JPH0732695Y2 - Fire-resistant roof base structure such as spherical roof - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refractory type base structure applied to a roof formed by a curved surface such as a spherical shape or a conical shape, and more particularly to a refractory type roof base structure such as a spherical roof which can be easily constructed. It is a thing.

[0002]

2. Description of the Related Art FIG. 10 shows a conventional refractory roof base structure applied to a spherical roof or the like. This structure has arc-shaped rafters 2, 2, 2, ... Radially arranged along the roof surface of the spherical roof 1, and fire-resistant field boards 3 etc. mounted on these rafters 2, 2, 2. Consists of
A large number of metal roof plates 4, 4, 4, ... Are raised in a single letter on a waterproof sheet (not shown) that covers the base plate 3.

[0003]

However, the above-mentioned roof base structure has the following problems. (1) Since the bending strength of the field board itself is not sufficient, it is not possible to set a large interval between the rafters 2 and the rafters 2, 2, 2
Assembly work of… is troublesome. (2) Since the size of the base plate 4 is limited (usually the vertical and horizontal dimensions are 6 shaku x 3 shaku), when installing a large spherical roof, etc., attach a large number of the base plates 3 one by one. This requires a lot of time for installation work.

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide a large size refractory type roof underlay structure to simplify the structure such as a spherical roof and to facilitate the construction.

[0005]

In order to achieve the above object, the present invention provides the following means, namely, "a trapezoidal fire resistant base plate and a base plate so as to cover the upper surface of the base plate. A flat roof structure attached to the upper surface, wherein the structure body is assembled by stacking a large number of metal mold members having a channel-shaped cross section in upper and lower two layers to assemble a refractory roof base structure such as a spherical roof "and Preferably, "the lower part is fixed to the bottom plate in a state in which the lower parts are arranged in a tapered manner on each other, and the rear part is fixed to the bottom plate, and the upper parts are adjacent to each other. The ventral part of the leg is fixed to the tip of the leg of the lower die, and the tips of both legs of the upper die are ventral of the lower die. Roof underlayer structure such as a spherical roof that is fixed to the It was.

[0006]

[I] Since the fireproof base plate is reinforced by the structure, the bending strength of the base structure is large. Therefore, it becomes possible to manufacture a large one (width of 2 to 3 meters, vertical dimension of about 6 meters, weight of about 500 kilograms), and it is not necessary to attach a large number of base plates as in the past, so the construction time is greatly increased. It can be shortened. Further, it is possible to set a large interval between the receiving members (purlins) that support the base structure, and the roof structure can be simplified. [II] By adjusting the overlapping margin of the upper and lower mold members and selecting the length thereof, it is possible to economically manufacture a roof underlayer structure suitable for a curved roof having various shapes and dimensions.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 8 show an embodiment of the present invention. The main part of this embodiment is a vertically long trapezoidal fire-resistant base plate 11 and a base plate so as to cover the upper surface of the base plate 11. 11 is composed of a flat structure 12 and the like integrally attached to the upper surface of the structure 11. This structure 12 is mainly made by stacking a large number of metal mold members 13 and 15 having a channel-shaped cross section in two layers above and below. There is.

The base plate 11 is made of the same material as in the past, which is made by mixing bricks such as asbestos fibers or straws into a mortar and then drying and solidifying the mixture to form a plate.

Explaining the structure 12 further in detail, the lower mold member 13 is tapered and juxtaposed with each other on the base plate 11, and the rear surface 14 of the lower mold member 13 is connected to the base member 11 through an attaching means such as an adhesive. The upper mold member 15 is integrally mounted on the main plate 11, and the upper mold member 15 sits on the two adjacent leg portions 16 of the lower mold member 13 adjacent to each other in the state of being abdominal 17 thereof.
Is fixed to the end portions of the two leg portions 16 and 16, and the end portions of both leg portions 16 and 16 of the upper mold material 15 are further fixed to the ventral side 17 of the lower mold material 13. still,
If the spot welding 18 is used for fixing the mold members to each other as shown, the fixing work is simple and convenient.

Outermost parts 13a, 13a of the lower mold material
Is obtained by dividing the shape member 13 into two in the vertical direction, and extends along the hypotenuses 19 and 19 of the trapezoidal base plate 11. The remaining mold members 13, 13, 13 ... Are arranged at positions where the outermost mold members 13a, 13a are evenly divided, and the upper mold members 15, 15, 15 ... Are the lower mold members 13, 15 ,. .. are located at equal intervals with respect to each other. Therefore, the respective mold members are arranged in a tapered manner as a whole as shown in FIG. That is, the distance d ₁ between adjacent mold members at the upper end of the base plate 11 (see FIG. 3).
Is the distance d ₂ between the mold members at the opposite end (see FIG. 5).
Although it is smaller than (see FIG. 1) (d ₁ <d ₂ ), the difference d ₂ −d _{1 in} this interval is adjusted by changing the overlapping margin a (see FIG. 1) between the upper and lower molds 15 and 13. .

