JP7273550B2 - Structural material - Google Patents

Description

The present invention relates to a structural member constructed by combining a wooden structural member and metal.

In wooden construction, structural materials such as columns and beams are used as CLT (Cross
In the case of wooden structural members composed only of wood such as Laminated Timber (orthogonal laminated board) or laminated timber, there is a fragile side such as distortion and compression as wood, so long lengths and large cross-sections with long spans etc. in mind It is difficult to form a structural material of
Therefore, it is known to combine a wooden structural member with a metal to form a long structural member having a large rigidity and a large cross section. For example, there is known a structural material configured by combining laminated lumber and steel material such as H-shaped steel (see Non-Patent Document 1).

"Finishing of the Main Structural Part of a Woody Hybrid Fire-Resistant Building", March 2012, Japan Laminated Timber Industry Cooperative, URL/http://www.syuseizai.com

However, with the structural material that combines laminated lumber and steel materials, for example, when forming a beam with a long span, it is necessary to increase the beam height. not.
That is, in the structural material that combines the laminated lumber and steel materials described above, a recess for incorporating the steel material must be formed inside the laminated lumber that forms the surface side of the structural material such as a beam or column. processing) cost increases.
In addition, when forming beams in the above-mentioned structural materials that combine laminated lumber and steel materials, various cross-sectional dimensions are available according to the required beam length and cross-sectional dimensions of the beam (beam width, beam height). Steel materials are required, and when forming columns, steel materials with various cross-sectional dimensions are required according to the required column length and cross-sectional dimensions of the columns, which increases the cost of parts.
In other words, there is a problem that the structural material obtained by combining the laminated lumber and the steel material described above is costly.
The present invention provides a highly rigid and inexpensive structural member that combines wooden structural members and metal.

A structural member according to the present invention is a structure formed by joining a plurality of wooden structural members each having a rectangular cross section orthogonal to the direction of the material axis so as to have a cross section larger than that of a single wooden structural member. One wooden structural member and the other wooden structural member, which are arranged so that the opposing surfaces along the material axis direction face each other at a predetermined distance, and the other wooden structural member are opposed to each other at a predetermined distance. a metal plate provided between the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member, and joining means for joining one wooden structural member, the metal plate, and the other wooden structural member The metal plate is formed by a vertical plate of T-shaped steel with a T-shaped cross section, and the plate surface of the vertical plate and the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member are in surface contact and the outer surface of one of the wooden structural members extending in the axial direction perpendicular to the opposing surface of the one wooden structural member and the outer surface of the other wooden structural member extending in the axial direction perpendicular to the opposing surface of the other wooden structural member The outer surface of the wooden structural member and the vertical plate side of the horizontal plate of the T-shaped steel are installed in a state of surface contact , and the T-shaped steel is installed on one outer surface side and the other outer surface side of the structural member facing each other. One of the T-beams has a horizontal plate in surface contact with one outer surface of the structural member, and a vertical plate between the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member. The other T-shaped steel has a horizontal plate in surface contact with the other outer surface of the structural member, and a vertical plate facing the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member. It is characterized in that it is installed in a state sandwiched between the surface and a gap is provided between the lower end of the vertical plate of one T-shaped steel and the lower end of the vertical plate of the other T-shaped steel, In addition to providing high-rigidity, inexpensive structural members that combine wooden structural members and metals, it is also possible to form structural members with various cross-sectional dimensions by changing the spacing between T-shaped steels with constant cross-sectional dimensions. In addition, the wooden structural member of the structural member is restrained from the outside by one T-shaped steel and the other T-shaped steel, so that a structural member with higher rigidity can be provided.
Further, the structural member according to the present invention is formed by joining a plurality of wooden structural members each having a rectangular cross section orthogonal to the direction of the material axis so as to have a cross section larger than that of one wooden structural member. one wooden structural member and the other wooden structural member arranged so that the facing surfaces along the material axial direction face each other with a predetermined interval, and the other wooden structural member with a predetermined interval A joint that joins one wooden structural member, the metal plate, and the other wooden structural member to a metal plate provided between the facing surface of one wooden structural member and the facing surface of the other wooden structural member The metal plate is formed by a vertical plate of T-shaped steel having a T-shaped cross section, and the plate surface of the vertical plate and the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member The outer surface of one wooden structural member in surface contact and extending axially perpendicular to the facing surface of one wooden structural member and the axially extending perpendicular to the facing surface of the other wooden structural member The outer surface of the other wooden structural member and the vertical plate side of the horizontal plate of the T-shaped steel are installed in a state of surface contact, and the T-shaped steel is one of the pair of outer surfaces facing each other of the structural member The horizontal plate is in surface contact with one of the outer surfaces of the structural member, and the vertical plate is installed only on the outer surface side of the wooden structural member. Installed in a state sandwiched between, and installed in a state where a plate material is sandwiched between the facing surface of one wooden structural member and the facing surface of the other wooden structural member on the other outer surface side of the structural member, Since a space is provided between the lower end of the vertical plate of the T-shaped steel and the plate material, it is possible to provide a highly rigid and inexpensive structural material by combining wooden structural members and metal, and to reduce the cross-sectional dimension. By using constant T-shaped steel and changing the interval, it is possible to form structural members with various cross-sectional dimensions, and at the same time, the amount of T-shaped steel used can be reduced, so structural members with various cross-sectional dimensions can be used more effectively. can be provided at low cost.
In addition, since the horizontal plate of the T-shaped steel is fixed to one of the wooden structural members and the other wooden structural member with a fixing member, the one wooden structural member, the T-shaped steel, and the other wooden structural member are fixed. can be more firmly integrated, and the rigidity of the structural material can be further improved.
The joining means includes a connecting shaft inserting through-hole continuously provided across one wooden structural member, the metal plate, and the other wooden structural member, and a connecting rod inserted into the connecting shaft inserting through-hole. and nuts that are fastened to threaded portions formed on both ends of the connecting shaft protruding from both ends of the connecting shaft insertion through hole to fix the connecting shaft to the connecting shaft insertion through hole. As a result, the wooden structural member on one side, the metal plate, and the wooden structural member on the other side can be firmly integrated, and a structural member with high rigidity can be provided.

