Fire fence and fire spread prevention structure between buildings

Abstract

To prevent a fire from spreading between buildings by irreducible necessary fireproof panels while omitting or reducing repairs for fire prevention facilities for an opening part of a building.SOLUTION: A fire spread prevention structure between buildings comprises a first building 10, a second building constructed at an interval with the first building 10, and a fire fence 30 stood at an intermediate position between the first building 10 and second building. The fire fence 30 comprises a frame 40 which has a plurality of fitting frame parts 41 arranged in a lattice shape to face both a wall surface 11 of the first building 10 and a wall surface of the second building, and a fireproof panel 50 which is fitted to at least one fitting frame part 41 among the plurality of fitting frame parts 41. One or a plurality of fireproof panels 50 cover the whole opening part 13 provided at a part 12 of the wall surface 11 of the first building 10 which faces a frame 40.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a fire wall and a structure for preventing the spread of fire between buildings. [Background technology]

[0002] The Building Standards Act stipulates that when a new building is constructed adjacent to an existing building, openings such as windows in the wall of the existing building that adjoins the new building must be renovated to install fire prevention equipment.

[0003] In addition, the Building Standards Act stipulates that, as an alternative measure to the above-mentioned renovation of openings, a fire wall should be erected on the ground between the existing building and the new building, away from both the existing building and the new building.

[0004] Patent Document 1 discloses a prefabricated fire wall comprising a fire wall main body having a rectangular plate made of glass fiber reinforced cement and legs attached to the lower end of the plate, and connecting means for connecting adjacent plates of the fire wall main body together when the plates are aligned horizontally. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 58-164868 Summary of the Invention [Problem to be solved by the invention]

[0006] The fire wall described in Patent Document 1 is constructed by arranging multiple fire wall body plates horizontally and connecting adjacent plates. Therefore, when erecting a fire wall on the ground between buildings, the fire wall body is installed in the part where there are no openings, i.e., in the part where no fire protection equipment is required. As a result, there is a problem that the fire wall structure becomes excessive. [Means for solving the problem]

[0007] Various aspects of fire walls and fire prevention structures between buildings to solve the above problems will be described below. [Aspect 1] A fire wall provided at an intermediate position between a first building and a second building to prevent a fire from spreading between the first building and the second building, A frame having a plurality of mounting frame parts arranged in a lattice pattern so as to face both a wall surface of the first building and a wall surface of the second building; A fire panel attached to at least one of the mounting frames. Fire fence.

[0008] According to this configuration, if the fire panels are attached to the mounting frame so as to cover the entire opening provided in the wall of the first building facing the mounting frame with one or more fire panels, it is possible to prevent the spread of fire from the opening of the first building to the second building. This makes it possible to omit or reduce the need to renovate the opening of the first building to install fire protection equipment, for example, when constructing a new building, the second building, at a distance from the existing first building. Therefore, it is possible to prevent the spread of fire between buildings with the minimum number of fire protection panels while omitting or reducing the need to renovate the openings of the buildings to install fire protection equipment.

[0009] [Aspect 2] The mounting frame portions have the same shape and size, The plurality of fire panels are of the same shape and size as one another; 2. The fire wall according to claim 1.

[0010] This configuration makes it possible to further simplify the construction of the fire wall. [Aspect 3] The first building, a second building constructed at a distance from the first building; The fire wall according to claim 1 or 2 is provided at an intermediate position between the first building and the second building, The one or more fire panels entirely cover an opening provided in a portion of the wall of the first building facing the frame. Structure to prevent fire from spreading between buildings.

[0011] According to this configuration, it is possible to prevent the spread of fire from the opening of the first building to the second building. As a result, for example, when a new building, the second building, is constructed at a distance from an existing first building, renovation work for installing fire protection equipment at the opening of the first building can be omitted or reduced. Therefore, it is possible to prevent the spread of fire between buildings with the minimum number of fire panels while omitting or reducing renovation work for installing fire protection equipment at the opening of the building.

[0012] [Aspect 4] The one or more fire panels entirely cover an opening provided in a portion of the wall surface of the second building facing the mounting frame. A fire prevention structure between buildings according to aspect 3.

