JP7392251B2 - Column beam joint structure - Google Patents

Description

The present invention relates to a column-beam joint structure.

Patent Document 1 and Patent Document 2 disclose techniques related to a column-beam joint structure in which a wooden column member and a wooden beam member are joined. Further, Patent Document 3 discloses a technique related to a shigou that prevents a wooden frame construction method building from collapsing due to earthquake shaking.

These prior art techniques disclose the use of a steel member for a joint portion in joining a wooden column and a wooden beam.

Patent No. 6338093 JP 2017-133277 Publication Patent No. 4362852

The techniques disclosed in Patent Documents 1 to 3 do not take into consideration the suppression of stress acting on the end of a beam during short-term stress such as during an earthquake. Therefore, the beam must have a cross-sectional area necessary to resist the stress acting on the end of the beam during short-term stress. Therefore, if the stress acting on the end of the beam during short-term stress is large, the cross-sectional area of the beam must also be increased.

In view of the above facts, the present invention aims to provide a beam-column joint structure that can reduce the cross-sectional area of the beam.

In the first aspect, there is provided a column-side joint member made of steel provided at a joint part of a column, a beam-side joint member made of steel provided at an end of the beam in the direction of the material axis, and the beam-side joint member. A column-beam joint structure comprising: a joining means for joining the upper end portion to the column-side joint member; and a transmission means for transmitting vertically downward shear force acting on the beam-side joint member to the column-side joint member. be.

In the column-beam joint structure of the first aspect, the long-term stress tensile force acting on the beam is transmitted to the column-side joint member by the joining means that joins the upper end of the beam-side joint member to the column-side joint member. Further, the vertically downward shearing force of long-term stress acting on the beam is transmitted to the column-side joint member by the transmission means. These transfer long-term stresses acting on the beam to the columns.

On the other hand, since only the upper end of the beam-side joint member is joined to the column-side joint member by the joining means, the transmission of short-term stress such as during an earthquake from the beam-side joint member to the column-side joint member is reduced. Therefore, the stress acting on the end of the beam during short-term stress is reduced, so the cross-sectional area of the beam can be reduced.

In a second aspect, the beam-side joining member includes an upper beam-side plate disposed above the upper surface of the beam, a lower beam-side plate disposed below the lower surface of the beam, and the upper beam-side plate. The beam-column joint structure according to the first aspect includes a beam-side vertical plate extending along the material axis direction that connects the beam-side lower plate.

In the column-beam joint structure of the second aspect, rotational stress is transmitted from the beam end to the beam-side joint member by bearing pressure of the beam-side upper plate and beam-side lower plate of the steel beam-side joint member. Therefore, the rigidity of the end portion of the beam provided with the steel beam-side joining member is improved, so that the cross-sectional area of the beam can be reduced.

A third aspect is the column-beam joint structure according to the first aspect or the second aspect, wherein the transmission means is a protrusion that protrudes from a lower part of the column-side joint member and supports a lower end of the beam-side joint member. It is.

In the column-beam joint structure of the third aspect, the vertically downward shear force of long-term stress acting on the beam is absorbed by the protrusion that protrudes from the lower part of the column-side joint member and supports the lower end of the beam-side joint member. transmitted to the member.

In a fourth aspect, the beam side joining member has a beam side vertical plate along the material axis direction, the column side joining member has a column side vertical plate corresponding to the beam side vertical plate, and the The transmission means is the column-beam joint structure according to the first aspect or the second aspect, which is a plate and a bolt that are fastened to the beam-side vertical plate and the column-side vertical plate in an overlapping manner.

In the column-beam joint structure of the fourth aspect, by stacking the plates on the beam-side vertical plate of the beam-side joint member and the column-side vertical plate of the column-side joint member and fastening them with bolts, the long-term stress acting on the beam can be applied in the vertical direction. A downward shearing force is transmitted to the column-side joint member.

According to the present invention, the cross-sectional area of the beam can be reduced.

