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Study on EPRI Engineering Estimate Approach
Author(s): 
Pages: 23-28
Year: Issue:  1
Journal: Proceedings of the CSEE

Keyword:  裂纹扩展紧凑拉伸试件工程估算EPRI弹塑性断裂力学小范围屈服电力研究院裂纹长度安全评定裂尖;
Abstract: This paper studied and discussed "Engineering Estimate Approach" by EPRI for safety assessment of pressure vessel and piping. Crack initiation and stable crack growth, as well as instable load were calculated using compact specimdn,12Cr1MoV piping steel of power station- The result of calculating compared with actual measure is shown that evaluating the safety of crack is feasible. The approach is applied to elasticpJastic condition from less limit yield to fully plastic yield. The approch is quick and handy of safety-assessment.
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