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城市桥梁被车辆撞击后损伤分析

, PP. 19-21

Keywords: 城市桥梁,碰撞,位移,应力,urbanbridges,collision,displacement,stress

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Abstract:

:?通过研究城市桥梁中当桥墩在重型车辆撞击下的受力状态及车-桥的碰撞机理,采用有限元软件ABAQUS对3种不同车速车辆垂直撞击桥墩的情况进行了模拟分析。分析表明:桥墩被撞击位置处的应力先随时间的增加而增大,达到最大值时,既又随之减小,符合混凝土的弹塑性破坏;并且车速越大,桥墩局部达到的应力及位移也越大。

References

[1]  [2] 陆新征,张炎圣,江见鲸,等.超高车辆与立交桥梁碰撞的高精度非线性有限元仿真[J].石家庄铁道学报,2007,20(1):29-34.
[2]  LU Xin-zheng,ZHANG Yan-sheng,JIANG Jian-jing,et al.Simulation of impact between over-high truck and viaduct based onhigh precision nonlinear finite element analysis [J].Journal ofShijiazhuang Railway Institute,2007,20(1):29-34.
[3]  [3] 操太林.高速公路上跨桥中墩撞击损伤检测与安全评估[J].工程与建设,2007,21(2):219.
[4]  CAO Tai-lin.The collision damage detection and safety evaluationof mid-piers crossing highway[J].Engineering and Construction,2007,21(2):219.
[5]  [4] 马祥禄,高志升,张丹华.不同速度超高车辆碰撞下跨线桥动态响应分析[J].山西建筑,2009,35(20):304-306.
[6]  MA Xing-lu,GAO Zhi-sheng,ZHANG Dan-hua.Dynamicresponse analysis of flyover under collision of ultrahigh vehicle withdifferent speeds[J].Shanxi Architecture,2009,35(20):304 -306.
[7]  [5] 刘兴远,刘念念,程建,等.汽车撞击作用对建筑物安全性影响的初步分析[J].重庆建筑,2008,12(62):34-36.
[8]  LIU Xing-yuan,LIU Nian-nian,CHENG Jian,et al.Preliminary analysis on the influence of vehicle impact on safety ofbuildings[J].Chongqing Architecture,2008,12(62):34-36.
[9]  [1] 马祥禄.跨线桥在超高车辆撞击下的动态响应分析[D].北京: 北京工业大学,2009.
[10]  MA Xiang-lu.Dynamic Response Analysis of Overpass Bridgeunder Superelevation Vehicles Collision[D].Beijing: Beijing Universityof Technology,2009.
[11]  [6] JTG D 60—2004 公路桥涵设计通用规范[S].北京: 人民交通出版社,2004.
[12]  JTG D 60—2004 General Code for Design of Highway Bridges andCulverts[S].Beijing: China Communication Press,2004.
[13]  [7] 张炎圣,陆新征,宁静,等.超高车辆撞击组合结构桥梁的仿真分析[J].交通与计算机,2007,25(3):65-69.
[14]  ZHANGN Yan-sheng,LU Xin-zheng,NING Jing,et al.Computersimulation for the impact between over-high truck and compositeviaduct[J].Traffic and Computer,2007,25(3):65-69.

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