FIG. 2 is an exploded perspective view of the column-beam joint structure of the first embodiment. FIG. 2 is a perspective view of the column-beam joint structure of the first embodiment. (A) is a front view showing the beam formation of the beams joined by the column-beam joint structure of the comparative example, and (B) is a front view showing the beam formation of the beams joined by the column-beam joint structure of the first embodiment. It is. It is an exploded perspective view of the column-beam joint structure of a second embodiment. It is a perspective view of the column-beam joint structure of a second embodiment. It is a perspective view of the column-beam joint structure of a third embodiment.

<First embodiment>
The column-beam joint structure of the first embodiment will be described. Note that two orthogonal directions in the horizontal direction are referred to as the X direction and the Y direction, which are indicated by arrows X and Y, respectively. Further, the vertical direction perpendicular to the X direction and the Y direction is defined as the Z direction, and is indicated by an arrow Z.

[composition]
First, the configuration of the column-beam joint structure of this embodiment will be explained. Note that the view from the Y direction is defined as a front view.

As shown in FIGS. 1 and 2, the column-beam joint structure 100 of this embodiment is applied to join a wooden column 10 and a wooden beam 20. The column-beam joint structure 100 includes a column-side joint member 110 made of steel and a beam-side joint member 150 made of steel. Note that the wooden pillar 10 and the wooden beam 20 may be made of wood, and for example, solid wood, laminated veneer wood, laminated wood, or the like can be used. Further, the wooden pillar 10 and the wooden beam 20 may be made of fire-resistant wood such as Moenwood (registered trademark) or flame-retardant wood.

As shown in FIG. 2, the column-side joint member 110 is provided at the joint portion 19 (see FIG. 2) of the wooden column 10. Note that the upper side of the joint portion 19 in the pillar 10 is referred to as an upper pillar 12, and the lower side of the joint portion 19 and the joint portion 19 is referred to as a lower side pillar 14. Further, the material axis direction of the beam 20 is the X direction, and the beam width direction is the Y direction.

As shown in FIG. 1, the column side joining member 110 includes a main body 120 having an H-shaped horizontal cross section, a horizontal plate 130 provided on the upper part of the main body 120, and a horizontal plate 130 provided on the horizontal plate 130. It has a cross-shaped portion 140. A pin hole 32 into which a drift pin 30 is inserted is formed in the plate portion 142 of the cross-shaped portion 140 and the web portion 122 of the main body portion 120 along the Y direction.

A bolt hole 42 into which a bolt 40 as an example of a joining means is inserted is formed in the upper end portion 124A of the flange portion 124 of the main body portion 120 of the column-side joining member 110 on the side to which the beam 20 is joined. Further, a protrusion 112 as an example of a transmission means is provided at the lower end 124B of the flange portion 124. The protrusions 112 of this embodiment have a triangular shape, and are provided in plurality (three in this embodiment) at intervals in the Y direction. Note that the shape of the protrusion 112 is not limited to a triangular shape.

The lower end portion 12A of the upper column 12 constituting the column 10 has a cross-shaped notch 13 into which the cross-shaped portion 140 of the column-side joint member 110 is inserted, and a pin hole 34 into which the drift pin 30 is inserted. It is formed. Then, by inserting the cross-shaped part 140 of the column side joining member 110 into the notch 13 of the lower end 12A of the upper column 12 and inserting the drift pin 30 into the pin holes 32 and 34, the lower end 12A of the upper column 12 is inserted. It is joined to the column side joining member 110 (see also FIG. 2).

Further, in the upper end portion 14A of the lower column 14 constituting the column 10, a notch 15 into which the web portion 122 of the column-side joining member 110 is inserted and a pin hole 34 into which the drift pin 30 is inserted are formed. Then, by inserting the web portion 122 of the column side joining member 110 into the notch 15 of the upper end portion 14A of the lower column 14 and inserting the drift pin 30 into the pin holes 32 and 34, the upper end portion 14A of the lower column 14 is inserted. is joined to the column side joining member 110 (see also FIG. 2).

