JPH04106246A - Fire-proof floor panel - Google Patents

Abstract

PURPOSE:To improve fire-proof performance by lining the surface of the upper side of a frame body assembled in the shape of a rectangular contour with core members, with a surface member, and by coating a surface to be displayed on the lower side of a frame body with fire-proof coat. CONSTITUTION:On the vertically central section of the internal section of a frame body, 15 assembled in the shape of a rectangular contour with vertical and horizontal core members 15a-15d, a reinforcing core member 15e for reinforcing the frame body 15 and a plurality of blocking members 15f are arranged. Then, the surface of the upper side of the frame body 1-5 is lined with the surface member 16 of a plywood or the like, and on a surface to be displayed on the lower side of the frame body 15 and to be coated with fire-proof coat, a fire-proof coating film 17 is formed. As a result, high fire-proof performance and sufficient yield strength can be arranged.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a fire prevention floor panel installed on the second or third floor or higher floor of a building.

[Prior Art] Generally, as a floor panel 2 arranged on the second or third floor or higher floor of a building l, plywood 4 is pasted on one side of a frame 3 assembled into a rectangular outline with a core material 3a. It is widely used.

FIG. 4 shows a state in which such a floor panel 2 is laid on the floor of the second floor of the building 1, with the surface to which the plywood 4 is attached facing upward.

As shown in the figure, the floor panel 2 is mutually fastened to other floor panels 5 by assembling the end (core material 3a) on the side that contacts the adjacent floor panel 5 with a fastening bolt 6. . In addition, the floor panel 2 has its end (core material 3a) facing the outside of the building 1 joined to the girder 7 disposed so as to be flush with the outer wall surface of the building 1. , the torso difference 7
From the first floor wall panel 9 to the core 8 between the core material 3a and the core material 3a,
It is fixed in a predetermined position by attaching the barrel difference port 11 so as to penetrate the two-way wall panel IO disposed above the floor panel 2.

[Problems to be Solved by the Invention] However, as described above, the floor panel 2 having the structure in which the plywood 4 is pasted on the upper surface of the frame 3 has poor fire prevention performance, and is difficult to prevent, for example, from a room on the first floor. In the event that a fire breaks out, the floor panel 2 on the second floor will be immediately burned, and the fire will spread to every room on the second floor in an extremely short period of time.

Therefore, in order to make this floor panel 2 have fireproof performance,
As shown in FIG. 4, an inorganic surface material 2 such as gypsum board is attached to the lower surface of the floor panel 2 on site.

However, conventionally, such inorganic surface material 1
The installation work No. 2 is carried out at the site, after the work of laying the second floor panel 2 is completed, workers manually lift 12 pieces of the inorganic panel material from each room on the first floor. For this reason, there have been problems in that workers are forced to take an unreasonable posture during the work of pasting the inorganic surface material 12, and that the heavy weight of the inorganic surface material 12 places an unreasonable burden on the worker's body. There were also complaints that the work was cumbersome and that it was not possible to simplify on-site work, save labor, or shorten the construction period.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a fireproof floor panel that has high fireproofing performance and can eliminate the need for on-site installation of inorganic surface materials. LI as a purpose.

Means for solving two problems: - The present invention is a fire prevention floor panel installed on the second or third floor or higher floors of a building, which includes a panel on the upper side of a frame assembled into a rectangular outline with a core material. The solution is to attach a face material to the surface of the frame, and apply fireproof paint to the surface exposed on the underside of the frame.

[Function j] In the fire prevention floor panel of the present invention, a fire prevention paint is applied to the surface exposed on the lower side of the frame (therefore, it exhibits high fire prevention properties due to the action of the fire prevention paint, Even if a fire breaks out in a room on the first floor, it is possible to prevent or delay the spread of the flames to the second floor.

Furthermore, by applying the fire-retardant paint in this manner, there is no need to newly affix an inorganic surface material to the lower surface of the frame on site.

[Example] Hereinafter, the present invention will be explained by showing an example and based on the drawings.

FIG. 1 and FIG. 2 show the fire prevention floor panel of this embodiment as viewed from the top side and the bottom side, respectively.

Reference numeral 15 in the figure is a frame body forming the skeleton of the fire prevention floor panel 20. The frame body 15 has vertical and horizontal core members 15a and I5b.
, I 5c, and I 5d to form a rectangular profile, and a reinforcing core material 15e for reinforcing the frame 15 is disposed at the vertical center of the interior thereof. In addition, core material 15
A and the reinforcing core material 15e, and between the core material 15c and the reinforcing core material 15e, there are a plurality of wires that connect the core material 15a and the reinforcing core material 15e, and the core material 15c and the reinforcing core material 15e, respectively. Blocking materials 15f, 15f, . . . are disposed.

