JPH06182720A - Laminated wood having reinforcing material - Google Patents
Laminated wood having reinforcing materialInfo
- Publication number
- JPH06182720A JPH06182720A JP34250792A JP34250792A JPH06182720A JP H06182720 A JPH06182720 A JP H06182720A JP 34250792 A JP34250792 A JP 34250792A JP 34250792 A JP34250792 A JP 34250792A JP H06182720 A JPH06182720 A JP H06182720A
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing material
- laminated
- reinforcing
- slit
- wooden boards
- 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.)
- Pending
Links
- 239000012779 reinforcing material Substances 0.000 title claims abstract description 55
- 239000002023 wood Substances 0.000 title claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 101700004678 SLIT3 Proteins 0.000 abstract description 2
- 102100027340 Slit homolog 2 protein Human genes 0.000 abstract description 2
- 101710133576 Slit homolog 2 protein Proteins 0.000 abstract description 2
- 102100027339 Slit homolog 3 protein Human genes 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 239000002648 laminated material Substances 0.000 description 19
- 239000002657 fibrous material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、木製板を積層したもの
に補強材を加えた補強材付き集成材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated lumber with a reinforcing material in which a reinforcing material is added to a laminate of wooden boards.
【０００２】[0002]
【従来の技術】集成材に繊維材からなる補強材を付加し
たものとしては、積層固着した木製板間に、補強材層を
挟み込んで貼着し、圧着したものが知られている。2. Description of the Related Art As a laminated material to which a reinforcing material made of a fibrous material is added, there is known one in which a reinforcing material layer is sandwiched and stuck between laminated wooden boards and then pressure-bonded.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記集
成材を繊維材等で補強したものは、木製板間に補強材を
挟み込んで貼着後に圧着して形成したものであり、した
がってこの構造では補強材に接着剤を塗布又は含浸し、
その後木製板へ圧着積層するといった複数工程が必要と
なる。また、従来の補強材付き集成材が単に積層して貼
着したものであるために、例えば集成材を梁に利用した
際に生じるたわみに対しての抑制効果が期待できないと
いう問題点がある。However, the above-mentioned laminated material reinforced with a fibrous material or the like is formed by sandwiching a reinforcing material between wooden boards, adhering it and then crimping it. Therefore, in this structure, the reinforcing material is reinforced. Apply or impregnate the material with an adhesive,
After that, multiple steps such as pressure bonding and lamination on a wooden board are required. Further, since the conventional laminated laminated material is simply laminated and adhered, there is a problem in that it is not possible to expect an effect of suppressing bending that occurs when the laminated material is used as a beam.
【０００４】そこで、本発明の目的は、上記問題点を解
決せんとしたものであり、補強材の木製板への取付け
を、その補強材に接着剤の塗布又は含浸後に木製板と圧
着するといった手間を省いて、より簡単な構造での補強
材付き集成材を提供せんとする。[0004] Therefore, an object of the present invention is to solve the above-mentioned problems, for example, by attaching a reinforcing material to a wooden board by applying an adhesive to the reinforcing material or impregnating the wooden board with the reinforcing material. It is intended to provide a laminated lumber with a reinforcing material with a simpler structure, saving labor.
【０００５】また、本発明の他の目的としては予め集成
材にプレテンションを与えることにより、建物などの構
造物に応用した場合における外部荷重への対応を十分に
した補強材付き集成材を提供せんとする。Further, another object of the present invention is to provide a laminated material with a reinforcing material which is sufficiently pre-tensioned to the laminated material so as to sufficiently cope with an external load when applied to a structure such as a building. I will try.
【０００６】[0006]
【課題を解決するための手段】本発明は上記目的に鑑み
てなされたものであり、その要旨は木製板を複数枚積層
接合した集成材において、該集成材には前記木製板間の
長手方向にスリットを設け、該スリットに補強材を貫装
すると共に、該補強材の両端部を前記集成材の両端に固
定した補強材付き集成材にある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned object, and its gist is a laminated wood in which a plurality of wooden boards are laminated and joined, and the laminated wood includes a longitudinal direction between the wooden boards. A laminated material with a reinforcing member is provided with a slit, the reinforcing material is penetrated into the slit, and both ends of the reinforcing member are fixed to both ends of the laminated member.
【０００７】また、本発明の別の要旨は、該補強材付き
集成材において、集成材が外部荷重で作用する方向とは
逆向きの反りを生じるように補強材に緊張力を与えたも
のにある。Further, another gist of the present invention is that in the laminated material with the reinforcing material, tension is applied to the reinforcing material so as to generate a warp in a direction opposite to a direction in which the laminated material acts by an external load. is there.
