JPH084195A - Building panel - Google Patents

Abstract

(57) [Summary] [Object] To obtain a building panel in which a protruding space such as a living room can be easily formed outside a building and the protruding space can be formed safely. [Structure] A floor panel 10 is composed of an upper portion of a thin concrete plate 11 and an upper portion of the lattice truss of an omni truss 12 and an exposed omni panel 13, and a precast concrete member 21 is formed on one side of the floor panel 10. Panel A for building by connecting the upper ends of the wall panels 20 together
Has a hook-shaped cross section. The floor panel 10 may be made of a PCa plate, and the wall panel 20 may be made of a shaped steel reinforced PCa concrete member which is reinforced with shaped steel and a part of the shaped steel is exposed on the surface of a thin concrete plate. May be. Further, another wall panel made of the same member as the wall panel 20 is integrally joined to the wall panel and the floor panel, and a building panel is constructed by three side panels that are joined at right angles to each other as a whole. You may.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention relates to building panels,
In particular, the present invention relates to a panel for forming a projecting space such as a living room or a balcony on the outer side of the outermost beam or the outermost column of a building.

[0002]

2. Description of the Related Art In order to form projecting spaces such as living rooms and balconies outside the outermost beams and columns of a building, after constructing a formwork for the floors and walls of the projecting spaces, the site is constructed on these sites. The recruitment was being done at.

[0003]

However, since the concrete was placed after the floor and wall forms for the projecting space had been constructed, the forms were placed and supported, and the reinforcing bars were placed. ， Construction of concrete is required, and there is a drawback that it takes a lot of work. In particular, since scaffolding and supporting work are required on the outside of the wall, a space therefor is required, and materials for that purpose and labor for assembling and removing are required. In addition, it is possible to construct floors and walls using precast concrete panels that have been widely used in recent years, but especially when constructing walls with this panel, the center of gravity of the panel is located at the center of the wall thickness. In addition, since it is unstable in the inside and outside directions of the building and there is a high possibility that it will fall outside, there is a large scale and type and number of supporting means to prevent the panels from falling from the time when the panels are built until the wall is completed. However, there is a problem in that it is forced to increase.

Therefore, an object of the present invention is to provide a building panel in which a projecting space such as a living room can be easily formed outside the building, and an object of the present invention is to form the projecting space. The purpose is to provide building panels that can be made safe.

[0005]

A building panel according to claim 1, wherein a thin precast concrete form member (hereinafter referred to as "the thin precast concrete formwork member" in which the upper part of the lattice reinforcement and the top reinforcement of the Omnia truss are exposed on the upper surface of the thin concrete plate. Omnier board "), and the upper end of a wall panel made of a precast concrete member (hereinafter referred to as" PCa board ") that is reinforced by at least one of steel frames and reinforcing bars on one side of the floor panel. It has a hook-shaped cross section.

The building panel according to claim 2 is reinforced by a shaped steel on one side of a floor panel made of an omni board, and a part of the shaped steel is exposed on the surface of the thin concrete board. The upper end of a wall panel made of a shaped steel reinforced precast concrete member (hereinafter referred to as "shaped steel PCa plate") is integrally joined to form a hook-shaped cross section. Further, the building panel according to claim 3 has a hook-shaped cross section in which the upper end of a wall panel also made of a PCa plate is integrally connected to one side of a floor panel made of a PCa plate. is there. Here, it is preferable that the floor anchoring line is projected from the end face of the floor panel where the wall panel is not joined.

Further, the building panel according to claim 4,
On one side of the floor panel composed of PCa plate, the shaped steel PCa
The upper end of a wall panel made of a plate is integrally joined to form a hook-shaped cross section. Also in this floor panel, it is preferable that the floor anchoring streak is projected as in the third aspect. In each of these building panels, a floor panel and a wall panel are typically joined at a right angle and integrally molded, but an acute angle or an obtuse angle may be included in the angle. This is to correspond to the case where the outer peripheral wall of the building is a sloping wall.

