JP7267167B2 - Column-beam frame with wooden beams - Google Patents

Description

TECHNICAL FIELD The present disclosure relates to a beam-to-column structure including wooden beams, and more particularly to a beam-to-column structure including a damping device.

Wood materials such as laminated timber and veneer laminated timber used for columns and beams are orthotropic. has the property of being weak. Therefore, when attaching an earthquake-resistant member or a vibration-damping member to a beam-column structure including wooden materials, they are often attached in the form of a brace (for example, Patent Document 1).

JP 2017-179791 A

When a brace-shaped member, that is, a member extending in an oblique direction is attached, there is a problem that a large opening defined by the members constituting the frame cannot be obtained. In addition, if the earthquake-resistant member or damping member is attached to the intermediate portion of the column or beam with nails or bolts, a large reaction force cannot be obtained, and there is a possibility that a large reaction force may be generated in the direction perpendicular to the fibers.

In view of such problems, it is an object of the present invention to provide a beam-column structure in which a force from damping members is transmitted in the fiber direction of wooden beams and a relatively large opening can be obtained.

At least some embodiments of the present invention comprise a horizontal member (2), a pair of pillars (3) standing on said horizontal member (2), and a A beam-to-column structure (1, 21, 31, 41, 51, 61, 71) comprising wooden beams (4, 53, 63), which is erected on the horizontal member (2) and comprises a vibration damping device (5 ) and steel or concrete joints (13, 22, 32, 42, 62, 72) joined to the middle of said wooden beams (4, 53, 63). , 69, 73) or walls, said joints (13, 22, 32, 42, 62, 72) being connected to said wooden beams (4, 53, 63) to transmit forces with said wooden beams (4, 53, 63). 53, 63), and joint surfaces (17, 70) that contact the wooden beams (4, 53, 63) perpendicularly to the extending direction of the wooden beams (4, 53, 63).

According to this configuration, since the joint surface perpendicular to the extending direction of the wooden beam transmits the bending force of the stud functioning as a damping device to the wooden beam as a compressive force, direction). For this reason, a large reaction force can be obtained on the wooden beam. In addition, compared to the case of using braces extending in an oblique direction as vibration damping members, the frame structure using studs as vibration damping members has a larger opening.

The beam-to-column structure (1, 21, 31, 41, 51, 61, 71) according to at least some embodiments of the present invention is configured as described above, wherein the joints (13, 22, 32, 42, 62, 72 ) and prestressing tendons (7, 25, 52, 66) for crimping the joint surfaces (17, 70) and the wooden beams (4, 53, 63) to each other.

According to this configuration, since the joint surface is crimped to the wooden beam, the joint between the joint and the wooden beam can be regarded as a rigid joint, and the bending of the stud can be easily transmitted to the wooden beam as a compressive force.

In the beam-to-column structure (1, 51, 71) according to at least some embodiments of the present invention, in the above configuration, the wooden beams (4, 53) are arranged at both ends of the columns (3) adjacent to each other. ) and the joints (13, 72) or a plurality of beam members (10, 54) joined to the joints (13, 72) adjacent to each other, wherein the tendons (7, 52) is fixed to the pillar (3) or the beam member (54) at both end portions through the joint portions (13, 72).

According to this configuration, prestress can be introduced over the entire length of the wooden beam in the extending direction or in the vicinity of the joint.

In the beam-to-column frame (1, 51) according to at least some embodiments of the present invention, in the above configuration, the joint portion is made of steel, and the H-section steel (14) and the H-section steel (14) ) and a pair of steel plates (15) fixed to both ends of the joint surface (17) to form the joint surface (17).

According to this configuration, the combination of the H-section steel and the steel plate provides a highly rigid joint, which is suitable for transmitting the bending of the stud to the wooden beam as a compressive force.

In the beam-to-column structure (21, 31, 41) according to at least some embodiments of the present invention, in the above second configuration, the wooden beams (4) are arranged at both ends of the columns (3) adjacent to each other. ) and the joints (22, 32, 42), or a plurality of beam members (10) joined to two of the joints (22, 32, 42) adjacent to each other, the prestressing tendon (25) each pass through one of the beam members (10), and at both ends, the pillar (3) and the joints (22, 32, 42) adjacent to each other, or two of the joints adjacent to each other (22, 32, 42), respectively.