【０００８】ここで上記補強材の両端部を固定する手段
としては、集成材の両端に貼着する場合、ボルト等の金
物で固定する場合、補強材を折り返して上方又は下方の
木製板間に挟み込んで圧着固定するものなどが考えられ
る。Here, as a means for fixing both ends of the reinforcing material, when sticking to both ends of the laminated material, fixing with a metal object such as bolts, the reinforcing material is folded back between the upper and lower wooden boards. One that can be sandwiched and fixed by pressure is considered.
【０００９】[0009]
【作用】本発明では、従来通り木製板を貼着して積層
し、該積層した木製板間の長手方向にスリットを設けて
おき、これにシ−ト状の補強材を貫装し、この補強材の
木製板から出た余部を積層した集成材に固定することに
より作成する。In the present invention, the wooden boards are pasted and laminated as in the prior art, and slits are provided in the longitudinal direction between the laminated wooden boards, and a sheet-like reinforcing material is inserted through the slits. It is made by fixing the extra part of the wooden board of the reinforcing material to the laminated laminated wood.
【００１０】また、上記補強材の貫装後、外部からの荷
重とは逆方向に緊張力を与えておくことにより補強材の
組み立て後における荷重に対応する。Further, after the reinforcing material is penetrated, a tension force is applied in a direction opposite to the load from the outside so as to cope with the load after the reinforcing material is assembled.
【００１１】[0011]
【実施例】以下、本発明に係る補強材付き集成材の一実
施例を図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a laminated member with a reinforcing material according to the present invention will be described below with reference to the drawings.
【００１２】本発明の補強材付き集成材１０は、図１
（ｃ）に図示するように５枚の木製板を積層して接合し
たものと、カ-ボン繊維等の無機繊維をシ-ト状にした繊
維材からなる補強材とで構成される。The laminated member 10 with a reinforcing member of the present invention is shown in FIG.
As shown in (c), five wooden boards are laminated and joined together, and a reinforcing material made of sheet material of inorganic fibers such as carbon fibers is formed.
【００１３】繊維材からなる補強材は、木製板の４枚目
の板の長手方向中央部にあるスリットに貫装し、その上
方３枚の木製板の両端部に張設状態で固定している。The reinforcing material made of a fibrous material is penetrated into a slit in the longitudinal center of the fourth wooden board and fixed to both ends of the three wooden boards above it in a stretched state. There is.
【００１４】本実施例の補強材付き集成材１０は、図１
（ｃ）に図示するように、５枚積層接合された木製板
間、特に４枚目の木製板の板厚を薄くし、板の長手方向
中央部を繊維材からなる補強材３を貫装させるのに十分
な幅と厚さをもつスリット２の設けられた集成材と、該
集成材のスリット２に貫装され該集成材両端部に固定さ
れた繊維材からなる補強材３とで構成される。The laminated member 10 with a reinforcing member of this embodiment is shown in FIG.
As shown in (c), the thickness of the five wooden boards that are laminated and joined, particularly the fourth wooden board, is reduced, and the longitudinal center portion of the wooden board is penetrated with the reinforcing material 3 made of a fiber material. And a reinforcing member 3 made of a fibrous material that is penetrated through the slits 2 of the laminated member and fixed to both ends of the laminated member. To be done.
【００１５】図２（ａ）乃至（ｃ）は、スリット２に貫
装された繊維材からなる補強材３の集成材両端部への固
定方法を示す一部破断断面図である。補強材３の固定
は、図２（ａ）に図示するように集成材の端面に折られ
た補強材３’を集成材端面に接着剤４で貼着する方法、
又は図２（ｂ）に図示するように集成材の端面に折られ
た補強材３’を金属板５にて上から押圧しておき、これ
をボルト６により補強材３’及び金属板５を集成材端面
に固定する方法、あるいは図２（ｃ）に図示するように
集成材端面に折られた補強材３’をさらに上方（又は下
方）に折り返して１枚目と２枚目の木製板間７に挟み込
んで圧着し、接着剤４にて貼着する方法によって行なわ
れる。2 (a) to 2 (c) are partially cutaway sectional views showing a method of fixing the reinforcing material 3 made of a fibrous material penetrating the slit 2 to both ends of the laminated material. As shown in FIG. 2 (a), the reinforcing material 3 is fixed by a method in which a reinforcing material 3'folded on the end surface of the laminated material is attached to the end surface of the laminated material with an adhesive 4,
Alternatively, as shown in FIG. 2 (b), the reinforcing member 3 ′ folded on the end face of the laminated member is pressed from above by the metal plate 5, and the reinforcing member 3 ′ and the metal plate 5 are fixed by the bolt 6 The method of fixing to the end surface of the laminated wood, or as shown in FIG. 2 (c), the reinforcing material 3'folded on the end surface of the laminated wood is further folded back upward (or downward) to make the first and second wooden boards. It is carried out by a method in which it is sandwiched between the spaces 7 and pressure-bonded, and the adhesive 4 is applied.