As shown in FIG. 2, the beam-side joining member 150 is provided at the shaft end 20A of the beam 20 in the X direction, which is the material axis direction.

As shown in FIG. 1, the beam-side joining member 150 includes a main body portion 160 whose vertical cross section perpendicular to the material axis direction is H-shaped, and an end plate 170. The main body portion 160 includes an upper beam-side plate 162, a lower beam-side plate 164, and a beam-side vertical plate 166 that connects the two.

The end plate 170 is provided at the end of the main body 160 and extends above the beam-side upper plate 162. A reinforcing rib portion 152 is joined to an upper end portion 170A of the end plate 170 that extends above the beam-side upper plate 162 and to the beam-side upper plate 162. Further, a bolt hole 44 into which a bolt 40 is inserted is formed in the upper end portion 170A of the end plate 170.

A pin hole 33 into which a drift pin 31 is inserted is formed in the beam-side vertical plate 166 of the main body portion 160 of the beam-side joint member 150 . Note that, although the pin holes 33 in this embodiment are formed in a circular shape at intervals, the pin holes 33 are not limited to this.

Further, the shaft end 20A of the beam 20 is formed with a notch 21 into which the beam-side vertical plate 166 of the beam-side joining member 150 is inserted and a pin hole 35 into which the drift pin 31 is inserted. Then, by inserting the beam-side vertical plate 166 of the beam-side joining member 150 into the notch 21 of the shaft end 20A of the beam 20 and inserting the drift pin 31 into the pin holes 33 and 35, the shaft end 20A of the beam 20 is inserted. is joined to the beam-side joining member 150 (see also FIG. 2). Further, a beam-side upper plate 162 is arranged above the upper surface 22 of the beam 20, and a beam-side lower plate 164 is arranged below the lower surface 24 of the beam 20 (see also FIG. 2).

As shown in FIGS. 1 and 2, the flange portion 124 of the column-side joint member 110 and the end plate 170 of the beam-side joint member 150 are overlapped, so that the upper end portion 124A of the flange portion 124 of the column-side joint member 110 The bolts 40 are inserted into the bolt holes 42 (see FIG. 1) and the bolt holes 44 (see FIG. 1) in the upper end portion 170A of the end plate 170 of the beam side joining member 150, and both are bolted together. Note that nuts, not shown, are also used for bolt fastening. Moreover, this also applies hereafter.

Further, the lower end 170B of the end plate 170 of the beam-side joint member 150 is supported by the protrusion 112 provided at the lower end 124B of the flange portion 124 of the column-side joint member 110.

[Action and effect]
Next, the functions and effects of this embodiment will be explained.

In the column-beam joint structure 100 of this embodiment, the tensile force of long-term stress acting on the beam 20 is applied to the steel column side bolted from the upper end 170A of the end plate 170 of the steel beam-side joint member 150. The signal is transmitted to the upper end portion 124A of the flange portion 124 of the joining member 110. Further, the vertically downward shearing force of the long-term stress acting on the beam 20 is transmitted from the lower end 170B of the end plate 170 of the beam side connecting member 150 to the flange portion 124 of the column side connecting member 110 that supports this lower end 170B. is transmitted to the protruding portion 112 of the lower end portion 124B. The long-term stress acting on the beam 20 is transmitted to the column 10 by these.

On the other hand, in the beam-side joint member 150, only the upper end 170A of the end plate 170 is bolted to the column-side joint member 110. transmission becomes smaller. To explain from another point of view, by joining only the upper end of the steel beam-side joint member 150 to the steel column-side joint member 110, a semi-rigid joint is created, and the beam-side joint member 150 is subject to short-term stress such as during an earthquake. The transmission from this to the column-side joint member 110 becomes smaller. Therefore, the stress acting on the shaft end 20A of the beam 20 during short-term stress is reduced, so the cross-sectional areas of the beam 20 and the column 10 can be reduced.

