不规则荷载下土体动力响应研究综述
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摘要
文中简要综述并分析了当前应用于土体动力反应分析中的Seed简化方法和以20周等幅循环荷载为基础的转换方法,讨论了其适用性和局限性。同时,对国内外有关随机的、不规则地震荷载作用下土体动力特性问题的一些有代表性和方向性研究成果进行了梳理和总结,指出,目前的研究成果多侧重于定性地揭示不规则动应力作用对土强度变形的影响,而不规则波作用下孔压增长模型和土体残余变形增长模型还有待更多研究。
The current applications of Seed's method and 20 cycles method are reviewed and analyzed in soil dynamic response analysis.It also discusses their applicability and limitations.Meanwhile,some representative and directional research achievements on soil dynamic characteristics under the both random,irregular seismic loads at home and abroad have been summarized.Current research achievement mainly focuses on qualitatively revealing the influence of irregular dynamic stress on soil intensity deformation,while more researches on the pore pressure growth model and residual deformation growth model under irregular waves are needed.
The current applications of Seed's method and 20 cycles method are reviewed and analyzed in soil dynamic response analysis.It also discusses their applicability and limitations.Meanwhile,some representative and directional research achievements on soil dynamic characteristics under the both random,irregular seismic loads at home and abroad have been summarized.Current research achievement mainly focuses on qualitatively revealing the influence of irregular dynamic stress on soil intensity deformation,while more researches on the pore pressure growth model and residual deformation growth model under irregular waves are needed.
引文
[1]Seed HB,Idriss I M.Simplified procedure for evaluating soil liquefaction potential[J].Soil Mechanics and Foundations Division,ASCE,1971,97(SM9):1249-1273.
[2]Annaki M,Lee KL.Experimental verification of the equivalent uniform cycle concept for soil[J].The ASCE National Convention,Philadelphia,Session on Soil Dynamics,1976,15(1):176-183.
[3]袁晓铭,孙锐,孟上九.土体地震大变形分析中Seed有效循环次数方法的局限性[J].岩土工程学报,2004,26(2):207-211.YUAN Xiaoming,SUN Rui,MENG Shangjiu.Limitation of Seed’s method of significant cyclic number in analyzing large deformation of soilsduring earthquake[J].Chinese Journal of Geotechnical Engineering,2004,26(2):207-211.
[4]袁晓铭,孙锐,孟上九.土体地震变形分析中有效循环次数方法的可行性研究[C]//中国土木工程学会第九届土力学及岩土工程学术会议论文集,2003:207-211.YUAN Xiaoming,SUN Rui,MENG Shangjiu.Feasibility study of the method of significant cyclic number in soils during earthquake[C]//Pro-ceedings the 9th Soil Mechanics and Geotechnical Engineering Conference lof,Chinese Civil Enginee fring Society,2003:207-211.
[5]汪闻昭.往返荷载下的饱和砂[J].岩土工程学报,1981,3(3):61-65.WANG Wenshao.Saturated sands under cyclic loading[J].Chinese Jounal of Geotechnical Engineering,1981,3(3):61-65.
[6]沈智刚,Harder L F.随机荷载下砂土的动力反应[J].国外地震工程,1980,3(1):52-58.SHEN Zhigang,Harder L F.Dynamic response of a sand under random Loadings[J].Overseas Earthquake Engineering,1980,3(1):52-58.
[7]孟凡超.土体永久变形与地震荷载特征关系研究[D].哈尔滨:中国地震局工程力学研究所,2009.MENG Fanchao.Study on the relationship of soil permanent deformation and the characteristics of seismic loading[D].Harbin:Institute of Engi-neering Mechanics,China Earthquake Administration,2009.
[8]陈继华,陈国兴,王伟.长江下游地区深厚软弱场地地震效应分析析[J].世界地震工程,2009,25(1):117-121.CHEN Jihua,CHEN Guoxing,WANG Wei.Analysis of seismic effect on sites with deep and soft soils in the lower reaches of the Yangtze River[J].World Earthquake Engineering,2009,25(1):117-121.
[9]熊卓卓,丁海平.大型基础等效输入地震研究[J].世界地震工程,2009,25(3):74-80.XIONG Zhuozhuo,DING Haiping.Study of the equivalent input seismic waves on the large-scale foundation[J].World Earthquake Engineer-ing,2009,25(3):74-80.
[10]石兆吉,郁寿松,翁鹿年.塘沽新港地区震陷分析[J].土木工程学报,1988,(4):24-33.SHI Zhaoji,YUShousong,WENG Lunian.Seismic settlement evaluation for Tanggu newport area[J].China Civil Engineering Journal,1988,(4):24-33.
