JP2003306980A - Structure for reinforcing steel plate by adhesion - Google Patents
Structure for reinforcing steel plate by adhesionInfo
- Publication number
- JP2003306980A JP2003306980A JP2002114520A JP2002114520A JP2003306980A JP 2003306980 A JP2003306980 A JP 2003306980A JP 2002114520 A JP2002114520 A JP 2002114520A JP 2002114520 A JP2002114520 A JP 2002114520A JP 2003306980 A JP2003306980 A JP 2003306980A
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- Japan
- Prior art keywords
- steel plate
- bearing
- construction
- building
- thin
- Prior art date
- Legal status (The legal status 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 status listed.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、薄板形鋼などの建
築用母材のモーメント集中部位に補強鋼板を接着した鋼
板補強構造、もしくは建築用薄板鋼板にファスナーを挿
通してなる支圧接合構造における接着による鋼板補強構
造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel plate reinforcing structure in which a reinforcing steel plate is adhered to a moment concentration portion of a building base material such as thin plate steel, or a bearing joint structure in which a fastener is inserted into a thin building steel plate. Steel plate reinforced structure by adhesion in.
【０００２】[0002]
【従来の技術】近年では、例えば、板厚１ｍｍ前後の薄
板軽量形鋼による枠材と構造用面材による鉄鋼系パネル
構造のスチールハウスなどをはじめ、建物を構成する構
造材として板厚３．２ｍｍ以下の薄鋼板が使用されるよ
うになってきている。2. Description of the Related Art In recent years, for example, a steel house having a steel-based panel structure including a frame material made of thin lightweight structural steel having a plate thickness of about 1 mm and a structural face material has been used as a structural material constituting a building. A thin steel plate having a thickness of 2 mm or less has been used.
【０００３】ここで薄板形鋼は、鋼材断面が材軸方向に
均等になるように製造されるため、鋼材が必ずしも効率
的に使用されていない。例えば、建物の小針、母屋、胴
縁などでは、一般的に中央部や端部の曲げモーメントお
よび変形が最大になり、部材の応力集中部以外では曲げ
モーメントはほぼ零となる場所もある。しかし、建物の
設計では、構造材の応力集中部を基準として薄板形鋼の
板厚などが決定されるため、応力集中部以外では鋼材が
余分に使用され、必要とされる断面性能を上回っている
点で改善の余地がある。Here, the thin plate steel is manufactured so that the steel material has a uniform cross section in the material axis direction, and therefore the steel material is not always used efficiently. For example, in the small needles, purlins and furring strips of a building, the bending moment and deformation of the central portion and the end portions are generally the maximum, and there are places where the bending moment is almost zero except for the stress concentration portion of the member. However, in the design of the building, the thickness of the thin section steel is determined based on the stress concentration part of the structural material.Therefore, the steel material is used in addition to the stress concentration part, and it exceeds the required cross-sectional performance. There is room for improvement in this respect.
【０００４】また、（１）軽金属、木材、合板などの建
材と薄板鋼板とにファスナーを貫通させて支圧接合する
場合、あるいは（２）薄板鋼板同士にファスナーを貫通
させて支圧接合する場合には、自重や、強風または地震
などによって構造材にせん断方向の外力が作用すること
がある。このとき構造材に作用する外力が薄板鋼板の支
圧応力より大きい場合には、ファスナー穴がせん断方向
へ楕円状に変形してガタツキが発生する。In addition, (1) when a fastener is pierced through a building material such as light metal, wood, plywood and a thin steel plate for pressure-bonding, or (2) when a fastener is pierced between thin steel plates for pressure-bonding. The external force in the shearing direction may act on the structural material due to its own weight, strong wind, or earthquake. At this time, when the external force acting on the structural material is larger than the bearing stress of the thin steel plate, the fastener hole is deformed into an elliptical shape in the shearing direction and rattling occurs.
【０００５】ここで、ファスナー穴のせん断方向への変
形を抑制する対策として、支圧接合部のファスナー本数
を増やす場合には作業工数や接合部の面積が増加してコ
スト高となる。一方、薄板鋼板の板厚を厚くする場合に
は支圧接合部以外の部分まで板厚が増加するため、この
場合もコスト高となる点で改善の余地がある。Here, as a measure for suppressing the deformation of the fastener hole in the shearing direction, when the number of fasteners at the bearing joint is increased, the number of work steps and the area of the joint increase, resulting in a high cost. On the other hand, when the plate thickness of the thin steel plate is increased, the plate thickness increases up to the portion other than the bearing joint, and in this case as well, there is room for improvement in terms of cost increase.
