层状双向剪切模型箱的设计及振动台试验验证
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摘要
层状剪切模型箱是土-结动力相互作用振动台试验中的重要设备。针对地下结构非一致地震作用振动台阵试验,设计了能够在相互垂直的两个方向上均满足层间剪切变形的模型箱,并利用自由场振动台试验结果对模型箱性能进行了检验,提出采用2-范数偏差方法对模型箱边界效应进行了定量分析和对比。结果表明,所研制的模型箱性能良好,能够正确模拟原型场地的水平地震动特性,采用2-范数偏差方法能够较好地描述模型箱的边界效应。
Laminar shear box is an important facility for shaking table test of soil-structure interaction.Two laminar shear boxes were designed and manufactured in this study to investigate the effect of non-uniform earthquake wave excitation.Each box is so designed that it can move freely in two directions.The performance of the box is checked by free field tests on shaking table.The boundary effect of the box is quantitatively analyzed by 2-Norms deviation index.The result demonstrates that the performance of the box is quite well and it can properly represent the characteristic of prototype ground under earthquake excitation.The proposed 2-Norms deviation is a good factor for boundary effect analysis.
Laminar shear box is an important facility for shaking table test of soil-structure interaction.Two laminar shear boxes were designed and manufactured in this study to investigate the effect of non-uniform earthquake wave excitation.Each box is so designed that it can move freely in two directions.The performance of the box is checked by free field tests on shaking table.The boundary effect of the box is quantitatively analyzed by 2-Norms deviation index.The result demonstrates that the performance of the box is quite well and it can properly represent the characteristic of prototype ground under earthquake excitation.The proposed 2-Norms deviation is a good factor for boundary effect analysis.
引文
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[9]杨林德,季倩倩,郑永来,等.地铁车站结构振动台试验中模型箱设计的研究[J].岩土工程学报,2004,26(1):75-78.(YANG Lin-de,JI Qian-qian,ZHENGYong-lai,et al.Study on design of test box in shaking ta-ble test for subway station structure in soft soil[J].Chi-nese Journal of Geotechnical Engineering,2004,26(1):75-78.(in Chinese))
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[11]陈国兴,庄海洋,杜修力,李亮,程绍革.土-地铁车站结构动力相互作用大型振动台模型试验研究[J].地震工程与工程振动,2007,27(2):171-176.(CHEN Guo-xing,ZHUANG Hai-yang,DUXiu-li,etal.Analysis of large-scale shaking table test of dynam-ic soil-subway station interaction[J].Earthquake En-gineering and Engineering Vibration,2007,(27)2:171-176.(in Chinese))
[12〗大友敬三,末W俊夫,和井正,金谷賢生.?震?における鉄筋コンクリ?ト製地中構造物横断面の塑性変形に関する実証研究[J].土木学会論文集,No.724/I-62,2003:157-175.(Keizo OHTOMO,Toshio SUEHIRO,Tadashi KAWAI and Kensei KA-NAYA.Substantial cross Section Plastic Deformationof Underground Reinforced Concrete Structure duringStrong Earthquakes[J].Journal of JSCE,2003,No.724/I-62:157-175.(in Japanese))
[13]樱井彰雄.地盘耐震学[M].东京:丸善出版社,1999.(Sakurai akio.Seismic Ground Engineering,To-kyo Maruzen Publication,1999.(in Chinese))
[14]Youssef M.A.Hashasha,Jeffrey J.Hook,BirgerSchmidt,John I-Chiang Yao.Seismic design and anal-ysis of underground structures[J].Tunnelling and Un-derground Space Technology,2001,16:247-293.