Sectional drawing of the structural material of Embodiment 1. FIG. Sectional drawing of the structural material of Embodiment 1. FIG. 2 is an exploded perspective view of the structural member of Embodiment 1. FIG. 2 is a perspective view of the structural member of Embodiment 1. FIG. 2 is a perspective view of the structural member of Embodiment 1. FIG. Sectional drawing of the structural material of Embodiment 2. FIG. Sectional drawing of the structural material of Embodiment 2. FIG. Sectional drawing of the structural material of Embodiment 3. FIG. Sectional drawing of the structural material of Embodiment 4. FIG.

Embodiment 1
As shown in FIG. 1, structural members 1 used for beams, columns, etc. according to Embodiment 1 are opposed to a wooden structural member 2A on one side and a wooden structural member 2B on the other side at a predetermined distance from each other. A metal plate 3 provided between the opposing surface 2a of one wooden structural member 2A and the opposing surface 2a of the other wooden structural member 2B, one wooden structural member 2A, the metal plate 3, and the other wooden structural member 2B. and a plurality of connecting shaft insertion through holes 4, 4, . and nuts 6 , 6 . . . for fixing the connecting shaft 5 to the connecting shaft insertion through hole 4 .

The wooden structural members 2A and 2B are long wooden structural members having a rectangular cross section perpendicular to the direction of the material axis (longitudinal direction), and are made of CLT (Cross Laminated Timber) or laminated lumber. It is formed.

As shown in FIG. 3, the facing surfaces 2a, 2a of the wooden structural members 2A, 2B, which face each other with a predetermined interval, are composed of parallel sides 2b, 2b along the direction of the material axis and the sides It is a surface surrounded by a side 2c connecting one ends of the sides 2b and 2b and a side (not shown) connecting the other ends of the sides 2b and 2b.

