JP3843151B2 - Floor structure of building unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor structure of a building unit and can be used for a unit type building or the like.
[0002]
[Background]
Conventionally, unit type buildings formed by combining building units manufactured at a factory at a construction site have been used. According to the unit type building, the work on the construction site is reduced and the construction can be completed in a short period of time.
A building unit used in a unit type building is formed with a box-shaped frame consisting of columns erected at the four corners and upper and lower beams installed between the upper and lower ends of these columns. ing. Inside the frame, floor materials constituting the floor surface of the unit type building, ceiling surface materials constituting the ceiling surface, and the like are attached in advance at the factory. Since the surface, ceiling surface, etc. are formed, the work at the construction site is reduced.
The floor structure of the building unit is formed by including a plurality of support members installed between the two lower beams extending in the long side direction of the frame and a floor member attached to the upper portion of the support member. Calculated the design strength against the floor load, taking the entire floor area in the building unit as one unit.
[0003]
[Problems to be solved by the invention]
In this way, even on the floor surface of a building unit that is uniformly designed as a whole, a heavy grand piano or a bookshelf may be placed, and a large floor load acts on a part of the floor surface of the building unit. There are things to do.
In this case, in the past, the number of supporting members was increased according to the arrangement of heavy objects in the design and the floor surface was reinforced, but it was difficult to rationalize the building unit production work in the factory. There's a problem.
[0004]
An object of the present invention is to provide a floor structure of a building unit that can easily form a floor surface having a strength corresponding to a large load acting on the floor surface of the building unit.
[0005]
[Means for Solving the Problems]
If the floor structure of the building unit according to the present invention is described with reference to the reference numerals of the drawings, a plurality of regions 31 to 34 are set on the floor surface 30 of the building unit 10 and formed according to the regions 31 to 34. In addition, a plurality of types of floor surface structures 50 and 60 having different strengths are prepared, and each of the areas 31 to 34 has a floor surface structure selected according to the floor load applied to the areas 31 to 34. 50, 60 are provided, and a plurality of types of floor surface structures include a floor surface structure 60 in which at least a metal support member 61 and a cement-based floor material 62 are combined, a wooden support member 51, and a particle board. The floor structure 50 combined with 52 is prepared in advance .
According to such this invention, since the floor surface structure 50,60 from which intensity | strength differs according to the floor surface load added to the area | regions 31-34 can be selected and provided, there exists the floor surface 30 of the building unit 10 Even when a large load acts on the region 33 partially and it is necessary to form a high-strength floor structure, it is possible to easily cope with the problem by simply selecting the floor structure used in the region 33. Streamline and simplify unit production.
Moreover, as a floor surface structure, it is constructed between the floor material 52 (62) of the magnitude | size according to the area | regions 31-34, and the lower beam 14 of the building unit 10, and floor surface material 52 (62) A floor surface structure 50 (60) including a support member 51 (61) that supports the lower surface may be employed.
If the floor structure 50, 60 has such a simple structure, many types of floor structures having different strengths can be prepared. According to the floor load applied to the regions 31 to 34, the strength and cost can be increased. Appropriate floor structures 50 and 60 can be provided.
Furthermore, if two kinds of floor surface structures 50 and 60 having different strengths are prepared as described above, a high-strength floor structure 60 is used in the region 33 where a large floor load acts, In the other regions 31, 32, and 34, an inexpensive floor surface structure 50 can be used, and the material cost of the floor surface structure can be reduced.
In addition, since the cement-based floor material 62 is heavier than the particle board 51 and has a high vibration absorption performance, for example, even if a part of the floor surface 30 of the building unit 10 is used for a dance hall or the like. The vibration caused by the dance hardly affects other parts of the building, and a comfortable living space is secured.
