JP2024013210A - Connecting column unit and building construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting column unit and a building construction method that can reduce a work load on site.

SOLUTION: The connecting column unit includes: two (plural) wooden columns 4 arranged at a predetermined interval in a horizontal direction; a column head connecting member 5 and a column leg connecting member 7 that connect the two wooden columns 4 at the predetermined interval; a column leg member 6 (column joint material) connected to a lower end of each of the two wooden columns 4 and connected to a steel beam (structural material) provided below; and the column head connecting member 5 connected to an upper end of each of the two wooden columns 4 and connected to a steel beam provided above.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present invention relates to a connecting column unit and a building construction method.

When joining wooden columns (wooden pillars) with structural materials such as foundations and beams in the wooden frame construction method, the joints processed into the wooden pillars or structural materials are connected directly or with reinforcing joint hardware. May be connected via. In such cases, in order to prevent the wooden pillars and structural members from falling out, metal connecting pins may be driven into the joints between the pillars and the structural members in place of the traditional wooden plugs (for example, in a patent Reference 1).

Patent No. 3302343

When constructing columns at a construction site, the wooden columns are lifted and installed one by one, so it is necessary to align each of the columns, and also to check the joints between the wooden columns and the structural materials. It is necessary to drive a connecting pin into each of the parts, which poses a problem in that the work load on site is large.

Therefore, an object of the present invention is to provide a connecting column unit and a building construction method that can reduce the work load on site.

In order to achieve the above object, the connecting column unit according to the present invention includes a plurality of wooden columns arranged at predetermined intervals in the horizontal direction, and a connecting column unit that connects the plurality of wooden columns at the predetermined intervals. a connecting member that is joined to the lower end of each of the plurality of wooden columns and is joined to a structural member provided below; and a lower column joining material that is joined to the upper end of each of the plurality of wooden columns and is at least one of the upper pillar joining materials to be joined to the structural member provided in the upper pillar joining material.

In order to achieve the above object, a building construction method according to the present invention includes a connecting column unit manufacturing step of manufacturing a connecting column unit, and a connecting column unit installation step of joining the connecting column unit to the structural material. .

The connecting column unit includes a plurality of wooden columns connected at predetermined intervals. Therefore, by manufacturing the connecting column unit in advance on the site where the factory or building is being constructed and then installing it in the building, a plurality of wooden columns can be simultaneously lifted and installed in the building. Furthermore, by setting the intervals between the plurality of wooden columns to match the design, alignment of the wooden columns becomes easy.
Furthermore, a column joining material to be joined to the structural member is joined to at least one of the lower end and the upper end of the wooden pillar. Therefore, by joining the column joining material that has been joined to the wooden pillar to the structural material, the wooden pillar and the structural material can be easily joined, reducing the work at the construction site. The precision of the parts is improved and stable quality can be ensured.

Further, in the connecting column unit according to the present invention, the connecting member may connect the column connecting members of the horizontally adjacent wooden columns with the predetermined interval spaced therebetween.

With such a configuration, by attaching the connecting material to the pillar joining material, it is possible to easily connect a plurality of wooden columns to which the pillar joining materials are joined at a predetermined interval. In addition, by integrating the pillar joining material and the connecting material, the plurality of wooden pillars can be easily connected at a predetermined interval by attaching the pillar joining material to each of the plurality of wooden pillars.

Further, the connecting column unit according to the present invention may include the above-mentioned upper column joining material.

With such a configuration, the upper end portions of each of the plurality of wooden columns of the connecting column unit can be easily and reliably joined to the structural member provided above.

Furthermore, the connecting column unit according to the present invention may include both the lower column bonding material and the upper column bonding material.

With this configuration, the upper end of each of the plurality of wooden columns of the connecting column unit can be reliably connected to the structural member provided above, and the lower end of each of the plurality of wooden columns of the connecting column unit can be connected downwardly. It can be reliably bonded to structural materials. Therefore, the plurality of wooden columns of the connecting column unit can be maintained in a parallel state.

Further, in the connecting column unit according to the present invention, the connecting member and the upper column joining material may be integrally formed.

With this configuration, when the upper column joint material is joined to multiple wooden columns, the connecting materials are attached, making it easy to connect multiple wooden columns at a predetermined distance. can. Further, since there is no work to connect or remove the connecting member and the upper column joining material, labor can be reduced.

Further, in the connecting column unit according to the present invention, the connecting member may be detachable from the lower column joining material.

With this configuration, even if the location where the connecting member is installed overlaps with the location where the internal fixtures are installed, the internal fixtures can be easily removed by removing the connecting member after installing the connecting column unit in the building. It can be constructed.

Furthermore, in the connecting column unit according to the present invention, the connecting member may have a vertical surface that is joined to the lower column joining material.

With this configuration, when joining the connecting member to the lower column joining material, it is possible to do so with the vertical surface in contact with the lower pillar joining material, so that workability can be improved.

Moreover, in the connecting column unit according to the present invention, the connecting member may be fixed to one of the lower column connecting members with a plurality of bolts.

With such a configuration, deformation in the vertical plane of the connecting member can be suppressed.

Further, in the connecting column unit according to the present invention, the lower column joining material may have an installation height adjustment part that can adjust the installation height of the wooden column with respect to the structural member provided below.

