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Title:
MANHOLE REINFORCEMENT METHOD AND REINFORCEMENT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/202925
Kind Code:
A1
Abstract:
Provided are a reinforcement method and a reinforcement structure that can sufficiently reinforce a manhole, in which a neck portion is located at a position shifted from the center of an upper floor slab, with respect to the stress received by the embedded manhole, while reducing the operation and material cost of the reinforcement. The method for reinforce a manhole according to the present invention is a method for reinforcing a manhole including a rectangular trunk portion including an upper floor slab, a side wall, and a lower floor slab, and a neck portion located at a position shifted from the center of the upper floor slab of the trunk portion, wherein a reinforcing fiber-made band-shaped reinforcing material is provided at the upper floor slab and the lower floor slab, without providing the band-shaped reinforcing material at the side wall, and the upper part of the side wall and the upper floor slab, and the lower part of the side wall and the lower floor slab are fixed by respective reinforcing members at the central portion at the side wall in the longitudinal direction of the trunk portion.

Inventors:
FUJIMOTO Norihiro (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
NAGAI Tomoyasu (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
TSUDA Shunsuke (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
SUGIURA Takashi (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
Application Number:
JP2019/012769
Publication Date:
October 24, 2019
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (5-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 16, 〒1008116, JP)
International Classes:
E02D29/12
Foreign References:
JP2012229562A2012-11-22
JP2008002175A2008-01-10
JP2005048399A2005-02-24
JP2002129589A2002-05-09
JP2010189857A2010-09-02
US20070214732A12007-09-20
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigaseki, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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