发明名称 LABOR SAVING TRACK HAVING HIGH FLEXURAL STRENGTH
摘要 PROBLEM TO BE SOLVED: To provide a labor saving track having excellent flexural strength even at young material age time of about 1 to 2 hours after construction. SOLUTION: This labor saving track has a structure including a track panel composed of nonwoven fabric laid in an excavated part of track bed ballast, crushed stones compacted on the nonwoven fabric, a filled layer composed of a filler poured into a clearance of the crushed stones, and a sleeper and a rail installed on the filled layer. In this labor saving track having high flexural strength, a reinforcing bar is buried in parallel with the rail in a part positioned in a lower part of the sleeper in the filled layer or the filled layer includes short fibers. COPYRIGHT: (C)2003,JPO
申请公布号 JP2003206501(A) 申请公布日期 2003.07.25
申请号 JP20020003219 申请日期 2002.01.10
申请人 SUMITOMO OSAKA CEMENT CO LTD;EAST JAPAN RAILWAY CO 发明人 OKAMURA TATSUYA;YOSHIHARA MASAHIRO;UCHISAWA TSUKASA;YASUI TOYOJI;HARADA AKIHISA;NAKAGAWA MASAYA
分类号 E01B1/00;E01B2/00;(IPC1-7):E01B1/00 主分类号 E01B1/00
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