With such a configuration, errors in construction of the frame can be absorbed. Further, even if a beam is provided above the space where the connecting column unit is installed, the connecting column unit can be constructed below the beam while adjusting the installation height of the wooden column. This eliminates restrictions on the order of construction and enables efficient construction.

Furthermore, in the connecting column unit according to the present invention, the column joining material may be formed with a fixing hole into which a fixture for fixing the column joining material and the structural material is inserted.

With such a configuration, the column joining material and the structural material can be easily joined using a fixture.
By forming the fixing holes when manufacturing the connecting column unit in advance, it is possible to easily position the fixture when the connecting column unit is installed in a building.

Further, in the connecting column unit according to the present invention, the column joining material to be joined to the lower end of the wooden column is arranged above the structural material with a space therebetween, and a filler material is provided in the space between the pillar joining material and the structural material. May be filled.

With this configuration, for example, when the structural material is a floor slab, even if there are construction errors or unevenness on the top surface of the structural material, these can be corrected by the spacing between the column joint material and the structural material. construction errors and unevenness can be absorbed.

Further, in the connecting column unit according to the present invention, the column joining material joined to the lower end portion of the wooden column has a filling hole for filling the filling material into a space between the structural members and the structural member. The filling material may include an outflow notch portion through which an excess amount of the filling material filled in the space between the filling material and the filling material flows out.

With such a configuration, it is possible to easily fill the space between the column joining material and the structural material with the filler material from the filling hole. By confirming that the excess amount of the filler flows out from the outflow notch, it can be easily confirmed whether the gap between the column joining material and the structural member is filled with the filler.

Further, in the connecting column unit according to the present invention, the column joining material that is bonded to the lower end of the wooden column has a lower plate portion provided along the lower end surface of the wooden column, and a lower plate portion that extends downward from the lower plate portion. and a protruding spacer, the spacer having an adjustable dimension of protrusion from the lower plate part and, when in contact with the structural member, being able to transmit the vertical load acting on the wooden column to the structural member. It may be.

With this configuration, when joining the connecting column unit to the structural material, the spacer can come into contact with the structural material even if the gap between the lower plate and the structural material is not filled with filler. By doing so, the vertical load of the connecting column unit is transmitted to the structural members, and the connecting column unit can be maintained in a stable state. Furthermore, since the protruding dimension of the spacer is adjustable, the spacer can be brought into reliable contact with the structural material.

Further, in the connecting column unit according to the present invention, the connecting member may be capable of hooking a hook of a lifting device that lifts the connecting column unit.

With this configuration, when lifting the connecting column unit, there is no need to provide a string or metal fitting for hooking the hook of the lifting device to the connecting column unit, and the work can be simplified. In addition, the connecting unit can be reliably lifted and lifted, ensuring work safety.

Moreover, in the connecting column unit according to the present invention, the wooden column may have a temporary member attachment part to which a temporary member can be attached.

With this configuration, when installing the connecting column unit in a building, for example, by attaching the temporary stay to the temporary member attachment part, the connecting column unit can be maintained in a stable state even during temporary installation. At the same time, the standing condition of the connecting column unit can be adjusted using the temporary stay. Further, for example, by attaching a temporary member for connecting the connecting column unit to the scaffolding to the temporary member attachment part, safety can be ensured when installing the exterior material.

According to the present invention, a plurality of wooden columns can be easily constructed.

It is a perspective view showing an example of a connection pillar unit. FIG. 2 is a perspective view of a building in which a connecting column unit is provided. FIG. 3 is an exploded perspective view of the connecting column unit. 4 is an enlarged view of part A in FIG. 3. FIG. FIG. 3 is a perspective view showing a connection between a wooden column and a column base member. 2 is a sectional view taken along line BB in FIG. 1. FIG. FIG. 3 is a perspective view of the column base member viewed from below. FIG. 3 is a perspective view of the capital connecting member viewed from below. 3 is a diagram showing a portion C in FIG. 2. FIG. It is a side view which shows the temporary member which connects a connecting column unit and a scaffold. FIG. 3 is a side view showing a temporary stay that connects a connecting column unit and a floor slab. FIG. 3 is a plan view illustrating filling of grout between a column base member and a floor slab.

Hereinafter, a method of constructing a connecting column unit and a building 11 according to an embodiment of the present invention will be described based on FIGS. 1 to 12.
As shown in FIG. 1, the connecting column unit 1 according to the present embodiment is a unit formed by connecting two wooden columns 4 arranged at an interval in the horizontal direction. The wooden pillar 4 refers to a wooden pillar, and is a structural member capable of supporting a vertical load. The connecting column unit 1 is manufactured in advance in a factory or on the site where the building 11 is constructed, and then installed in the building 11, as shown in FIG. The building 11 of this embodiment has three floors.

A plurality of connecting column units 1 are provided for each floor. The connecting column units 1 provided on the second and third floors of the building 11 are arranged between the steel beams 2 and 2 arranged above and below, and are joined to the upper and lower steel beams 2 and 2, respectively. Of the upper and lower steel beams 2, 2, the upper steel beam 2 is a steel beam installed above the ceiling of the floor where the connecting column unit 1 is installed, and the lower steel beam 2 is the one installed on the ceiling of the floor where the connecting column unit 1 is installed. Shows the steel beams that will be installed under the floor of the floor where they will be installed.

