Building materials and building structures

A lightweight wooden shaft unit reinforced with metal fasteners enhances the structural strength and ease of installation of RC and SRC members, addressing the weight and complexity issues of existing reinforcement methods.

JP2026103700APending Publication Date: 2026-06-24FUJITA CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
FUJITA CO LTD
Filing Date
2024-12-12
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Existing seismic reinforcement methods for RC and SRC members, such as those involving steel plates and carbon fiber sheets, face challenges with weight and installation complexity, particularly as dimensions increase.

Method used

A lightweight wooden shaft unit is joined to RC or SRC members via metal fasteners, forming a wooden axial member unit that enhances tensile, bending, and shear strength, while suppressing out-of-plane buckling, and can be easily installed.

Benefits of technology

The wooden shaft unit increases the structural strength of RC and SRC members, improves manufacturability, and allows for easy installation and repair, while maintaining aesthetic appeal.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide building components in which RC (reinforced concrete) or SRC (steel-reinforced concrete) members are reinforced with lightweight, easy-to-install, and highly reinforcing members, and to provide building structures that incorporate some or all of these building components. [Solution] A wooden axial member unit 50, consisting of a plurality of wooden connecting pieces 51 and a plurality of wooden axial members 53, 54 extending in an oblique direction, a vertical or horizontal direction, or a vertical, horizontal, or diagonal direction, which are joined to each wooden connecting piece 51 via a first metal fastener 61, is joined to the entire surface or part of the side surface 31 of an RC member 30 via a second metal fastener 63 that penetrates the wooden connecting pieces 51 to form a building member 30A.
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Description

Technical Field

[0005]

[0001] The present invention relates to building members and building structures.

Background Art

[0002] In recent years, with the increasing demand for reducing the environmental impact and the active efforts towards environmental consideration, in the construction field, technological development for effectively utilizing wood materials has been actively carried out. In wooden buildings, hybrid buildings of wood and steel or concrete, etc., various building members such as beams, columns, walls, and floors are formed of wood materials. Wood materials are lighter than steel frames and concrete, etc., have a high specific strength, are excellent in workability, and in addition, have high heat insulation, a humidity conditioning effect, and further have an aesthetic design property created by natural materials. Due to being natural materials, they have a small carbon dioxide emission amount and a high effect of reducing the environmental impact load.

[0003] By the way, in order to increase the strength of members such as columns made of RC (Reinforced Concrete) and improve their seismic performance, methods such as surrounding the columns with steel plates or carbon fiber sheets are applied. Among these, in the construction method of surrounding with steel plates, due to the large weight of the steel plates, there are problems in the hoisting and assembling properties at the site. As the dimensions of the columns and the like increase and the dimensions of the steel plates surrounding them increase, this problem becomes more prominent. <00​​​​​​Here, Patent Document 1 proposes a method for seismically reinforcing existing columns. This seismic reinforcing method involves applying a resin adhesive to the outer circumference of an existing concrete column, adhering multiple steel plates shaped according to the cross-sectional shape of the concrete column to the applied surface to surround the concrete column, and then attaching a carbon fiber sheet across the outside of the joints between the steel plates. [Prior art documents] [Patent Documents]

[0006] [Patent Document 1] Japanese Patent Application Publication No. 9-96113 [Overview of the project] [Problems that the invention aims to solve]

[0007] The seismic reinforcement method for existing columns described in Patent Document 1 involves the application of both steel plates and carbon fiber sheets as reinforcing members, and therefore inherently contains both of the aforementioned problems.

[0008] This invention has been made in view of the above problems, and aims to provide a building member in which an RC (reinforced concrete) member or an SRC (Steel Reinforced Concrete) member is reinforced by a lightweight, easy-to-install, and highly reinforcing member, and a building structure that incorporates some or all of these building members. [Means for solving the problem]

[0009] To achieve the above objective, one embodiment of the building member according to the present invention is: A wooden shaft unit is characterized in that it is joined to the entire surface or part of the side surface of an RC member or an SRC member via a second metal fastener that penetrates the wooden shaft, and the wooden shaft unit consists of a plurality of wooden connecting pieces and a plurality of wooden shaft members extending in an oblique direction, a longitudinal or transverse direction, or a longitudinal or transverse diagonal direction, which are joined to each wooden connecting piece via a first metal fastener.

