AAR/ARCI Freight Car Fatigue Task Force II - Marts-rail.org
AAR/ARCI Freight Car Fatigue Task Force II - Marts-rail.org
AAR/ARCI Freight Car Fatigue Task Force II - Marts-rail.org
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Revised <strong>AAR</strong> Specification<br />
M-1001 Chapter V<strong>II</strong><br />
<strong>Fatigue</strong> Analysis Calculation Method<br />
♦Method M d by original i 1970’s <strong>Task</strong> <strong>Force</strong><br />
retained<br />
♦Updated Empty-Load Ratios<br />
♦Retained Miner’s Rule, the most commonly<br />
used cumulative damage theory to calculate<br />
fatigue damage<br />
♦Added Section 7.7: Guidelines for FEA<br />
♦Retained original joint configurations<br />
♦Identified new joint configurations to add<br />
later<br />
♦Retained original REPOS until updates are<br />
done<br />
®<br />
© TTCI/<strong>AAR</strong>, 2010, Filename p12
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