JP2003293470A - Rc construction building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an RC construction building attaining energy saving in addition to changing internal structure, flexibly coping with a user's request. <P>SOLUTION: A structure skeleton 1 of this RC construction building constitutes rigid-frame structure integrally composed of horizontally arranged slabs 2a, 2b, 2c and sidewalls 3 vertically provided at both end parts of the slabs. These slabs 2a, 2b, 2c and sidewalls 3 are respectively formed of reinforced concrete. An exterior heat insulating panel (not shown in the figure) which is a heat insulating layer member, is provided on the outer surface of each sidewall 3 of the structure skeleton 1, and a heat insulating layer member (not shown in the figure) is provided also on the outer surface of the uppermost slab 2c forming the ceiling wall of the structure skeleton 1. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an RC building structure, and more particularly to an RC building structure subjected to an external heat treatment.

[0002]

2. Description of the Related Art Conventionally, there has been known an external heat insulating construction method for constructing a heat insulating layer on the outer wall surface side of a building. Since this outer insulation method covers the outside of the wall with a heat insulating material, if the structural material that makes up the structure of the building has a high heat capacity (for example, concrete), the temperature inside the building will be affected by the heat capacity. There is an advantage that the change can be kept low.

In recent years, so-called SI (skeleton infill) houses have been actively researched and developed. This SI house is a house in which a skeleton, which is a structural skeleton that forms the skeleton of the house, and an infill, which is the internal structure of the house, are separated, and the infill can be constructed independently of the skeleton or reconstructed. SI housing can flexibly follow these changes by freely changing the internal structure (infill) according to future lifestyles, changes in individual orientation, and newly developed functions. Is.

[0004]

Recently, the lifestyles of users have been diversified, and along with this, it has been required to more flexibly change the indoor space of a building according to the user's detailed wishes. Further, since the RC structure has a long life, it is also necessary to be able to flexibly respond to changes in the life stages and lifestyles of people who live in it for generations. Further, in order to use the building as a store, it is necessary to be able to freely lay out the indoor space according to the type of business of the store. For that purpose, there is a desire for a building that has no pillars or beams in the living space and pursues the concept of SI as much as possible.

In recent years, it has been required in daily life to reduce the burden on the global environment as an approach to environmental problems. Therefore, efforts are being made to effectively use resources and reduce energy consumption.

One example of this approach in the field of construction is the above-mentioned outer insulation method. According to the outer insulation method, the high heat capacity of the structural material can be used to suppress the temperature change inside the building to a low level, so that the space inside the building can be kept comfortable. Therefore, less energy is required for heating and cooling, and energy can be saved. Furthermore, since the structural body is not directly exposed to the natural environment such as wind and rain, the durability of the structural body can be increased and the life of the structural body can be extended, so that it is possible to effectively use material resources. .

[0007] Furthermore, on the premise of the above advantages of the outer insulation method, if it is possible to coexist with the global environment where the building exists, that is, the natural energy in the global environment where the building exists is effective. If it can be used for, the comfort and energy saving of the internal space of the building can be further improved.

The present invention has been made in view of the above demands, and an object thereof is to enable energy saving in addition to being able to flexibly respond to a user's request to change the internal structure. It is to provide an RC building that can

[0009]

In order to achieve the above object, the RC structure according to the present invention has a rigid frame structure composed of a slab made of reinforced concrete and side walls also made of reinforced concrete and provided at both ends of the slab. And a heat insulating layer member provided on each of the side walls of the structure and the outer surface of the uppermost slab.

In the RC building structure of the present invention, the structural frame has a rigid frame structure composed of slabs and side walls, and the structural strength is maintained only by this structure. In order to maintain the strength of the body, it is not necessary to install pillars or beams inside. Therefore, the user of this RC building can use the space inside the building freely without being restricted by columns and beams.
When the life stage or lifestyle of the user is changed, or when it is used as a store, the indoor space can be changed by flexibly responding to the business type or purpose of the store.

