WO2023190067A1 - Poutre pour bâtiment et bâtiment - Google Patents

Poutre pour bâtiment et bâtiment Download PDF

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Publication number
WO2023190067A1
WO2023190067A1 PCT/JP2023/011600 JP2023011600W WO2023190067A1 WO 2023190067 A1 WO2023190067 A1 WO 2023190067A1 JP 2023011600 W JP2023011600 W JP 2023011600W WO 2023190067 A1 WO2023190067 A1 WO 2023190067A1
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WO
WIPO (PCT)
Prior art keywords
building
beams
bolt
adjacent
notch
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Application number
PCT/JP2023/011600
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English (en)
Japanese (ja)
Inventor
啓介 荒木
大誠 本間
和己 土方
大輝 福元
Original Assignee
積水ハウス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 積水ハウス株式会社 filed Critical 積水ハウス株式会社
Priority to AU2023244113A priority Critical patent/AU2023244113A1/en
Publication of WO2023190067A1 publication Critical patent/WO2023190067A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members

Definitions

  • the present disclosure relates to a building beam and a building.
  • the effective section modulus used to calculate the strength of the beam is set to a value that is 0.6 or 0.45 times the section modulus of the remaining part of the notch.
  • Patent Document 1 discloses a technique for reinforcing a beam having a through hole.
  • the use of beams with notches is not recommended, and therefore no effective technology has been developed. Therefore, regarding beams with notches, we propose beams and buildings that can suppress cracks.
  • a beam for a building that solves the above problem includes a wooden beam main body having an upper surface and a lower surface, a notch provided in the beam main body, and a reinforcing portion for reinforcing the periphery of the notch,
  • the cutout portion is provided to cut out the upper surface or the lower surface, and the reinforcing portion reinforces an adjacent portion of the beam body adjacent to the cutout portion.
  • the reinforcing part includes a bolt, the bolt engages with a through hole that vertically passes through the adjacent part, and the bolt engages with a through hole that vertically passes through the adjacent part. is disposed within the through hole. According to the above configuration, since the bolts are not exposed from the beam body, the reinforcing portion does not get in the way when a building member is attached to the top, bottom, or side surface of the beam body.
  • the reinforcing portion includes a bolt having a shaft portion and a head, and a plate disposed on the upper surface or lower surface of the adjacent portion, and the bolt includes: The head part is inserted into a hole in the plate so as to be in contact with the plate, and is engaged with a through hole passing through the adjacent part in the vertical direction, and the shaft part of the bolt is inserted through the through hole in the adjacent part. placed within the hole.
  • the head of the bolt is arranged only on one of the upper surface and the lower surface of the beam body. Therefore, the reinforcing portion does not get in the way when a building member is attached to the top and bottom surfaces of the beam body where the bolt heads are not placed.
  • the reinforcing portion includes a first plate placed on the upper surface of the adjacent portion, a second plate placed on the lower surface of the adjacent portion, and a second plate placed on the lower surface of the adjacent portion. and a connecting member that connects the first plate and the second plate by passing through the plate.
  • the adjacent portion is sandwiched between the first plate and the second plate. This allows the adjacent portion to be strongly reinforced.
  • the reinforcing portion includes a first penetrating member that vertically penetrates the adjacent portion, and a first penetrating member that crosses the first penetrating member in the axial direction of the first penetrating member.
  • a penetrating member and a second penetrating member penetrating the adjacent portion.
  • a building that solves the above problem includes the beams described in (1) to (5) above as a plurality of beams, the plurality of beams are connected to girders so as to be parallel to each other, and the plurality of beams are connected to girders so as to be parallel to each other, and Each of the plurality of beams has the cutout on a lower surface of an end of the beam connected to the beam, and the plurality of cutouts are arranged along an extension direction of the beam.
  • the accommodating portion can be provided in the notch along the girder.
  • Various devices can be accommodated in such a housing. Therefore, the area around the girder can be made to look smart in the interior.
  • a building that solves the above problem includes the beams described in (1) to (5) above as a plurality of beams, the plurality of beams are connected to girders so as to be parallel to each other, and the plurality of beams are connected to girders so as to be parallel to each other.
  • Each of the plurality of beams has the cutout portion on the upper surface of the beam, and the plurality of cutout portions support a down-floor floor.
  • the beam placed under the floor of the down floor is constituted by a separate member from the beam placed under the floor of the adjacent floor adjacent to the down floor.