【０００６】さらにまた、薄板鋼板同士にファスナーを
貫通させて支圧接合する場合には、せん断力または引き
剥がし力に対向させるためには、薄板鋼板の厚さを十分
に大きくする必要があった。一方、薄板鋼板同士を接着
して接合した場合にはせん断方向の力には強いが、引き
剥がし方向の力には非常に弱い点で改善の余地があっ
た。Furthermore, when the fasteners are pierced through the thin steel plates to perform pressure-bonding, it is necessary to make the thickness of the thin steel plates sufficiently large to oppose the shearing force or the peeling force. . On the other hand, when the thin steel plates are bonded to each other and bonded, there is room for improvement in that they are strong in the shearing direction force but very weak in the peeling direction force.
【０００７】[0007]
【発明が解決しようとする課題】本発明は上記従来技術
の課題を解消するためにされたものであり、その目的
は、薄板形鋼における応力集中部の部材厚さを簡易な手
段で部分的に増加させ、効率的な設計により施工コスト
の減少を図ることである。SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art, and an object thereof is to partially reduce the member thickness of the stress concentration part in the thin plate steel by a simple means. It is to reduce the construction cost through efficient design.
【０００８】また本発明の他の目的は、建築用薄板鋼板
の支圧接合部を補強して、構造材にせん断方向の外力が
作用する場合において、ファスナー穴がせん断方向へ楕
円状に変形するのを抑制することである。Another object of the present invention is to reinforce a bearing joint of a thin steel plate for construction, and when an external force in the shearing direction acts on the structural material, the fastener hole is deformed into an elliptical shape in the shearing direction. Is to suppress the
【０００９】さらに本発明の他の目的は、建築用薄板鋼
板の支圧接合部を補強して、せん断方向および引き剥が
し方向の力の両方に対応できるようにすることである。Still another object of the present invention is to reinforce the bearing joint of a thin steel plate for construction so that it can cope with both the shearing force and the peeling force.
【００１０】[0010]
【課題を解決するための手段】第１の発明は、建物の
柱、梁などを構成する建築用母材１の応力集中部を挟み
込むように２枚の補強鋼板２を接着して、前記建築用母
材１における応力集中部の部材厚さを部分的に増加させ
たことを特徴とする建築用母材１の接着による鋼板補強
構造である。第１の発明の建築用母材１には、薄板形鋼
のほかに木材なども含まれる。A first aspect of the present invention is to bond two reinforcing steel plates 2 so as to sandwich a stress concentration portion of a base material 1 for construction constituting columns, beams, etc. of a building, and to construct the above-mentioned construction. It is a steel plate reinforced structure by adhesion of a building base material 1, characterized in that a member thickness of a stress concentration portion in the working base material 1 is partially increased. The building base material 1 of the first invention includes wood and the like in addition to thin plate steel.
【００１１】第２の発明は、建築用薄板鋼板３にファス
ナー４が貫通してなる支圧接合構造において、接合部に
支圧補強鋼板５を接着してファスナー１本当たりの接合
強度を増加させるものである。A second aspect of the present invention is a bearing-bonding structure in which a fastener 4 penetrates a thin steel plate 3 for construction, and a bearing-reinforced steel plate 5 is bonded to the joint to increase the joint strength per fastener. It is a thing.
【００１２】具体的には第２の発明は、（１）建築用薄
板鋼板３と建築用材料６（壁材、屋根材、下地材、合
板、ベニヤ材、パーティクルボード等）とにファスナー
４を貫通させて留め付ける支圧接合構造において、建築
用薄板鋼板３の接合部に１枚または２枚の支圧補強鋼板
５を建築用薄板鋼板３と当接するように配置し、かつ支
圧補強鋼板５が建築用薄板鋼板３または建築用材料６の
少なくともいずれか一方に接着されて構成されるか、あ
るいは（２）２枚の建築用薄板鋼板３にファスナー４を
貫通させて留め付ける支圧接合構造において、片方ある
いは両方の建築用薄板鋼板３ａ，３ｂの接合部に１枚か
ら４枚の支圧補強鋼板５を建築用薄板鋼板３と当接する
ように配置し、かつ支圧補強鋼板５は当接している建築
用薄板鋼板３ａ，３ｂのいずれかに接着されて構成され
ている。Concretely, the second invention is (1) a thin steel plate 3 for construction and a construction material 6 (wall material, roof material, base material, plywood, veneer material, particle board, etc.) with a fastener 4. In a pressure-bearing joint structure for penetrating and fastening, one or two bearing-pressure reinforcing steel plates 5 are arranged at the joint portion of the thin steel plate for building 3 so as to abut the thin steel plate for building 3, and the bearing-reinforced steel plate. 5 is constructed by adhering to at least one of the thin steel plate for building 3 and the building material 6, or (2) pressure-bonding for fastening the two thin steel plates for building 3 through the fasteners 4 In the structure, one to four bearing pressure-reinforcing steel plates 5 are arranged at the joints of one or both of the building thin steel plates 3a and 3b so as to abut against the building thin steel plate 3, and the bearing strengthening steel plate 5 is Sheet steel plates 3a, 3 that are in contact with each other And it is configured be bonded to any of.