Further, in the building panel according to the fifth aspect, the side edge of another wall panel made of a PCa plate or a shaped steel PCa plate is integrally connected to the side edge of the wall panel, and The upper end of the wall panel is integrally connected to the other side edge of the floor panel to form a three-sided panel as a whole. A window can be opened in any of the wall panels described above, and it is preferable that a cotter or other joint is formed on the side edge of the PCa plate forming the floor panel or the wall panel, in addition to the above-mentioned floor fixing line. is there.
In addition, metal fittings for connecting the upper and lower building panels may be installed at both upper and lower ends of the wall panel. It is preferable to provide a sleeve (for example, a splice sleeve) that receives the bar.

[0009]

A building panel in which an upper end of a wall panel made of a PCa plate is integrally joined to one side of a floor panel made of an omni board according to claim 1 is a bouncing formed in advance projecting to the outside of the building. Place the lower end of the wall panel on the upper surface of the slab to make the floor panel horizontal, and support the building panel by interposing a support, etc. between the floor slab and the floor slab. The spaces are connected by using metal fittings and sleeve joints, and the tip of the floor panel is connected to the beam formwork on the floor directly above.

At this time, since the floor panel is located inside the wall panel rather than the wall panel, the center of gravity of the building panel as a whole is closer to the building side than the wall panel. The support such as the support of the panel may be a simple one mainly on the compression side. It is possible to build a plurality of building panels by joining their side edges together.In this case, it is only necessary to connect adjacent wall panels with a joint such as a cotter, and joints are mortar or other joints. It shall be closed with a filling material.

In addition, a reinforcing bar is installed between the floor panels, and a floor anchorage is extended to the upper surface of the floor panel between the floor panel and the beam form or floor form on the floor directly above the building. ,
Concrete is placed on the upper surface of the floor panel made of omnier plate, inside the beam formwork, and inside the floor formwork. As a result, the floor and beam on the floor directly above and the floor of the overhanging room outside thereof are integrally formed. Each such operation can be performed inside the wall panel and does not require external scaffolding support.

In the case of the building panel in which the upper end of the wall panel made of the shaped steel PCa plate is integrally connected to one side of the floor panel made of the Omnia plate described in claim 2, The action of the building panel of item 1 is different only in the joining of the wall panels when adjoining the neighboring building panels, and is otherwise the same. That is,
Since the adjacent wall panels are both composed of shaped steel PCa plates, the exposed shaped steels near the side edges of the shaped steel PCa plates are connected to each other by fixing means such as bolts and nuts so that the adjacent wall panels are connected to each other. Can be joined.

According to a third aspect of the present invention, in the building panel according to the first aspect, the function of the building panel according to the first aspect is that the floor panels are joined together when the adjacent building panels are joined together and the tip of the floor panel is joined. The difference is that it is connected to the beam formwork etc. on the upper floor. That is, the floor panels are connected to each other by a joint such as a cotter, and the joint is closed with a filler such as mortar. In addition, when connecting the floor panel and beam formwork, etc., the floor anchoring muscle is projected from the tip of the floor panel,
This anchor is placed on the beam formwork or on the floor formwork inside the building, and by placing concrete on the beam formwork or floor formwork, the floor panel is fixed to the beam or floor of the building. In other respects, the operation is the same as that of claim 1.

According to a fourth aspect of the present invention, in the building panel joining method, the floor panels are connected by a joint such as a cotter as in the third aspect, and the joint is a filler such as mortar. Closed by. In addition, when connecting the floor panel and the beam formwork, etc., the floor anchoring bar is projected from the tip of the floor panel, and this anchoring bar is placed on the beam formwork or on the floor formwork inside the building, By placing concrete on the formwork and floor formwork, the floor panels are fixed to the beams and floors of the building. On the other hand, the joint between the wall panels is defined by claim 2.
Like the connection of wall panels in the building panel of
Adjacent wall panels can be joined by connecting the exposed shaped steels near the side edges of the adjacent shaped steel PCa plates by a fixing means such as bolts and nuts. In other respects, the operation is the same as that of claim 1.