[0010] According to this embodiment, a wooden axial member unit, consisting of multiple wooden connecting pieces and multiple wooden axial members extending diagonally, vertically and horizontally, or vertically, horizontally, and diagonally, which are joined to each wooden connecting piece, is joined to the entire surface or part of the side surface of an RC (reinforced concrete) member or a SRC (steel-reinforced concrete) member. As a result, the tensile strength, bending strength, and shear strength of the building member can be increased by the lightweight and easy-to-install wooden axial member unit, thereby forming a building member with increased strength. Furthermore, by joining the wooden connecting pieces that form the wooden axial member unit to the RC or SRC member via a second metal fastener, out-of-plane buckling of the wooden axial member unit can be suppressed.

[0011] Furthermore, by joining the wooden intermediary piece forming the wooden shaft unit with the wooden shaft itself using a first metal fastener, and joining the wooden intermediary piece forming the wooden shaft unit with the RC or SRC member using a second metal fastener, the manufacturability of the wooden shaft unit can be improved, increasing the joint strength between the wooden intermediary piece and the wooden shaft, and the ease of attaching the wooden shaft unit to the RC or SRC member can be improved, increasing the joint strength between both.

[0012] Furthermore, by attaching a wooden frame unit to part or all of the side surface of an RC (reinforced concrete) or SRC (steel-reinforced concrete) member, it is possible to create a building component with excellent aesthetic design.

[0013] Here, "wooden structural units are joined to all or part of the side surface of an RC or SRC member" means, for example, in the case of a plate-shaped RC or SRC member, that wooden structural units are joined to one or both of a pair of wide surfaces, and in the case of an axial RC or SRC member, that wooden structural units are joined to the entire side surface, and wooden structural units are joined to the part of the side surface that particularly needs to be reinforced.

[0014] Furthermore, in another embodiment of the building member according to the present invention, The aforementioned multiple wooden framing members intersect in an X-shape, a cross shape, a T-shape, or a combination thereof. The structure is characterized in that two relatively short second wooden members are joined to a relatively long first wooden member via a third metal fastener.

[0015] According to this embodiment, two relatively short second wooden slats intersect a relatively long first wooden slat in an X-shape, cross-shape, or T-shape and are joined to each other via a third fastener, thereby improving the manufacturability of the wooden slat unit and increasing the joint strength between the intersecting wooden slats.

[0016] Furthermore, in another embodiment of the building member according to the present invention, The building component is characterized by being one of the following: a column, a beam, a wall, or a floor.

[0017] According to this embodiment, by having the building member be a column, beam, wall, or floor, a highly load-bearing building member can be formed in which typical RC (reinforced concrete) or SRC (steel-reinforced concrete) members constituting the building are reinforced by a timber frame unit.

[0018] Here, for example, columns and beams can have timber frame units attached to their entire circumference, such as RC (reinforced concrete) or SRC (steel-reinforced concrete) members, and walls and floors can have timber frame units attached to one or both of their pair of wide surfaces.

[0019] For example, when a wooden frame unit, which has multiple wooden frame members extending diagonally, is attached to the wide surface of an RC (reinforced concrete) or SRC (steel-reinforced concrete) member that forms a wall, the wooden frame unit functions as a brace (wooden brace). If the frame deforms during an earthquake and the wooden frame unit, which acts as a wooden brace, is damaged by bearing the seismic force, the damaged wooden frame unit can be easily removed and a new wooden frame unit installed to carry out the repair.

[0020] Furthermore, in another embodiment of the building member according to the present invention, The RC member or SRC member is a precast RC member or a precast SRC member.

[0021] According to this aspect, since the RC member or SRC member is a precast RC member or a precast SRC member, the workability of manufacturing the building member is improved whether the attachment of the wooden shaft member unit to the RC member or SRC member is carried out at the factory or on site, and high-quality building members can be manufactured.

[0022] Also, in another aspect of the building member according to the present invention, The first fastener, the second fastener, and the third fastener are either a metal rod for GIR joint or a bolt and nut for tension bolt joint.