In addition to the drift pin 31, rotational stress is transmitted from the shaft end 20A to the beam side joint member 150 due to the bearing pressure of the beam side upper plate 162 and the beam side lower plate 164 of the steel beam side joint member 150. Therefore, part of the rotational stress is borne by the beam-side joining member 150. Therefore, the rigidity of the shaft end portion 20A of the beam 20 provided with the beam-side joining member 150 is improved, so that the cross-sectional area of the beam 20 can be reduced.

Here, FIG. 3A shows a column-beam joint structure 90 of a comparative example to which the present invention is not applied, in which a wooden beam 20 is joined to a wooden column 10. In the column-beam joint structure 90 of the comparative example, a steel plate-shaped vertical member 92 is buried across the shaft end 29A of the beam 29 and the joint part 19 of the column 10, and the drift pins 30 and 31 are installed respectively. Inserted and joined.

The column-beam joint structure 90 of the comparative example does not consider suppressing the stress acting on the end of the beam during short-term stress such as during an earthquake. It is necessary to ensure a cross-sectional area necessary to resist the stress acting on the portion 29A. Therefore, if the stress acting on the shaft end 29A of the beam 29 during short-term stress is large, it is necessary to increase the cross-sectional area of the beam 29. Further, depending on the case, it is necessary to increase the cross-sectional area of the pillar 10.

On the other hand, as described above, in the column-beam joint structure 100 of the present embodiment shown in FIG. Since they are bolted together, the transmission of short-term stress such as during an earthquake from the beam-side joint member 150 to the column-side joint member 110 is reduced. Therefore, the stress acting on the shaft end 20A of the beam 20 during short-term stress is reduced, so the cross-sectional areas of the beam 20 and the column 10 can be reduced.

Therefore, as shown in FIGS. 3(A) and 3(B), if the beam width of the beam 29 of the comparative example and the beam 20 of this embodiment is the same, the beam thickness L1 of the beam 29 of the comparative example The beam length L2 of the beam 20 of this embodiment can be made smaller. Further, although not shown, the cross-sectional area of the pillar 10 can also be reduced.

<Second embodiment>
The column-beam joint structure of the second embodiment will be described. Note that the same members as in the first embodiment are given the same reference numerals, and overlapping inventions will be omitted or simplified.

[composition]
First, the configuration of the column-beam joint structure of this embodiment will be explained.

As shown in FIGS. 4 and 5, the column-beam joint structure 200 of this embodiment is applied to join a wooden column 10 and a wooden beam 20. The column-beam joint structure 200 includes a column-side joint member 210 made of steel and a beam-side joint member 250 made of steel. As shown in FIG. 5, the column-side joining member 210 is provided at the joint portion 19 (see FIG. 5) of the wooden column 10.

As shown in FIG. 4, the column side joining member 210 has a main body part 220 having an H-shaped horizontal cross section, a horizontal plate part 230 provided on the upper part of the main body part 220, and a beam 20 of the main body part 220. The connecting portion 240 has an H-shaped horizontal cross section, and a cross-shaped portion 140 is provided on the horizontal plate portion 230. A pin hole 32 into which the drift pin 30 is inserted is formed in the plate portion 142 of the cross-shaped portion 140 and the web portion 222 of the main body portion 220 along the Y direction.

The horizontal plate portion 230 of the column-side joining member 210 extends to the side to which the beam 20 is joined, and the extending portion constitutes the above-mentioned column-side upper plate 242. The joint portion 240 is composed of a column-side upper plate 242, a column-side lower plate 244, and a column-side vertical plate 246 that connects the two. A bolt hole 52 into which a bolt 50, which is an example of a joining means, is inserted is formed in the column-side upper plate 242 constituting the joint portion 240. Further, the column side vertical plate 246 is formed with a bolt hole 62 into which a bolt 60 as an example of a transmission means is inserted.