  • the beam is provided so as to extend between the underfloor of the down floor and the underfloor of the adjacent floor. This can improve construction efficiency.
  • a building that solves the above problem includes the beams described in (1) to (5) above as a plurality of beams, and the plurality of beams extend parallel to each other from the indoor space to the outdoor extension.
  • Each of the plurality of beams has the cutout portion on the upper surface of the beam, the plurality of cutout portions are provided in a portion corresponding to the outdoor extension portion, and the plurality of cutout portions are provided in a portion corresponding to the outdoor extension portion, supports the floor of the outdoor extension via a drainage space.
  • the beam placed under the floor of the outdoor extension is constituted by a separate member from the beam placed under the floor of the indoor space.
  • the beam is provided so as to extend between the underfloor of the outdoor extension part and the underfloor of the indoor space. This can improve construction efficiency.
  • cracks in the beam can be suppressed with respect to the beam having a notch.
  • FIG. 3 is a partial perspective view of the beam of the first embodiment. It is a side view of the bolt of 1st Embodiment. It is a figure showing the relationship between displacement and load. It is a figure showing the relationship between the beam of a 1st embodiment, the beam of a 1st reference example, and the beam of a 2nd reference example. It is a partial perspective view of the beam of 2nd Embodiment. It is a side view of the 1st bolt of 2nd Embodiment. It is a partial perspective view of the beam of 3rd Embodiment. It is a partial perspective view of the beam of 4th Embodiment. FIG. 3 is a side view of the first penetrating member.
  • FIG. 7 is a cross-sectional view of the vicinity of the girder of the building of the sixth embodiment.
  • FIG. 2 is a cross-sectional view of the vicinity of the girders of a reference example building. It is a schematic diagram of the building of 6th embodiment. It is a schematic diagram of the building of 7th embodiment. It is a schematic diagram of the building of 8th embodiment.
  • the beam 10 of the building 1 will be described.
  • the beam 10 includes a wooden beam main body 11, a notch 20 provided in the beam main body 11, and a reinforcing portion 30 that reinforces the periphery of the notch 20.
  • the beam main body 11 has an upper surface 11A and a lower surface 11B.
  • the upper surface 11A of the beam main body 11 is parallel to the lower surface 11B of the beam 10.
  • the beam body 11 may be made of solid wood.
  • the beam body 11 may be made of laminated wood.
  • the beam main body 11 is made of laminated wood of the same grade.
  • the beam body 11 is connected to the girder 2 with the direction in which the laminated boards are stacked along the vertical direction DZ.
  • the cutout portion 20 is provided so as to cut out the upper surface 11A or the lower surface 11B.
  • the portion of the beam main body 11 that remains after the cutout portion 20 is provided is referred to as the “remaining portion 13”.
  • the notch 20 is provided at the end 12 of the beam main body 11.
  • the notch 20 has a first surface 21 that is perpendicular to the upper surface 11A or the lower surface 11B.
  • the cutout portion 20 has a second surface 22 that is parallel to the upper surface 11A or the lower surface 11B.
  • the second surface 22 extends from the first surface 21 to the end surface of the beam body 11 .
  • a corner portion 24 is formed by the first surface 21 and the second surface 22.
  • the cutout portion 20 is provided so as to extend from one side surface 11C of the beam main body 11 to the other side surface 11C.
  • the vertical length of the notch 20 is preferably 1/2 or less of the vertical length of the beam main body 11. The vertical length is defined as the length of the beam 10 along the vertical direction DZ in a state where it is connected to the girder 2.
  • the reinforcing part 30 reinforces the adjacent part 26 adjacent to the notch part 20 in the beam main body 11.
  • the reinforcing portion 30 reinforces the adjacent portion 26 so that the adjacent portion 26 does not expand in the vertical direction DZ when force is applied near the adjacent portion 26.
  • the reinforcing portion 30 is constituted by a member that prevents the adjacent portion 26 from expanding in the vertical direction DZ.
  • the reinforcing section 30 includes bolts 31.
  • the reinforcing section 30 includes two bolts 31.
  • the two bolts 31 are arranged in the width direction DX of the beam main body 11.
  • the two bolts 31 may be arranged in the extension direction DE1 of the beam main body 11.
  • the bolt 31 engages with a through hole 27 that penetrates the adjacent portion 26 in the vertical direction DZ.
  • the through hole 27 extends perpendicularly to the upper surface 11A and the lower surface 11B of the beam main body 11.