[11]Ishihara K,Yasuda S.Sand liquefaction under random earthquake loading condition[C]//Proc.5th WCEE,Canada,1973:329-338.
[12]Ishihara K,Yasuda S.Sand liquefaction in hollowcylinder torsion under irregular excitation[J].Soil and Foundations,1975,15(1):176-181.
[13]Nagase H,Ishihara K.Effects of load irregularity on the cyclic behavior of sand dynamics and earquake engineering[J].Soil Dynamics and Earth-quake Engineering,1987,6(4):239-248.
[14]陈国兴,谢君斐,韩炜,等.土体地震反应分析的简化有效应法[J].地震工程与工程振动,1995,15(4):93-103.CHEN Guoxing,XIE Junfei,HANWei,et al.Asimplified effective stress method of soil mass earthquake response analysis[J].Earthquake En-gineering and Engineering Vibration,1995,15(4):93-103.
[15]谢定义,巫志刚.不规则动荷脉冲波对砂土液化特性的影响[J].岩土工程学报,1987,9(4):1-12.XIE Dingyi,WUZhigang.Effect of irregular dynamic impulse history on liquefaction characteristics of saturated sand[J].Chinese Journal ofGeotechnical Engineering,1987,9(4):1-12.
[16]张永华,谢定义.不规则动应力条件下孔压的发展规律及其预测方法研究[C]//第四届全国土动力学学术会议论文集,1994:7-12.ZHANG Yonghua,XIE Dingyi.Development and prediction of pore water pressure in saturated sand under irregular dynamic loading[C]//The4th National Conference on Soil Dynamics,1994:7-12.
[17]王兰民.黄土地震灾害预防与减轻研究[D].哈尔滨:中国地震局工程力学研究所,2000.WANG Lanmin.The loess earthquake disaster prevention and mitigate research[D].Harbin:Institute of Engineering Mechanics,China Earth-quake Administration,2000.
[18]孟凡超,袁晓铭,孙锐,等.土体永久变形中地震动有效荷载研究[J].地震工程与工程振动,2009,29(5):170-178.MENG Fanchao,YUAN Xiaoming,SUN Rui,et al.Study on effective loads of ground motion for permanent deformation of soils[J].Journal ofEarthquake Engineering and Engineering Vibration,2009,29(5):170-178.
[19]孟上九,袁晓铭,孙锐.建筑物不均匀震陷机理的振动台实验研究[J].岩土工程学报,2002,24(6):747-751.MENG Shangjiu,YUANXiaoming,SUNRui.Study on mechanism of earthquake-induced differential settlement of building by shaking table test[J].Chinese Journal of Geotechnical Engineering,2002,24(6):747-751.
[20]孟上九,刘汉龙,袁晓铭,等.可液化地基上建筑物不均匀震陷机制的振动台试验研究[J].岩石力学与工程学报,2005,24(11):1978-1985.MENG Shangjiu,LIUHanlong,YUAN Xiaoming,et al.Experimental study on the mechanism of earthquake-induced differential settlement ofbuilding on liquescent subsoil by shaking table[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(11):1978-1985.
[2]Annaki M,Lee KL.Experimental verification of the equivalent uniform cycle concept for soil[J].The ASCE National Convention,Philadelphia,Session on Soil Dynamics,1976,15(1):176-183.
[3]袁晓铭,孙锐,孟上九.土体地震大变形分析中Seed有效循环次数方法的局限性[J].岩土工程学报,2004,26(2):207-211.YUAN Xiaoming,SUN Rui,MENG Shangjiu.Limitation of Seed’s method of significant cyclic number in analyzing large deformation of soilsduring earthquake[J].Chinese Journal of Geotechnical Engineering,2004,26(2):207-211.
[4]袁晓铭,孙锐,孟上九.土体地震变形分析中有效循环次数方法的可行性研究[C]//中国土木工程学会第九届土力学及岩土工程学术会议论文集,2003:207-211.YUAN Xiaoming,SUN Rui,MENG Shangjiu.Feasibility study of the method of significant cyclic number in soils during earthquake[C]//Pro-ceedings the 9th Soil Mechanics and Geotechnical Engineering Conference lof,Chinese Civil Enginee fring Society,2003:207-211.
[5]汪闻昭.往返荷载下的饱和砂[J].岩土工程学报,1981,3(3):61-65.WANG Wenshao.Saturated sands under cyclic loading[J].Chinese Jounal of Geotechnical Engineering,1981,3(3):61-65.