According to this configuration, prestress can be introduced for each beam member.

The beam-column structures (21, 31, 41) according to at least some embodiments of the present invention are configured as described above, wherein the joints (22, 32, 42) are made of steel, and (i) are fixed to each other and a pair of steel plates (15) fixed to the opposite ends of said pair of channel steels (23) to form said joint surfaces (17). , (ii) an H-beam (14) and a pair of steel plates (15) fixed to opposite ends of said H-beam (14) to form said joint surface (17), or (iii) said joint surface. It comprises a pair of CT sections (43) fixed together, including flanges forming (17).

According to this configuration, in (i) or (iii), the beam-to-column joint of the column is displaced to the stud side by joining a pair of channel steels or CT steels to each other after prestressing. In the case of (ii), by assembling the joined body in advance at a factory or the like, it is possible to reduce on-site work.

In the beam-to-column frame (61) according to at least some embodiments of the present invention, in the above first or second configuration, the wooden beams (63) have joint holes (64) extending in the vertical direction. a single member having at said intermediate portion said joining portion (62) made of steel comprising an H-beam with a flange forming said joining surface (70); said joining hole (64); characterized by being accepted by

According to this configuration, since the wooden beam is made of one member, it is possible to shorten the construction work time of the wooden beam.

ADVANTAGE OF THE INVENTION According to this invention, the force from a damping member is transmitted to the fiber direction of a wooden beam, and it can provide the beam-column frame which can take a comparatively large opening.

Schematic front view showing a beam-column structure according to the first embodiment A diagram showing a joint portion of a column-beam structure according to the second embodiment (A: plan view, B: front view, C: CC cross-sectional view in FIG. B) Diagrams showing the joints of the column-beam structure according to the third embodiment (A: plan view, B: front view, C: CC cross-sectional view in FIG. B) Diagrams showing the joints of the beam-column structure according to the fourth embodiment (A: plan view, B: front view) Diagrams showing the joints of the beam-column structure according to the fifth embodiment (A: plan view, B: front view) Diagrams showing the joints of the beam-column structure according to the sixth embodiment (A: plan view, B: front view) A schematic front view showing a beam-column structure according to the seventh embodiment

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a beam-column structure 1 according to the first embodiment. A column-beam frame structure 1 comprises a reinforced concrete base 2 , a plurality of columns 3 erected on the base 2 , wood beams 4 bridged between the upper ends of two adjacent columns 3 , and the base 2 . It comprises a stud 6 including a damping device 5 and a tendon 7 for prestressing the wooden beam 4 , joined at its upper end to the intermediate part of the wooden beam 4 . The wooden member is laminated lumber or laminated veneer lumber, and the fibers of the wood generally extend in the extending direction of the member.

The foundation 2 is a horizontal member placed on or integrated with a foundation such as a continuous foundation. The base 2 may be made of steel or wood instead of reinforced concrete. In addition, horizontal members such as beams on the lower floors correspond to the base 2 in the upper floors of a building having two or more floors.

The column 3 includes a column body 8 made of a wooden material and a beam-to-column joint 9 made of concrete, preferably reinforced concrete, fixed to the upper end of the column body 8 . The beam-to-column joint 9 is preferably precast concrete. The column body 8 may be made of reinforced concrete or steel, and the beam-to-column joint 9 may be made of steel.

The wooden beam 4 includes a pair of beam members 10 made of a wooden material arranged so as to be aligned with each other in their extending directions. A pair of beam members 10 are joined to a common stud 6 on one end side and joined to a beam-to-column joint 9 of the corresponding column 3 on the other end side. The end face of the beam member 10 may be in direct contact with the beam-to-column joint 9 and the stud 6, or may be in contact via grout (not shown) or the like. The wooden beam 4 preferably has a length of 3-4 m.