[0023] According to this aspect, since each fastener is either a metal rod for GIR (Glued in Rod) joint or a bolt and nut for tension bolt joint, each joint of the wooden relay piece and the wooden shaft member, between the wooden shaft members, and between the wooden relay piece and the RC member or SRC member can be firmly joined at as few joint locations as possible.

[0024] Also, one aspect of the building structure according to the present invention is A building structure is formed by a pair of columns that are RC members or SRC members, and upper and lower beams that are a pair of RC members or SRC members that are horizontally supported by the pair of columns. A wall that is an RC member is formed inside the structure, and a floor that is an RC member is supported by the structure. In this building structure, a wooden shaft member unit composed of a plurality of wooden relay pieces and a plurality of wooden shaft members extending in an oblique direction or in a vertical and horizontal direction that are joined to each wooden relay piece via a metal first fastener is joined to the entire surface or a part of the side surface of all or part of the RC member or SRC member via a metal second fastener that penetrates the wooden relay piece.

[0025] According to this embodiment, in a building structure comprising columns and beams made of RC or SRC members, and walls and floors made of RC members, a timber frame unit is joined to all or part of the sides of all or part of the RC or SRC members. This allows the tensile strength, bending strength, and shear strength of the building members to be increased by the lightweight and easy-to-install timber frame unit, thereby forming a building structure with increased structural strength due to the high-strength building members.

[0026] Furthermore, for example, when retrofitting timber frame units to existing RC or SRC members such as columns, beams, and walls that form an existing building structure for the purpose of seismic reinforcement, applying lightweight timber frame units with excellent transportability and installation capabilities can improve the workability of seismic reinforcement.

[0027] Furthermore, in other embodiments of the building structure according to the present invention, The aforementioned multiple wooden framing members intersect in an X-shape, a cross shape, a T-shape, or a combination thereof. The structure is characterized in that two relatively short second wooden members are joined to a relatively long first wooden member via a third metal fastener.

[0028] According to this embodiment, two relatively short second wooden slats intersect a relatively long first wooden slat in an X-shape, cross-shape, or T-shape and are joined to each other via a third fastener, thereby improving the manufacturability of the wooden slat unit and increasing the joint strength between the intersecting wooden slats.

[0029] Furthermore, in other embodiments of the building structure according to the present invention, The aforementioned RC member or SRC member is characterized by being a precast RC member or a precast SRC member.

[0030] According to this embodiment, since the RC member or SRC member is a precast RC member or precast SRC member, the manufacturability of the building member is improved whether the attachment of the timber frame unit to the RC member or SRC member is performed at the factory or on site, and a building structure equipped with high-quality building members can be constructed with efficient workability.

[0031] Furthermore, in other embodiments of the building structure according to the present invention, The first fastener, the second fastener, and the third fastener are, It is characterized by being either a metal rod for GIR joints or a bolt and nut for tension bolt joints.

[0032] According to this embodiment, since each fastener is either a metal rod for GIR joining or a bolt and nut for tension bolt joining, the joints between the wooden connecting piece and the wooden shaft, between the wooden shafts, and between the wooden connecting piece and the RC or SRC member can be firmly joined with as few joints as possible. [Effects of the Invention]

[0033] As can be understood from the above explanation, the present invention provides building members and building structures in which RC members or SRC members are reinforced by lightweight, easy-to-install, and highly reinforcing members, and building structures that incorporate some or all of these building members. [Brief explanation of the drawing]

[0034] [Figure 1] This is a perspective view of an example of a building structure according to the embodiment, seen from the outside at an oblique angle above. [Figure 2] Figure 1 is a perspective view of an example of a building structure, seen from the inside at an oblique angle below. [Figure 3] Figure 1 is a front view of an example of a building structure, in which the first fastener, second fastener, and third fastener are clearly visible. [Figure 4A]This is a process diagram showing an example of a method for manufacturing a wall, which is an example of a building component according to the embodiment. [Figure 4B] Following Figure 4A, this is a process diagram showing an example of a method for manufacturing a wall, which is an example of a building component according to the embodiment. [Figure 4C] Following Figure 4B is a process diagram showing an example of a method for manufacturing a wall, which is an example of a building component according to the embodiment. [Figure 5A] This is a front view of another example of a beam, which is another example of a building component according to the embodiment. [Figure 5B] This is a front view of yet another example of a beam, which is another example of a building component according to the embodiment. [Figure 5C] This is a front view of yet another example of a beam, which is another example of a building component according to the embodiment. [Figure 6A] This is a front view of an example of a column, which is yet another example of a building component according to the embodiment. [Figure 6B] This is a front view of yet another example of a column, which is yet another example of a building component according to the embodiment. [Modes for carrying out the invention]

[0035] The building components and building structures according to the embodiment will be described below with reference to the attached drawings. In this specification and drawings, substantially identical components may be denoted by the same reference numerals to avoid redundant explanations.