A building panel according to a fifth aspect is for a building which forms a side end of the projecting space when the projecting space is formed by using the building panel according to any one of the first to fourth aspects. It is a panel. That is, when the projecting space is a living room, it is this building panel that forms the corners of the right end and the left end of the living room when the exterior is seen from the building. in this case,
The wall panel parallel to the outer wall of the building is to be connected to the wall panel of the adjacent building panel by the means described in any one of claims 1 to 4, and the floor panel is also for the adjacent building. The floor panel of the panel and the beam formwork are connected by the means described in any of the above claims. The lower end of the wall panel that is in contact with the outer wall of the building is joined to the slab by using metal fittings and sleeve joints. The end face on the building side of the wall panel that is in contact with this outer wall is connected to the outer wall of the building, but two wall panels that are in contact with each other are joined at the lower end to the spring slab,
The floor panel is sufficiently supported by being joined to the beam formwork.

[0016]

1 to 3 are views showing a first embodiment of the present invention and correspond to the building panel described in claim 1. This building panel A is one in which the upper end of a wall panel 20 is integrally connected to one side of a floor panel 10 to form a hook-shaped cross section.
The upper panel of the omni truss 12 is formed of an omnier plate 13 which is formed by exposing the lattice upper part and the top part of the lattice. 21, and both panels 10 and 20 are integrally molded at the time of molding. The meaning of this integral molding includes, of course, molding both panels 10 and 20 at the same time, but it goes without saying that it also includes molding one panel and then integrally molding the other panel. . This Omnia board 13
Is a PCa thin concrete plate 11 with a thickness of about 60 m.
m, the protruding dimension of the Omni truss 12 from its upper surface is about 100 mm, and the wall panel 20 of the floor panel 10
Is a PC thick enough to cover the Omni truss 12
a It is composed of concrete board, and the thickness of this part is about 1
It is 80 to 200 mm. Note that the above thickness dimensions are merely examples, and the dimensions of the panels 10 and 20 are not limited thereto.

A plurality of rebars 26 are provided on the upper end of the wall panel 20, and a connecting metal piece 22 is provided at a position along them.
Are fixed to form a joint for connecting another building panel A to the top. Further, cotters 23 are formed on both sides of the wall panel 20 to form a joint for connecting another building panel A to the adjacent one. Further, a sleeve 24 is embedded at the lower end of the wall panel 20, and another building panel A
When the building panel A is connected to the top of the building, the same reinforcing bar as the reinforcing bar 26 projecting from another building panel A is inserted into the sleeve 24 and fixed by a grout material. ing. In this way, when the building panels A are vertically connected, the upper and lower building panels A are temporarily fixed by the connecting hardware 22. Reference numeral 25 denotes a window opening provided on the wall panel 20.

A procedure for forming a living room as a projecting space outside the perimeter beam of a building using the building panel A will be described below mainly with reference to FIG. In FIG. 3, the inner slab 41 on the first floor, which is constructed on the foundation 40, is integrally formed with the slab 42, and the second slab is constructed with the inner slab 43 and the beam 44. The panel A for the building is built in, so that the living room is formed outside the perimeter beam on the first floor, and the inner slab 4 on the second floor
3 and the beam 44, the floor panel 1 of the first floor building panel A
The outer slab on the second floor is integrally formed by 0.
Here, the rebar slab 42 on the first floor is preliminarily provided with a projecting bar 45 at the tip thereof, and the sleeve 24 of the panel A for the building on the first floor is externally fitted and fixed to this, and also rebounded. Connection between the slab 42 and the building panel A 22
Are linked by The connecting hardware 22 may be for temporary installation or may be for permanent installation.

The construction of the second floor is performed by first hanging the same building panel A on the building panel A of the first floor. At this time, the sleeve 24 at the lower end of the wall panel 20 in the building panel A on the second floor is externally fitted to the bar 26 protruding from the upper end of the wall panel 20 in the building panel A on the first floor, and
The building panel A on the second floor is connected by the connecting hardware 22 attached to the upper surface of the building panel A on the floor. In addition, the building panel A on the second floor is supported by pushing and pulling by interposing an oblique support 46 between the wall panel 20 and the inner slab 43, and vertically between the floor panel 10 and the outer slab on the second floor. The building panel A is supported with a support 47 interposed. Since the center of gravity of the panel A is on the inner side of the building with respect to the wall panel 20, there is no risk of falling outward, and therefore the pulling force of the diagonal support 46 may be small.

