JPH08232380A - Binding member between steel member and reinforced concrete and monocoque structural panel using the binding member and building under monocoque structure - Google Patents

Abstract

PURPOSE: To excel in economic efficiency and seismic performance and increase an indoor effective area and reduce a floor height and draft a free building design. CONSTITUTION: A plurality of openings 6 and reinforcement through holes 7a and 7b are formed on a binding material 5 and they are used for reinforced concrete structure comprising a steel member made of a steel plate 1 or a structural steel and reinforced concrete and fixed on the steel member in the form of lattices. A monocoque structural panel, which employs this binding material, comprises a panel form 2 made of the steel plate 1 and a binding material 5 fixed inside the panel form in the form of lattices and reinforcements 11a and 11b which are inserted into the reinforcement through holes and concrete 12 filled up inside the panel form. A building under a monocoque structure is available by using this monocoque structural panel.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining member of steel members and reinforced concrete, a monocoque structural panel using the joining member, and a monocoque structure building using the panel.

[0002]

2. Description of the Related Art Conventionally, a wall-type reinforced concrete structure in which a building weight is supported by a pressure wall is known as opposed to a reinforced concrete structure or a steel frame reinforced concrete structure in which a building weight is supported by columns and beams. Compared with reinforced concrete structures and steel-framed reinforced concrete structures, this wall-type reinforced concrete structure is superior in earthquake resistance because it supports the weight of the building as a whole outer wall, and because it has no columns, it has the advantage of increasing the indoor effective area. Have

[0003]

However, in the conventional wall-type reinforced concrete structure, since the building weight is supported only by the reinforced concrete, the supporting weight must be increased and the wall amount must be increased, such as windows. There is a problem that the thickness of the partition wall increases when the partition wall is used as a structure because of the restriction on the opening of the partition wall, and it is impossible to freely design the building. In particular, there is a limit to the adoption of this structure because the supporting weight increases as the building height increases.

In order to solve this problem, it is indispensable to develop a structure that is thin, lightweight and tough. By the way, as a way of thinking of the structure in the body of an automobile or an airplane, a monocoque structure (stress skin structure) in which stress is borne by the outer skin is known, and by distributing the force from the outside to the whole body and supporting it by the whole body, It is thin, lightweight and has a strong structure.

Therefore, starting from the idea of adopting the above monocoque structure in a building structure, a steel plate and reinforced concrete are used as an outer cover, and a steel plate having excellent tensile strength and reinforced concrete having excellent compressive strength support the weight of the building. Considering the above, a major issue is how to achieve the connection of different members such as steel plate and concrete.

Regarding the connection between the steel member and the concrete, conventionally, for example, in order to integrate a floor slab made of reinforced concrete with a steel beam supporting the floor slab, a shear connector such as a stud dowel is fixed to the steel beam. However, it cannot be used in the above monocoque structure because of insufficient strength and seismic resistance.

The present invention is to solve the above-mentioned conventional problems and problems, and a first object thereof is to provide a joining member capable of strongly and integrally joining a steel member and reinforced concrete with a simple structure. It is to be. A second object of the present invention is to provide a panel for a monocoque structure which is thin and lightweight and has a high strength using the joining member. Further, a third object of the present invention is to use the panel for a monocoque structure, which is excellent in economical efficiency and earthquake resistance, increases the effective indoor area and reduces the floor height, and enables more flexible architectural design. It is to provide a monocoque structure building.

[0008]

In order to achieve the above object, a connecting member of a steel member and a reinforced concrete of the present invention is a structure made of a steel member (1, 31, 33) or steel frame and a reinforced concrete. Is used as a connecting member 5 fixed on the steel member in a lattice pattern, and the connecting member has a plurality of openings (6) and reinforcing bar insertion holes (7a, 7a).
b) is formed, and a panel for a monocoque structure using the joining member of the present invention is a panel formwork (2) made of a steel plate (1), and a grid pattern in the panel formwork. Member (5) fixed to the joint member, a plurality of openings (6) formed in the joint member, and reinforcing bar insertion holes (7a, 7)
b) and the reinforcing bars (11a, 11) inserted through the reinforcing bar insertion holes.
b) and concrete (12) filled in the panel formwork, and further, a monocoque structure building using the panel of the present invention comprises a plurality of the monocoque structure panels. It is characterized by having an outer wall and a slab. It should be noted that the numbers added to the above-mentioned configurations are for comparison with the drawings in order to facilitate understanding of the present invention, and the configurations of the present invention are not limited thereby.

