高阻尼橡胶支座对连续梁桥抗震性能的影响
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摘要
抗震设计是连续梁桥设计的重要环节,在介绍高阻尼橡胶支座的基础上,研究其对连续梁桥抗震性能的影响。研究发现:高阻尼橡胶支座可以改变连续梁桥的动力特性,可以大幅减小连续梁桥的内力和位移响应,是一种有效的减隔震装置。
Seismic design was an important link in the design of continuous beam bridges.Based on the introduction of high damping rubber bearing,the paper discussed the influence on seismic performance of continuous beam bridge.It was proved that high damping rubber bearing could change the dynamic characteristic of continuous beam bridge,dramatically reduce its internal force and displacement response and which was an effective seismic-isolation device.
Seismic design was an important link in the design of continuous beam bridges.Based on the introduction of high damping rubber bearing,the paper discussed the influence on seismic performance of continuous beam bridge.It was proved that high damping rubber bearing could change the dynamic characteristic of continuous beam bridge,dramatically reduce its internal force and displacement response and which was an effective seismic-isolation device.
引文
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[5]中交公路规划设计院有限公司.JTG D63—2007公路桥涵地基与基础设计规范[S].北京:人民交通出版社,2007.
[2]王克海,孙永红,韦韩,等.汶川地震后对我国结构工程抗震的几点思考[J].公路交通科技,2008,25(11):54-59.
[3]范立础,卓卫东.桥梁延性抗震设计[M].北京:人民交通出版社,2001.
[4]范立础,王志强.桥梁减隔震设计[M].北京:人民交通出版社,2001.
[5]中交公路规划设计院有限公司.JTG D63—2007公路桥涵地基与基础设计规范[S].北京:人民交通出版社,2007.
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