【００１３】第３の発明は、２つの建築用薄板鋼板３を
接合部で接着し、かつ建築用薄板鋼板３の前記接合部に
ファスナー４を挿通して支圧接合し、せん断方向および
引き剥がし方向の耐力を向上させたことを特徴とする建
築用薄板鋼板３の支圧接合部の鋼板補強構造である。In a third aspect of the present invention, two thin steel plates for construction 3 are bonded at a joint portion, and a fastener 4 is inserted into the joint portion of the thin steel plate for construction 3 to carry out a pressure-bearing joint, and a shearing direction and peeling are performed. 1 is a steel plate reinforcing structure of a bearing joint of a thin steel plate for building 3, which has improved proof strength in a direction.
【００１４】[0014]
【発明の実施の形態】以下、本発明の実施形態を図面を
参照しつつ詳細に説明する。図１および図２は本発明の
第１実施形態である薄板形鋼の補強構造を示した図であ
る。DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 and FIG. 2 are views showing a reinforcing structure of a thin steel plate which is a first embodiment of the present invention.
【００１５】第１実施形態は、同一形状の補強鋼板２を
２枚用いて、建築物の梁、柱などに用いられる薄板形鋼
１の応力集中部を、補強鋼板２で外側から挟み込むよう
に接着固定したものである。補強鋼板２は、薄板形鋼１
の両側のフランジ等に接着剤、両面接着テープなどの接
着手段で固定されている。なお、第１実施形態における
薄板形鋼は図１の例に限定されるものではなく、図２に
示すような、Ｈ形鋼、Ｚ形鋼、溝形鋼、リップ付溝形
鋼、ボックス形鋼などのいずれにも適用できる。In the first embodiment, two reinforcing steel plates 2 having the same shape are used so that the stress concentrating portion of the thin steel plate 1 used for a beam or a pillar of a building is sandwiched between the reinforcing steel plates 2 from the outside. It is glued and fixed. Reinforcing steel plate 2 is thin section steel 1
It is fixed to the flanges or the like on both sides by an adhesive means such as an adhesive or a double-sided adhesive tape. The thin plate steel in the first embodiment is not limited to the example shown in FIG. 1, and H-shaped steel, Z-shaped steel, grooved steel, grooved steel with lip, box-shaped steel as shown in FIG. It can be applied to any steel.
【００１６】第１実施形態では、薄板形鋼などの建築用
母材１における応力集中部に補強鋼板２を接着すること
により、応力集中部における見かけ上の部材厚さが増加
して断面性能が向上する。したがって、簡易な手段で応
力集中部のみの部材厚さを厚くして、母材全体の部材厚
さを上げることなく応力集中部が降伏または座屈しない
ようにできる。すなわち、応力集中部以外の比較的に荷
重の小さい部分の部材厚さを薄くすることができるの
で、構造材のコストが削減される。In the first embodiment, the reinforcing steel plate 2 is bonded to the stress concentration portion of the building base material 1 such as thin plate steel, so that the apparent member thickness in the stress concentration portion is increased and the cross-sectional performance is improved. improves. Therefore, the member thickness of only the stress concentration portion can be increased by a simple means so that the stress concentration portion does not yield or buckle without increasing the member thickness of the entire base material. That is, since the member thickness of a portion having a relatively small load other than the stress concentration portion can be reduced, the cost of the structural material can be reduced.
【００１７】図３から図６は、本発明の第２実施形態で
ある建築用薄板鋼板３の支圧接合部補強構造を示した図
である。なお、以下の実施形態において、前記の記載と
同一の構成については同一符号を付して説明を省略す
る。FIG. 3 to FIG. 6 are views showing a reinforcing structure for bearing joints of a thin steel plate for construction 3 according to a second embodiment of the present invention. In the following embodiments, the same components as those described above will be designated by the same reference numerals and description thereof will be omitted.
