JPH1162002A - Housing having steel frame arch structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide sufficient structural strength without using rigid frame or brace, to secure wide space in housing, to allow free layout and to avoid influence of wind. SOLUTION: A frame 1 is formed in an arch-shaped cross section by arch- shaped steel frames 2..., and an upper floor 10 is suspended by a suspension steel frame 11... from the arch steel frame 2.... By providing the frame 1 in this way, a load is resisted by an axial force of the arch steel frame 2, and structural strength can be made sufficient even without using a rigid frame or a brace. A wide space can be secured in housing as no column or bearing wall is needed, and layout can be freely designed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a house having a steel arch structure.

[0002]

2. Description of the Related Art Houses for individuals use conventional wooden frame construction methods, steel frame construction methods, panel construction methods, two-by-four construction methods,
It is generally constructed by a unit construction method or the like.

[0003]

However, a house constructed by the above-described method has the following problems. That is, in the above-mentioned houses, first, since the rigid frame and the struts resist the load, reinforcement of the structural material joint is indispensable. It took time to construct itself. In addition, since the floor and roof on the second floor are supported by pillars and bearing walls, these pillars and bearing walls exist on the first and second floors, making it difficult to secure a wide space on the first and second floors. However, he could not freely arrange the layout. In addition, such houses
Since the outer shape is a substantially rectangular parallelepiped, a substantially cubic, or a combination of these, walls and the like are easily affected by wind, especially under strong winds such as typhoons, receiving large wind pressure on windows on house wall, eaves etc. In some cases, it was damaged.

The present invention has been made in view of the above circumstances, and has a sufficient structural strength and can secure a wide space in a house without using a ramen frame or bracing, and can be freely performed. You can take the floor plan,
It is intended to provide a house having a steel arch structure that is hardly affected by wind and the like.

[0005]

According to a first aspect of the present invention, there is provided a housing having a steel arch structure according to the present invention, wherein a frame is formed in an arc-shaped cross section by an arch steel member having an arch shape. The upper floor is supported by arch steel members.

In the case of forming a frame having an arcuate cross section by the arch steel members, for example, a plurality of arch steel members are arranged in parallel at a predetermined interval, and the steel members are horizontally arranged between adjacent arch steel members. By erection, the frame can be formed in a substantially semi-cylindrical appearance. In addition, by arranging a plurality of arch steel members at a predetermined angle in the circumferential direction such that their central portions in the longitudinal direction intersect, the frame can be formed in a substantially hemispherical (dome) appearance.

When the upper floor is supported by the arch steel member, for example, a beam member is fixed horizontally to the arch steel member,
The beams on the upper floor may be supported by the beams. The upper floor may be made of any material such as a deck plate, a precast slab made of reinforced concrete, a wooden floor panel, or the like, in order to reinforce these floors, horizontal beams may be provided. Good.

In the house having the steel arch structure according to the first aspect, the frame is formed in an arc-shaped cross section by the arch steel material having the arch shape, and the load resists the load by the axial force of the arch steel material. Structural strength is sufficient without using ramen frames or braces. Also,
Since the frame is formed in an arc-shaped cross-section by the arched steel frame material and does not require columns or load-bearing walls, a large space can be secured in the house, and a floor plan can be freely arranged.

Further, since the frame is formed in an arc-shaped cross-section by the arched steel frame material, when the surface of the frame is covered with an exterior member to form a roof or an outer wall, the outer shape becomes an arc-shaped cross-section. Less susceptible to In addition, since the frame is formed in an arcuate cross-section, the space inside the frame and the material such as the steel frame and the exterior member are less than when a space having the same volume is formed inside the ramen frame. And material efficiency is improved.

In addition, the surface area of the exterior member that wraps (covers) the space is smaller than when the space inside the frame having the arc-shaped cross section and the space having the same volume are formed inside the ramen frame. The amount of heat radiation to the outside is reduced,
Heat insulation efficiency is improved. In addition, since the frame is formed in an arc-shaped cross-section, when the surface of the frame is covered with the exterior member, natural convection circulates moderately inside the frame, and air does not easily stay, and therefore, indoors The vertical temperature difference is reduced and a comfortable indoor space is provided.

According to a second aspect of the present invention, there is provided a house having a steel arch structure according to the first aspect, wherein the upper floor is suspended by a suspended steel material suspended from the arched steel material.

The floor on the upper floor means a floor above the first floor in a two or more-storey house. The upper end of the suspended steel frame material is fixed to the arch steel frame material by bolts, welding, or the like, and the upper floor is fixed to the lower end portion by bolts, welding, or the like, thereby suspending the upper floor. Can be.