Further, by providing a heat insulating layer member on each side wall of the structural skeleton and on the outer surface of the uppermost slab, the concrete skeleton having a large heat capacity can be effectively used as a heat storage body to achieve comfort and energy saving. It becomes possible to build a possible indoor space. More specifically, by constructing such an external heat insulation structure, the temperature of the concrete skeleton that constitutes the slab and the side wall becomes almost the same as the indoor temperature, so that cooling and heating due to radiation from the concrete skeleton is not felt, It becomes possible to obtain a natural warm environment in the room. By utilizing such characteristics, it is possible to reduce the energy required for cooling and heating because the temperature of the room can be maintained without having to continue cooling and heating after heating and cooling the room once. Become.

Further, a part or the whole of an opening surface formed on a side surface of the structural body which is not covered with the side wall,
A precast concrete plate configured such that at least a heat insulating material is sandwiched between two concrete plates may be arranged.

According to this structure, all the side surfaces and the upper surface of the structural body are subjected to the outer heat insulating treatment, and the energy saving effect by the outer heat insulating treatment described above can be further obtained. Further, since the structural skeleton is designed to maintain the structural proof strength by the slab and the two side walls, the precast concrete board is not required to have strength enough to maintain the structural proof strength of the structural skeleton. Therefore, a relatively large window can be provided in the precast concrete board, and it is possible to perform daylighting and ventilation through this window.

Further, the two side walls may be oriented substantially east-west, and the two opening surfaces may be oriented substantially north-south. This makes it possible to effectively use sunlight, which is natural energy, to further save energy.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

First, the structure of an RC building structure according to an embodiment of the present invention will be described.

FIG. 1 is a diagram showing a structural body in one embodiment of an RC building according to the present invention. FIG. 1 (a) is a perspective view thereof, and FIG. 1 (b) is a front view thereof. There is.

As shown in FIG. 1, the structural frame 1 constituting the RC building according to the present embodiment has slabs 2a, 2b, 2c horizontally arranged at a predetermined distance from each other, and the slabs of these slabs. The side wall 3 provided vertically at both ends constitutes a rigid frame structure integrally formed. The slabs 2a, 2b, 2c and the side wall 3 are all made of reinforced concrete having a thickness of about 250 to 350 mm. In this example, the slab 2a
Is the floor of the RC building, the slab 2b
Constitutes the floor of the second floor, and the slab 2c constitutes the floor of the rooftop. In the following, these "slabs 2a,
"2b, 2c" may be collectively referred to as "slab 2".

The structural frame 1 has the following ramen structure.
Structural strength is maintained only by the slab 2 and the side wall 3. Therefore, in order to maintain the strength of the structural body 1, it is not necessary to provide columns or beams inside thereof. Therefore, the user of this building can freely use the space inside the building without being restricted by columns or beams.

The structural body 1 is installed on the ground with the side walls 3 oriented substantially in the east-west direction. Therefore, the opening surfaces formed on the two side surfaces that are not covered by the side wall 3 of the structural body 1 are oriented substantially in the north-south direction.

The above-described thickness dimensions of the slab 2 and the side wall 3 are merely examples, and the scope of the present invention is not limited to these dimensions.

FIG. 2 is a view showing an outer heat insulating panel attached to the outer surfaces of both side walls of the structural body shown in FIG. 1, and FIG. 2 (a) is a perspective view showing each layer in a broken state. The figure (b) is the sectional view, and the figure (c) is a sectional view showing another example of fixing the outer heat insulation panel to the side wall.

The outer heat insulating panel 10, which is a heat insulating layer member, includes a heat insulating material 11 in contact with the outer surface of the side wall 3 of the structural body 1 shown in FIG. 1, and a GRC (glass fiber reinforced concrete) provided on the heat insulating material 11. ) Or a panel 13 made of concrete. The outer heat insulating panel 10 is provided with some anchor holes penetrating the heat insulating material 11 and the panel 13. Therefore, the anchor bolt 12 is passed through this anchor hole, and the anchor bolt 12 is fixed to the side wall 3.
0 can be fixed to the side wall 3.

Alternatively, the outer insulation panel 1 for the side wall 3
As shown in FIG. 2 (c), the fixing of 0 is performed by the outer heat insulation panel 1
0 is used as the formwork of the side wall 3, and the truss bars 14 are driven into the concrete of the side wall 3 so that the outer heat insulation panel 10 is attached to the side wall 3
It can also be done by binding to. At this time, the ventilation layer 15 may be provided between the heat insulating material 11 and the panel 13.

