The ratio of steel in concrete filled steel tube effect on
the dynamic property of CFST arch bridge

Journal of Chongqing Jiaotong University(Natural Science) ›› 2002, Vol. 21 ›› Issue (3): 11-13.

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The ratio of steel in concrete filled steel tube effect on the dynamic property of CFST arch bridge

LI Yan-qiang¹ , ZHANG Hong-mei² , WU Lan-he¹

1.Dept.of Mechanics and Engineering Science , Shijiazhuang Railway Institute, Shijiazhuang 050043 , China ; 2.Hebei Institute of Architectural Design &Research, Shijiangzhuang 050011, China

Received:2001-07-13 Revised:2002-01-04 Online:2002-09-15 Published:2015-05-18

含钢率对钢管砼拱桥动力特性的影响

李延强¹，张红妹²，武兰河¹

1.石家庄铁道学院力学与工程科学系；河北石家庄050043；2.河北省建筑设计研究院河北石家庄050011

作者简介:李延强(1973 — )，男，山西祁县人，石家庄铁道学院讲师，从事桥梁结构计算研究

Abstract

Abstract: In this paper , the elastic module of concrete filled steel tubular (CFST)member has been calculated according to the uniform theory .The dynamic equations of CFST arch bridge are founded by using spacial finite element method , and the eigenvalues are solved by subspace iterative method .Analysis is made to research the influence of the ratio of steel in CFST to dynamic property of CSFT arch bridges

Key words: CSFT , arch bridge , natural frequency , finite element

摘要： 按照“统一理论”计算钢管砼构件的弹性模量，采用空间有限元方法建立钢管砼拱桥的动力方程，并用子空间迭代法求解该方程的特征值。分析不同含钢率对钢管砼拱桥动力特性的影响

关键词: 钢管砼, 拱桥, 固有频率, 有限元

CLC Number:

U441
U448.22

LI Yan-qiang , ZHANG Hong-mei , WU Lan-he. The ratio of steel in concrete filled steel tube effect on the dynamic property of CFST arch bridge[J]. Journal of Chongqing Jiaotong University(Natural Science), 2002, 21(3): 11-13.

李延强，张红妹，武兰河. 含钢率对钢管砼拱桥动力特性的影响[J]. 重庆交通大学学报（自然科学版）, 2002, 21(3): 11-13.

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The ratio of steel in concrete filled steel tube effect on the dynamic property of CFST arch bridge

含钢率对钢管砼拱桥动力特性的影响

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