The stud 6 includes a stud main body upper portion 11 and a stud main body lower portion 12 vertically connected to each other via a vibration damping device 5 , and a joint portion 13 fixed to the upper end of the stud main body upper portion 11 . The stud main body upper portion 11 and the stud main body lower portion 12 are made of steel plates. The joint portion 13 is fixed by welding or the like to the H-section steel 14 in which the upper and lower flanges are arranged horizontally and the web is arranged in parallel with the vertical direction and the extending direction of the wooden beam 4, and both ends of the H-section steel 14. and a reinforcing plate 16 arranged parallel to the steel plates 15 between the pair of steel plates 15 and welded to the H-beam 14 . In addition, the stud body upper part 11 and/or the stud body lower part 12 may be made of steel materials other than steel plates (for example, H-shaped steel or channel steel), wood materials (preferably wood materials to which prestress is applied in the vertical direction), or It may be constructed of reinforced concrete.

As the vibration damping device 5, a device having a known vibration damping structure such as a damping wall or viscoelastic rubber can be used. The damping device 5 is fixed to the stud main body upper portion 11 and the stud main body lower portion 12 by fasteners (not shown) such as bolts and nuts.

The H-section steel 14 is fixed to the upper end of the stud main body upper portion 11 by welding or the like on the lower surface of the lower flange. The surface of the steel plate 15 opposite to the side welded to the H-section steel 14 forms a joint surface 17 that is crimped to the end face on the side of the stud 6 in the extending direction of the beam member 10 in order to transmit force to the wooden beam 4. there is When viewed from the extending direction of the wooden beam 4, the contour of the joint surface 17 and the contour of the end face of the beam member 10 on the stud 6 side are different so that the steel plate 15 is crimped to the entire end face of the beam member 10 on the stud 6 side. They approximately match each other. The mutual crimping of the joint surface 17 and the end surface of the beam member 10 on the side of the stud 6 is brought about by the prestressing of the tendon 7 .

The tendons 7 are inserted through the joints 13 of the studs 6, the pair of beam members 10 and the pair of beam-to-column joints 9, and are held against each other in the pair of beam-to-column joints 9 by fasteners 18 at both ends. Affixed to the surface on the spaced apart side. The joint 13 of the stud 6 , the pair of beam members 10 , and the pair of beam-to-column joints 9 are provided with through-holes through which the tendons 7 are inserted along the extending direction of the wooden beams 4 . The through-hole of the beam member 10 is formed by cutting the beam member 10 before forming the through-hole along a plane passing through the portion where the through-hole is formed, and rejoining the two cut members to form the through-hole. It is formed by cutting a cut surface into two pieces and then gluing the two pieces together at the cut surface. The tendons 7 are tensioned in a post-tensioning manner. Moreover, it is preferable that the tendon 7 is unbonded. The tendon 7 applies prestress to the wooden beam 4, crimps the end surface of the beam member 10 on the side of the stud 6 and the joint surface 17 of the joint portion 13, and connects the end surface of the beam member 10 on the side of the column 3 to the beam. The joined body 9 is crimped. The tendon 7 is made of a PC steel bar, a PC steel wire, a PC steel stranded wire, or a bar or cable made of fiber-reinforced plastic such as aramid fiber, carbon fiber, glass fiber, or the like. In order to reduce the effect of tension reduction due to creep or the like, it is preferable to employ a material having a small elastic modulus as the tendon 7 .

Vibration between the upper stud main body 11 fixed to the wooden beam 4 and the lower stud main body 12 fixed to the base 2 is damped by the damping device 5. It functions as a vibration member. Since the beam members 10 and joints 13 of the studs 6 are crimped to each other on the surfaces perpendicular to the extending direction of the wooden beams 4, bending of the studs 6 is transmitted to the beam members 10 as compressive force. Therefore, the direction of the force transmitted to the wooden beam 4 coincides with the direction of the fiber of the wooden beam 4, that is, the direction of high compressive strength, and the reaction force on the wooden beam 4 is greater than when a wooden damper is used as a damping member. can be taken Since the joint portion 13 is made of a combination of steel materials, it has high rigidity and no orthotropic anisotropy, and is suitable for converting bending into compressive force. Also, by assembling the joint portion 13 in a factory or the like, it is possible to reduce the work on site.