[0036] [Building components and building structures according to the embodiment] An example of a building member and building structure according to the embodiment will be described with reference to Figures 1 to 6. Here, Figure 1 is a perspective view of an example of a building structure according to the embodiment, seen from the outside at an oblique angle above; Figure 2 is a perspective view of the example of the building structure shown in Figure 1, seen from the inside at an oblique angle below; and Figure 3 is a front view of the example of the building structure shown in Figure 1, in which the first fastener, second fastener, and third fastener are clearly visible. Furthermore, Figures 4A to 4C are process diagrams showing an example of a method for manufacturing a wall, which is an example of a building member according to the embodiment; Figures 5A to 5C are both front views of another example of a beam, which is another example of a building member according to the embodiment; and Figures 6A and 6B are both front views of an example of a column, which is yet another example of a building member according to the embodiment.

[0037] The building structure 100 shown in Figure 1 has an RC structure in which RC members 30 forming walls and RC members 40 forming floors are joined to a frame formed by the mutual joining of RC members 10 forming multiple columns and RC members 20 forming multiple beams. Here, RC members 10 and 20 may be made of SRC. In addition, in the case of a structure in which the columns are made of RC members, the beams are made of S (Steel), there are no walls, and braces made of CLT (Cross Laminated Timber) or the like are joined to the columns, building members 10A, 10B (see Figures 6A and 6B), etc. may be applied to the columns.

[0038] The width t1 of the RC member 10 is set to be greater than the width t2 of the RC member 20, and the width t2 of the RC member 20 is set to be greater than the thickness of the RC member 30. The width center of the RC member 20 and the thickness center of the RC member 30 are positioned relative to the width center of the RC member 10 and joined together. Therefore, steps 33 and 34 are provided at the joints between the outer edges of the wide surfaces 31 and 32 on both the outdoor and indoor sides of the RC member 30 and the RC members 10 and 20, respectively. Here, the RC members 20 and 30 may be positioned eccentrically with respect to the RC member 10, and in this configuration as well, steps 33 and 34 are provided at the joints.

[0039] In the examples shown in Figures 1 and 2, wooden frame unit 50 is attached to the entire wide surfaces 31 and 32 on both the outdoor and indoor sides of the RC member 30, the entire outdoor side surface 21 of the RC member 20, and the entire bottom surface 41 of the RC member 40, respectively.

[0040] Although not shown in the diagram, wooden timber units may also be attached to the two outdoor side surfaces 11 of the RC member 10, or, in the case of the RC member 30, wooden timber units may be attached only to the wide outdoor surface 31. Furthermore, instead of attaching wooden timber units to the entire surface 21 of the RC member 20, wooden timber units may be attached only to the areas near both ends or the central area where bending strength, shear strength, etc., are required.

[0041] Thus, there are various forms in which the timber structural unit 50 is attached to multiple types of building members, such as a form in which all of the RC members 10, 20, 30, and 40 that form the building members which are components of the building structure 100 have timber structural units 50 over the entire area of ​​their sides; a form in which the timber structural unit 50 is attached to a part of the side of all building members; a form in which some building members (for example, only RC member 30, only RC members 20 and 30, etc.) have timber structural units 50 over the entire area of ​​their sides; and a form in which the timber structural unit 50 is attached to a part of the side of some building members.

[0042] The wooden shaft unit 50 shown in Figures 1 to 3 has a plurality of wooden connecting pieces 51 and a plurality of diagonally extending wooden shafts 53, 54 which are joined to each wooden connecting piece 51 via a first metal fastener 61.

[0043] The intersecting wooden framing members 53 and 54 are joined to the relatively longer first wooden framing member 53 by the two relatively shorter second wooden framing members 54 via a third metal fastener 65.

