Fatigue testing of subsea pipeline steel connections under combined actions

H. B. Liu, X. L. Zhao, Z. G. Xiao

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

3 Citations (Scopus)

Abstract

This paper describes a set of experimental tests of subsea pipeline steel connections under combined forces: one set of force is fatigue load, which is the simulation of the variation caused by currents or waves flowing across pipelines; another set of force is hoop force, which is constant tension force introduced by internal and external pressures. The steel connections are made of two steel plates joined together by single-sided girth welds. One central notch is machined on the weld toe. The specimens under combined forces are compared with those subjected to fatigue loads alone. It is found that the hoop force could affect the fatigue life of subset pipeline steel connections and also reduce the initiation angle of the crack propagation.

Original languageEnglish
Title of host publicationIncorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials
Pages649-654
Number of pages6
Publication statusPublished - 2011
Externally publishedYes
Event21st Australasian Conference on the Mechanics of Structures and Materials, ACMSM21 - Melbourne, VIC, Australia
Duration: 7 Dec 201010 Dec 2010

Publication series

NameIncorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials

Conference

Conference21st Australasian Conference on the Mechanics of Structures and Materials, ACMSM21
Country/TerritoryAustralia
CityMelbourne, VIC
Period7/12/1010/12/10

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanics of Materials
  • Building and Construction
  • Architecture

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