JP4511899B2 - Unit building - Google Patents

Description

  The present invention relates to a unit building.

As described in Patent Document 1, a conventional unit building forms a lower-floor building unit group by adjoining a plurality of lower-floor building units constituting a lower floor, and an upper floor is formed above the lower-floor building unit group. The upper-floor building unit which comprises is mounted adjacent to each other. And it is supposed that a connection hardware is spanned to each upper end surface of the wall panel of an adjacent lower floor building unit, and these wall panels are connected to each other.
Japanese Patent Publication No. 5-38102

In the conventional unit building, the wall panels of the adjacent lower-floor building units are connected by connecting hardware that spans the upper end surface of the upper frame, but the upper-floor building units are placed on top of the lower-floor building units. The upper floor building unit floor panel joint frame is merely bolted to the upper frame constituting the lower floor building unit wall panel below it. There is a limit to the improvement of the shear strength and rigidity of the floor structures formed with each other.

An object of the present invention is to improve the shear strength and rigidity of floor structures formed by upper floor building units in a unit building in which a plurality of building units are constructed adjacent to each other.

In the first aspect of the present invention, a plurality of lower-floor building units constituting the lower floor are adjacent to each other to form a lower-floor building unit group, and the upper-floor building units constituting the upper floor are arranged above the lower-floor building unit group. In unit buildings placed adjacent to each other, a joint plate is bridged over the adjacent lower frame of the wall panel of each adjacent upper floor building unit, and the above joint plate is placed under the wall panel of each upper floor building unit. It is designed to be joined to the joists of the frame and floor panel.

According to a second aspect of the present invention, in the first aspect of the present invention, a receiving material is further provided on the outer surface of the adjacent joists of the floor panels of the adjacent upper floor building units, and the floor surface materials of the floor panels are flush with each other. A pasting material to be formed is fixed to the receiving material.

(Claim 1 )
(a) The joint plate that spans the adjacent lower frames of the wall panels of each adjacent upper-floor building unit is joined to the joist of the wall panel of each upper-floor building unit and the floor panel. The shear strength of the joint portion due to the transmission of the shear force acting between the floor panels of the adjacent upper floor building units. Thereby, the shear strength and rigidity of the floor structure surface which each upper floor building unit mutually forms can be improved.

(Claim 2 )
(b) This affixing is performed by fixing a transfer material that is flush with the floor material of the floor panel to a receiving material provided on the adjacent outer surface of the floor panel of each adjacent upper floor building unit. The shear strength of the joint by the transfer material and the receiving material is transmitted between the floor panels of the adjacent upper floor building units. Thereby, the shear strength and rigidity of the floor structure surface which each upper floor building unit mutually forms can be improved.

FIG. 1 shows a unit building, (A) is a perspective view of the installation process, (B) is a plan view, FIG. 2 is a cross-sectional view showing the main part of the unit building, and FIG. 3 is a reference example of a floor panel joining structure. 1 shows a unit building to which 1 is applied, (A) is a plan view showing a flow of horizontal force, (B) is a plan view showing a joining position, and FIG. 4 is a sectional view showing a reference example 1 of a floor panel joining structure. 5 shows a unit building to which Reference Example 2 of the floor panel joint structure is applied, (A) is a plan view showing a flow of horizontal force, (B) is a plan view showing a joint position, and FIG. 6 is a floor view. sectional view showing a reference example 2 of panel joint structure, FIG. 7 is a sectional view showing a modification of reference example 2 of the floor panel joint structure, FIG. 8 unit buildings invention example 1 of the floor panel joint structure is applied (A) is a plan view showing the flow of horizontal force, (B) is a plan view showing the joining position, and FIG. Cross-sectional view showing the present invention example 1 in the structure, Figure 10 shows a unit building in which the present invention example 2 of the floor panel joint structure is applied, (A) is a plan view showing the flow of the horizontal force, (B) is FIG. 11 is a cross-sectional view showing Example 2 of the present invention having a floor panel joint structure.

In the unit building 1, as shown in FIG. 1, each lower-floor building unit constituting the lower floor is suspended from the upper part of the base 2 in order by the hanging tool 4 and installed in an adjacent state where they are abutted with each other. A group of lower floor building units is formed. On the upper part of the lower-floor building unit group, the upper-floor building units 20 and 20A to 20F constituting the upper floor are sequentially suspended by the hanging tools 4 and installed in an adjacent state so as to face each other. Building unit groups are formed. In addition, on the upper part of this upper floor building unit group, each roof unit 30, 30A-30F corresponding to each upper floor building unit 20 is mounted.

