Abstract:
隔震支座应用于不同的桥梁结构型式,其减震效果及所起的作用不尽相同。高阻尼橡胶隔震支座是隔震支座中的一种,以一座实际PC小箱梁连续梁桥为为例,考察了设置高阻尼橡胶隔震支座与设置普通板式橡胶支座的桥梁抗震性能的差异。分析结果表明:与普通板式橡胶支座相比,采用高阻尼橡胶隔震支座的桥墩内力和塑性区转角的减震率在纵向激励下较低,在横向激励下较高;在地震激励下,高阻尼橡胶隔震支座不会发牛失效,震后主梁不会存在残留变形与变位。
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Year: 2012
Page: 1-6
Language: Chinese
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WanFang Cited Count: -1
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30 Days PV: 18
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