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Analysis of Biaxial Fatigue Behavior Based on Finite Element Method

Author: ZhouShangMeng
Tutor: LiYaDong
School: Southwest Jiaotong University
Course: Bridge and Tunnel Engineering
Keywords: Uniaxial fatigue Biaxial fatigue Failure criterion Finite Element Method Bridge Specification
CLC: U442.5
Type: Master's thesis
Year: 2007
Downloads: 329
Quote: 0
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Abstract


The biaxial fatigue constitutive relation of material as a starting point, and tells the story of the birth and development of the bridge structure fatigue design method , and compare the similarities and differences of the various design methods . Compared through the introduction of the norms of Chinese , British norms and European specification the countries specification design theory and design methods ; discovered in the bridge structure design , consider the fatigue shear stress fatigue fatigue design trend . Analytical research work carried out include : 1 . To introduce uniaxial fatigue and multiaxial fatigue failure criterion , introduced uniaxial and multiaxial fatigue damage accumulation model . 2. Discuss classic bridge fatigue design theory and the fatigue design method . 3. Analysis of the national bridge specification fatigue design ideas and methods , comparing national norms similarities and differences . 4. Explore the theory and method of multiaxial stress and strain analysis of finite element methods and materials plastic finite element analysis . 5. The use of the finite element method to investigate the mechanical behavior of the specimen cross node , and several common fatigue criteria in biaxial and uniaxial differences . The elastic-plastic finite element method to calculate the fatigue behavior of the node specimens in the case of a local plastic .

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CLC: > Transportation > Road transport > Bridges and Culverts > Investigation, design and calculation > Bridge Design
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