Floor beam connection structure

Abstract

To provide a floor beam connection structure capable of enhancing fireproof performance of a beam material.SOLUTION: A floor beam connection structure 10 includes: a floor material 11 having thermal conductivity; a combustible beam material 12 for bearing the floor material 11; and a connection part 13 for connecting the floor material 11 and the beam material 12. In the beam material 12, a side surface is a fireproof material 14s, and a lower surface is covered by a fireproof material 14b. The connection part 13 is provided so as to come into contact with the floor material 11 and an upper end part of the fireproof material 14s, and has a thermal conduction reduction member 18 for reducing thermal conduction from the floor material 11 to the beam material 12.SELECTED DRAWING: Figure 1

Claims

1. A floor beam connection structure comprising a floor material having thermal conductivity, a combustible beam material supporting the floor material, and a connecting portion connecting the floor material and the beam material, The beam material is covered on its sides and bottom with fire-resistant material. The aforementioned connection part is A heat conduction reducing member is provided so as to be in contact with the floor material and the upper end of the fire-resistant material, and reduces heat conduction from the floor material to the beam material in the event of a fire on the underside of the floor material, It has a support portion integrally formed with the beam material and supporting the floor material, The support portion is formed in a rectangular cross-section that protrudes upward from the center of the upper surface of the beam member and extends in the direction of the beam member's extension. The heat conduction reducing members are provided in pairs on both sides of the support portion, flanking the support portion. Floor beam connection structure.

2. A floor beam connection structure comprising a floor material having thermal conductivity, a combustible beam material supporting the floor material, and a connecting portion connecting the floor material and the beam material, The beam material is covered on its sides and bottom with fire-resistant material. The aforementioned connection part is A heat conduction reducing member is provided so as to be in contact with the floor material and the upper end of the fire-resistant material, and reduces heat conduction from the floor material to the beam material in the event of a fire on the underside of the floor material, It has a support portion that is integrally formed with the floor material and supported by the beam material, The support portion is formed in a rectangular cross-section that protrudes downward from the lower surface of the floor material and extends in the direction of the beam material. The heat conduction reducing members are provided in pairs on both sides of the supported portion, sandwiching the supported portion, and are in contact with the lower surface of the floor material and the upper surface of the beam material, and extend outward from the upper end of the fire-resistant material so as to move away from the center of the beam material, along the floor material. Floor beam connection structure.

3. The heat conduction reducing member extends inward from the upper end of the fire-resistant material toward the support portion, along the floor material. A floor beam connection structure as described in claim 1.

4. The heat conduction reducing member is embedded in the flooring material with a portion of its lower surface exposed. The floor beam connection structure according to claim 2.

5. A floor beam connection structure comprising a floor material having thermal conductivity, a combustible beam material supporting the floor material, and a connecting portion connecting the floor material and the beam material, The beam material is covered on its sides and bottom with fire-resistant material. The aforementioned connection part is A heat conduction reducing member is provided so as to be in contact with the floor material and the upper end of the fire-resistant material, and reduces heat conduction from the floor material to the beam material in the event of a fire on the underside of the floor material, It has a support portion integrally formed with the beam material and supporting the floor material, The heat conduction reducing member is connected to an attachment member connected to the fire-resistant material and attached to the fire-resistant material via the attachment member, and is provided in the inner corner formed by the floor material and the fire-resistant material. Floor beam connection structure.

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