The heat insulating material 11 is made of, for example, a polystyrene foam having a thickness of about 50 mm formed by an extrusion method or an inorganic fiber heat insulating material having a ventilation layer formed thereon. As the material of the heat insulating material 11, another foam resin can be used.

For example, when the panel 13 is made of GRC, the panel 13 has a thickness of about 20 to 35 mm, and the entire surface thereof is covered with glass mesh. Further, near the opening of the anchor hole, the anchor bolt 1
A glass mesh (not shown) for anchor bolts is provided for the purpose of maintaining strength when the two come into contact with each other. Furthermore, the surface of the panel 13 made of GRC is embossed in order to increase the adhesive strength of the exterior panel (not shown) attached to the surface. Also,
The surface of the panel 13 made of concrete is provided with an exterior finishing material (not shown) such as tiles.

Here, the above-described dimensions of the heat insulating material 11 and the panel 13 are merely examples, and the scope of the present invention is not limited to these dimensions.

Although not shown, a heat insulating layer is provided on the outer surface of the uppermost slab 2c forming the ceiling wall of the structural body 1, and a concrete layer is further provided on the heat insulating layer. . Thereby, the heat insulating layer member is also formed on the outer surface of the uppermost slab 2c.

3 and 4 are external heat insulating outer wall panels P attached to the opening surface of the structural body shown in FIG.
It is a figure which shows a C (precast concrete) board.

In the PC board 21, a concrete board 22 and an exterior concrete board 23 having a decorative material on the outer surface are joined to each other with trusses 24 at appropriate gaps 25, and in the gaps 25, an air layer forming material 26 and Insulation 2
7 is provided and configured. The air layer forming material 26 is
As shown in FIG. 4B, the flat plate 26a and the gap forming pin 2
6b and the porous plate 26c are integrally formed of synthetic resin.

In the truss reinforcement 24, one upper end reinforcement 28 and two lower end reinforcements 29 are connected by a corrugated lattice reinforcement 30, and the upper end reinforcement 28 and the lower end reinforcement 29 are joined to the bending reinforcement reinforcement 31, respectively. , Formed in a triangular prism shape. Truss muscle 24
A foamed body 35 as shown in FIG. 4 (d) is inserted inside the portion located in the gap portion 25 to provide heat insulation. It should be noted that this portion can also be insulated by covering it with a blowing foaming resin or a heat insulating mortar. The truss bars 24 may be subjected to a rust preventive treatment, or may be formed of a rust preventive material such as stainless steel. Further, the truss line 24 may be a so-called single truss as shown in FIG.

Further, the air layer forming material 26 may be any one as long as it can form an air layer therein, and in addition to the above structure, for example, a synthetic resin mat such as artificial grass may be used.

Next, the function and effect obtained by the RC structure according to this embodiment will be described. (1) Regarding the flexibility of the indoor layout The structural frame 1 has a rigid frame structure in which the slab 2 and the side wall 3 are integrally formed as described above, and the structural strength is maintained only by this structure. Because
In order to maintain the strength of the structural body 1, it is not necessary to provide columns or beams inside it. Therefore, the user of this building is not restricted by the columns and beams in the space inside the building,
It is completely free to use.

For example, when a family uses this structure as a residence, many partitions are provided in the room while the children are living together, and a large number of private rooms are provided, and the partitions are removed after the child becomes independent. It is possible to flexibly respond to changes in the life stages of consumers, such as widening the interior space of a room to lead a comfortable life. In addition, since the RC structure has a long life, it is possible to continue living for generations, so it is possible to flexibly adapt to different lifestyles in each generation to change the indoor space. it can.