[0009]

In the present invention, the concrete filled in the mold is integrated through the opening of the joining member, so that the steel member and the reinforced concrete are strongly joined together with a simple structure. be able to. In addition, by manufacturing a PC panel using this connecting member, it is possible to obtain a monocoque structure panel having a thin structure, a lightweight structure, and a high strength. Furthermore, by constructing a building using this monocoque structural panel, it is excellent in economic efficiency and earthquake resistance, increases the effective indoor area and decreases the floor height, and enables a more flexible architectural design. You can get a building.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In the following examples, a residential basement will be described as an example, but the present invention is not limited to such a basement, and is widely applicable to general building structures from low-rise to high-rise.

1 and 2 show one embodiment of the panel for monocoque structure of the present invention, FIG. 2 is a plan view before concrete filling, and FIG. 1 (A) is along line AA of FIG. An enlarged cross-sectional view as seen in the direction of the arrow, FIG. 1 (B) is an enlarged cross-sectional view as seen in the direction of the arrow along the line BB in FIG. 2, and FIG. 1 (C) is a completed cross-sectional view of the panel after concrete filling. .

2, FIG. 1 (A) and FIG. 1 (B), both ends of one side of the steel plate 1 are bent to form side plates 1a and wedge-shaped blade openings 1b, and the other side of the steel plate 1 is formed. Side plates 1c are fixed to both ends by welding to form a steel box-shaped panel form 2 as a whole. A connecting member 3 made of T-shaped steel is fixed to the side plate 1a by welding. This forms a step 3a between the connecting member 3 and the side plate 1a, which is used to connect a slab or another panel, and the plate 3b of the connecting member 3 is provided here with a bolt ( (Not shown) is fixed by welding and used to connect to the wall panel on the upper floor. The connecting member 3 is not necessarily a necessary member, and the panels may be directly connected to each other by welding or the like. Further, the blade portion 1b is for the case of constructing a basement by a submersible method, and in the case of a wall, slab or roof on the ground floor, it is bent similarly to the side plate 1a.

In the panel form 2, a steel member and a reinforced concrete connecting member 5, which is one of the features of the present invention, are fixed by welding in a grid pattern. The coupling member 5 is formed with a plurality of openings 6 and reinforcing bar insertion holes 7a and 7b. In the case of the present embodiment, since the connecting member 3 side is also filled with the reinforced concrete, the side plate 1a is also provided with the reinforcing bar insertion hole 7b. The heights of the reinforcing bar insertion holes 7a and 7b of the connecting members 5 that are orthogonal to each other are set so that the reinforcing bars have a mesh structure when the reinforcing bars are inserted through the reinforcing bar insertion holes 7a and 7b.

Next, referring to FIG. 1C, the panel form 2
A method of manufacturing the PC (precast concrete) monocoque structural panel 9 using the above will be described.
In the conventional production of a PC panel, a steel PC formwork is prepared in advance and the PC formwork is filled with concrete. However, in the present invention, the panel formwork 2 which is the outer skin of the monocoque structure is used. It is also used as a PC form.

First, the heat insulating material 10 is laid on each of the lattice portions of the panel form 2, and the reinforcing bar insertion holes 7a of the connecting member 5 are
After reinforcing bars 11a and 11b are inserted into 7b to arrange them in a mesh structure, concrete 12 is filled in the panel form 2, and after predetermined curing, a monocoque structural panel 9 is manufactured. According to the present invention, the concrete 12 filled in the panel formwork 2 is integrated through the opening 6 of the connecting member 5, so that the steel panel formwork 2 and the reinforced concrete are strongly structured with a simple structure. It can be integrally connected.

In this embodiment, the heat insulating material 10 plays a role of further reducing the weight of the panel in addition to the original heat insulating function, but it is not always a necessary member. Further, in terms of the connection between the steel member and the concrete, which is one of the features of the present invention, the present invention is not limited to the above-mentioned panel form 2, and for example, the connection member 5 is fixed on a steel beam. It is also applicable when constructing a slab by placing concrete on a steel beam.

