JPH08218547A - Support beam material for building construction substance - Google Patents

Abstract

PURPOSE: To improve safety and a construction work on a roof and the efficiency of a building work by a method wherein the end parts of a base plate are protruded outward and a joint plate is integrally disposed, the thickness of the plate is set to the same value as a difference in a level between the joint plate and the base plate, and the joint plate is arranged inwardly in parallel to the base plate. CONSTITUTION: A joint plate 5 is arranged at the end part of a long support beam material 1 in such a state to be protruded along the direction of length. In this case, the joint plate 5 is formed in parallel inward based on a base plate 2 by at least an amount equivalent to the thickness of the plate by a stepped part formed between the joint plate and the base plate 2 of which a support beam material 1 is formed. The joint plate 5 is fitted in the adjoining support beam material 1, and the end faces of the support beam materials 1 are joined together flush with each other to effect connection. This constitution performs a work to connect together the support beam materials 1 in a short time and simply.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supporting girder material for a building structure, and more particularly to a supporting girder material having a joint portion capable of continuously connecting long girder members in the longitudinal direction.

[0002]

2. Description of the Related Art Buildings may be provided with structures for daylighting, ventilation or smoke emission. For example, a daylighting device opens a part of a rooftop of a large building such as a gymnasium, an auditorium, a factory, and incorporates daylighting glass into the opening to take in natural light indoors. Such a structure is placed along the opening of the building, as shown in FIG.
Install support girder B on base girder A fixed on the building side,
The support girder B supports the daylighting glass D via a connecting member C such as a zipper gasket. Note that FIG. 7 shows a basic configuration for convenience of understanding, and actually, a plurality of other components are incorporated.

The structure is several tens of meters depending on the size of the building.
Since it is an elongated body having a length of from 100 m to 100 m, the supporting girder material B is also installed in an extremely long range.
However, it is extremely difficult for the supporting girder B to have the entire length of the structure due to transportation and construction work. In practice, the supporting girder B is formed to have an appropriate length, and a joint plate is used on site. Are continuously provided in the length direction.

FIG. 8 shows an example of the supporting girder material B, in which a long flat plate is used as a substrate and both sides in the length direction thereof are bent toward the inner side of the structure, and the length of the substrate E at the center is increased. On both sides in the direction, the connecting portions F and G with the above-mentioned basic girder material and glass are formed. Such support girder material B
Is to join the end faces of the adjacent support girders B to each other to form one long support girder. For this purpose, a joint plate H having the same shape as the substrate E of the supporting girder B is bridged between the adjacent supporting girders B, and the end faces of the supporting girders B are joined to each other with the joint plate H at the center. The supporting girder material B and the joint plate H are connected and fixed by welding or screws. Although the joint plate H is formed in an L shape in the drawing, this shape can be selected depending on the shape of the substrate E.

[0005]

The above-described work of connecting the supporting girder material B and the joint plate H is always performed at a high place on the roof of a building, but the scaffolding is unstable, and the supporting girder is unstable. Since the material B is a long and heavy body, it is constructed by a plurality of workers, but there is a risk of falling from the rooftop due to carelessness such as the workers not breathing together. In particular, since the construction work is performed at a position close to the opening for lighting, the risk of falling is even greater.

Moreover, if there is a slight deviation in the directionality between the supporting girder material B and the joint plate H, the directionality of the consecutive supporting girder materials B will not be straight, and the glass D will be supported. It became unstable, the glass D could not stand the wind pressure of the inside and outside pressures, and there was a risk of breaking, and it was also a cause of leakage of rainwater.

