JP2020147998A - Column joint structure and column beam joint structure - Google Patents

Abstract

To provide a column joint structure or the like capable of increasing the strength and rigidity of a joint portion between a wooden lower column and a wooden upper column.SOLUTION: A column joint portion comprises a metal lower joint member 2X provided on a wooden lower column 1X and a metal upper joint member 2Y provided on a wooden upper column 1Y, in which the upper column and the lower column were joined by joining the lower joint member and the upper joint member. The lower joint member 2X includes a fixed portion 2A fixed to the upper side of the lower column by a fixing means, and a joint portion 2B provided at the upper end of the fixed portion and extending in a direction in which an upper surface 2a is orthogonal to the central axis of the lower column. The upper joint member 2Y includes a fixed portion 2A fixed to the lower side of the upper column by a fixing means, and a joint portion 2B provided at the lower end of the fixed portion and extending in a direction in which a lower surface 2b extends in a direction orthogonal to the central axis of the upper column. The joint portion of the lower joint member and the joint portion of the upper joint member are joined by the joint means in a state where the upper surface of the joint portion of the lower joint member and the lower surface of the joint portion of the upper joint member are in contact with each other.SELECTED DRAWING: Figure 1

Description

The present invention relates to a column joining structure in which a wooden lower column and a wooden upper column are joined by a joining member.

A groove (slit) extending from the upper end surface of the wooden lower pillar toward the inside of the pillar in the direction along the central axis of the pillar is formed, and the pillar is formed from the lower end surface of the wooden upper pillar toward the inside of the pillar. Grooves (slits) extending in the direction along the central axis are formed, a joint plate made of steel plate is attached to these grooves, and the upper end side of the joint plate and the upper pillar are fixed with a drift pin or the like and joined. A column joining structure is known in which a lower column and an upper column are joined by fixing the lower end side of the plate and the lower column with a drift pin or the like (see Patent Document 1).

Japanese Unexamined Patent Publication No. 2008-174962

However, in the above-mentioned column joining structure, the lower column and the upper column are simply joined by a joining plate formed of a flat plate having a plate surface extending along the central axis of the column. There is a problem that the strength and rigidity of the portion are small.
The present invention provides a column joint structure or the like capable of increasing the strength and rigidity of the joint portion between the wooden lower column and the wooden upper column.

The pillar joining structure according to the present invention includes a metal lower joining member provided so as to project upward from the upper end surface of the wooden lower pillar arranged on the lower side and an upper wooden pillar arranged on the upper side. It is provided with a metal upper joining member provided so as to project below the lower end surface of the column, and the upper column and the lower column are joined by joining the lower joining member and the upper joining member. In the column joining structure, the lower joining member is a joining portion fixed to the upper side of the lower pillar by a fixing means and a joint provided at the upper end of the fixing portion and whose upper surface extends in a direction orthogonal to the central axis of the lower pillar. The upper joining member includes a fixing portion fixed to the lower side of the upper pillar by a fixing means, and a joining portion provided at the lower end of the fixing portion and extending in a direction in which the lower surface extends in a direction orthogonal to the central axis of the upper pillar. In a state where the upper surface of the joint portion of the lower joint member and the lower surface of the joint portion of the upper joint member are in contact with each other, the joint portion of the lower joint member and the joint portion of the upper joint member are joined by the joining means. It is characterized by that.
Further, the lower joint member and the upper joint member are made of T-shaped steel, and the horizontal plate of the T-shaped steel functions as a joint portion and the vertical plate of the T-shaped steel functions as a fixing portion. To do.
Further, the joining means includes a connecting shaft insertion through hole formed so as to penetrate the joint portion of the lower joining member and the joining portion of the upper joining member, and a connecting shaft inserted into the connecting shaft insertion through hole. It is characterized in that it is provided with a fixing member in which the connecting shaft is fixed to the through hole for inserting the connecting shaft.
Further, the lower column and the upper column are columns formed in a cross section larger than the cross section of one column constituent member by joining a plurality of wooden column constituent members having a rectangular cross section orthogonal to the material axis direction. That is, one pillar constituent member and the other pillar constituent member arranged so that the facing surfaces along the material axis direction face each other at a predetermined interval are opposed to each other at a predetermined interval. The metal plate provided between the facing surface of one pillar constituent member and the facing surface of the other pillar constituent member, and one plate surface of the metal plate and the facing surface of one pillar constituent member are in contact with each other and , In a state where the other plate surface of the metal plate and the facing surface of the other pillar constituent member are in contact with each other, the one pillar constituent member is provided with a joining means for joining the metal plate and the other pillar constituent member. Then, the fixing portion of the upper joining member is inserted between the facing surface of one column constituent member and the facing surface of the other column constituent member that opens to the lower end surface of the upper column and is fixed by the fixing means, and is fixed on the lower side. The fixing portion of the joining member is inserted between the facing surface of one column constituent member and the facing surface of the other column constituent member that opens to the upper end surface of the lower column and is fixed by the fixing means. ..
Further, the fixing means includes a connecting shaft insertion through hole provided so as to be continuous over one pillar constituent member, the fixing portion, and the other pillar constituent member, and a connection inserted into the connecting shaft insertion through hole. It is characterized by including a shaft and a fixing member in which the connecting shaft is fixed to the through hole for inserting the connecting shaft.
Further, the joining means for joining one pillar constituent member, the metal plate, and the other pillar constituent member is provided so as to be continuous over one pillar constituent member, the metal plate, and the other pillar constituent member. It is characterized by including a through hole for inserting a shaft, a connecting shaft inserted into the through hole for inserting a connecting shaft, and a fixing member in which the connecting shaft is fixed to the through hole for inserting the connecting shaft.
Further, the metal plate is formed of a vertical plate of T-shaped steel, and in the T-shaped steel, the facing surface of one column constituent member and the facing surface of the other column constituent member are in contact with each other, and the plate surface of the vertical plate is in contact with each other. , The outer surface of one column constituent member extending in the material axial direction perpendicular to the facing surface of one column constituent member and the other column constituent member extending in the material axial direction orthogonal to the opposing surface of the other column constituent member. It is characterized in that it is installed in a state where the outer surface of the horizontal plate and the plate surface on the vertical plate side of the horizontal plate are in contact with each other.
According to the column joint structure according to the present invention, the strength and rigidity of the joint portion can be increased, and a simple and inexpensive column joint structure can be provided.
The beam-column joint structure of the present invention is a beam-column joint structure between a column joined by the above-mentioned column-joint structure and a wooden beam, and the joint portion of the upper joint member or the joint portion of the lower joint member is a column. A beam joint portion extending outward from the side surface of the beam is provided, and the beam joint portion and a metal column joint portion provided so as to extend outward from the end face of the beam are joined by a joining means. It is characterized in that columns and beams are joined.
Further, the beam is a beam formed by joining a plurality of wooden beam constituent members having a rectangular cross section orthogonal to the material axis direction to form a cross section larger than the cross section of one beam constituent member. One beam component and the other beam component arranged so that facing surfaces along the material axis direction face each other at a predetermined distance, and one beam configuration facing each other at a predetermined distance. The metal plate provided between the facing surface of the member and the facing surface of the other beam constituent member, one plate surface of the metal plate and the facing surface of the other beam constituent member are in contact with each other, and the metal plate A metal plate is provided with a joining means for joining the one beam component, the metal plate, and the other beam component in a state where the other plate surface and the facing surface of the other beam component are in contact with each other. Is formed of a vertical plate of T-shaped steel, and in the T-shaped steel, the facing surface of one column component and the facing surface of the other column component are in contact with the plate surface of the vertical plate, and one of the columns The outer surface of one beam component extending perpendicular to the facing surface of the component and extending in the material axis direction, and the outer surface and lateral surface of the other beam component extending in the material axis direction perpendicular to the facing surface of the other beam component. It is characterized in that it is installed in contact with the plate surface on the vertical plate side of the plate, and the column joint is formed by a horizontal plate of T-shaped steel provided so as to extend outward from the end surface of the beam. To do.
According to the beam-column joint structure according to the present invention, the strength and rigidity of the beam-column joint portion can be increased, and a simple and inexpensive beam-column joint structure can be provided.