【００１８】図３は、建築用薄板鋼板３と建築用材料６
（合板、ベニヤ材、パーティクルボード、石こうボー
ド、ＭＤＦ、折板、断熱サンドイッチパネル等）とにフ
ァスナー４を貫通させて留め付ける支圧接合構造におい
て、ファスナー穴５ａが開孔された支圧補強鋼板５を用
いて補強した例である。図３の例では、建築用薄板鋼板
３、建築用材料６および支圧補強鋼板５をファスナーが
貫通して、建築用薄板鋼板３と建築用材料６とが支圧接
合されている。なおファスナー４は、釘、ドリルねじ、
ボルト、スクリューくぎ等を包含するものである。FIG. 3 shows a thin steel plate 3 for construction and a construction material 6
In a bearing joint structure for fastening fasteners 4 through (plywood, veneer material, particle board, gypsum board, MDF, folded board, heat insulation sandwich panel, etc.) and fastening them, bearing steel plate with fastener holes 5a opened It is an example reinforced by using No. 5. In the example of FIG. 3, a fastener penetrates the thin building steel plate 3, the building material 6 and the bearing reinforcing steel plate 5, and the thin building steel plate 3 and the building material 6 are pressure-bonded to each other. The fastener 4 is a nail, a drill screw,
It includes bolts, screw nails and the like.
【００１９】建築用薄板鋼板３と建築用材料６との支圧
接合構造では、１枚または２枚の支圧補強鋼板５が用い
られる。例えば、図３（ａ）のように建築用薄板鋼板３
と建築用材料６との間に支圧補強鋼板５を１枚配置して
もよく、図３（ｂ）のように建築用材料６と支圧補強鋼
板５とで建築用薄板鋼板３を挟むように支圧補強鋼板５
を１枚配置してもよい。さらに図３（ｃ）のように建築
用薄板鋼板３を２枚の支圧補強鋼板５で挟み込むように
取付けてもよい。In the bearing-bonding structure of the thin steel plate for building 3 and the building material 6, one or two bearing reinforcing steel plates 5 are used. For example, as shown in FIG. 3 (a), a thin steel plate for construction 3
One supporting pressure-reinforcing steel plate 5 may be disposed between the building material 6 and the building material 6, and the thin building steel plate 3 is sandwiched between the building material 6 and the supporting pressure-reinforcing steel plate 5 as shown in FIG. 3B. Support bearing steel plate 5
You may arrange one sheet. Further, as shown in FIG. 3C, the thin steel plate 3 for construction may be attached so as to be sandwiched between two bearing reinforcing steel plates 5.
【００２０】そして、支圧補強鋼板５は、当接する建築
用薄板鋼板３または建築用材料６の一方あるいは両方
に、接着剤、両面接着テープなどの接着手段で固定され
ている。なお、第２実施形態における支圧補強鋼板５の
大きさは、接着剤または両面接着テープのせん断接着力
の強度と、使用するファスナーの本数によって決定され
る。図４は第２実施形態における支圧補強鋼板５の例を
示した図である。The bearing-supporting steel plate 5 is fixed to one or both of the abutting thin steel plate 3 and the building material 6 by an adhesive means such as an adhesive or a double-sided adhesive tape. The size of the bearing-pressure reinforcing steel plate 5 in the second embodiment is determined by the strength of the shear adhesive force of the adhesive or the double-sided adhesive tape and the number of fasteners used. FIG. 4 is a diagram showing an example of the bearing pressure reinforcing steel plate 5 according to the second embodiment.
【００２１】第２実施形態の支圧接合部補強構造では、
支圧補強鋼板５と、建築用薄板鋼板３または建築用材料
６とが接着されて支圧接合部の見かけ上の部材厚さが増
加する。すなわち、建築用薄板鋼板３または建築用材料
６の板厚に支圧補強鋼板５の板厚が加わるので、ファス
ナー４と接触してせん断方向の力を受けとめる面積が広
がって、ファスナー１本当たりの接合強度が増加する。
したがって、ファスナー４の本数や、部材全体の厚さを
増加させることなく、簡易な手段で支圧接合部のファス
ナー１本当たりの接合強度を増加させて施工コストを削
減できる。In the bearing joint reinforcing structure of the second embodiment,
The bearing pressure-reinforcing steel plate 5 and the building thin steel plate 3 or the building material 6 are adhered to increase the apparent member thickness of the bearing joint. That is, since the plate thickness of the bearing reinforcing steel plate 5 is added to the plate thickness of the thin building steel plate 3 or the building material 6, the area of contact with the fastener 4 and receiving the force in the shearing direction is widened, and each fastener is Bonding strength increases.
