JPH06129053A - Long alc panel - Google Patents

Abstract

PURPOSE:To remarkably improve bending proof stress by embedding a rib lath in which arc ribs with the semicircular cross section are provided with a predetermined pitch in a light-weight aerated concrete board. CONSTITUTION:A rib lath 4 is formed by a metal lath net 4a and an arc rib 4b with the semi circular cross section, and the arc ribs 4b are arranged in parallel with the pitch of 30 to 80mm. And the rib lath 4 is embedded so that the long axis direction of the arc rib 4b is in parallel with the length direction of a light weight aerated concrete board 5. Thus, the whole weight can be reduced, and machining such as cutting can be done with extreme ease.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a long lightweight cellular concrete plate (ALC panel), and more particularly to a long ALC panel having a metal lath embedded therein.

[0002]

2. Description of the Related Art As a conventional publicly known example in which a metal lath is embedded in order to strengthen a long ALC panel, the first publicly known example in which the reinforcing bars shown in FIGS. The developed Japanese Utility Model Publication No. 52-15049 (second known example), the Japanese Utility Model Publication No. 54-145913 (the third known example), and the developed Japanese Utility Model Publication No. 57-165712 (fourth known example) are known. ing. The first known example is
As shown in FIG. 5 and FIG. 6, a long length A in which vertical main bars 1 and horizontal bars 2 having a diameter of 5 to 6 φ are embedded in both side surfaces of an ALC panel 3 respectively.
It is an LC reinforced panel.

The second known example is an eye size of 10 to 50 mm,
20 to 50 mm of metal lath with a weight of 0.3 to 1.5 kg / m ²
This is a technology for a fireproof coated plate embedded in an ALC plate having a plate thickness of.
The third known example is a technique of a thin ALC plate configured by embedding metal laths having a mesh size of 10 to 50 mm on both side surfaces of an ALC panel having a thickness of 20 to 50 mm. Furthermore, the fourth known example is a technology of a building reinforcing plate in which a rib lath in which flat plate-shaped ribs are arranged between a vertical strip and a horizontal strip is embedded in a gypsum board.

[0004]

However, among the above-mentioned known examples, the first known example uses the reinforcing bars 1 and 2 vertically and horizontally, so that it is possible to strengthen the ALC plate, but to increase the weight. However, there is a problem that the cost becomes high. Further, when cutting, drilling or the like is performed, if there are the reinforcing bars 1 and 2 in the portion to be processed, there is a problem that the processing work becomes difficult. Further, in the second known example and the third known example, when the thin metal lath is used, the strength of the long ALC plate cannot be sufficiently obtained, and the product length is limited to a certain length. It was Therefore, if the thickness of the metal lath is increased in order to make a long plate of about 3 m, the whole becomes heavier this time and, like the above-mentioned first known example, processing such as cutting becomes difficult. There was a problem.

The fourth known example is a technique using a rib lath, but since the ribs are formed of a flat plate and the bending resistance in the longitudinal direction cannot be sufficiently obtained, the second known example and the third known example described above are used. Similar to the example, there was a problem that the strength of a long ALC plate could not be obtained sufficiently. The long ALC panel according to the present invention is a technique developed in view of the above-mentioned conventional problems, and is particularly aimed at a long ALC panel which is lightweight, easy to process, and has sufficient strength in the longitudinal direction. It is what

[0006]

A long ALC according to the present invention
The panel is a technology that has fundamentally improved the above-mentioned conventional problems, and its gist is a long ALC plate in which a rib lath is embedded in a lightweight cellular concrete plate, and the rib lath has a semicircular cross section. A long ALC panel characterized in that the arc ribs are arranged in parallel at a pitch of 30 to 80 mm, and the long axis direction of the arc ribs matches the longitudinal direction of the long ALC plate. is there.

[0007]

In the long ALC panel according to the present invention, the rib lath is embedded in the lightweight cellular concrete as described above, so that the entire panel can be reinforced with the rib lath and can be used for cutting, drilling and the like. Long AL without obstacles
A C panel can be constructed. In the rib lath, arcuate ribs having a semicircular cross section are arranged in parallel at a pitch of 30 to 80 mm, and the major axis direction of the arcuate ribs is long A.
3m because it is configured to match the longitudinal direction of the LC plate
Even with a long ALC plate having the above length, the bending resistance in the longitudinal direction can be significantly improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the long ALC panel according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a partially cutaway perspective view of the long ALC panel according to the present invention, and FIG. 2 is a long ALC panel. FIG. 3 is a vertical sectional view of an essential part of FIG. 3, FIG. 3 is a plan view of a rib lath, and FIG.