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

For example, as shown in FIG. 1, when the structural member 1 is used as a beam, the T-shaped steel 30 is installed vertically symmetrically on the upper surface 2t side and the lower surface 2u side of the beam.
That is, one T-shaped steel 30 installed on the upper surface 2t side of the beam (structural member 1) is in surface contact with one plate surface 31a of the vertical plate 31 and the opposing surface 2a of one wooden structural member 2A. , the other plate surface 31b of the vertical plate 31 and the opposing surface 2a of the other wooden structural member 2B are in surface contact, and extend in the material axial direction perpendicular to the opposing surface 2a of the wooden structural member 2A. The upper surface 2t as the outer surface of the wooden structural member 2A and the upper surface 2t as the outer surface of the other wooden structural member 2B extending in the material axis direction perpendicular to the opposing surface 2a of the other wooden structural member 2B and the vertical direction of the horizontal plate 32 The plate surfaces 32a, 32a on the side of the plate 31 (plate surfaces separated by the boundary between the vertical plate 31 and the horizontal plate 32) are installed in a state of surface contact.
Similarly, the other T-shaped steel 30 installed on the lower surface 2u side of the beam (structural member 1) has one plate surface 31a of the vertical plate 31 and the opposing surface 2a of the one wooden structural member 2A. In addition, the other plate surface 31b of the vertical plate 31 and the opposing surface 2a of the other wooden structural member 2B are in surface contact, and perpendicular to the opposing surface 2a of the one wooden structural member 2A in the material axial direction. The lower surface 2u as the outer surface of the extending wooden structural member 2A and the lower surface 2u as the outer surface of the other wooden structural member 2B extending in the axial direction perpendicular to the facing surface 2a of the other wooden structural member 2B and the horizontal plate. The plate surfaces 32a, 32a (plate surfaces separated by the boundary between the vertical plate 31 and the horizontal plate 32) of the plate 32 on the side of the vertical plate 31 are installed in a state of surface contact.
A space S is formed between the lower end 31e of the vertical plate 31 of one of the T-shaped steels 30 installed on the upper surface 2t side of the beam and the lower end 31e of the vertical plate 31 of the T-shaped steel 30 installed on the lower surface 2u side of the beam. configured to be spaced apart.
That is, when the structural member 1 is a beam, the T-shaped steels 30, 30 are installed on the upper surface 2t side and the lower surface 2u side of the beam so as to be vertically symmetrical, respectively, and one side installed on the upper surface 2t side of the beam A space S is provided between the lower end 31e of the vertical plate 31 of the T-shaped steel 30 and the lower end 31e of the vertical plate 31 of the other T-shaped steel 30 installed on the lower surface 2u side of the beam.
Therefore, by using the T-shaped steels 30, 30 with constant cross-sectional dimensions and changing the interval S, beams with various cross-sectional dimensions (beam height dimensions) can be formed. dimensions) can be provided at low cost.

Further, although not shown, when the structural member 1 is a column, the T-shaped steel 30 is installed vertically symmetrically on a pair of side surfaces (outer surfaces) facing each other of the column. A space S is provided between the lower end 31e of the vertical plate 31 of one T-shaped steel 30 installed in the column and the lower end 31e of the vertical plate 31 of the other T-shaped steel 30 installed on the other side of the column configuration.
Therefore, by using the T-shaped steels 30, 30 with constant cross-sectional dimensions and changing the interval S, columns with various cross-sectional dimensions can be formed, so that columns with various cross-sectional dimensions can be provided at low cost. become.

That is, in the structural member 1, the T-shaped steel 30 is installed on one outer surface side and the other outer surface side of the structural member 1 facing each other. The vertical plate 31 is sandwiched between the facing surface 2a of the wooden structural member 2A and the facing surface 2a of the wooden structural member 2B. In the other T-shaped steel 30, the horizontal plate 32 is in surface contact with the other outer surface of the structural member 1 (for example, the lower surface 2u in FIG. 1), and the vertical plate 31 is opposed to the wooden structural member 2A. It is installed in a state sandwiched between the surface 2a and the opposing surface 2a of the other wooden structural member 2B, and the lower end 31e of the vertical plate 31 of one T-shaped steel 30 and the vertical plate 31 of the other T-shaped steel 30 Since the space S is provided between the bottom end 31e and the T-shaped steels 30, 30 with constant cross-sectional dimensions, the structural members 1 with various cross-sectional dimensions can be formed by changing the space S. As a result, it becomes possible to provide structural members 1 with various cross-sectional dimensions at low cost.