In view of the supporting girder material used in the above-mentioned conventional construction, the present invention forms a joint portion integrally with a long supporting girder material, thereby supporting the joint girder without the need for a separate joint plate. An object of the present invention is to provide a supporting girder member that can easily perform the connecting work between the girder members in a short time and can make the direction of the supporting girder members to be connected in the length direction linear. It is what

[0008]

In order to achieve the above object, the present invention provides a supporting girder material for a building structure in which a long flat plate-like substrate is bent inward on both sides in the longitudinal direction to form a connecting portion. At the end of the base plate 2, the joint plate 5
And the joint plate 5 is formed in parallel with the substrate 2 by forming a step with the substrate 2 at least to the same extent as the thickness of the substrate 2. Also, the joint plate 5 is
The bent shape is adapted to the connecting portion of the substrate 2.

[0009]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows an embodiment of the supporting girder material of the present invention,
This support girder 1 is a long material for forming a structure such as a daylighting device on the roof of a building, and a plurality of the support girders are continuously arranged in the length direction to form one support girder as a whole. The supporting girder 1 alone has a length of 3 to 10 m.

The support girder member 1 uses a long flat plate as a substrate, and both sides along the length direction of the substrate 2 are in the same direction, that is,
The joint plate 5 is formed by bending the inward direction of the structure to form the connecting portions 3 and 4, and projecting a part of one end of the substrate 2 in the outward parallel direction. One connecting part 3 is used for connecting the lighting glass, the other connecting part 4 is used for connecting to the foundation girder material fixed to the building, and further, the joint plate 5 is used for the adjacent supporting girders. The material 1 is continuously provided in the length direction.

In order to form such a supporting girder 1, as shown in FIGS. 2 and 3, one end portion of the long flat substrate 2 before the connecting portions 3 and 4 are bent and formed. Then, the end plate 7 is formed via the step portion 6 provided at an appropriate width interval position from the tip edge. The end plate 7 forms a step at least about the same thickness as the board 2 with respect to the board 2 with the step 6 as a boundary, and is continuously provided in parallel to the inside.

One of the two sides of the substrate 2 in the lengthwise direction is bent along a folding line abc to form the above-mentioned connecting portion 3, and the other side is bent along a folding line d and e to be connected. Although the part 4 is formed, both end parts of the end plate 7 are a rectangular part (shaded part) surrounded by the extension line b ′ of the folding line b and the step part 6 and an extension line d ′ of the folding line d and the step part. The square part (hatched part) surrounded by 6 and 5 is punched out and removed. And
One end of the end plate 6 is bent at the extension line a'of the fold line a at the same time when the connecting portion 3 is formed, and the joint plate 5 has a horizontal plate at right angles to the vertical flat plate as shown in FIG. L
It has a letter shape. The step 6 and the punching of both ends of the end plate 7 can be performed at once by pressing, but either the step 6 or the end plate 7 can be punched first. .

As shown in FIG. 4, the supporting girder member 1 having the above-described structure has a joint plate 5 protruding to one side of one supporting girder member 1a and a joint plate 5 of an adjacent supporting girder member 1b not having the joint plate 5. The support girders 1a and 1b may be fitted in the end portions, and there is a step difference between the substrate 2 and the joint plate 5 of the support girder 1a. It becomes one and is continuously provided in the length direction. Similarly, if a plurality of supporting girder members 1 are continuously arranged in the length direction, one supporting girder member 1 having a length of several tens of meters or more can be formed.
Since the joint plate 5 and the supporting girder member 1b adjacent to each other are connected by an L-shaped surface, there is no rattling in the vertical and horizontal directions. The joint plate 5 and the supporting girder 1b adjacent thereto are fixed by welding, screws or the like.

The joint plate 5 in the support girder 1 described above.
In the case of bending into an L shape, it is desirable that the contact area with the adjacent supporting girder member 1b is as wide as possible.
For this purpose, as shown in FIG. 5, both sides of the end plate 7 can be bent inward so that the joint plate 5 has a U-shape. That is, as shown in FIG. 6, one side of the end plate 7 is punched along the extension line b ′, and the other side is punched along the extension line e ′ of the folding line e, and the end plate 7 is extended along the extension lines a ′ and d ′. You may make a bend at. The step 6
When it is difficult to bend the end plate 7 along the extension lines a'and d'through the, the only extension line a'part is bent and the extension line d'part is cut off as a cut line, or Both the extension lines a ′ and d ′ may be cut lines.