  • the bolt 31 is placed within the through hole 27 of the adjacent portion 26 .
  • the length of the bolt 31 is equal to or slightly shorter than the vertical length of the adjacent portion 26.
  • the length of the bolt 31 is greater than or equal to 0.9 times and less than or equal to 1.0 times the vertical length of the adjacent portion 26 .
  • an example of the bolt 31 is a lag screw bolt 32.
  • FIG. 2 is a side view of the lag screw bolt 32.
  • the lag screw bolt 32 includes a shaft portion 31A provided with a male thread, and a tool engaging portion 31B provided at an end of the shaft portion 31A.
  • the tool engaging portion 31B is a portion that engages with a dedicated tool for lag screw bolts.
  • the outermost diameter of the cross section of the tool engaging portion 31B is equal to or slightly larger than the outermost diameter of the cross section of the shaft portion 31A.
  • the tool engaging portion 31B may be provided with a female thread 31C.
  • the lag screw bolt 32 is screwed into the through hole 27 of the adjacent portion 26 so as to fit inside the beam body 11 .
  • the characteristics of the beam 10 of this embodiment will be described in comparison with the first reference example and the second reference example.
  • the beam 101 of the first reference example and the beam 102 of the second reference example do not have the notch 20.
  • the vertical length of the beam 101 in the first reference example is equal to the vertical length of the adjacent portion 26 of the beam 10 in the embodiment.
  • the vertical length of the beam 102 in the second reference example is equal to the vertical length of the remaining portion 13 of the beam 10 in the embodiment.
  • the widths of the beams 101 of the first reference example and the beams of the second reference example 102 are equal to the width of the beam 10 according to the embodiment.
  • the lengths of the beam of the first reference example 101 and the beam of the second reference example 102 are equal to the length of the beam 10 according to the embodiment.
  • FIG. 3 shows the relationship between the load P applied to the beam 10 and the displacement of the beam 10 in the vertical direction DZ.
  • FIG. 3 shows the characteristics of the beam 10 of this embodiment when a tensile load is applied to the notch 20 and the characteristics when a compressive load is applied to the notch 20.
  • FIG. 3 further shows the characteristics of the beam 101 of the first reference example and the characteristics of the beam 102 of the second reference example.
  • the case in which a tensile load is applied to the notch 20 refers to the case in which the beam main body 11 is supported at two spaced locations and a load P is applied to the surface opposite to the surface on which the notch 20 is provided (Fig. (See 3).
  • the beam main body 11 is supported at two locations: the notch 20 and the end opposite to the notch 20 .
  • the load P is applied to a portion other than the notch 20 between the two locations where the beam body 11 is supported.
  • the case where a compressive load is applied to the notch 20 refers to the case where a load P is applied to the surface on which the notch 20 is provided while the beam main body 11 is supported at two spaced apart locations.
  • a solid line L1 indicates the characteristics when a compressive load is applied to the beam 10 of this embodiment.
  • a solid line L2 indicates the characteristics when a tensile load is applied to the beam 10 of this embodiment.
  • a broken line L3 indicates the characteristics of the beam 101 of the first reference example.
  • a broken line L4 indicates the characteristics of the beam 102 of the second reference example.
  • the beam 10 of this embodiment under compressive load, has substantially the same strength as the beam 101 of the first reference example, that is, a beam having the same vertical length as the adjacent portion 26. As shown in FIG. 3, under tensile load, the beam 10 of this embodiment has the same strength as the beam 102 of the second reference example, that is, the beam having the same vertical length as the remaining portion 13.
  • the characteristics of the beam 10 of this embodiment will be described with reference to the characteristics (solid line L2) when a tensile load is applied to the beam 10.
  • the characteristics of the beam 10 will be described when the load P applied to the beam 10 is gradually increased.
  • the bending load PX indicates the load P at the time when the beam 10 bends.
  • the beam 10 when the load P applied to the beam 10 is gradually increased from a state where it is 0, the beam 10 gradually curves and its displacement gradually increases.
  • the displacement indicates the actual distance traveled by the loaded portion of the beam 10 in the loading direction.
