IMECH-IR  > 非线性力学国家重点实验室
Failure Assessment for the High-Strength Pipelines with Constant-Depth Circumferential Surface Cracks
Liu X; Lu ZX; Chen Y(陈艳); Sui YL; Dai LH(戴兰宏)
Source PublicationADVANCES IN MATERIALS SCIENCE AND ENGINEERING
2018-02-18
Pages2089514
ISSN1687-8434
AbstractIn the oil and gas transportation system over long distance, application of high-strength pipeline steels can efficiently reduce construction and operation cost by increasing operational pressure and reducing the pipe wall thickness. Failure assessment is an important issue in the design, construction, and maintenance of the pipelines. The small circumferential surface cracks with constant depth in the welded pipelines are of practical interest. This work provides an engineering estimation procedure based upon the GE/EPRI method to determine the J-integral for the thin-walled pipelines with small constant-depth circumferential surface cracks subject to tension and bending loads. The values of elastic influence functions for stress intensity factor and plastic influence functions for fully plastic J-integral estimation are derived in tabulated forms through a series of three-dimensional finite element calculations for different crack geometries and material properties. To check confidence of the J-estimation solution in practical application, J-integral values obtained from detailed finite element (FE) analyses are compared with those estimated from the new influence functions. Excellent agreement of FE results with the proposed J-estimation solutions for both tension and bending loads indicates that the new solutions can be applied for accurate structural integrity assessment of high-strength pipelines with constant-depth circumferential surface cracks.
DOI10.1155/2018/2089514
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000426635900001
WOS KeywordESTIMATION SCHEMES ; WALLED PIPES ; LIMIT LOADS ; CYLINDERS ; COD
WOS Research AreaMaterials Science, Multidisciplinary
WOS SubjectMaterials Science
Funding OrganizationNational Key Research and Development Program of China [2017YFB0702003] ; Nature Science Foundation of China [11132011, 11472287, 11572324] ; Key Research Program of Frontier Sciences [QYZDJSSW-JSC011] ; Chinese Academy of Sciences [XDB22040302, XDB22040303] ; CAS-SAFEA International Partnership Program for Creative Research Teams
ClassificationQ3
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77953
Collection非线性力学国家重点实验室
Affiliation1.[Liu, X.
2.Lu, Z. X.] Beijing Univ Aeronaut & Astronaut, Inst Solid Mech, Beijing 100191, Peoples R China
3.[Chen, Y.
4.Dai, L. H.] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
5.[Chen, Y.
6.Dai, L. H.] Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China
7.[Sui, Y. L.] China Natl Petr Corp, Pipeline Res Inst, Langfang 065000, Peoples R China
Recommended Citation
GB/T 7714
Liu X,Lu ZX,Chen Y,et al. Failure Assessment for the High-Strength Pipelines with Constant-Depth Circumferential Surface Cracks[J]. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING,2018:2089514.
APA Liu X,Lu ZX,陈艳,Sui YL,&戴兰宏.(2018).Failure Assessment for the High-Strength Pipelines with Constant-Depth Circumferential Surface Cracks.ADVANCES IN MATERIALS SCIENCE AND ENGINEERING,2089514.
MLA Liu X,et al."Failure Assessment for the High-Strength Pipelines with Constant-Depth Circumferential Surface Cracks".ADVANCES IN MATERIALS SCIENCE AND ENGINEERING (2018):2089514.
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