As shown in FIGS. 1 and 3, the connecting shaft insertion through-holes 4 are a through-hole 4A formed in one of the wooden structural members 2A, a through-hole 4B formed in the other wooden structural member 2B, and a through-hole 4B formed in the other wooden structural member 2B. 4 C of through-holes formed in the vertical plate 31 of the shaped steel 30 .
That is, the through hole 4 for inserting the connecting shaft is formed by a vertical plate 31 of the T-shaped steel 30 and one wooden structural member 2A installed so that one plate surface 31a and the opposing surface 2a of the vertical plate 31 are in surface contact with each other. and through holes 4A, 4C, and 4B formed so as to be continuous with the other wooden structural member 2B installed so that the other plate surface 31b of the vertical plate 31 and the opposing surface 2a are in surface contact with each other. be done.

The hole diameter of the connecting shaft insertion through hole 4 is formed to correspond to the shaft diameter of the connecting shaft 5 and to be slightly larger than the shaft diameter so that the connecting shaft 5 can be inserted.

Large-diameter portions 41 , 41 are provided on both end sides of the through-hole 4 for inserting the connecting shaft so as to correspond to the diameter of the nut 6 and have a diameter slightly larger than the diameter of the nut 6 .
One large-diameter portion 41 is formed as a large-diameter hole that extends from one end opening of the connecting shaft insertion through-hole 4 and opens to the outer surface 2f facing the opposing surface 2a of one wooden structural member 2A.
Similarly, the other large-diameter portion 41 is formed as a large-diameter hole that extends from the other end opening of the connecting shaft insertion through-hole 4 and opens to the outer surface 2f facing the opposing surface 2a of the other wooden structural member 2B. be.

The connecting shaft 5 is formed to have a length longer than the length of the through hole 4 for inserting the connecting shaft and shorter than the width dimension X of the structural member 1, and passes through the through hole 4 for inserting the connecting shaft. Both ends of the through-hole 4 for insertion protrude into the large-diameter portions 41, 41, respectively, and are formed into threaded portions 51, 51 to which the nuts 6 are screwed.

That is, between the opposing surface 2a of one wooden structural member 2A and the opposing surface 2a of the other wooden structural member 2B, these opposing surfaces 2a, 2a and the plate surfaces 31a, 31b of the vertical plate 31 of the T-shaped steel 30 are arranged. are in surface contact with each other, and the central axes of the through holes 4A, 4C, and 4B are aligned to form a connecting shaft insertion through hole 4, one wooden structural member 2A, the other wooden structural member 2B, and a T-shaped steel 30 are positioned, the connecting shaft 5 is inserted into the through hole 4 for inserting the connecting shaft, and the nuts 6 are inserted into the large diameter portions 41, 41 positioned on both end sides of the through hole 4 for inserting the connecting shaft. By screwing the nut 6 onto the threaded portion 51 at the end of the connecting shaft 5 and tightening, the wooden structural member 2A, the metal plate 3, and the wooden structural member 2B are joined.

That is, in the structural member 1 according to Embodiment 1, a plurality of connecting shaft insertion through holes 4, 4 are provided so as to extend continuously over one wooden structural member 2A, the metal plate 3, and the other wooden structural member 2B. , a plurality of connecting shafts 5, 5 . . . respectively inserted into the plurality of connecting shaft insertion through holes 4, 4 . One wooden structural member 2A, the metal plate 3, and the other wooden structural member 2A and the metal plate 3 are fastened to the threaded portions 51, 51 formed in the nut 6 to fix the connecting shaft 5 to the connecting shaft insertion through-hole 4, respectively. A joining means for joining 2B is configured. By the joining means, the one wooden structural member 2A, the metal plate 3, and the other wooden structural member 2B can be firmly integrated, and the structural member 1 with high rigidity can be provided.