FIG. 5 is a cross-sectional view showing a column joint structure (Embodiment 1). FIG. 3 is a perspective view (Embodiment 1) showing a pillar formed by joining a lower pillar and an upper pillar. The perspective view (the first embodiment) which shows the lower pillar and the upper pillar separately. An exploded perspective view showing a column joint structure (Embodiment 1). FIG. 2 is a cross-sectional view showing a beam-column joint structure (Embodiment 2). The perspective view which shows the column-beam joint structure (the second embodiment). Plan view showing an application example of a beam-column joint structure (Embodiment 2)

Embodiment 1
The column joining structure according to the first embodiment will be described with reference to FIGS. 1 to 4.
The column joining structure according to the first embodiment is arranged above the metal lower joining member 2X provided so as to project above the upper end surface 1t of the wooden lower pillar 1X arranged on the lower side. By providing a metal upper joining member 2Y provided so as to project below the lower end surface 1u of the wooden upper pillar 1Y, the lower joining member 2X and the upper joining member 2Y are joined. It is a column joining structure in which the lower column 1X and the upper column 1Y are joined.

The lower joining member 2X is formed from an opening that opens in the upper end surface 1t of the lower column 1X in a gap S that extends downward from the upper end surface 1t of the lower column 1X along the central axis 1C of the lower column 1X. A fixing portion 2A that is inserted and fixed to the lower pillar 1X by a fixing means, and a joint portion that is provided at the upper end of the fixing portion 2A and whose upper surface (plate surface) 2a extends in a direction orthogonal to the central axis 1C of the lower pillar 1X. It is equipped with 2B.
Similarly, the upper joining member 2Y has an opening that opens in the lower end surface 1u of the upper pillar 1Y in the gap S extending upward from the lower end surface 1u of the upper pillar 1Y in the direction along the central axis 1C of the upper pillar 1Y. A fixing portion 2A inserted from the portion and fixed to the upper pillar 1Y by a fixing means, and a lower surface (plate surface) 2b provided at the lower end of the fixing portion 2A extend in a direction orthogonal to the central axis 1C of the upper pillar 1Y. It is provided with a joint portion 2B.

In the column joining structure according to the first embodiment, the upper surface (plate surface) 2a of the joining portion 2B of the lower joining member 2X and the lower surface (plate surface) 2b of the joining portion 2B of the upper joining member 2Y are in contact with each other. , The joint portion 2B of the lower joint member 2X and the joint portion 2B of the upper joint member 2Y are joined by a joining means.

The lower pillar 1X and the upper pillar 1Y are formed into a cross section larger than the cross section of one pillar constituent member by joining a plurality of wooden pillar constituent members having a rectangular cross section orthogonal to the material axis direction.
That is, in the lower pillar 1X and the upper pillar 1Y, one pillar constituent member 1A and the other pillar are arranged, for example, on the left and right so that the facing surfaces 1a and 1a along the axial direction face each other with a predetermined interval. A metal plate 3 and a metal plate 3 provided between the constituent member 1B and the facing surface 1a of one pillar constituent member 1A facing each other at a predetermined distance and the facing surface 1a of the other pillar constituent member 1B. In a state where one plate surface and the facing surface 1a of the one pillar constituent member 1A are in contact with each other, and the other plate surface of the metal plate 3 and the facing surface 1a of the other pillar constituent member 1B are in contact with each other. It is configured to include a joining means for joining one pillar constituent member 1A, a metal plate 3, and the other pillar constituent member 1B.