In this embodiment, a floor slab 3 is placed on the steel beam 2. The connecting column unit 1 is placed on a floor slab 3 and is connected to a lower steel beam 2 via the floor slab 3. In this embodiment, the connecting column units 1 provided on the second and third floors of the building 11 are also joined to the floor slab 3.
A connecting column unit 1 provided on the first floor of a building 11 is arranged between a foundation 12 and an upper steel beam 2. The upper and lower steel beams 2, 2, floor slab 3, and foundation 12 correspond to the "structural members" of the present invention.

A plurality of connecting column units 1 of this embodiment are provided along the outer circumference of the building 11. In the following description of the connecting column unit 1, the horizontal direction along the outer periphery of the building 11 is referred to as the width direction (direction of arrow direction of arrow Y). The width direction and the indoor/outdoor direction are orthogonal. In the description of the connecting column unit 1, the side where both ends in the width direction are located relative to the center in the width direction is referred to as the outer side in the width direction, and the side where the center in the width direction is located relative to both ends in the width direction is referred to as the inner side in the width direction. It is sometimes written as

As shown in FIGS. 1 and 3, the connecting column unit 1 includes two wooden columns 4 arranged at a predetermined interval in the width direction, and a column capital connection that connects the capitals of the two wooden columns 4 to each other. It has a member 5, a column base member 6 attached to each column base of two wooden columns 4, and a column base connecting member 7 that connects the column base members 6 to each other.
The column base member 6 corresponds to the "column joint material" and "lower column joint material" of the present invention, and the column base connecting member 7 corresponds to the "coupling material" of the present invention.

The two wooden columns 4 are rectangular prisms with the same cross-sectional shape. One of the two wooden columns 4 is located at one end of the connecting column unit 1 in the width direction, and the other is located at the other end of the connecting column unit 1 in the width direction. As shown in FIG. 2, when the connecting column units 1 are arranged adjacent to each other in the width direction, the mutually adjacent wooden columns 4 of the adjacent connecting column units 1 come close to each other with a slight gap. As will be described later, the connecting column unit 1 shown in FIG. 2 is in a state with the column base connecting member 7 removed.

As shown in FIGS. 4 to 6, a corner cut portion 41 is formed at the lower end portion of each of the four corners on the outer periphery of the wooden column 4. In FIG. 6, the column base connecting member 7 is omitted.
As shown in FIGS. 1 and 2, a through-hole 42 is formed in the middle portion of the wooden column 4 in the height direction, and penetrates in the indoor-outdoor direction. A temporary member attachment portion 421 is provided inside the through hole. The temporary member attachment section 421 includes a metal fitting to which a temporary member can be attached. The temporary member attachment portion 421 will be described later.

As shown in FIGS. 4 and 5, the column base member 6 includes a column base insertion plate portion 61 and a lower plate portion 62.
The lower plate portion 62 has a flat plate shape, and has a rectangular plate surface larger than the lower end surface of the wooden column 4. The lower plate part 62 overlaps under the lower end surface of the wooden column 4 with the plate surface being a horizontal plane.
As shown in FIG. 6, the outer edge 62a of the lower plate portion 62 in the width direction overlaps with the outer surface 4a of the wooden column 4 in the width direction. The inner edge 62b of the lower plate portion 62 in the width direction protrudes further inward in the width direction than the inner surface 4b of the wooden column 4 in the width direction. The outdoor edge 62c of the lower plate portion 62 overlaps the outdoor surface 42c of the wooden column 4. The indoor side edge 62d of the lower plate part 62 projects further indoors than the indoor side surface 4d of the wooden column 4. In the lower plate part 62, three corners, two corners located on the inside in the width direction and a corner located on the outside and indoor side in the width direction, are exposed without overlapping with the corners 4.

As shown in FIGS. 4 and 5, the column base insertion plate part 61 has a flat plate shape, and projects upward from the upper surface of the lower plate part 62 with the plate surface facing indoors and outdoors. The plate surface of the column base insertion plate portion 61 is a vertical surface. The column base insertion plate portion 61 is inserted into the column base groove portion 45 provided in the column base of the wooden column 4. The column base groove 45 is a groove that opens downward and extends in the width direction. The column base insertion plate portion 61 inserted into the column base groove portion 45 is fixed to the wooden column 4 by a drift pin 631. A joint hole 613 into which a drift pin 631 is inserted is formed in the column base insertion plate 61 .
The length of the column base insertion plate portion 61 in the width direction is larger than the length of the wooden column 4 in the width direction.
The widthwise outer edge 61a of the column base insertion plate portion 61 is arranged slightly inside the widthwise outer surface 4a of the wooden column 4. The inner edge 61b of the column base insertion plate portion 61 in the width direction protrudes further inward in the width direction than the inner surface 4b of the wooden column 4 in the width direction. The vertical length of the column base insertion plate portion 61 is the same as the depth of the column base groove portion 45. The column base insertion plate portion 61 inserted into the column base groove portion 45 does not protrude from the lower end surface of the wooden column 4. As shown in FIG. 1, a protruding portion 611 of the pedestal insertion plate 61 that protrudes inward in the width direction from the wooden column 4 has a connecting hole 612 into which a bolt for connecting the pedestal connecting member 7 is inserted. It is formed.

