多层剪切型结构水平地震反应的行波分析
A WAVE MOTION METHOD FOR HORIZONTAL SEISMIC RESPONSE OF SHEAR-BUILDING TYPE
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摘要: 本文根据行波在结构内多次反射并向地基土内散射的概念, 给出了多层剪切型结构水平向地震反应的行波解析解.证明了在考虑土与结构相互作用的情况下, 金井清所导出的根据结构顶部运动推算基底运动的公式仍然成立, 并利用1976年唐山地震时在北京饭店所获得的强震记录, 验证了这一公式.Abstract: Combining the idea of multiple reflection of travelling waves in a structure with consideration of soil-structure interaction, an analytical solution of horizontal seismic response of multistorey shear-building type is presented. It is shown that the formula, presented by K. Kanai, correlating the motions at the top and base of a structure is still valid when the interaction of soil-structure is considered. This formula is further checked by using the strong earthquake motion records obtained at Beijing Hotel during the Tangshan earthquake of 1976.
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[1] Kanai, K., and S. Yoshirawa, Some new Problems of seismic vatrations of a structure, Part I, BERI, 41, 825——833, 1963.
[2] Kanai, K., Engineering Seismolugy, University of Tokyo Press, 1983.
[3] 王阜、廖振鹏, 烟囱竖向地震反应的波动分析, 土木工程学报, 17, 12——26, 1984.
[4] 廖振鹏、王阜, 论结构物的竖向地震输人, 地震工程与工程振动, 3, 74——88, 1983.
[5] Wong, H. L., J. E. Luco, Dynamic response of rigid foundations of arbitrary shape, Earthquake Engng. Strttct. Dyn., 4, 579——587, 1976.
[6] 中国科学院工程力学研究所、河北省地震局抗震组, 唐山地震震害调查初步总结, 地震出版社, 1978.
[7] 郭玉学、彭克中、于双久等, 唐山地震的强震观测, 地震工程与工程振动, 1, 9——19, 1981.[1] Kanai, K., and S. Yoshirawa, Some new Problems of seismic vatrations of a structure, Part I, BERI, 41, 825——833, 1963.
[2] Kanai, K., Engineering Seismolugy, University of Tokyo Press, 1983.
[3] 王阜、廖振鹏, 烟囱竖向地震反应的波动分析, 土木工程学报, 17, 12——26, 1984.
[4] 廖振鹏、王阜, 论结构物的竖向地震输人, 地震工程与工程振动, 3, 74——88, 1983.
[5] Wong, H. L., J. E. Luco, Dynamic response of rigid foundations of arbitrary shape, Earthquake Engng. Strttct. Dyn., 4, 579——587, 1976.
[6] 中国科学院工程力学研究所、河北省地震局抗震组, 唐山地震震害调查初步总结, 地震出版社, 1978.
[7] 郭玉学、彭克中、于双久等, 唐山地震的强震观测, 地震工程与工程振动, 1, 9——19, 1981.
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