The joining means for joining one pillar constituent member 1A, the metal plate 3 and the other pillar constituent member 1B is continuous over, for example, one pillar constituent member 1A, the metal plate 3, and the other pillar constituent member 1B. As a fixing member for fixing the connecting shaft insertion through hole 4 provided as described above, the connecting shaft 5 inserted into the plurality of connecting shaft insertion through holes 4, and the connecting shaft 5 to the connecting shaft insertion through hole 4. It was composed of a nut 6.

The column constituent members 1A and 1B are long column constituent members having a rectangular cross section orthogonal to the material axial direction (longitudinal direction), and are made of CLT (Cross Laminated Timber) or laminated wood. It is formed.
As stipulated in the Ministry of Agriculture, Forestry and Fisheries Notification No. 3079, CLT is a "ground board or small square lumber (these are adjusted by joining and adhering them in the length direction with their fiber directions substantially parallel to each other). Included) are arranged or bonded in the width direction with their fiber directions substantially parallel to each other, and are mainly laminated and bonded with their fiber directions approximately perpendicular to each other to have a structure of three or more layers. " ..
That is, CLT is wood formed by laminating a plurality of boards so that the fiber directions of the boards to be laminated are orthogonal to each other, and is called an orthogonal laminated board.
Glulam is a wood made by laminating a plurality of boards so that the fiber directions of the boards to be laminated are parallel to each other.

As shown in FIG. 3, the facing surfaces 1a and 1a of the pillar constituent members 1A and 1B facing each other at a predetermined interval are parallel sides 1b and 1b which are sides along the material axis direction and the sides. It is a surface surrounded by a side 1c connecting one ends of 1b and 1b and a side 1d connecting the other ends of the sides 1b and 1b.

The metal plate 3 is formed of a vertical plate 31 of a T-shaped steel 30 having a T-shaped cross section having a vertical plate 31 and a horizontal plate 32.

As shown in FIGS. 3 and 4, for example, the T-shaped steel 30 is a column 1 (lower column 1X, upper column 1Y) formed by combining one column component 1A and the other column component 1B. On one side surface 1e side and the other side surface 1f side facing each other, they are installed symmetrically in the front-rear direction.
That is, as shown in FIG. 4, the other T-shaped steel 30 installed on the other side surface 1f side of the column 1 has a plate surface 31a of the vertical plate 31 and a facing surface 1a of the column constituent member 1A. Are in contact with each other, and the other plate surface 31b of the vertical plate 31 and the facing surface 1a of the other pillar constituent member 1B are in contact with each other. Further, it is orthogonal to the other side surface 1f as the outer surface of one column constituent member 1A extending in the material axis direction orthogonal to the facing surface 1a of one column constituent member 1A and the opposing surface 1a of the other pillar constituent member 1B. The other side surface 1f as the outer surface of the other column constituent member 1B extending in the direction of the material axis and the plate surfaces 32a and 32a on the vertical plate 31 side of the horizontal plate 32 (separated at the boundary between the vertical plate 31 and the horizontal plate 32). It is installed in contact with the board surface).
Similarly, in the one T-shaped steel 30 installed on the one side surface 1e side of the column 1, the one plate surface 31a of the vertical plate 31 and the facing surface 1a of the one column constituent member 1A come into contact with each other and are vertically formed. One column configuration in which the other plate surface 31b of the plate 31 and the facing surface 1a of the other column constituent member 1B are in contact with each other and extend in the material axial direction at right angles to the facing surface 1a of one column constituent member 1A. On one side surface 1e as the outer surface of the member 1A and one side surface 1e and the horizontal plate 32 as the outer surface of the other column component 1B extending in the material axial direction orthogonal to the facing surface 1a of the other column component 1B. It is installed in a state where the plate surfaces 32a and 32a (plate surfaces separated by the boundary between the vertical plate 31 and the horizontal plate 32) on the vertical plate 31 side are in contact with each other.
Further, the tip 31e of the vertical plate 31 of the one T-shaped steel 30 installed on one side surface 1e side of the pillar 1 and the tip of the vertical plate 31 of the T-shaped steel 30 installed on the other side surface 1f side of the pillar 1. It is configured so that it is separated from 31e by a distance T.
That is, in the column 1, the T-shaped steels 30 and 30 are installed so as to be symmetrical in the front-rear direction on one side surface 1e side of the column 1 facing each other and on the other side surface 1f side of the column 1. The tip 31e of the vertical plate 31 of the one T-shaped steel 30 installed on the one side surface 1e side and the tip 31e of the vertical plate 31 of the other T-shaped steel 30 installed on the other side surface 1f side of the pillar 1. The configuration is such that an interval T is provided between them.
Therefore, by using T-shaped steels 30 and 30 having a constant cross-sectional dimension and changing the interval T, it becomes possible to form columns 1 having various cross-sectional dimensions, so that columns 1 having various cross-sectional dimensions can be provided at low cost. become able to.

As shown in FIGS. 1 and 3, the through hole 4 for inserting the connecting shaft is a through hole 4A formed so as to penetrate, for example, the left and right surfaces (opposing surface 1a and side surface 1g) of one of the column constituent members 1A. A through hole 4B formed so as to penetrate through, for example, the left and right surfaces (opposing surface 1a and the side surface 1h) of the other column constituent member 1B, and a through hole 4C formed in the vertical plate 31 of the T-shaped steel 30. It is composed.
That is, the through hole 4 for inserting the connecting shaft includes the vertical plate 31 of the T-shaped steel 30 and the one column constituent member 1A installed so that one plate surface 31a and the facing surface 1a of the vertical plate 31 are in contact with each other. , 4A, 4C, 4B formed so as to be continuous with the other pillar constituent member 1B installed so that the other plate surface 31b of the vertical plate 31 and the facing surface 1a are in contact with each other. ..

