埋地有接头管-土非一致激励振动台试验研究
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摘要
接口破坏是地震作用下埋地管线典型的破坏形式,对地下管线接口地震破坏机理研究就显得非常重要.目前有关地下有接头管线的振动台试验研究比较少,尤其是考虑空间地震场影响下的非一致激励试验研究国内外还是空白.通过设置在两个振动台上的层装剪切土箱,埋入有接头水泥管,输入合成相干地震波,进行了埋地管土相互作用非一致激励振动台模型试验研究,探讨了非一致地震激励下的有接头埋地管线-土的反应规律及发展变化过程.
The joint destruction under the earthquake function buries the pipeline model destruction form and appears very important to the underground utilities connection seismic failure mechanism research.At present,research concerning underground attached pipeline's shake table experimental study is few,and experimental research on the underground oil and cement pipes subjected to non-uniform earthquake wave excitation is even vacant presently.With two-layer-equipped shear boxes respectively set on two shaking tables,the paper,by inputting intervening seismic waves,studies the interaction between the steel pipes embedded in the boxes and their surrounding soil.Based on the data from the experiment,both the damage mechanism of the pipes and the soil in the boxes and the whole damage evolution process are discussed.
The joint destruction under the earthquake function buries the pipeline model destruction form and appears very important to the underground utilities connection seismic failure mechanism research.At present,research concerning underground attached pipeline's shake table experimental study is few,and experimental research on the underground oil and cement pipes subjected to non-uniform earthquake wave excitation is even vacant presently.With two-layer-equipped shear boxes respectively set on two shaking tables,the paper,by inputting intervening seismic waves,studies the interaction between the steel pipes embedded in the boxes and their surrounding soil.Based on the data from the experiment,both the damage mechanism of the pipes and the soil in the boxes and the whole damage evolution process are discussed.
引文
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[2]李杰,李国强.地震工程学导论[M].北京:地震出版社,2005.LI Jie,LI Guo-qiang.Introduction of earthquake engineering[M].Beijing:Earthquake press,2005.
[3]季倩倩.地铁车站结构振动台试验研究[D].上海:同济大学,2002.JI Qian-qian.Shaking table test of subway station[D].Shanghai:Tongji University,2002.
[4]屈铁军,王君杰,王前信.空间变化的地震动功率谱的实用模型[J].地震学报,1996,18(1):55-62.QU Tie-jun,WANG Jun-jie,WANG Qian-xin.Applied model of spatial change power spectrum[J],Earthquake journal,1996,18(1):55-62.
[5]吴华勇.地下管线-土体相互作用试验研究[D].上海:同济大学,2006.WU Hua-yong.Experi mental Investigations of Pipe-Soil Interaction[D].Shanghai:Tongji University,2006.
[6]陈国兴.岩土地震工程学[M].北京:科学出版社,2007.CHEN Guo-xing.Ground earthquake engineering[M].Beijing:Science Press,2007.
[7]徐志英,施善云.土与地下结构动力相互作用的大型振动台试验与计算[J].岩土工程学报,1993(4):1-7.XU Zhi-ying,SHI Shan-yun.Shaking Table Test of Soil-underground structure dynamic interaction[J].Chinese journal of geotechnical engineering.1993(4):1-7.
[8]史晓军.非一致地震激励地下综合管廊大型振动台试验研究[D].上海:同济大学,2008.SHI Xiao-jun.Utility tunnel shaking table test under non-uniformseismic excitation[D].Shanghai:Tongji Univer-sity,2008.
[9]庄海洋.土-地下结构非线性动力相互作用及其大型振动台试验研究[D].南京:南京工业大学,2006.ZHUANG Hai-yang.Nonlinear Dynamic soil-underground structure interaction and Shaking table test;earthquake response[D].Nanjing:Nanjing Industrial University,2006.
[10]刘金龙,刘洁群,陈陆望,等.土的空间破坏面及其抗剪强度[J].西安建筑科技大学学报:自然科学版,2009,41(1):69-75.LI UJin-long,LI UJie-qun,CHEN Lu-wang,et al.The failure surface and relevant shear strength of soil[J].J.Xi′an Univ.of Arch.&Tech.(Natural Scionce Editon),2009,41(1):69-75.
[11]SHI Xiao-jun,WU Hua-yong,CHENJun,et al.Design of laminar shear box with openings for shaking table test and experi mental verification[M].Proceedings of the International Symposium on Innovation&Sustainability of Structures in Civil Engineering,Shanghai:2007:798-806.
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