As shown in FIG. 7, the lower plate portion 62 includes locations near each of three corners, two corners 62e and 62f on the outdoor side, and one corner 62g on the indoor side and inside in the width direction, in a plan view. Screw holes 621 penetrating in the vertical direction are formed at four locations in the central portion of the screen. A spacer 622 is joined to each of these screw holes 621. The spacer 622 is, for example, a bolt that is screwed into the screw hole 621 from below. The spacer 622 protrudes downward from the lower plate portion 62. The protrusion dimension of the spacer 622 from the lower plate portion 62 can be adjusted.
The leading end (lower end) of the spacer 622 contacts the upper surface of the floor slab 3 . Thereby, a gap is formed between the lower surface of the lower plate part 62 and the upper surface of the floor slab 3. A grout material 81 is filled in the space between the lower surface of the lower plate part 62 and the upper surface of the floor slab 3.

The spacer 622 can adjust the height of the lower plate part 62 with respect to the upper surface of the floor slab 3 by adjusting the protruding dimension from the lower plate part 62. That is, the spacer 622 can adjust the installation height of the wooden pillar 4 to which the lower plate part 62 is attached by adjusting the protruding dimension from the lower plate part 62. The spacer 622 corresponds to the "installation height adjustment section" of the present invention. The spacer 622 can adjust the protrusion dimension from the lower plate part 62 both before the connecting column unit 1 is installed on the upper surface of the floor slab 3 and after it is installed on the upper surface of the floor slab 3.

As shown in FIG. 6, the lower plate part 62 has three holes penetrating in the vertical direction at the inner part in the width direction that protrudes inward in the width direction from the inner surface 4b in the width direction of the wooden column 4. Holes 623-625 are formed at intervals in the indoor and outdoor directions. Among the three holes 623 to 625, two holes 623 and 624 on the outdoor side are referred to as fixing holes 623 and 624, and one hole 625 on the indoor side is referred to as a filling hole 625.
The two fixing holes 623 and 624 are arranged such that the fixing hole 623 on the outdoor side is placed closer to the outdoors than the column pedestal insertion plate 61, and the fixing hole 624 on the indoor side is placed closer to the column pedestal inserting plate 61. It is also placed indoors.

Bolts (fixing tools) for joining the lower plate part 62 and the lower steel beam 2 are inserted into the two fixing holes 623 and 624.
The filling hole 625 is a hole for filling the gap between the lower plate part 62 and the floor slab 3 with the grout material 81. The grout material 81 corresponds to the "filler" of the present invention. The filling hole 625 is provided near the corner 62f on the indoor side and inside in the width direction of the lower plate part 62.

The lower plate part 62 has three corners cut into corners: two corners 62g and 62h on the outdoor side and a corner 62e on the indoor side and outside in the width direction. A portion of the lower plate portion 62 in which a corner portion is cornered and notched is referred to as an outflow notch portion 626.
Of the three outflow notches 626, the outflow notch 626 located at the outdoor and widthwise outer corner 62h of the lower plate part 62 is a corner cut formed at the lower end of the wooden column 4. It overlaps below the section 41. A method for filling the gap between the lower plate portion 62 and the floor slab 3 with the grout material 81 will be described later.

Returning to FIGS. 1 and 3, the column base connecting member 7 is a long steel material and extends in the width direction. The column base connecting member 7 has a C-shaped cross section that opens toward the outdoors. The column base connecting member 7 has a vertical plate portion 7a, a lower plate portion 7b, and an upper plate portion 7c. The vertical plate portion 7a is a long flat plate, extends in the width direction, and is arranged with the plate surface facing the vertical plane. The lower plate portion 7b projects horizontally from the lower edge of the vertical plate portion 7a toward the outdoors. The upper plate portion 7c projects horizontally from the upper edge of the vertical plate portion 7a toward the outdoors. One end in the width direction of the column base connecting member 7 is connected to a protruding portion 611 of the column base insertion plate portion 61 of the column base member 6 attached to the wooden column 4 on one side in the width direction and a plurality of bolts 7e ( (see Figure 3). The other end in the width direction of the column base connecting member 7 is connected to the protruding portion 611 of the column base insertion plate portion 61 of the column base member 6 attached to the wooden column 4 on the other side in the width direction and a plurality of bolts 7e. Detachably joined. The column base connecting member 7 is removably attached to the column base insertion plate portion 61, that is, the column base member 6. As shown in FIG. 1, after the connecting column unit 1 is installed in the building 11, the column base connecting member 7 can be removed from the column base member 6.
The column base connecting member 7 is joined to the protruding portion 611 of the column base insertion plate portion 61 of the column base member 6 from the outdoor side. The indoor side surface 7d of the vertical plate portion 7a of the column base connecting member 7 contacts the outdoor side surface 611a of the protruding portion 611. The indoor surface 7d of the vertical plate portion 7a of the column base connecting member 7 corresponds to the "vertical surface" of the present invention.

As shown in FIGS. 1, 3, and 8, the column head connecting member 5 is a long steel member extending in the width direction. The capital connecting member 5 has a capital connecting part 51 and a capital connecting part 52. The column capital connecting portion 51 and the column capital connecting portion 52 correspond to the “column connecting material” and the “upper column connecting material” of the present invention, and the column capital connecting portion 52 corresponds to the “coupling material” of the present invention. The column head joint portion 51 is joined to the upper end portions of each of the two wooden columns 4. Two capital joints 51 are provided in one capital connection member 5. The capital connecting portion 52 connects the two capital connecting portions 51. The two capital joint parts 51 and the capital connection part 52 are provided integrally. That is, the "column joining material" and the "upper pillar joining material" are provided integrally.