[0013] In the house having the steel arch structure according to the second aspect, the same effect as in the first aspect can be obtained, and the upper floor is made up of the suspended steel frame material suspended from the arch steel frame. Since the floor is suspended, the floor on the upper floor can be more stably installed at a desired height position.

According to a third aspect of the present invention, there is provided a house having a steel arch structure according to the first or second aspect, wherein a seismic isolation device is provided between the frame formed of the arch steel member and a foundation.

When a seismic isolation device is provided between the frame and the foundation, the frame is installed on the floor of the first floor and
The floor of the floor is supported by steel beams, and a seismic isolation device may be provided between the steel beams and the foundation. The foundation may be a normal independent foundation, a cloth foundation, a solid foundation, or the like, or may be based on an underground structure for forming a basement. Also,
As the seismic isolation device, for example, a laminated rubber bearing formed by alternately laminating a plurality of rubber elastic plates and a plurality of metal plates may be used. In this laminated rubber bearing, by reducing the rigidity of the part supporting the building, that is, the frame, so that the natural period of the building is sufficiently larger than the vibration period of the seismic motion, the seismic force applied to the building during an earthquake is reduced. Has become. As the seismic isolation device, a sliding bearing or a rolling bearing may be used in addition to the laminated rubber bearing.

In the house having the steel arch structure according to the third aspect, the same effects as those of the first or second aspect can be obtained. Since the seismic isolation device is provided in between, it is possible to reduce the sway of the frame during an earthquake, and since the upper floor is supported by this frame, it is possible to reduce the sway of the upper floor. it can.

According to a fourth aspect of the present invention, there is provided a house having a steel arch structure according to any one of the first to third aspects, wherein a solar cell is provided as a roof finishing material on the upper surface side of a frame formed in an arc-shaped cross section by the arch steel frame material. A panel is provided.

When the solar cell panel is provided on the upper surface side of a frame, for example, a base material such as a field board is laid on the upper surface side of the frame, a plurality of rails are laid on the base material, and What is necessary is just to mount a plurality of solar panels.
In this case, a gap is formed on the lower surface side of the solar cell panel by the height of the rail, so that the air flow passing through the gap prevents overheating of the solar cell panel, and reduces the energy conversion of the solar cell panel. A decrease in efficiency can be prevented.

In the house having the steel arch structure according to the fourth aspect, the same effects as those of the first to third aspects can be obtained, as well as the upper surface of the frame formed in an arc-shaped cross section by the arch steel member. Since solar panels are provided on the side as a finishing material for the roof, a part of the electric power required for the house can be supplemented. In addition, since the frame has an arc-shaped cross section made of an arch steel frame material, a solar cell panel can be efficiently arranged at a portion receiving sunlight.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a house having a steel arch structure according to the present invention will be described below with reference to the drawings. 1 is a longitudinal sectional view of a house according to the present invention, FIG. 2 is a plan sectional view showing the first floor of the house, FIG. 3 is a plan sectional view showing the second floor of the house, and FIG. 4 is a side view of the house. 5 is a front view of the house.

The house shown in these figures is a house with one basement floor and two floors above ground, and its frame 1 has three arch steel members 2... The arch steel member 2
As shown in FIG. 1, an H-shaped steel is curved in an arch shape, and three arch steel members 2 are arranged in parallel at equal intervals as shown in FIG. Between the arch steel members, five steel frame members 3 are horizontally laid at predetermined intervals in the longitudinal direction of the arch steel members 2, and these steel frame members 3 and the arch steel members 2 The frame 1 is formed in a substantially semicylindrical appearance.

The lower ends of the arch steel members 2 are fixed to a floor slab 4 on the first floor as shown in FIG. On the other hand, in the ground immediately below the frame 1, a box-shaped underground structure 5 made of reinforced concrete is constructed with its upper end protruding from the ground surface, and the inside of the underground structure 5 is a basement 5a. It has been. On the upper inner wall surfaces of the underground structure 5 facing each other, ridges 5b, 5b projecting horizontally inward are formed to extend in a direction perpendicular to the paper surface in FIG. Foundation beams 7, 7 are installed on the strips 5b, 5b via seismic isolation devices 6, 6, respectively. The floor slab 4 on the first floor is supported by the foundation beams 7 from below. In addition, the floor slab 4 is the foundation beam 7,
7, small beams 8, 8 arranged vertically and horizontally in the horizontal plane
Is also supported from below. Further, the seismic isolation device 6 is configured by a laminated rubber bearing formed by alternately laminating a plurality of rubber elastic plates and a plurality of metal plates. Further, a skirt 9 is hung from an edge of the floor slab 4, and the skirt 9 covers the space between the floor slab 4 and the foundation 7.