This is because the roof margin suitable for a curved roof having various shapes and dimensions by adjusting the overlapping margin a of the upper and lower mold members 15 and 13 and appropriately selecting the length of the mold members 13 and 15. This means that the structure can be configured, and furthermore, there is an advantage that material procurement at the time of manufacturing is easy and material cost can be reduced.

1, FIG. 3, and FIG. 5 show about 10 mold materials for the purpose of explaining the structure of the structure in principle, but a large base structure (width size of 2 to 3) is shown. 20 to 30 mold materials are used when constructing metric ones).

On the upper surface of the structure 12, a required number (9 in the figure) of studs 20, 20, 20 ... Are erected on the upper mold member 15 at appropriate intervals in the width and vertical directions. . These studs 20 are fittings 2 for fastening roof materials (slate roof tiles, metal roof boards, etc.) above the mold material 15.
1 (For details, see the actual development 63
(See No. 192524, etc.).

The tips of the legs 16 of the mold members 13 and 15 are formed with small flanges 22 to facilitate spot welding between the mold members.

Next, the method of manufacturing the base structure of this embodiment and the construction procedure at the construction site will be described. First, the base plate is cut into a vertically long trapezoidal shape so as to fit the shape and size of the trunk (the side close to the equator 23) of the spherical roof (see FIG. 7), while conforming to the shape and size of this base plate. Separately, a structure to be manufactured is attached, this structure is attached to a base plate, and a roof base structure (width dimension of 2 to 3 meters, vertical dimension of about 6 meters) that is as large as possible is manufactured in the factory.

Next, the large-size roof ground structure 24 is transported to the construction site and mounted on the receiving members 27, 27, 27 of the spherical roof 26 using the crane 25 as shown in FIG. , 27, 27 are fixed. Reference numeral 28 in the drawing is a rafter supporting the receiving member 27.

A modification of the structure is shown in FIG. In this modification, the cross-sectional shapes of the mold members 13b and 15b are formed in a U-shape, and the flange 22 is further provided at the tip of the leg so as to project inward. Other than this, there is no difference from that shown in FIG.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and for example, the present invention may be applied to a conical roof instead of the spherical roof, and other points of the present invention. It goes without saying that various changes can be made without departing from the above.

[0019]

As described above, the present invention has the following excellent results. [I] Since the fireproof base plate is reinforced by the structure, the bending strength of the base structure is large. Therefore, it is possible to manufacture a large-sized one (width of 2-3 meters, vertical dimension of about 6 meters), and it is not necessary to attach a large number of base plates as in the past, so the construction time can be greatly shortened. . Further, it is possible to set a large interval between the receiving members (purlins) that support the base structure, and the roof structure can be simplified. [II] By adjusting the overlapping margin of the upper and lower mold members and selecting the length thereof, it is possible to economically manufacture a roof base structure suitable for a curved roof having various shapes and dimensions.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention (II in FIG. 2)
(View from the direction of the arrow) is shown horizontally.

FIG. 2 is a view (plan view) taken along the line II-II in FIG.

3 is a view from the direction of the arrow III-III in FIG.

FIG. 4 is an enlarged view of a IV portion in FIG.

5 is a view from the direction of VV in FIG.

6 is an enlarged view of a VI portion in FIG.

FIG. 7 is an explanatory diagram showing a construction procedure for a spherical roof.

8 is a plan view showing a half of the spherical roof shown in FIG. 7. FIG.

FIG. 9 is a sectional view showing a deformed portion of the structure.

FIG. 10 is an explanatory diagram of a base structure of a conventional spherical roof.

[Explanation of symbols]

 11 Field plate 12 Structure 13, 13a, 13b Lower mold member 14 Back face of mold member 15, 15b Upper mold member 16 Leg part 17 Vent side of mold member

Claims (2)

[Scope of utility model registration request] 1. A fire-resistant base plate formed in a trapezoidal shape, and a flat structure attached to the upper surface of the base plate so as to cover the upper surface of the base plate, the structure mainly having a channel-shaped cross section. A refractory roof underlay structure such as a spherical roof, which is constructed by stacking a large number of metal mold materials that are stacked one above the other in two layers. 2. The lower mold member is fixed to the base plate in a state where the lower mold members are tapered and juxtaposed to each other, and the upper mold member is adjacent to the adjacent lower mold members. Fit 2
The ventral part of the leg is fixed to the tip of the leg of the lower die, and the tips of both legs of the upper die are ventral of the lower die. The fire-resistant roof substrate structure for a spherical roof or the like according to claim 1, which is fixed to the portion.