A cross-shaped notch 13 into which the cross-shaped portion 140 of the pillar-side joint member 210 is inserted and a pin hole 34 into which the drift pin 30 is inserted are formed in the lower end portion 12A of the upper pillar 12 constituting the pillar 10. . Then, by inserting the cross-shaped portion 140 of the column side joining member 210 into the notch 13 of the lower end portion 12A of the upper column 12 and inserting the drift pin 30 into the pin holes 32 and 34, the lower end portion 12A of the upper column 12 is inserted. is joined to the column side joining member 210 (see also FIG. 4).

Further, in the upper end portion 14A of the lower column 14 constituting the column 10, a notch 15 into which the web portion 222 of the column-side joining member 210 is inserted and a pin hole 34 into which the drift pin 30 is inserted are formed. Then, by inserting the web portion 222 of the column side joining member 210 into the notch 15 of the upper end 14A of the lower column 14 and inserting the drift pin 30 into the pin holes 32 and 34, the upper end 14A of the lower column 14 is inserted. is joined to the column-side joining member 210 (see also FIG. 5).

As shown in FIG. 5, the beam-side joining member 250 is provided at the shaft end 20A of the beam 20.

As shown in FIG. 4, the beam-side joining member 250 includes a main body portion 260 with an H-shaped cross section perpendicular to the material axis direction, and a reinforcing plate 270. The main body portion 260 includes an upper beam-side plate 262, a lower beam-side plate 264, and a beam-side vertical plate 266 that connects the two. The reinforcing plate 270 is joined to a beam-side upper plate 262, a beam-side lower plate 264, and a beam-side vertical plate 266. Although only the reinforcing plate 270 on one side in the Y direction is illustrated in FIGS. 4 and 5, the reinforcing plate 270 is similarly joined to the opposite side in the Y direction.

A bolt hole 54 into which a bolt 50 is inserted is formed in an end portion 262A of the beam-side upper plate 262 that is closer to the end portion than the reinforcing plate 270. Further, a bolt hole 64 into which a bolt 60 is inserted is formed in an end portion 266A of the beam-side vertical plate 266 that is closer to the end portion than the reinforcing plate 270.

A pin hole 33 into which a drift pin 31 is inserted is formed in the beam-side vertical plate 266 of the main body portion 260 of the beam-side joint member 250 . The pin holes 33 of this embodiment are formed in a circular shape at intervals.

Further, the shaft end 20A of the beam 20 is formed with a notch 21 into which the beam-side vertical plate 266 of the beam-side joining member 250 is inserted and a pin hole 35 into which the drift pin 31 is inserted. Then, by inserting the beam-side vertical plate 266 of the beam-side joining member 250 into the notch 21 of the shaft end 20A of the beam 20 and inserting the drift pin 31 into the pin holes 33 and 35, the shaft end 20A of the beam 20 is inserted. is joined to the beam-side joining member 250 (see also FIG. 5). Further, a beam-side upper plate 262 is arranged above the upper surface 22 of the beam 20, and a beam-side lower plate 264 is arranged below the lower surface 24 of the beam 20 (see also FIG. 5).

As shown in FIGS. 4 and 5, bolt holes 281 and 283 are formed above and below the end portion 262A of the column side upper plate 242 of the column side connecting member 210 and the beam side upper plate 262 of the beam side connecting member 250. Splice plates 280 and 282, which are an example of a joining means, are placed one on top of the other, and bolts 50 are inserted into bolt holes 52, 54, 281, and 283 (see FIG. 4), and the splice plates are fastened together.

Further, a splice plate 290 as an example of a transmission means has bolt holes 292 formed on both sides of the end portion 266A of the column side vertical plate 246 of the column side joint member 210 and the beam side vertical plate 266 of the beam side joint member 250. They are placed one on top of the other, and bolts 60 are inserted into the bolt holes 62, 64, and 292 (see FIG. 4), and the bolts are fastened together.

