JP2557161B2 - Roof unit with parapet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parapet-equipped roof unit, and in particular, it can be utilized when constructing a flat roof such as a roof of a unit type building or a shed.

[0002]

[Background Art] Conventionally, in order to facilitate waterproofing of a flat roof of a building and prevent raindrops from the flat roof,
A parapet standing up to a predetermined height from the roof surface is provided on the outer peripheral portion of the roof. When installing this parapet in a unit type building consisting of multiple building units,
In the same way as conventional buildings such as steel frame construction using conventional construction methods, lightweight cellular concrete panels were installed at the construction site.
Further, it was provided by waterproofing the connecting portion with the roof surface.

[0003]

In the unit type building, by combining building units produced in a factory and incorporating various facilities at a construction site, the industrialization rate is improved and the proportion of field work is reduced. It is intended to reduce the construction period and cost. Therefore, providing parapets on a construction site as in the past in a unit type building increases the site work rate, lengthens the construction period accordingly, and does not reduce the cost. There was a problem that it could not be demonstrated.

An object of the present invention is to provide a roof unit with a parapet that can reduce the site work rate even in a unit type building having a parapet, and can shorten the construction period and cost. .

[0005]

A roof unit with a parapet of the present invention includes a roof surface portion having the same area and the same plane as the upper surface of a building unit constituting a unit type building, and
It is characterized in that it is composed of a parapet that is erected on the side of the roof facing the outer periphery of the building.

[0006]

In the present invention as described above, since the flat roof of the unit type building is composed of the roof unit and the parapet is provided in advance on the roof unit,
The upper surface of the roof unit, including the connection between the roof surface of the roof unit and the parapet, can be waterproofed in advance at the factory, etc., and the parapet can be installed at the construction site simply by installing the roof unit. Therefore, it is not necessary to install a parapet on site as in the conventional case, so the site work ratio is reduced, and the construction period and cost can be reduced. Further, since the roof surface portion of the roof unit has the same planar shape and the same area as the upper surface of the building unit, the roof unit is installed corresponding to each building unit, and even when the roof unit is provided on the upper surface of the plurality of building units, It is sufficient to prepare and install roof units as many as the number of building units, and it is easy to handle various plans and has high workability.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the unit-type building 1 of this embodiment is configured by combining five first-floor building units 2A and two second-floor building units 2B. As shown in FIG. 2, a roof unit 3 with a parapet according to the present invention is installed on each of the second-floor building units 2 to form a flat roof as a whole. As shown in FIGS. 1 and 2, the roof unit 3 includes a roof surface portion 4 that constitutes a flat roof portion, and a parapet 5 that is erected on the outer peripheral side of the building 1 on the roof surface portion 4.

The specific structure of these roof units 3 is
The roof unit 3 in which the parapet 5 is provided on the three side surfaces shown in FIGS. 3 to 7 will be described as an example. As shown in FIG. 3, the roof unit 3 is configured by arranging a parapet 5 upright on the outer peripheral portion of a roof surface portion 4 having the same planar rectangular shape and the same size as the upper surface of the building unit 2. From the upper surface of the roof surface part 4 to the inner wall side and the upper surface of the parapet 5,
A waterproof sheet 6 is attached as shown in FIGS.

That is, referring to FIG. 4 showing a cross section of the parapet 5 portion on the long side of the roof unit 3 and FIG. 5 showing a cross section of the parapet 5 portion on the short side, the roof unit 3 is a C type. A beam 10 made of a channel material and assembled in a rectangular frame shape is provided. A connecting bracket 11 having a U-shaped cross section and a support bracket 12 made of an angle member are attached to the two beams 10 facing each other on the long sides at predetermined intervals.

On the support bracket 12, a plurality of lightweight cellular concrete roof panels 1 having a predetermined size are formed.
3 are sequentially placed and fixed. Therefore, the roof unit 3
The roof surface portion 4 is composed of a plurality of roof panels 13 that are continuously provided on the beam 10 and the support bracket 12. The inclination of the roof panel 13, that is, the water gradient can be freely set by appropriately adjusting the mounting height of the support bracket 12 with respect to the connection bracket 11.