Further, when this building is used as a store, the room can be freely laid out according to the type of business and purpose of the store, so that the type of business of the store using the structure is not restricted. There is. Therefore, the owner of this building is not restricted by the structural aspects of the building, such as the type of store that can move in, so increase the occupancy rate by recruiting tenants from a wide range of industries. It is possible to obtain the economic effect of being able to. Furthermore, if many of the buildings that make up the shopping street are made into such buildings, it will be possible to line up shops in a wide range of industries, and it will also be possible to revitalize the shopping street. (2) Energy Saving In the RC building according to the present embodiment, as described above, the outer heat insulating panel 10 that is a heat insulating layer member is provided on the outer surface of the side wall 2 of the structural body 1, and the ceiling of the structural body 1 is provided. Slab 2 forming a wall
The heat insulating layer member is also provided on the outer surface of c, and the PC board 21 is provided on the opening surface of the structural body 1. As a result, the concrete skeleton having a large heat capacity is arranged inside the heat insulating layer (inside the room), and all the side surfaces and the upper surface of the structural skeleton 1 are subjected to the outer heat insulating treatment.

Since the concrete skeleton has a large heat capacity, by effectively using it as a heat storage body, it is possible to construct a comfortable and energy-saving indoor space. More specifically, according to such an external heat insulating structure, the temperature of the concrete frame forming the slab 2 and the side wall 3 becomes almost the same as the room temperature, so that the cooling and heating due to the radiation from the concrete frame is not felt. You can get a natural warm environment. Furthermore, by utilizing such characteristics, it is possible to reduce the energy required for heating and cooling since the temperature inside the room can be maintained without continuously performing heating and cooling once the room is heated or cooled. it can.

Further, since the concrete skeleton is arranged inside the heat insulating layer (inside the room), the concrete skeleton is not directly exposed to wind and rain or sunlight, so that deterioration of the concrete skeleton with time can be suppressed. As a result, the life of the building can be extended.

Further, since there is no heat insulating layer on the indoor side, it is possible to freely apply the interior interior, and it is possible to further improve the flexibility of the indoor layout obtained by the structural body 1 described above. Furthermore, since the temperature of the concrete skeleton is almost the same as the room temperature, it is less likely that dew condensation will form on the concrete skeleton, so that the generation of mold in the room is suppressed, and it is also useful for constructing a comfortable living space. (3) Effective Use of Natural Energy As described above, the structural frame 1 is installed on the ground with the side walls 3 oriented substantially in the east-west direction and the opening plane oriented substantially in the north-south direction. It

The structural skeleton 1 is constructed so as to maintain the structural proof strength only by the slab 2 and the side wall 3, and the side wall 3 plays a large role in maintaining the structural proof strength.
It is not preferable to provide the side wall 3 with a large window. However, conversely, since the slab 2 and the side wall 3 are sufficient to maintain the structural yield strength of the structural body 1, the outer wall panel for external heat insulation provided on the opening surface of the structural body 1 is P.
The C plate 21 is not required to have strength enough to maintain the structural yield strength of the structural body 1. Therefore, even if a relatively large window is provided on the PC board 21, there is no structural problem.

For the above reasons, the building of the present embodiment is provided with a window portion on the PC board 21 oriented substantially in the north-south direction, and takes in sunlight into the room through the window portion.
It is designed to ventilate the room.

By doing this, in the summer, the sunrise and sunset (western sun) are blocked by the side wall 3 and do not insert much into the room, so the room temperature is prevented from rising in the morning and evening, and the indoor life in the morning and evening is prevented. Can be comfortable. On the other hand, since the sun rises high during the daytime in the summer, the sunlight does not enter the room so much in the daytime, so it is possible to maintain a comfortable indoor life during the daytime. If there is a lot of sunlight during the day, you can install an eaves on the south wall.

On the other hand, in winter, the sun does not rise so much even during the day, so sunlight is easy to enter the room. Here, if a relatively large window is provided on the PC board 21 disposed on the south side as described above, more sunlight can be taken into the room and the room can be warmed up by using the sunlight as well. It will be possible. Therefore, it becomes possible to reduce the energy required for heating especially in the daytime.

In the above, the R of this embodiment is placed on the northern hemisphere side.
Although the C building has been described in mind, it is needless to say that the RC building of the present embodiment can also be installed on the southern hemisphere side. In this case, the north-south direction in the above description is simply reversed, and the same effect as the above-mentioned contents can be obtained.

The terms "sidewalls 3 are oriented substantially in the east-west direction" and "openings are oriented substantially in the north-south direction" in terms of geography and surveying. It is not stipulated, but merely stipulated in the sense of obtaining the energy saving effect using the sunlight described above.

