JPH0941740A - Prefabricated fire resistive fence and construction method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to transport and assemble fences with ease. SOLUTION: A siding board is mounted on a frame, thereby manufacturing wall panels 1 where the wall panels 1 are incorporated between side posts, intermediate posts and intermediate posts 12a which are made of a steel post, thereby manufacturing a wall unit 10. The wall units 10 are carried over to a construction site where the post 12 and the posts 12a are inserted into and mounted on steel pipes of a concrete foundation 20 placed at the position at which the wall panels are placed, thereby constructing a prefabricated fire resistive fence A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prefabricated fire wall built in a gas station such as a gas station and a method of constructing the same.

[0002]

2. Description of the Related Art Fireproof fences are installed in facilities requiring fireproof equipment, such as gas stations. This fire wall is made by assembling plate plates made of reinforced concrete or glass fiber reinforced cement.

In the case of making a fireproof fence made of reinforced concrete, a mold is assembled at the site, the concrete is placed, and the mold is removed after the concrete hardens in a few days. It takes time and effort.

A fireproof wall in which a plate made of glass fiber reinforced concrete is assembled is disclosed in JP-A-58-164868. This known technique saves labor and days on site, but the plate is heavy and requires a lot of labor for transportation and assembly.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a prefabricated fire wall that can be easily transported and assembled, and a method of constructing the same.

[0006]

According to the present invention, a concrete foundation having a pillar mounting hole formed at a predetermined position and a pillar mounting hole at a predetermined position, and a fence unit having a lower portion mounted in the pillar mounting hole of the concrete foundation. And the fence unit comprises a plurality of steel columns connected to each other and a fence panel assembled between the steel columns, the fence panel being made of a metal frame and attached to the frame. It consists of a non-combustible plate.

Further, according to the present invention, the column mounting hole is formed of an iron pipe embedded in a concrete foundation and having a closed lower end.

Further, according to the present invention, the steel frame column is composed of U-shaped cross-section columns on both sides, an E-shaped cross-section column in the middle, and a U-shaped beam connecting the lower part and the top part of these columns. Has been done.

Further, according to the present invention, a fence panel manufacturing process for manufacturing a fence panel by attaching a non-combustible plate to a metal frame, and incorporating the panel between a plurality of mutually connected steel frame pillars. Fence unit manufacturing process for manufacturing units, fence unit transportation process for transporting multiple fence units to the construction site, concrete foundation placing process for placing concrete foundation with column mounting holes at the installation position, and placement The step of mounting the fence unit is performed by inserting the lower portion of the steel frame pillar of the fence unit into the pillar mounting hole of the concrete foundation.

Further, according to the present invention, the noncombustible plate is screwed to the metal frame.

Further, according to the present invention, the space between the adjacent noncombustible plates is caulked with a noncombustible caulking material.

Further according to the present invention, the steel frame column of the fence unit is inserted into the iron pipe of the column mounting hole of the concrete foundation,
It is fixed by pouring mortar between the two.

As described above, according to the present invention, a fence panel is manufactured in advance from a metal frame and a non-combustible plate in a factory, and a fence unit is assembled from the fence panel and the steel frame pillar. At that time, the length of the steel column in the longitudinal direction is set to a length that can be transported by a truck, for example, 10 m or less.

On the other hand, a concrete foundation may be constructed at the installation position, and the transported fence unit may be attached and fixed to the concrete foundation.

As described above, according to the present invention, since the fence unit assembled in advance in the factory may be attached to the installation position, the work is simple, and the fence unit in the factory is easily manufactured and assembled.

In carrying out the present invention, the length of the metal frame in the longitudinal direction is predetermined, so that the length of the fence unit in the longitudinal direction is an integral multiple of the frame. Therefore, the edges should be made to fit the site.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a place where the present invention is applied to a gas filling station, and a prefabricated type fire wall, which is designated by A in its entirety, according to the present invention is built around the site T of the gas filling station B excluding the road side. It is what is done.