[0044] Figure 3 shows the first fastener 61, second fastener 63, and third fastener 65 of the wall 30A, which is a building component, in a visible manner. However, in reality, the fasteners, including the end of the second fastener 63 that joins the wooden connecting piece 51 and the RC member 30, are embedded inside the wooden framing unit 50 and are not visible, although a part of them may be visible. Also, in Figure 3, only the fasteners 61, 63, and 65 of the wall 30A are shown, and the fasteners of the beam 20A are not shown.

[0045] The second metal fastener 63 penetrates the wooden connecting piece 51 and extends to the side surface 21 of the RC member 20 and the wide surface 31,32 of the RC member 30, thereby joining the wooden axial unit 50 to the RC members 20,30, and forming building members 20A (beams) and 30A (walls) which are formed by the RC members 20,30 and the wooden axial unit 50.

[0046] In the illustrated example, the end face of the wooden connecting piece 51 at the end of the wooden frame unit 50 abuts against the step 33 between the RC member 10 and the RC member 30, and a separate second fastener 63 joins the two. Similarly, the end face of the wooden connecting piece 51 at the end of the wooden frame unit 50 abuts against the step 34 between the RC member 20 and the RC member 30, and a separate second fastener 63 joins the two.

[0047] Here, the wood intermediary pieces 51 and wood timbers 53 and 54 that form the wood timber unit 50 can be made of laminated timber, solid wood, structural plywood, cross-laminated timber (CLT), nail-laminated timber (NLT), dowel-laminated timber (DLT), laminated veneer lumber (LVL), etc.

[0048] Furthermore, metal rods for GIR joining and bolts and nuts for tension bolt joining can be applied as the first fastener 61, second fastener 63, and third fastener 65, and building members 20A, 30A, and 40A are manufactured by GIR joining and tension bolt joining, which are formed from RC members 20, 30, and 40 and wooden frame unit 50.

[0049] While other fasteners such as screws, nails, staples, and units of steel plates and drift pins (where a perforated steel plate fixed to the other object to be joined is inserted into a slit in one object to be joined, and a drift pin is inserted into the hole in the steel plate to join the objects) may be used for the first fastener 61, the second fastener 63, and the third fastener 65, the joining strength per location can be increased by using metal rods for GIR joining and bolts and nuts for tension bolt joining, which leads to a reduction in the number of fasteners.

[0050] As shown in Figure 2, in the RC member 40, a wooden frame unit 50 is attached to its lower surface 41 to form a building member 40A (floor).

[0051] Each of the RC members 10, 20, 30, and 40 may be a precast RC member, or it may be a site-constructed member that is installed by pouring concrete on site.

[0052] If each of the RC members 10, 20, 30, and 40 is a precast RC member, the timber frame unit 50 may also be pre-installed at a factory or the like, so the entire building component may be a precast member, or the timber frame unit 50 may be a component that is installed on-site.

[0053] Furthermore, the building structure 100 may be a newly constructed structure, or each RC member may be an existing member, and the wooden frame unit 50 may be a structure that is later constructed as a seismic reinforcement member or the like.

[0054] Here, with reference to Figures 4A to 4C, an example of a method for attaching a wooden frame unit 50 to an RC member 30 in a post-construction manner will be described.

[0055] As shown in Figure 4A, multiple fastening holes 35 are constructed so as to penetrate between a pair of wide surfaces 31 and 32 of the RC member 30.

[0056] On the other hand, as shown in Figure 4B, when manufacturing the wooden frame unit 50 in a factory or the like, fastening holes 58 are also provided in each wooden connecting piece 51. That is, when the wooden frame unit 50 that has been transported to the site is aligned with the wide surface 31 of the RC member 30 at the site, the corresponding fastening holes 35 and 58 on both sides are formed so that they are aligned.

[0057] As shown in Figure 4C, the timber frame unit 50, which has been transported to the site, is aligned with the wide surface 31 of the RC member 30, and the RC member 30 and the timber frame unit 50 are joined by inserting the second fastener 63 through the corresponding fastener holes 35 and 58 on both sides. In addition, at the steps 33 and 34, which are not shown in Figure 4C, the timber connecting pieces 51 at the ends of the timber frame unit 50 are joined to the columns 10 and beams 20 via separate second fasteners 63, thereby constructing the wall 30A, which is a building component.