  • the beam 10 of this embodiment As shown in FIG. 1, in the beam 10 of this embodiment, the vicinity of the notch 20 is reinforced by the reinforcing portion 30. Therefore, cracks are less likely to occur in the notch 20. Further, even if a crack may occur in the corner 24 of the notch 20, the progress of the crack is suppressed. As a result, the beam 10 is unlikely to bend when a crack occurs. Therefore, the beam 10 of this embodiment has a larger bending load PX than a beam in which the reinforcing portion 30 is not provided. Moreover, the bending strength of the beam 10 of this embodiment is higher than or equivalent to that of the beam 102 of the second reference example in the range until the load P reaches the bending load PX.
  • the use of beams with cutouts 20 is not recommended. Furthermore, when using a beam having a notch 20, it is recommended that the effective section modulus of the beam be set to 0.6 times or 0.45 times the section modulus of the remaining portion 13 of the notch 20. Ru. The reason why it is necessary to estimate the effective section modulus of the beam having the notch 20 to be smaller than the section modulus of the remaining portion 13 is that cracks in the notch 20 may propagate diagonally significantly due to the load P. .
  • the adjacent portion 26 adjacent to the cutout portion 20 is reinforced by the reinforcing portion 30.
  • the reinforcing portion 30 prevents the adjacent portion 26 from expanding in the vertical direction DZ. This suppresses the occurrence and progression of cracks. Therefore, the beam 10 of this embodiment is stronger than, or has the same characteristics as, the beam 102 of the second reference example, that is, the beam having the same vertical length as the remaining portion 13, in terms of tensile load.
  • the reinforcing part 30 acts on the adjacent part 26 as follows.
  • the male thread of the lag screw bolt 32 engages with a through hole 27 provided in the adjacent portion 26 .
  • the lag screw bolt 32 extends substantially over the entirety of the adjacent portion 26 in the vertical direction DZ. Such engagement makes it difficult for the adjacent portion 26 to expand in the vertical direction DZ when a tensile load is applied to the beam 10, thereby suppressing the occurrence and progression of cracks.
  • the beam 10 includes a wooden beam body 11, a notch 20 provided in the beam body 11, and a reinforcing portion 30 that reinforces the periphery of the notch 20.
  • the notch 20 is provided so as to cut out the upper surface 11A or the lower surface 11B, and the reinforcing portion 30 reinforces the adjacent portion 26 adjacent to the notch 20 in the beam main body 11. According to the above configuration, since the adjacent portion 26 of the notch 20 is reinforced, the occurrence of cracks around the notch 20 can be suppressed.
  • the reinforcing portion 30 includes bolts 31.
  • the bolt 31 engages with a through hole 27 that penetrates the adjacent portion 26 in the vertical direction DZ.
  • bolt 31 is a lag screw bolt 32.
  • the bolt 31 is placed in the through hole 27 of the adjacent portion 26 . According to the above configuration, since the bolts 31 are not exposed from the beam body 11, the reinforcing portion 30 does not get in the way when a building member is attached to the top surface 11A, bottom surface 11B, or side surface 11C of the beam body 11.
  • a beam 10 according to a second embodiment will be described.
  • the same components as in the first embodiment are given the same reference numerals as in the first embodiment, and redundant explanation will be omitted.
  • the beam 10 of this embodiment has a reinforcing section 30 having a structure different from the reinforcing section 30 shown in the first embodiment.
  • the reinforcing portion 30 includes a bolt 35 having a shaft portion 35A and a head 35B, and a plate 38 disposed on the upper surface 26A or the lower surface 26B of the adjacent portion 26.
  • the reinforcing section 30 includes two bolts 35.
  • the two bolts 35 are arranged in the width direction DX of the beam main body 11.
  • the two bolts 35 may be arranged in the extension direction DE1 of the beam main body 11.
  • the plate 38 is provided on the upper surface 26A of the adjacent portion 26.
  • the bolt 35 is inserted into the hole in the plate 38 so that the head 35B contacts the plate 38.
  • the bolt 35 is inserted into a through hole 27 that penetrates the adjacent portion 26 in the vertical direction DZ.
  • Bolt 35 engages through hole 27 .
  • the shaft portion 35A of the bolt 35 is disposed within the through hole 27 of the adjacent portion 26.
  • the bolt 35 includes a first bolt 36 and a second bolt 37 connected to the first bolt 36 in the axial direction.
  • the tip of the second bolt 37 engages with the female thread 36A of the first bolt 36.
  • the first bolt 36 has a female thread 36A at its tip.
  • the female thread 36A is configured to engage with a thread at the tip of the second bolt 37.
  • An example of the first bolt 36 is a lag screw bolt 32.