Therefore, without increasing the number of fasteners 4 or the thickness of the entire member, it is possible to increase the joint strength per fastener of the bearing joint by a simple means and reduce the construction cost.
【００２２】図５および図６は、２枚の建築用薄板鋼板
３同士にファスナー４を貫通させて留め付ける支圧接合
構造において、接合部に支圧補強鋼板５を用いて補強し
た例である。図５および図６の例では、１枚から４枚の
支圧補強鋼板５を建築用薄板鋼板３の接合部に当接する
ように配置し、支圧補強鋼板５と建築用薄板鋼板３とが
接着されている。FIG. 5 and FIG. 6 show an example in which a pressure-bearing reinforcing steel plate 5 is reinforced at the joint in a bearing-bonding structure in which a fastener 4 is passed through and fastened between two thin steel plates 3 for construction. . In the example of FIG. 5 and FIG. 6, one to four bearing pressure-reinforcing steel plates 5 are arranged so as to abut on the joint portion of the thin steel plate for building 3, and the bearing strengthening steel plate 5 and the thin steel plate for building 3 are arranged. It is glued.
【００２３】ここで、支圧補強鋼板５の取付け例として
は、以下の組み合わせが挙げられる。
（１）一方の建築用薄板鋼板３ａには接合面側のみに支
圧補強鋼板５を接着し、他方の建築用薄板鋼板３ｂには
支圧補強鋼板５を接着しない場合［図５（ａ）］
（２）一方の建築用薄板鋼板３ａには接合面の背面側の
みに支圧補強鋼板５を接着し、他方の建築用薄板鋼板３
ｂには支圧補強鋼板５を接着しない場合［図５（ａ）］
（３）一方の建築用薄板鋼板３ａと他方の建築用薄板鋼
板３ｂにおいて、接合面の背面側にそれぞれ支圧補強鋼
板５を接着した場合［図５（ｃ）］
（４）一方の建築用薄板鋼板３ａには接合面の背面側に
支圧補強鋼板５を接着し、他方の建築用薄板鋼板３ｂに
は接合面側に支圧補強鋼板５を接着した場合［図５
（ｄ）］
（５）一方の建築用薄板鋼板３ａには接合面側および接
合面の背面側に支圧補強鋼板５を接着し、他方の建築用
薄板鋼板３ｂには支圧補強鋼板５を接着しない場合［図
５（ｅ）］
（６）一方の建築用薄板鋼板３ａと他方の建築用薄板鋼
板３ｂにおいて、接合面側に支圧補強鋼板５を接着した
場合［図６（ａ）］
（７）一方の建築用薄板鋼板３ａには接合面側および接
合面の背面側に支圧補強鋼板５を接着し、他方の建築用
薄板鋼板３ｂには接合面の背面側に支圧補強鋼板５を接
着した場合［図６（ｂ）］
（８）一方の建築用薄板鋼板３ａには接合面側および接
合面の背面側に支圧補強鋼板５を接着し、他方の建築用
薄板鋼板３ｂには接合面側に支圧補強鋼板５を接着した
場合［図６（ｃ）］
（９）一方の建築用薄板鋼板３ａと他方の建築用薄板鋼
板３ｂにおいて、接合面側および接合面の背面側に支圧
補強鋼板５を接着した場合［図６（ｄ）］Here, as an example of mounting the bearing pressure reinforcing steel plate 5, the following combinations may be mentioned. (1) In the case where the bearing reinforcing steel plate 5 is adhered only to the joint surface side to the one thin steel plate for construction 3a and the bearing reinforcing steel plate 5 is not adhered to the other thin steel plate for construction 3b [Fig. 5 (a)] (2) The bearing reinforcing steel plate 5 is adhered only to the back side of the joint surface to the one thin steel plate for construction 3a, and the other thin steel plate for construction 3 is used.