A parapet 5 made of lightweight cellular concrete is attached to the side surface of the beam 10 through a bracket or the like not shown.
Has been fixed. A plywood 15 serving as a base for attaching the waterproof sheet 6 is fixed to the inside of the rising portion exposed at the upper part of the beam 10 of the parapet 5 either directly or through a horizontal rail 14 as required. Roof panel 13 and plywood 15
A long waterproof sheet iron receiving plate 16 is fixed in between by nailing to close the gap between the roof panel 13 and the plywood 15.

A waterproof sheet 6 is adhered to the upper surface of the roof panel 13, and its peripheral end is adhered to the upper surface of the parapet 5 along the waterproof sheet iron plate 16 and the plywood 15. On the waterproof sheet 6 on the upper surface of the parapet 5, an aluminum waterproof presser 18 is pasted via a urethane sealing material 17, and an end of the waterproof sheet 6 is waterproofed. As shown in FIG. 3, in the corner portion of the parapet 5, a corner metal fitting 19 is attached on the waterproof sheet on the upper surface of the parapet 5.

At the four corners of the roof surface portion 4 of the roof unit 3,
As shown in FIG. 3, a hole 20 for attaching a hanging tool such as an eyebolt is formed. That is, as shown in FIGS. 6 and 7, the roof panel 13 arranged at the four corners of the roof surface portion 4 is notched in a flat L-shape at the end thereof, and is substantially cut along the notched surface. Two non-combustible board receiving beams 21 are nailed to the L shape. The hole 2 is provided on the non-combustible board receiving bar 21.
The incombustible board 22 formed with 0 is fixed. Hole 2
0 is formed so that it can be closed by a lid 23 made of a non-combustible board.

The beam 10 located below the non-combustible board 22 is welded with a joining plate 25 as shown in FIGS. Upper and lower joining bolt holes 26 are formed in the flange 25A of the joining plate 25. on the other hand,
A joint plate 31 similar to the joint plate 25 is welded to the ceiling beam 30 of the building unit 2B on the second floor on which the roof unit 3 is placed. Bolt holes 32 for vertical joining are also formed in the flange 31A of the joining plate 31, and a nut 33 is welded to the lower surface of the hole 32 portion of the flange 31A. The nut 33 has a joining plate 25, 31
Bolts 34 are screwed through the respective flanges 25A and 31A of the roof unit 3 and the building unit 2
Are joined.

A bracket 28 for a suspension nut is welded to the upper side of the joining plate 25, and a suspension nut 27 to which a suspension for suspending a unit is screwed is fixed to the bracket 28. The bracket 28 and the long nut 27 are provided at a height position where they come into contact with the lower surface of the non-combustible board 22, and can support the lid 23.

Next, a mounting operation of the roof unit 3 according to this embodiment will be described. First, the building units 2A and 2B and the roof unit 3 are assembled in advance at the factory. In the roof unit 3, the roof panel 13 and the parapet 5 are fixed to the frame-shaped beam 10, and the waterproof sheet 6 is attached.
It should be noted that the four corners of the roof surface part 4 are provided with the waterproof sheet 6 excluding the holes 20 or the waterproof sheet 6 is not pasted from the four corners, and the hanging nut 27 is attached to the hanging nut 27 from the holes 20. Attach the hanger of.

Then, the building units 2A, 2B and the roof unit 3 are transported to the construction site, and the building units 2A, 2B,
After installing 2B, the roof unit 3 is lifted by hanging the hook of the crane on the hanging tool, and is sequentially installed on each building unit 2B. At this time, when joining the building unit 2B and the roof unit 3, the operator puts his / her hands through the holes 20 at the four corners of the roof surface portion 4 of the roof unit 3 and the joining plate 2
5, 31 flanges 25A, bolt holes 26 of 31A,
It is performed by screwing a bolt 34 and a nut 33 through 32.

