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NONLINEAR STATIC REVERSE ANALYSIS OF LONG-SPAN CABLE-STAYED BRIDGES DURING CONSTRUCTION

Xin Ke-gui

Open publisher page 2 citations

Abstract

This paper is concerned with the nonlinear static reverse analysis of long-span cable-stayed bridges during construction. The bending strain energy of cable-stayed bridge is chosen as the objective function, and an iterative-incremental procedure which considers the cable sag effect, beam-column effect and large displacement effect is described to solve the nonlinear system equation and calculate the initial cable forces of a cable-stayed bridge. The influence of concrete creep and shrinkage is considered and the initial shape of cable-stayed bridge is chosen as the first step. The results of nonlinear reverse analysis are used as the cable forces of cable-stayed bridge during construction, that is, the optimal results of the cable-stayed bridge during construction.

About this research paper

What this paper is about

This paper is concerned with the nonlinear static reverse analysis of long-span cable-stayed bridges during construction. The bending strain energy of cable-stayed bridge is chosen as the objective function, and an iterative-incremental procedure which considers the cable sag effect, beam-column effect and large displacement effect is described to solve the nonlinear system equation and calculate the initial cable forces of a cable-stayed bridge. The influence of concrete creep and shrinkage is considered and the initial shape of cable-stayed bridge is chosen as the first step. The results of nonlinear reverse analysis are used as the cable forces of cable-stayed bridge during construction, that is, the optimal results of the cable-stayed bridge during construction.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This paper is concerned with the nonlinear static reverse analysis of long-span cable-stayed bridges during construction. The bending strain energy of cable-stayed bridge is chosen as the objective function, and an iterative-incremental procedure which considers the cable sag effect, beam-column effect and large displacement effect is described to solve the nonlinear system equation and calculate the initial cable forces of a cable-stayed bridge. The influence of concrete creep and shrinkage is considered and the initial shape of cable-stayed bridge is chosen as the first step. The results of nonlinear reverse analysis are used as the cable forces of cable-stayed bridge during construction, that is, the optimal results of the cable-stayed bridge during construction.

Key concepts: Structural engineering, Bridge (graph theory), Nonlinear system, Displacement (psychology), Span (engineering), Engineering, Beam (structure), Physics

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