Title:
BRIDGE STRUCTURE AND FLOOR SLAB REPLACEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2020/225930
Kind Code:
A1
Abstract:
The present invention is provided with: a remaining reinforced concrete (21) obtained as a remainder by removing portions other than the portion provided on the upper surface side of a main girder upper flange (11b) of a reinforced concrete floor slab (14); a removed part (20) obtained by removing portions other than the portion provided on the upper surface side of the main girder upper flange (11b); and a steel floor slab (30) installed in the removed part (20) so as to cover the remaining reinforced concrete (21), wherein the steel floor slab (30) has a lateral rib (33) which is installed on the lower surface side of a deck plate (31) and has, in the bridge width direction, one end surface or both end surfaces facing a web surface of a main girder web (11a) of the closest main girder (11), an end section of the lateral rib (33) is rigidly coupled to the closest main girder web (11a), and the main girder (11) and the steel floor slab (3) are coupled by means of a shear force transmitting member (50).
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Inventors:
TOMINAGA TOMONORI (JP)
YOKOZEKI KOICHI (JP)
SEYA KAZUHIKO (JP)
TAKEUCHI DAISUKE (JP)
TONEGAWA TARO (JP)
OKABE KEN (JP)
YOKOZEKI KOICHI (JP)
SEYA KAZUHIKO (JP)
TAKEUCHI DAISUKE (JP)
TONEGAWA TARO (JP)
OKABE KEN (JP)
Application Number:
PCT/JP2019/029007
Publication Date:
November 12, 2020
Filing Date:
July 24, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
E01D22/00; E01D19/12
Foreign References:
| JP2019065675A | 2019-04-25 | |||
| JP2016194215A | 2016-11-17 | |||
| JP2007327256A | 2007-12-20 | |||
| JP2018059312A | 2018-04-12 | |||
| US6857156B1 | 2005-02-22 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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