Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
DESIGN METHOD FOR STEEL BOX GIRDER AND STEEL BOX GIRDER
To provide a design method for a steel box girder and a steel box girder capable of omitting a horizontal stiffening material to a web plate without increasing the thickness of the web plate as much as specified in the Specifications for highway bridges.SOLUTION: A design method for a steel box girder includes the step for confirming, by FEM analysis, that: when a load which is obtained by multiplying a steel weight as a pre-dead load by a load magnification α is applied to a steel box girder 10 while increasing the load magnification α, in a state where the steel box girder 10 is erected as a superstructure of a bridge, and after bending buckling or shearing buckling is generated in a first web plate 16 and a second web plate 18, overall buckling is generated in a compression flange which is a portion where compression force is generated among portions of an upper side flange 14 and a lower side flange 12, and the steel box girder 10 reaches an ultimate state.SELECTED DRAWING: Figure 1
【課題】腹板厚を道路橋示方書の規定ほどには大きくせずに、腹板への水平補剛材の省略を可能とした鋼製箱桁の設計方法および鋼製箱桁を提供する。【解決手段】鋼製箱桁１０が橋梁の上部工として架設された状態において、該鋼製箱桁１０に、前死荷重である鋼重に荷重倍率αを乗じた荷重を、前記荷重倍率αを増大させつつ加えていったとき、第１の腹板１６および第２の腹板１８に曲げ座屈またはせん断座屈が生じた後、上側フランジ１４及び下側フランジ１２の部位のうち、圧縮力が生じている部位である圧縮フランジに全体座屈が生じて鋼製箱桁１０が終局状態に達することをＦＥＭ解析で確認する工程を有する。【選択図】図１
DESIGN METHOD FOR STEEL BOX GIRDER AND STEEL BOX GIRDER
To provide a design method for a steel box girder and a steel box girder capable of omitting a horizontal stiffening material to a web plate without increasing the thickness of the web plate as much as specified in the Specifications for highway bridges.SOLUTION: A design method for a steel box girder includes the step for confirming, by FEM analysis, that: when a load which is obtained by multiplying a steel weight as a pre-dead load by a load magnification α is applied to a steel box girder 10 while increasing the load magnification α, in a state where the steel box girder 10 is erected as a superstructure of a bridge, and after bending buckling or shearing buckling is generated in a first web plate 16 and a second web plate 18, overall buckling is generated in a compression flange which is a portion where compression force is generated among portions of an upper side flange 14 and a lower side flange 12, and the steel box girder 10 reaches an ultimate state.SELECTED DRAWING: Figure 1
【課題】腹板厚を道路橋示方書の規定ほどには大きくせずに、腹板への水平補剛材の省略を可能とした鋼製箱桁の設計方法および鋼製箱桁を提供する。【解決手段】鋼製箱桁１０が橋梁の上部工として架設された状態において、該鋼製箱桁１０に、前死荷重である鋼重に荷重倍率αを乗じた荷重を、前記荷重倍率αを増大させつつ加えていったとき、第１の腹板１６および第２の腹板１８に曲げ座屈またはせん断座屈が生じた後、上側フランジ１４及び下側フランジ１２の部位のうち、圧縮力が生じている部位である圧縮フランジに全体座屈が生じて鋼製箱桁１０が終局状態に達することをＦＥＭ解析で確認する工程を有する。【選択図】図１
DESIGN METHOD FOR STEEL BOX GIRDER AND STEEL BOX GIRDER
鋼製箱桁の設計方法および鋼製箱桁
YAMAGUCHI TAKASHI (Autor:in) / ADACHI JUNICHI (Autor:in) / FUNAYAMA KOHEI (Autor:in) / ARAI SHINTARO (Autor:in) / TAKAO MICHIAKI (Autor:in)
18.02.2022
Patent
Elektronische Ressource
Japanisch
IPC:
E01D
BRIDGES
,
Brücken
Fixture of the steel girder Construction method of steel girder and Steel girder
| Europäisches Patentamt | 2016
Steel girder erection method of steel truss girder bridge
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2023
METHOD FOR DESIGNING STEEL BOX GIRDER AND STEEL BOX GIRDER
| Europäisches Patentamt | 2023