JP5641456B2 - Building material connection structure - Google Patents

Description

  The present invention relates to a connection structure for building materials such as column beams.

  As for the connection structure of building materials such as pillars and beams, as described in the following patent document 1 as well as the following patent document 1 filed by the applicant, the connection structure of building materials using steel fittings and drift pins. Exists.

Japanese Patent Application No. 2008-150382 Japanese Patent Laid-Open No. 07-150644

  By the way, in this technical field, there is a remarkable problem of craftsmanship or lack of technology, and simplification and rationalization of construction methods and the like are desired.

  It is extremely important to reduce reliance on professionals such as craftsmen, eliminate variations in accuracy, and maintain stable quality.

  Therefore, the present invention basically aims to solve a shortage of craftsmen or technology by presenting a simple and rational building structure.

The present invention provides a steel column member (20) formed by joining a column member (21) having an H cross section and a column member (22) having a T cross section, and the column member via a connecting means (4). A wooden beam member (30) connected to (20), and at least one plate (6) is interposed between the column member (20) and the beam member (30). The building material connection is such that the area of the end face of the plate facing the side end face (32) in the longitudinal direction of the beam member (30) is smaller than the area of the side end face (32) in the longitudinal direction of the beam member (30). Structure.

Also, a steel column member (20) formed by joining a column member (21) having an H-shaped section and a pair of column members (22, 22) having a T-shaped section, and a connecting means (4). A wooden beam member (30) connected to the column member, and at least one plate (6) is interposed between the column member (20) and the beam member (30). The building material connection is such that the area of the end face of the plate facing the side end face (32) in the longitudinal direction of the beam member (30) is smaller than the area of the side end face (32) in the longitudinal direction of the beam member (30). Structure.

Further , a steel plate plate (5) is interposed between the beam member (30) and the plate (6), and an end face of the plate (6) facing the steel plate plate (5). However, it can be made smaller than the area of the end surface of the steel plate plate (5) facing the plate (6).

In addition, the vertical dimension (Z direction) of the end surface of the steel plate plate (5) facing the side end surface (32) in the longitudinal direction of the beam material (30) is the longitudinal length of the beam material (30). It can be made longer than the vertical dimension (Z direction) of the side end face (32) in the direction .

Moreover, the said plate (6) can each be provided in the vertical direction (Z direction) both ends vicinity of the end surface of the said steel plate plate (5) facing the said plate.

The column member (21) having an H-shaped section includes a pair of opposed plate portions (211 and 212) facing each other and a connecting plate portion (213) that couples the opposed plate portions (211 and 212). The T-shaped column member (22) is composed of a base end plate portion (221) joined to the connecting plate portion (213) of the column member (21) and a tip end plate portion (222). 211, 212) may be formed with a through hole (215) for connecting means. One end of the base end plate portion (221) is welded to one side surface of the coupling plate portion (213) of the column member (21). The proximal end plate portion (221) is welded in a direction orthogonal to the width direction of the coupling plate portion (213). Further, one end of one base end plate portion (221) is welded to one side surface of the coupling plate portion (213) of the column member (21), and the other side surface of the coupling plate portion (213) of the column member (21). In addition, one end of the other base end plate portion (221) can be welded. The column member (21) having an H-shaped section includes a pair of opposed plate portions (211 and 212) facing each other and a connecting plate portion (213) that couples the opposed plate portions (211 and 212). The T-shaped column member (22) includes a proximal end plate portion (221) joined to the connecting plate portion (213) of the column member (21) and a distal end plate portion (222). 222) may be formed with through holes for connecting means.

  The present invention eliminates craftsmen or technical shortages by adopting a simple and rational building material connection structure and a building structure using the structure.

Building plan using an embodiment of the present invention Fig. 1 is a partially enlarged view. Exploded perspective view of Example 1 Assembly side sectional view of FIG. Assembly side sectional view showing another embodiment of Example 1 Assembly side sectional view showing another embodiment of Example 1 Exploded perspective view of Example 2 FIG. 7 is an assembled side sectional view. Exploded perspective view of Example 3 Assembly side sectional view of FIG. Exploded perspective view of Example 4 Assembly side sectional view of FIG. Exploded perspective view of Example 5 Assembly side sectional view of FIG. Diagram showing conventional technology

  The feature of this embodiment is that, by adopting the column members 20A and 20B, which are steel-assembled column members, in the column part of the wooden frame construction method, for example, compared to the structure using the column column C shown in FIG. It is characterized in that the interior space of the building can be used effectively. Another advantage is that the advantages of wooden buildings, such as few module restrictions and significant costs, are combined with the advantages of iron, such as tenacity. Since there are few restrictions on modules, it can be used for a wide range of buildings, from extremely small entrance houses to large-scale residential buildings. In addition, various floor plans can be realized even for daylighting requirements since structural structural limitations are small. Furthermore, it is very effective for maintaining the building strength and ensuring the safety of residents. In addition, it is also characterized in that it is made into a steel unit assembling column based on H-shaped steel and CT steel, thereby making it a material unit and saving labor for on-site construction. Hereinafter, the structure of each embodiment will be described.