[0013] With this configuration, the fire panel can effectively prevent the spread of fire from the opening in the second building to the first building. [Aspect 5] The frame is provided so as to cover the entire wall surface of the second building. A fire prevention structure between buildings according to aspect 3 or aspect 4.

[0014] With this configuration, the fire panel can effectively prevent the spread of fire from the opening of the first building to the entire second building. [Aspect 6] At least one of a greening panel covered with plants, a display panel displaying information, and an art panel is attached to the mounting frame. A fire prevention structure between buildings according to any one of aspects 3 to 5.

[0015] According to this configuration, it is possible to effectively utilize the mounting frame sections, among the multiple mounting frame sections provided on the frame, to which no fireproof panels are attached. Effect of the Invention

[0016] According to the present invention, it is possible to prevent the spread of fire between buildings using the minimum number of fire panels necessary, while eliminating or reducing the need for renovations to install fire prevention equipment at openings in buildings. [Brief description of the drawings]

[0017] [Figure 1] FIG. 1 is a plan view showing the arrangement of a first building, a second building, and a fire wall according to one embodiment. [Diagram 2] FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. [Diagram 3] FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. [Figure 4] FIG. 4 is a side view of a fire panel unit that constitutes the fire wall of FIG. [Diagram 5] FIG. 5 is a side view of a fire panel constituting the fire panel unit of FIG. [Figure 6] FIG. 6 is an exploded plan view showing the layer structure of the fire panel of FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] Hereinafter, one embodiment will be described with reference to FIGS. As shown in Figures 1 and 2, the fire prevention structure between buildings comprises a first building 10, a second building 20 erected at a distance from the first building 10, and a fire wall 30 located midway between the first building 10 and the second building 20.

[0019] The first building 10 and the second building 20 have opposing wall surfaces 11, 21. In this embodiment, the wall surfaces 11, 12 are parallel to each other. As shown in FIG. 1, the width of the wall surface 11 (the length in the left-right direction in FIG. 1) is greater than the width of the wall surface 21.

[0020] As shown in FIG. 2, the height of the wall surface 11 (the length in the vertical direction in FIG. 2) is lower than the height of the wall surface 21. Next, the configuration of the fire wall 30 will be described in detail.

[0021] As shown in FIG. 1, the fire wall 30 has a main body 31 and two sleeves 32. The main body 31 is erected on the ground 90 at a midpoint between the first building 10 and the second building 20. The main body 31 extends outward beyond both ends of the wall 21 in the width direction (left-right direction in FIG. 1) of the wall 21 of the second building 20. In the following description, the width direction of the wall 21 of the second building 20 will simply be referred to as the width direction.

[0022] The sleeve sections 32 bend from both ends of the main body section 31 in the width direction and extend so as to approach the second building 20. The fire wall 30 is U-shaped in plan view. As shown in FIG. 2, the height of the main body 31 is lower than the height of the wall surface 11 of the first building 10 and higher than the height of the wall surface 21 of the second building 20.

[0023] <Fire Wall 30> As shown in FIG. 3, the fire wall 30 includes a frame 40 and a fire panel 50 . (Frame 40) 3, the frame 40 has a plurality of mounting frame parts 41 arranged in a lattice pattern so as to face both the wall surface 11 of the first building 10 and the wall surface 21 of the second building 20. The multiple mounting frame parts 41 have the same shape and size.

[0024] The multiple mounting frame portions 41 are arranged side by side in the vertical direction and also in the horizontal direction, so as to form a lattice pattern as a whole. As shown in Fig. 4, the mounting frame 41 has a pair of vertical plates 42 extending in the up-down direction and a pair of horizontal plates 43 connecting the upper ends of the pair of vertical plates 42, and has a rectangular shape when viewed from the front. Note that Fig. 4 shows only one of the vertical plates 42.

[0025] The mounting frame parts 41 adjacent to each other in the vertical direction and the mounting frame parts 41 adjacent to each other in the horizontal direction are connected to each other via connecting parts (not shown). The connecting parts may be configured by a bolt and nut fastening structure, or may be configured by a recessed and protruding fitting structure.

