Abstract
More and more attentions are paid on reliability and sensitivity of space structure in recently years. To investigate the mechanical characteristics of plane steel truss, OpenSees is utilized to evaluate component and system reliability plane steel truss. Accuracy and efficiency of several reliability approaches are comprehensively compared. Physical property, geometric size of members, and external loads and nodal coordinates are treated as random variable. DDM is utilized to compute sensitivity coefficients of random variables. Finally, bounds on the probability of failure of series systems are estimated according to the KHD bounds.
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