Example 1
1 to 4 show a basic form of the first embodiment.

  FIG. 1 is a plan view of a building adopting the building structure of the first embodiment, in which 10 is a building outer wall material such as siding, 11 is a ventilation waterproof sheet, and 12 is a heat insulating material such as glass wool. , 13 are internal members such as a gypsum board. These are general construction structures and are not particularly limited.

  In the figure, 20 (20A, 20B) is a pillar material made of a steel material, which is the main part of the present invention. Hereinafter, the column members 20A and 20B will be described in detail. In FIG. 2, the members adjacent to the column members 20A and 20B are auxiliary wood.

(Column 20A)
As shown in FIG. 2 (a), the column member 20A is a column member disposed at a corner of a building plane, and is a column member 21 having an H-shaped cross section that is a steel material mainly formed by hot rolling, This is a column material formed by welding a column member 22 having a T-shaped cross section manufactured by cutting the column member 21 having an H-shaped cross section.

  The column member 21 having an H-shaped cross section is a pair of steel plates that are opposed to each other in parallel at a predetermined interval. It is comprised with the connection board part (web) 213 which is.

  Specifically, as shown in FIG. 2, the pair of opposed plate portions (flanges) 211 and 212 that constitute the standing H-shaped column member 21 are in the X direction of the building plane (left and right direction in FIG. 2). A pair of opposing plate portions (flanges) 211 and 212 that face each other in parallel with a predetermined interval and extend in the Y direction (vertical direction in FIG. 2).

  The connecting plate portion (web) 213 has one end in the X direction joined to the center position of the opposing plate portion 211 in the Y direction width, and the other end joined to the center position of the opposing plate portion 212 in the Y direction width. The connecting plate portion (web) 213 extends in the X direction.

  The T-shaped column member 22 is joined to the base plate 221 which is a steel plate portion whose one end is welded to the connecting plate 213 of the H-shaped column member 21 and the other end of the base plate 221. It is comprised with the front-end | tip board part 222 which is a steel plate part.

  Specifically, the base end plate portion 221 is obtained by welding one end in the Y direction to the side surface in the Y direction of the connecting plate portion (web) 213 and the other end of the base end plate portion 221 in the Y direction. A tip plate portion 222 extending in the X direction is configured.

(Column 20B)
Further, as shown in FIG. 2B, the column member 20B is manufactured by cutting the column member 21 having an H-shaped section, which is a steel material mainly formed by hot rolling, and the column member 21 having an H-shaped section. It is a column material formed by welding a pair of T-shaped column members 22 and 22 to be formed.

  Specifically, as shown in FIG. 2 (b), a pair of opposing plate portions (flanges) 211 and 212 constituting the upright H-shaped column member 21 are arranged in the X direction of the building plane (in FIG. 2). A pair of opposed plate portions (flanges) 211 and 212 that face each other in the left-right direction) at a predetermined interval and extend in the Y-direction (up-down direction in FIG. 2).

  The connecting plate portion (web) 213 has one end in the X direction joined to the center position of the opposing plate portion 211 in the Y direction width, and the other end joined to the center position of the opposing plate portion 212 in the Y direction width. The connecting plate portion (web) 213 extends in the X direction.

  The T-shaped column members 22, 22 are provided on the other end of the base plate 221 and the base plate 221, which is a steel plate portion whose one end is welded to the connecting plate 213 of the column H member 21. It is comprised with the front-end | tip board part 222 which is the joined steel plate part.

Specifically, the base end plate portion 221 is formed by welding one end in the Y direction to one side surface of the connecting plate portion (web) 213 in the Y direction. A distal end plate portion 222 extending in the X direction is joined to the other end of the proximal end plate portion 221 in the Y direction. Similarly, the other base end plate portion 221 is formed by welding one end in the Y direction to the opposite surface of one side surface of the connecting plate portion (web) 213 in the Y direction. A distal end plate portion 222 extending in the X direction is joined to the other end of the proximal end plate portion 221 in the Y direction.
As shown in FIG. 3, a plurality of through holes 215 are formed in the opposing plate portion 212 of the column member 20 (eight in the same figure). The diameter of the through hole 215 is smaller than the diameter of the bolt head 412 of the bolt 41. In FIG. 3, the through hole 215 is illustrated only in the counter plate portion 212, but a similar through hole can be formed in the tip plate portion 222 of the column member 22.

