隧道结构抗震设计修正的地震系数法及其应用
摘要
通过地震系数法、塌落拱理论以及动力时程分析法计算地震荷载对隧道产生的内力,并分析了围岩应力应变的变化规律。将隧道衬砌在不同计算方法下的内力值进行比较分析,提出了对常规地震系数法的修正,并在特定工况下采用修正的地震系数法进行隧道抗震设计。
引文
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[3]耿萍,丰月华,何川,等.盾构隧道横断面地震响应的广义反应位移法分析[J].铁道建筑,2009(6):55-58.
[4]耿萍,何川,晏启祥.水下盾构隧道抗震设计分析方法的适应性研究[J].岩石力学与工程学报,2007,26(2):3625-3630.
[5]PENZIEN J,WU C L.Stresses in linings of bored tunnels[J].Earthquake Engineering and Structural Dynamics,1998,27(3):283-300.
[6]张栋梁,杨林德,谢永利,等.盾构隧道抗震设计计算的解析解[J].岩石力学与工程学报,2008,27(3):543-549.
[7]HUO H,BOBET A,FERNANDEZ G,et al.Load transfermechanisms between underground structure and surroundingground:evaluation of the failure of the Daikai Station[J].Journal ofGeotechnical and Geoenvironmental Engineering,2005,131(12):1522-1533.
[8]LIU H B,SONG E X.Seismic response of large undergroundstructures in liquefiable soils subjected to horizontal and verticalearthquake excitations[J].Computers and Geotechnics,2005,32(4):223-244.
[9]LIU H B,SONG E X.Working mechanism of cutoff walls inreducing uplift of large underground structures induced by soilliquefaction[J].Computers and Geotechnics,2006,33(4/5):209-221.
[10]NAM S H,SONG H W,BYUN K J,et al.Seismic analysis ofunderground reinforced concrete structures considering elastoplasticinterface element with thickness[J].Engineering Structures,2006,28(8):1122-1131.
[11]关宝树.隧道力学概论[M].成都:西南交大出版社,1993.
[12]喻军,刘松玉,童立元.小净距隧道设计荷载的确定[J].东南大学学报(自然科学版),2008,38(5):856-860.
[13]夏瑞萌.承载土体中隧道开挖引起的塑性区与塌落拱范围的理论与数值分析[R].北京:北京交通大学,2008.
[14]江英超,聂亮,耿萍,等.埋深和地层条件对盾构隧道地震响应的影响分析[C]//第五届中日盾构隧道论文集.成都:西南交通大学出版社,2009:83-88.
[15]晏启祥,马婷婷,何川,等.深埋盾构隧道抗震分析的近似解析法[C]//第五届中日盾构隧道论文集.成都:西南交通大学出版社,2009:79-82.
[16]张旭辉,张呆峰.道路路基FEM弹性解的塑性判别及ANSYS软件实现[J].路基工程,2002(4):5-6.
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