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2005•Journal of Nanhua UniversityRequires access

Optimization of Structure Stability of Maocaojie Bridge

Yuan Shuai-hua, Xingu Zhong

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Abstract

The main bridge of Mcaocaojie bridge is a half-through concreted-filled steel tube(CFST) arch bridge with the ratio of width of deck(16m) and main span(368m) being very small.So its overall stability is one of the critical problems in design.To assure the stability of the main bridge and simultaneously make the main bridge economical,rational,artistic,a three-dimensional stability analysis model of Maocaojie bridge is set up,and the effects of different structure details of the horizontal joints system and the arch rib on stability are studied,then the influence curves are presented,finally the optimization measurements of the structure stability of Maocaojie bridge are given in this paper.

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What this paper is about

The main bridge of Mcaocaojie bridge is a half-through concreted-filled steel tube(CFST) arch bridge with the ratio of width of deck(16m) and main span(368m) being very small.So its overall stability is one of the critical problems in design.To assure the stability of the main bridge and simultaneously make the main bridge economical,rational,artistic,a three-dimensional stability analysis model of Maocaojie bridge is set up,and the effects of different structure details of the horizontal joints system and the arch rib on stability are studied,then the influence curves are presented,finally the optimization measurements of the structure stability of Maocaojie bridge are given in this paper.

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Available abstract

The main bridge of Mcaocaojie bridge is a half-through concreted-filled steel tube(CFST) arch bridge with the ratio of width of deck(16m) and main span(368m) being very small.So its overall stability is one of the critical problems in design.To assure the stability of the main bridge and simultaneously make the main bridge economical,rational,artistic,a three-dimensional stability analysis model of Maocaojie bridge is set up,and the effects of different structure details of the horizontal joints system and the arch rib on stability are studied,then the influence curves are presented,finally the optimization measurements of the structure stability of Maocaojie bridge are given in this paper.

Key concepts: Bridge (graph theory), Structural engineering, Stability (learning theory), Span (engineering), Arch, Beam bridge, Deck, Arch bridge

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