Since each prestressing member 7 applies prestress over the entire length of the wooden beam 4, the number of prestressing operations is less than when prestressing is applied to each beam member 10.例文帳に追加

Due to the prestress of the tendons 7, the joints 13 of the studs 6 and the wooden beams 4 are crimped to each other, and both ends of the wooden beams 4 and the column-to-beam joints 9 are crimped to each other. becomes a rigid joint.

In addition, since the beam-to-column structure 1 employs the studs 6 instead of the braces, it is defined by the base 2, the columns 3, the wooden beams 4, and the studs 6 compared to the case where the braces extending in the oblique direction are present. The opening becomes larger.

By exposing the surfaces of the wooden beams 4 and covering the steel joints 13 with the wooden beams 4, the beams are expressed as a wooden structure.

Since the column-to-beam joint 9 is not a wooden structure having orthotropic properties but a concrete structure, it does not break even if it receives not only a vertical load but also a large force in the extending direction of the wooden beam 4 . Therefore, the prestress by the tendon 7 acting in the extending direction of the wooden beam 4 can be increased, and the joint between the column-to-beam joint 9 and the beam member 10 can be a moment resistance joint. By pressing the beam member 10 against the column-to-beam joint 9 with high pressure, the rigidity of this portion can be secured until the beam member 10 is separated from the column-to-beam joint 9, and the bending strength after separation can be increased. This increases the rigidity and strength of the rigid-frame frame. Moreover, since the rigidity of the joint portion is increased, the rigidity of the entire frame can be increased. Furthermore, since the soft layer at the end of the beam member 10 is crushed by receiving pressure from the beam-to-column joint 9 at the stage of introducing prestress, a more reliable rigid joint can be achieved.

By tensioning with tendons 7, the span of wooden beams 4 can be made relatively large, and a wide open space can be created. In addition, since the rigidity and bearing strength of wooden buildings are increased, the usable range of wood is expanded, contributing to the promotion of the use of wood, which is a renewable resource, especially wood materials. In addition, since wood is lighter than concrete and steel frames, it is possible to reduce the dead weight of the building.

Since the column-to-beam joint 9 is made of concrete and the joint 13 is made of steel, the joint remains elastic even in the event of a large earthquake, and due to the re-centering function of the unbonded prestress, residual deformation after the earthquake is small. Become. In addition, since the beam-to-column joint 9 is made of concrete, the labor required for processing the ends of the beam members 10 and the like can be reduced.

FIG. 2 shows the vicinity of the joint 22 in the beam-column structure 21 according to the second embodiment. In addition, in the description of the second to sixth embodiments, the same reference numerals are given to the configurations common to the already described embodiments, and the description thereof will be omitted. The beam-to-column structure 21 according to the second embodiment differs from the first embodiment mainly in the structure of the joints 22 and the arrangement of the tendons 25, and the structures not described below are the same as those in the first embodiment.

The joints 22 are composed of a pair of channel steels 23 whose upper and lower flanges are arranged horizontally and whose webs are arranged parallel to the vertical direction and the extending direction of the wooden beam 4, and to the channel steels 23 corresponding to each other. and a pair of fixed steel plates 15. A pair of webs of channel steel 23 are fixed together by fasteners 24 such as bolts and nuts while sandwiching the upper end of the upper stud body 11 . The pair of channel steels 23 have substantially the same length, but are arranged so as to be slightly shifted from each other in the extending direction of the wooden beam 4 . One steel plate 15 is fixed by welding or the like to the right end of channel steel 23 shifted to the right in FIG. Fixed.

Each of the tendons 7 (see FIG. 1) in the first embodiment prestresses both of the pair of beam members 10, but half of the tendons 25 in the second embodiment prestress one beam member 10. , and the other half of the tendon 25 prestresses the other beam member 10 . The tendon 25 is fixed to the column-to-beam joint 9 (see FIG. 1) at the end on the pillar 3 side by the fixture 18, and is fixed to the steel plate 15 of the joint 22 at the end on the stud 6 side by the fixture 18. be.

In the first embodiment, the beam-to-column joint 9 is displaced toward the stud 6 due to the introduction of prestress. By fastening, displacement of the beam-to-column joint 9 toward the stud 6 can be prevented.