Note that the column-side lower plate 244 of the column-side joint member 210 and the end portion 264A of the beam-side lower plate 264 of the beam-side joint member 250 are not bolted together.

[Action and effect]
Next, the functions and effects of this embodiment will be explained.

In the column-beam joint structure 200 of this embodiment, the long-term stress tensile force acting on the beam 20 is transmitted from the splice plate 280 bolted to the end 262A of the beam-side upper plate 262 of the beam-side joint member 250 made of steel. 282 to the column side upper plate 242 of the column side joint member 210 made of steel. Further, the vertically downward shearing force of the long-term stress acting on the beam 20 is transmitted to the steel column side through the splice plate 290 bolted from the end 266A of the beam side vertical plate 266 of the beam side joint member 250. The signal is transmitted to the column-side vertical plate 246 of the joining member 210.

On the other hand, in the beam-side joint member 250, only the end portion 262A of the beam-side upper plate 262 is bolted to the column-side joint member 210, and the beam-side lower plate 264 is not bolted to the column-side joint member 210. Therefore, the transmission of short-term stress such as during an earthquake from the beam-side joint member 250 to the column-side joint member 210 is reduced. To explain from another point of view, by joining only the upper end of the steel beam-side joint member 250 to the steel column-side joint member 210, a semi-rigid joint is created, and the beam-side joint member 250 is subject to short-term stress such as during an earthquake. The transmission from this to the column-side joint member 210 becomes smaller. Therefore, the stress acting on the shaft end 20A of the beam 20 during short-term stress is reduced, so the cross-sectional areas of the beam 20 and the column 10 can be reduced.

In addition to the drift pin 31, rotational stress is transmitted from the shaft end 20A to the beam side joint member 250 due to the bearing pressure of the beam side upper plate 262 and the beam side lower plate 264 of the steel beam side joint member 250. Therefore, part of the rotational stress is borne by the beam-side joining member 250. Therefore, the rigidity of the shaft end portion 20A of the beam 20 provided with the beam-side joining member 250 is improved, so that the cross-sectional area of the beam 20 can be reduced.

<Third embodiment>
The column-beam joint structure of the third embodiment will be described. Note that the same members as in the first embodiment and the second embodiment are given the same reference numerals, and overlapping inventions will be omitted or simplified.

[composition]
First, the configuration of the column-beam joint structure of this embodiment will be explained. Note that the wooden pillars 10 and the wooden beams 20 are illustrated with imaginary lines (two-dot chain lines).

As shown in FIG. 6, a column-beam joint structure 300 of this embodiment is applied to join a wooden column 10 and a wooden beam 20. The column-beam joint structure 300 includes a column-side joint member 310 made of steel and a beam-side joint member 350 made of steel. The column side joint member 310 is provided at the joint portion 19 of the wooden column 10.

The column-side joining member 310 includes a steel pipe section 320 having upper and lower openings 312 and 313, and a protruding section 112 provided at the lower end 324B of the side surface section 324 of the steel pipe section 320 on the side to which the beam 20 is joined. have. Further, a bolt hole (not shown) into which a bolt 40 is inserted is formed in the upper end portion 324A of the side surface portion 324 of the steel pipe portion 320 on the side to which the beam 20 is joined.

Then, the lower end 12A of the upper column 12 (see also FIGS. 1 and 4) and the upper end 14A of the lower column 14 (see also FIGS. 1 and 4) constituting the column 10 are connected to the steel pipe of the column side joint member 310. 320, and the gap between the inner wall of the steel pipe section 320 is filled with a filler (not shown) and joined. Note that a drift pin may be used to join the two.

The beam side joining member 350 is provided at the shaft end portion 20A of the beam 20. The beam-side joining member 350 includes a steel pipe section 360 in which an opening 361 is formed on one side in the material axis direction, and an end plate 170. Note that the end plate 170 has a structure similar to that of the first embodiment, so a description thereof will be omitted.