The capital joint portion 51 includes a capital insertion plate portion 511 and an upper plate portion 512.
The upper plate portion 512 has a flat plate shape, and its plate surface has approximately the same shape as the upper end surface of the wooden column 4. The upper plate portion 512 overlaps the upper end surface of the wooden column 4 with the plate surface being a horizontal plane.

The column capital insertion plate part 511 has a flat plate shape, and protrudes downward from the lower surface of the upper plate part 512 with the plate surface facing indoors and outdoors. The capital insertion plate portion 511 is inserted into the capital groove portion 44 provided in the capital of the wooden column 4. The capital groove 44 is a groove that opens upward and extends in the width direction. The capital insertion plate portion 511 inserted into the capital groove portion 44 is fixed to the wooden column 4 by a drift pin 521. A joint hole 513 (see FIG. 8) into which a drift pin 521 is inserted is formed in the column head insertion plate 511.
The length of the column head insertion plate portion 511 in the width direction is slightly smaller than the length of the wooden column 4 in the width direction. The vertical length of the capital insertion plate portion 511 is approximately the same as the depth of the capital groove portion 44 . The capital insertion plate portion 511 inserted into the capital groove portion 44 does not protrude from the side surface and upper end surface of the wooden column 4.

The column head connecting portion 52 has an elongated flat plate shape. The capital connecting portion 52 has one end joined to the upper plate portion 512 of one of the capital joining portions 51 in a posture in which the plate surface is a horizontal plane, and the other end thereof is joined to the upper plate portion 512 of the other capital joining portion 51. It is joined with. The column capital connecting portion 52 is arranged above between the two wooden columns 4. The upper steel beam 2 (see FIG. 2) is placed above the column head connection portion 52.
The column head connecting portion 52 is joined to the steel beam 2. As shown in FIG. 8, bolt holes 523 through which bolts 522 (see FIG. 9) that connect the column capital connection portion 52 and the steel beam 2 are inserted are provided in the column capital connection portion 52 at intervals in the width direction and the indoor/outdoor direction. There are multiple formations.

A construction method for the building 11 in which the connecting column unit 1 is installed will be explained.
First, a connecting column unit manufacturing process for manufacturing the connecting column unit 1 is carried out in a factory or on the premises where construction is to be carried out. In the connecting column unit manufacturing process, the column head connecting member 5 is joined to the capitals of the two wooden columns 4, and the column base members 6 are joined to the column bases of the two wooden columns 4, so that the two wooden columns 4 are connected to each other. The column base connecting member 7 is fixed to the column base member 6. In this way, the connecting column unit 1 framed in the shape of a four-sided frame is manufactured.

A connecting column unit installation process is performed in which the manufactured connecting column unit 1 is installed in the building 11.
First, the connecting column unit 1 is lifted using a lifting device such as a crane and installed on the installation floor of the building 11. The connecting column unit 1 according to this embodiment performs lifting by hooking the column head connecting member 5 to the hook of a lifting device.
A connecting column unit 1 is installed on a floor slab 3 at the outer periphery of a building. A connecting column unit 1 is installed at a position vertically above a lower steel beam 2 with a floor slab 3 interposed therebetween.
When installing the connecting column unit 1 on the floor slab 3, the lower end of the spacer 622 of the column base member 6 is brought into contact with the upper surface of the floor slab 3. If the lower end of the spacer 622 does not come into contact with the upper surface of the floor slab 3, the size of the spacer 622 protruding from the lower plate 62 is adjusted. In this way, a gap is formed between the lower plate portion 62 of the column base member 6 and the upper surface of the floor slab 3.

As shown in FIG. 10, one end of the temporary stay 16 is attached to a temporary member attachment part 421 provided on the wooden pillar 4, and the other end is attached to the floor slab 3. Thereby, the connecting column unit 1 can be maintained in a stable state even during temporary installation, and the standing state can be adjusted so that the connecting column unit 1 is vertical while moving the temporary stay 16.
As shown in FIG. 11, one end of a temporary member 151 that connects the connecting column unit 1 and the scaffolding 15 is attached to a temporary member attachment part 421 provided on the wooden column 4, and the other end is attached to the scaffolding 15.
This ensures safety when installing exterior materials.

As shown in FIG. 9, the wooden column side bolts 75 are inserted into the fixing holes 623, 624 of the lower plate part 62 of the column base member 6 of the connecting column unit 1, and the Fasten with nut 74. In the following description, the connecting column unit 1 refers to the connecting column unit 1 shown above the steel beam 2 in FIG.
The two fixing holes 623 and 624 of the lower plate part 62 are arranged vertically above the tall nut 74 joined to the lower steel beam 2, respectively. The tall nut 74 is joined to the upper flange 71 of the steel beam 2. The high nut 74 is joined to the steel beam 2 by fastening a steel beam side bolt 73 inserted from below into a hole 72 formed in the upper flange 71 of the steel beam 2. Two tall nuts 74 are placed in the holes 31 formed in the floor slab 3. The hole 31 is a long hole whose planar shape when viewed from above and below extends in the indoor and outdoor directions. In this embodiment, two tall nuts 74 are arranged in one elongated hole (hole 31), but two tall nuts 74 may be arranged in each hole. In this case, the hole may be other than a long hole, such as a round hole. After fastening the wooden column side bolt 75 to the tall nut 74, a grout material 82 is filled between the inner circumferential surface of the hole 31 and the tall nut 74.
In this way, the connecting column unit 1 is joined to the lower steel beam 2.