As shown in FIGS. 2 and 3, the prefabricated fire wall A is composed of a concrete foundation 20 and a fence unit generally designated by 10 attached to the concrete foundation 20. This concrete foundation 20 is buried in the ground of the site T of the gas station B with an L-shaped cross section,
Details will be described in detail with reference to FIG. The cross-sectional shape of this concrete foundation 20 is arbitrary.

As shown in FIGS. 4 and 5, the fence unit 10 has a steel column as a whole indicated by reference numeral 11, and the steel column 1.
1. A plurality of (three in the illustrated example) attached to 1 are constructed as a whole with a fence panel indicated by reference numeral 1.

The structure of the wall panel 1 will be described with reference to FIG.
Further, as shown in FIG. 10, the fence panel 1 is configured by attaching two upper and lower siding boards 7, 7 which are incombustible plates to one surface of a metal frame 2 with screws 8. In the frame 2, the upper and lower ends of a vertical beam 3 having a U-shaped cross section on both sides outward and a plurality of (four in the illustrated example) vertical beams 4 having a U-shaped cross section are connected by horizontal beams 5 and 6. Is configured.

Next, the structure of the steel column will be described. As shown in FIGS. 4 to 8, the steel column 11 has side columns 12 and 12 having a U-shaped cross section inwardly on both sides. , And intermediate pillars 12a, 12a having a V-shaped cross section are provided. The lower parts of these columns 12 and 12a are connected by a lower beam 13 having an upward U-shaped cross section, and the top part thereof is an upper beam 1 having a downward U-shaped cross section.
Connected at 4. Note that reference numeral 15 in FIG. 8 is a connecting plate that connects the side pillars 12 and 12A of the adjacent fence units 10 and 10A (FIG. 2), and is fastened to both the side pillars 12 and 12A with bolts 16. The columns 12 and 12a and the vertical beam 3 are fixed to each other by welding.

The concrete foundation 20 is shown in FIGS. 11 and 12.
As shown in FIG. 5, the pressure-resistant portion 21 and the mounting portion 22 form an L-shaped cross section. Then, on the top surface of the mounting portion 22, pillar mounting holes 23 are formed in accordance with the pitch of both pillars 12 and 12 a of the steel frame pillar 11. The pillar mounting hole 23
Is formed by the inner hole of the iron pipe 24 which is embedded in the concrete foundation 20 and whose lower part is closed.

In the illustrated example, the siding board 7
Is attached to only one side, but it may be attached to both sides if necessary.

Next, the construction of the prefabricated fire barrier A will be described.

(1) Fence panel manufacturing process (FIGS. 9 and 1)
0) The siding boards 7, 7 which are incombustible plates are attached to one side of the frame 2 with screws 8 to make the fence panel 1.

(2) Fence unit manufacturing process (FIGS. 4 to 7) The fence panel 1 is placed between the side columns 12 and the intermediate columns 12a of the steel frame column 11 and between the intermediate columns 12a and 12a. It is inserted from above and supported by the lower beam 13, the top is covered by the upper beam 14, and fixed by welding. Then, the gap between the siding boards 7, 7 is caulked with a nonflammable caulking material 9. The fence unit 10 is made in this manner.

(3) Fence unit transporting process A plurality of fence units 10 are transported to a gas station by a truck.
At that time, the length of the fence unit 10 in the longitudinal direction is 10 m or less, which is a length that can be carried by a truck.

(4) Concrete foundation placing process (Fig. 1)
1 and FIG. 12) The concrete foundation 20 is placed at the installation position, and the iron pipe 24 is embedded at the position corresponding to both the columns 12 and 12a of the steel frame column 11 to form the column attachment hole 23.