  • the first bolt 36 is screwed into the through hole 27 provided in the adjacent portion 26 from the lower surface 26B.
  • a plate 38 is disposed on the upper surface 26A of the through hole 27 provided in the adjacent portion 26.
  • the second bolt 37 is inserted into the hole of the plate 38 and the through hole 27 from above the adjacent portion 26, and is coupled to the first bolt 36.
  • the second bolt 37 is tightened to the plate 38 with a spanner.
  • a compressive force is applied to the adjacent portion 26 in the vertical direction DZ.
  • the adjacent portion 26 is prevented from expanding in the vertical direction DZ. Due to such a reinforcing portion 30, when a tensile load is applied to the beam 10, the adjacent portion 26 becomes difficult to expand in the vertical direction DZ, thereby suppressing the occurrence and progression of cracks.
  • the reinforcing section 30 includes a bolt 35 and a plate 38.
  • the bolt 35 is inserted into the hole of the plate 38 so that the head 35B contacts the plate 38, and is engaged with the through hole 27 passing through the adjacent portion 26 in the vertical direction DZ.
  • the shaft portion 35A of the bolt 35 is arranged in the through hole 27 of the adjacent portion 26.
  • the head 35B of the bolt 35 is disposed only on one of the upper surface 11A and the lower surface 11B of the beam main body 11. Therefore, when attaching a building member to the surface of the upper surface 11A and lower surface 11B of the beam main body 11 where the head 35B of the bolt 35 is not arranged, the reinforcing portion 30 does not get in the way.
  • a beam 10 according to a third embodiment will be described.
  • the beam 10 of this embodiment has a reinforcing section 30 having a structure different from the reinforcing section 30 shown in the first embodiment.
  • the reinforcing section 30 includes a first plate 41, a second plate 42, and a connecting member 43.
  • the reinforcing section 30 includes two connecting members 43.
  • the two connecting members 43 are arranged in the width direction DX of the beam main body 11.
  • the two connecting members 43 may be arranged in the extension direction DE1 of the beam main body 11.
  • the first plate 41 is arranged on the upper surface 26A of the adjacent portion 26.
  • the first plate 41 is provided with two first holes.
  • the second plate 42 is arranged on the lower surface 26B of the adjacent portion 26.
  • the second plate 42 is provided with two second holes.
  • the connecting member 43 passes through the adjacent portion 26 and connects the first plate 41 and the second plate 42 .
  • the connecting member 43 is composed of a bolt 44 and a nut 45.
  • the bolt 44 has a shaft portion 44A and a head portion 44B.
  • the bolt 44 is inserted through the first hole of the first plate 41 , the through hole 27 provided in the adjacent portion 26 , and the second hole of the second plate 42 .
  • the head 44B of the bolt 44 contacts the second plate 42.
  • the nut 45 engages the end of the bolt 44 coming out of the first plate 41 .
  • the nut 45 is tightened to the first plate 41 with a spanner. By tightening the nut 45, a compressive force is applied to the adjacent portion 26 in the vertical direction DZ.
  • the adjacent portion 26 is held between the first plate 41 and the second plate 42 which are connected by a connecting member 43. Therefore, when a tensile load is applied to the beam 10, the adjacent portion 26 is prevented from expanding in the vertical direction DZ. Due to such a reinforcing portion 30, when a tensile load is applied to the beam 10, the adjacent portion 26 becomes difficult to expand in the vertical direction DZ, thereby suppressing the occurrence and progression of cracks. As a result, the adjacent portion 26 is strongly reinforced.
  • a beam 10 according to a fourth embodiment will be described with reference to FIGS. 8 and 9.
  • the same components as in the first embodiment are given the same reference numerals as in the first embodiment, and redundant explanation will be omitted.
  • the beam 10 of this embodiment has a reinforcing section 30 having a structure different from the reinforcing section 30 shown in the first embodiment.
  • the reinforcing portion 30 includes a first penetrating member 47 and a second penetrating member 48.
  • the first penetrating member 47 penetrates the adjacent portion 26 in the vertical direction DZ. Specifically, the first penetrating member 47 is inserted into the vertical through hole 27A provided in the adjacent portion 26.
  • the first penetrating member 47 is configured by an iron pipe.
  • the first penetrating member 47 has a plurality of side through holes 47A orthogonal to the axis.
  • the plurality of side through holes 47A are provided at equal intervals in the axial direction.
  • the plurality of side through holes 47A extend in parallel.