Subsequently, the connecting column unit 1 and the upper steel beam 2 are joined. In the following description, the connecting column unit 1 refers to the connecting column unit 1 shown below the steel beam 2 in FIG.
The steel beam 2 is installed on the connecting column unit 1, and the column head connecting portion 52 of the column head connecting member 5 of the connecting column unit 1 and the lower flange 21 of the upper steel beam 2 are joined with bolts 522.
In this way, the connecting column unit 1 is joined to the lower steel beam 2.

Subsequently, a grout material 81 is filled between the lower plate portion 62 of the column base member 6 and the upper surface of the floor slab 3.
As shown in FIG. 12, a formwork 83 is installed along the edge of the lower plate part 62 so as to surround the space between the lower plate part 62 of the column base member 6 and the floor slab 3 from the outer periphery. The formwork 83 does not lie along the outflow notch 626 of the lower plate portion 62, but forms a corner outside the oblique portion of the outflow notch 626. Therefore, a gap 832 is formed between the oblique portion of the outflow notch 626 and the corner 831 of the formwork 83.

When the grout material 81 is injected between the lower plate part 62 and the floor slab 3 from the filling hole part 625 in this state, the grout material 81 spreads between the lower plate part 62 and the floor slab 3, and the grout material 81 spreads between the lower plate part 62 and the floor slab 3. A grout material 81 is filled between the floor slab 3 and the floor slab 3. When the grout material 81 reaches the outflow notch 626 of the lower plate part 62, it flows upward through the gap 832 between the diagonal part of the outflow notch 626 and the corner 831 of the formwork 83. Since the outflow notches 626 are provided at a position apart from the filling hole 625, if it is confirmed that the grout material 81 has flowed out from the gaps 832 between the three outflow notches 626 and the formwork 83, It can be confirmed that the grout material 81 is filled between the lower plate part 62 and the floor slab 3.
Once the grout material 81 has hardened, the formwork 83 is removed.

Once the connecting column unit 1 is joined to the upper and lower steel beams 2, the temporary members 151 and temporary stays 16 that connect the connecting column unit 1 and the scaffolding 15 are removed as necessary.
Further, if necessary, the column base connecting member 7 is removed from the column base member 6 and removed.

Next, the functions and effects of the construction method of the connecting column unit 1 and the building 11 according to the embodiment of the present invention described above will be explained.
In the connecting column unit 1, two wooden columns 4 are connected to each other with an interval in the width direction.
Therefore, two wooden columns 4 can be installed at the same time by manufacturing the connecting column unit 1 in advance in a factory or on the site where the building 11 is to be constructed and then installing it in the building 11. Furthermore, by setting the interval between the two wooden columns 4 to a value that matches the design, alignment of the wooden columns 4 becomes easy.
Furthermore, the column base member 6 is joined to the lower end of the wooden column 4, and the column head connecting member 5 is joined to the upper end of the wooden column 4, so that the column base member 6 can be connected to the lower steel beam 2. If the column head connecting member 5 is connected to the upper steel beam 2, the wooden column 4 and the upper and lower steel beams 2 can be easily connected, reducing the work at the construction site, and the connection between the wooden column 4 and the steel beam 2 is reduced. The accuracy of joints is improved and stable quality can be ensured. In particular, in this embodiment, it is not necessary to drive the drift pins 521, 531 for joining the column base member 6 and the column capital connecting member 5 to the wooden column 4 on site, so that the work at the construction site can be reduced.

The column base connecting member 7 of the connecting column unit 1 connects the column base members 6 of the two wooden columns 4 to each other. Thereby, by attaching the column base connecting member 7 to the column base member 6, it is possible to easily connect the two wooden columns 4 with a predetermined distance therebetween. Moreover, if the column capital connection part 51 and the column capital connection part 52 are integrated like the column capital connection member 5, by attaching the column capital connection part 51 to each of the two wooden columns 4, the column capital connection part 52 can connect the two columns. Since the wooden columns 4 are connected, the connecting column unit 1 can be easily manufactured.

The column base connecting member 7 of the connecting column unit 1 is detachable from the column base members 6 of the two wooden columns 4. As a result, even if the position where the column base connecting member 7 is installed and the position where the internal fixtures are installed overlap, the internal fixtures can be removed by removing the column base connecting member 7 after installing the connecting column unit 1 in the building 11. can be easily constructed.

Fixing holes 623 and 624 into which wooden column side bolts 75 for fixing to the steel beam 2 are inserted are formed in the column base member 6 of the connecting column unit 1 and the column head joint 51 of the column capital connecting member 5. There is. Thereby, the column base member 6 and the column head connecting member 5 can be easily joined to the steel beam 2.
Furthermore, by forming the fixing holes 623 and 624 when manufacturing the connecting column unit 1, it is possible to easily position the wooden column side bolts 75 when the connecting column unit 1 is installed in the building 11. Can be done.

