Verification Analysis of X70 Type B Sleeve for In-service Pipeline Repair

Wang, Gaofeng; Ren, Guang‐Jie; Deng, Bo; Zhang, Liang; Jia, Peng

doi:10.1007/s11668-023-01655-2

Cited by 1 publication

(2 citation statements)

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“…SIF stands for stress intensity factor. The fitting equation is shown in Equation ( 8): K = 159.59 − 7.14s + 0.117s 2 (8) where K is the maximum stress intensity factor and s is the stress intensity factor calculated by Sy/t6477. The formula for the maximum stress intensity factor predicted by Sy/t6477 after considering the crack angle and crack location is shown in Equation ( 9): Coatings 2024, 14, 560…”

Section: Effect Of Crack Locationmentioning

confidence: 99%

“…Traditional repair methods necessitate ceasing pipeline transportation and pressure, actions that can lead to both environmental pollution and economic losses. As an effective in-service welding repair method, B-sleeve repair technology can effectively overcome these two problems, so it is gradually becoming the main repair method [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Finite Element Analysis Study of Buried Crack Defects in B-Sleeve Fillet Welds

Zhang,

Wei,

et al. 2024

Coatings

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Since it is difficult to study the influence of different defect characteristics on the stress intensity factor of B-type sleeve fillet welds via experiments, this paper adopts ABAQUS finite element analysis software(Version 2019) to model the B-type sleeve fillet welds and studies the stress and stress intensity factor under different crack lengths, heights, and angles. The simulation results showed that with the increase in crack length and depth, the maximum stress intensity factor gradually increased, and with the increase in the crack inclination angle, the maximum stress intensity factor first increased and then decreased.

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Section: Effect Of Crack Locationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%