[0058] In the illustrated example of the building structure 100, a timber axial unit 50, consisting of a plurality of timber connecting pieces 51 and a plurality of diagonally extending timber axial members 53, 54 joined to each timber connecting piece 51, is joined to the entire surface of the side surfaces 21 and wide surfaces 31, 32, 41 of the RC members 20, 30, 40. As a result, the lightweight and easy-to-install timber axial unit 50 can increase the tensile strength, bending strength, and shear strength of the building members 20A, 30A, 40A, thereby forming a building structure 100 with increased structural strength due to the high-strength building members 20A, 30A, 40A.

[0059] Furthermore, by joining the wooden connecting pieces 51 that form the wooden axial unit 50 to the RC members 20, 30, and 40 via the second metal fasteners 63, out-of-plane buckling of the wooden axial unit 50 can be suppressed.

[0060] Furthermore, since the wooden connecting piece 51 forming the wooden shaft unit 50 and the wooden shafts 53 and 54 are joined by a first metal fastener 61, and the wooden connecting piece 51 forming the wooden shaft unit 50 and the RC members 20, 30, and 40 are joined by a second metal fastener 63, the manufacturability of the wooden shaft unit 50 can be improved and the joint strength between the wooden connecting piece 51 and the wooden shafts 53 and 54 can be increased, and the ease of attaching the wooden shaft unit 50 to the RC members 20, 30, and 40 can be improved and the joint strength between them can be increased.

[0061] Furthermore, by attaching the wooden frame unit 50 to part or all of the side surfaces 21 or wide surfaces 31, 32, 41 of the RC members 20, 30, 40, it is possible to form building members 20A, 30A, 40A with excellent appearance and design, thereby improving the appearance and design of the building structure 100.

[0062] Next, with reference to Figures 5A to 5C, other examples of beams, which are building components according to the embodiment, will be described, and with reference to Figures 6A and 6B, an example of a column, which is a building component according to the embodiment, will be described.

[0063] The beam 20A, a building component shown in Figure 5A, is formed by connecting multiple wooden connecting pieces 51 arranged at intervals in the horizontal direction with a wooden axial member 55 extending in the horizontal direction, thereby creating a wooden axial member unit 50A. This wooden axial member unit 50A is attached to the upper and lower sides 21 of the RC member 20.

[0064] On the other hand, the beam 20B, which is a building component shown in Figure 5B, has a form in which a separate wooden axial member 56 extending in the vertical direction connects wooden connecting pieces 51 that are in an upper and lower positional relationship in the wooden axial member unit 50A shown in Figure 5A.

[0065] Furthermore, the beam 20C, which is a building component shown in Figure 5C, has a form in which a wooden structural member unit 50C is formed by connecting diagonally opposite wooden connecting pieces 51 with a first wooden structural member 53 and a second wooden structural member 54 in the wooden structural member unit 50B shown in Figure 5B.

[0066] Thus, wooden frame units come in various forms, each featuring multiple wooden frame members extending diagonally, vertically, horizontally, or diagonally.

[0067] Figure 5B shows multiple configurations in which each member intersects in a T-shape, with one wooden connecting piece 51, wooden shaft members 55 to its left and right, and a wooden shaft member 56 below it.

[0068] Furthermore, Figure 5C shows multiple configurations in which each member intersects in an X shape, with four wooden connecting pieces 51 and one first wooden axial member 53 and two second wooden axial members 54 connecting them.

[0069] Although not shown in the diagram, the configuration may also include multiple instances where two horizontally extending wooden axial members are joined to a single wooden connecting piece, and two vertically extending wooden axial members are joined to that piece, resulting in each member intersecting in a cross shape.

[0070] The column 10A, a building component shown in Figure 6A, is configured such that a vertical unit is formed by connecting multiple wooden connecting pieces 51 arranged at intervals in the vertical direction with a wooden axial member 56 extending in the vertical direction. Two sets of these vertical units are provided at intervals in the horizontal direction, and the corresponding wooden connecting pieces 51 of each vertical unit are connected with a wooden axial member 55 extending in the horizontal direction. Furthermore, a wooden axial member unit 50D is formed by connecting diagonally opposite wooden connecting pieces 51 with a first wooden axial member 53 and a second wooden axial member 54, and this wooden axial member unit 50D is attached to the entire side surface 11 of the RC component 10.