When the bearing reinforcement steel plate 5 is not adhered to b [FIG. 5 (a)] (3) The bearing reinforcement steel plate 3a on one side and the sheet steel plate 3b on the other side are respectively attached to the back side of the joint surface. 5 is bonded [FIG. 5 (c)] (4) The bearing reinforcing steel plate 5 is bonded to the back side of the joint surface on one of the building thin steel plates 3a, and the bonding surface is joined on the other building thin steel plate 3b. When the bearing pressure reinforcing steel plate 5 is bonded to the side [Fig. 5
(D)] (5) The bearing reinforcing steel plate 5 is bonded to one of the thin building steel plates 3a on the joint surface side and the back surface side of the joining surface, and the bearing thin reinforcing steel plate 5 is bonded to the other thin steel plate 3b for construction. When not bonded [Fig. 5 (e)] (6) When the bearing pressure-reinforcing steel plate 5 is bonded to the joint surface side of the one thin steel plate for construction 3a and the other thin steel plate for construction 3b [Fig. 6 (a)] (7) The bearing reinforcing steel plate 5 is adhered to the joint surface side and the rear surface side of the joint surface to the one thin steel plate for construction 3a, and the bearing reinforcing steel plate to the rear surface side of the joint surface for the other thin steel plate 3b for construction. 5 is bonded [FIG. 6 (b)] (8) The bearing reinforcing steel plate 5 is bonded to one of the thin steel plates for construction 3a on the joint surface side and the back side of the joint surface, and the other thin steel plate for construction 3b is bonded. When the bearing pressure-reinforcing steel plate 5 is bonded to the joint surface side [Fig. 6 (c)] (9) One thin steel plate for construction 3a and others In building thin steel plate 3b of, when bonding the bearing capacity reinforcing steel 5 on the rear side of the junction surface side and bonding surface [Fig. 6 (d)]
【００２４】図７は本発明の第３実施形態である建築用
薄板鋼板３の支圧接合部補強構造を示した図である。第
３実施形態では、２つの建築用薄板鋼板３ａ，３ｂを直
接に接着剤、両面接着テープで接着して、建築用薄板鋼
板３ａ，３ｂの接着された接合部にファスナー４を挿通
して支圧接合されている。FIG. 7 is a diagram showing a reinforcing structure for bearing joints of a thin steel plate for construction 3 according to a third embodiment of the present invention. In the third embodiment, two building thin steel plates 3a and 3b are directly bonded with an adhesive or a double-sided adhesive tape, and the fastener 4 is inserted into the bonded joint of the thin building steel plates 3a and 3b to support it. It is pressure bonded.
【００２５】薄板鋼板同士をファスナーで支圧接合する
場合には、せん断力または引き剥がし力に対向させるた
めには、薄板鋼板の厚さを十分に大きくする必要があっ
た。すなわち、せん断力の作用時にはファスナー穴付近
に応力が集中してファスナー穴が楕円状に広がりやす
く、引き剥がし力の作用時にはファスナー自体の耐力は
高いものの薄鋼板が曲がってしまうため耐力が必ずしも
十分とはいえなかった。一方、薄板鋼板同士を接着した
場合にはせん断方向の力には強いが、引き剥がし方向の
力には非常に弱かった。When the thin steel plates are pressure-bonded to each other with a fastener, the thickness of the thin steel plates needs to be sufficiently large in order to oppose the shearing force or the peeling force. That is, when a shearing force is applied, stress concentrates near the fastener hole and the fastener hole tends to expand into an elliptical shape.When the peeling force is applied, the fastener itself has a high yield strength, but the thin steel plate bends, so the yield strength is not always sufficient. I couldn't say. On the other hand, when the thin steel plates were adhered to each other, the strength in the shear direction was strong, but the strength in the peeling direction was very weak.
【００２６】そのため第３実施形態では、接着７とファ
スナー４による支圧接合とを組み合わせてせん断方向お
よび引き剥がし方向の耐力を大幅に向上させている。す
なわち、接着７により２枚の薄板鋼板３ａ，３ｂが一体
化しているため、接合部分に作用する引き剥がし力に対
しては面外剛性が４倍となる。また、せん断力に対して
も接着剤等のせん断接着力が有効に機能するので十分な
耐力を有している。Therefore, in the third embodiment, the proof stress in the shearing direction and the peeling direction is significantly improved by combining the adhesive 7 and the pressure-bearing joining with the fastener 4. That is, since the two thin steel plates 3a and 3b are integrated by the adhesive 7, the out-of-plane rigidity is four times as large as the peeling force acting on the joint portion. Further, since the shear adhesive force of the adhesive or the like effectively functions against the shear force, it has sufficient proof stress.
【００２７】[0027]
【発明の効果】第１の発明では、薄板形鋼などの建築用
母材における応力集中部に補強鋼板を接着することによ
り、応力集中部における見かけ上の部材厚さが増加して
断面性能が向上する。したがって、簡易な手段で応力集
中部のみの部材厚さを厚くして、母材全体の部材厚さを
上げることなく応力集中部が降伏または座屈しないよう
にできる。すなわち、応力集中部以外の比較的に荷重の
小さい部分の部材厚さを薄くすることができるので、構
造材のコストが削減されるという効果を奏する。According to the first aspect of the present invention, by bonding the reinforcing steel plate to the stress concentration portion of the building base material such as thin section steel, the apparent member thickness in the stress concentration portion is increased and the sectional performance is improved. improves. Therefore, the member thickness of only the stress concentration portion can be increased by a simple means so that the stress concentration portion does not yield or buckle without increasing the member thickness of the entire base material. That is, since the member thickness of the portion having a relatively small load other than the stress concentration portion can be reduced, the cost of the structural material can be reduced.