Further, the horizontal plate 32 of the T-shaped steel 30 is formed with a screw through-hole 71 through which a screw 7 as a fixing member is inserted. to one wooden structural member 2A and the other wooden structural member 2B, by fastening screws 7 so that one wooden structural member 2A, T-shaped steel 30, and the other wooden structural member 2B It becomes possible to strongly integrate them, and the rigidity of the structural member 1 can be further improved.

As described above, the one wooden structural member 2A, the T-shaped steels 30, 30, and the other wooden structural member 2B are connected by the connecting shaft 5 which is inserted into the connecting shaft insertion through-hole 4 and fixed with the nut 6. A constructed structural member 1, that is, a structural member 1 having high rigidity, a long size, a large cross section, and a low cost, which is formed by combining a plurality of wooden structural members 2A and 2B and a metal plate 3, can be obtained.
That is, it is possible to provide an inexpensive structural member 1 having high rigidity in which a plurality of wooden structural members 2A, 2B and a metal plate 3 are combined.

In the structural member 1 according to Embodiment 1, it is not necessary to form recesses for incorporating steel materials inside the plurality of wooden structural members, and only through holes 4 for inserting connecting shafts are formed. The manufacturing (processing) cost can be reduced compared to conventional structural materials that combine steel and steel.
Further, in the structural material 1 according to the first embodiment, it is possible to form the structural material 1 with various cross-sectional dimensions by using the T-shaped steels 30, 30 having the same cross-sectional dimensions. Therefore, the parts cost can be reduced as compared with the conventional structural material in which the laminated lumber and the steel material are combined.
That is, according to the first embodiment, a structural member 1 having high rigidity and fire resistance, which is a combination of a wooden structural member and a metal, for example, a structural member 1 such as a beam or a column having a long length and a large cross section can be used as compared with the conventional structure. It can be provided at a significantly lower price.

Further, in the structural member 1 according to Embodiment 1, the T-shaped steel 30 is installed on one outer surface side and the other outer surface side of the structural member 1 facing each other, and the horizontal plate 32 of one of the T-shaped steels 30 is in surface contact with one outer surface of the structural member 1, and the horizontal plate 32 of the other T-shaped steel 30 is in surface contact with the other outer surface of the structural member 1. Since it is fixed to 2A and 2B, the wooden structural members 2A and 2B of the structural member 1 are restrained from the outside by the T-shaped steel 30 on one side and the T-shaped steel 30 on the other side, and the rigidity is higher. A structural material 1 can be provided.

In addition, as shown in FIG. 2, the structural member 1 according to the first embodiment does not have the large-diameter portions 41, 41 on both end sides of the through-hole 4 for inserting the connecting shaft. , 51 protrude outward from the outer surface 2f of one wooden structural member 2A and the outer surface 2f of the other wooden structural member 2B, and a nut 6 screwed to the threaded portion 51 is fastened to the outer surface 2f. A structure in which the structural members 2A and 2B and the metal plate 3 are joined may be used.

Further, in the structural member 1 according to the first embodiment, as shown in FIG. It may be intermittently provided along the material axis direction of the wooden structural member 2A and the wooden structural member 2B of the other, or as shown in FIG. The T-shaped steels 30, 30 provided on one side and the other outer surface side, respectively, may be provided continuously along the material axis direction of the one wooden structural member 2A and the other wooden structural member 2B. .

Further, in the structural member 1 according to the first embodiment, as shown in FIG. The projection length 31H of the vertical plate 31 to the lower end 31e of 31 is shorter than 1/2 of the length dimension 2H in the direction orthogonal to the material axis direction on the facing surface 2a of the wooden structural members 2A and 2B. By using the material, a space S is provided between the lower end 31e of the vertical plate 31 of one T-shaped steel 30 and the lower end 31e of the vertical plate 31 of the other T-shaped steel 30, and the cross-sectional dimension By using a constant T-shaped steel 30 and varying the spacing S, it is possible to form structural members 1 with various cross-sectional dimensions.
Therefore, the material cost of the T-shaped steel 30 can be suppressed, and the structural members 1 with various cross-sectional dimensions can be provided at low cost.