[2]廖俊展,黄茂松,李兴照.某越江通道工程江中风井抗震稳定性研究[J].地下空间与工程学报,2006,2(2):236-241.(LIAO Jun-zhan,HUANGMao-song,LI Xing-zhao.Study on the Stability of Ven-tilation Shaft Under the Earthquake for a River-AcrossTunnel[J].Chinese Journal of Underground Space andEngineering,2006,2(2):236-241.(in Chinese))
[3]简贤文,施邦筑,黄依慧,等.公路隧道火灾紧急应变及救援策略模式之研究[J].地下空间与工程学报,2008,4(4):781-788.(CHIEN Shen-Wen;SHIBang-zhu;HUANG Yi-Hui,et al.AStudy of Emergen-cy Response and Rescue Strategies for Road TunnelFires[J].Chinese Journal of Underground Space andEngineering,2008,4(4):781-788.(in Chinese))
[4]郑永来,刘曙光,杨林德,等.软土中地铁区间隧道抗震设计研究[J].地下空间,2003,23(2):111-114,118.(ZHEN Yong-lai,LIU Shu-guang,YANGLin-de,et al.A Study on Seismic Design of SubwayTunnel in Soft Clay[J].Underground Space,2003,23(2):111-114,118.(in Chinese))
[5]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于计算[J].岩土工程学报.,1993,15(4):2-7.(XU Zhi-ying,SHI Shan-yun.Large-SizedShaking Table Test and Calculation for Soil-Substruc-ture Dynamic Interaction[J].Chinese Journal ofGeotechnical Engineering,1993,15(4):2-7.(in Chi-nese))
[6]陈跃庆.结构-地基动力相互作用体系振动台试验研究[D].同济大学,2001.06.(CHEN Yue-qing.Shaking Table Testing on Dynamic Soil-Structure Inter-action System[D].Shanghai:Tongji University,2001.6.(in Chinese))
[7]季倩倩.地铁车站结构振动台模型试验研究[D].同济大学,2002.6.(JI Qian-qian.Research of ShakingTable Test of Subway Station[D].Shanghai:Tongji U-niversity,2002.6.(in Chinese))
[8]伍小平.砂土-桩-结构相互作用振动台试验研究[D].同济大学.2002.9.(WU Xiao-pin.Research ofShaking Table Test of Sandy Soil-Pile-Structure In-teraction[D].Shanghai:Tongji University,2002.9.(in Chinese))
[9]杨林德,季倩倩,郑永来,等.地铁车站结构振动台试验中模型箱设计的研究[J].岩土工程学报,2004,26(1):75-78.(YANG Lin-de,JI Qian-qian,ZHENGYong-lai,et al.Study on design of test box in shaking ta-ble test for subway station structure in soft soil[J].Chi-nese Journal of Geotechnical Engineering,2004,26(1):75-78.(in Chinese))
[10]黄春霞,张鸿儒,隋志龙.大型叠层剪切变形模型箱的研制[J].岩石力学与工程学报,2006.25(10):2128-2 134.(HUANG Chun-xia,ZHANG Hong-ru,SUI Zhi-long.Development of large-scale laminarshear model box[J].Chinese Journal of Rock Me-chanics and Engineering,2006,(25)10:2128-2134.(in Chinese))
[11]陈国兴,庄海洋,杜修力,李亮,程绍革.土-地铁车站结构动力相互作用大型振动台模型试验研究[J].地震工程与工程振动,2007,27(2):171-176.(CHEN Guo-xing,ZHUANG Hai-yang,DUXiu-li,etal.Analysis of large-scale shaking table test of dynam-ic soil-subway station interaction[J].Earthquake En-gineering and Engineering Vibration,2007,(27)2:171-176.(in Chinese))
[12〗大友敬三,末W俊夫,和井正,金谷賢生.?震?における鉄筋コンクリ?ト製地中構造物横断面の塑性変形に関する実証研究[J].土木学会論文集,No.724/I-62,2003:157-175.(Keizo OHTOMO,Toshio SUEHIRO,Tadashi KAWAI and Kensei KA-NAYA.Substantial cross Section Plastic Deformationof Underground Reinforced Concrete Structure duringStrong Earthquakes[J].Journal of JSCE,2003,No.724/I-62:157-175.(in Japanese))
[13]樱井彰雄.地盘耐震学[M].东京:丸善出版社,1999.(Sakurai akio.Seismic Ground Engineering,To-kyo Maruzen Publication,1999.(in Chinese))
[14]Youssef M.A.Hashasha,Jeffrey J.Hook,BirgerSchmidt,John I-Chiang Yao.Seismic design and anal-ysis of underground structures[J].Tunnelling and Un-derground Space Technology,2001,16:247-293.
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