JP2820768B2 - Concrete building materials - Google Patents
Concrete building materialsInfo
- Publication number
- JP2820768B2 JP2820768B2 JP9855190A JP9855190A JP2820768B2 JP 2820768 B2 JP2820768 B2 JP 2820768B2 JP 9855190 A JP9855190 A JP 9855190A JP 9855190 A JP9855190 A JP 9855190A JP 2820768 B2 JP2820768 B2 JP 2820768B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- carbon fiber
- reinforcing
- concrete building
- building materials
- 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.)
- Expired - Fee Related
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、軽量気泡コンクリートパネル等のコンクリ
ート建材に関する。Description: TECHNICAL FIELD The present invention relates to concrete building materials such as lightweight cellular concrete panels.
［背景技術］ 従来、例えばオトクレーブ養生した軽量気泡コンクリ
ート（ALC）製パネルにおいては、その曲げ強度を改善
する目的で、基材中に繊維を補強材として混入してい
る。この補強用繊維としては、オートクレーブの高温
（例えば180℃）、高圧（例えば10気圧）及びコンクリ
ートの強アルカリ性に耐え得るアスベスト、パルプ又は
炭素繊維が使用可能であり、例えば合成樹脂系の繊維や
ガラス繊維は、オートクレーブと強アルカリ性によって
劣化するため、使用できない。BACKGROUND ART Conventionally, for example, in a lightweight aerated concrete (ALC) panel cured by otoclave, a fiber is mixed as a reinforcing material in a base material for the purpose of improving its bending strength. As the reinforcing fiber, asbestos, pulp or carbon fiber that can withstand the high temperature (for example, 180 ° C.) of an autoclave, the high pressure (for example, 10 atm) and the strong alkalinity of concrete can be used. For example, synthetic resin fiber or glass Fibers cannot be used because they are degraded by autoclaving and strong alkalinity.
［発明が解決しようとする課題］ 上記補強材のうち、アスベストは、現在環境汚染物質
として使用が制限されており、パルプは、補強効果が劣
っている。従って、炭素繊維が、オートクレーブと強ア
ルカリに対する高い安定性の点から補強材として最適と
いうことになる。しかし、炭素繊維の場合、コンクリー
ト基材との付着性が悪いため、期待した程の補強効果が
得られていない。[Problems to be Solved by the Invention] Among the above reinforcing materials, asbestos is currently restricted in use as an environmental pollutant, and pulp has a poor reinforcing effect. Therefore, carbon fiber is optimal as a reinforcing material from the viewpoint of high stability in an autoclave and a strong alkali. However, in the case of carbon fiber, the adhesion to the concrete substrate is poor, so that the expected reinforcing effect has not been obtained.
そこで、本発明は、補強材としての炭素繊維とコンク
リート基材との付着性を改善したコンクリート建材を提
供することを目的とする。Therefore, an object of the present invention is to provide a concrete building material having improved adhesion between carbon fiber as a reinforcing material and a concrete base material.
［課題を解決するための手段及び作用］ 本発明に係るコンクリート建材は、コンクリート基材
中に、フェノキシ樹脂がコーティングされた炭素繊維よ
り成る補強材が含まれていることを特徴とする。従っ
て、このフェノキシ樹脂を介してコンクリート建材と補
強材との良好な付着性が得られ、炭素繊維の有する補強
効果が充分に発揮される。[Means and Actions for Solving the Problems] A concrete building material according to the present invention is characterized in that a concrete base material contains a reinforcing material made of carbon fiber coated with a phenoxy resin. Therefore, good adhesion between the concrete building material and the reinforcing material is obtained via the phenoxy resin, and the reinforcing effect of the carbon fiber is sufficiently exhibited.
前記コンクリート建材のコンクリートには、全てのコ
ンクリートが含まれ、例えば軽量骨材コンクリート、常
圧養生軽量気泡コンクリート、オートクレーブ養生軽量
気泡コンクリート等も含まれる。The concrete of the concrete building material includes all types of concrete, for example, lightweight aggregate concrete, normal pressure cured lightweight cellular concrete, and autoclave cured lightweight cellular concrete.
前記コンクリート建材の建材には、パネル、ブロック
等任意の建材が含まれる。The building materials of the concrete building materials include arbitrary building materials such as panels and blocks.