[0006]
In the above, a rectangular parallelepiped frame in which the building unit 10 includes the pillars 12 erected at the four corners, and the upper beams 13 and 15 and the lower beams 14 and 16 communicating between the upper and lower ends of these pillars. 11, the above-mentioned area is an area 31 set by dividing the long side dimension L of the building unit 10 for each reference dimension M that is a setting reference for each dimension of the building unit 10. It should be ~ 34.
By setting such areas 31 to 34, the strength calculation for the design floor load is roughly calculated by the deflection calculation of the simple beams of the support members 51 and 61 with the two lower beams 14 facing each other as fulcrums. Since it is calculated, the material specification of the floor structure is easily determined.
[0009]
If the floor structure of the building unit according to the present invention is described with reference to the reference numerals of the drawings, a plurality of regions 31 to 34 are set on the floor surface 30 of the building unit 10 and formed according to the regions 31 to 34. In addition, a plurality of types of floor surface structures 50 and 60 having different strengths are prepared, and each of the areas 31 to 34 has a floor surface structure selected according to the floor load applied to the areas 31 to 34. 50, 60 are provided, and a plurality of types of floor surface structures include a floor surface structure 60 in which at least a metal support member 61 and a cement-based floor material 62 are combined, a wooden support member 51, and a particle board. 52, the floor structure 50 in which the building unit 10 is erected at the four corners, and the upper beams 13 and 15 and the lower beams 14 and 16 that communicate between the upper and lower ends of these columns. Including If the frame 11 has a rectangular parallelepiped frame 11, the long side dimension L of the building unit 10 is set as the above-mentioned region for each reference dimension M that is a setting reference for each dimension of the building unit 10. Divided and set areas 31 to 34 are provided, and the floor structure is constructed between the floor material 52 (62) having a size corresponding to the areas 31 to 34 and the lower beam 14 of the building unit 10. And a floor surface structure 50 (60) including a support member 51 (61) that supports the lower surface of the floor surface material 52 (62). The support member of the floor surface structure includes two adjacent regions. 32, 33, and the support member 61 in which the floor support member 61 in the region 33 with a large floor load also serves as the support member of the floor structure 150 in the region 32 with a small floor load is employed. It is characterized by.
Thus the support member 61 is provided over a region 32, 33 adjacent lever, since the number of the supporting members 51 and 61 to be laid in the building unit 10 is reduced, for the building unit manufacturing Material costs are reduced.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic perspective view of a building unit in which the floor structure of the building unit according to the first embodiment is formed.
A building unit 10 has a rectangular parallelepiped frame 11 in which pillars and beam members are combined, and square steel pillars 12 standing at four corners, and a grooved steel that communicates between the upper ends and lower ends of these pillars. Among the upper and lower beams made of steel, a long-side upper beam 13 and a long-side lower beam 14 that form the long side of the rectangular parallelepiped, and a short-side upper beam 15 and a short-side lower beam 16 that form the short side of the rectangular parallelepiped. I have. The upper beams 13 and 15 and the lower beams 14 and 16 are provided so that the openings of the channel steel are directed inward.
And the floor 30 is formed in the upper surface of the long side lower beam 14 and the short side lower beam 16, The long side dimension L of the building unit 10 is divided | segmented by the reference | standard dimension M, and this floor surface 30 is the area | region 31, 32, 33, and 34 are set. In addition, since the heavy article 100 will be mounted in the area | region 33, it is necessary to form a floor structure higher intensity | strength than the other areas 31,32,34.
[0011]
The floor surface structure provided in such regions 31 to 34 is composed of a floor surface material and a support member, and determines the material of the floor surface material and the support member according to the floor surface load acting on each region, For example, it consists of the following combinations of members.
Floor surface support material Floor material A type Wooden joist (W30 × H180) Particle board (15mm thickness)
B type wooden joist (W38 × H175) particle board (20mm thick)
C type grooved steel joist (W50 × H150) Cement board (45mm thickness)
D type grooved steel joist (W50 × H60) ALC plate (135mm thick)
[0012]
FIG. 2 is a sectional view taken along line II-II in FIG. 1. Among the above-described floor surface constituents A to D, regions 31, 32, and 34 have a B type floor surface constituent 50. In the region 33 where the heavy object 100 is placed, a C-type floor surface structure 60 is provided.
