Verification criteria for secondary stress in pipelines

2017-01-10View Original

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What are the formula expressions for (131.2 MPa), (298.4 MPa) and (187.9 MPa)? Thank you! Longitudinal stress due to pressure and weight: 131.2 MPa. Longitudinal stress due to full liberal displacement: stress range of 298.4 MPa. Longitudinal stress due to occasional loads: 187.9 MPa

Reply #22017-01-10

GB50316, GB/T20801, and ASME B31.3 are all available; you need to be able to understand them. I recommend that you take a look at Tang Yongjin’s stress analysis of pressure pipes; first, learn what secondary stress is.

Reply #32017-01-16

I was trying to help everyone understand the origin of these criteria for determining stress in English; thanks again for reminding me

Reply #42017-01-16

My apologies! It’s Old Hai Chuan after all; I thought it was a newcomer!

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Verification criteria for secondary stress in pipelines

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