STUDY ON BALLASTLESS TRACK REUSING EXISTING BALLAST WITH HIGH FINE-PARTICLE CONTENT

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  • 細粒分含有率が高いバラストを活用したてん充道床軌道に関する研究
  • サイリュウ ブン ガンユウリツ ガ タカイ バラスト オ カツヨウ シタテンジュウドウショウ キドウ ニ カンスル ケンキュウ

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Abstract

 In this study, we developed the new ballstless track reusing existing ballast with high fine-particle content. Superfine-particle cement milk was applied as the grout material for the ballastless track. It was confirmed that superfine-particle cement milk showed high filling performance for degraded ballast and had early strength development. We carried out the cyclic loading test for full-scale track model and confirmed the high restraining effect on track settlement.

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