The tendon 25 introduces prestress not to the entire wooden beam 4 but to each beam member 10, but the effect of pressure bonding between the beam member 10 and the beam-to-column joint 9 and joint 22 is the same as in the first embodiment. is.

FIG. 3 shows the vicinity of the joint 32 in the column-to-beam frame 31 according to the third embodiment. The beam-to-column structure 31 according to the third embodiment has the same arrangement of tendons 25 as in the second embodiment, and the other configurations are the same as in the first embodiment.

That is, the joint portion 32 is welded to both ends of the H-section steel 14, in which the upper and lower flanges are arranged horizontally and the web is arranged in the vertical direction and parallel to the extending direction of the wooden beam 4. and a reinforcing plate 16 arranged parallel to the steel plates 15 between the pair of steel plates 15 and welded to the H-beam 14 . In addition, the tendons 25 are arranged so that half of the tendons 25 prestress one beam member 10 and the other half of the tendons 25 prestress the other beam member 10 . It is fixed to the column-to-beam joint 9 at the joint 9 by a fixture 18 (see FIG. 1), and is fixed to the steel plate 15 at the joint 32 at the end on the stud 6 side by the fixture 18 .

The effect of pressure bonding between the beam member 10 and the column-to-beam joint 9 and joint portion 13 is the same as in the first and second embodiments.

The third embodiment may be modified so that the steel plate 15 of the joint portion 32 and the beam member 10 are joined together by bolts without arranging the tendon 25 . Also, in this modification, the beam-to-column joint 9 (see FIG. 1) may be made of the same wooden material as the column main body 8 (see FIG. 1) so as not to receive prestress.

FIG. 4 shows the vicinity of the joint 42 in the column-to-beam frame 41 according to the fourth embodiment. A beam-to-column structure 41 according to the fourth embodiment differs from that of the second embodiment mainly in the structure of the joints 42, and the structures not described below are the same as those of the second embodiment.

The joint 42 is formed by a pair of CT-shaped steels 43 including flanges arranged perpendicular to the extending direction of the wooden beams 4 and webs arranged in the vertical direction and parallel to the extending direction of the wooden beams 4. including. A pair of CT steels 43 are arranged so that the flanges face opposite sides. The surface of the flange of the CT-shaped steel 43 opposite to the web forms a joint surface 17 that is crimped to the beam member 10 .

The stud main body upper part 44 includes a pair of steel plates that sandwich both webs of a pair of CT-shaped steels 43, and is fixed to the vibration damping device 5 (see FIG. 1) at the lower end side. The webs of the pair of CT steels 43 and the upper portion of the stud body upper portion 44 are secured together by fasteners 24 such as bolts and nuts.

The effect of crimping the beam member 10 and the beam-to-column joint 9 and the joint 42, and the effect of fastening the joint 42 and the stud main body upper part 44 to each other after the introduction of the prestress, are described in the second embodiment. is similar to

FIG. 5 shows the vicinity of the joint 13 in the column-to-beam frame 51 according to the fifth embodiment. The column-to-beam frame 51 according to the fifth embodiment is different from the first embodiment mainly in the arrangement of tendons 52, and is the same as the first embodiment in terms of the configuration not described below.

A wooden beam 53 spanned between adjacent pillars 3 (see FIG. 1) includes a pair of beam members 54 . A concave portion 55 is provided in the side surface of the end portion of the beam member 54 on the side of the stud 6 .

The tendon 52 is inserted through the joint 13 and the ends of the pair of beam members 54 on the side of the stud 6 , and is fixed to the inner surface of the recessed portion 55 by the fixtures 18 at both ends. That is, the tendon 52 does not apply prestress to the entire wooden beam 53 , but applies prestress only to the vicinity of the stud 6 in the beam member 54 .

The beam member 54 and the column-to-beam joint 9 (see FIG. 1) may be joined by pin joining. First, a recess 55 on the side of the end on the stud 6 side) is provided, and both ends of the tendon (not shown) are fixed to the beam-to-column joint 9 and the inner surface of the recess as a moment resistance joint. good too.