[0071] When the RC member 10 has four sides 11, for example, the wooden frame unit 50D may be attached to all of the sides 11, or the wooden frame unit 50D may be attached to the two sides 11 that face outdoors.

[0072] On the other hand, the column 10B, which is a building component shown in Figure 6B, has two rows of vertical units consisting of multiple wooden connecting pieces 51 arranged at intervals in the vertical direction. A wooden axial unit 50E is formed by connecting the diagonally opposite wooden connecting pieces 51 with a first wooden axial member 53 and a second wooden axial member 54, and this wooden axial unit 50E is attached to the two sides 11 that face the outside.

[0073] In this way, by attaching various types of wooden frame units to all or part of the sides of RC members 10, 20, etc., it is possible to manufacture building members that have various appearance designs and are suitably reinforced in terms of strength.

[0074] Other embodiments may be used in which other components are combined with the configurations listed in the above embodiments, and the present invention is not limited in any way to the configurations shown herein. In this regard, modifications can be made without departing from the spirit of the present invention, and can be appropriately determined according to the application form. [Explanation of Symbols]

[0075] 10:RC parts 10A, 10B: Column (building component) 11: Side view 20: RC parts 20A, 20B, 20C: Beam (building component) 21: Side view 30: RC parts 30A: Floor (building material) 31,32: Wide surface (side view) 33,34: Step 35: Fastener hole 40:RC parts 40A: Floor (building material) 41: Wide surface 50: Wood-framed unit 51: Wood relay piece 53: 1st wood shaft material (wood shaft material) 54:Second wood shaft material (wood shaft material) 58: Fastener hole 61: First fastener (fastener) 63: Second fastener (fastener) 65: Third fastener (fastener) 100: Architectural structure

Claims

1. A building component characterized in that a wooden axial unit, comprising a plurality of wooden connecting pieces and a plurality of wooden axial members extending diagonally, vertically and horizontally, or vertically, horizontally and diagonally, and joined to each wooden connecting piece via a first metal fastener, is joined to the entire surface or part of the side surface of an RC member or an SRC member via a second metal fastener that penetrates the wooden connecting pieces.

2. The aforementioned multiple wooden framing members intersect in an X-shape, a cross shape, a T-shape, or a combination thereof. The building component according to claim 1, characterized in that two relatively short second wooden members are joined to a relatively long first wooden member via a third metal fastener.

3. The building member according to claim 1 or 2, characterized in that the building member is one of a column, beam, wall, or floor.

4. The building member according to claim 3, characterized in that the RC member or SRC member is a precast RC member or a precast SRC member.

5. The first fastener, the second fastener, and the third fastener are, The building component according to claim 2, characterized in that it is either a metal rod for GIR joining or a bolt and nut for tension bolt joining.

6. In a building structure in which a frame is formed by a pair of columns made of reinforced concrete (RC) or steel-reinforced concrete (SRC) members, and a pair of beams made of RC or SRC members, namely an upper beam and a lower beam, which are horizontally connected to the pair of columns, and walls made of RC members are formed inside the frame, and a floor made of RC members is supported by the frame, A building structure characterized in that a wooden axial unit, comprising a plurality of wooden connecting pieces and a plurality of wooden axial members extending diagonally or vertically and horizontally, joined to each wooden connecting piece via a first metal fastener, is joined to all or part of the entire side surface of the RC member or SRC member via a second metal fastener that penetrates the wooden connecting pieces.

7. The aforementioned multiple wooden framing members intersect in an X-shape, a cross shape, a T-shape, or a combination thereof. The building structure according to claim 6, characterized in that two relatively short second wooden structural members are joined to a relatively long first wooden structural member via a third metal fastener.

8. The building structure according to claim 6 or 7, characterized in that the RC member or SRC member is a precast RC member or a precast SRC member.

9. The first fastener, the second fastener, and the third fastener are, The building structure according to claim 7, characterized in that it is either a metal rod for GIR joining or a bolt and nut for tension bolt joining.