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Spatial Stability Analysis of CFST Arch Bridge

Author: LiuYanFei
Tutor: ZuoErRen
School: Hefei University of Technology
Course: Municipal Engineering
Keywords: CFT Tied Arch Bridge Stability Buckling mode Geometric nonlinearity Material nonlinearity Finite element analysis
CLC: U448.225
Type: Master's thesis
Year: 2006
Downloads: 173
Quote: 7
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Abstract


Arch stability study was conducted by plane to plane , the elastic deflection theory to theory , and then developed to consider the geometric and material nonlinear stability theory limit arch . Currently single rib plane elastic stability analysis has been very mature, but for complex architecture arch , because the impact of the boom and deck structure , and its roll stability load no analytical solution and must be calculated using numerical methods . Application structure geometric and material nonlinear constitutive limits of stability analysis for arch and to be realized by the finite element method is arch Stability Capacity trend. Thesis, Span CFST Tied Arch -plane stability analysis of the first category , the main issues discussed and studied broadly divided into the following areas: 1 . Concrete steel basic calculation principles . Because the tube Concrete is a composite material , the mechanical properties are currently no unified theory , the text used in Chinese scholar 's \2 large span arch bridge stability theory . Focus plane buckling stability analysis of the finite element method . Using the nonlinear geometric equations and principle of stationary total potential energy derived spatial beam element stiffness equation , and thus established a first class stability characteristic equation . 3 large span arch bridge stability analysis . For instance an engineering process using finite element method analysis of long span Tied Arch stability characteristics , and a brief analysis of the impact of factors tied arch stability . 4 due to the geometric properties of materials and structural complexity , the current structure principle CFST Tied Arch Bridge Concrete and steel structural stability analysis is not perfect , this paper presents the problem of outlook . This article mainly for engineering design practice services , has a certain reference value.

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CLC: > Transportation > Road transport > Bridges and Culverts > All kinds of bridges > Bridge: Structure > Arch bridge > Tied Arch Bridge
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