【００１６】図３（ａ）乃び（ｂ）は、補強材３に緊張
力Ａを与えた際の説明のための断面図である。図３
（ａ）に図示するように、集成材に設けられたスリット
に貫装された繊維材からなる補強材３に緊張力Ａを与
え、緊張力Ａを保持したまま、図２にて図示したいずれ
かの方法にて補強材３’を集成材端面に固定する。補強
材が集成材端面に十分に固着された後、緊張力Ａの保持
を解除する。こうしておくと緊張力Ａの保持を解除され
た補強材３の長手方向には圧縮力が作用し、集成材１０
には外部荷重Ｂで作用する方向とは逆向きの反りが生
じ、外部荷重Ｂで作用する方向に生じる反りを抑制する
（図３（ｂ））。FIGS. 3 (a) and 3 (b) are sectional views for explaining the tension A applied to the reinforcing material 3. As shown in FIG. Figure 3
As shown in (a), a tension force A is applied to the reinforcing material 3 made of a fibrous material that is penetrated into the slits provided in the laminated member, and the tension force A is maintained and any one of those shown in FIG. The reinforcing material 3'is fixed to the end surface of the laminated material by this method. After the reinforcing material is sufficiently fixed to the end surface of the laminated material, the holding of the tension A is released. By doing so, a compressive force acts in the longitudinal direction of the reinforcing member 3 from which the retention of the tension force A is released, and the laminated member 10
Warp occurs in the direction opposite to the direction in which the external load B acts, and suppresses the warp in the direction in which the external load B acts (FIG. 3B).
【００１７】図４及び図５は、補強材付き集成材１０を
片持梁２０等の曲線部材に用いた実施例とその際の補強
材への緊張力導入装置としてのスクリュ−ジャッキ２１
の断面図及び正面図である。補強材付き集成材１０を用
いた片持梁２０は、繊維材からなる補強材３を貫装させ
るのに十分な幅と厚さのスリット（図示せず）の設けら
れた集成材１０と、該集成材のスリットに貫装され両端
部に固定された繊維材からなる補強材３と、繊維材から
なる補強材３に緊張力を導入するためのスクリュ−ジャ
ッキ２１とで構成されている。4 and 5 show an embodiment in which the laminated member 10 with a reinforcing member is used as a curved member such as a cantilever 20, and a screw jack 21 as a tension introducing device for the reinforcing member at that time.
FIG. 3 is a sectional view and a front view of FIG. The cantilever 20 using the laminated member 10 with the reinforcing member includes an laminated member 10 provided with slits (not shown) having a width and a thickness sufficient to penetrate the reinforcing member 3 made of a fibrous material, The reinforcing member 3 is made of a fibrous material and is inserted into the slits of the laminated material and fixed to both ends thereof, and the screw jack 21 for introducing a tension force to the reinforcing material 3 of the fibrous material.
【００１８】繊維材からなる補強材３は、図２に図示し
たいずれかの方法によって片持梁の両端面に固定され、
アウトケ−ブル方式２１ａあるいは埋込方式２１ｂのス
クリュ−ジャッキ２１をジャッキアップＤすることによ
って緊張力Ｅが与えられる。緊張力Ｅの作用により、外
部荷重で作用する方向に生じる梁の反りを抑制する。The reinforcing material 3 made of a fibrous material is fixed to both end surfaces of the cantilever by any of the methods shown in FIG.
A tension E is applied by jacking up the screw jack 21 of the out-cable system 21a or the embedding system 21b. The tension force E suppresses the warp of the beam in the direction in which the external load acts.
【００１９】補強材付き集成材に設けるスリットの位置
は、補強材に緊張力を与えた際に、補強材付き集成材に
外部荷重Ｃで作用する方向とは逆向きの反りを生じるよ
うに、集成材断面中心軸より下方又は上方に設ける。The positions of the slits provided in the laminated member with the reinforcing member are such that when a tension force is applied to the laminated member, the warp in the direction opposite to the direction in which the external load C acts on the laminated member with the reinforcing member, Provided below or above the central axis of the laminated wood section.