Next, one embodiment of a monocoque structure building using the above-described monocoque structure panel 9 will be described with reference to FIGS. The same components as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

FIG. 3 is a schematic sectional view of a basement for a house.
Residential basement 15 has an outer wall 16 and a base pressure plate 1
7. It consists of the slab 19 that serves as the ceiling of the basement and the floor of the first floor. Explaining the construction method, first, after excavating about 1 m by open cut, a plurality of the monocoque structure panels 9 are connected by welding to connect the outer wall 16 to each other.
Assemble and integrate. Next, a guide pile 20 made of H-shaped steel is embedded in the ground along the outer periphery of the outer wall 16 to form the outer wall 1
When the inner edge of 6 is excavated by the submersible method and the blade edge portion 1b is sunk to reach a predetermined position, the pressure plate 17 is constructed on site and then the slab 19 is constructed on site.

In the above embodiment, an example in which the residential basement 15 is constructed by the submersible construction method is shown, but the present invention is not limited to this, and a conventionally known method may be adopted. Further, in the above-mentioned embodiment, the pressure plate 17 and the slab 19 are constructed on-site, but they may be assembled by using the PC monocoque structural panel.

FIG. 4 is an enlarged sectional view showing the connection structure of the outer wall 16 of FIG. 3 as seen in the direction of the arrow along the line XX of FIG. To connect the monocoque structural panels 9 to each other, the outside and the inside of the connecting portion are fixed by welding. A sealing material 21 is fixed to the outer side, and an angle member 22 is fixed to the inner corner portion by welding to reinforce.

5 to 7 show the structure of the pressure-resistant plate 17 of FIG. 3 and the connection structure with the outer wall 16, and FIG. 5 shows the concrete placement as seen in the direction of the arrow along the line YY of FIG. Cross section of
FIG. 6 is an enlarged cross-sectional view before placing concrete as seen in the direction of the arrow along the line ZZ in FIG. 5, and FIG. 7 shows the structure of the pressure plate after placing concrete and the connection structure with the outer wall. It is an expanded sectional view of the P section.

In FIGS. 5 and 6, a reinforcing member 23 made of H-shaped steel is fixed to the entire inner lower portion of the outer wall 16 after the monocoque structural panel 9 is connected. A heat insulating plate 25 is laid on the plate, and a plurality of connecting members 5 made of T-shaped steel are fixed by welding in a grid pattern between the reinforcing members 23 facing each other. In this connecting member 5,
A plurality of openings 6 similar to the monocoque structural panel 9 of FIG.
And a reinforcing bar insertion hole 7a (7b is omitted).

Next, the bar arrangement is performed. In FIG. 7, a connection nut 26 is welded to the steel plate 1 in advance at the lower portion of the monocoque structure panel 9 and is connected to the reinforcing bar 11b by a connecting bar 27. Further, the reinforcing member 23 is fixed to the connection nut 26 with a bolt 28. Then, when the attachment of the connecting member 5 shown in FIGS. 5 and 6 is completed, the reinforcing bar 2 is passed through the connecting member 5, the reinforcing member 23, and the connection nut 26.
9a and 29b are arranged in a mesh structure. Next, the concrete 30 is poured, and finally the steel plate 31 is placed to join the joining member 5
And to the reinforcing member 23 by welding. This allows
The pressure plate 17 has a monocoque structure, and supports the plate pressure received from the ground by the steel plate 31 having excellent tensile strength and the reinforced concrete having excellent compressive strength.

FIG. 8 shows the structure of the slab 19 of FIG. 3 and the connection structure with the outer wall 16, and is an enlarged sectional view of the Q portion of FIG. A connection nut 32 is previously welded to the connection member 3 and connected to the reinforcing bar 11b on the upper portion of the monocoque structure panel 9. The structure of the slab 18 is also a monocoque structure, and on the steel plate 33, a plurality of openings 6 similar to those in FIG. 1 and a connecting member 5 having reinforcing bar insertion holes 7a and 7b are fixed by welding in a grid pattern. The steel plate 33 is fixed to the step portion 3a of the monocoque structure panel 9 by welding. Then steel plate 3
The heat insulating material 10 is laid on each of the lattice portions on the upper part 3 and the reinforcing bar 1 is attached to the reinforcing bar insertion holes 7a and 7b of the coupling member 5 and the connection nut 32.
After inserting 1a and 11b and reinforcing the mesh structure, the steel plate 3
3 and concrete 3 in the mold formed by 3 and the connecting member 3.
5 is placed to complete the slab 19.