The floor surface structure 50 (60) is provided on two support members 51 (61) that are installed between two long-side lower beams 14 that face each other, and an upper portion of the support member 51 (61). The floor surface material 52 (62) is formed.
The floor material 52 (62) has a size corresponding to each of the regions 31, 32, and 34 (33), and a support member is provided on the lower surface of each edge along the boundary line with the adjacent region. 51 (61) is arranged.
The floor material 52 and the support member 51 in the B-type floor structure 50 are fixed by a plurality of nails arranged along the extending direction of the support member 51, and the C-type floor surface The floor material 62 and the support member 61 in the structural body 60 are fixed by self-drilling screws arranged along the extending direction of the support member 61.
In addition, since the short side lower beam 16 is provided at the outer edge of the lower surface of the floor material 52 in the regions 31 and 34 located at both ends of the building unit 10, the support member 51 is provided with the short side lower beam 16. It is arrange | positioned inside the edge of the division | segmentation floor surface material 52 of a width | variety.
[0013]
FIG. 3 shows the accommodation of the boundary portion between the region 32 and the region 33 adjacent to each other. In the region 32, the B type floor surface structure 50 is shown. In the region 33, the C type floor surface is shown. Each structure 60 is provided.
Since the floor material 52 of the floor structure 50 is thinner than the floor material 62 of the floor structure 60, the height of the support member 51 is greater than the height of the support member 61. The horizontal level of the upper surface of the floor surface material 52 and the upper surface of the floor surface material 62 are matched to form a continuous floor surface.
[0014]
According to such 1st Embodiment, there exist the following effects.
If the floor surface structures 50 and 60 are prepared in advance according to the strength as in the above-described A type to D type, a large load is partially applied to the floor surface 30 of the building unit 10 due to the arrangement of the heavy object 100 or the like. Even when a design change occurs to act, it is possible to easily cope with it and rationalize the production of the building unit 10. In particular, if a code is provided for each strength, such as A type to D type, it is possible to cope by simply designating the area and the type of the floor surface structure, and the building unit 10 can be more rationalized. .
[0015]
Further, since the regions 31 to 34 are divided by the reference dimension M along the extending direction of the long side lower beam 14, the rectangular shape having a dimension equal to the reference dimension M and the length of the short side lower beam 16 is formed. The strength calculation with respect to the design floor load can be roughly calculated by the deflection calculation of the simple beam of the support member 51 (61) with the two lower beams 14 facing each other as fulcrums, and the material specifications of the floor structure can be determined. Can be easily determined.
Furthermore, if the floor structure 50 (60) has such a simple configuration, as described above, many types of floor structures having different strengths are prepared according to the floor load applied to the regions 31 to 34. Thus, variations of the floor structure can be easily developed.
Furthermore, a floor surface structure 60 using a cement-based floor material 62 and a floor surface structure using an ALC floor material are prepared in advance in the floor surface structures shown in A type to D type. Therefore, a floor surface with high vibration absorption can be formed on the floor surface 30 of the building unit 10, and a part of the floor surface 30 of the building unit 10 can be used for a dance hall or the like.
[0016]
FIG. 4 shows a second embodiment of the present invention and corresponds to FIG. 3 in the first embodiment. In the following description, parts that have already been described are denoted by the same reference numerals, and description thereof will be omitted or simplified.
In the first embodiment, two support members 51 (61) are used for one floor surface material 52 (62) for the floor surface structure 50 (60), but in the second embodiment, The floor surface structure 150 (160) is different in that only one support member extending over the adjacent regions 32 and 33 is attached.
