The analysis of the free vibration characteristic of the long-span arch
bridge made of concrete filled in steel tube

Journal of Chongqing Jiaotong University(Natural Science) ›› 2002, Vol. 21 ›› Issue (3): 1-3.

The analysis of the free vibration characteristic of the long-span arch bridge made of concrete filled in steel tube

LIU Dong

Department of Engineering Design , Chongqing Jiaotong University , Chongqing 400074 , China

Received:2001-10-19 Revised:2001-12-17 Online:2002-09-15 Published:2015-05-18

大跨度钢管砼拱桥自振特性分析

刘东

重庆交通学院工程设计所重庆400074

作者简介:刘东(1971 — )，男，土家族，四川遂宁人，工程师，主要从事桥梁设计、施工

Abstract

Abstract: One part of this paper is about the calculation of free vibration characteristic which is possessed by a type of long-span arch bridge with parallel ribs and a type of long-span x-type arch bridge both made of concrete filled in steel tube .After consulting some related caculations from other papers , the universal law of free viberation characteristic which belongs to long-span arch bridge made of concrete filled in steel tube with parallel ribs is analyzed in this paper .The last part deals with the effect which intilted arched ribs have on the free viberation characteristic .This paper is aimed to offer referrence for further study

Key words: arch bridge , concrete filled in steel tube , x-type arch bridge , free viberation characterisic

摘要： 笔者对某大跨度钢管砼平行肋拱桥和某提篮拱桥的自振特性进行了计算，结合其它文献的计算结果，分析了大跨度钢管砼拱桥自振特性的一般性规律，并探讨了拱肋内倾对自振特性的影响，可为进一步的研究提供参考。

关键词: 拱桥, 钢管砼, 提篮拱桥, 自振特性

CLC Number:

U441⁺.2

LIU Dong. The analysis of the free vibration characteristic of the long-span arch bridge made of concrete filled in steel tube[J]. Journal of Chongqing Jiaotong University(Natural Science), 2002, 21(3): 1-3.

刘东. 大跨度钢管砼拱桥自振特性分析[J]. 重庆交通大学学报（自然科学版）, 2002, 21(3): 1-3.

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