The inside of the arch steel members 2...
As shown in FIG. 1, a floor slab 10 on the second floor is provided,
The floor slab 10 is suspended by suspended steel frames 11 hanging from the arch steel frames 7. The suspended slabs 11 are fixed at their upper ends to the arch steel members 2 by bolts, welding, or the like, and the lower slabs 10 are fixed to the lower ends by bolts, welding, or the like. , And as shown in FIG.
There are three in each case, for a total of nine. Further, as shown in FIG. 1, the floor slab 10 on the second floor is supported from below by small beams 12 arranged vertically and horizontally in a horizontal plane. Are supported from below by outer steel beams 3, 3 erected between the arch steel members.

As shown in FIG. 1, a field board 13 is laid on the upper surface side of the frame 1 constructed as described above from the top of the frame 1 to the position where the floor slab 10 on the second floor is provided. A large number of solar cell panels 14 are provided on the top surface of the base plate 13 as a finishing material for the roof. The solar cell panels 14 are provided with a plurality of rails (not shown) laid on the base plate 13 and mounted on these rails to form a gap between the base plate 13 and the base plate 13 by the height of the rail. It is provided in. The air flow passing through the gap prevents overheating of the solar cell panels 14 and prevents a decrease in the energy conversion efficiency of the solar cell panels 14.

As shown in FIG. 1, an outer wall material 15 is provided on the right outer surface of the frame 1 located below the floor slab 10 on the second floor. As shown in FIG. 2, a large opening 16 is provided, and a window is attached to the large opening 16 so as to be openable and closable. As shown in FIGS. 2 and 5, a translucent outer wall member 17 is provided on one end surface side of the frame 1.
An opening is formed in a part of the door, and an entrance door 18 is provided in this opening. Further, an outer wall member 19 is provided on the other end surface side of the frame 1 as shown in FIG.

In the house having the steel arch structure of the present embodiment, the frame 1 is formed in an arc-shaped cross section by the arch steel members 2. Because it resists, the structural strength is sufficient without using a ramen frame or bracing, and since there is no need for pillars or load-bearing walls, it is possible to secure a wide space in the house and freely You can take a layout. For example, on the first floor, as shown in FIG. 2, partition walls 20 a to 20 h which are not structural materials of a house are arranged at desired positions inside the frame 1, so that the entrance hall 21, the living room 22, and the Japanese-style room are provided. 23, cafeteria 24, kitchen 2
5, storage room 26, sanitary 27, stairs 28, etc. can be freely provided.

As shown in FIG. 3, also on the second floor, the partition walls 30a to 30a are located at desired positions inside the frame 1.
By arranging e, the private rooms 31, 32, 33 and the corridor 34 used as bedrooms and children's rooms can be freely provided. Further, since the frame 1 has a sufficient structural strength, the large openings 16, 35 are formed on the outer walls of the first and second floors.
The inner balcony 36 can be easily provided facing the large opening 35 inside the frame 1 on the second floor.

Further, since the floor slab 10 on the second floor is suspended by the suspended steel members 11 hanging down from the arch steel members 2, the floor slab 10 is stably placed at a desired height position. Can be installed. In addition, since the frame 1 is formed in an arc-shaped cross section, the surface of the frame 1 is covered with an exterior member (a base plate 1).
3. When covered with a solar cell panel 14 and an outer wall material 15) to form a roof or an outer wall, the outer shape becomes an arc-shaped section, and unlike a conventional house, there are no protrusions such as eaves and eaves. Be less affected. Further, compared to a case where a space having the same volume as the space inside the frame 1 is formed inside the ramen frame, less material such as a steel frame and an exterior member is required, and the material efficiency is improved.

In addition, as compared with the case where a space having the same volume as the space inside the frame 1 is formed inside the ramen frame, the surface area of the exterior member that wraps (covers) the space is reduced, so The heat radiation amount is reduced, and the heat insulation efficiency is improved. Further, when the surface of the frame 1 is covered by the exterior member, natural convection circulates moderately inside the frame 1 and air stagnation hardly occurs, so that a difference in indoor vertical temperature is reduced, and a comfortable indoor space is provided. Become. further,
Since the frame 1 is formed of the arch steel members 2,... Unlike the conventional wooden framed house, there is no fear of termite damage or corrosion, and the durability and the maintainability are excellent.

Further, since the seismic isolation device 6 is provided between the frame 1 and the underground structure 5, the swaying of the frame 1 during an earthquake can be reduced, and the floor slab 10 on the second floor can be used. Since the floor slab 10 is supported by the frame 1,
That is, the swing of the second floor can be reduced. further,
Since the solar cell panels 14 are provided on the upper surface side of the frame 1 as a finishing material for the roof, a part of the electric power required for the house can be supplemented, which can contribute to power saving.
Also, in conventional houses, solar panels could only be placed on the roof or rooftop, but in this example house,
Since the frame 1 has an arc-shaped cross section, the solar cell panels 14 can be efficiently disposed outside the frame 1 in a portion that receives sunlight.