Embodiment 2
In the structural member 1 according to Embodiment 1, the T-shaped steels 30, 30 are provided on the upper and lower sides of the one wooden structural member 2A and the other wooden structural member 2B, respectively. In addition, T-shaped steel 30 is provided on either one of the upper and lower sides of one wooden structural member 2A and the other wooden structural member 2B, and on the other side, the facing surface 2a of one wooden structural member 2A and the other wooden structure The structural member 1 is provided with a plate member 8 fixed in a state of being sandwiched between the facing surface 2a of the member 2B.

That is, in the structural member 1 according to the second embodiment, the T-shaped steel 30 is formed on one outer surface of a pair of mutually opposing outer surface sides of the structural member 1 (for example, the upper surface 2t in FIG. 6 or the lower surface 2u in FIG. 7). ) side, and the horizontal plate 32 is in surface contact with one outer surface of the structural member 1, and the vertical plate 31 is in contact with the facing surface 2a of the wooden structural member 2A on one side and the wooden structural member 2B on the other side. The opposing surface of one wooden structural member 2A on the other outer surface of the structural member 1 (for example, the lower surface 2u in FIG. 6 or the upper surface 2t in FIG. 7). A plate 8 is sandwiched between 2a and the opposing surface 2a of the other wooden structural member 2B, and a space S is provided between the lower end 31e of the vertical plate 31 of the T-shaped steel 30 and the plate 8. It was configured as
The material of the plate member 8 is not particularly limited, and for example, a flat plate having the same plate thickness as the vertical plate 31 and formed of a wooden plate, a metal plate, a resin plate, or the like may be used.
The wooden structural member 2A on one side, the plate 8 and the wooden structural member 2B on the other side are connected in the same manner as described above so that the wooden structural member 2A on one side, the plate 8 and the wooden structural member 2B on the other side are connected. The connecting shaft 5 may be inserted into the connecting shaft inserting through hole 4X formed by the through holes 4A, 4D, and 4B and fixed with the nut 6. FIG.
According to the structural member 1 of Embodiment 2, similar to the structural member 1 of Embodiment 1, by using the T-shaped steel 30 with a constant cross-sectional dimension and changing the interval S, the structural member 1 with various cross-sectional dimensions can be obtained. can be formed, and the amount of T-shaped steel 30 used can be reduced, so that structural members 1 with various cross-sectional dimensions can be provided at a lower cost.

Embodiment 3
As shown in FIG. 8, one or more wooden structural members 2X are further connected to the outer surface of one wooden structural member 2A, and one or more wooden structural members 2Y are further connected to the outer surface of the other wooden structural member 2B. As a result, the structural member 1 having a configuration with a larger cross section is obtained.
In this case, through holes 4A, 4E, 4C, 4E, and 4B formed so as to be continuous with the wooden structural members 2X and 2A, the vertical plate 31 (metal plate 3) of the T-shaped steel 30, and the wooden structural members 2B and 2Y. The connecting shaft 5 is inserted into the through hole 4Y for connecting shaft insertion and fixed with the nut 6. As shown in FIG.
According to the structural member 1 of Embodiment 3, a structural member 1 with a larger cross section can be provided by adding a wooden structural member and using a long connecting shaft 5 .