A floor form 48 for constructing an inner slab on the third floor and a beam form 49 for constructing a peripheral beam are formed, and the beam form 49 is supported by a vertical support 50.
Then, from the beam form 49 to the floor form 48, the floor fixing streak 51 is arranged from the omni truss 12 on the floor panel 10, and the beam streak and the floor streak are installed (not shown). Concrete is poured on the panel 10, the beam form 49, and the floor form 48. After hardening of this concrete, the supports 46, 47, 50 and the forms 48, 49
Although the construction work for building the second-floor building panel A is completed by removing, the connection hardware 22 is also removed when the construction is completed when the connection hardware 22 is used as a temporary stop.

When a plurality of building panels A are installed in parallel on the same floor, adjacent building panels A are also connected. At this time, hooks formed of reinforcing bars are engaged between the reinforcing bars fixed in the recesses of the cotters 23 of both panels A, and the recesses are filled with concrete to connect the wall panels 20 to each other. Further, the concrete is placed between the floor panels 10 in a state where anchoring streaks similar to the floor anchoring streaks 51 are installed. In this case, each panel A
Is connected to each panel A on the first floor and the floor slab on the third floor with high strength, the connection strength between the panels A arranged in parallel does not have to be high. Moreover, you may fill the joint material between the end surfaces of the building panels A installed in parallel.

By repeating the above, it is possible to form the projecting space in parallel with the construction of the inner slab and the outer perimeter beam of the building. FIG. 4 shows a modification of the first embodiment, in which an opening 25 for a window is formed.
5 is a modified example of the first embodiment, in which the wall panel 20 is inclined to form an obtuse angle with the floor panel 10. .

FIG. 6 shows another modification of the first embodiment and corresponds to the building panel of claim 5. This building panel Aa is the same as the building panel A shown in FIGS.
Second wall panel 20a made of Ca concrete plate 21
Is a one-piece molding. Here, the edge of the floor panel 10 on the side of the second wall panel 20a is also made of a PCa concrete plate having a large thickness similarly to the edge on the side of the wall panel 20, and thus the floor panel 10 is a flat hook type along the two edges. The quadrilateral part other than the part is formed by the omnier plate 13.

The second wall panel 20a is not provided with an opening 25 like the wall panel 20, and the wall panel 2 is not formed.
Although the cotter 23 is not formed on the side portion far from 0, they may be formed. The connecting metal piece 22, the sleeve 24, and the bar 26 are provided as shown in the drawing. Thus, this building panel Aa is integrally constructed by three panels 10, 20, 20a forming a right angle with each other, and the end portion of the living room formed as shown in FIG. It is a building panel that forms the left end of the room when viewed from inside the building. Therefore, the side portion of the second wall panel 20a farther from the wall panel 20 is joined to the outer wall or pillar of the building. Although not shown, the invention is also applicable to a left-right symmetrical position with respect to the opening 25, that is, when the second wall panel 20a is continued to the side opposite to the wall panel 20.
The building panel can be configured to be a building panel for forming the right end of the living room when viewed from the inside of the building. In other respects, it is the same as the building panel A of FIG.

7 and 8 show a second embodiment, which corresponds to the building panel according to claim 2, and this building panel B is the first embodiment shown in FIGS. 1 to 3. The floor panel 10 is the same as the example building panel A, and the wall panel 20
Is different in that it is constituted by a shaped steel PCa plate 27. Therefore, in this embodiment, the wall panel 20 will be described in detail.