The effect of pressure bonding between the beam member 54 and the joint portion 13 is the same as in the first embodiment.

FIG. 6 shows the vicinity of the joint 62 in the column-to-beam frame 61 according to the sixth embodiment. The post-beam frame 61 according to the sixth embodiment differs from the first to fifth embodiments in that the wooden beams 63 are not separated across the joints 62, and the joints 62 are embedded in the wooden beams 63. Configurations not described below are the same as those of the first embodiment.

The wooden beam 63 has a joint hole 64 penetrating in the vertical direction at the central portion in its extending direction. The joint portion 62 and the stud main body upper portion 65 are made of integral H-shaped steel, the flange of the H-shaped steel is orthogonal to the extending direction of the wooden beam 63, and the web of the H-shaped steel extends in the vertical direction and the wooden beam 63. It is arranged parallel to the existing direction. The lower end side of the stud main body upper portion 65 is fixed to the vibration damping device 5 (see FIG. 1), and the vibration damping device 5 is fixed to the upper end side of the stud main body lower portion 12 (see FIG. 1). Joint 62 is received in joint hole 64 .

The column-beam frame 61 includes a first tendon 66 that applies prestress over the entire length in the extending direction of the wooden beam 63, and a second tension member that applies prestress between both ends in the extending direction to the joint hole 64. material 67; The first prestressing tendons 66 are inserted through the insertion holes provided in the wooden beams 63, and are attached to the column-to-beam joints 9 (see FIG. 1) of the columns 3 (see FIG. 1) adjacent to each other at both ends by the fixtures 18. Fixed. The first prestressing tendon 66 is preferably arranged to avoid the joint hole 64 . The second tendon 67 is inserted through an insertion hole provided in the wooden beam 63, fixed to the beam-column joint 9 (see FIG. 1) on one end side by a fixture 18, and connected to the joint hole 64 on the other end side. It is fixed to the inner surface by a fixture 18 . Preferably, the first tendon 66 is arranged below the wooden beam 63 and the second tendon 67 is arranged above the wooden beam 63 .

The joint portion 62 is inserted into the joint hole 64 after the second tendon 67 is fixed. , with a filler material 68 such as grout.

The stud 69 functions as a damping member by including the damping device 5 (see FIG. 1) in the middle part, and the surface of the flange on the side opposite to the web on the H-shaped steel constituting the joint 62 is attached from the stud 69 is formed as a joint surface 70 that transmits the bending force as a compressive force to the wooden beam 63 through the filler material 68 . For this reason, as in the first to fifth embodiments, the direction of the force transmitted to the wooden beam 63 coincides with the direction of the fibers of the wooden beam 63, that is, the direction of high compressive strength, and a wooden damper is used as the damping member. A larger reaction force can be applied to the wooden beam 63 than in the case.

Since the joint surface 70 is crimped to the wooden beam 63 by the prestress of the first tendon 66, this joint can be regarded as a rigid joint.

In addition, since the wooden beam 63 is made of one member, the construction work time of the wooden beam 63 can be shortened.

Note that the beam-column frame 61 of the sixth embodiment may be modified so that the first tendon 66 and the second tendon 67 are not provided. Even in this case, the force from the stud 69 is transmitted to the wooden beam 63 as a compressive force by the joint surface 70 perpendicular to the extending direction of the wooden beam 63 .

FIG. 7 shows a column-to-beam frame 71 according to the seventh embodiment. The beam-to-column structure 71 according to the seventh embodiment is different from the first embodiment in that the studs 73 including the joints 72 are made of steel, and the configuration not described below is the same as that of the first embodiment.

