振动台多功能叠层剪切箱研制
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摘要
振动台模型试验是研究地震作用下土-结构动力相互作用的重要方法,而土箱的性质将直接影响到试验结果的可靠性。在总结国内外研制土箱经验的基础上,研制出刚度可调的多功能叠层剪切箱。该剪切模型箱可完成单向和多向振动台土-结构动力相互作用试验;针对不同试验中所选择的模型土种类的不同,本剪切模型箱可调整水平向剪切箱刚度,以更好地模拟水平场地边界效应问题。通过全黏土层中三层三跨地下结构试验验证剪切模型箱模拟水平场地边界效应问题;并通过砂土夹层中三层三跨地下结构试验,验证本剪切箱能够较好地完成三维土-结构相互作用振动台试验。
Shaking table test is an important method to study soil-structure dynamic interaction.The property of soil container directly affects the accuracy of test result.So a multifunctional laminar shear container is firstly designed for shaking table test after summarizing development experience of soil container at home and aboard.The multifunctional laminar shear container can be used to do one-dimensional,two-dimensional and three-dimensional shaking table test.Meanwhile,the stiffness of soil container could be adjusted according to type of model soil,which is applicable to decrease boundary effect.Then a shaking table test on soil-underground structure dynamic interaction,of which the structure laying in clay is conducted.The test results show that the soil container can eliminate the boundary effect when the dynamic load is applied to only one horizontal direction.Results of another shaking table test on three-dimensional soil-underground structure dynamic interactions,of which the structure laying in clay with laminated sand show that the soil container eliminates boundary effect quite well in two mutually perpendicular horizontal.
Shaking table test is an important method to study soil-structure dynamic interaction.The property of soil container directly affects the accuracy of test result.So a multifunctional laminar shear container is firstly designed for shaking table test after summarizing development experience of soil container at home and aboard.The multifunctional laminar shear container can be used to do one-dimensional,two-dimensional and three-dimensional shaking table test.Meanwhile,the stiffness of soil container could be adjusted according to type of model soil,which is applicable to decrease boundary effect.Then a shaking table test on soil-underground structure dynamic interaction,of which the structure laying in clay is conducted.The test results show that the soil container can eliminate the boundary effect when the dynamic load is applied to only one horizontal direction.Results of another shaking table test on three-dimensional soil-underground structure dynamic interactions,of which the structure laying in clay with laminated sand show that the soil container eliminates boundary effect quite well in two mutually perpendicular horizontal.
引文
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[15]庄茁,由小川,廖剑晖,等.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009:55-59.(ZHUANG Zhuo,YOU Xiaochuan,LIAO Jianhui,et al.Finite element analysis of ABAQUS and its application[M].Beijing:Tsinghua University Press,2009:55-59.(in Chinese))
[16]石亦平,周玉蓉.ABAQUS有限元分析实例详解[M].北京:机械工业出版社,2006:35-39.(SHI Yiping,ZHOU Yurong.Finite element analysis and example explanation of ABAQUS[M].Beijing:China Machine Press,2006:35-39.(in Chinese))
[2]何海健,刘维宁,王霆.地下铁道抗震研究的现状与探讨[J].中国安全科学学报,2005,15(8):3-7.(HE Haijian,LIU Weining,WANG Ting.Probe into current status of anti-seismic study on subway[J].China Civil Engineering Journal,2005,15(8):3-7.(in Chinese))
[3]廖振鹏.工程波动理论导论[M].2版.北京:科学出版社,2004:171-179.(LIAO Zhenpeng.Introduction of engineering wave theory[M].2nd ed.Beijng:Science Press,2004:171-179.(in Chinese))
[4]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 Linde,JI Qianqian,ZHENG Yonglai,et al.Study on design of test box in shaking table test for subway station structure in soft soil[J].Chinese Journal of Geotechnical Engineering,2004,26(1):75-78.(in Chinese))
[5]陈国兴,庄海洋,程绍革,等.土-地铁隧道动力相互作用的大型振动台试验:试验方案设计[J].地震工程与工程振动,2006,26(6):178-183.(CHEN Guoxing,ZHUANG Haiyang,CHENG Shaoge,et al.A large-scale shaking table test for dynamic soil-metro tunnel interaction:test scheme[J].Earthquake Engineering and Engineering Vibration,2006,26(6):178-183.(in Chinese))
[6]景立平,姚运生,郑志华.饱和粉土液化特性的大型振动台模型试验研究[J].地震工程与工程振动,2007,27(6):160-165.(JING Liping,YAO Yunsheng,ZHENG Zhihua.Large-scale shaking table test study on liquefaction of saturated silty soil[J].Earthquake Engineering and Engineering Vibration,2007,27(6):160-165.(in Chinese))
[7]MEYMAND P.Shaking table scale model test of nonlinear soil-pile-superstructure interaction in soft clay[Ph.D.Thesis][D].Berkeley:University of California Berkeley,1998.
[8]WHITMAN R V,LAMBE P C,KUTTER B L.Initial results from a stacked ring apparatus for simulation of a soil profile[C]//Proceedings of the International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics.St.Louis,USA:[s.n.],1981:1 105-1 110.
[9]MATSUDA T,GOTO Y.Studies on experimental technique of shaking table test for geotechnical problem[C]//Proceedings of the 9th World Conference Earthquake Engineering.Tokyo,Japan:[s.n.],1998:837-842.
[10]伍小平,孙利民,胡世德,等.振动台试验用层状剪切变形土箱的研制[J].同济大学学报:自然科学版,2002,30(7):781-785.(WU Xiaoping,SUN Limin,HU Shide,et al.Development of laminar shear box used in shaking table test[J].Journal of Tongji University:Natural Science,2002,30(7):781-785.(in Chinese))
[11]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):2 128-2 134.(HUANG Chunxia,ZHANG Hongru,SUI Zhilong.Development of large-scale laminar shear model box[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(10):2 128-2 134.(in Chinese))
[12]史晓军,陈隽,李杰.层状双向剪切模型箱的设计及振动台试验验证[J].地下空间与工程学报,2009,5(2):254-261.(SHI Xiaojun,CHEN Jun,LI Jie.Design and verification of dual-direction shear laminar box for shaking table test[J].Chinese Journal of Underground Space and Engineering,2009,5(2):254-261.(in Chinese))
[13]高博,张鸿儒.堆叠式剪切模型箱的改进[J].岩石力学与工程学报,2009,28(增2):4 021-4 026.(GAO Bo,ZHANG Hongru.Improvement of stacked shear model box[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(Supp.2):4 021-4 026.(in Chinese))
[14]陈国兴,王志华,左熹,等.振动台试验叠层剪切型土箱的研制[J].岩土工程学报,2010,32(1):89-98.(CHEN Guoxing,WANG Zhihua,ZUO Xi,et al.Development of laminar shear soil container for shaking table tests[J].Chinese Journal of Geotechnical Engineering,2010,32(1):89-98.(in Chinese))
[15]庄茁,由小川,廖剑晖,等.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009:55-59.(ZHUANG Zhuo,YOU Xiaochuan,LIAO Jianhui,et al.Finite element analysis of ABAQUS and its application[M].Beijing:Tsinghua University Press,2009:55-59.(in Chinese))
[16]石亦平,周玉蓉.ABAQUS有限元分析实例详解[M].北京:机械工业出版社,2006:35-39.(SHI Yiping,ZHOU Yurong.Finite element analysis and example explanation of ABAQUS[M].Beijing:China Machine Press,2006:35-39.(in Chinese))
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