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Title:
PC SLEEPER
Document Type and Number:
Japanese Patent JP2015140590
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a PC sleeper having a detection part capable of easily detecting abrasion of a bottom surface of a sleeper body.SOLUTION: The detection part comprises: a detection needle 11 exposed to an upper surface 2b of a sleeper body 2, having the length whose other end side reaches near the bottom surface on the opposite side of its upper surface and also provided so as to prevent adhesin with concrete for forming the sleeper body 2; an anchor plate 12 provided on the other end side of the detection needle 11 and disposed in the sleeper body 2; and a holding member 13 provided on an upper surface side surface of the sleeper body 2 of the anchor plate 12 and composed of an elastically deformable construction material.

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Inventors:
WATANABE TSUTOMU
SOGABE MASAMICHI
TOKUNAGA MUNEMASA
Application Number:
JP2014014582A
Publication Date:
August 03, 2015
Filing Date:
January 29, 2014
Export Citation:
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Assignee:
RAILWAY TECHNICAL RES INST
International Classes:
E01B3/34
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Yasuhiko Murayama



 
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