【００２８】第２の発明では、建築用薄板鋼板または建
築用材料と支圧補強鋼板とが接着されて支圧接合部の見
かけ上の部材厚さが増加する。すなわち、建築用薄板鋼
板または建築用材料においてファスナーと接触してせん
断方向の力を受けとめる面積が広がるため、ファスナー
１本当たりの接合強度が増加する。したがって、ファス
ナーの本数や、部材全体の厚さを増加させることなく、
簡易な手段で支圧接合部のファスナー１本当たりの接合
強度を増加させて施工コストを削減できるという効果を
奏する。According to the second aspect of the present invention, the thin steel plate for construction or the building material and the bearing reinforcing steel plate are adhered to increase the apparent member thickness of the bearing joint. That is, since the area of the thin steel plate for construction or the construction material that contacts the fastener and receives the force in the shearing direction increases, the bonding strength per fastener increases. Therefore, without increasing the number of fasteners or the thickness of the entire member,
There is an effect that the joint cost per one fastener of the bearing joint can be increased by a simple means to reduce the construction cost.
【００２９】第３の発明では、接着とファスナーによる
支圧接合とを組み合わせてせん断方向および引き剥がし
方向の耐力を大幅に向上させている。すなわち、接着に
より２枚の薄板鋼板が一体化しているため、接合部分に
作用する引き剥がし力に対しては面外剛性が４倍とな
る。また、せん断力に対しても接着剤等のせん断接着力
が有効に機能するので十分な耐力を有している。In the third aspect of the present invention, the proof stress in the shearing direction and the peeling direction is significantly improved by combining the adhesive bonding and the pressure bearing bonding with the fastener. That is, since the two thin steel plates are integrated by adhesion, the out-of-plane rigidity is four times the peeling force that acts on the joint. Further, since the shear adhesive force of the adhesive or the like effectively functions against the shear force, it has sufficient proof stress.
【図１】第１実施形態において、（ａ）は薄板形鋼梁の
補強構造を示した図であり、（ｂ）は薄板形鋼柱の補強
構造を示した図である。FIG. 1A is a diagram showing a reinforcing structure of a thin plate steel beam in the first embodiment, and FIG. 1B is a diagram showing a reinforcing structure of a thin plate steel column.
【図２】第１実施形態において、Ｈ形鋼、Ｚ形鋼、溝形
鋼、リップ付溝形鋼、ボックス形鋼に補強鋼板を接着し
た状態を示す断面図である。FIG. 2 is a cross-sectional view showing a state in which a reinforcing steel plate is bonded to an H-shaped steel, a Z-shaped steel, a grooved steel, a grooved steel with a lip, and a box-shaped steel in the first embodiment.
【図３】第２実施形態において、建築用薄板鋼板と建築
用材料との支圧接合構造に支圧補強鋼板を用いて補強し
た例を示した図である。FIG. 3 is a diagram showing an example in which a bearing pressure-reinforcing steel plate is used to reinforce the bearing-bonding structure between a thin steel plate for building and a building material in the second embodiment.
【図４】第２実施形態における支圧補強鋼板の例を示し
た図である。FIG. 4 is a view showing an example of a bearing pressure reinforcing steel plate according to a second embodiment.
【図５】２枚の建築用薄板鋼板同士にファスナーを貫通
させて留め付ける支圧接合構造において、接合部に支圧
補強鋼板を用いて補強した例である。FIG. 5 shows an example in which a pressure-bearing reinforcing steel plate is used to reinforce the joint in a bearing-bonding structure in which a fastener is passed through and fastened between two thin steel plates for construction.
【図６】２枚の建築用薄板鋼板同士にファスナーを貫通
させて留め付ける支圧接合構造において、接合部に支圧
補強鋼板を用いて補強した例である。FIG. 6 is an example in which a pressure-bearing reinforcing steel plate is used to reinforce the joining portion in a bearing-bonding structure in which a fastener is passed through and fastened between two thin steel plates for construction.
【図７】第３実施形態の支圧接合構造を示す断面図であ
る。FIG. 7 is a sectional view showing a bearing joint structure of a third embodiment.