The hole diameter of the through hole 4 for inserting the connecting shaft is formed to be slightly larger than the shaft diameter corresponding to the shaft diameter of the connecting shaft 5 so that the connecting shaft 5 can be inserted.

As shown in FIG. 1, large diameter portions 41 and 41 formed on both end sides of the through hole 4 for inserting the connecting shaft to have a diameter slightly larger than the diameter of the nut 6 corresponding to the diameter of the nut 6 are provided. I have.
One large-diameter portion 41 is formed in a large-diameter hole that extends from one end opening of the connecting shaft insertion through hole 4 and opens on a side surface 1g facing the facing surface 1a of one column constituent member 1A.
Similarly, the other large-diameter portion 41 is formed in a large-diameter hole that extends from the other end opening of the connecting shaft insertion through hole 4 and opens on the side surface 1h facing the facing surface 1a of the other column constituent member 1B. To.

The connecting shaft 5 is formed to be longer than the length of the connecting shaft insertion through hole 4 and shorter than, for example, the left-right width dimension of the pillar 1, and penetrates the connecting shaft insertion through hole 4 to penetrate the connecting shaft. Both ends protruding from both ends of the insertion through hole 4 to the large diameter portions 41 and 41, respectively, are formed on the screw portions 51 and 51 to which the nut 6 is screwed.

That is, between the facing surface 1a of one pillar constituent member 1A and the facing surface 1a of the other pillar constituent member 1B, these facing surfaces 1a, 1a and the plate surfaces 31a, 31b of the vertical plate 31 of the T-shaped steel 30 One column constituent member 1A, the other column constituent member 1B, and the T-shaped steel 30 so as to form the through hole 4 for inserting the connecting shaft by aligning the central axes of the through holes 4A, 4C, and 4B. After positioning, the connecting shaft 5 is inserted into the connecting shaft insertion through hole 4, and the nuts 6 are inserted into the large diameter portions 41 and 41 located on both ends of the connecting shaft insertion through hole 4, respectively. By screwing and fastening the nut 6 to the threaded portion 51 at the end of the connecting shaft 5, one pillar constituent member 1A, the vertical plate 31 (metal plate 3), and the other pillar constituent member 1B are joined. Pillar 1 is configured.
That is, the vertical plate 31 (metal plate 3) is interposed in the gap S between the facing surface 1a of one pillar constituent member 1A and the facing surface 1a of the other pillar constituent member 1B located in the middle of the left and right widths of the pillar 1. It is a wooden pillar 1 (lower pillar 1X, upper pillar 1Y) having a high rigidity and an inexpensive structure.

The lower joining member 2X and the upper joining member 2Y are made of, for example, a T-shaped steel 20 having a T-shaped cross section including a vertical plate 21 and a horizontal plate 22.

That is, the T-shaped steel 20 constituting the lower joining member 2X has a gap S between the facing surface 1a of one column constituent member 1A constituting the lower column 1X and the facing surface 1a of the other column constituent member 1B. A vertical plate 21 that is inserted through the opening of the gap S that opens in the lower end surface 1u of the lower pillar 1X and functions as a fixing portion 2A that is fixed to the lower pillar 1X via a fixing means, and a vertical plate 21 provided at the upper end of the vertical plate 21. It is configured to include a horizontal plate 22 whose upper surface (plate surface) 2a functions as a joint portion 2B extending in a direction orthogonal to the central axis 1C of the lower pillar 1X.
Similarly, the T-shaped steel 20 constituting the upper joining member 2Y has a gap S between the facing surface 1a of one column constituent member 1A constituting the upper column 1Y and the facing surface 1a of the other column constituent member 1B. A vertical plate 21 that is inserted through the opening of the gap S that opens in the upper end surface 1t of the upper pillar 1Y and functions as a fixing portion 2A that is fixed to the upper pillar 1Y via a fixing means, and a vertical plate 21 provided at the lower end of the vertical plate 21. The structure is provided with a horizontal plate 22 that functions as a joint portion 2B whose lower surface (plate surface) 2b extends in a direction orthogonal to the central axis 1C of the upper pillar 1Y.
Then, the lower joint member 2X is joined so that the upper surface 2a of the horizontal plate 22 which is the joint portion 2B of the lower joint member 2X and the lower surface 2b of the horizontal plate 22 which is the joint portion 2B of the upper joint member 2Y come into contact with each other. The lower column 1X and the upper column 1Y are joined by joining the portion 2B and the joining portion 2B of the upper joining member 2Y by the joining means.

As shown in FIG. 1, the fixing means for fixing the fixing portion 2A to the pillar 1 (lower pillar 1X, upper pillar 1Y) is, for example, one pillar constituent member 1A, the vertical plate 21 as the fixing portion 2A, and the other pillar. A through hole 40 for inserting a connecting shaft provided so as to be continuous with the component 1B, a connecting shaft 50 inserted into the through hole 40 for inserting the connecting shaft, and a through hole 40 for inserting the connecting shaft 50. It was composed of a nut 60 as a fixing member to be fixed to.

