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
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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