STEEL BEAM LATERAL REINFORCEMENT RIGID STRUCTURE AND METHOD OF CONNECTING BEAM SLAB OF BUILDING: Fid-Bau Portal

STEEL BEAM LATERAL REINFORCEMENT RIGID STRUCTURE AND METHOD OF CONNECTING BEAM SLAB OF BUILDING

KODA TERUHISA / MORIOKA KENZO / KOBAYASHI TOMOKI / HARADA HIROYUKI

PROBLEM TO BE SOLVED: To provide a lateral reinforcement rigid structure of a steel beam easy-to-work and capable of preventing an increase in steel frame amount or processing labor for steel beam.SOLUTION: The lateral reinforcement rigid structure includes a first lateral reinforcement steel member 20 which is disposed at a portion of a steel beam 3 in an axial direction and fixed to a slab 4. The first lateral reinforcement steel member 20 includes right and left side reinforcement steel parts 21, 21. The right and left side reinforcement steel parts 21, 21 include: right and left attached plate members 22, 22 extending parallel to each other in the axial direction and a vertical direction of the steel beam 3, interposing an upper flange 11 therebetween from right and left, and being fixed to a lower flange 12; right and left overhang plate members 23, 23 extending in the axial direction and a horizontal direction of the steel beam 3 while extending outward from upper ends of the right and left attached plate members 22, 22; and a fixed member (25) extending from the upper plane of the overhang plate member 23 and fixed to the slab 4.SELECTED DRAWING: Figure 2

【課題】鉄骨量の増大及び鉄骨梁の加工手間の増大を抑制でき、且つ施工が容易な鉄骨梁の横補剛構造を提供する。【解決手段】横補剛構造は、鉄骨梁３の軸方向の一部に設けられ、スラブ４に固定される第１横補剛部材２０を備える。第１横補剛部材２０は左右の側部補剛部２１、２１を含み、左右の側部補剛部２１、２１は、鉄骨梁３の軸方向及び鉛直方向に互いに平行に延在し、上フランジ１１を左右から挟むと共に下フランジ１２に固定される左右の添板部２２、２２と、鉄骨梁３の軸方向及び水平方向に延在し、左右の添板部２２、２２の上端部から外方へ張り出す左右の外張出板部２３、２３と、外張出板部２３の上面から延出し、スラブ４に固定される固定部材（２５）とを含む。【選択図】図２

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