JPH08199720A - Connection structure of joint of horizontal panel - Google Patents

Abstract

PURPOSE: To securely connect a plurality of panels laid down through joints and extremely effectively cope with the vertical or horizontal shearing forces acting between the panels. CONSTITUTION: In a connection structure of joints of a plurality of horizontal panels 1, 1,... laid on laterally laid members, oppositely facing holes 2, 2 are bored to respectively correspond to specified positions of both side faces 11, 11 of a pair of adjacent panels 1, 1. These two holes 2, 2 form a bulb-shaped hole 3 having a nearly conical upper part and a nearly cylindrical lower part by both holes. Mortar is filled in the bulb-shaped hole 3 to constitute the connection structure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint portion connecting structure of horizontal panel plates, and more specifically, it securely connects a plurality of laid panel plates through joint portions, and between the panel plates. The present invention relates to a joint structure for connecting joints of horizontal panel plates, which is capable of extremely effectively counteracting shearing force.

[0002]

2. Description of the Related Art Generally, an ALC panel plate made of foamed lightweight concrete or the like is laid horizontally in close contact with a horizontal member to construct a floor or roof. As a joint structure for connecting the joints of these horizontal panel plates, there is known one as described in JP-A-6-336781. JP-A-6-3367
As shown in FIGS. 6 to 8, the joint structure for connecting the horizontal panel plates described in Japanese Patent Publication No. 81 has a pair of adjacent horizontal panel plates 10, 10 ... Holes 20 and 20 facing each other are formed at predetermined positions on both side surfaces 110 and 110 of the panel plates 10 and 10, and the pair of panel plates 10 and 10 are formed by the two holes 20 and 20. A columnar hole 30 is formed, and the columnar hole 30 is filled with mortar 40 to form a pair of the horizontal panel plates 10, 1.
0 is connected at the joint portion 50.

Although only one columnar hole 30 is shown in FIGS. 6 to 8, in reality, the columnar hole 30 is provided between each of a plurality of adjacent panel plates 10, 10. One or a plurality of them are provided at predetermined positions on the both side surfaces 110, 110 to maintain the joint structure of the horizontal panel board.

[0004]

However, as shown in FIG.
In the joint structure for connecting the joint portion of the conventional horizontal panel plate shown in FIG. 8, when the columnar hole 30 is filled with the mortar 40, the columnar hole 30 has a shape in which a column is laid down sideways. When the mortar 40 is not filled in the entire space inside the cylindrical hole 30 and air bubbles are likely to remain in the corners inside the cylindrical hole 30 and a shearing force is applied between the pair of panel plates 10 and 10, The joint portion 50 between the panel plates 10, 10.
There was a case where it cracked or was misaligned.

Therefore, an object of the present invention is to horizontally connect a plurality of laid panel plates through joints and to effectively counter the shearing force acting between the panel plates. An object of the present invention is to provide a joint portion connecting structure of plates.

As a result of various studies, the inventor of the present invention has determined that the two holes formed at the predetermined positions on both side surfaces of the panel plate so as to be opposed to each other have a specific shape. It is possible to make it difficult for bubbles to remain, and at the same time, as shown in FIG.
In the joint structure for connecting the joints of the horizontal panel plates shown in FIGS. 8 to 8, it is possible to further connect the plurality of panel plates to each other as compared with the case where the mortar is filled in every corner without bubbles remaining in the cylindrical hole 30. We have found that it can be strengthened.

[0007]

SUMMARY OF THE INVENTION The present invention has been made based on the above findings, and in a joint structure for connecting joints of horizontal panel plates formed by laying a plurality of panel plates, a pair of adjacent adjacent ones are laid. Holes facing each other are formed at predetermined positions on both side surfaces of the panel plate, and these two holes form a bulbous hole in which the upper part is substantially conical and the lower part is substantially cylindrical. Therefore, the above object is achieved by providing a joint structure for connecting a joint portion of a horizontal panel plate, characterized in that the bulbous hole is filled with mortar.

