JPH0715931Y2 - Fireproof partition column - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a fireproof partitioning column capable of withstanding high heat for at least 2 hours.

(Prior Art) In recent years, with the progress of construction of high-rise buildings, fire prevention measures for these buildings have been strengthened. In these buildings, each floor is constructed in an open state, the floor is partitioned into an appropriate size according to the use, and it can be removed when unnecessary.

By the way, since a partition is generally used as a floor partitioning device, fire resistance is required for the partition. As a conventional fireproof partition, a panel with lining made of silica material is used as the surface material, the pillars standing on the floor are sandwiched and fixed on both front and back sides, and the space between both panels is filled with rock wool felt. Has become. The partition formed by this structure has a maximum fire resistance of 2 hours, but there are gaps between the panel and the pillar, and the space between both panels is not completely filled with rock wool felt. If there is, the quality of the above 2 hours is not guaranteed.

The fire resistance of 2 hours is the result obtained under the conditions of the fire resistance test, and the elapsed time required for the temperature on the other side to rise to 260 ° C with one side of the partition heated to approximately 1000 ° C. If the partition has poor fire resistance, the temperature will immediately rise on the non-heated side. The fire resistance of the partition depends not only on the lining material of the panel and the filling material filled between the panels, but also the cross-sectional structure of the column for fixing the panel and filling the filling material without a gap. It has been confirmed by many experiments that the side shape of the columns for the impact has a great influence.

(Purpose of the present invention) Although there are various problems in improving the fire resistance performance of a partition, the present invention is intended for a partition column that has a great influence on the fire resistance, and a minimum fire resistance of 2 hours. The purpose is to provide pillars that can withstand the heating of.

(Structure of the present invention) The fireproof partition to which the present invention is applied is such that the side portions of the panel are abutted and fixed to the front and back surfaces of the column rising from the floor, and the space formed between both panels is It is a partition that is filled with a refractory filler without any gaps. The partition column according to the present invention is formed by partially forming a hollow cross section and inserting a metal reinforcing frame into the hollow portion. Here, the hollow portion does not have to be located at the center of the column. Further, the side surface is not a flat surface but has a step, and generally forms a step surface which is concave. Therefore, the filling material between the panels is also filled in the recesses, and the heat transfer can be suppressed more than in the state where the column side surfaces are in contact with each other by the flat surface. Then, from the front and back surfaces that come into contact with the panel, screw holes are penetrated to the hollow portion, and a screw hole into which a screw can be screwed is formed at the same position in the fitted reinforcing frame, and then the hollow portion is fitted. A small convex piece is formed on the hollow inner surface so that the reinforcing frame and the hollow inner surface make point contact or line contact, and the tip of the convex piece is in contact with the reinforcing frame. By the way, instead of the hollow portion, a concave groove may be formed on the side surface and the front and back surfaces, and a reinforcing plate may be fitted into the concave groove. The pillar main body contains cement as a main component, and sometimes cement is mixed with a reinforcing agent such as glass fiber.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

(Embodiment) FIG. 1 shows an embodiment of a fireproof partitioning column according to the present invention. As shown in the figure, the pillar is a long member having a predetermined cross section, and has a large hollow portion 1 at the center of the cross section,
2a and 2b are not flat surfaces, but have a step having a recess 3. The hollow portion 1 in the central portion is formed over the entire length in the axial direction, a metal reinforcing frame 4 is fitted in the hollow portion 1, and the reinforcing frame 4 and the inner surface 5 of the hollow portion 1 are separated from the inner surface 5. It is in contact with the protruding convex piece 6. Therefore, when the reinforcing frame 4 is fitted in the hollow portion 1, there is an operational advantage that contact friction is reduced. Further, the front surface 7 and the back surface 8 are flat surfaces and are parallel to each other, and screw holes 9, 9 ... Screw holes 10 are formed at the same positions in the reinforcing frame 4.

