体外预应力对T形刚构桥振动特性的影响
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摘要
以苏丹喀土穆州布瑞大桥主桥加固工程为工程背景,采用通用有限元软件ANSYS对体外预应力加固T形刚构桥的振动特性进行研究,提出避免结构发生共振的措施,对于指导工程实践有实用价值。
Backgrounded with the strengthening construction of the main bridge of Burri Bridge,Khartoum State,Sudan,the vibration behavior of T-frame bridges strengthened with external prestressing is studied by means of universal finite element software ANSYS,and measures against resonance of the T-frame bridge structures are proposed.The analysis and measures in the paper are of practical values in guiding construction of bridge works.
引文
[1]熊学玉,王寿生.体外预应力梁振动特性的分析与研究[J].地震工程与工程振动,2005,25(2):55-61.
    [2]郑玉庆,卜伟筠,周海浪,等.体外预应力梁的振动问题的研究分析[J].四川建筑科学研究,2002,(3):75-78.

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