[0008]

According to the joint portion connecting structure of horizontal panel plates of the present invention, the panel plates which are laid closely in parallel on the horizontal member are provided on both side surfaces of a pair of panel plates which are adjacent to each other through the joint portions. By filling the bulbous hole provided in the mortar with mortar, it is difficult for bubbles to remain in the hole, and the pair of panel plates can be reliably and firmly connected to each other.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a joint structure for joints of horizontal panel plates according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a floor using the joint part connecting structure of horizontal panel plates of the present embodiment, and FIG. 2 is between a pair of panel plates in the joint part connecting structure of horizontal panel plates of one embodiment of the present invention. FIG. 3 is a partial cutaway perspective view showing joints, FIG. 3 is a plan view of a main portion of a joint structure of joints of a horizontal panel plate of this embodiment, FIG. 4 is a sectional view taken along line AA in FIG. 3, and FIG. It is the BB sectional view taken on the line in FIG.

As shown in FIGS. 1 to 5, the joint structure for connecting the joints of the horizontal panel plates of this embodiment is composed of a plurality of panel plates 1 and 1.
Are the same as the conventional structure in that they are laid on the horizontal members 6, 6 ...

As shown in FIGS. 2 to 5, the joint structure of the horizontal panel board joints according to the present embodiment has both side surfaces 11 and 11 of a pair of adjacent panel boards 1 and 1 laid adjacent to each other. Of the two holes 2 and 2 facing each other at a predetermined position of each of the two holes 2 and 2 are a bulbous hole 3 having an upper portion having a substantially conical shape and a lower portion having a substantially cylindrical shape. It is formed by filling the bulb-shaped hole 3 with a mortar 4.

The joint structure for connecting the joints of the horizontal panel plates of this embodiment will be further described. As shown in FIG. 1, the plurality of panel plates 1, 1, ... , 6
... Supporting metal fittings 61, 61, which are laid on the horizontal members 6, 6 ...
Due to this, each set is restrained or fixed. The bulbous holes 3, 3, 3 ... Are formed on the side surface 11 of each panel plate 1 corresponding to the joint portion 5, 5 of the adjacent panel plates 1, 1, 1 in each set. Are formed at regular intervals.

As shown in FIGS. 2 to 5, the panel plates 1, 1, ... Are made of foamed lightweight concrete or the like.
The side surface 1 which is an LC panel and is located in the joint portion 5
A notch 7 is formed on the upper part of the side surface 1 over the entire area of the side surface 11, and the holes 2, 2, 2 are formed at regular intervals in the center of the side surface 11 in the thickness direction of the panel plate 1. Three are formed.

The holes 2, 2 and 2 are provided with the panel plates 1 adjacent to each other, and the two holes 2 and 2 facing each other are formed into the bulb-like shape. The holes 3, 3, 3 are formed, and similarly, the cutout portion 7 also forms a groove portion 8 together with the cutout portion 7 provided on the upper side surface 11 of the adjacent panel plate 1. The side faces 11, 11 of the pair of panel plates 1, 1 are the joints 5
When they are brought into close contact with each other, the above-mentioned bulbous holes 3
Is exposed in the groove 8 so that the bulbous hole 3 and the groove 8 are communicated with each other.

The most preferable procedure for constructing the floor of FIG. 1 to which this embodiment is applied will be briefly described. First, a plurality of the panel plates 1, 1 ... Are arranged on the horizontal members 6, 6 ...
1, 61 ... By the known method, the horizontal member 6,
6 ... Bind or fix on top. At this time, the three panel plates 1, 1, 1 in each set are not connected to each other, but the side surfaces 11, 11, ... It is in a state where the shearing force applied to the panel plates 1, 1, 1 cannot be countered.

Next, the bulb-shaped holes 3, 3, ... Formed in the joint portion 5 are filled with the mortar 4 from the portions exposed to the groove portions 8 on the upper portions thereof, and finally the groove portions 8 are filled. Also, fill the mortar 4 with the above-mentioned panel plates 1, 1
.. Finishing so that the upper surface becomes flat, the mortar 4 is dried and cured, and the connection of the joints 5 of the pair of panel plates 1 and 1 is completed.

