JP2000257187A - Building fire preventive structure and method for installing slow-burning covering material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a fire preventive structure which is excellent in fire protecting performance and fire resistance efficiency by installing a wall panel having slow-burning covering materials attached to side edges thereof, on structural members of a building member, and covering exposed portions of the adjacent structural members with the slow-burning covering materials, in the construction field. SOLUTION: A fire preventive structure is constructed by installing slow-burning covering materials 31, 31 for covering structural members 1, 1, on side edges of respective wall panels 2, 2 which are set adjacently to the respective structural members 1, 1, and installing an external wall member 22A and an internal wall member 23A having slow-burning covering materials 32, 33 attached thereto, respectively, on the slow-burning covering materials 31, 31. In a factory, the wall panel 2 is built, and the slow-burning covering material 31 is fixed to a side frame member by means of rivets or the like, followed by installing the same on the structural member of a box building unit. In the construction field, the building units are adjacently set, and exposed portions of the structural members 1, 1 which are adjacent columns, are covered with the external wall member 22A and the internal wall member 23A having the slow-burning covering material 32, 33, respectively. Thus, the structural member is resistant to transmission of heat, leading to excellent fire protecting performance and fire resistance efficiency. In addition, the number of materials and working steps can be efficiently reduced, leading to inexpensive costs.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire protection structure for a building and a method for mounting a fire protection coating.

[0002]

2. Description of the Related Art Conventionally, when a fireproof coating is applied to pillars and beams, which are main structural members of a building, Japanese Patent Application Laid-Open No. 62-26844.
No. 6, as described in Japanese Patent Publication No. 6 (1994), a fireproof covering material is attached to the structural member via a mounting bracket.
As described in JP-A-3-14146, a fireproof coating material is directly attached to a structural member with a pin or a screw.

[0003] Alternatively, as described in Japanese Patent Publication No. 51-14806, these structural members are collectively fire-resistant covered with a fire-resistant outer wall, a fire-resistant panel and a fire-resistant floor plate, and the inside of the building is covered with these coating materials. A membrane construction method was used to form a living space.

[0004]

However, the structure described in the above-mentioned Japanese Patent Application Laid-Open No. 62-268446, in which the fireproof coating material is directly attached to the structural member with the fittings, pins, screws, etc., is disclosed in US Pat. And the like serve as a heat transfer material to transfer heat to the structural member, and there is a problem in that the effect of fire resistance is reduced. In addition, there is a problem that construction and work around the pillars and beams, which are structural members, cannot be performed until the fireproof coating is completed. In addition, since it is difficult to work upwards because the fireproof coating material is applied to the entire circumference of the pillars and beams, the work time and cost are required to cover the fireproof material properly so that there is no gap. There was a problem.

[0005] The membrane construction method described in Japanese Patent Publication No. 51-14806 in which structural members are collectively fireproofed with a fireproof panel or the like to form a living space requires an expensive fireproof panel or the like to be used over the entire living space. In addition, there is a problem that the cost becomes very high.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fire protection structure for a building and a method of attaching the fire protection coating material, in which the coating operation of the fire protection coating material is easy, the fire protection performance is excellent, and the cost is low.

[0007]

According to a first aspect of the present invention, there is provided a fire protection coating material for covering a structural material of a building attached to a side edge of a wall panel installed adjacent to the structural material of the building. It is a fire protection structure for buildings.

According to a second aspect of the present invention, a fireproof covering material for covering the structural material is attached to a side edge of a wall panel installed adjacent to the structural material of the box-shaped building unit. It is a fire protection structure of a building characterized by the following.

According to a third aspect of the present invention, there is provided a wall panel in which box-shaped building units are arranged adjacent to each other so that respective structural members are adjacent to each other, and are installed adjacent to the structural members of these building units, respectively. A fire prevention covering material is attached to a side edge of the building, and the adjacent structural materials are covered together.

According to a fourth aspect of the present invention, there is provided a fireproof covering material, wherein a fireproof covering material for covering the structural material is attached to a side edge of a wall panel installed adjacent to a structural material of a building. How to attach.

The fire protection structure of a building in the present invention includes not only the fire protection structure of a building but also the semi-fireproof structure and the fireproof structure of the building.

In the present invention, the fireproof covering material includes not only a fireproof material but also a fireproof coating material. As fire protection coating material, concrete board, cement board, ALC board, fiber reinforced cement calcium silicate board,
Felt materials mainly composed of inorganic fibers such as rock wool and ceramics, materials made of non-combustible materials such as iron steel plate and aluminum plate, materials made of semi-combustible materials such as wood wool cement plate, wood chip cement plate and gypsum board, difficult A material made of a flame-retardant material such as a flame fiber plate, a flame-retardant plastic plate, a heat-expandable flame-retardant plastic sheet, or a material made of a composite material thereof can be used. Of these, a fire retardant covering material having flexibility and flexibility, and a fire retardant covering material having self-supporting or shape-retaining properties or a composite material comprising a shape retaining material are preferred because the fire-resistant coating is easy.

