Indexed by:期刊论文

Date of Publication:2022-06-29

Journal:石油化工设备

Affiliation of Author(s):化工学院

Issue:6

Page Number:38-41

ISSN No.:1000-7466

Abstract:The load ratio is a required parameter in safety assessment of defective structures. Under actual working conditions,the defective structures are usually subjected to multi-loads combination.However,the calculation methods of load ratio have not been available in the condi-tion of multi-loads.The unit sphere method suitable for multi-loads conditions was raised.By e-lastic-plastic method,the assumption of unit sphere model was validated in the case of elbow with circumferential through crack.

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