Embodiment 4
As shown in FIG. 9, while covering the horizontal plate 32 of the T-shaped steel 30 exposed on the upper surface (outer surface) 2t of one wooden structural member 2A and the upper surface (outer surface) 2t of the other wooden structural member 2B, It covers the horizontal plate 32 of the T-shaped steel 30 exposed on the lower surface (outer surface) 2u of the structural member 2A and the lower surface (outer surface) 2u of the other wooden structural member 2B, and furthermore, covers the outer surface 2f of one wooden structural member 2A and the other The structural member 1 is constructed so as to block the opening of the large-diameter portion 41 opening on the outer surface 2f of the wooden structural member 2B.
That is, the end surface cover plate 9 installed beside the left and right end surfaces of the horizontal plate 32 of the T-shaped steel 30 exposed on the outer surface of the wooden structural member 2A and the outer surface of the other wooden structural member 2B, and the outer surface of the wooden structural member 2A. and a plate surface cover plate 10 installed on the plate surface of the horizontal plate 32 of the T-shaped steel 30 exposed on the outer surface of the other wooden structural member 2B, and a cover plate 11 that closes the opening of the large diameter portion 41. It was configured.
In this case, for example, as shown in FIG. 9, the end surface cover plate 9 and the plate surface cover plate 10 are fixed to the wooden structural member 2A and the other wooden structural member 2B by screws 7, and the cover plate 11 is the large diameter portion. It may be configured to be adhesively fixed in a state of being fitted in the opening of 41 .
In this configuration, by forming the end surface cover plate 9, the plate surface cover plate 10, and the cover plate 11 from wood, it is possible to provide the structural member 1 whose appearance can be formed in the plane of wood.

In each embodiment, the joining means is a plurality of drift pin fitting through holes (not shown) provided so as to extend continuously over one wooden structural member 2A, the metal plate 3, and the other wooden structural member 2B. and a plurality of drift pins (not shown) that join the wooden structural member 2A, the metal plate 3, and the wooden structural member 2B by fitting into the plurality of through holes for drift pin insertion. may

Alternatively, the joining means may be composed of an adhesive for joining the wooden structural member 2A, the metal plate 3, and the wooden structural member 2A.

In the second embodiment, the joining means is a plurality of through holes (not shown) for fitting drift pins provided so as to extend continuously over one wooden structural member 2A and plate 8 and the other wooden structural member 2B. and a plurality of drift pins (not shown) that join one of the wooden structural members, the metal plate, and the other wooden structural member by being fitted into the plurality of through-holes for fitting the drift pins. .
Further, in Embodiment 2, the joining means may be composed of an adhesive for joining the wooden structural member 2A and the plate 8 on one side and the wooden structural member 2B on the other side.

Further, in each of the embodiments, an adhesive is used in combination to bond the connecting shaft insertion through hole and the connecting shaft, or to bond the metal plate and the wooden structural member. , a configuration in which a metal plate and a plate material are bonded together using an adhesive, or a configuration in which wooden structural members are bonded together using an adhesive in Embodiment 3, or Embodiment 4 In the above, if the end face cover plate, the plate surface cover plate, and the wooden structural member are bonded together using an adhesive, the structural member 1 having high rigidity in which each member is more firmly joined can be provided. Alternatively, the gap S may be filled with an adhesive.

In each embodiment, an example using a wooden structural member made of CLT or laminated wood is shown, but a wooden structural member made of solid wood may also be used.

Further, in each embodiment, as the T-shaped steel 30, the height dimension 31H of the vertical plate 31 is the length of the length dimension 2H in the direction orthogonal to the material axis direction on the facing surfaces 2a of the wooden structural members 2A and 2B. Although an example using the T-shaped steel 30 shorter than 1/2 was shown, the height dimension 31H of the vertical plate 31 is the length in the direction orthogonal to the material axis direction on the facing surface 2a of the wooden structural members 2A and 2B. Tees 30 longer than half the length of dimension 2H may be used. For example, a T-shaped steel 30 may be used in which the height dimension 31H of the vertical plate 31 is slightly shorter than the length dimension 2H in the direction orthogonal to the axial direction of the facing surfaces 2a of the wooden structural members 2A and 2B.

1 structural member, 2A one wooden structural member, 2B one wooden structural member, 3 metal plate,
4 connecting shaft insertion through hole, 2a facing surface, 2t upper surface (perpendicular surface),
2u lower surface (perpendicular surface), 5 connecting shaft, 6 nut, 7 screw (fixing member),
30 T-shaped steel, 31 vertical plate (metal plate), 31a, 31b plate surface of vertical plate,
32a plate surface on the vertical plate side of the horizontal plate, 31e lower end of the vertical plate, 51 screw part, S interval.