FIG. 2 is a specific example showing a cross section of a refractory partition structure constructed by using the above pillars. The pillars stand vertically from the floor,
The front side 7 and the rear side 8 of the upright pillar are fixed in a state where the side portions of the panels 11 and 11 are in close contact with each other without a gap, and the space between the panels 11 and 11 is filled with a fire resistant filler 12. There is. The panel 11 is composed of a metal surface material 13 and a gypsum board 14,
The surface material 13 is fixed to the gypsum board 14 via an adhesive, the surface material 13 is bent at the side end of the gypsum board 14, and the tip thereof has an edge 15 bent in an L shape. Edges 15 of adjacent panels 11 and 11 face each other at the center of the pillar, and both edges 1
A joint 16 is fitted between 5 and 15 and fixed with a screw 17. The screw 17 is inserted into a screw hole penetrating the pillar and screwed into the screw hole 10 of the reinforcing frame 4 to fix the panel 11 to the pillar.

On the other hand, the filler 12 is filled in the space between the panels 12 and 12, and the filler 12 is also filled in the concave portion 3 of the column side surface 2 without any gap. Rock wool felt, which has high fire resistance, is generally used as the filler.

The panel 11 is fixed to the pillar by the screws 17, 17 ... However, since the screw 17 is strongly screwed into the screw hole 10 of the reinforcing frame 4, the panel 11 is closely attached to the pillar without a gap. , No heat is transmitted through the gap. In such a structure, the heat transmitted from the heating side to the non-heating side is only screw 17,
The fire resistance time of the partition is greatly improved and the strength of the column is also increased. Further, a side rail 19 is screwed to the wall surface 18, a pillar stands up using the side rail 19 as a guide, and a panel 11 abuts on the front and back surfaces 7 and 8 of the pillar, and the side rail 19 serves as a panel. Holds down the sides.

The cross-sectional structure of the refractory partition is generally constructed as shown in FIG. 2, but the material of the panel 11 and the structure of connection with the wall surface 18 are not limited. By the way, the shape of the above-mentioned pillars constituting such a partition structure is not limited to the shape shown in FIG. 1, and specifically, various other shapes can be used. Will be explained with its cross section.

In FIG. 3, the outer shape of the column main body is the same as in FIG. 1, but the shape of the hollow portion 1 formed in the central portion is H-shaped. Therefore, the reinforcing frame 4 fitted in the hollow portion 1 also has an H shape, and the reinforcing frame 4 is in contact with the inner surface 5 of the hollow portion 1 and the tip of the convex piece 6 protruding from the inner surface 5. Further, screw holes 9 penetrate through the front surface 7 and the back surface 8 at regular intervals, and screw holes 10 are similarly formed in the reinforcing frame 4. Moreover, screw holes 9 from the front surface 7 side and screw holes 9 from the rear surface 8 side are formed. 9 are provided such that their positions are offset from each other.

FIG. 4 shows a case where the hollow portion 1 has a cross-shaped cross-section, and a reinforcing frame 4 having the same cross-shaped cross section is fitted in the cross-shaped hollow portion 1. Of course, the flat plates can be alternately inserted into the hollow portion 1 without forming the cross section of the reinforcing frame 4 here. The screw hole 9 penetrating from the front surface 7 and the back surface 8 to the hollow portion 1 communicates with the screw hole 10 formed in the reinforcing frame 4.

Further, the column cross section shown in FIG. 5 has a hollow portion 1 having a rectangular cross section formed in the center thereof.
Grooves 20 are formed in the respective grooves, and reinforcing plates 21a, 21b, 22a, 22b are fitted into the grooves 20, respectively. Reinforcement plate
21 and 22 and the inner surface of the concave groove 20 do not directly contact with each other, but the tips of the convex pieces 6 protruding from the inner surface are in contact with each other. Then, screw holes 10 are formed in the reinforcing plates 21a and 21b fitted in the concave grooves 20 on the front and back surfaces 7 and 8, and screws for fixing the panel 11 are formed.
17 is screwed into the screw hole 10.