As shown in FIGS. 1 and 3, the through hole 40 for inserting the connecting shaft includes a through hole 40A formed in one column constituent member 1A, a through hole 40B formed in the other column constituent member 1B, and T. It is composed of a through hole 40C formed in the vertical plate 21 of the shaped steel 30.
That is, the through hole 40 for inserting the connecting shaft includes the vertical plate 21 of the T-shaped steel 20 and the one column constituent member 1A installed so that one plate surface 21a and the facing surface 1a of the vertical plate 21 are in contact with each other. , 40A, 40C, 40B formed so as to be continuous with the other pillar constituent member 1B installed so that the other plate surface 21b of the vertical plate 21 and the facing surface 1a are in contact with each other. ..
The connecting shaft insertion through hole 40 of the lower pillar 1X is formed on the upper end side of the lower pillar 1X, and the connecting shaft insertion through hole 40 of the upper pillar 1Y is formed on the lower end side of the upper pillar 1Y.

The hole diameter of the through hole 40 for inserting the connecting shaft is formed to be slightly larger than the shaft diameter corresponding to the shaft diameter of the connecting shaft 50 so that the connecting shaft 50 can be inserted.

As shown in FIG. 1, large diameter portions 41A and 41A formed on both end sides of the through hole 40 for inserting the connecting shaft to have a diameter slightly larger than the diameter of the nut 60 corresponding to the diameter of the nut 60. I have.
One large-diameter portion 41A is formed in a large-diameter hole that extends from one end opening of the connecting shaft insertion through hole 40 and opens on a side surface 1g facing the facing surface 1a of one column constituent member 1A.
Similarly, the other large-diameter portion 41A is formed in a large-diameter hole that extends from the other end opening of the connecting shaft insertion through hole 40 and opens on the side surface 1h facing the facing surface 1a of the other column constituent member 1B. To.

The connecting shaft 50 is formed to have a length longer than the length of the connecting shaft insertion through hole 40 and shorter than the left-right width dimension of the pillar 1, and penetrates the connecting shaft insertion through hole 40 to insert the connecting shaft. Both ends protruding from both ends of the through hole 40 to the large diameter portions 41A and 41A are formed in the threaded portions 51A and 51A to which the nut 60 is screwed.

That is, the vertical plate 21 of the T-shaped steel 20 is inserted between the facing surface 1a of one pillar constituent member 1A and the facing surface 1a of the other pillar constituent member 1B, and the through holes 40A, 40C, 40B are centered. After positioning the T-shaped steel 20 so that the shafts are aligned to form the connecting shaft insertion through hole 40, the connecting shaft 50 is inserted into the connecting shaft insertion through hole 40, and the connecting shaft insertion through hole 40 is formed. The nuts 60 and 60 are inserted into the large diameter portions 41A and 41A located on both end sides, respectively, and the nuts 60 are screwed to the threaded portions 51A at the ends of the connecting shaft 50 and fastened to form the fixed portion 2A. The functioning vertical plate 21 is fixed to the pillar 1.
As a result, as shown in FIG. 1, the joint portion 2B of the lower joint member 2X is provided so as to project upward from the upper end surface 1t of the lower pillar 1X, and the joint portion 2B of the upper joint member 2Y is upward. It is provided so as to project downward from the lower end surface 1u of the pillar 1Y.

The joining means for joining the joint portion 2B of the lower joint member 2X and the joint portion 2B of the upper joint member 2Y is, for example, on the lower surface of the joint portion 2B of the lower joint member 2X, as shown in FIGS. A splice plate (attachment plate) 61 installed so as to be attached, a splice plate (attachment plate) 62 installed so as to be attached to the upper surface of the joint portion 2B of the upper joining member 2Y, and a through hole formed in the splice plate 61. 63a, a through hole 63b formed in the joint portion 2B of the lower joint member 2X, a through hole 63c formed in the joint portion 2B of the upper joint member 2Y, and a through hole 63d formed in the splice plate 62. The hole 63, the connecting shaft 64 provided so as to penetrate the through hole 63, and the connecting shaft 64 are screwed and fastened to the screw portions formed on both ends of the connecting shaft 64 penetrating the through hole 63 to form the connecting shaft 64. It is composed of nuts 65 and 65 as fixing members to be fixed to the through hole.

That is, as shown in FIG. 1, a connection provided so as to penetrate the splice plate 61, the joint portion 2B of the lower joint member 2X, the joint portion 2B of the upper joint member 2Y, and the through hole 63 penetrating the splice plate 62. By screwing nuts 65 and 65 to the threaded portions formed on both upper and lower ends of the shaft 64 and fastening them, the upper surface 2a of the joint portion 2B of the lower joint member 2X and the joint portion 2B of the upper joint member 2Y are fastened. A joint portion 100 is formed in which the joint portion 2B of the lower joint member 2X and the joint portion 2B of the upper joint member 2Y are joined by a joining means so that the lower surface 2b of the lower joint member 2X is in contact with the lower joint portion 100. A pillar 200 having a structure in which 1X and an upper pillar 1Y are joined is formed.

According to the column joining structure according to the first embodiment, the lower joining member 2X is provided so as to project upward from the upper end surface 1t of the lower column 1X, and also protrudes below the lower end surface 1u of the upper column 1Y. The upper surface 2a of the joint portion 2B of the lower joint member 2X orthogonal to the central axis 1C of the lower pillar 1X and the upper pillar 1Y and the lower surface 2b of the joint portion 2B of the upper joint member 2Y come into contact with each other. Since the lower column 1X and the upper column 1Y are joined via the joint portion 100 having the structure joined in this way, the strength and rigidity of the joint portion 100 can be increased, and the column has a simple structure and is inexpensive. It has a joint structure.

Further, in the joint structure of Patent Document 1 described above, since a groove for fitting the joint plate must be formed on the lower end surface of the upper column and the upper end surface of the lower column, there is a problem that it takes time and effort to process the column. However, in the first embodiment, one pillar constituent member 1A and the other pillar constituent member 1B face each other with a distance from each other, and the opposite surface 1a of one pillar constituent member 1A and the opposite surface of the other pillar constituent member 1B. Since the pillar 1 (lower pillar 1X, upper pillar 1Y) configured to include the metal plate 3 provided between the pillar 1a and the pillar 1 is used, it is not necessary to form a groove as in Patent Document 1 on the end face of the pillar. Therefore, as compared with Patent Document 1, it is possible to obtain an effect that the labor required for processing the pillar can be reduced.