前記炭酸繊維より成る補強材は、炭素繊維を適当な長
さに切断したものだけではなく、炭素繊維を縄状や網状
に編成したもの、縄状炭素繊維を立体的に成形したもの
等であってもよい。The reinforcing material made of the carbon fiber is not only a material obtained by cutting the carbon fiber into an appropriate length, but also a material obtained by knitting the carbon fiber into a rope shape or a net shape, a material obtained by three-dimensionally forming the rope shape carbon fiber, and the like. You may.
炭素繊維へのフェノキシ樹脂のコーティングは、例え
ば炭素繊維を所定濃度のフェノキシ樹脂溶液の中に浸漬
した後、所定温度で焼き付けることにより行うことがで
きる。The coating of the phenoxy resin on the carbon fiber can be performed, for example, by immersing the carbon fiber in a phenoxy resin solution having a predetermined concentration and baking it at a predetermined temperature.
［実施例］ 本発明を、オートクレーブ養生軽量気泡コンクリート
（ALC）製パネルに適用した場合の一実施例を、その製
法と共に説明する。[Example] An example in which the present invention is applied to an autoclave-cured lightweight cellular concrete (ALC) panel will be described together with a production method thereof.
先ず、次のようにして、フェノキシ樹脂がコーティン
グされた炭素繊維より成る補強材を作製して用意する。First, a reinforcing material made of carbon fiber coated with a phenoxy resin is prepared and prepared as follows.
第１図に示すように、製造された炭素繊維１を低濃度
（例えば濃度５％）のフェノキシ樹脂溶液中に浸漬した
後、直ちに例えば170℃の温度で焼き付けて炭素繊維１
の表面にフェノキシ樹脂の塗膜２をコーティングする。
次に、冷却後、図面の２点鎖線Ａの位置で等間隔に切断
して適当な長さの炭素繊維１を得、これらの炭素繊維１
を本実施例で使用する補強材とする。なお、切断された
炭素繊維１の切断面には、炭素繊維が露出しているが、
その面積が微小であるため、補強効果には何等影響しな
い。As shown in FIG. 1, the manufactured carbon fiber 1 is immersed in a low-concentration (for example, 5%) phenoxy resin solution, and immediately baked at a temperature of, for example, 170 ° C.
Is coated with a coating film 2 of phenoxy resin.
Next, after cooling, the carbon fibers 1 were cut at regular intervals at the position indicated by the two-dot chain line A in the drawing to obtain carbon fibers 1 having an appropriate length.
Is a reinforcing material used in the present embodiment. Although the carbon fiber is exposed on the cut surface of the cut carbon fiber 1,
Since the area is very small, it has no effect on the reinforcing effect.
原料としてポルトランドセメント、珪石粉末、消石
灰、石膏、起泡剤、補強材及び水を下記の割合で混合
し、ミキサ中で撹拌してコンクリートスラリーを調製し
た。Portland cement, silica powder, slaked lime, gypsum, a foaming agent, a reinforcing material, and water were mixed at the following ratios as raw materials, and stirred in a mixer to prepare a concrete slurry.
スラリーの組成 ポルランドセメント……45重量部 珪石粉末 ……55重量部 消石灰 ……５重量部 石膏 ……１重量部 起泡剤 ……１重量部 補強材 ……２重量部 水 ……50重量部 次に、成形用型枠内に、このコンクリートスラリーを
打設してパネルに成形した。Composition of slurry Portland cement 45 parts by weight Silica powder 55 parts by weight Slaked lime 5 parts by weight Gypsum 1 part by weight Foaming agent 1 part by weight Reinforcement 2 parts by weight Water 50 parts by weight Part Next, this concrete slurry was cast into a forming mold to form a panel.
次に、このパネルに例えば180℃、10気圧、８時間の
条件でオートクレーブ養生を施して本実施例に係るALC
製パネルを得た。Next, the panel was subjected to autoclave curing under the conditions of, for example, 180 ° C., 10 atm, and 8 hours, and the ALC according to the present example was performed.
Panels were obtained.
