Title:
REINFORCING STRUCTURE, REINFORCING MEMBER, AND REINFORCING METHOD
Document Type and Number:
Japanese Patent JP2023067785
Kind Code:
A
Abstract:
To provide a reinforcing member of a steel member capable of preventing dead load at joints of steel members from increasing, and facilitating reinforcement.SOLUTION: A reinforcing structure 100 in an embodiment comprises a cross-sectional I-shaped steel girder 5 having a flange 51 and a vertical stiffener 54 to be joined to the flange 51, and a reinforcing member 1 for reinforcing the cross-sectional I-shaped steel girder 5. The reinforcing member 1 has an FRP plate material 2 in which a plurality of unidirectional fiber sheets is laminated. The FRP plate material 2 is formed with a pair of attached portions 23 formed on both sides of the vertical stiffener 54 and attached to the flange 51, and a bypass portion 24 for connecting the pair of attached portions 23 by bypassing the vertical stiffener 54. A fiber orientation in the FRP plate material 2 has a main direction from one attachment portion 23a to the other attachment portion 23b and at least two directions different from the main direction.SELECTED DRAWING: Figure 8
Inventors:
SAKURAI SHUNTA
HIDEKUMA YUYA
HIDEKUMA YUYA
Application Number:
JP2022166546A
Publication Date:
May 16, 2023
Filing Date:
October 17, 2022
Export Citation:
Assignee:
NIPPON STEEL CHEMICAL & MAT CO LTD
International Classes:
E01D22/00; E01D1/00; E04G23/02
Attorney, Agent or Firm:
Yasuhiko Moto
Yuhisa Uchida
Yuhisa Uchida