Embodiment 2
With reference to FIGS. 5 to 7, a column-beam joint structure of the column 200 joined by the column-joint structure described in the first embodiment and the wooden beam 10 will be described.

As shown in FIG. 5, the beam-column joining structure according to the second embodiment includes a beam joining portion 2C in which the joining portion 2B of the upper joining member 2Y in the joining portion 100 extends outward from the side surface 1g of the column 1. The column 200 and the beam 10 are joined by joining the beam joining portion 2C and the metal column joining portion 12 provided so as to extend outward from the end surface 11 of the beam 10 by a joining means. It has a beam-column joint structure.

The beam 10 is configured in the same manner as the column 1 described above.
That is, as shown in FIG. 6, the beam 10 has a cross section larger than the cross section of one beam constituent member by joining a plurality of wooden beam constituent members having a rectangular cross section orthogonal to the material axis direction. It is a formed beam, and one beam constituent member 10A and the other beam constituent member 10B arranged so that facing surfaces 10a and 10a along the material axis direction face each other at a predetermined interval and each other. A metal plate 3 provided between the facing surface 10a of one beam component 10A facing each other at a predetermined interval and the facing surface 10a of the other beam component 10B, and one plate surface of the metal plate 3. One beam component 10A in a state where the facing surface 10a of one beam component 10A is in contact with the other plate surface of the metal plate 3 and the facing surface 10a of the other beam component 10B is in contact with each other. It is configured to include a joining means for joining the metal plate 3 and the other beam component 10B.
The joining means is, for example, the same as the joining means for joining one column component 1A, the metal plate 3 and the other column component 1B described above, that is, one beam component 10A, the metal plate 3, and the other. A through hole for inserting a connecting shaft provided so as to be continuous with the beam component 10B, a plurality of connecting shafts inserted in the through hole for inserting the connecting shaft, and a connecting shaft fixed to the through hole for inserting the connecting shaft. It was composed of a nut as a fixing member.
Further, the beam constituent members 10A and 10B are long beam constituent members having a rectangular cross section orthogonal to the material axial direction (longitudinal direction), and are CLT or laminated wood like the above-mentioned column constituent members. Is formed by.

Further, the metal plate 3 is formed of a vertical plate 31 of T-shaped steel 30 having a T-shaped cross section and having a vertical plate 31 and a horizontal plate 32, similarly to the metal plate 3 described in the first embodiment.
That is, in the one T-shaped steel 30 installed on the upper surface side of the beam 10, one plate surface of the vertical plate 31 and the facing surface 10a of the one beam constituent member 10A come into contact with each other, and the other of the vertical plates 31. The upper surface of one beam component 10A and the other, in which the plate surface and the facing surface 10a of the other beam component 10B are in contact with each other and extend in the material axial direction at right angles to the facing surface 10a of the one beam component 10A. The upper surface of the other beam component 10B extending in the material axis direction orthogonal to the facing surface 10a of the beam component 10B and the plate surface (vertical plate 31 and lateral) on the vertical plate 31 side of the horizontal plate 32 of the T-shaped steel 30. It is installed in contact with the plate surface (the plate surface separated by the boundary portion with the plate 32).
Similarly, in the other T-shaped steel 30 installed on the lower surface side of the beam 10, one plate surface of the vertical plate 31 and the facing surface 10a of the one beam constituent member 10A come into contact with each other, and the vertical plate 31 The other beam constituent member 10A is in contact with the other plate surface of the other beam constituent member 10B and extends in the material axial direction at right angles to the opposing surface 10a of the one beam constituent member 10A. The lower surface of the other beam component 10B extending in the material axis direction orthogonal to the facing surface 10a of the lower surface and the other beam component 10B, and the plate surface (vertical plate) on the vertical plate 31 side of the horizontal plate 32 of the T-shaped steel 30. It is installed in a state where the plate surface (the plate surface separated by the boundary portion between the 31 and the horizontal plate 32) is in contact with each other.
Further, the lower end of the vertical plate 31 of the one T-shaped steel 30 installed on the upper surface side of the beam 10 and the upper end of the vertical plate 31 of the T-shaped steel 30 installed on the lower surface side of the beam 10 are separated by an interval T. It is configured to be separated.
Therefore, by using T-shaped steels 30 and 30 having a constant cross-sectional dimension and changing the interval T, it becomes possible to form a beam having various cross-sectional dimensions (beam diameter), and thus various cross-sectional dimensions (beam diameter). Beams of (dimensions) can be provided at low cost.

As shown in FIGS. 5 and 6, for example, the beam joint portion 2C is a plate extending from the joint portion 2B of the upper joint member 2Y, projecting outward from the side surface 1g of the column 1, and orthogonal to the central axis 1C of the column 1. It is formed by a flat plate having a surface. The beam joint portion 2C is formed, for example, by a portion in which the horizontal plate 22 of the T-shaped steel 20 forming the joint portion 2B is extended in the horizontal direction. Further, in other words, the extension length of one of the horizontal plate constituents extending in opposite directions from the lower end of the vertical plate 21 of the T-shaped steel 20 is the extension length of the other horizontal plate constituent. The portion on the extension end side of the one horizontal plate constituent portion, which is formed longer than the steel and projects outward from the side surface 1 g of the column 1, is designated as the beam joint portion 2C.