[0013] In particular, the fire-resistant coating material is made of a fire-resistant non-vulcanized rubber composition comprising a non-vulcanized rubber containing a phosphorus compound, neutralized heat-expandable graphite, and an inorganic filler. It is preferable to use a composite material having flexibility and fireproof coating performance, and a shape retaining material made of a thin metal plate.

[0014] As a compounding method, a method of laminating and polymerizing in advance and subsequently processing into a shape that is easy to construct,
Any material may be used, which is obtained by laminating a refractory coating material on a shape maintaining material that has been processed into a shape that is easy to apply in advance and then polymerizing it.

[0015]

According to a first aspect of the present invention, there is provided a fire protection structure for a building, wherein a side edge portion of a wall panel installed adjacent to a structural material of the building is provided with:
Since the fire protection covering material that covers the above structural material is attached, there is no longer any metal fittings or pins for mounting the fire protection coating material on the structural material, making it difficult for heat such as fire to be transmitted to the structural material, and the fire resistance performance Will be excellent.

According to a second aspect of the present invention, there is provided a fire protection structure for a building according to the present invention, wherein a fire protection covering material for covering the above structural material is provided on a side edge portion of a wall panel installed adjacent to a structural material of a box-shaped building unit. Since it is attached, the structural material does not include any metal fittings or pins for attaching the fireproof covering material, so that heat such as fire is hardly transmitted to the structural material, and the fireproof performance is excellent. In addition, the structural materials of adjacent building units in a building can be collectively covered with the above-mentioned fireproof covering material, and the material and the number of working steps can be increased efficiently.

According to a third aspect of the present invention, there is provided a fire protection structure for a building according to the present invention, wherein box-shaped building units are arranged adjacent to each other so that the structural members are adjacent to each other, and adjacent to the structural materials of these building units. The fire protection coating is attached to the side edge of the wall panel to be installed, and the adjacent structural materials are covered together.Therefore, there are no metal fittings or pins for mounting the fire protection coating on the structural material. In addition, heat such as fire is hardly transmitted to the structural material, and the fire resistance is excellent. In addition, since the structural materials of adjacent building units in the building are collectively covered with the above-mentioned fireproof covering material, the material and the number of working steps are increased.

According to a fourth aspect of the present invention, there is provided a method for mounting a fire-preventive covering material according to the present invention, wherein the fire-preventive covering material covering the structural material is attached to a side edge of a wall panel installed adjacent to a structural material of a building. It is easy to attach the fire protection coating to the wall panel, which does not impose too much structural strength. Is not easily transmitted, and the fireproof performance is excellent.

[0019]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a fire protection structure for a building and a method for mounting a fire protection covering material according to the present invention. FIG. 1 is a horizontal sectional view illustrating a fire protection structure between adjacent building units according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating a method of attaching a fire protection covering material to a building unit according to an embodiment of the present invention. is there.

In FIG. 1, a fire protection covering material 31 for covering the above-mentioned structural materials 1 and 1 is provided on the side edges of wall panels 2 and 2 installed adjacent to the structural materials 1 and 1 which are steel columns of the building. , 31
Is attached. In this fire protection covering material 31, 31,
An outer wall material 22A with a fire protection coating 32 and an inner wall material 23A with a fire protection coating 33 are attached.

The wall panel 2 is composed of a frame member 21 made of a steel plate, an outer wall member 22 made of a cement plate, an inner wall member 23 made of a fiber reinforced cement calcium silicate plate, and a heat insulating material 24 made of glass wool filled therein. Consisting of

The fireproof covering materials 31, 32, and 33 are made of a refractory material containing a non-vulcanized rubber (butyl rubber), a phosphorus compound, neutralized heat-expandable graphite, and an inorganic filler (aluminum hydroxide, magnesium hydroxide). Refractory coating material bodies 311, 321, 331 made of a conductive non-vulcanized rubber composition and a thickness of 0.4 m
m 312, 32 made of galvanized steel sheet
2 and 332.

Attachment of the fire protection covering material 31 to the side edge of the wall panel 2 is performed by rivets 4, 4 and screws on the frame member 21 at the side edge. Fire protection coating 32 on fire protection coating 31, 31
The attachment of the outer wall member 22A with the inner wall member 23A and the inner wall member 23A with the fire protection coating member 33 is also performed by the shape holding member 31 of the fire protection coating member 31.
2 is performed with screws or rivets.

As described above, the structural materials 1 and 1 are the
When covered with 1, 31, 32, 33, the structural material 1,
Screws and rivets are not directly fixed to 1.
For this reason, heat such as a fire is hardly transmitted to the structural materials 1 and 1, and the fireproof performance is excellent.

