Title:
桁架け替え方法及び橋脚撤去方法
Document Type and Number:
Japanese Patent JP7386824
Kind Code:
B2
Abstract:
To provide a girder replacement method and a bridge pier removal method capable of improving the workability of replacement work and improving earthquake resistance.SOLUTION: A girder replacement method according to an embodiment of the present invention is a girder replacement method for an existing river crossing bridge including the steps of: installing a new main girder base 10 for raising a foundation on an existing bridge pier 2; erecting a new girder 13 on the new main girder base 10; installing a new sleeper bearing girder 11 on the new girder 13; and removing an existing girder 3 attached to the existing bridge pier 2.SELECTED DRAWING: Figure 10
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Inventors:
Yusuke Ide
Shinichi Tajima
Hironobu Hayashi
Hiroyuki Ito
Masayuki Kanda
Susumu Nakajima
Taisuke Sanagawa
Tatsutaka Fujimoto
Shinichi Tajima
Hironobu Hayashi
Hiroyuki Ito
Masayuki Kanda
Susumu Nakajima
Taisuke Sanagawa
Tatsutaka Fujimoto
Application Number:
JP2021024523A
Publication Date:
November 27, 2023
Filing Date:
February 18, 2021
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
Railway Technical Research Institute
Railway Technical Research Institute
International Classes:
E01D21/00; E01D19/12; E01D22/00; E01D24/00
Domestic Patent References:
| JP2009228300A | ||||
| JP2002194704A | ||||
| JP2000008304A | ||||
| JP8144205A | ||||
| JP2002097608A | ||||
| JP2009228301A | ||||
| JP2020002670A | ||||
| JP9203011A |
Foreign References:
| US20190016568 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Hiroshi Kondo
Yumoto Joji
Yoshiki Kuroki
Hiroshi Kondo
Yumoto Joji