[0026] As shown in FIGS. 1 and 2, the frame 40 is provided so as to cover the entire wall surface 21 of the second building 20. Although not shown, the lowermost mounting frame portion 41 among the multiple mounting frame portions 41 has a fixing portion provided on its underside for fixing the fire wall 30 to the ground 90.

[0027] (Fireproof Panel 50) 3 and 4, the fire protection panel 50 is attached to at least one of the multiple mounting frame parts 41. The multiple fire protection panels 50 have the same shape and size as one another.

[0028] As shown in FIGS. 4 and 5, a fireproof panel 50 includes a panel frame 51 and a panel main body 52 that is housed in and fixed to the panel frame 51. The panel frame 51 has a rectangular shape when viewed from the front.

[0029] The panel body 52 is rectangular in shape and includes a non-combustible base 55, a pair of gypsum boards 53 sandwiching the non-combustible base 55 therebetween, and a pair of metal plates 54 sandwiching the pair of gypsum boards 53 therebetween. As shown in FIG. 4, in this embodiment, the fireproof panel 50 is fixed to the mounting frame 41 by inserting a screw 44 into a mounting portion 56 provided on the panel frame 51 and screwing it into the mounting frame 41.

[0030] 3, the opening 13 provided in the portion 12 of the wall surface 11 of the first building 10 facing the frame 40 is entirely covered with the plurality of fire panels 50. Moreover, the fire panels 50 are not attached to the mounting frame portions 41 that do not face the opening 13 among the plurality of mounting frame portions 41.

[0031] Next, the operation of this embodiment will be described. Since the fire panel 50 covers the entire opening 13 provided in the portion 12 facing the mounting frame 41, it is possible to prevent a fire from spreading from the opening 13 of the first building 10 to the second building 20. As a result, for example, when a new building, the second building 20, is erected at an interval from the existing first building 10, renovation work for installing fire prevention equipment at the opening 13 of the first building 10 can be omitted or reduced.

[0032] Next, the effects of this embodiment will be described. (1) The fire wall 30 comprises a frame 40 having multiple mounting frame portions 41 arranged in a lattice pattern so as to face both the wall surface 11 of the first building 10 and the wall surface 21 of the second building 20. The fire wall 30 comprises a fire panel 50 attached to at least one of the multiple mounting frame portions 41.

[0033] With this configuration, the above-mentioned effect is achieved, so that it is possible to prevent the spread of fire between the buildings 10, 20 with the minimum number of fire panels 50 required, while eliminating or reducing the need for renovations to install fire prevention equipment at the opening 13 of the first building 10.

[0034] (2) The multiple mounting frames 41 have the same shape and size. The multiple fire panels 50 have the same shape and size. With this configuration, the construction of the fire wall 30 can be further simplified.

[0035] (3) The fire prevention structure between the buildings comprises a first building 10, a second building 20, and a fire wall 30. One or more fire panels 50 entirely cover an opening 13 provided in a portion 12 of a wall 11 of the first building 10 facing the frame 40.

[0036] According to this configuration, it is possible to achieve the same effect as (1) above. (4) The frame 40 is arranged to cover the entire wall 21 of the second building 20. With this configuration, the fire panel 50 can effectively prevent the spread of fire from the opening 13 of the first building 10 to the entire second building 20.

[0037] (5) Of the multiple mounting frame portions 41, no fire panels 50 are attached to the mounting frame portions 41 that do not face the opening 13. This configuration can reduce the weight of the fire wall 30. In addition, ventilation and lighting can be ensured through the mounting frame portions 41 where the fire panels 50 are not attached.

[0038] <Modification> This embodiment can be modified as follows: This embodiment and the following modifications can be combined with each other to the extent that there is no technical contradiction.

[0039] The wall surfaces 11 and 12 do not have to be parallel to each other. The number of fire panels 50 can be changed as appropriate as long as it can cover the entire opening 13 .

