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An Experimental Basis for Improved Strain-based Design Models

机译:改进的基于应变的设计模型的实验基础

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This paper provides an overview of the initial phase of a large-scaletesting program that is associated with an ongoing, joint industryresearch program, which is intended to advance the state-of-the-art instrain-based design as it pertains to the tensile capacity of girth welds insteel line pipe. The testing program has been designed to explore arange of variables that are known to have a significant impact on axialstrain capacity including the effects of internal pressure, the strainhardening characteristics of the pipe body material, the degree of weldstrength overmatch and the location of the flaw. The paper describesthe type of tests performed, the key considerations in the sizing andinstrumentation of the test specimens, and provides an overview of theresults obtained to date.
机译:本文概述了与正在进行的联合行业研究计划相关的大规模测试计划的初始阶段,该计划旨在推进与拉伸能力有关的最新的基于应变的设计环焊钢制管线管。测试程序旨在探索一系列对轴向应变能力有重大影响的变量,包括内部压力,管体材料的应变硬化特性,焊接强度过度匹配的程度和缺陷位置的影响。本文描述了所进行的测试的类型,测试样本的尺寸和仪器设计中的关键考虑因素,并概述了迄今为止获得的结果。

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