Then, a lid 23 is fitted and fixed in the hole 20,
A waterproof sheet 6 is attached on top of this for waterproofing. In addition,
When a plurality of roof units 3 are provided in series as shown in FIG. 1, waterproofing treatment is also appropriately applied between the roof units 3 to complete the site work.

According to this embodiment as described above, the following effects can be obtained. That is, since the flat roof of the unit-type building 1 is configured by using the roof unit 3 to which the parapet 5 is attached in advance, it is possible to reduce the site work as compared with the conventional case where the parapet is assembled on site. In particular,
The installation of the parapet 5 is completed only by installing the roof unit 3, and the waterproof sheet 6 can be attached in advance from the roof surface portion 4 of the roof unit 3 to the parapet 5, so that the installation work of the waterproof sheet 6 is also on-site. No need to do.
Therefore, the site work can be extremely reduced, the construction period can be remarkably shortened, and the construction cost can be reduced. Further, since the waterproof sheet 6 from the roof surface portion 4 to the parapet 5 can be attached in advance at the factory, waterproof finish can be surely performed.

Further, since the roof unit 3 has the same size and shape as the upper surface of each building unit 2B and can be installed corresponding to each building unit 2B, it is possible to easily cope with various planning of the unit type building 1, And roof unit 3
The installation work can be done easily.

It should be noted that the present invention is not limited to the above-described embodiments, but includes modifications and improvements as long as the object of the present invention can be achieved. For example, although the roof unit 3 of the present invention is used to form the flat roof portion of the roof of the unit-type building 1 in the above-described embodiment, it may be used for the lower roof of the unit-type building. Further, the roof unit 3 is not limited to the parapet 5 provided on the three side surfaces as shown in FIG. 3, and may be the one having the parapet 5 provided on one or two side surfaces shown in FIG. If one roof unit 3 is provided independently in a lower house, the parapets 5 may be provided on all four side surfaces. That is, the roof unit 3 of the present invention
Can be used not only when a plurality of roof units 3 are connected in series to form a relatively large roof as in the above embodiment, but also when one roof unit is provided independently.

Further, in the above-mentioned embodiment, the structure is such that the suspenders such as eye bolts can be attached to the four corners of the roof surface portion 4, but the suspenders may be attached to other parts such as the parapet 5 portion. Good. Further, the roof surface portion 4 and the parapet 5 are not limited to those made of a lightweight cellular concrete panel, and members made of other materials may be used. In short, according to the present invention, the parapet may be attached in advance to the substantially flat roof unit that constitutes the flat roof or the like, and the roof surface portion of the roof unit and the specific structure, material, etc. of the parapet may be appropriately set for implementation.

[0023]

As described above, according to the present invention, when constructing a unit-type building having a parapet, it is possible to reduce the site work ratio, shorten the construction period, and reduce the cost. There is.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a unit-type building to which an embodiment of the present invention is applied.

FIG. 2 is a schematic perspective view showing a roof unit with parapet of the present embodiment.

FIG. 3 is a plan view showing a roof unit with parapet of the present embodiment.

4 is a vertical cross-sectional view taken along the line IV-IV of FIG.

FIG. 5 is a vertical sectional view taken along line VV in FIG. 3;

6 is a vertical sectional view taken along the line VI-VI of FIG.

FIG. 7 is a schematic perspective view showing a corner portion of the roof unit of this embodiment.

FIG. 8 is a perspective view showing a part of a joining plate and a beam of the roof unit of the present embodiment.

[Explanation of symbols]

1 unit type building 2A, 2B building unit 3 roof unit with parapet 4 roof surface part 5 parapet 6 tarpaulin 10 beam 13 roof panel 25 joining plate

Claims (1)

(57) [Claims] 1. A roof surface portion having the same area and the same plane as the upper surface of a building unit constituting a unit type building, and
A roof unit with a parapet, comprising a parapet that is erected on the side of the roof facing the outer periphery of the building.