本実施例に係るALC製パネルによれば、コンクリート
基材中に含有されている炭素繊維１は、その表面にフェ
ノキシ樹脂塗膜２がコーティングされたものであるた
め、炭素繊維１は、このフェノキシ樹脂塗膜２を介して
コンクリート基材と良好に付着している。従って、炭素
繊維１とコンクリート基材との付着性が良いため、ALC
製パネル内において炭素繊維１の補強効果が充分発揮さ
れ、曲げ強度の良好なALC製パネルが得られた。According to the panel made of ALC according to the present embodiment, since the carbon fiber 1 contained in the concrete base material has the surface coated with the phenoxy resin coating film 2, the carbon fiber 1 It adheres well to the concrete substrate via the resin coating film 2. Therefore, since the adhesion between the carbon fiber 1 and the concrete substrate is good, ALC
The reinforcing effect of the carbon fiber 1 was sufficiently exhibited in the panel made of ALC, and an ALC panel having good bending strength was obtained.
なお、上記実施例では、コンクリート建材のコンクリ
ートをオートクレーブ養生軽量気泡コンクリートとした
が、本発明においては、例えば軽量骨材コンクリート、
常圧養生軽量気泡コンクリート等の全てのコンクリート
に対して適用することができる。In the above embodiment, the concrete of the concrete building material was autoclaved lightweight cellular concrete, but in the present invention, for example, lightweight aggregate concrete,
It can be applied to all types of concrete, such as light pressure cured lightweight cellular concrete.
また、上記実施例では、建材の例をパネルとしたが、
ブロック等その建材の種類は任意である。Also, in the above embodiment, the example of the building material was a panel,
The type of building material, such as a block, is arbitrary.
更に、上記実施例では、補強材を適当な長さに切断さ
れた炭素繊維１としたが、補強材としては、これに限ら
れず、炭素繊維１が縄状や網状に編成されたもの、縄状
炭素繊維が配筋材として立体的に成形されたもの等であ
ってもよい。Furthermore, in the above embodiment, the reinforcing material is the carbon fiber 1 cut to an appropriate length, but the reinforcing material is not limited to this, and the carbon fiber 1 is knitted in a rope shape or a net shape, It may be one in which carbon fibers are three-dimensionally formed as reinforcing members.
［発明の効果］ 本発明に係るコンクリート建材によれば、補強材とし
ての炭素繊維とコンクリート基材との付着性を改善する
ことができ、曲げ強度の大きいコンクリート建材が得ら
れる。[Effects of the Invention] According to the concrete building material according to the present invention, the adhesion between the carbon fiber as a reinforcing material and the concrete base material can be improved, and a concrete building material having high bending strength can be obtained.
第１図は本発明の実施例に係るフェノキシ樹脂塗膜がコ
ーティングされた炭素繊維の断面図である。 １……炭素繊維、２……フェノキシ樹脂塗膜。FIG. 1 is a cross-sectional view of a carbon fiber coated with a phenoxy resin coating film according to an embodiment of the present invention. 1 ... carbon fiber, 2 ... phenoxy resin coating.
Claims (1)
コーティングされた炭素繊維より成る補強材が含まれて
いることを特徴とするコンクリート建材。1. A concrete building material characterized in that a concrete base material contains a reinforcing material made of carbon fiber coated with a phenoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9855190A JP2820768B2 (en) | 1990-04-13 | 1990-04-13 | Concrete building materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9855190A JP2820768B2 (en) | 1990-04-13 | 1990-04-13 | Concrete building materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03295838A JPH03295838A (en) | 1991-12-26 |
| JP2820768B2 true JP2820768B2 (en) | 1998-11-05 |
Family
ID=14222826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9855190A Expired - Fee Related JP2820768B2 (en) | 1990-04-13 | 1990-04-13 | Concrete building materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2820768B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0564322U (en) * | 1992-02-10 | 1993-08-27 | 株式会社大林組 | Carbon fiber concrete plate |
| US8323786B2 (en) | 2006-10-26 | 2012-12-04 | Kanaflex Corporation Inc. | Lightweight cement panel |
| JP5336720B2 (en) * | 2006-10-26 | 2013-11-06 | カナフレックスコーポレーション株式会社 | Panel for construction and civil engineering |
| JP2009074345A (en) * | 2006-12-04 | 2009-04-09 | Kanaflex Corporation | Lightweight cement panel |
| JP2010007447A (en) * | 2007-10-31 | 2010-01-14 | Kanaflex Corporation | Underground buried box |
| JP4842918B2 (en) * | 2007-12-08 | 2011-12-21 | カナフレックスコーポレーション株式会社 | Lightweight cement panels |
-
1990
- 1990-04-13 JP JP9855190A patent/JP2820768B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03295838A (en) | 1991-12-26 |
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