A STUDY ON THE INSPECTION AND ADJUSTMENT OF RAIL JOINT GAP FOR THE SAFETY OF TRAIN OPERATION

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  • 列車走行安全のためのレール継ぎ目遊間の管理に関する研究
  • レッシャ ソウコウ アンゼン ノ タメ ノ レール ツギメユウカン ノ カンリ

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In this study, the existing inspection and adjustment method of rail joint gap is evaluated by comparing the degree of danger calculated from the existing method with that calculated from the computer simulation using the Monte Carlo method. In conclusion, it can be verified that the degree of danger calculated from the existing method is sufficiently reliable in the range of dangerous area where the risk of track buckling (sun kink) is very high. It can also be indicated theoretically that after the existing method was introduced to JNR track maintenance, probability of occurring of track buckling has been drastically reduced.

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