The support member 61 is determined by the floor load of the region 33 where the heavy object is placed. In the present embodiment, the grooved steel is adopted, and the support member 61 protrudes into the region 32 where the floor load is small. The floor material 52 is attached to the part.
In addition, since the thickness dimension of the flooring material 52 used for the region 32 is smaller than the thickness dimension of the flooring material 62 of the region 33, between the support member 61 and the flooring material 52, A long spacer 170 extending along the support member 61 is interposed. Thereby, the upper surface levels of the floor material 52 and the floor material 62 coincide with each other, and a continuous floor surface is formed.
With the floor structure having such a structure, the floor materials 52 and 62 of the floor structures 150 and 160 provided in the adjacent regions 32 and 33 can be supported by a single support member 61. Therefore, it is possible to reduce the production / material cost of the floor structure.
[0017]
Note that the present invention is not limited to the above-described embodiment, and includes the following modifications.
That is, in the above-described embodiment, the building unit 10 has a frame structure using the frame 11. However, the building unit 10 is not limited thereto, and is a wall-type structure unit formed by combining flat panels in a box shape. May be.
Moreover, in the above-mentioned embodiment, although the floor surface structure 50, 60 was selected from the specification of A type-D type, it is not restricted to this, For example, a support member is made into a wooden joist and a floor surface material is plywood. The following types may be added.
In addition, the specific structure, shape, and the like in carrying out the present invention may be other structures as long as the object of the present invention can be achieved.
[0018]
【The invention's effect】
As described above, according to the floor structure of a building unit of the present invention, even if a large load is partially applied to the floor surface of the building unit, a floor surface having a corresponding strength can be formed.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view showing a building unit according to a first embodiment of the present invention.
2 is a cross-sectional view taken along line II-II in FIG.
FIG. 3 is a detailed cross-sectional view showing accommodation of floor surface structures having different strengths in the embodiment described above.
FIG. 4 is a diagram corresponding to FIG. 3 in a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Building unit 11 Frame 12 Pillars 13 and 15 Upper beam 14 and 16 Lower beam 30 Floor surface 31, 32, 33, 34 Area | region 50, 60 Floor surface structure 51 Wooden support member 52 Particle board 61 Metal support member 62 Cement-based flooring material M Standard dimensions

Claims (3)

Multiple areas are set on the floor of the building unit,
A plurality of types of floor surface structures with different strengths are prepared according to the area,
Each of the regions is provided with a floor structure selected according to the floor load applied to the region,
As the plurality of types of floor surface structures, a combination of at least a metal support member and a cement-based floor surface material and a combination of a wooden support member and a particle board are prepared. The floor structure of the building unit. In the floor structure of the building unit according to claim 1,
The building unit has a rectangular parallelepiped frame configured to include columns erected at the four corners, and upper and lower beams communicating between the upper and lower ends of these columns;
The floor area of a building unit, wherein the area is set by dividing a long side dimension of the building unit for each reference dimension that is a setting reference of each dimension of the building unit. Multiple areas are set on the floor of the building unit,
A plurality of types of floor surface structures with different strengths are prepared according to the area,
Each of the regions is provided with a floor structure selected according to the floor load applied to the region,
As the plurality of types of floor surface structures, a combination of at least a metal support member and a cement-based floor surface material and a combination of a wooden support member and a particle board are prepared,
The building unit has a rectangular parallelepiped frame configured to include columns erected at the four corners, and upper and lower beams communicating between the upper and lower ends of these columns;
The area is set by dividing a long side dimension of the building unit for each reference dimension that is a setting reference of each dimension of the building unit,
The floor surface structure includes a floor surface material having a size corresponding to the region, and a support member that is installed between the lower beams of the building unit and supports the lower surface of the floor surface material,
The support member is provided across two adjacent regions, and the floor support member in a region with a large floor load also serves as a support member for a floor structure in a region with a small floor load. The floor structure of the building unit.

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