As shown in FIG. 2, each building unit 10, 20 has wall panels 12, 22 erected on the side edges of the floor panels 11, 21. The floor panels 11 and 21 are made of a floor frame material 11B such as a structural plywood or a particle board on the upper surface of a floor frame assembled in a square shape by the joists 11A and 21A.
, 21B is constructed as a floor construction surface, and each wall panel 12, 22 has gypsum boards on both the inner and outer sides of the wall frame assembled by the upper frames 12A, 22A, the lower frames 12B, 22B and the vertical frames 12C, 22C. In addition, the bearing wall is configured by attaching wall materials 12D and 22D such as wood chip cement boards. The floor panels 11 and 21 are joists 11A and 21A.
The underframes 11C and 21C are integrated by nailing at the lower part of the frame.

The joint lower frame 11 </ b> C provided on the floor panel 11 of the lower floor building unit 10 can be fastened to the anchor bolt 3 planted on the foundation 2, and the floor panel 21 of the upper floor building unit 20.
The joint lower frame 21 </ b> C provided on the upper frame 12 </ b> A is fastened to the upper frame 12 </ b> A constituting the wall panel 12 of the lower floor building unit 10 by the bolt 5. A joint lower frame 31 is integrated with the lower part of the roof unit 30 by nailing. The joint lower frame 31 is fastened by an upper frame 22A constituting the wall panel 22 of the upper floor building unit 20 and the bolt 6. Has been.

Thus, in the unit building 1, a unit interval A of, for example, 85 mm is formed between the adjacent lower-floor building units 10 and 10 and the upper-floor building units 20 and 20 (between the digits) (see FIG. 1 (B)), the horizontal force (tensile force a between the units of the adjacent upper-floor building units 20, 20
In order to transmit the compression force b, shearing force c, and horizontal force d), the upper floor building units 20 are joined as follows.

( Reference Example 1) (FIGS. 3 and 4)
(1) Transmission of tensile force a Adjacent upper frames 12A (or upper ends of the vertical frames 12C) of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10 are used as wall-mounted hardware (not shown). Connect.

The tensile force a (FIG. 3 (A)) acting between the adjacent upper floor building units 20 and 20 is transmitted by the above-mentioned hardware on the wall.

(2) Transmission of compressive force b A spacer (not shown) is inserted between upper ends (or upper frames 12A) of adjacent vertical frames 12C of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10. .

The compressive force b (FIG. 3 (A)) that acts between the adjacent upper floor building units 20 and 20 is transmitted by the spacer.

(3) Transmission of shearing force c and horizontal force d The following joint 40 is provided for each unit corner portion of the adjacent lower floor building units 10 and 10 and upper floor building units 20 and 20 that face each other (see FIG. 3 (B)). That is, FIG.
As shown in FIG. 6, the adjacent upper frames 12A of the wall panels 12 of the adjacent lower-floor building units 10, 10
A flat metal plate 41 (for example, a 2.3 mm thick steel plate) is mounted on the upper end surface of the wall, and the upper end surface of the upper frame 12A of the wall panel 12 of each of the lower floor building units 10 and 10 and the upper portion of the wall upper metal member 41. The floor panels 21 of the upper-floor building units 20 and 20 adjacent to each other are placed, and the floor panels 21 of the upper-floor building units 20 are mounted on the upper frame of the wall panels 12 of the lower-floor building units 10 together with the above-mentioned hardware 41 on the wall. 1
Fastened to 2A with bolts 42 and joined.

The shearing force c (FIG. 3 (A)) acting between the adjacent upper floor building units 20 and 20 is transmitted by the shearing strength of the joint 40 by the above-mentioned metal fitting 41 on the wall.

The wall-mounted hardware 41 also transmits a horizontal force d (FIG. 3A) that acts between the adjacent upper-floor building units 20 and 20.

According to the reference example 1, the following effects are achieved.
The wall-mounted hardware 41 spanning the adjacent upper end surfaces of the wall panels 12 of each adjacent lower-floor building unit 10 is joined to the floor panel 21 of the adjacent upper-floor building unit 20, and this wall-mounted hardware 41 is joined. The shear strength of the part 40 transmits the shearing force c acting between the floor panels 21 of the adjacent upper floor building units 20. Thereby, the shear strength and rigidity of the floor construction surface which each upper floor building unit 20 forms mutually can be improved.

Reference Example 2 (FIGS. 5 to 7)
(1) Transmission of tensile force a Adjacent upper frames 12A (or upper ends of the vertical frames 12C) of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10 are used as wall-mounted hardware (not shown). Connect.

The tensile force a (FIG. 5 (A)) acting between the adjacent upper floor building units 20, 20 is transmitted by the above-mentioned hardware on the wall.

(2) Transmission of compressive force b A spacer (not shown) is inserted between upper ends (or upper frames 12A) of adjacent vertical frames 12C of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10. .

