不同类别场地地震动参数的计算分析
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摘要
基于１８８个工程场地计算剖面及场地地震反应分析的等效线性化波动分析方法，通过对场地地震反应的计算及计算结果的分析，研究了４类分类场地条件对场地地震动影响的特点及规律，给出了每一类场地地震动参数变化的经验关系。
The earthquake responses are calculated for 188 computing soil profiles of engineering sites through the equivalent linearization and wave propagation method for the earthquake response analysis of soil layers. The feature and law of the influence of site condition on the earthquake ground motion are studied for 4 site categories based on the calculated results for the soil profiles. Empirical relations are also obtained for the variance of earthquake ground motion parameters of 4 site categories.
The earthquake responses are calculated for 188 computing soil profiles of engineering sites through the equivalent linearization and wave propagation method for the earthquake response analysis of soil layers. The feature and law of the influence of site condition on the earthquake ground motion are studied for 4 site categories based on the calculated results for the soil profiles. Empirical relations are also obtained for the variance of earthquake ground motion parameters of 4 site categories.
引文
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[14]周锡元,王广军,苏经宇.场地、地基、设计地震[M].地震出版社,1991.
[2]符圣聪等.Iwan模型用于场地动力分析[J].地震工程与工程振动, 1984, (4):3.
[3]李小军,廖振鹏.土应力应变关系的粘-弹-塑模型[J],地震工程与工程振动,1989,9(3):65-72.
[4]李小军.非线性土层地震反应分析的一种方法[J].华南地震,1992,12(4):1-8.
[5]廖振鹏,李小军.地表土层地震反应的等效线性化解法[M].地震小区划──理论与实践,地震出版社.1989.
[6]王志良,韩清宇.粘弹塑性土层地震反应的波动分析法[J].地震工程与工程振动,1981,1(1):117-137.
[7]中华人民共和国国家标准.建筑抗震设计规范(GBJ11—89)[S].中国建筑工业出版社,1989.
[8] Crouse, C. B. and McGuire, J. W, Site Response studies for purpose of revising NEHRP seismic provisions[J].Earthquake Spectra, 1996, 12(3): 408-439.
[9] Hwang, H. H. M., Lin, Huijie and Huo, Jun-Rong. Site coefficients for design of buildings in eastern UnitedStates[J]. Soil Dynamics and Earthquake Engineering, 1997, 16(1): 29-40.
[10] Idriss, I.M., etc. Seismic response of horizontal soil layers[J]. ASCE, 1968, 94(SM4): 1003.
[11] Pyke, R. Nonlinear soil models for irregular cyclic loadings[J]. Journal of the Geotechnical Engineering Division,ASCE, 1979, (105): 6-715.
[12]薄景山.场地分类和设计反应谱调整方法研究[R].中国地震局工程力学研究所博士后出站报告.1998.
[13]苏经宇,王广军.典型土层剖面地震反应分析[J].工程抗震,1985,(2).
[14]周锡元,王广军,苏经宇.场地、地基、设计地震[M].地震出版社,1991.
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