Direct simulation of the tensioning process of cable-stayed bridges

被引：31

作者：

Lozano-Galant, Jose Antonio ^{[1
]}

Dong, Xu ^{[2
]}

Paya-Zaforteza, Ignacio ^{[3
]}

Turmo, Jose ^{[4
]}

机构：

[1] Univ Castilla La Mancha, Dept Civil Engn, E-13071 Ciudad Real, Spain

[2] Tongji Univ, Dept Bridge Engn, Shanghai 200092, Peoples R China

[3] Univ Politecn Valencia, Dept Ingn Construcc & Proyectos Ingn Civil, Inst Ciencia Tecnol Hormigon ICITECH, Valencia 46023, Spain

[4] Univ Politecn Catalunya BarcelonaTech, Dept Construct Engn, Barcelona 08034, Spain

来源：

COMPUTERS & STRUCTURES | 2013年 / 121卷

关键词：

Construction simulation; Cable-stayed bridges; Temporary supports; Tensioning process; Analysis; Unstressed length; CONSTRUCTION; OPTIMIZATION; FORCES;

D O I：

10.1016/j.compstruc.2013.03.010

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper proposes a new and innovative algorithm, the Direct Algorithm (DA), which introduces, for the very first time, the unstressed length of the stays concept into the modeling of the construction process of cable-stayed bridges. This assumption enables a fast and direct simulation of construction stages by analyzing independent Finite Element Models when time-dependent phenomena are neglected. The computational speed and the limited computer storing requirements of the DA make it especially indicated for optimization problems. Furthermore, it can be implemented in any structural analysis software. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：64 / 75

页数：12

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