Confirmation of the effect of track specifications on detecting unsupported sleepers and building a calculation method for practical work

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  • 浮きまくらぎ検出に対する各種軌道諸元の影響確認と実務適用に向けた計算手法の構築
  • ウキマクラギ ケンシュツ ニ タイスル カクシュ キドウ ショゲン ノ エイキョウ カクニン ト ジツム テキヨウ ニ ムケタ ケイサン シュホウ ノ コウチク

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Abstract

<p>Unsupported sleepers cause various problems in track management. Although authors have developed a method for detecting them accurately composed of a 2D FEM model in which track longitudinal irregularity data and track specifications are used, there was a problem in that the model requires great effort setting the strict track condition of commercial lines for its practical application. Therefore, we examined the effect of track specifications’ variation on the calculation of unsupported sleepers, and confirmed that the effect of the detection accuracy of unsupported sleepers is small. Then, we built a calculation method of detecting unsupported sleepers more easily for practical work, confirmed its accuracy, and proposed its proper usage.</p>

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