Abstract
Based on the mechanical properties of steel cable under the high temperature test results, the mechanical properties, such as yield strength, modulus of elasticity of steel cable and its mechanics model were obtained. Nonlinear numerical analysis method was established based on the time integral effect. Through the analysis of the suspen-dome structure, this paper discusses the characteristics of temperature field distribution, displacement and stress. The results show that: suspen-dome structure has better spatial work performance; the weak area of the structure is at the central, the main reason of large deformation is the reduction of stiffness and strength.
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