chang'an University,2010
[11]中华人民共和国国家标准.GB50157-2003地铁设计规范[S].北京:中国计划出版社,2003 Nati onal Standards of the People?s Republic of China.Gb50157—2003 Code for Design of Metro[S].Beijing:China Planning Press, 2003
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