The wall panel 20, as shown in particular in FIG.
It is constituted by a shaped steel PCa plate 27 which is a shaped steel reinforced precast concrete member which is reinforced by the shaped steel 28 and a part of the shaped steel 28 is exposed on the surface of the thin concrete plate 29. As the shaped steel 28, a grooved steel is used here, and the shaped steel is arranged vertically and horizontally to form a lattice, but it is also possible to use a shaped steel having another cross-sectional shape. Also, this wall panel 2
Although 0 has no opening for the window, it is possible to provide the opening 25 as in the first embodiment, and in this case, the shaped steel 28 is arranged so as to avoid the opening 25. It shall be. In the shaped steel PCa plate 27 of this embodiment, the thin concrete plate 29 has a thickness of about 50 to 70 mm, the web height of the shaped steel 28 is about 150 mm, and the thickness of the shaped steel PCa plate 27 is about 170 to 200 mm. However, the present invention is not limited to these dimensions. FIG.
Although not shown in the figure, similarly to the first embodiment, a sleeve 24 having an open lower end is embedded in the lower end of a thin concrete plate 29, and a reinforcing bar 26 and a connecting metal member 22 are provided at the upper end of a shaped steel PCa plate 27. It is provided.

The building panel B is built in the building by the same method as the building panel A of the first embodiment,
To connect the adjacent wall panels 20 in the building panels B arranged side by side, the shaped steels 28 at the side edges may be connected to each other by a conventional fixing means such as a bolt and nut. The other configurations are the same as those of the first embodiment, and the floor panel 10 and the wall panel 20 can be provided with the same second wall panel as the wall panel 20, which is not shown, but the first embodiment is not shown. Similar to the example.

9 and 10 show a third embodiment, which corresponds to the building panel according to claim 3, and this building panel C is the first building panel shown in FIGS. It differs from the building panel A of the embodiment in that the wall panel 20 is the same and that the floor panel 10 is composed of a PCa plate 30, that is, a precast concrete member reinforced by built-in reinforcing bars. Therefore, in this embodiment, the wall panel 20 is provided with the same reference numeral as that of the wall panel 20 of FIGS. PCa board 3
0 has a thickness of about 130 to 200 mm and has the same thickness as the PCa concrete plate 21 of the wall panel 20, but the thickness of both is, for example, the floor panel 1 rather than the wall panel 20.
Of course, 0 may be thickened to increase the strength.

A cotter 14 is provided on each side of the floor panel 10.
Are formed to form a joint for connecting another building panel C to the adjacent side. The cotter 14 is composed of a concave portion and a reinforcing bar projecting inside the concave portion.
After the rebars of the cotters 14 facing each other are connected to each other, the recess is filled with concrete. Further, anchoring streaks 15 are provided in advance from the end surface of the floor panel 10 on the building side, and the anchoring streaks 15 are provided in the first embodiment.
Similar to 1, it is used to secure the floor panel 10 to the building side. Other configurations and operations are the same as those of the above-described embodiments, and thus duplicated description will be omitted.

FIG. 11 is a modification of the third embodiment and corresponds to the building panel of claim 5. This building panel C
a is a building panel C shown in FIG. 9 and a second wall panel 20a made of a PCa concrete plate 21 integrally molded. The second wall panel 20a is not provided with the opening 25 unlike the wall panel 20, and the wall panel 2 is not formed.
Although the cotter 23 is not formed on the side portion farther from 0, it goes without saying that these may be formed. The connecting metal piece 22, the sleeve 24, and the bar 26 are provided as shown in the drawing.

Thus, this building panel Ca is integrally constructed by three panels 10, 20, 20a forming a right angle with each other, and serves as a building panel for forming the left end of the living room when viewed from the inside of the building. Become. Therefore, the side portion of the second wall panel 20a farther from the wall panel 20 is joined to the outer wall or pillar of the building. Although illustration is omitted, the building panel according to claim 5 is also provided at a left-right symmetrical position around the opening 25, that is, when the second wall panel 20a is continuous to the opposite side of the wall panel 20. It can be configured, in which case it can be a building panel for forming the right end of the living room as seen from inside the building.