1 to 4, reference numeral 4 denotes a rib lath, which is formed by a lath net 4a made of metal and an arc rib 4b having a semicircular cross section. This rib lath 4 is 0.5mm
It is formed by processing a steel plate having a thickness and a length slightly shorter than 4 m, and the circular arc ribs 4b having a height of 8 mm are arranged in parallel at a pitch of 75 mm. 5 is a lightweight cellular concrete board, length 4.0m, width 0.6
The thickness is 0.075 m, and the rib laths 4 are integrally embedded on both side surfaces of the lightweight cellular concrete plate 5, respectively. The arcuate ribs 4b of the rib lath 4 are embedded in a direction parallel to the longitudinal direction of the lightweight cellular concrete plate 5.

The strength test and the weight test of various long ALC panels manufactured by the present inventor were carried out for a long period of time, and the rib lath 4 having the pitch of the arc ribs 4b of 30 mm or less was formed on the lightweight cellular concrete plate 5. When embedded, there is a problem that the weight of the long ALC panel becomes too large. On the other hand, when the rib lath 4 in which the pitch of the arcuate ribs 4b is set to 80 mm or more is embedded in the lightweight cellular concrete plate 5, there is a problem that the flexural strength is significantly reduced. Therefore, it was found that the pitch of the circular arc ribs 4b is effectively 30 to 80 mm.

Further, the rib of the rib lath is formed in a flat plate shape as in the above-mentioned fourth known example, and the circular arc rib 4 having a semicircular specific cross section like the rib lath 4 used in the present invention.
When the ribs of the rib lath 4 were circular arc ribs 4b as in the present invention as in the present invention, the ribs were formed in a flat plate shape. It was found that the flexural strength was significantly improved as compared with that of

In particular, when the arcuate ribs 4b of the rib lath 4 are parallel to the longitudinal direction of the lightweight cellular concrete plate 5,
It was also found that the bending strength in the longitudinal direction of the long ALC panel can be remarkably improved. As a result of the above various tests, it was found that a remarkable effect can be obtained when the rib lath 4b in the range shown in the following table is used.
Further, as a result of the test, even if the width of the long ALC panel is 0.6 m or more, there is no great difference, and the preferable value of the mesh R is 10 to 10.
It was also found that it was about 30 mm, and the preferable value of the mesh S was about 10 to 30 mm. Margin below

[0013]

[Table 1]

[0014]

Since the long ALC panel according to the present invention has the above-described structure and function, the long ALC panel can be reinforced by the rib lath. In particular, since arc ribs having a semicircular cross section of the rib lath are provided parallel to the longitudinal direction of the long ALC plate, the bending strength of the long ALC plate in the longitudinal direction can be significantly improved. Further, since the long ALC panel of the present invention is embedded with a thin rib and a constant rib lath, it has a feature that the whole weight is light and processing such as cutting and drilling is extremely easy. It is a thing.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a long ALC panel according to the present invention.

FIG. 2 is a vertical cross-sectional explanatory view of a main part of a long ALC panel.

FIG. 3 is a plan view of a rib lath.

FIG. 4 is a cross-sectional plan view of a main part of a long ALC panel.

FIG. 5 is a partially cutaway perspective view of an ALC panel showing a conventional example.

6 is a cross-sectional plan view of a main part of the ALC panel of FIG.

[Explanation of symbols]

 1 Vertical main bar 2 Horizontal bar 3 ALC panel 4 Rib lath 4a Lath net 4b Arc rib 5 Lightweight cellular concrete plate

Claims (1)

[Claims] 1. A long ALC plate in which a rib lath is embedded in a lightweight cellular concrete plate, wherein the rib lath has arcuate ribs having a semicircular cross section arranged in parallel at a pitch of 30 to 80 mm, and A long ALC panel, characterized in that the long axis direction of the circular arc ribs matches the long direction of the long ALC plate.