  • the hole diameters of the plurality of side through holes 47A are configured such that the second through holes 48 fit therein.
  • the adjacent portion 26 is provided with a vertical through hole 27A through which the first through member 47 is inserted, and a horizontal through hole 27B through which the second through member 48 is inserted.
  • the vertical through hole 27A extends from the upper surface 26A to the lower surface 26B in the adjacent portion 26.
  • the horizontal through hole 27B extends in the width direction DX of the adjacent portion 26 so as to intersect the vertical through hole 27A.
  • the plurality of horizontal through holes 27B are provided in the adjacent portion 26 at the same pitch as the horizontal through holes 27B provided in the first penetrating member 47.
  • the second penetrating member 48 penetrates the first penetrating member 47 and the adjacent portion 26 so as to intersect with the axial direction of the first penetrating member 47 .
  • the second penetrating member 48 is configured as a cylindrical pin.
  • the second penetrating member 48 is inserted into the horizontal through hole 27B of the adjacent portion 26 and the side through hole 47A of the first penetrating member 47. According to this configuration, the engagement between the first penetrating member 47 and the second penetrating member 48 and the adjacent portion 26 can be strengthened.
  • the second penetrating member 48 acts as a resistance against the peripheral parts of the second penetrating member 48 separating from each other in the adjacent part 26. This prevents the adjacent portion 26 from expanding in the vertical direction DZ. Due to such a reinforcing portion 30, when a tensile load is applied to the beam 10, the adjacent portion 26 becomes difficult to expand in the vertical direction DZ, thereby suppressing the occurrence and progression of cracks.
  • a beam 10 according to a fifth embodiment will be described.
  • the same components as in the first embodiment are given the same reference numerals as in the first embodiment, and redundant explanation will be omitted.
  • the notch 20 is configured as a recess provided in the upper surface 11A or the lower surface 11B of the beam main body 11.
  • the notch 20 has a first surface 21, a second surface 22, and a third surface 23.
  • the first surface 21 and the third surface 23 are configured perpendicularly to the lower surface 11B.
  • the third surface 23 is configured parallel to the first surface 21 .
  • the second surface 22 connects the first surface 21 and the second surface 22.
  • the second surface 22 is configured parallel to the lower surface 11B.
  • the reinforcing portions 30 are provided in the adjacent portions 26 near the first surface 21 and the adjacent portions 26 near the third surface 23, respectively.
  • the reinforcing section 30 has the same structure as the reinforcing section 30 shown in the first to fourth embodiments.
  • Such a notch 20 is provided in the beam 10 that is arranged so as to partially protrude from the outer wall.
  • the notch 20 having a concave structure is provided in the overhang portion 15 of the beam 10.
  • the overhang portion 15 is a portion of the beam 10 that protrudes from the girder 2 toward the outdoor side.
  • a window shutter box is attached to the cutout 20 of the concave structure. The shutter box houses shutters that are lowered along the exterior wall.
  • FIGS. 11 to 14 A building 1 according to the sixth embodiment will be described with reference to FIGS. 11 to 14.
  • the building 1 includes the beams 10 shown in the first to fifth embodiments.
  • components that are common to those of the first embodiment are given the same reference numerals as those of the first embodiment, and redundant explanations will be omitted.
  • the building 1 includes a girder 2 and a plurality of beams 10.
  • the girders 2 are supported by columns 3.
  • a plurality of beams 10 are arranged between two girders 2.
  • a plurality of beams 10 connect two girders 2.
  • the outer girder 2A which is one of the two girders 2, constitutes a part of the skeleton of the outer wall 17.
  • the beam 10 is arranged between the first floor and the second floor of the building 1.
  • the beam 10 is arranged between two girders 2 arranged parallel to each other.
  • a beam 10 connects two girders 2.
  • the plurality of beams 10 are connected to the girder 2 so as to be parallel to each other.
  • Each of the plurality of beams 10 has a notch 20.
  • the cutout portion 20 is provided in the lower surface 11B of the end portion 12 of the beam 10 that is connected to the outer girder 2A.
  • the plurality of notches 20 are arranged along the extension direction DE2 of the girder 2.
  • the beam 10 has a reinforcing portion 30.
  • the reinforcing portion 30 reinforces the adjacent portion 26 adjacent to the cutout portion 20 .
  • a housing portion 16 can be provided in the cutout portion 20 along the girder 2 in the building 1 .
