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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>HIGH CYCLE FATIGUE CRACK PROPAGATION UNDER RANDOM AND CONSTANT AMPLITUDE LOADINGS</title>
      <link>https://trid.trb.org/View/47097</link>
      <description><![CDATA[This paper essentially summarizes work carried out during the period 1963--1973 into the constant and random amplitude fatigue crack propagation performance of a mild steel at ambient temperature.  Conventional fracture mechanics parameters are shown to describe the process of propagation under a variety of mean stress intensity conditions. Calculations of random amplitude progagation using "laws" determined from the constant amplitude data are shown to be in agreement with experimental results.  This agreement of calculation and experiment gives confidence in the use of these calculation principles for reactor applications outside direct experimentation.]]></description>
      <pubDate>Tue, 26 Oct 1976 00:00:00 GMT</pubDate>
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      <title>STRESS DISPLACEMENT, LINE INTEGRAL AND CLOSURE ENERGY DETERMINATIONS OF CRACK TIP STRESS INTENSITY FACTORS</title>
      <link>https://trid.trb.org/View/26790</link>
      <description><![CDATA[Finite element and other methods for the determination of the stress intensity factor at the tip of a crack are reviewed.  These methods include those which involve the determination of: (1) the normal stresses in the plane of the crack beyond the crack tip; (2) the crack opening displacements; (3) Rice's J integral; and (4) the crack closure energy.  All the methods are applied to the same cracked plate and a comparison study of the results shows them to be consistent and within normal engineering accuracy requirements of plus minus 3%.  The usefulness of the crack closure energy method in nonlinear elastic-plastic situations is discussed.]]></description>
      <pubDate>Mon, 19 May 1975 00:00:00 GMT</pubDate>
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      <title>TECHNICAL APPLICATION OF FRACTURE MECHANICS TO THIN-WALLED STRUCTURES</title>
      <link>https://trid.trb.org/View/20101</link>
      <description><![CDATA[This paper reveiws recent developments in the application of fracture mechanics to such structures as welded steel tanks, ships, and thin-wall pressure vessels, with particular attention to Japanese work.  It describes methods for estimating critical crack size and safe working conditions, taking into account such fabrication variables as angular distortion, welding residual stress, prestrain, plate curvature and stress concentration.  While most of the paper is devoted to a consideration of the conditions for crack instability, it also discusses crack arrest and gives experimental results for the effect of thickness on both initiation and arrest.]]></description>
      <pubDate>Tue, 22 Oct 1974 00:00:00 GMT</pubDate>
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      <title>CRACK GROWTH MONITORING BY STRAIN SENSING</title>
      <link>https://trid.trb.org/View/19288</link>
      <description><![CDATA[A simple method, based on the changes in strain pattern which are induced in a body by crack extension, is proposed for the measurement and sensing of crack growth. Experimental evidence is presented to demonstrate its ability to monitor the growth of cracks emanating at the surface of thick-walled cylinders and to detect crack instability during fracture toughness tests.]]></description>
      <pubDate>Mon, 15 Jul 1974 00:00:00 GMT</pubDate>
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