12 and 13 show a fourth embodiment, which corresponds to the building panel according to claim 4, and this building panel D is the second embodiment shown in FIGS. 7 and 8. The example building panel B and the wall panel 20 are identical, and FIGS.
Building panel C and floor panel 10 of the third embodiment shown in FIG.
Are the same, and the wall panel 20 and the thin-walled concrete board 2
9 and the PCa plate 30 are integrally molded. That is, in the building panel D of this embodiment, the floor panel 10 is made of the same PCa plate 30 as described above, and the wall panel 20 is made of the same shaped steel PCa plate 27 as described above. However, the reinforcing bar 26 is not provided at the upper end of the shaped steel PCa plate 27, and the shaped steel P
Since the sleeve 24 is not provided at the lower end of the Ca plate 27, when connecting the building panel D vertically, the connecting metal piece 22 is used not as a temporary fixing but as a final fixing. Needless to say, the reinforcing bar 26 and the sleeve 24 may be provided as in the embodiment, and the upper and lower building panels D may be connected using these.

Also in this embodiment, although not shown, a second wall panel having the same structure as that of the wall panel 20 is connected to the side portion of the wall panel 20 and the side portion of the floor panel 10 to form the structure shown in FIG. As in the case of FIG. 11, a three-sided building panel may be used. The other structure and operation are the same as the wall panel 20 of the second embodiment for the wall panel 20, and the floor panel 1
Since 0 is the same as that of the floor panel 10 of the third embodiment, duplicate description will be omitted.

Details of an example of the cotter 23 of the first and third embodiments and the cotter 14 of the third and fourth embodiments are shown in FIG. That is, the adjacent PCa concrete plates 21
Reinforcing bar 21a in each recess at the end of (PCa plate 30 is the same)
Are exposed, and both PCa concrete boards 2
Between the reinforcing bars 21a of No. 1, a connecting metal piece 21b made of reinforcing bars bent at both ends is erected, and the hook part of the connecting metal piece 21b is engaged with both reinforcing bars 21a. In this state, concrete or Both PCs by filling with mortar etc.
a Concrete plates 21 are connected to each other.

As the connecting means between the upper and lower building panels and the connecting means between the adjoining building panels, in addition to the above, it is possible to adopt a means which is commonly used as a joining means for precast concrete boards. Of course you can.

[0036]

As described above, according to the present invention, any building panel is a building panel having a hook-shaped cross section in which the upper end of the wall panel is integrally connected to the end of the floor panel. When constructing a protruding space such as a living room outside the outer perimeter beams and outer perimeter columns of the building, the building work of the outer wall of the floor and the floor of the floor immediately above can be performed simultaneously, and the center of gravity of the building panel is Since it is located inside the building, there is no need to take measures to prevent the building panel from falling over, or even if it is necessary, a small scale is sufficient and there is no need for scaffolding or support work outside the wall. Becomes Therefore, according to the present invention, it is possible to easily form a protruding space such as a living room outside the building, and it is possible to safely form the protruding space.

In particular, according to the building panel of claim 1, since the omni truss is exposed on the upper surface of the floor panel, the omni truss is exposed at the time of placing concrete for the perimeter beam of the building and the floor inside thereof. It is possible to integrally construct the outer perimeter beam, the inner floor, and the floor such as the overhanging room by placing floor anchoring lines between them and placing concrete on these and the upper surface of the floor panel. Moreover, since the wall panel of this building panel is made of PCa concrete plate, the outer wall can be immediately constructed by building the building panel.

According to the building panel of claim 2, the floor panel has the same effect as that of claim 1, and since the shaped steel PCa plate is used as the wall panel, it is lightweight and is adjacent to the wall panel. The joints can be joined by a conventional fixing means such as a bolt and nut. According to the building panel of claim 3, since both the floor panel and the wall panel are made of PCa concrete plate, the outer wall and the floor of the floor immediately above are immediately constructed by building the building panel. can do.

According to the building panel of claim 4, since the floor panel is composed of the PCa concrete plate, it is possible to immediately construct the floor of the floor immediately above by building the building panel. Shaped PC as panel
Since the a plate is used, it is lightweight and the adjacent wall panels can be joined to each other by commonly used fixing means such as bolts and nuts.