  • the housing section 16 can accommodate various devices. Therefore, the appearance of the interior surrounding the girder 2 can be simplified.
  • an example of the device is a curtain rail.
  • the curtain rail may be a rail for automatic curtain opening/closing.
  • the curtain rail is arranged within the storage section 16. This makes it possible to simplify the appearance of the area near the window on the ceiling 6 on the first floor.
  • FIG. 12 shows a cross section near the girder 2 of the building 1 whose skeleton is composed of the beams 10 of this embodiment.
  • FIG. 13 shows a cross section near the girder 2 of a building 1 whose skeleton is composed of conventional beams 90.
  • the beam 10 is not provided with the notch 20. Therefore, in order to provide the housing section 16 behind the ceiling 6 on the first floor, a space SA is provided between the ceiling 6 on the first floor and the beam 10 by reducing the vertical length of the beam 10. As a result of defining the vertical length of the beam 10 in this manner, the length of the beam 10 is limited. The width of the floor under the beam 10 is limited by the length of the beam 10.
  • the accommodating part 16 can be arranged in the notch 20.
  • the vertical length of the portion other than the remaining portion 13 is larger than the vertical length of the remaining portion 13.
  • the adjacent portion 26 of the notch 20 is reinforced by a reinforcing portion 30. Therefore, the beam 10 of this embodiment has higher strength than the beam 90 of the conventional structure, which is equal in length to the remaining portion 13. Therefore, the beam 10 can be made longer than the beam 90 of the conventional structure. As a result, the width of the floor under the beam 10 can be made larger than that in the case of the beam 90 of the conventional structure.
  • the housing portion 16 is configured along the outer wall 17.
  • the accommodating part 16 is configured such that the lower end of the accommodating part 16 is located flush with the ceiling 6 of the first floor.
  • a curtain rail is accommodated in the accommodation section 16 .
  • a window 18 is provided in the outer wall 17.
  • the window 18 is configured such that the upper end of the window 18 is flush with the ceiling 6 (see FIG. 14).
  • the window 18 extends from the floor 7 to the ceiling 6.
  • the building 1 includes the beams 10 shown in the first to fifth embodiments.
  • components that are common to those of the first embodiment are given the same reference numerals as those of the first embodiment, and redundant explanations will be omitted.
  • the building 1 includes a girder 2 and a plurality of beams 10.
  • the girders 2 are supported by columns 3.
  • a plurality of beams 10 are arranged between two girders 2.
  • a plurality of beams 10 connect two girders 2.
  • the plurality of beams 10 are arranged between the first and second floors of the building 1.
  • the plurality of beams 10 are connected to the girder 2 so as to be parallel to each other.
  • Each of the plurality of beams 10 has a notch 20.
  • the notch 20 is provided on the upper surface 11A of the beam 10.
  • the beam 10 has a reinforcing portion 30.
  • the reinforcing portion 30 reinforces the adjacent portion 26 adjacent to the cutout portion 20 .
  • the notches 20 of the plurality of beams 10 are arranged in a line along the extension direction of the girder 2.
  • the upper surfaces 20A of the notches 20 of the plurality of beams 10 are located at the same height.
  • the plurality of cutouts 20 support the floor of the down floor 63.
  • the down floor 63 may be configured as a pit living room.
  • a beam placed under the floor of the down floor 63 is constituted by a separate member from a beam placed under the floor of an adjacent floor 64 adjacent to the down floor 63.
  • the beam 10 is provided so as to extend between the underfloor of the down floor 63 and the underfloor of the adjacent floor 64. Thereby, the construction efficiency of the building 1 can be improved.
  • a building 1 according to the eighth embodiment will be described with reference to FIG. 16.
  • the building 1 includes the beams 10 shown in the first to fifth embodiments.
  • components that are common to those of the first embodiment are given the same reference numerals as those of the first embodiment, and redundant explanations will be omitted.
  • the building 1 includes a girder 2 and a plurality of beams 10.
  • the girders 2 are supported by columns 3.
  • the plurality of beams 10 are arranged between the indoor girder 2B and the outdoor girder 2C.
  • the plurality of beams 10 connect the indoor girder 2B and the outdoor girder 2C.
  • the plurality of beams 10 are partially placed outdoors.
  • the building 1 includes an indoor space 5 on the second floor and an outdoor extension 8 provided so as to be continuous with the indoor space 5.
  • the outdoor extension 8 includes a veranda, a balcony, and a roof balcony.
