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Title:
JIG AND TEST METHOD FOR TESTING RAILROAD TIE PAD
Document Type and Number:
Japanese Patent JP2017072451
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a jig and a test method for testing railroad tie pad capable of stably carrying out an objective test on a railroad tie pad relevant to compression characteristics by maintaining the support status of the railroad tie pad in a reproducible state.SOLUTION: The jig for testing railroad tie pad is used for testing compression characteristics of a railroad tie pad. A prototype of a ballast base, on which the railroad tie pad is placed, is produced and subsequently a sand mold is produced from the prototype. A ballast replica loading plate 1 with grips 2, which has convexoconcave identical to convexoconcave of the ballast, is produced using the sand mold.SELECTED DRAWING: Figure 3

Inventors:
SUZUKI MINORU
SATO DAIGO
MAMADA SHOGO
NAKAMURA TAKAHISA
ITO ITSUKI
MOMOTANI YOSHITSUGU
YAGUCHI NAOYUKI
Application Number:
JP2015198693A
Publication Date:
April 13, 2017
Filing Date:
October 06, 2015
Export Citation:
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Assignee:
RAILWAY TECHNICAL RES INST
International Classes:
G01N3/32; G01N3/08
Domestic Patent References:
JPH02124442A1990-05-11
JPS6459139A1989-03-06
Other References:
須江政喜 ほか: "理想的なまくらぎ(Ideal−MAKURAGI)の開発", JR EAST TECHNICAL REVIEW, vol. No.48, JPN7018002805, 2014, pages 61−66頁
Attorney, Agent or Firm:
Patent Business Corporation Intect International Patent Office
Yoshinori Ishibashi