According to the building panel of the fifth aspect, the corners of the projecting space such as a living room can be easily formed by building this.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment.

FIG. 2 is a sectional view taken along line I-I in FIG.

FIG. 3 is a sectional view showing a construction example of the first embodiment.

FIG. 4 is a sectional view showing a modification of the first embodiment.

FIG. 5 is a sectional view showing another modification of the first embodiment.

FIG. 6 is a perspective view showing still another modification of the first embodiment.

FIG. 7 is a perspective view of a second embodiment.

8A and 8B are explanatory views of the second embodiment, in which FIG. 8A is a front view as seen in the direction of the arrow X in FIG. 7, FIG. 8B is a side view of FIG. 7A, and FIG. 8C is c-c of FIG. A line sectional view, (D) a sectional view taken along the line d-d of (A), and (E) a bottom view of (A).

FIG. 9 is a perspective view of a third embodiment.

FIG. 10 is a sectional view taken along line II-II of the third embodiment.

FIG. 11 is a perspective view showing a modification of the third embodiment.

FIG. 12 is a perspective view of a fourth embodiment.

FIG. 13 is an explanatory diagram of the fourth embodiment, FIG.
Front view in the Y direction, (B) is a side view of (A), (C)
Is a sectional view taken along line cc of (A), (D) is a sectional view taken along line dd of (A), and (E) is a bottom view of (A).

FIG. 14 is an explanatory diagram of a cotter on a PCa concrete plate.

[Explanation of symbols]

 A, Aa, B, C, Ca, D ... Building panel 10 ... Floor panel 11 ... PCa Thin concrete plate 12 ... Omnia truss 13 ... Omnia plate 20 ... Wall panel 21・ ・ ・ PCa concrete plate 27 ・ ・ ・ Shaped steel PCa plate 28 ・ ・ ・ Shaped steel 29 ・ ・ ・ Thin wall concrete plate 30 ・ ・ ・ PCa plate

Claims (5)

[Claims] 1. A floor panel is constituted by a thin-walled precast concrete formwork member in which the upper part of lattice reinforcement and the top reinforcement of Omnia truss are exposed on the upper surface of a thin concrete plate, and a floor panel is formed on one side of this floor panel. A building panel, characterized in that a wall panel made of a precast concrete member reinforced by at least one of them is integrally joined to form a hook-shaped cross section. 2. A floor panel is constituted by a thin precast concrete formwork member in which the upper part and the upper part of the lattice reinforcement of the Omnia truss are exposed on the upper surface of the thin concrete plate, and the floor panel is reinforced by the shape steel and A panel for buildings, characterized in that the upper end of a wall panel made of shaped steel reinforced precast concrete member exposed at the surface of a thin concrete plate is integrally joined to one side of the floor panel to form a hook-shaped cross section. . 3. A precast concrete member comprising a precast concrete member reinforced with at least one of a steel frame and a reinforcing bar, and a precast concrete member reinforced with at least one of a steel frame and a reinforcing bar on one side of the floor panel. A panel for buildings, characterized in that the upper end of the wall panel is made into a hook-shaped cross section. 4. A floor panel is constituted by a precast concrete member reinforced by at least one of a steel frame and a reinforcing bar, and one side of the floor panel is reinforced with a shaped steel, and a part of the shaped steel is thin-walled concrete. A building panel, characterized in that a wall panel made of a structural steel reinforced precast concrete member exposed on the surface of a plate is integrally joined to form a hook-shaped cross section. 5. A precast concrete member reinforced by at least one of a steel frame and a reinforcing bar, and a shaped steel reinforced precast concrete member reinforced by a shaped steel and a part of the shaped steel is exposed on the surface of a thin concrete plate. And a side edge of another wall panel made of any of the members is integrally connected to a side edge of the wall panel, and an upper end of the other wall panel is integrally formed with another side edge of the floor panel. The building panel according to any one of claims 1 to 4, wherein the building panel is configured by three panels that are joined together and are joined together as a whole.