The column base members 6 of the connecting column unit 1 are arranged above the floor slab 3 at intervals, and a gap between the column base members 6 and the floor slab 3 is filled with grout. With this configuration, even if there are construction errors in the floor slab 3 or unevenness on the top surface of the floor slab 3, the gaps between the column base members 6 and the floor slab 3 can eliminate these construction errors and unevenness. It can be absorbed.

The column base member 6 of the connecting column unit 1 has a filling hole 625 for filling the grout between the floor slab 3 and the floor slab 3, and allows the surplus of the grout filled between the floor slab 3 and the floor slab 3 to flow out. It has an outflow notch 626. Thereby, the grout material can be easily filled between the column base member 6 and the floor slab 3, and it can be easily confirmed whether the grout material has been reliably filled.

The column base member 6 of the connecting column unit 1 has a lower plate part 62 and a plurality of spacers 622 that protrude downward from the lower plate part 62, and the spacers 622 adjust the protrusion dimension from the lower plate part 62. This is possible, and upon contact with the floor slab 3, the vertical load acting on the wooden column 4 can be transmitted to the floor slab 3.
With such a configuration, when connecting the connecting column unit 1 to the upper and lower steel beams 2, even if grout is not filled between the lower plate part 62 and the floor slab 3, By contacting the spacer 622 with the floor slab 3, the connecting column unit 1 can be maintained in a stable state. Moreover, since the protruding dimension of the spacer 622 can be adjusted, the spacer 622 can be brought into reliable contact with the floor slab 3.

The column head connecting member 5 of the connecting column unit 1 can be hooked with a hook of a lifting device that lifts the connecting column unit 1. Thereby, when lifting the connecting column unit 1, there is no need to provide a string or metal fittings for hooking the hook of the lifting device on the connecting column unit 1, and the work can be simplified.

The wooden pillar 4 of the connecting pillar unit 1 has a temporary member attachment part 421 to which a temporary member can be attached. As a result, for example, by attaching the temporary stay 16 to the temporary member attachment part 421, the connecting column unit 1 can be maintained in a stable state even during temporary installation, and the temporary stay 16 can maintain the standing state of the connecting column unit 1. Can be adjusted. Further, for example, by attaching the temporary member 151 for connecting the connecting column unit 1 to the scaffolding to the temporary member attachment portion 421, safety can be ensured when installing the exterior material.

Although the embodiments of the connecting column unit and building construction method according to the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be modified as appropriate without departing from the spirit thereof.
For example, in the above embodiment, the two wooden columns 4 are connected in the connecting column unit 1, but three or more wooden columns 4 may be connected.
In the above embodiment, in the connecting column unit 1, the lower ends of the two wooden columns 4 are connected to each other by the column base member 6 and the column base connecting member 7, and the upper ends are connected to each other by the column capital connecting member 5. . In the connecting column unit according to the present invention, either the lower end or the upper end of each of the plurality of wooden columns 4 may be connected.
In the connecting column unit, a plurality of wooden columns 4 are connected by a connecting material, and at least one of a lower end and an upper end of the plurality of wooden columns 4 is connected to a structural member provided below or above by a column connecting material. That's fine. In other words, the connecting column unit is connected to a lower structural member by a lower column connecting material provided at the lower end of a plurality of wooden columns, and an upper column connecting material provided at the upper end of a plurality of wooden columns. It is sufficient that the structure has at least one form in which it is connected to the upper structural member by a material.
In the above embodiment, the connecting column unit 1 is provided along the outer periphery of the building 11, but may be provided inside the outer periphery of the building 11.
In the above embodiment, the connecting column unit 1 is joined to the upper and lower steel beams 2 and the floor slab 3, but it may be fixed to a structural member other than the steel beam. For example, it may be joined to a wooden beam or foundation.

In the above embodiment, the column base member 6 is attached to the lower end of each of the two wooden columns 4, and the column base connecting member 7 connects the column base members 6 of the two wooden columns 4 to each other. There is. On the other hand, the column base connecting member 7 that connects the lower ends of the two wooden columns 4 may be directly attached to each of the two wooden columns 4. In such a case, the column base connecting member 7 may be provided with a vertical surface that is joined to the wooden column 4. For example, the end of the column base connecting member 7 may be bent, and a vertical surface that makes surface contact with the side surface of the wooden column 4 may be formed at the bent portion.
In the above embodiment, the column base connecting member 7 is detachable from the column base member 6 of each of the two wooden columns 4, but is integrated with the column base member 6 and cannot be removed from the column base member 6. It may be configured as follows.
In the above embodiment, the column pedestal connecting member 7 and the column pedestal member 6 are arranged such that the indoor side surface 7d of the vertical plate portion 7a of the column pedestal connecting member 7 is in contact with the outdoor side surface 611a of the protruding portion 611. , are joined by a plurality of bolts 7e. The column pedestal connecting member 7 and the column pedestal member 6 may not be in contact with each other in their vertical surfaces, or may be removably joined by a connection other than bolt connection. The cross-sectional shape of the column base connecting member 7 may be other than the C-shape described above. Further, the end portion of the column pedestal connecting member 7 may be bent, and a vertical surface that makes surface contact with the column pedestal member 6 may be formed in the bent portion.
In the above embodiment, the column pedestal connecting member 7 is arranged on the outdoor side of the protruding portion 611, but the column pedestal connecting member 7 may be arranged on the indoor side of the protruding portion 611.