(5) Fence unit mounting process (FIGS. 2 and 8)
And Fig. 12) The fence unit 10 is set up and both columns 12, 12a are attached to the column mounting holes 2
After being inserted in 3, the mortar 25 is poured into the gap between the columns 12 and 12a and the iron pipe 24 and fixed. Also,
As shown in FIGS. 2 and 8, the adjacent fence units 10, 10
The side pillars 12 and 12A of A are connected by a connecting plate 15 and a bolt 16 and are caulked with a caulking material 9.

[0031]

Since the present invention is configured as described above, it has the following effects. (1) Since the fence unit is composed of a fence panel in which a siding board is attached to a metal frame and a steel frame column, it is lightweight and very easy to carry and assemble. (2) Therefore, it can be provided at low cost by reducing the time and effort at the construction site.

[Brief description of drawings]

FIG. 1 is a perspective view showing a gas station in which a prefabricated fire wall according to the present invention is installed.

FIG. 2 is a perspective view showing an embodiment of the present invention.

FIG. 3 is a side view of FIG.

FIG. 4 is a perspective view showing a fence unit.

FIG. 5 is an exploded perspective view showing a steel column.

FIG. 6 is a view on arrow A of FIG.

FIG. 7 is a view on arrow B of FIG.

FIG. 8 is a view on arrow C of FIG.

FIG. 9 is a perspective view showing a fence panel.

FIG. 10 is a perspective view showing a frame.

FIG. 11 is a perspective view showing a concrete foundation.

12 is a cross-sectional view in the width direction of FIG.

[Explanation of symbols]

 A ... Assembled fire barrier B ... Gas station 1 ... Fence panel 2 ... Frame 3, 4 ... Vertical beam 5, 6 ... Horizontal beam 7 ... Siding board 8 ... Screw 9 ... Caulking material 10 ... Fence unit 11 ... Steel column 12 ... Side column 12a ... Intermediate column 13 ... Lower beam 14 ... Upper beam 15 ... Connecting plate 16 ... Bolt 20 ... Concrete foundation 21 ... Pressure resistant portion 22 ... Mounting portion 23 ... Column mounting hole 24 ... Iron pipe 25 ... Mortar

Claims (7)

[Claims] 1. A concrete foundation having a pillar mounting hole formed at a predetermined position and a pillar mounting hole formed at a predetermined position, and a fence unit having a lower portion mounted to the pillar mounting hole of the concrete foundation. Composed of a plurality of steel columns connected to each other, and a fence panel incorporated between the steel columns, the fence panel comprising a metal frame and a non-combustible plate attached to the frame. A prefabricated fire wall that is characterized by. 2. The prefabricated fire protection fence according to claim 1, wherein the column mounting hole is formed of an iron pipe embedded in a concrete foundation and having a closed lower end. 3. The steel frame column is composed of U-shaped cross-section columns on both sides, an intermediate E-shaped cross-section column, and U-shaped beams connecting the lower and top parts of these columns. Assembled fireproof wall according to 1. 4. A fence panel manufacturing process for manufacturing a fence panel by attaching a non-combustible plate to a metal frame, and a fence for manufacturing a fence unit by incorporating the panel between a plurality of mutually connected steel frame columns. The unit manufacturing process, the fence unit transportation process to transport multiple fence units to the construction site, the concrete foundation placing process to place the concrete foundation with the column mounting holes at the installation position, and the placed concrete foundation. A method of constructing a prefabricated fire wall, which comprises a step of mounting a fence unit in which a lower portion of a steel column of the fence unit is inserted into a pole mounting hole for mounting. 5. The method of constructing a prefabricated fire wall according to claim 4, wherein the non-combustible plate is screwed to a metal frame. 6. The method for constructing a prefabricated fire wall according to claim 4, wherein a space between the adjacent non-combustible plates is caulked with a non-combustible caulking material. 7. The method of constructing a prefabricated fire wall according to claim 4, wherein the steel frame column of the fence unit is inserted into an iron pipe of a column mounting hole of a concrete foundation and fixed by pouring mortar between the two.