  As shown in FIG. 3, a stiffener plate 23, which is an L-shaped steel plate in plan view, is welded to the column member 20 in order to improve its strength.

  As shown in FIGS. 3 and 4, a substantially cylindrical convex portion 214 protruding outward is provided on the outer end surface of the opposing plate portion 212. As shown in FIG. 4, a male screw portion is formed on the outer surface of the base end portion of the convex portion 214. In addition, the opposing plate portion 212 is provided with a concave portion 212a in which a female screw portion is formed on the inner surface. The convex portion 214 is screwed and fixed to a female screw portion formed on the inner surface of the concave portion 212a.

(Connecting means 4 etc.)
Next, the connecting means 4 for connecting the column member 20 and the beam member 30 will be described.

  As shown in FIGS. 3 and 4, a plurality of lag screw bolts 40, which are connecting means 4, are embedded in a side surface 32 in the longitudinal direction of a wooden beam member 30 such as a laminated material or a solid material. Although not shown, a plurality of lag screw bolts 40 are also embedded on the opposite side surface.

  The lag screw bolt 40 is a joining tool in which a male screw part is formed on the outer surface of the shaft part 401 and a female screw part is formed on the inner side surface of the shaft end part 402 (the inner surface of the bolt hole). The lag screw bolt 40 is fixed in the wooden beam member 30 by a male screw portion formed on the outer surface of the shaft portion 401. The lag screw bolt 40 is embedded and fixed at positions facing the plurality of through holes 215 when the side surface 32 of the beam member 30 and the outer surface of the opposing plate portion 212 of the column member 20 are opposed to each other. The female screw portion formed on the inner surface of the shaft end portion 402 of the lag screw bolt 40 can be connected to the male screw portion 411 provided on the outer surface of the bolt 41.

  As shown in FIGS. 3 and 4, a concave portion 31 is formed on a side surface 32 of the wooden beam member 30. The concave portion 31 is fitted with a convex portion 214 provided on the counter plate portion 212 of the column member 20.

  Next, a method for connecting the wooden beam member 30 and the column member 20 will be described.

  As shown in FIGS. 3 and 4, the longitudinal side surface 32 of the beam member 30 and the outer side surface of the counter plate portion 212 of the column member 20 are brought into contact with each other, and the inner side direction of the through hole 215 of the counter plate portion 212 is changed to the outer side direction. The beam 41 and the column member 20 are connected to each other by inserting the bolt 41 toward the head and screwing the bolt 41 with the female screw formed inside the shaft end portion 402 of the lag screw bolt 40.

  Although not shown, it is possible to form a through hole in the front end plate portion 222 of the column member 20A in the same manner and connect it to a wooden beam member in which a lag screw bolt is embedded. The column member of the present embodiment is horizontally mounted in the Y direction with an opposing member 212 that is opposed to the X-direction end surface of the beam material that is horizontally mounted in the X direction and that is connected through connection means such as a lag screw bolt. It is possible to have a front end plate portion 222 that faces the Y-direction end face of the beam material and is connected via a connecting means such as a lag screw bolt, and at the corner of the building plane as shown in FIG. Be placed.

  Further, the column member 20B is horizontally mounted in the Y direction with an opposing plate portion 212 that is opposed to the end surface in the X direction of the beam member 30 that is horizontally mounted in the X direction and is connected through connection means such as a lag screw bolt. The end plate portion 222 joined to face the Y-direction end face of the beam material 30 and the Y-direction end face of the other beam material 30 horizontally mounted in the Y-direction and via connecting means such as a lag screw bolt. And the other tip member 222 connected to each other, and can be arranged at a position where the beam material is connected from three directions as shown in FIG. Needless to say, it is possible to form a through hole in the two opposing plate portion 211 of FIG. 2B and connect it to a wooden beam material in which a lag screw bolt is embedded. From. It can be placed at the position where the beam is connected.

  Note that the lag screw bolt 40 is not limited to the above-described number and structure, and may be a connector having a male screw portion outside the shaft portion and also having a male screw portion at the shaft end portion. In this case, a nut that connects the male screw at the shaft end is also used.