  • the plurality of beams 10 are arranged in parallel to each other so as to extend from the indoor space 5 to the outdoor extension part 8.
  • Each of the plurality of beams 10 has a notch 20.
  • the notch 20 is provided on the upper surface 11A of the beam 10.
  • the beam 10 has a reinforcing portion 30.
  • the reinforcing portion 30 reinforces the adjacent portion 26 adjacent to the cutout portion 20 .
  • the plurality of cutouts 20 are provided in portions corresponding to the outdoor extension portion 8.
  • the cutouts 20 of the plurality of beams 10 are arranged in a line.
  • the notches 20 of the plurality of beams 10 are arranged in the extending direction of the outdoor girder 2C.
  • the upper surfaces 20A of the notches 20 of the plurality of beams 10 are located at the same height.
  • the plurality of cutouts 20 support the floor of the outdoor extension section 8 via the drainage space S.
  • the beam 10 arranged under the floor of the outdoor extension part 8 is made of a separate member from the beam 10 arranged under the floor of the indoor space 5. be done.
  • the beam 10 is provided so as to extend between the underfloor of the outdoor extension section 8 and the underfloor of the indoor space 5.
  • the above embodiment is an illustration of the forms that the beam 10 and the building 1 can take, and is not intended to limit the forms.
  • the beam 10 and the building 1 may take a form different from the form illustrated in the above embodiment.
  • An example of this is a configuration in which a part of the configuration of the embodiment is replaced, changed, or omitted, or a configuration in which a new configuration is added to the embodiment. Modifications of the embodiment are shown below.
  • the reinforcing portion 30 can have a structure other than that shown in the embodiment.
  • the adjacent portion 26 may be reinforced by wrapping a fiber sheet around the adjacent portion 26. Examples of the fiber sheet include carbon fiber sheets.
  • the adjacent portion 26 reinforced by the reinforcing portion 30 of the embodiment and the modified example may be further reinforced with an adhesive.
  • the gap between the shaft portion of the second bolt 37 and the through hole 27 may be filled with adhesive.
  • the gap between the connecting member 43 and the through hole 27 may be filled with an adhesive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

Une poutre (10) pour un bâtiment comprend : un corps principal de poutre en bois (11) présentant une surface supérieure (11A) et une surface inférieure (11B) ; une partie entaillée (20) disposée dans le corps principal de poutre (11) ; et une partie de renforcement (30) pour fournir un renforcement autour de la partie entaillée (20). La partie entaillée (20) est disposée de façon à correspondre à la surface supérieure (11A) ou à la surface inférieure (11B). La partie de renforcement (30) renforce une partie adjacente (26) du corps principal de poutre (11) adjacente à la partie entaillée (20).
PCT/JP2023/011600 2022-03-28 2023-03-23 Poutre pour bâtiment et bâtiment WO2023190067A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2023244113A AU2023244113A1 (en) 2022-03-28 2023-03-23 Beam for building, and building

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022051158A JP2023144259A (ja) 2022-03-28 2022-03-28 建築物の梁および建築物
JP2022-051158 2022-03-28

Publications (1)

Publication Number Publication Date
WO2023190067A1 true WO2023190067A1 (fr) 2023-10-05

Family

ID=88202171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/011600 WO2023190067A1 (fr) 2022-03-28 2023-03-23 Poutre pour bâtiment et bâtiment

Country Status (3)

Country Link
JP (1) JP2023144259A (fr)
AU (1) AU2023244113A1 (fr)
WO (1) WO2023190067A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852909A (en) * 1994-03-01 1998-12-29 The United States Of America As Represented By The Secretary Of Agriculture Localized notch reinforcement for wooden beams
JP2020037778A (ja) * 2018-09-03 2020-03-12 住友林業株式会社 梁の接合構造
JP2022047466A (ja) * 2020-09-11 2022-03-24 株式会社知財事業研究所 建築構造物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852909A (en) * 1994-03-01 1998-12-29 The United States Of America As Represented By The Secretary Of Agriculture Localized notch reinforcement for wooden beams
JP2020037778A (ja) * 2018-09-03 2020-03-12 住友林業株式会社 梁の接合構造
JP2022047466A (ja) * 2020-09-11 2022-03-24 株式会社知財事業研究所 建築構造物

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AU2023244113A1 (en) 2024-10-10
JP2023144259A (ja) 2023-10-11

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