If the joint plate 5 has a U-shape as described above, the area of continuous connection with the adjacent supporting girder members 1b becomes large, the rattling of the supporting girder members 1 with each other is reduced, and the connected girder members 1 are kept in a connected state. It will be stable.

In the supporting girder material 1 described above, the joint plate 5 is formed at one end of the substrate 2, but the joint plates 5 may be formed at both ends of the substrate 2. . In such a case, a supporting girder material 1 having the same shape but having no joint plate 5 is prepared separately, and both supporting girder materials 1 are alternately arranged in the length direction and connected by the joint plate 5. It may be provided.

[0017]

As described above, according to the present invention described above, the joint plate 5 is provided along the lengthwise direction at the end of the long supporting girder 1.
And the joint plate 5 is formed in parallel to the substrate 2 by at least the plate thickness by the step portion 6 formed between the joint plate 5 and the substrate 2 forming the supporting girder material 1. As a result, the end faces of the supporting girders 1 can be joined to each other in a flush manner so that the joint plates 5 can be consecutively arranged by simply fitting the joint plates 5 into the adjacent supporting girders 1. Therefore, it is possible to easily perform the continuous installation work between the support girder members 1 in a short time, and it is possible to improve the construction work efficiency. by this,
The risk of falling due to the construction work on the roof can be reduced.

Since the joint plate 5 is projected in parallel with the substrate 2, the mutual direction of the support beam members 1 can be specified only by fitting the joint plate 5 into the adjacent support beam members 1. Is. Moreover, since the joint plate 5 is integrated with the supporting girder member 1 on one side, after the joint plate 5 is fitted into the adjacent supporting girder member 1, it is possible to easily perform the alignment mainly in the direction. It is possible to secure a straight line state between the support girder members 1.

If the joint plate 5 is bent and formed in accordance with the same shape as the bent shape of the substrate 2, the connecting area with the adjacent supporting girder material can be widened, so that the joint plate 5 is supported. When it is fitted in the girder material 1, it is possible to reduce rattling.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a supporting girder material of the present invention.

2 is a side view of a substrate for forming the supporting girder material shown in FIG. 1. FIG.

3 is a plan view of a substrate for forming the supporting girder material shown in FIG. 1. FIG.

FIG. 4 is a perspective view of a part of a state where the supporting girder members are connected to each other.

FIG. 5 is a perspective view showing another shape of the supporting girder material of the present invention.

6 is a plan view of a substrate for forming the supporting girder material shown in FIG.

FIG. 7 is a schematic cross-sectional view showing a construct such as a conventional daylighting device.

FIG. 8 is a perspective view of a part of a conventional supporting girder member in a continuous installation state.

[Explanation of symbols]

 1 Support Girder 2 Substrate 3 Connecting Part 4 Connecting Part 5 Joint Plate 6 Step Part 7 End Plate a Folding Line b Folding Line c Folding Line d Folding Line e Folding Line a'Cutting Line d'Cutting Line e'Cutting Line A Foundation Girder material B Support girder material C Connection member D Glass E Substrate F Connection part G Connection part H Joint plate

Claims (2)

[Claims] 1. A support girder material for a building structure, comprising a long flat plate-shaped substrate bent inwardly on both sides in the length direction to form a connecting portion, and a joint is formed by projecting an end portion of the substrate 2 outward. Board 5
The supporting girder material for a building structure, wherein the joint plate 5 is formed integrally with the joint plate 5, and the joint plate 5 forms a step with the substrate 2 at least to the same extent as the plate thickness of the substrate 2 so as to be parallel to the inside. 2. The supporting girder material for a building structure according to claim 1, wherein the joint plate 5 has a bent shape that matches the connecting portion of the substrate 2.