【摘要】：為研究摩擦擺式支座的抗震性能,結(jié)合三江口黃河特大橋地區(qū)的地震參數(shù),對摩擦擺式支座和盆式橡膠支座進行了動力時程分析和對比。結(jié)果表明,在E1地震的作用下,兩種支座的結(jié)構(gòu)內(nèi)力相近;在E2地震的作用下,摩擦擺式支座的整體抗震效果要明顯優(yōu)于盆式橡膠支座。研究結(jié)果對高震區(qū)大跨連續(xù)梁支座的設計,具有一定的理論和指導意義。
[Abstract]:In order to study the seismic performance of the friction pendulum bearing, the dynamic time history analysis and comparison of the friction pendulum bearing and the basin rubber bearing are carried out in combination with the seismic parameters of the Huanghe River Bridge area in the Sanjiangkou. The results show that under the action of E1 earthquake, the internal forces of the two kinds of supports are similar, and under the action of E2 earthquake, the overall seismic effect of friction pendulum bearing is obviously better than that of basin type rubber bearing. The results are of theoretical and instructive significance to the design of long span continuous beam support in high seismic area.
【作者單位】： 甘肅省交通規(guī)劃勘察設計院有限責任公司;
【分類號】：U443.36

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本文編號：2148046