【００２０】[0020]
【発明の効果】本発明の補強材付き集成材は、複数枚積
層接合された木製板間に設けられたスリットに補強材が
貫装され、補強材の両端部が該集成材両端部に固定され
たものであるので、木製板に補強材を圧着するといった
手間が省け、またこうした補強材により集成材にプレテ
ンションを与えることができるため、建物などの構造物
に応用した場合における外部荷重への対応を十分にとる
ことができる。EFFECTS OF THE INVENTION In the laminated wood with reinforcing material of the present invention, the reinforcing material is inserted into the slits provided between the plurality of laminated wooden boards, and both ends of the reinforcing material are fixed to both ends of the laminated material. Since it has been designed, it is possible to save the trouble of crimping the reinforcing material to the wooden board, and it is possible to apply pretension to the laminated wood with such reinforcing material, so that it can be applied to external loads when applied to structures such as buildings. Can be taken sufficiently.
【図１】図１は、補強材付き集成材の製法説明のための
一部破断斜視図である。FIG. 1 is a partially cutaway perspective view for explaining a manufacturing method of a laminated material with a reinforcing material.
【図２】図２は、補強材の集成材両端部への固定方法を
示すための一部破断断面図である。FIG. 2 is a partially cutaway sectional view showing a method of fixing a reinforcing member to both end portions of a laminated member.
【図３】図３は、補強材に緊張力を与えた際の効果を説
明するための断面図である。FIG. 3 is a cross-sectional view for explaining an effect when a tension force is applied to the reinforcing material.
【図４】図４は、補強材付き集成材を片持梁等の曲線部
材に用いた際の断面図である。FIG. 4 is a cross-sectional view when a laminated member with a reinforcing member is used for a curved member such as a cantilever.
【図５】図５は、補強材付き集成材を片持梁等の曲線部
材に用いた際の補強材への緊張力導入装置としてのスク
リュ−ジャッキ２１の一部破断断面図及び正面図であ
る。FIG. 5 is a partially cutaway sectional view and a front view of a screw jack 21 as a tension force introducing device to a reinforcing member when a laminated member with a reinforcing member is used for a curved member such as a cantilever. is there.
１ 木製板 ２ スリット ３ 繊維材からなる補強材 ５ 金属板 ６ ボルト １０ 補強材付き集成材 ２０ 片持梁 ２１ａ アウトケ−ブル方式スクリュ−ジャッキ ２１ｂ 埋込方式スクリュ−ジャッキ DESCRIPTION OF SYMBOLS 1 Wooden board 2 Slit 3 Reinforcing material made of fiber material 5 Metal plate 6 Bolt 10 Laminated material with reinforcing material 20 Cantilever 21a Outcable type screw jack 21b Embedded type screw jack
Claims (2)
いて、該集成材には前記木製板間の長手方向にスリット
を設け、該スリットに補強材を貫装すると共に、該補強
材の両端部を前記集成材の両端に固定した補強材付き集
成材。1. A laminated wood member in which a plurality of wooden boards are laminated and joined, a slit is provided in the laminated wood in the longitudinal direction between the wooden boards, and a reinforcing material is penetrated through the slits, and both ends of the reinforcing material. Laminated timber with reinforcements, with parts fixed to both ends of the laminated lumber.
は逆向きの反りを生じるように補強材に緊張力を与えた
ものである請求項１に記載の補強材付き集成材。2. The laminated member with a reinforcing member according to claim 1, wherein the reinforcing member is provided with a tension force so as to generate a warp in a direction opposite to a direction in which the laminated member acts with an external load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34250792A JPH06182720A (en) | 1992-12-22 | 1992-12-22 | Laminated wood having reinforcing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34250792A JPH06182720A (en) | 1992-12-22 | 1992-12-22 | Laminated wood having reinforcing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06182720A true JPH06182720A (en) | 1994-07-05 |
Family
ID=18354285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34250792A Pending JPH06182720A (en) | 1992-12-22 | 1992-12-22 | Laminated wood having reinforcing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06182720A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5685114A (en) * | 1995-03-20 | 1997-11-11 | Tanaka Masakatsu Design Office Co., Ltd. | Structural member, floor structure, and roof structure for wooden building and a method of building with the same |
| JP2018089896A (en) * | 2016-12-06 | 2018-06-14 | 帝人株式会社 | Method for manufacturing laminated lumber |
| JP2019120090A (en) * | 2018-01-10 | 2019-07-22 | 帝人株式会社 | Wooden floor material and construction method |
-
1992
- 1992-12-22 JP JP34250792A patent/JPH06182720A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5685114A (en) * | 1995-03-20 | 1997-11-11 | Tanaka Masakatsu Design Office Co., Ltd. | Structural member, floor structure, and roof structure for wooden building and a method of building with the same |
| JP2018089896A (en) * | 2016-12-06 | 2018-06-14 | 帝人株式会社 | Method for manufacturing laminated lumber |
| JP2019120090A (en) * | 2018-01-10 | 2019-07-22 | 帝人株式会社 | Wooden floor material and construction method |
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