[0040] The layer structure of the fireproof panel 50 can be changed as appropriate, for example, by omitting the metal plate 54. At least one of a greening panel covered with plants, a display panel that displays information, and an art panel may be attached to the mounting frame 41. The fireproof panel itself may have the functions of greening, display, and art, or an additional panel may be provided in addition to the fireproof panel. The additional panel is a panel that adds a function other than fireproofing to the fireproof fence, and may be at least one of a greening panel covered with plants to enhance the scenery or increase the evaporation of water, a display panel that displays information, and an art panel that enhances the aesthetics of the fireproof fence. The additional panel may be attached to a mounting frame to which the fireproof panel is not attached, or may be attached to a mounting frame to which the fireproof panel is attached. In addition, in the case of a display panel, it can be embodied as a video display device. In this case, it can also display information such as advertising information for commercial facilities and weather forecasts.

[0041] According to this configuration, it is possible to effectively utilize the mounting frame portions 41, among the multiple mounting frame portions 41 provided on the frame 40, to which no fireproof panel 50 is attached. For example, when a portion of the multiple mounting frame parts 41 that does not face the opening 13 of the first building 10 faces an opening in the wall surface 21 of the second building 20, the fireproof panel 50 may be attached to the mounting frame parts 41 so as to cover the entire opening. In other words, the entire opening provided in the portion of the wall surface 21 of the second building 20 that faces the mounting frame parts 41 may be covered by one or more fireproof panels 50.

[0042] With this configuration, the fire panel 50 can effectively prevent the spread of fire from the opening of the second building 20 to the first building 10. Conversely, if a fire prevention facility is provided at the opening in the wall 21 of the second building 20 , the opening in the wall 21 of the second building 20 does not need to be covered by the fire prevention panel 50 .

[0043] The frame 40 may cover a portion of the wall 21 of the second building 20 adjacent to the first building 10. The plurality of mounting frames may include one that is different from the other mounting frames in at least one of shape and size. Similarly, the plurality of fire panels may include one that is different from the other fire panels in at least one of shape and size.

[0044] The front view shape of the mounting frame portion 41 and the fireproof panel 50 is not limited to a rectangle, but may be another shape, such as a triangle. In the above embodiment, a configuration in which one fireproof panel 50 is attached to one mounting frame portion 41 has been exemplified, but a plurality of fireproof panels 50 may be attached to one mounting frame portion 41 in a vertical or horizontal line. Also, one fireproof panel 50 may be attached to a plurality of mounting frames 41 adjacent to each other. Also, a plurality of mounting frames 41 adjacent to each other may face one opening. Also, one fireproof panel 50 may be attached to a plurality of mounting frames 41.

[0045] The fire wall 30 may be inclined in the vertical direction. For example, a pair of frames, each inclined in the vertical direction, may be assembled to form an inverted V shape in side view. [Explanation of symbols]

[0046] 10...first building, 11...wall, 12...part, 13...opening, 20...second building, 21...wall, 30...fire wall, 31...main body, 32...sleeve, 40...frame, 41...mounting frame, 42...vertical board, 43...horizontal board, 44...screw, 50...fire panel, 51...panel frame, 52...panel main body, 53...gypsum board, 54...metal plate, 55...non-flammable base, 56...mounting part, 90...ground.

Claims

1. A fire wall provided at an intermediate position between a first building and a second building to prevent a fire from spreading between the first building and the second building, A frame having a plurality of mounting frame portions arranged in a lattice pattern so as to face both a wall surface of the first building and a wall surface of the second building; A fire panel attached to at least one of the mounting frames. Fire fence.

2. The mounting frame portions have the same shape and size, The plurality of fire panels are of the same shape and size as one another; The fire wall according to claim 1.

3. The first building; a second building constructed at a distance from the first building; and the fire wall according to claim 1, which is provided at an intermediate position between the first building and the second building, The one or more fire panels entirely cover an opening provided in a portion of the wall surface of the first building facing the frame. Structure to prevent fire from spreading between buildings.

4. The one or more fire panels entirely cover an opening provided in a portion of the wall surface of the second building facing the mounting frame. A fire prevention structure between buildings according to claim 3.

5. The frame is provided so as to cover the entire wall surface of the second building. A fire prevention structure between buildings according to claim 3 or 4.

6. At least one of a greening panel covered with plants, a display panel displaying information, and an art panel is attached to the mounting frame. A fire prevention structure between buildings according to claim 3.

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