The steel pipe section 360 includes an upper beam-side plate 362, a lower beam-side plate 364, and beam-side vertical plates 366A and 366B that connect the widthwise ends of both plates.

Then, the shaft end 20A (see FIGS. 1 and 4) of the beam 20 is inserted into the steel pipe section 360 of the beam side joining member 350, and the gap between the steel pipe section 360 and the inner wall is filled with a filler (not shown). are joined together. Note that a drift pin may be used to join the two.

The side surface portion 324 of the column-side joint member 310 and the end plate 170 of the beam-side joint member 350 are overlapped and bolted together.

Further, the lower end portion 170B of the end plate 170 of the beam-side joint member 350 is supported by the protruding portion 112 of the column-side joint member 310.

[Action and effect]
Next, the functions and effects of this embodiment will be explained.

In the column-beam joint structure 300 of this embodiment, the tensile force of long-term stress acting on the beam 20 is applied to the steel column side bolted from the upper end 170A of the end plate 170 of the steel beam-side joint member 350. The signal is transmitted to the upper end portion 324A of the side surface portion 324 of the joining member 310. Further, the vertically downward shearing force of the long-term stress acting on the beam 20 is applied from the lower end 170B of the end plate 170 of the beam-side joint member 350 to the side surface 324 of the column-side joint member 310 that supports this lower end 170B. The signal is transmitted to the protruding portion 112 of the lower end portion 324B. The long-term stress acting on the beam 20 is transmitted to the column 10 by these.

On the other hand, in the beam-side joint member 350, only the upper end 170A of the end plate 170 is bolted to the column-side joint member 310, so that the beam-side joint member 350, which is subject to short-term stress such as during an earthquake, is connected to the column-side joint member 310. transmission becomes smaller. To explain from another point of view, by joining only the upper end of the steel beam-side joint member 350 to the steel column-side joint member 310, a semi-rigid joint is created, and the beam-side joint member 350 is subject to short-term stress such as during an earthquake. The transmission from this to the column-side joint member 310 becomes smaller. Therefore, the stress acting on the shaft end 20A of the beam 20 during short-term stress is reduced, so the cross-sectional areas of the beam 20 and the column 10 can be reduced.

In addition to the drift pin 31, rotational stress is transmitted from the shaft end 20A to the beam-side joint member 350 due to the bearing pressure of the beam-side upper plate 362 and beam-side lower plate 364 of the steel beam-side joint member 350. Therefore, part of the rotational stress is borne by the beam-side joining member 350. Therefore, the rigidity of the shaft end portion 20A of the beam 20 provided with the beam-side joining member 350 is improved, so that the cross-sectional area of the beam 20 can be reduced.

<Others>
Note that the present invention is not limited to the above embodiments.

For example, a plurality of embodiments can be implemented in combination as appropriate. For example, the beam side joint member 250 of the second embodiment or the beam side joint member 350 of the third embodiment may be joined to the column side joint member 110 of the first embodiment, or the column side joint member 110 of the second embodiment may be joined to the column side joint member 110 of the first embodiment. The beam-side joining member 150 of the first embodiment or the beam-side joining member 350 of the third embodiment may be joined to the member 210, or the beam-side joining member 310 of the third embodiment may be joined to the beam-side joining member 310 of the first embodiment. The joining member 150 or the beam-side joining member 250 of the second embodiment may be joined.

Further, for example, in the above embodiment, one beam 20 is joined to the pillar 10, but the present invention is not limited to this. The present invention can also be applied to the case where a plurality of beams 20 are joined to the column 10. For example, the present invention can be applied to the case where the beam 20 is joined to the pillar 10 in an L-shape or T-shape when viewed from above. In addition, when joining the beam 20 in an L-shape or T-shape in the first embodiment and the second embodiment, cross H-shaped steel is used for the main body parts 120, 220 of the column side joining members 110, 210, etc. You can respond accordingly.