In the embodiment described above, the column capital connecting member 5 in which the column capital connecting part 51 and the column capital connecting part 52 are integrated is attached to the upper end of each of the two wooden columns 4. The capital connecting portion 51 and the capital connecting portion 52 may be separate members, or the capital connecting portion 52 may be detachably attached to the capital connecting portion 51. The column head connecting portion 52 that connects the two wooden columns 4 may be directly joined to each of the two wooden columns 4.

In the above embodiment, the column base member 6 of the connecting column unit 1 and the column head joint 51 of the column head connecting member 5 have fixing holes 623 and 624 into which fixing tools for fixing to the steel beam 2 are inserted. However, the fixing holes 623 and 624 may not be formed. The connection between the column head joint 51 of the column base member 6 and the column capital connection member 5 and the structural material of the building may be other than bolt connection or connection using a bolt and a tall nut.

In the above embodiment, the grout material is filled between the lower plate part 62 of the column base member 6 of the connecting column unit 1 and the floor slab 3. It may also be in direct contact with lower structural members such as steel beams 2 or the like. As a result, the column base member 6 does not need to be provided with the filling hole 625 for filling with grout and the outflow notch 626 for draining the surplus of the filled grout. The column base member 6 does not need to be provided with the plurality of spacers 622 that protrude downward from the lower plate portion 62 and come into contact with the lower structural member. Furthermore, the dimension of the spacer 622 protruding from the lower plate portion 62 may not be adjustable. That is, the connecting column unit 1 does not need to be provided with an installation height adjustment section that can adjust the installation height of the wooden column 4.

In the above embodiment, the column head connecting member 5 is configured to be able to hook the hook of the lifting device that lifts the connecting column unit 1, but it does not have to be configured in this way.

In the above embodiment, the wooden pillar 4 is provided with the temporary member attachment part 421 to which a temporary member can be attached, but the temporary member attachment part 421 may not be provided. Moreover, the form of the temporary member attachment part 421 may be other than the above.

1 Connecting column unit 2 Steel beam 2 Steel beam 3 Floor slab 4 Wooden column 5 Column connection member (column connection material, upper column connection material, connection material)
6 Column base members (column joint material, lower column joint material)
7 Column base connection member (connection material)
7a Vertical plate part 7d Indoor side surface (vertical surface)
11 Building 12 Foundation 16 Temporary stay (temporary member)
51 Column head joint (column joint material, upper column joint material)
52 Column connection part (column connection material, lower column connection material, connection material)
81 Grout material 83 Formwork 151 Temporary member 421 Temporary member attachment part 622 Spacer (installation height adjustment part)
623, 624 Fixing hole 625 Filling hole 626 Outflow notch

Claims (16)

A plurality of wooden columns arranged at predetermined intervals in the horizontal direction;
a connecting member that connects the plurality of wooden columns at the predetermined intervals;
A lower column joining material that is joined to the lower end of each of the plurality of wooden columns and is joined to a structural member provided below, and a structural member that is joined to the upper end of each of the plurality of wooden columns and provided above. and at least one of the upper column joining materials to be joined to the connecting pillar unit. The connecting column unit according to claim 1, wherein the connecting member connects the column connecting members of the horizontally adjacent wooden columns at the predetermined interval. The connecting column unit according to claim 1 or 2, comprising the upper column joining material. The connecting column unit according to claim 1 or 2, comprising both the lower column joining material and the upper column joining material. The connecting column unit according to claim 1 or 2, wherein the connecting member and the upper column joining material are integrally formed. The connecting column unit according to claim 2, wherein the connecting member is detachable from the lower column joining material. The connecting column unit according to claim 6, wherein the connecting member has a vertical surface that is joined to the lower column connecting material. The connecting column unit according to claim 6 or 7, wherein the connecting member is fixed to one of the lower column connecting members with a plurality of bolts. The connecting column unit according to claim 1 or 2, wherein the lower column connecting material has an installation height adjustment part that can adjust the installation height of the wooden column with respect to the structural material provided below. 3. The connecting column unit according to claim 1, wherein the column bonding material has a fixing hole portion into which a fixture for fixing the column bonding material and the structural material is inserted. The connecting column unit according to claim 1 or 2, wherein the lower column joining material is arranged above the structural material at a distance, and a filler is filled in the space between the lower column joining material and the structural material. The lower column joining material is
a filling hole for filling the filler into a gap with the structural material;
12. The connecting column unit according to claim 11, further comprising an outflow notch portion through which an excess amount of the filler filled in the space between the structural member and the structural member flows out. The lower column joining material is
a lower plate portion provided along the lower end surface of the wooden column;
a spacer protruding downward from the lower plate portion,
12. The connection according to claim 11, wherein the spacer is capable of adjusting a protrusion dimension from the lower plate part, and is also capable of transmitting a vertical load acting on the wooden column to the structural member when it comes into contact with the structural member. pillar unit. The connecting column unit according to claim 1 or 2, wherein the connecting member is capable of hooking a hook of a lifting device that lifts the connecting column unit. The connecting column unit according to claim 1 or 2, wherein the wooden column has a temporary member attachment part to which a temporary member can be attached. A connecting column unit manufacturing step of manufacturing the connecting column unit according to claim 1;
A method for constructing a building, comprising: a connecting column unit installation step of joining the connecting column unit to the structural material.

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