Further, a face material 16 such as plywood is attached to one surface (upper surface) of the frame 15.

Furthermore, the surface exposed on the lower side of the frame 15, that is, the vertical and horizontal core members 15a, +5b, 15c forming the frame 15,
The inner surface and lower end surface of 15d, both side surfaces and lower end surfaces of reinforcing core material 15e and blocking material +5f, 15f...
and the exposed portion of the back surface (lower surface) of the plywood (face material) 16 (i.e., the reinforcing core material 15e and the blocking material +
As shown by diagonal lines in FIG. 2, the entire surface of the parts (not covered by the end faces of 5r, 15r, etc.) is coated with fireproofing paint to form a fireproofing coating 1i17. An inorganic paint such as water glass is preferably used as the fire prevention paint, and is applied to a predetermined thickness using a conventional coating method to form a fire prevention coating 17.

Next, a construction method for installing the fire prevention floor panel 20 thus constructed on the second floor of the building 21 will be described with reference to FIG. 3.

First, after the panel assembly for the first floor is completed, the fire prevention floor panel 20 having the above structure is turned with the side on which the plywood (face material) 16 is pasted facing upward, and its end is placed on the building 21. Lay it on the second floor, aligning it with the core of the upper end of the first floor wall panel 22 where the second floor will rest.

And the end of the building 21 facing the outside (core material 15b)
is connected to the shelving 23 disposed flush with the outer wall surface of the building 21, and the first floor wall panel 22 is attached to the core 2.1 between the shelving 23 and the core material 15a. The fire prevention panel 20 is fixed by attaching the barrel bolt 25 so as to pass through the fire prevention panel 20. Further, the end portion (core material 15d) facing inside the building 21 is attached to the end portion (core material) of the adjacent floor panel 26 using a fastening bolt 27, so as to be tightly connected to each other.

As described above, in the fire prevention floor panel 20 of this embodiment, the fire prevention coating film 17 made of a fire prevention paint such as water glass is applied to the entire surface of the frame body 15 exposed below. Because of this, the fireproof coating 17 exhibits high fireproof properties, and even if a fire breaks out in each room on the first floor, it can prevent or delay the spread of flames to the second floor. I can do it. In addition, since the plywood (face material) 16 is pasted on the upper surface of the fire prevention floor panel 20 as described above, it is provided with resistance against horizontal horns added to the building 21, even if an earthquake occurs. Even if
Effects such as vibration isolation and destruction prevention of the building 21 can be obtained.

Further, as described above, by providing the fire prevention coating film 17 in advance, there is no need to newly apply an inorganic surface material such as a gypsum board to the lower surface of the frame 15 on site as in the conventional case. Therefore, various effects such as simplification of on-site work, labor saving, and shortening of construction period can be expected.

It goes without saying that the specific configuration of the fire prevention floor panel 20 of the present invention is not limited to the above-mentioned embodiments, but can be modified as appropriate without departing from the scope of the present invention.

For example, in the above embodiment, plywood was used as the surface material 16 attached to the upper surface of the frame 15, but instead of plywood, for example, a surface formed by bonding plywood to both sides of a gypsum boat and integrating it. It is also possible to use materials such as wood. In this case, in addition to the effect of the fireproof coating film 17 mentioned above, there is also the advantage that even higher fireproof performance can be expected due to the effect of the gypsum hoard of the face material.

[Effects of the Invention] As explained above, the fire prevention floor panel of the present invention has the above configuration, so it has high fire prevention performance and sufficient resistance against horizontal forces applied to the building. It is possible to provide strong buildings that can sufficiently withstand disasters such as fire and earthquakes. In addition, since the fire prevention floor panel of the present invention is coated with fire prevention paint on the surface exposed on the underside, there is no need to affix an inorganic surface material such as gypsum boat to the bottom surface of the frame at the site. , it is possible to simplify the work and save labor without putting an excessive burden on the workers on site, and it is also expected to have the effect of shortening the construction period.

[Brief explanation of the drawing]

Figures 1 to 3 show an embodiment of the fire prevention floor panel of the present invention, and Figures 1 and 2 show the fire prevention floor panel viewed from above and below, respectively. A perspective view and FIG. 3 are side sectional views showing the state in which this fire prevention floor panel is laid on the second floor floor, and FIG. 4 shows an example of the state in which the conventional floor panel is laid in the second floor floor. FIG. 15... Frame body, 15a=15d... Core material,
16...Plywood (face material), 17...Fireproof coating film,
2'0... Fire prevention floor panel, 21... Building.

Claims (1)

[Claims] A fire prevention floor panel installed on the second or third floor or higher floor of a building, wherein a face material is attached to the upper surface of a frame formed into a rectangular outline by a core material. 1. A fire prevention floor panel, characterized in that the surface exposed on the lower side of the frame body is coated with fire prevention paint.