<Application Example of this Embodiment> FIG. 5 is a diagram showing an application example of the RC building structure of this embodiment.

If the site on which the building is to be installed has a shape close to a square or a rectangle, one structural skeleton 1 can be provided according to the size of the site. However, if the site has an irregular shape as shown in FIG. 5, if one structural skeleton 1 is provided so as to fit within the site, FIG.
As shown in (a), wasteful land is generated.

On the other hand, by constructing a structural skeleton 1 of a certain size as one unit and combining a plurality of the structural skeletons 1, as shown in FIG. It can be secured widely.

[0048]

As described above, the RC building according to the present invention is a structural frame in which a rigid frame structure is constituted by a slab made of reinforced concrete and side walls also made of reinforced concrete and provided at both ends of the slab. And, since it has each side wall of the structural frame and the heat insulating layer member provided on the outer surface of the uppermost slab, in addition to being able to flexibly respond to the user's request, the internal structure can be changed. It is possible to save energy.

Further, a part or the whole of the opening surface formed on the two side surfaces which are not covered by the side wall of the structural body,
By arranging the precast concrete board which is constructed by sandwiching at least a heat insulating material between two concrete boards, all the side surfaces and the upper surface of the structural body will be subjected to external heat insulation treatment. Further, it becomes possible to further obtain the energy saving effect by the external heat insulation treatment.

Furthermore, the two side walls are oriented substantially in the east-west direction, and the two opening surfaces are oriented in the north-south direction, respectively, so that sunlight, which is natural energy, can be effectively used. Further energy saving can be achieved by utilizing this.

[Brief description of drawings]

FIG. 1 is a diagram showing a structural body in an embodiment of an RC building according to the present invention.

FIG. 2 is a view showing outer heat insulation panels mounted on outer surfaces of both side walls of the structural body shown in FIG.

FIG. 3 is a view showing a PC plate which is an outer wall panel for external heat insulation attached to an opening surface of the structural body shown in FIG.

FIG. 4 is a view showing a PC plate that is an outer wall panel for external heat insulation attached to an opening surface of the structural body shown in FIG.

FIG. 5 is a diagram showing an application example of the RC building shown in FIG. 1 and the like.

[Explanation of symbols]

1 structure frame 2a, 2b, 2c slab 3 side walls 10 Outside insulation panel 11 Insulation 12 Anchor bolt 13 panels 14 truss muscle 15 Ventilation layer 21 PC (precast concrete) board 22 Concrete board 23 Exterior concrete plate 24 truss muscle 25 Gap 26 Air layer forming material 26a flat plate 26b Gap forming pin 26c Outside hole plate 27 Insulation 28 Upper muscle 29 Bottom muscle 30 lattice muscles 31 Bending reinforcement 35 foam

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kenji Tomita             Tokyu, 1-16-14 Shibuya, Shibuya-ku, Tokyo             Inside the corporation (72) Inventor Teru Izawa             Tokyu, 1-16-14 Shibuya, Shibuya-ku, Tokyo             Inside the corporation (72) Inventor Tatsuo Fujino             Tokyu, 1-16-14 Shibuya, Shibuya-ku, Tokyo             Inside the corporation (72) Inventor Sanae Ebihara             Tokyu, 1-16-14 Shibuya, Shibuya-ku, Tokyo             Inside the corporation (72) Inventor Masahide Aoki             Tokyu, 1-16-14 Shibuya, Shibuya-ku, Tokyo             Inside the corporation F term (reference) 2E001 DD01 EA01 FA04 FA16 GA12                       HF11

Claims (3)

[Claims] 1. A structural frame in which a rigid frame structure is constituted by a slab made of reinforced concrete and side walls also made of reinforced concrete and respectively provided at both ends of the slab, and the side walls of the structural frame and the uppermost slab. An RC structure having: a heat insulating layer member provided on the outer surface of the. 2. A precast structure in which at least a heat insulating material is sandwiched between two concrete plates on a part or the whole of an opening surface formed on two side surfaces which are not covered by the side wall of the structural body. The RC building according to claim 1, wherein a concrete plate is provided. 3. The RC building according to claim 1, wherein the two side walls are respectively oriented substantially in the east-west direction, and the two opening surfaces are respectively oriented substantially in the north-south direction. .