The compressive force b (FIG. 5A) acting between the adjacent upper floor building units 20 and 20 is transmitted by the spacer.

(3) Transmission of shearing force c and horizontal force d The following joints 50 are provided at one or more places (two places in the present embodiment) between the floor panels 21 of the adjacent upper floor building units that face each other. (FIG. 5B). That is, as shown in FIG. 6, the spacer 51 is inserted between the adjacent joists 21A (edge joists) of the floor panels 21 of the adjacent upper-floor building units 20, and the floor panels 21 of the adjacent upper-floor building units 20 are adjacent. Neighboring joists 2
1A (edge joist) is joined together with the spacer 51. The joist 21 </ b> A and the spacer 51 are joined by a nail 52. However, the joist 21A and the spacer 51 are adjacent to each other as shown in FIG.
A and 21A may be fastened and joined by a bolt 53 and a nut 53A.

The shearing force c (FIG. 5A) acting between the adjacent upper floor building units 20, 20 is transmitted by the shearing strength of the joint 50 by the spacer 51 described above.

The spacer 51 also transmits a horizontal force d (FIG. 5 (A)) acting between the adjacent upper floor building units 20 and 20.

According to the reference example 2, the following effects are achieved.
The adjacent joists 21A of the floor panels 21 of the adjacent upper-floor building units 20 are joined together with the spacer 51 sandwiched between them, and the shear strength of the joint 50 sandwiching the spacer 51 is adjacent to each upper-floor building unit. A shearing force c acting between the 20 floor panels 21 is transmitted. Thereby, the shear strength and rigidity of the floor construction surface which each upper floor building unit 20 forms mutually can be improved.

( Invention Example 1 ) (FIGS. 8 and 9)
(1) Transmission of tensile force a Adjacent upper frames 12A (or upper ends of the vertical frames 12C) of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10 are used as wall-mounted hardware (not shown). Connect.

The tensile force a (FIG. 8 (A)) acting between the adjacent upper floor building units 20, 20 is transmitted by the above-mentioned hardware on the wall.

(2) Transmission of compressive force b A spacer (not shown) is inserted between upper ends (or upper frames 12A) of adjacent vertical frames 12C of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10. .

The compressive force b (FIG. 8A) acting between the adjacent upper floor building units 20 and 20 is transmitted by the spacer.

(3) Transmission of shearing force c and horizontal force d The following joints 60 are provided at one or more places (two places in the present embodiment) between the floor panels 21 of the adjacent upper floor building units 20 that face each other. Provided (FIG. 8B). That is, as shown in FIG. 9, the adjacent joists 21 </ b> A (edge joists) of the floor panels 21 of the adjacent upper-floor building units 20.
Between the adjacent lower frame 22B of the wall panel 22 of the upper floor building unit 20
1 and on the upper part of the adjacent lower frame 22B of the wall panel 22 of the upper floor building unit 20,
For example, a joint plate 62 made of a structural plywood having a thickness of 12 mm is bridged, and the joint plate 62 is joined to the lower frame 22B of the wall panel 22 of each upper floor building unit 20 and the joist 21A of the floor panel 21 with a nail 63. . The spacer 61 is nailed on the joist 21 </ b> A of the floor panel 21 and the lower frame 22 </ b> B of the wall panel 22, or nailed and held on the lower surface of the joint plate 62.

The shearing force c (FIG. 8A) acting between the adjacent upper floor building units 20, 20 is transmitted by the shear strength of the joint 60 by the spacer 61 and the joint plate 62.

The spacer 61 also transmits a horizontal force d (FIG. 8A) acting between the adjacent upper floor building units 20 and 20.

According to Example 1 of the present invention , the following operational effects can be obtained.
A joint plate 62 spanning the adjacent lower frames 22B of the wall panels 22 of the adjacent upper floor building units 20 is provided on the lower frame 22B of the wall panels 22 of the upper floor building units 20 and the joists 21A of the floor panels 21. The shear strength c of the joint 60 by the joint plate 62 is transmitted between the floor panels 21 of the adjacent upper floor building units 20. Thereby, the shear strength and rigidity of the floor construction surface which each upper floor building unit 20 forms mutually can be improved.

( Invention Example 2 ) (FIGS. 10 and 11)
(1) Transmission of tensile force a Adjacent upper frames 12A (or upper ends of the vertical frames 12C) of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10 are used as wall-mounted hardware (not shown). Connect.

The tensile force a (FIG. 10 (A)) acting between the adjacent upper floor building units 20 and 20 is transmitted by the above-mentioned hardware on the wall.

