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Title:
FLOOR SLAB REPLACEMENT STRUCTURE AND FLOOR SLAB REPLACEMENT METHOD
Document Type and Number:
Japanese Patent JP2018062786
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a floor slab replacement structure and a floor slab replacement method capable of reducing the effect on traffic regulations while ensuring a sufficient load bearing capacity for a newly provided floor slab with an existing steel girder.SOLUTION: A floor slab replacement structure 1 applying the present invention is used when replacing a floor slab, and comprises: a plurality of existing steel girders 7 installed under an existing floor slab 6; and a new floor slab 2 supported by the existing steel girders 7 in a state where the existing floor slab 6 has been replaced. The existing steel girders 7 are arranged at both ends of a width direction Y in a range where the existing floor slab 6 has been removed. A new upper flange 3 is installed on one of the existing steel girders 7 while an additional upper flange 4 projecting laterally, is installed on the other one of the steel girders 7. One of end parts 2a of the new floor slab 2 in the width direction Y, in the range where the existing floor slab 6 has been removed, is supported by either one or both of the new upper flange 3 and the steel girder 7 above the one of the steel girders 7; while the other one of the end parts 2b in the width direction Y is supported by the additional upper flange 4 beside the other one of the existing steel girders 7.SELECTED DRAWING: Figure 4

Inventors:
YOKOZEKI KOICHI
TOMINAGA NORIYOSHI
Application Number:
JP2016201535A
Publication Date:
April 19, 2018
Filing Date:
October 13, 2016
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP
International Classes:
E01D19/12; E01D1/00; E01D22/00; E01D24/00
Domestic Patent References:
JP5878657B12016-03-08
JP2007239365A2007-09-20
JP2003082617A2003-03-19
JPH083938A1996-01-09
JP2006299737A2006-11-02
JP2001081726A2001-03-27
JP2014020163A2014-02-03
Foreign References:
US5978997A1999-11-09
Attorney, Agent or Firm:
Yasuhiko
Kota Watanabe



 
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