MACRO-ELEMENT ANALYSIS OF PRESTRESSED CURVED BOX-GIRDER BRIDGES

被引：13

作者：

JIROUSEK, J

BOUBERGUIG, A

机构：

[1] Department of Civil Engineering, Swiss Federal Institute of Technology, Lausanne

来源：

COMPUTERS & STRUCTURES | 1979年 / 10卷 / 03期

关键词：

D O I：

10.1016/0045-7949(79)90022-1

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

An efficient macro-element formulation for static analysis of curved box-girder bridges with variable cross section is presented. The structure is conceived as a sequence of macro-elements having the form of transversal slices of identical topology. Each slice is formed using two types of special purpose elements: a modified Ahmad's thick shell element and an assembly element. The purpose of the latter is to enable assembly of up to four thick shell elements meeting at different angles. The effect of prestressing is properly taken into account in the form of appropriate local loads considered at the element level. A particular substructure oriented finite element program of considerable efficiency, developed for practical applications, is briefly presented. The accuracy of the formulation is illustrated by several numerical examples. Work is in progress to include vibration analysis. © 1979.

引用

页码：467 / 482

页数：16

共 8 条

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[2]

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[3]

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[4]

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[5]

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[7]

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[8]

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