The column joint portion 12 is formed by, for example, a horizontal plate 32 of T-shaped steel 30 that is attached to the upper end side of the beam 10 on the end surface 11 side and projects outward from the end surface 11 of the beam 10.

As shown in FIG. 6, for example, the joining means for joining the beam joining portion 2C and the column joining portion 12 is a splice plate (attachment plate) 13 installed on the upper surface of the beam joining portion 2C and a lower surface of the column joining portion 12. A through hole for inserting a connecting shaft formed by communicating the splice plate (attachment plate) 14 installed in the splice plate 13 and each through hole formed in the splice plate 13, the beam joint 2C, the column joint 12, and the splice plate 14. It is screwed into the holes 15, the connecting shaft 16 provided so as to penetrate the connecting shaft insertion through hole 15, and the screw portions formed on both ends of the connecting shaft 16 penetrating the connecting shaft insertion through hole 15. It is composed of nuts 17 and 17 as fixing members for fixing the connecting shaft 16 to the connecting shaft insertion through hole 15 by being fastened together.

Then, as shown in FIG. 5, the lower surface 2Ct of the beam joint 2C formed so as to extend outward from the side surface 1g of the column 1 and the upper surface 12t of the column joint 12 are brought into contact with each other, and the beam joint 2C is brought into contact with each other. The splice plate 13 is installed on the upper surface of the column, and the splice plate 14 is installed on the lower surface of the column joint 12. Then, the through holes formed in the splice plate 13, the beam joint 2C, the column joint 12, and the splice plate 14 are matched to form the connection shaft insertion through hole 15, and the connection shaft insertion through hole 15 is penetrated. By fastening the nuts 17 and 17 to the upper and lower ends of the connecting shaft 16 provided so as to be provided, a beam-column joining structure in which the beam joining portion 2C and the column joining portion 12 are joined by a joining means is constructed. ..

According to the beam-column joining structure according to the second embodiment, the column 200 and the beam 10 are joined via a beam-column joining portion 150 formed by joining the beam joining portion 2C and the column joining portion 12 by a joining means. Therefore, the strength and rigidity of the beam-column joint portion 150 can be increased, and a simple and inexpensive beam-column joint structure can be provided.

In addition, the joint portion 2B of the lower joint member 2X in the joint portion 100 is configured to include a beam joint portion extending outward from the side surface 1 g of the column 1, and a column joint portion is formed in the beam joint portion. A groove (slit) is formed in which the vertical plate 31 of the T-shaped steel 30 protruding outward from the end surface 11 of the beam 10 is inserted, and the lower surface of the horizontal plate 32 on the vertical plate 31 side and the upper surface of the beam joint are formed. The beam-column joint structure may be formed in which the beam-joint portion and the column-joint portion are joined by a joining means in a state of being in contact with each other.

Further, as shown in FIG. 7A, the beam 10 may be joined to each of the four side surfaces of the column 200 via the column-beam joining portion 150.
Further, as shown in FIG. 7B, the beam 10 may be joined to each of the three side surfaces of the column 200 via the column-beam joining portion 150.
Further, as shown in FIG. 7C, the beam 10 may be joined to the two side surfaces of the column 200 facing each other via the column-beam joint portion 150, respectively.
Further, as shown in FIG. 7D, the beam 10 may be joined to the two adjacent side surfaces of the column 200 via the column-beam joint portion 150, respectively.

A fixing means for fixing the fixing portion 2A to the pillar 1 (lower pillar 1X, upper pillar 1Y), a joining means for joining one pillar constituent member 1A, the metal plate 3 and the other pillar constituent member 1B, and one beam. The joining means for joining the constituent member 10A, the metal plate 3 and the other beam constituent member 10B is a means using an adhesive in addition to the above-described configuration, or a connecting shaft as a connecting shaft in the above-mentioned connecting shaft insertion through hole. A means for fitting the drift pin may be adopted.
Further, the number of these joining means and fixing means may be determined according to the size of the member and the like.

Further, as shown in FIG. 6, the T-shaped steels 30 and 30 provided on one outer surface side and the other outer surface side of the column 1 and the beam 10 facing each other are in the axial direction of the column 1 and the beam 10. It may be a configuration which is provided intermittently along the above, or may be a configuration which is continuously provided along the material axis direction of the column 1 or the beam 10.

Further, in each embodiment, as the T-shaped steel 30, the height dimension of the vertical plate 31 is shorter than 1/2 of the front-rear width (or left-right width) dimension of the column 1, or the height dimension of the beam 10. An example is shown in which a size shorter than 1/2 of the above is used, but the height dimension of the vertical plate 31 is slightly shorter than the front-rear width (or left-right width) dimension of the column 1, or the height of the beam 10. T-shaped steel having a size slightly shorter than the beam size may be used.

Further, as the metal plate 3, flat steel (flat bar) may be used instead of the T-shaped steel 30.
Further, the splice plate described above is preferably used, but may not be used.

Further, in each embodiment, an example in which columns and beams using column components and beam components formed of CLT or laminated wood are used has been shown, but columns and beams formed of solid wood may also be used. Good.

1 pillar, 1X lower pillar, 1Y upper pillar, 1g pillar side surface, 1t lower pillar upper end surface,
1u Lower end surface of upper column, 2A fixed part, 2B joint part, 2C beam joint part,
2X lower joint member, 2Y upper joint member, 2a upper surface of lower joint member,
2b Lower surface of upper joint member, 3 metal plate, 10 beams, 11 beam end faces, 12 column joints,
20, 30 T-shaped steel, 21 T-shaped steel vertical plate (fixed part), 31 T-shaped steel vertical plate (metal plate), 22 T-shaped steel horizontal plate (joint), 32 T-shaped steel horizontal plate , 63 (for inserting connecting shaft) through hole,
64 connecting shaft, 65 nut (fixing member).