A test example showing the effect of the present invention will be described below. [Test Method] As shown in FIG. 9, three ALC panel plates 1 in which joints 5 and 5 are connected according to the specifications described later.
A test product consisting of 1, 1 is laid on a flat surface, and the panel plates 1, 1 at both ends thereof are fixed by jigs 9, 9. In the laying surface of the panel plates 1, 1, 1 to the central panel plate 1,
A load P is applied through the jig 10 in a direction perpendicular to the parallel direction of the three panel plates 1, 1, 1 to exert a shearing force on the joints 5, 5, and the load and displacement at this time are measured. . It can be judged that the higher the maximum load measured is, the higher the shearing force can be opposed. [Test product] As shown in FIG. 9, one bulb-shaped hole 3 shown in each of FIGS. 3 to 5 is formed in the center of each joint portion 5, 5 of the three ALC panel plates 1, 1, 1. The product of the present invention, the product of the present invention, and the product of the related art in which the cylindrical holes 30 shown in FIGS.
The conventional product was measured twice. The results are shown in [Fig. 10]. In each of the above-mentioned test products, the test was performed after it was confirmed that no bubbles remained in the bulbous hole 3 and the cylindrical hole 30.

The maximum load measured is 2700 kg for the product of the present invention.
f, 2650kgf, whereas the conventional product is 1480kgf, 1390
It is kg, and the maximum load measured by the product of the present invention is about 1.9 times the maximum load measured by the conventional product. However, it is possible to endure a higher shearing force as compared with the conventional joint structure for connecting the joint portion of the horizontal panel plate by the cylindrical hole 30.

The joint structure for connecting the joint portion of the horizontal panel plate of the present invention is constructed as described above. According to the present invention, a plurality of laid panel plates are securely connected through the joint portion, and the panel plate is connected. It can very effectively counter the shear forces acting in between.

The present invention is not limited to the above embodiment.
For example, the number of the holes 2 provided in the side surface 11 of the one panel plate 1 may be one, two, or four or more instead of three as in the above-mentioned embodiment, and the position of the hole 2 may be one. Also,
The invention is not limited to the above embodiment. Further, an annular reinforcing bar is arranged in the bulb-shaped hole 3, the mortar 4 is filled in the bulb-shaped hole 3, and the pair of the panel plates 1 and 1 are filled with both the reinforcing bar and the mortar 4. The joint of the joint portions 5 may be made stronger. Other points can be appropriately changed without departing from the gist of the present invention.

[0021]

According to the connector of the present invention, the panel plates laid closely in parallel on the horizontal member are provided on both side surfaces of the pair of panel plates which are adjacent to each other through the joints. By filling the bulb-shaped hole with mortar, it is difficult for bubbles to remain in the hole, and the pair of panel plates are reliably and firmly connected to each other, which is extremely effective against the shearing force acting between the panel plates. You can compete.

[Brief description of drawings]

FIG. 1 is a plan view of a floor using a joint structure of horizontal panel boards according to an embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view showing a joint portion between a pair of panel plates in a joint portion connecting structure for a horizontal panel plate according to an embodiment of the present invention.

FIG. 3 is a plan view of an essential part of the joint structure of the horizontal panel board according to the embodiment of the present invention.

4 is a cross-sectional view taken along the line AA in FIG.

5 is a sectional view taken along line BB in FIG.

FIG. 6 is a plan view of a main part of a conventional joint structure for joints of horizontal panel plates.

7 is a cross-sectional view taken along the line CC in FIG.

FIG. 8 is a sectional view taken along line DD in FIG.

FIG. 9 is a plan view showing a test method of a test example showing the effect of the product of the present invention.

FIG. 10 is a graph showing the results of a test example showing the effect of the product of the present invention.

[Explanation of symbols]

 1 panel board 10 (panel board) side surface 2 hole 3 bulbous hole 4 mortar 5 joint 6 horizontal material

Claims (2)

[Claims] 1. A joint structure for connecting a joint portion of a horizontal panel plate, which is formed by laying a plurality of panel plates, in which holes facing each other are formed at predetermined positions on both side surfaces of the pair of adjacent panel plates laid, The two holes are
A joint for a horizontal panel plate characterized by forming a bulbous hole whose upper part is substantially conical and whose lower part is substantially cylindrical by both of them, and which is formed by filling mortar into the bulbous hole. Part connection structure. 2. The horizontal panel plate is a floor or roof AL
The joint part connecting structure for a horizontal panel plate according to claim 1, which is a C panel plate.