梁の補強部材およびこれを用いた梁の補強方法

Reinforcing member for beam and reinforcing method for beam using the member

Abstract

PROBLEM TO BE SOLVED: To provide a reinforcing member for a beam and a reinforcing method for a beam using the member capable of enhancing the flexural rigidity of the beam by constituting a form made of FRP member having a specified thickness so as to extend along the outside shape of the beam. SOLUTION: The reinforcing member is provided with webs 10 arranged along the side faces 11a, 11b of the beam 11, a first flange 10b arranged along the under face 11c of the beam 11, and a second flange 10c arranged parallel to the first flange 10b with a specified distance δ and is integrally formed of a FRP member having an F-shaped section as a whole. The reinforcing members 10 are disposed opposite to each other at both sides so as to sandwich the beam between the flanges. Respective webs 10a are stuck to both side faces 11a, 11b of the beam 11 and respective first flanges 10b are stuck to the under face 11c of the beam 11 through an adhesive respectively.
(57)【要約】 【課題】 FRP材を用いて梁の外側形状に沿うように 所定厚みをもった型材として構成することにより、梁の 曲げ剛性をも高めることができる梁の補強部材およびこ れを用いた梁の補強方法を提供する。 【解決手段】 梁11の側面11a,11bに沿う方向 に配置されるウエブ10aと、梁11の下面11cに沿 う方向に配置される第1フランジ10bと、この第1フ ランジ10bと所定間隔δを設けて平行に配置される第 2フランジ10cとを備えて、全体として断面F字状の FRP材で一体に形成する。そしてこの補強部材10 を、梁11を挟んでその両側に対向配置するとともに、 それぞれのウエブ10aを梁11の両側面11a,11 bに、かつ、それぞれの第1フランジ10bを梁11の 下面11cに接着剤12を介して貼り付ける。

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    JP-2008261219-AOctober 30, 2008Ohbayashi Corp, 株式会社大林組Member reinforcing structure and reinforcing method