In the above example, the frame 1 is formed in a substantially semi-cylindrical shape in appearance, but in the present invention, if the frame is formed in an arc-shaped cross section by an arched steel material having an arch shape, the frame is limited to the semi-cylindrical shape. Instead, for example, it may be formed in a hemispherical shape (dome shape), or may be in a shape combining a kamaboko shape and a dome shape. In the above example, 2
The floor slab 10 on the floor is suspended from the arch steel members 2 by the suspended steel members 11. However, the present invention is not limited to this. May be supported. Furthermore, in the above example, the case where the present invention is applied to a two-story house has been described, but it is needless to say that the present invention can be applied to a house with three or more floors.

[0032]

As described above, according to the first aspect of the present invention,
According to a house having a steel arch structure, a frame is formed in an arc-shaped cross section by an arch steel material having an arch shape, and the axial force of the arch steel material resists a load. It is possible to secure a sufficient space in the house and to freely plan the layout because it does not require pillars or load-bearing walls, etc. .

Further, since the frame is formed in an arc shape in cross section by the arched steel frame material having an arch shape, when the surface of the frame is covered with an exterior member to form a roof or an outer wall, the outer shape becomes an arc shape in cross section. At the same time, unlike conventional houses, there are no protruding parts such as eaves and eaves, so that the house is less affected by wind and the like, and can be an advantageous house under strong winds such as during a typhoon. Further, since the frame is formed in an arc-shaped cross section, the space inside the frame and the material such as the steel frame and the exterior member are less than those in the case where the same volume space is formed inside the ramen frame. In addition, the material efficiency is improved, and the surface area of the exterior member that wraps (covers) the space is smaller than when a space having the same volume as the space inside the frame is formed inside the ramen frame. Therefore, the amount of heat radiated to the outside is reduced, and the heat insulation efficiency is improved. In addition, when the surface of the frame is covered with an exterior member, natural convection circulates moderately inside the frame, making it difficult for air to accumulate. Becomes In addition, since the frame is formed of arch steel members, unlike conventional wooden framed houses, there is no risk of termite damage or corrosion, and durability and maintainability are excellent.

According to the house having the steel arch structure of the second aspect, the same effect as that of the first aspect can be obtained, and the floor of the upper floor is suspended from the arch steel material. Because it was suspended by the suspended steel frame, the floor of the upper floor can be more stably installed at a desired height position,
Therefore, the floor can be installed without being restricted by the floor height, such as the mezzanine floor and the skip floor.

According to the house having the steel arch structure of the third aspect, the same effect as that of the first or second aspect can be obtained, as well as the frame formed of the arch steel member, The seismic isolation device is installed between the two to reduce the shaking of the frame during an earthquake, and the upper floor is supported by this frame, so the shaking tends to be large during an earthquake etc. Shaking of the upper floor can be reduced.

According to the steel arched structure of the fourth aspect, the same effect as any of the first to third aspects can be obtained, and the roof finishing material is provided on the upper surface side of the frame. Since the solar cell panel is provided as a part, it is possible to supplement a part of electric power required for the house and to contribute to power saving. The solar cell panel can be efficiently arranged at the portion receiving light.

[Brief description of the drawings]

FIG. 1 shows an example of a house having a steel arch structure according to the present invention, and is a longitudinal sectional view of the house.

FIG. 2 is a plan sectional view showing the first floor of the house.

FIG. 3 is a plan sectional view showing the second floor of the house.

FIG. 4 is a side view of the same house.

FIG. 5 is a front view of the house.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 2 Arch steel frame 5 Underground structure (foundation) 6 Seismic isolation device 10 Floor of the second floor 11 Suspended steel frame 14 Solar panel

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Takeshi Nagai 2-10-26 Fujimi, Chiyoda-ku, Tokyo Maeda Construction Industry Co., Ltd.

Claims (4)

[Claims] 1. A house having a steel arch structure, wherein a frame is formed in an arc shape in cross section by an arch steel material having an arch shape, and an upper floor is supported by the arch steel material. 2. The steel arch structure according to claim 1, wherein the upper floor is suspended by a suspended steel frame material suspended from the arch steel frame. Housing with. 3. A house having a steel arch structure according to claim 1 or 2, wherein a seismic isolation device is provided between the frame formed of the arch steel material and a foundation. House with steel arch structure. 4. A house having a steel arch structure according to any one of claims 1 to 3, wherein a solar cell as a roof finishing material is provided on an upper surface side of a frame formed in an arc-shaped cross section by the arch steel frame material. A house having a steel arch structure, wherein panels are provided.