... Abstract In strain-based design and assessment, accurate measurement of pipe longitudinal strain demand is a key element in performing proper strain assessments. Quick pipeline strain assessments are usually needed after widespread natural disasters such as earthquakes or heavy rainfalls...

... Abstract Strain-based design (SBD) method has evolved over the years for use in the construction of large-diameter, high pressure gas and liquid transmission pipelines. It has not been widely materialized for major construction projects because of the technical complexity which requires...

..., especially when anisotropy is present. High Strength Steel Linepipes Strain-based Design Compressive Strain Limit Local Buckling Material Anisotropy A PARAMETRIC STUDY ON BUCKLING RESPONSE OF HIGH STRENGTH STEEL PIPES WITH ANISOTROPIC MATERIAL PROPERTIES Ali Fathi WorleyParsons Canada Edmonton...

... driving force and material’s toughness. This paper covers principally the crack driving force. The significance and determination of material’s toughness are covered in the companion papers [1,2]. Strain-based design tensile strain capacity tensile strain models crack driving force crack tip...

... predictions. The TSC models produce consistent results that capture the overall trend of the test data. Strain-based design tensile strain capacity full-scale test curved wide plate test TSC model evaluation MULTI-TIER TENSILE STRAIN MODELS FOR STRAIN-BASED DESIGN PART 3 MODEL EVALUATION...

... Pipelines may experience high longitudinal strains from seismic events, frost heave, thaw settlement, unstable slopes, and mine subsidence, etc.. Those strains could be well beyond the elastic limit of the materials and the strain based design (SBD) criteria must be used. Most work on the SBD...

... of strain-based design. The central part of the paper is then devoted to the tensile strain capacity, including (1) physical process of tensile strain failure, (2) limit states of tensile strain failure and associated toughness representation, and (3) fundamental basis of tensile strain models. The most...

... Strain-based design (SBD) pipelines are being considered to develop hydrocarbon resources in severe environments. As part of a research program to develop a SBD methodology, work was conducted to develop a suitable fracture mechanics test that can be used as part of a strain capacity prediction...

... developed from various current and past research programs. The trends exhibited by the various forms of specimens are examined. The implications of those trends in the strain-based design of pipelines are summarized at the end of the paper. 07 04 2011 Pipeline strain-based design girth...

... Tensile strain design is an essential element of the overall strain-based design methodology. This paper focuses on the apparent toughness approach and introduces the concept of apparent CTOD resistance curve (CTOD R ). The determination of apparent toughness, CTOD A , from the apparent CTOD R...

... yields representative pipe strain measurements. 07 04 2011 strain-based design curved wide plate test pipe strain measurement 1 Copyright © 2010 by ASME Proceedings of the 8th International Pipeline Conference IPC2010 September 27-October 1, 2010, Calgary, Alberta, Canada IPC2010...

... The need to use strain-based design is growing due to potential pipeline projects in environments that include permafrost, offshore ice hazards, active seismic areas and high temperature/high pressure operations. Proper design and construction of such pipelines poses numerous special challenges...

.... In addition, a conclusion can be drawn that the application of strain-based design gives full play to the advantage of self-bearing ability, and the allowable length of subsidence imposed on pipeline is increased. 07 04 2011 Oil and Gas Pipeline Mining Subsidence Strain-Based Design Tensile...

... Tensile strain capacity (TSC) is a critical component of the strain-based design of pipelines. TSC is affected by a number of material parameters, such as the strain hardening rate, weld strength mismatch, and toughness. Girth weld high-low misalignment, internal pressure, and flaw size...

... with considerations of practical implementation of the findings presented in the early part of the paper. Recommendations are made to effectively deal with some of the challenging issues related to the specification and measurement of tensile properties for strain-based design. 07 04 2011 Pipeline...

... Various industry efforts are underway to improve or develop new methods to address the design of pipelines in harsh arctic or seismically active regions. Reliable characterization of tensile strain capacity of welded pipelines is a key issue in development of strain-based design methodologies...

... determination of compressive strain limits of pipelines. 10 07 2009 Pipeline Strain-Based Design Compressive Strain Limit Girth Weld Proceedings of IPC2008 7th International Pipeline Conference September 29-October 3, 2008, Calgary, Alberta, Canada I an et Fuxue Road 18, Changping, 1022491...

... in this paper may lay the initial basis for the quantitative determination of tensile strain limits to pipelines. 10 07 2009 Pipeline Strain-Based Design Tensile Strain Limit Girth Weld Proceedings of IPC2008 7th International Pipeline Conference September 29-October 3, 2008, Calgary...

... be maintained in both the girth weld metal and the associated heat affected zone (HAZ) regions, particularly in strain-based designs in which significant longitudinal strains are anticipated. The measured toughness of the heat-affected zone (HAZ) is affected by base metal chemistry, welding procedure...

.... The purpose of this paper is to describe the effect of the interrelation between the pipe and weld metal post-yield characteristics on the straining capacity of girth welds containing a defect. 10 12 2008 girth weld strain-based design weld mismatch uniform elongation defect size yield...