Claims (4)

A structural member formed by joining a plurality of wooden structural members each having a rectangular cross section orthogonal to the material axis direction to have a cross section larger than that of one wooden structural member,
one wooden structural member and the other wooden structural member arranged so that the facing surfaces along the material axis direction are opposed to each other with a predetermined interval;
a metal plate provided between a facing surface of one wooden structural member and a facing surface of the other wooden structural member that are opposed to each other with a predetermined gap;
a joining means for joining one of the wooden structural members, the metal plate and the other wooden structural member;
The metal plate is formed of a vertical plate of T-shaped steel with a T-shaped cross section, and the plate surface of the vertical plate is in surface contact with the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member, and , the outer surface of one wooden structural member extending in the axial direction perpendicular to the facing surface of the one wooden structural member and the other wooden structural member extending in the axial direction perpendicular to the facing surface of the other wooden structural member It is installed in a state where the outer surface of the T-shaped steel and the vertical plate side of the horizontal plate of the T-shaped steel are in surface contact ,
The T-shaped steel is installed on one outer surface side and the other outer surface side of the structural material facing each other,
On the other hand, the T-shaped steel is in a state in which the horizontal plate is in surface contact with one outer surface of the structural member, and the vertical plate is sandwiched between the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member. is installed in
The other T-shaped steel is in a state in which the horizontal plate is in surface contact with the other outer surface of the structural member, and the vertical plate is sandwiched between the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member. is installed in
A structural member characterized in that a gap is provided between a lower end of a vertical plate of one T-shaped steel and a lower end of a vertical plate of the other T-shaped steel. A structural member formed by joining a plurality of wooden structural members each having a rectangular cross section orthogonal to the material axis direction to have a cross section larger than that of one wooden structural member,
one wooden structural member and the other wooden structural member arranged so that the facing surfaces along the material axis direction are opposed to each other with a predetermined interval;
a metal plate provided between a facing surface of one wooden structural member and a facing surface of the other wooden structural member that are opposed to each other with a predetermined gap;
a joining means for joining one of the wooden structural members, the metal plate and the other wooden structural member;
The metal plate is formed of a vertical plate of T-shaped steel with a T-shaped cross section, and the plate surface of the vertical plate is in surface contact with the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member, and , the outer surface of one wooden structural member extending in the axial direction perpendicular to the facing surface of the one wooden structural member and the other wooden structural member extending in the axial direction perpendicular to the facing surface of the other wooden structural member It is installed in a state where the outer surface of the T-shaped steel and the vertical plate side of the horizontal plate of the T-shaped steel are in surface contact,
The T-shaped steel is installed only on one outer surface side of a pair of outer surface sides facing each other of the structural material,
The T-shaped steel is installed in a state where the horizontal plate is in surface contact with one outer surface of the structural member, and the vertical plate is sandwiched between the opposing surface of one wooden structural member and the opposing surface of the other wooden structural member. is,
A plate material is sandwiched between the facing surface of one wooden structural member and the facing surface of the other wooden structural member on the other outer surface side of the structural member,
A structural member characterized in that a gap is provided between the lower end of a vertical plate of T-shaped steel and the plate material . 3. A structural member according to claim 1 or 2, characterized in that the transverse plate of T-shaped steel is fixed to one wooden structural member and the other wooden structural member by fixing members. The joining means is
a through hole for inserting a connecting shaft provided so as to be continuous across one wooden structural member, the metal plate, and the other wooden structural member;
a connecting shaft inserted into the through-hole for connecting shaft insertion;
Nuts that are fastened to threaded portions formed on both ends of the connecting shaft protruding from both ends of the connecting shaft insertion through-hole to fix the connecting shaft to the connecting shaft insertion through-hole. A structural member according to any one of claims 1 to 3 .

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