(2) Transmission of compressive force b A spacer (not shown) is inserted between upper ends (or upper frames 12A) of adjacent vertical frames 12C of the wall panels 12 and 12 of the adjacent lower-floor building units 10 and 10. .

The compressive force b (FIG. 10A) acting between the adjacent upper floor building units 20, 20 is transmitted by the spacer.

(3) Transmission of shearing force c and horizontal force d The following joints 70 are provided over the entire length between the floor panels 21 of the adjacent upper floor building units 20 that face each other (FIG. 10B). That is, as shown in FIG. 11, the receiving material 71 is provided by the nail 72 on the outer surface of the adjacent joist 21 </ b> A (edge joist) of the floor panel 21 of each adjacent upper-floor building unit 20. A transfer material 73 that is flush with 21B is fixed to the receiving material 71 with a nail 74. The pasting material 73 is made of, for example, a particle board having a thickness of 20 mm.

The shearing force c (FIG. 10A) acting between the adjacent upper floor building units 20, 20 is transmitted by the shearing strength of the joint portion 70 by the above-described pasting material 73.

In addition, the sticking material 73 also transmits the horizontal force d (FIG. 10 (A)) which acts between the adjacent upper floor building units 20 and 20. FIG.

According to Example 2 of the present invention , the following operational effects can be obtained.
Fixing a pasting material 73 that is flush with the floor surface material 21B of the floor panel 21 to the receiving material 71 provided on the outer surface of the adjacent joists 21A of the floor panel 21 of each adjacent upper-floor building unit 20 Thus, the shear strength c of the joint 70 formed by the transfer material 73 and the receiving material 71 is transmitted between the floor panels 21 of the adjacent upper floor building units 20. Thereby, the shear strength and rigidity of the floor construction surface which each upper floor building unit 20 forms mutually can be improved.

In the unit building 1, between the floor panel 21 and the wall panel 22 of the adjacent upper floor building unit 20, two or more of the joint portions 40 to 70 of Reference Examples 1 and 2 and Invention Examples 1 and 2 are provided. You may employ | adopt mutually overlapping. For example, the joint portion 70 of the present invention example 2 can be used in combination with each of the reference examples 1 and 2 and the joint portions 40 to 60 of the present invention example 1 . According to this, it is possible to further improve the shear strength and rigidity of the floor construction surfaces formed by the upper floor building units 20.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.

FIG. 1 shows a unit building, (A) is a perspective view of an installation process, and (B) is a plan view. FIG. 2 is a cross-sectional view showing the main part of the unit building. FIG. 3 shows a unit building to which Reference Example 1 of the floor panel joint structure is applied, (A) is a plan view showing a flow of horizontal force, and (B) is a plan view showing a joint position. FIG. 4 is a sectional view showing Reference Example 1 of the floor panel joint structure. FIG. 5 shows a unit building to which Reference Example 2 of the floor panel joint structure is applied, (A) is a plan view showing a flow of horizontal force, and (B) is a plan view showing a joint position. FIG. 6 is a cross-sectional view showing Reference Example 2 of the floor panel joint structure. FIG. 7 is a cross-sectional view showing a modification of Reference Example 2 of the floor panel joint structure. FIG. 8 shows a unit building to which Example 1 of the present invention having a floor panel joint structure is applied, (A) is a plan view showing the flow of horizontal force, and (B) is a plan view showing a joint position. FIG. 9 is a cross-sectional view showing Example 1 of the present invention having a floor panel joint structure. FIG. 10 shows a unit building to which Example 2 of the present invention having a floor panel joint structure is applied, (A) is a plan view showing a flow of horizontal force, and (B) is a plan view showing a joint position. FIG. 11 is a sectional view showing Example 2 of the present invention having a floor panel joint structure.

Explanation of symbols

1 unit building 10 lower floor building unit 11, 21 floor panel 12, 22 wall panel 20 upper floor building unit 21A joist 21B floor material 22A upper frame 22B lower frame 22C vertical frame 60 joint 61 spacer 62 joint plate 70 joint 71 Receiving material 73 Pasting material

Claims (2)

A unit in which a plurality of lower floor building units constituting the lower floor are adjacent to each other to form a lower floor building unit group, and the upper floor building units constituting the upper floor are placed adjacent to each other above the lower floor building unit group. In the building,
Overlay the joint plate on the upper part of the adjacent lower frame of the wall panel of each adjacent upper-floor building unit, and join the above-mentioned joint plate to the joist of the wall panel of each upper-floor building unit and the floor panel. Characteristic unit structure. Said adjacent member received on the outer surface of Aitonaru joists of the floor panel of the upper story building unit provided in claim 1, passing material bonded form a floor material flush with their floor panels are fixed to the receiving member The listed unit building.

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