The stud 73 includes a stud main body lower portion 75 erected on the base 2, a vibration damping device 5 fixed to the upper end portion of the stud main body lower portion 75, and a stud main body upper portion 74 fixed to the vibration damping device 5 at the lower end portion. , and a concrete joint 72 fixed to the upper end of the upper stud body 74 . The stud main body upper portion 74 and the stud main body lower portion 75 are made of H-section steel. The upper end portion of the stud main body upper portion 74 is embedded in the concrete joint portion 72 . The joint portion 72 has a rectangular parallelepiped shape whose outline matches the wooden beam 4 when viewed from the extending direction of the wooden beam 4, and the surface facing the column-to-beam joint 9 perpendicular to the extending direction of the wooden beam 4 is the joint surface. 17 is formed. The joint 72 is preferably made of reinforced concrete, and preferably made of precast concrete. In addition, the stud main body upper portion 74 and/or the stud main body lower portion 75 are made of steel materials other than H-shaped steel (for example, shaped steel such as channel steel), wood materials (preferably wood materials to which prestress is applied in the vertical direction), Or you may comprise with a reinforced concrete.

Although the specific embodiments have been described above, the present invention is not limited to the above embodiments and can be widely modified. Instead of studs, walls containing damping devices may be used as damping members. In the first to fifth embodiments, the steel material including the joint surface is fixed to the end face of the beam member with an adhesive or the like, and the steel material including the joint surface is pressed against another member of the stud by the prestress of the tendon. Thereby, the joint surface may be crimped to the beam member.

A plurality of studs may be provided between a pair of adjacent pillars, and in the modified examples of the first to fifth embodiments in this case, beam members are also provided between adjacent studs. Furthermore, in the modified examples of the second to fourth embodiments in this case, both ends of the prestressing tendons that apply prestress to the beam members provided between the adjacent studs are fixed to the joints.

1, 21, 31, 41, 51, 61, 71: column beam frame 2: foundation (horizontal member)
3: Columns 4, 53, 63: Wooden beams 5: Damping devices 6, 69: Studs 7, 25, 52: Tenants 10, 54: Beam members 13, 22, 32, 42, 62, 72: Joints 14 : H-shaped steel 15: Steel plates 17, 70: Joint surface 23: Channel steel 43: CT-shaped steel 66: First tendon (strand)

Claims (6)

A beam-column structure comprising a horizontal member, a pair of columns erected on the horizontal member, and a wooden beam spanning between the pair of columns,
one or more studs or walls erected on the horizontal member and including a damping device and a steel or concrete joint joined to an intermediate portion of the wooden beam;
the joint portion includes a joint surface that contacts the wooden beam perpendicular to the extending direction of the wooden beam so as to transmit force to the wooden beam;
A beam-column structure , further comprising tendons that apply a prestress to crimp the joint surfaces of the joints and the wooden beams to each other . Each of the wooden beams comprises a plurality of beam members joined at both ends to the pillars and joints adjacent to each other, or to two joints adjacent to each other,
2. The column-beam frame according to claim 1 , wherein the tendon passes through the joint and is fixed to the column or the beam member at both ends. 3. The joint according to claim 2 , wherein the joint is made of steel and includes an H-section steel and a pair of steel plates fixed to both ends of the H-section steel to form the joint surfaces. column-beam frame. The wooden beam includes a plurality of beam members joined to the pillars and the joints adjacent to each other, or to the two joints adjacent to each other at both ends,
Each of the prestressing tendons passes through one of the beam members and is fixed at both ends to the pillars and the joints adjacent to each other, or to two of the joints adjacent to each other. The beam-column structure according to claim 1 . The joints are made of steel, and are: (i) a pair of channel steels fixed together and fixed to opposite ends of a pair of said channel steels to form said joint surfaces; (ii) an H-beam and a pair of steel plates fixed to opposite ends of said H-beam forming said joint surfaces; or (iii) flanges forming said joint surfaces; 5. A beam-column frame according to claim 4 , comprising a pair of fixed CT sections. A beam-column structure comprising a horizontal member, a pair of columns erected on the horizontal member, and a wooden beam spanning between the pair of columns,
one or more studs or walls erected on the horizontal member and including a damping device and a steel or concrete joint joined to an intermediate portion of the wooden beam;
the joint portion includes a joint surface that contacts the wooden beam perpendicular to the extending direction of the wooden beam so as to transmit force to the wooden beam;
The wooden beam is composed of one member having a joint hole extending in the vertical direction in the intermediate portion,
A beam-column structure, wherein the joint portion is made of steel and includes an H-section steel having a flange forming the joint surface and is received in the joint hole.

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