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高烈度地震区连拱隧道洞口段抗震措施研究

, PP. 80-85

Keywords: 隧道工程,连拱隧道,三维数值模拟,抗震措施,隧道洞口段,注浆加固

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Abstract:

?以中国西南高烈度地震区某拟建连拱隧道为背景,提出隧道洞口段2种全环注浆抗震加固方案,即全环间隔注浆和全环接触注浆;并采用三维数值模拟对不同注浆形式和注浆厚度进行了研究。结果表明:连拱隧道全环注浆2种加固形式均能有效减小隧道-围岩系统的动力相互作用,从而提高隧道整体抗震性能;其中全环接触注浆效果最优,全环间隔注浆效果次之,局部注浆效果不明显;全环接触注浆厚度增大到0.5倍开挖宽度以后,注浆效果几乎不变。研究结论对公路隧道抗震设计、施工有一定参考价值。

References

[1]  李天斌.汶川特大地震中山岭隧道变形破坏特征及影响因素分析[J].工程地质学报,2008,16(6):742-750.
[2]  WANG Zheng-zheng,GAO Bo,JIANG Yuan-jun,et al.Investigation and Assessment on Mountain Tunnels and Geotechnical Damage After the Wenchuan Earthquake[J].Science in China Series E:Technological Sciences,2009,52(2):546-558.
[3]  GAO Bo,WANG Zheng-zheng,YUAN Song,et al.Lessons Learnt from Damage of Highway Tunnels in Wenchuan Earthquake[J].Journal of Southwest Jiaotong University,2009,44(3):336-341,374.
[4]  GAO Feng,SHI Yu-cheng,YAN Song-hong,et al.Study of Two Shock Absorption Measures in Tunnel[J].Chinese Journal of Rock Mechanics and En-gineering,2005,24(2):222-229.
[5]  HUANG Sheng,CHEN Wei-zhong,YANG Jian-ping,et al.Research on Earthquake-induced Dynamic Responses and Aseismic Measures for Underground Engineering[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(3):483-490.
[6]  PAN Chang-shi.Numerical Method for Tunnel Mechanics[M].Beijing:China Railway Publishing House,1995.
[7]  WANG Zheng-zheng.Nonlinear Seismic Damage Response of Tunnel Structures Across Faults[D].Chengdu:Southwest Jiaotong University,2009.
[8]  ZHOU Rong-jun,HE Yu-lin.Seismic Safety Appraisal Report of Ya'an-Lugu Expressway for Beijing-Kunming Expressway Project[R].Chengdu:Sichuan Sast Technology Co.Ltd.,2005.
[9]  HASHASH Y M A,HOOK J J,SCHMIDT B,et al.Seismic Design and Analysis of Underground Structures [J].Tunnelling and Underground Space Technology,2001,16(4):247-293.
[10]  LI Tian-bin.Failure Characteristics and Influence Factor Analysis of Mountain Tunnels at Epicenter Zones of Great Wenchuan Earthquake[J].Journal of En-gineering Geology,2008,16(6):742-750.
[11]  高 波,王峥峥,袁 松,等.汶川地震公路隧道震害启示[J].西南交通大学学报,2009,44(3):336-341,374.
[12]  高 峰,石玉成,严松宏,等.隧道的两种减震措施研究[J].岩石力学与工程学报,2005,24(2):222-229.
[13]  黄 胜,陈卫忠,杨建平,等.地下工程地震动力响应及抗震研究[J].岩石力学与工程学报,2009,28(3):483-490.
[14]  潘昌实.隧道力学数值方法[M].北京:中国铁道出版社,1995.
[15]  王峥峥.跨断层隧道结构非线性地震损伤反应分析[D].成都:西南交通大学,2009.
[16]  周荣军,何玉林.北京至昆明高速公路四川境雅安至泸沽项目地震安全性评价报告[R].成都:四川赛思特科技有限责任公司,2005.

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