Title: Reliability analysis of imperfect structural system stiffness
Abstract: Based on reliability analysis method of structural strength.The reliability analysis method of imperfect structural stiffness is proposed.In this paper,the imperfect structure is defined as structure of partial elements failure,but the structure does not yield a collapse mechanism and still has bearing capability.This method considered failure of element as strength influencing on the reliability of imperfect structural stiffness.Failure probability of imperfect structural stiffness was given in the form of conditional probability.Equivalent safe margin of conditional probability was induced;accordingly relativity of failure modes and failure probability of stiffness could be calculated at the each failure state.A numerical example is analyzed.It is showed that such analysis is suitable for real reliability cases at the each failure state before the structure yield a collapse mechanism.The results are instructive for structures in rational use.
Publication Year: 2004
Publication Date: 2004-01-01
Language: en
Type: article
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