The above-described fireproof partitioning column is a description of a few examples of the present invention, and is not limited to the above-mentioned embodiment.
And by using such a pillar, the following effects can be obtained.

(Effect) (1) The fire-resistant partitioning column of the present invention is a column main body containing cement as a main component, and a metal reinforcing frame or reinforcing plate fitted in a hollow portion or a concave groove. Of course, since the screw hole is formed in the reinforcing frame and the screw for fixing the panel can be strongly screwed into the screw hole, it can be fixed without a slight gap between the column and the panel. .

Therefore, the heat transmitted through the gap can be completely cut off.

(2) Further, the reinforcing frame fitted in the hollow portion does not contact the inner surface of the hollow portion, but only contacts the tip of the protruding piece protruding from the inner surface, and the heat transmitted from the column body to the reinforcing frame and from the reinforcing frame to the column body. The contact friction is small when the reinforcing frame is fitted into the hollow portion, and therefore it can be easily inserted.

(3) Further, since both side surfaces of the pillar of the present invention are not flat surfaces but have surfaces having stepped portions such as concave portions, the filling material filled between both panels when assembled as a partition is the above concave portions. As a result, even if a slight gap is left between the column and the filling material, the heat transmitted through the gap is suppressed to a very small degree.

[Brief description of drawings]

FIG. 1 shows a fireproof partitioning column according to the present invention, and FIG. 2 shows a concrete example of a partitioning structure using this column, and a third example.
FIG. 4, FIG. 5 and FIG. 5 are sectional views showing the pillar of the present invention. 1 ... Hollow part, 2 ... Side surface, 3 ... Recessed part, 4 ... Reinforcing frame, 5 ... Inner surface, 6 ... Convex piece, 7 ... Front surface, 8 ... Back surface, 9 ... Screw hole, 10 ...
Screw hole, 11 ... Panel, 12 ... Filler material, 13 ... Surface material, 14 ... Gypsum board, 15 ... Edge, 16 ... Joint, 17 ... Screw, 18 ... Wall surface, 19
… Side rails, 20… grooves, 21,22… Reinforcement plates.

Claims (2)

[Scope of utility model registration request] 1. A pillar standing vertically from a floor surface, wherein side surfaces of the panel are applied to front and back surfaces of the pillar, and the edges of panel surface materials arranged adjacent to each other are screwed to the pillar through joints. In the above-mentioned pillar of the fireproof partition which is filled with a fireproof filler between the two panels, a hollow part is formed in the center of the pillar in the longitudinal direction, and a small convex piece is formed on the inner surface of the hollow part. A metal reinforcing frame is inserted into the hollow portion in a state of being in contact with the tip of the projecting piece, and a screw hole is penetrated from the front surface and the back surface of the column to the hollow portion, and the inserted reinforcing frame is provided with a screw hole. A column for fireproof partitioning, characterized in that a screw hole is formed at the same position as the above, and the side surface of the column body is formed with a stepped surface instead of a flat surface. 2. A pillar standing upright from a floor surface, wherein panel side edges are applied to the front and back surfaces of the pillar, and the edges of panel surface materials arranged adjacent to each other are screwed to the pillar via joints. In the above-mentioned pillar of the fire-resistant partition that is filled with a fire-resistant filling material between both panels, concave grooves are formed on both side surfaces, front surface and back surface of the pillar, and the inner surface of the concave groove is small. A protruding piece is projected, a reinforcing plate made of metal is fitted into the groove while being in contact with the tip of the protruding piece, and a screw hole is formed in the reinforcing plate fitted in the groove formed on the front surface and the back surface. A refractory partition column, characterized in that a step is provided between a reinforcing plate fitted in a groove formed on the side surface and the side surface.