１ 建築用母材（薄板形鋼） ２ 補強鋼板 ３，３ａ，３ｂ 建築用薄板鋼板 ４ ファスナー ５ 支圧補強鋼板 ５ａ ファスナー穴 ６ 建築用材料 ７ 接着部 ８ 布基礎 1 Base material for construction (sheet steel) 2 Reinforced steel plate 3,3a, 3b Thin steel plate for construction 4 fasteners 5 Bearing reinforcement steel plate 5a fastener hole 6 building materials 7 Adhesive part 8 cloth foundation
Claims (4)
の応力集中部を挟み込むように２枚の補強鋼板を接着し
て、前記建築用母材における応力集中部の部材厚さを部
分的に増加させたことを特徴とする建築用母材の接着に
よる鋼板補強構造。1. A member thickness of a stress-concentrated portion of the building base material is adhered by bonding two reinforcing steel plates so as to sandwich a stress-concentrated portion of a building base material constituting a pillar, a beam, etc. of a building. Steel plate reinforced structure by adhesion of building base material, which is partially increased.
ナーを貫通させて留め付ける支圧接合構造において、前
記建築用薄板鋼板の接合部に１枚または２枚の支圧補強
鋼板を前記建築用薄板鋼板と当接するように配置し、か
つ前記支圧補強鋼板が前記建築用薄板鋼板または前記建
築用材料の少なくともいずれか一方に接着されているこ
とを特徴とする建築用薄板鋼板の支圧接合部の接着によ
る鋼板補強構造。2. A bearing-bonding structure in which a fastener is passed through and fastened to a thin steel plate for construction and a building material, and one or two bearing-reinforced steel plates are provided at the joint portion of the thin steel plate for construction. Bearing steel plate, wherein the bearing pressure-reinforcing steel plate is bonded to at least one of the building thin steel plate and the building material Steel plate reinforced structure with bonded joints.
通させて留め付ける支圧接合構造において、片方あるい
は両方の建築用薄板鋼板の接合部に１枚から４枚の支圧
補強鋼板を前記建築用薄板鋼板と当接するように配置
し、かつ前記支圧補強鋼板は当接している前記建築用薄
板鋼板のいずれかに接着されていることを特徴とする建
築用薄板鋼板の支圧接合部の接着による鋼板補強構造。3. A bearing-bonding structure in which a fastener is passed through and fastened to two thin steel plates for construction, and one or four bearing-reinforced steel plates are provided at the joint portion of one or both thin steel plates for construction. A bearing joint of a thin steel plate for construction, which is arranged so as to abut the thin steel plate for construction, and wherein the bearing reinforcing steel plate is bonded to any of the thin steel plates for construction abutting. Steel plate reinforced structure by adhesion of.
し、かつ建築用薄板鋼板の前記接合部にファスナーを挿
通して支圧接合し、せん断方向および引き剥がし方向の
耐力を向上させたことを特徴とする建築用薄板鋼板の支
圧接合部の接着による鋼板補強構造。4. The two thin steel plates for construction are bonded at a joint, and a fastener is inserted into the joint of the thin steel plate for construction to carry out pressure-bonding to improve the proof stress in the shear direction and the peeling direction. A steel plate reinforced structure by bonding bearing joints of thin steel plates for construction, which is characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002114520A JP2003306980A (en) | 2002-04-17 | 2002-04-17 | Structure for reinforcing steel plate by adhesion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002114520A JP2003306980A (en) | 2002-04-17 | 2002-04-17 | Structure for reinforcing steel plate by adhesion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003306980A true JP2003306980A (en) | 2003-10-31 |
Family
ID=29396302
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002114520A Pending JP2003306980A (en) | 2002-04-17 | 2002-04-17 | Structure for reinforcing steel plate by adhesion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007162329A (en) * | 2005-12-14 | 2007-06-28 | Fujita Corp | Reinforcing method of existing steel-made structure |
| JP2008038335A (en) * | 2006-08-01 | 2008-02-21 | Fujita Corp | Reinforcement construction method for existing steel structural member |
| JP2011006901A (en) * | 2009-06-25 | 2011-01-13 | Across Corp | Joint structure of composite material beam |
-
2002
- 2002-04-17 JP JP2002114520A patent/JP2003306980A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007162329A (en) * | 2005-12-14 | 2007-06-28 | Fujita Corp | Reinforcing method of existing steel-made structure |
| JP2008038335A (en) * | 2006-08-01 | 2008-02-21 | Fujita Corp | Reinforcement construction method for existing steel structural member |
| JP2011006901A (en) * | 2009-06-25 | 2011-01-13 | Across Corp | Joint structure of composite material beam |
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