Next, the procedure of the fire protection coating will be described. As shown in FIG. 2, a box-shaped building unit U which is a part of a building component is manufactured at a factory. The box-shaped building unit U has a structural member 1 made of a steel column and a structural member 5 made of a steel beam.

Then, the wall panel 2 is assembled in a factory, and the fireproof covering material 31 is fixed to the frame material on the side surface thereof with rivets or screws. The fire protection material 31 has a predetermined U-shaped cross section by the shape holding material 312. The wall panel 2 with the fireproof covering material 31 is attached to the structural member 5 made of steel beams of the box-shaped building unit U with bolts and nuts. The mounting bolts and nuts are separately coated with fire protection.

The building unit U in which the wall panels 2 are attached and a part of the structural members 1 and 5 made of steel pillars and beams is covered with the fireproof covering material 31 is transported to the building site. The building units U, U are installed adjacent to each other as shown in FIG. Then, the exposed portions of the adjacent structural members 1 and 1 are covered with the outer wall material 22A with the fire protection coating material 32 and the inner wall material 23A with the fire protection coating material 33.

The fire protection coatings 31, 31 have a predetermined U-shaped cross section by the shape holding material 312 and form a flat mounting surface.
The 2A and the inner wall material 23A with the fire protection coating 33 can be easily attached and fixed on the flat attachment surface with screws or rivets.

As described above, when the wall panel with the fire protection covering material 31 having the shape retaining material 312 is attached to the building unit U, the structural members 1, which are columns and beams of the building units U adjacent to the building, U, 1, 5 and 5 can be put together and covered with the fire protection covering materials 31, 32 and 33, and the material and the number of working steps can be made efficient and the cost can be reduced.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and the design may be changed without departing from the scope of the present invention. Included in the present invention. For example, the wall panel 2 may have an outer wall material and an inner wall material separated. In addition, the outer wall material 22
A and the fire protection coating material 32 may be separated from each other. The inner wall material 23A and the fire protection coating material 33 may be separated. In addition, a mounting bracket for mounting the fire protection coating materials 32 and 33 separately from the fire protection coating material 31 may be mounted on the wall panel 2 and may be mounted on the mounting metal fitting.

Also, the application site is not limited to the case where the structural materials 1 and 1 as shown in FIG. 1 are between the building units which are flush with each other. it can.

[0032]

According to the first aspect of the present invention, there is provided a fire protection structure for a building, wherein a fire protection covering material for covering the structural material is attached to a side edge portion of a wall panel installed adjacent to the structural material of the building. Therefore, heat such as a fire is hardly transmitted to the structural material, and the fireproof performance is excellent.

According to a second aspect of the present invention, there is provided a fire protection structure for a building according to the present invention, wherein a fire protection coating material for coating the structural material is provided on a side edge of a wall panel installed adjacent to a structural material of a box-shaped building unit. Since it is attached, it is difficult for heat such as fire to be transmitted to the structural material, so that the fireproof performance is excellent and the cost can be reduced.

According to a third aspect of the present invention, there is provided a fire prevention structure for a building in which box-shaped building units are arranged adjacent to each other so that structural members are adjacent to each other, and adjacent to structural members of these building units. A fire protection coating is attached to the side edge of the wall panel to be installed, and the adjacent structural materials are coated together, so that heat, such as fire, is not easily transmitted to the structural materials, and the fire protection performance is excellent. Become, and
Materials and man-hours are efficient and inexpensive.

According to a fourth aspect of the present invention, there is provided a method for installing a fire-resistant covering material, wherein the fire-resistant covering material for covering the structural material is attached to a side edge of a wall panel installed adjacent to a structural material of a building. In addition, it is easy and inexpensive to attach the fire protection coating material, and it is difficult for heat such as fire to be transmitted to the structural material, and the fire protection performance can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view illustrating a fire protection structure for a building according to an embodiment of the present invention.

FIG. 2 is a perspective view for explaining a method of attaching a fire protection covering material according to an embodiment of the present invention.

[Explanation of symbols]

 U Building unit 1, 5 Structural material 2 Wall panel 31, 32, 33 Fireproof covering material 311, 321, 331 Fireproof covering material main body 312, 322, 332 Shape retaining material 4 Rivet

Claims (4)

[Claims] 1. A fire protection structure for a building, wherein a fire protection covering material for covering the structural material is attached to a side edge of a wall panel installed adjacent to the structural material of the building. 2. A fire protection system for a building, wherein a fire protection covering material for covering the structural material is attached to a side edge of a wall panel installed adjacent to a structural material of a box-shaped building unit. Construction. 3. A box-shaped building unit is arranged adjacent to each other so that structural members are adjacent to each other, and a fire protection coating is provided on a side edge of a wall panel installed adjacent to each structural member of these building units. A fire protection structure for a building, wherein a material is attached and the adjacent structural materials are covered together. 4. A method for attaching a fire protection covering material, comprising: attaching a fire protection covering material for covering the structural material to a side edge of a wall panel installed adjacent to a structural material of a building.