  Moreover, it is also possible to form a receiving metal fitting for holding the bottom surface of the beam member 30 from below on the column member 20 by welding or the like.

(Embodiment of FIG. 5)
FIG. 5 shows another embodiment of the connecting means, and only the lag screw bolt 40 and the bolt 41 are different from the first embodiment. This lag screw bolt 40 is formed by forming the diameter of the shaft end portion 403 relatively larger than that of the shaft portion 404. This is an embodiment in which the bolt 41 having a relatively large diameter and advantageous in strength can be used.

(Embodiment of FIG. 6)
FIG. 6 shows another embodiment of the connecting means, and the configurations of the through holes of the lag screw bolt 40, the bolt 41, and the counter plate portion 212 are different from those of the first embodiment. The lag screw bolt 40 and the bolt 41 are formed by forming a male screw portion 413a on the outer peripheral surface of the head portion 413 of the bolt 41 and forming a female screw portion 215a on the inner surface of the through hole 215 of the opposing plate portion 212. This is an embodiment in which both are screwed together.

(Example 2)
7 and 8 show the second embodiment.

  The difference from the first embodiment is that a plate 5, which is a steel plate, is interposed between the wooden beam member 30 and the column member 20.

  The plate 5 has a through hole 51 for a lag screw bolt. The through hole 51 is formed at a position corresponding to the position of each lag screw bolt 40 embedded in the beam member 30, and a female screw portion is formed on the inner side surface thereof.

  Further, through holes 52 are formed at the four corners of the plate 5, and the through holes 52 are formed at positions corresponding to the through holes 215 formed in the opposing plate portion 212 of the column member 20.

  A method for connecting the beam member 30 and the column member 20 will be described.

  As shown in FIGS. 7 and 8, the side end surface 32 in the longitudinal direction of the beam member 30 and the side surface of the plate 5 are opposed to each other, and the bolt 41 is inserted from the through hole 51 of the plate 5 toward the lag screw bolt 40. A male screw portion formed on the bolt shaft portion 411 and a female screw portion formed on the inner side of the shaft end portion 402 of the lag screw bolt 40 are screwed together, and a male screw portion formed on the bolt head portion 412; The beam member 30 and the plate 5 are connected by screwing a female screw part to the inner surface of the through hole 51.

  Next, the other side surface of the plate 5 and the opposing plate portion 212 of the column member 20 are brought into opposed contact with each other, and the bolts 42 are inserted from the inner side to the outer side of the through-holes 215 of the opposing plate portion 212. A nut 43 is screwed to the side via the plate 5, and the beam member 30 is connected to the column member 20.

Example 3
9 and 10 show the third embodiment.

  The difference from the second embodiment is that a wooden plate 6, which is a laminated material or a solid material, is interposed between a plate 5, which is a steel plate, and a pillar material 20.

  The wooden plate 6 corresponds to the position of the through hole 54 of the steel plate 5, and the through hole 61 is formed at a position corresponding to the through hole 215 of the opposing plate portion 212 of the column member 20.

  A method for connecting the beam member 30 and the column member 20 will be described. The side end surface 32 in the longitudinal direction of the beam member 30 and the side end surface of the steel plate 5 are brought into contact with each other, the bolt 41 is inserted into the through hole 53 for the lag screw of the plate 5, and the shaft end of the lag screw bolt 40 The beam member 30 and the plate 5 are connected to each other by screwing with a female screw formed inside the portion 402.

  Next, the wooden plate 6 is interposed between the opposite side surface of the plate 5 and the opposing plate portion 212 of the column member 20, and the bolt 42 is inserted into the through hole 215 of the opposing plate portion 212. The beam member 30 is connected to the column member 20 by interposing the plate 5 and the plate 6 and screwing the nut 43 to the front end side.

  Thereby, compared with the joining structure which consists only of steel members with a wooden plate 6, a brittle characteristic can be brought close to a toughness characteristic.

  The wooden plate 6 may be composed of a pair of upper and lower members as shown in FIG. 7, or may be composed of one member having a rectangular plate shape. The number of the wood plates 6 and the steel plates is not particularly limited as long as they are alternately stacked. In addition, by adopting a resin plate instead of the wooden plate 6, it is possible to approximate toughness characteristics.

Example 4
11 and 12 show a fourth embodiment, which uses a drift pin as a connecting means.

  As shown in FIG. 11, the column member 20 includes a column member 21 having an H-section and a column member 22 having a T-section, and is the same as that of the first embodiment.