Further, for example, in the above embodiment, the pillars 10 and the beams 20 are made of wood, but they are not limited to this. The pillar 10 and the beam 20 may be constructed of reinforced concrete, steel reinforced concrete, steel frame, or the like. Further, in the case of a steel structure, the steel column-side joint member and the steel beam-side joint member may constitute part or all of the joint portion 19 of the column 10 and the shaft end portion 20A of the beam 20. good.

Furthermore, the invention may be implemented in various ways without departing from the spirit of the invention.

10 Column 19 Joint part 20 Beam 20A Shaft end (end in material axis direction)
22 Upper surface 24 Lower surface 40 Bolt (an example of a joining means)
50 bolts (an example of joining means)
60 volts (an example of transmission means)
100 Column beam joint structure 110 Column side joint member 112 Projection part (an example of transmission means),
162 Beam side upper plate 164 Beam side lower plate 166 Beam side vertical plate 200 Column beam joint structure 242 Column side upper plate 244 Column side lower plate 246 Column side vertical plate 250 Beam side joint member 262 Beam side upper plate 264 Beam side lower plate 266 Beam side vertical plate 280 Splice plate (an example of plate and joining means)
282 Splice plate (an example of plate and joining means)
290 Splice plate (an example of plate and transmission means)
300 Column-beam joint structure 310 Column-side joint member 350 Beam-side joint member 362 Beam-side upper plate 364 Beam-side lower plate 366A Beam-side vertical plate 366B Beam-side vertical plate

Claims (5)

A steel column-side joint member that is provided at a joint part of a wooden column , the lower end of the upper column and the upper end of the lower column constituting the column are joined, and has a flange section along the side surface of the column. and,
a steel beam-side joint member provided at the end of the wooden beam in the axial direction and having an end plate ;
joining means for the beam-side joining member that joins the upper end of the flange portion and the upper end of the end plate ;
a transmission means that is provided at the lower end of the flange portion, receives the lower end of the end plate, and transmits vertically downward shearing force acting on the beam-side joint member to the column-side joint member;
Column-beam joint structure with The beam side joining member is
a beam-side upper plate disposed on the upper surface of the beam;
a lower beam side plate disposed under the lower surface of the beam;
a beam-side vertical plate along the material axis direction connecting the beam-side upper plate and the beam-side lower plate;
has
The beam-side vertical plate is inserted into a notch formed at the end of the beam in the axial direction,
A drift pin passing through the beam-side vertical plate is inserted from a side surface of the end of the beam, and the end and the beam-side joining member are joined.
The column-beam joint structure according to claim 1. A column installed at the joint part of a wooden column, the lower end of the upper column and the upper end of the lower column constituting the column are joined, and the column side vertical plate is joined to the upper and lower ends of the column side vertical plate. a steel column-side joint member having an upper side plate and a lower column-side plate;
A steel beam-side joint member that is provided at an end of a wooden beam in the axial direction and includes a beam-side vertical plate, and a beam-side upper plate and a beam-side lower plate that are joined to the upper and lower ends of the beam-side vertical plate. and,
a joining means for joining only the column-side upper plate and the beam-side upper plate;
a transmission means that connects the column-side vertical plate and the beam-side vertical plate and transmits vertically downward shear force acting on the beam-side joint member to the column-side joint member;
Column-beam joint structure with a steel column-side joint member that is provided at a joint part of a wooden column and has a column-side steel pipe section into which the lower end of the upper column and the upper end of the lower column constituting the column are inserted and joined;
a steel beam-side joint member provided at the end of the wooden beam in the axial direction and having an end plate;
A joining means for joining the upper end of the side surface of the column-side steel pipe section and the upper end of the end plate;
a transmission means that is provided at the lower end of the side surface portion, receives the lower end of the end plate, and transmits vertically downward shearing force acting on the beam-side joint member to the column-side joint member;
Column-beam joint structure with The transmission means is a protrusion that supports the lower end of the end plate.
The column-beam joint structure according to any one of claims 1, 2, and 4 .