Claims (9)

A metal lower joint member provided so as to protrude above the upper end surface of the wooden lower pillar arranged on the lower side, and a lower protrusion below the lower end surface of the wooden upper pillar arranged on the upper side. With a metal upper joining member provided to
In a column joining structure in which the upper column and the lower column are joined by joining the lower joining member and the upper joining member.
The lower joint member includes a fixing portion fixed to the upper side of the lower pillar by a fixing means, and a joint portion provided at the upper end of the fixing portion and whose upper surface extends in a direction orthogonal to the central axis of the lower pillar.
The upper joint member includes a fixing portion fixed to the lower side of the upper pillar by a fixing means, and a joint portion provided at the lower end of the fixing portion and whose lower surface extends in a direction orthogonal to the central axis of the upper pillar.
The feature is that the joint portion of the lower joint member and the joint portion of the upper joint member are joined by the joining means in a state where the upper surface of the joint portion of the lower joint member and the lower surface of the joint portion of the upper joint member are in contact with each other. Pillar joint structure. The lower joining member and the upper joining member are made of T-shaped steel.
The column joint structure according to claim 1, wherein the horizontal plate of the T-shaped steel functions as a joint portion and the vertical plate of the T-shaped steel functions as a fixing portion. The joining means is
A through hole for inserting a connecting shaft formed so as to penetrate the joint portion of the lower joint member and the joint portion of the upper joint member,
The connecting shaft inserted into the through hole for inserting the connecting shaft and
The column joint structure according to claim 1 or 2, wherein the connecting shaft is provided with a fixing member fixed to the through hole for inserting the connecting shaft. The lower and upper pillars
A pillar formed by joining a plurality of wooden pillar constituent members having a rectangular cross section orthogonal to the material axis direction to have a cross section larger than the cross section of one pillar constituent member.
One pillar constituent member and the other pillar constituent member arranged so that facing surfaces along the material axis direction face each other at a predetermined interval.
A metal plate provided between the facing surface of one column constituent member and the facing surface of the other pillar constituent member facing each other at a predetermined interval,
One pillar in a state where one plate surface of the metal plate and the facing surface of one pillar constituent member are in contact with each other and the other plate surface of the metal plate and the facing surface of the other pillar constituent member are in contact with each other. It is configured to include a joining means for joining the constituent member, the metal plate, and the other pillar constituent member.
The fixing portion of the upper joining member is inserted between the facing surface of one column constituent member and the facing surface of the other column constituent member that opens to the lower end surface of the upper column and is fixed by the fixing means.
The feature is that the fixing portion of the lower joining member is inserted between the facing surface of one column constituent member and the facing surface of the other column constituent member that opens to the upper end surface of the lower column and is fixed by the fixing means. The column joint structure according to any one of claims 1 to 3. The fixing means is
A through hole for inserting a connecting shaft provided so as to be continuous over one column component, a fixing portion, and the other column component.
The connecting shaft inserted into the through hole for inserting the connecting shaft and
The column joint structure according to claim 4, further comprising a fixing member in which the connecting shaft is fixed to the through hole for inserting the connecting shaft. The joining means for joining one column component, the metal plate, and the other column component is
A through hole for inserting a connecting shaft provided so as to be continuous over one column component, a metal plate, and the other column component.
The connecting shaft inserted into the through hole for inserting the connecting shaft and
The column joint structure according to claim 4 or 5, further comprising a fixing member in which the connecting shaft is fixed to the through hole for inserting the connecting shaft. The metal plate is formed by a vertical plate of T-shaped steel.
In the T-shaped steel, the facing surface of one column component, the facing surface of the other column component, and the plate surface of the vertical plate are in contact with each other, and the material axis direction is orthogonal to the facing surface of one column component. The outer surface of one column component extending in the direction of the material and the outer surface of the other column component extending in the direction of the material axis perpendicular to the facing surface of the other column component and the plate surface on the vertical plate side of the horizontal plate came into contact with each other. The column joint structure according to any one of claims 4 to 6, wherein the column joint structure is installed in a state. A column-beam joint structure in which a column joined by the column-joint structure according to any one of claims 1 to 7 and a wooden beam.
A beam joint in which the joint of the upper joint member or the joint of the lower joint member extends outward from the side surface of the column.
A column characterized in that the column and the beam are joined by joining the beam joint and a metal column joint provided so as to extend outward from the end face of the beam by a joining means. Beam joint structure. The beam is
A beam formed by joining a plurality of wooden beam constituent members having a rectangular cross section orthogonal to the material axis direction to have a cross section larger than the cross section of one beam constituent member.
One beam constituent member and the other beam constituent member arranged so that facing surfaces along the material axis direction face each other at a predetermined interval.
A metal plate provided between the facing surface of one beam component and the facing surface of the other beam component facing each other at a predetermined interval,
One beam in a state where one plate surface of the metal plate and the facing surface of one beam component are in contact with each other and the other plate surface of the metal plate and the facing surface of the other beam component are in contact with each other. It is configured to include a joining means for joining the constituent member, the metal plate, and the other beam constituent member.
The metal plate is formed by a vertical plate of T-shaped steel.
In the T-shaped steel, the facing surface of one column component, the facing surface of the other column component, and the plate surface of the vertical plate are in contact with each other, and the material axis direction is orthogonal to the facing surface of one column component. The outer surface of one column component extending in the direction of the material and the outer surface of the other column component extending in the direction of the material axis orthogonal to the facing surface of the other column component and the plate surface on the vertical plate side of the horizontal plate came into contact with each other. Installed in the state,
The column-beam joint structure according to claim 8, wherein the column-beam joint is formed of a horizontal plate of T-shaped steel provided so as to extend outward from the end face of the beam.

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