  The column member 20 is provided with a protruding member 45 having an I-shaped cross section that constitutes a connection means by welding or the like. A plurality of through holes 451 for the drift pins 44 are formed in the projecting member 45 projecting from the outer surface of the opposing member 212 of the column member 21 having an H-shaped cross section.

  The beam member 30 is formed with slits 33 that are notched grooves. A projecting member 45 can be inserted into the slit 33. The beam member 30 has a plurality of through holes 34 for drift pins.

  A method for connecting the beam member 30 and the column member 20 will be described. The projecting member 45 is inserted into the slit 33, and the drift pin 44 is driven and fixed in a state in which the through hole 34 of the beam member 30 and the through hole 451 of the projecting member 45 are aligned with each other. And the column member 20 are connected.

(Example 5)
FIGS. 13 and 14 show a fifth embodiment, which uses a drift pin as a connection means.

  As shown in FIGS. 13 and 14, the column member 20 is the same as that of the first embodiment, and the beam member 30 is the same as that of the fourth embodiment.

  13 and 14, reference numeral 6 denotes a wooden rectangular plate having through holes 61 formed at four corners. Reference numeral 46 denotes connection means having a T-shaped cross section. The connection means 46 includes a base portion 47 that is a steel plate portion having through holes 471 at four corners, and a tip portion 48 that is a steel plate portion provided on the side end surface of the base portion 47 and having a plurality of through holes 481 for drift pins. Consists of.

  A method for connecting the beam member 30 and the column member 20 will be described. The bolt 42 and the nut 43 are fastened with the plate 6 being a wooden plate portion interposed between the side end surface of the base portion 47 of the connecting means 46 and the opposing plate portion 212 of the column member 20, and the three members Connect.

  Next, the tip end portion 48 is inserted into the slit 33, and the drift pin 44 is driven and fixed in a state where the through hole 34 of the beam member 30 and the through hole 481 of the tip end portion 48 are matched, thereby fixing the beam member 30. And the column member 20 are connected.

20 Column material 21 Column member with H-shaped cross section 22 Column member with T-shaped section 30 Beam material 4 Connection means

Claims (7)

A steel column member (20) formed by joining a column member (21) having an H-shaped section and a column member (22) having a T-shaped section, and the column member (20) via a connecting means (4). Connected wooden beams (30),
At least one plate (6) is interposed between the column member (20) and the beam member (30), and faces the side end surface (32) in the longitudinal direction of the beam member (30). The building material connection structure in which the area of the end surface of the plate is smaller than the area of the side end surface (32) in the longitudinal direction of the beam material (30). A steel column member (20) formed by joining a column member (21) having an H-shaped section and a pair of column members (22, 22) having a T-shaped section, and a column via a connecting means (4). A wooden beam member (30) connected to the member,
At least one plate (6) is interposed between the column member (20) and the beam member (30), and faces the side end surface (32) in the longitudinal direction of the beam member (30). The building material connection structure in which the area of the end surface of the plate is smaller than the area of the side end surface (32) in the longitudinal direction of the beam material (30).   A steel plate plate (5) is interposed between the beam member (30) and the plate (6), and an end surface of the plate (6) facing the steel plate plate (5) is The building material connection structure of Claim 1 or Claim 2 smaller than the area of the end surface of the said steel plate plate (5) facing the said plate (6). The vertical dimension of the end surface of the steel plate plate (5) facing the side end surface (32) in the longitudinal direction of the beam member (30) is the side end surface (32 in the longitudinal direction of the beam member (30)). The building material connection structure according to claim 3, which is longer than a vertical dimension of (). The building material connection structure according to claim 3 or 4, wherein the plate (6) is provided in the vicinity of both ends in the vertical direction of the end surface of the steel plate plate (5) facing the plate.   The column member (21) having an H-shaped cross section includes a pair of opposed plate portions (211 and 212) facing each other and a connecting plate portion (213) that couples the opposed plate portions (211 and 212). The column member (22) is composed of a base end plate portion (221) joined to the connecting plate portion (213) of the column member (21), and a tip end plate portion (222), and an opposing plate portion (211; The building material connection structure according to any one of claims 1 to 5, wherein a through hole (215) for connection means is formed in at least one of 212).   The column member (21) having an H-shaped cross section includes a pair of opposed plate portions (211 and 212) facing each other and a connecting plate portion (213) that couples the opposed plate portions (211 and 212). The column member (22) includes a proximal end plate portion (221) joined to the connecting plate portion (213) of the column member (21) and a distal end plate portion (222), and the distal end plate portion (222). The building material connection structure according to any one of claims 1 to 5, wherein a through-hole for connecting means is formed in the housing.

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