According to this embodiment, since the residential basement is constructed with the monocoque structure, the following effects are obtained. Since the entire building, including walls, slabs, and pressure plates, has a monocoque structure, it has excellent earthquake resistance, is lightweight, has high structural performance, and is a strong foundation for buildings on the ground. Since a structure without columns and beams is possible, it is possible to increase the effective indoor area and decrease the floor height. Since the monocoque structural panel according to the present invention can be manufactured in any shape and size, the degree of freedom in design and construction can be improved. Moreover, the application of the submarine method becomes easy. Since most of the skeletons are manufactured in factories and the site work is reduced, the construction period can be shortened and the cost and quality of the basement can be reduced. Since the steel plate facing the inside of the outer wall is welded together, it is possible to provide perfect waterproof, moisture-proof, and sound-insulating performance. A perfect heat insulation layer can be formed by spraying, for example, a rigid urethane foam on the steel plate portion facing the basement and the foundation. By making the portion of the outer wall portion facing the outer side of high quality concrete and covering the steel plate inside with hard urethane foam and a finishing material to block air from air, it is possible to provide extremely high durability without fear of rust. In addition, the above-mentioned effect is the same also in the building structure from a low rise to a high rise except the effect peculiar to a basement.

[Brief description of drawings]

1 shows an embodiment of a panel for monocoque structure of the present invention, FIG. 1 (A) is an enlarged sectional view taken along the line AA of FIG. 2 in the direction of the arrow, and FIG. 2 is an enlarged sectional view taken along the line BB in the direction of the arrow, and FIG. 1C is a sectional view after concrete filling.

FIG. 2 is a plan view showing an embodiment of the monocoque structure panel of the present invention before concrete filling.

FIG. 3 is a schematic cross-sectional view of a residential basement showing an embodiment of the monocoque structure building of the present invention.

FIG. 4 is an enlarged cross-sectional view showing the connection structure of the outer wall of FIG. 3 and seen in the arrow direction along the line XX of FIG.

5 is a cross-sectional view showing the structure of the pressure-resistant plate of FIG. 3 and seen in the arrow direction along the line YY of FIG. 3 before concrete placement.

FIG. 6 is a cross-sectional view before pouring concrete as seen in the direction of the arrow along the line ZZ in FIG.

7 is an enlarged cross-sectional view of a portion P of FIG. 3, showing the structure of the pressure resistant plate after placing concrete and the connection structure with the outer wall.

8 is an enlarged cross-sectional view of a Q portion of FIG. 3, showing a structure of the slab of FIG. 3 and a connection structure with an outer wall.

[Explanation of symbols]

1, 31, 33 ... Steel plate, 2 ... Panel form, 3 ... Connection member, 3a ... Step part 5 ... Coupling member, 6 ... Opening, 7a, 7b ... Rebar insertion hole 9 ... Monocoque structure panel, 10 ... Heat insulating material , 11a,
11b ... Reinforcing bars 12, 30, 35 ... Concrete, 15 ... Residential basement, 16 ... Outer wall 17 ... Pressure plate, 18 ... Slab, 23 ... Reinforcing member, 26,
32 ... Connection nut

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[Procedure amendment]

[Submission date] March 1, 1995

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

FIG.

[Fig. 2]

[Figure 3]

[Figure 4]

[Figure 5]

[Figure 6]

[Figure 7]

[Figure 8]

Claims (6)

[Claims] 1. A connecting member, which is used in a structure made of a steel member made of a steel plate or a steel frame and a reinforced concrete, and fixed in a grid pattern on the steel member, wherein the connecting member has a plurality of openings and reinforcing bars. A connecting member made of steel and reinforced concrete, characterized in that an insertion hole is formed. 2. A panel form made of a steel plate, a connecting member fixed in a grid pattern in the panel form, a plurality of openings and reinforcing bar insertion holes formed in the connecting member, and the reinforcing bar insertion hole. A panel for a monocoque structure, comprising: a rebar inserted; and concrete filled in the panel formwork. 3. The monocoque structure panel according to claim 2, wherein a connecting member is fixed to one side of the panel form. 4. The monocoque structure panel according to claim 3, wherein a blade opening for a submersible construction method is provided on one side of the panel form. 5. A monocoque structure building comprising an outer wall and a slab, each of which comprises a plurality of the monocoque structure panels according to claim 3 or 4. 6. An outer wall composed of a plurality of monocoque structure panels according to claim 3 or 4, and a slab that is constructed on site, the slab being a steel plate fixed to the monocoque structure panel, A connecting member fixed on a steel plate in a grid pattern, a plurality of openings and reinforcing bar insertion holes formed in the connecting member, a reinforcing bar inserted in the reinforcing bar insertion hole, and a mold formed by the steel plate and the connecting member. A monocoque structure building comprising concrete filled in a frame.