[6]沈智刚,Harder L F.随机荷载下砂土的动力反应[J].国外地震工程,1980,3(1):52-58.SHEN Zhigang,Harder L F.Dynamic response of a sand under random Loadings[J].Overseas Earthquake Engineering,1980,3(1):52-58.
[7]孟凡超.土体永久变形与地震荷载特征关系研究[D].哈尔滨:中国地震局工程力学研究所,2009.MENG Fanchao.Study on the relationship of soil permanent deformation and the characteristics of seismic loading[D].Harbin:Institute of Engi-neering Mechanics,China Earthquake Administration,2009.
[8]陈继华,陈国兴,王伟.长江下游地区深厚软弱场地地震效应分析析[J].世界地震工程,2009,25(1):117-121.CHEN Jihua,CHEN Guoxing,WANG Wei.Analysis of seismic effect on sites with deep and soft soils in the lower reaches of the Yangtze River[J].World Earthquake Engineering,2009,25(1):117-121.
[9]熊卓卓,丁海平.大型基础等效输入地震研究[J].世界地震工程,2009,25(3):74-80.XIONG Zhuozhuo,DING Haiping.Study of the equivalent input seismic waves on the large-scale foundation[J].World Earthquake Engineer-ing,2009,25(3):74-80.
[10]石兆吉,郁寿松,翁鹿年.塘沽新港地区震陷分析[J].土木工程学报,1988,(4):24-33.SHI Zhaoji,YUShousong,WENG Lunian.Seismic settlement evaluation for Tanggu newport area[J].China Civil Engineering Journal,1988,(4):24-33.
[11]Ishihara K,Yasuda S.Sand liquefaction under random earthquake loading condition[C]//Proc.5th WCEE,Canada,1973:329-338.
[12]Ishihara K,Yasuda S.Sand liquefaction in hollowcylinder torsion under irregular excitation[J].Soil and Foundations,1975,15(1):176-181.
[13]Nagase H,Ishihara K.Effects of load irregularity on the cyclic behavior of sand dynamics and earquake engineering[J].Soil Dynamics and Earth-quake Engineering,1987,6(4):239-248.
[14]陈国兴,谢君斐,韩炜,等.土体地震反应分析的简化有效应法[J].地震工程与工程振动,1995,15(4):93-103.CHEN Guoxing,XIE Junfei,HANWei,et al.Asimplified effective stress method of soil mass earthquake response analysis[J].Earthquake En-gineering and Engineering Vibration,1995,15(4):93-103.
[15]谢定义,巫志刚.不规则动荷脉冲波对砂土液化特性的影响[J].岩土工程学报,1987,9(4):1-12.XIE Dingyi,WUZhigang.Effect of irregular dynamic impulse history on liquefaction characteristics of saturated sand[J].Chinese Journal ofGeotechnical Engineering,1987,9(4):1-12.
[16]张永华,谢定义.不规则动应力条件下孔压的发展规律及其预测方法研究[C]//第四届全国土动力学学术会议论文集,1994:7-12.ZHANG Yonghua,XIE Dingyi.Development and prediction of pore water pressure in saturated sand under irregular dynamic loading[C]//The4th National Conference on Soil Dynamics,1994:7-12.
[17]王兰民.黄土地震灾害预防与减轻研究[D].哈尔滨:中国地震局工程力学研究所,2000.WANG Lanmin.The loess earthquake disaster prevention and mitigate research[D].Harbin:Institute of Engineering Mechanics,China Earth-quake Administration,2000.
[18]孟凡超,袁晓铭,孙锐,等.土体永久变形中地震动有效荷载研究[J].地震工程与工程振动,2009,29(5):170-178.MENG Fanchao,YUAN Xiaoming,SUN Rui,et al.Study on effective loads of ground motion for permanent deformation of soils[J].Journal ofEarthquake Engineering and Engineering Vibration,2009,29(5):170-178.
[19]孟上九,袁晓铭,孙锐.建筑物不均匀震陷机理的振动台实验研究[J].岩土工程学报,2002,24(6):747-751.MENG Shangjiu,YUANXiaoming,SUNRui.Study on mechanism of earthquake-induced differential settlement of building by shaking table test[J].Chinese Journal of Geotechnical Engineering,2002,24(6):747-751.
[20]孟上九,刘汉龙,袁晓铭,等.可液化地基上建筑物不均匀震陷机制的振动台试验研究[J].岩石力学与工程学报,2005,24(11):1978-1985.MENG Shangjiu,LIUHanlong,YUAN Xiaoming,et al.Experimental study on the mechanism of earthquake-induced differential settlement ofbuilding on liquescent subsoil by shaking table[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(11):1978-1985.
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