JPH0256301B2 - - Google Patents
Info
- Publication number
- JPH0256301B2 JPH0256301B2 JP22497982A JP22497982A JPH0256301B2 JP H0256301 B2 JPH0256301 B2 JP H0256301B2 JP 22497982 A JP22497982 A JP 22497982A JP 22497982 A JP22497982 A JP 22497982A JP H0256301 B2 JPH0256301 B2 JP H0256301B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing material
- resin
- metal wire
- roving
- cement
- 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
Links
- 239000000463 material Substances 0.000 claims description 25
- 239000012779 reinforcing material Substances 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000004568 cement Substances 0.000 claims description 12
- 239000003365 glass fiber Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- -1 2-80% Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 claims 1
- 239000010440 gypsum Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000003513 alkali Substances 0.000 description 3
- 239000011381 foam concrete Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
Description
【発明の詳細な説明】
本発明は水硬性材料用補強材、特に軽量気泡コ
ンクリートの補強材に係るものである。
軽量気泡コンクリートに代表される水硬性構造
材料は、その一部を除いて従来から鉄筋が用いら
れてきた。
鉄筋は形態や強度を比較的容易に工作によつて
変え得る利点がある反面、長期間の使用により錆
が生じ、初期強度を保証出来なくなる欠点があ
る。この対策として防錆剤を施こすことが行なわ
れているが、これが比較的高価であると共に、そ
れ程長期間にわたつて有効でない欠点を有してい
る。
本発明者は、これら鉄筋が有している諸欠点を
排除し、長期間にわたり補強材としての強度を維
持し、しかも比較的安価な補強材を見出すことを
目的として種々研究、検討した結果、硝子繊維か
ら成るロービングを特定の形態にして用いること
により、前記目的を達成し得ることを見出した。
かくて本発明は、ほぼ中心部に金属線を有し、
その周囲に硝子繊維のロービングが配され、該ロ
ービングの少なくとも周囲が樹脂により硬化さ
れ、更に該樹脂露出部がセメント含有材料により
被覆硬化されてなる水硬性材料用補強材を提供す
るにある。
本発明において用いられる金属線としては、例
えば鉄、銅、ステンレス、軟鋼鋼板、ピアノ線等
の適宜な材料を用いることが出来、その太さは直
径0.5〜2.5mm程度を採用するのが適当である。
又金属線の周囲には硝子繊維のロービングが配
されるが、かかるロービングとしては、モノフイ
ラメントが3000〜20000本程度であり、酢酸ビニ
ール等の収束剤によつて収束されたものが用いら
れる。これらロービングは通常５〜20本程度を、
金属線の周囲にほぼ均一に金属線の長手方向に沿
つて配される。これら金属線とロービングとの使
用割合は、前者が後者に対して10〜50容量％程度
を採用するのが適当である。
又硝子繊維としては、通常のＥガラスを用いる
ことも出来るが、好ましくは耐アルカリ性硝子繊
維を用いるのが適当である。
かくして金属線の周囲に配されたロービング
は、その少なくとも前記金属線と同周円に位置す
る外表面、即ち周囲に樹脂が付与され、硬化され
る。
このとき樹脂は、厳密にロービングの周囲だけ
に付与する必要がある訳でなく、更に金属線に近
づく樹脂をロービングに浸透せしめても勿論差し
支えない。
用いられる樹脂としては例えばエポキシ樹脂、
アクリル樹脂、スチレン樹脂、酢酸ビニル樹脂等
を適宜用いることが出来るが、これら樹脂のうち
エポキシ樹脂を採用する場合には、耐アルカリ
性、耐熱性が良好なので好ましい。
又、樹脂の使用量は、補強材全重量の0.5〜５
重量％程度を採用するのが適当である。樹脂の使
用量が前記範囲を逸脱する場合には、補強材とし
ての十分な強度、特に曲げ強度が得られなかつた
り、樹脂の一部がロービングから剥離し、補強材
としての意味をなさなくなる虞れがあるので何れ
も好ましくない。
次に本発明においては、ロービングの少なくと
も周囲が樹脂により硬化された部分、即ち樹脂露
出部に対し、更にセメント含有材料により被覆硬
化せしめる。かくすることにより、水硬性材料
と、本発明による補強材とのなじみが良好とな
り、補強材としての効果を最大限に発揮すること
が可能となる。かかるセメント含有材料として
は、各種セメント単味であつても勿論よいが、
種々の水硬性材料とのなじみを考慮すると、例え
ばセメント、２〜80％、スラグ０〜80％、石膏０
〜20％、シリカダスト０〜30％、繊維類０〜30
％、骨材０〜50％等の組成によつて構成されるの
が特に好ましい。
そしてかかるセメント含有材料の使用量は、補
強材全重量に対し、70〜95重量％程度を採用する
のが適当である。かかる範囲を逸脱する場合に
は、被補強材料である水硬性材料とのなじみが悪
く、十分な補強効果を得難くなる虞れがあるので
好ましくない。
かくして得られた補強材は水硬性材料の補強に
用いられるが、かかる水硬性材料としては、例え
ば軽量気泡コンクリート、珪酸カルシウム板、各
種GRC製品、各種セメント製品、等を適宜選択
使用し得る。
そして、本発明による補強材は、被補強体であ
る水硬性材料が硬化する前に適宜な本数を入れ、
該水硬性材料を夫々公知の手段で硬化せしめれば
よい。
本発明による補強材は、通常は直線状の形態で
あるが、所望により折れ曲げた形状或は特定の形
状に予め成形したものを用いることも出来る。こ
れら形状の保持は、芯材となる金属線によつて行
なわれる。
本発明による補強材は、高い強度が得られ、錆
びの発生がなく、又万が一折損しても中心部に存
在する金属線によつて水硬性材料がその部分から
落下するようなことはない。
次に本発明を実施例により説明する。
実施例
セメント52重量部、シリカダスト20重量部、ケ
イ砂10重量部、繊維としてウオラストナイト、パ
ルプ、ガラス繊維（チヨツプドストランド）を
各々５重量部、増粘剤としてハイメトローズ３重
量部及び水21重量部の混合物を押出機により直径
15mmの棒状に押出成形する。この時同時に耐アル
カリガラス繊維のロービング（13μ×210end×32
本）８本にエマルジヨン系のエポキシ樹脂を含浸
させながら押出材の周囲に又、直径２mmの鋼線が
押出材の中心に位置するように各々をダイスの部
分と押出機の軸から挿入し押出成形を行つた。こ
の成形物を10Kg／cm2の蒸気圧下で５時間処理した
ものの曲げ強度は1050Kg／cm2であつた。
上記と同様にしてエポキシ樹脂を含浸したロー
ビング８本と１mm又は２mmの針金及び鋼線を挿入
した押出材を作成しこれを100×600×2990mmの
ALCカベ版に縦筋としてかぶり厚15mmとしALC
版の上部に３本、下部に５本配し常法により
ALC版を製造した。このALC版をJIS5416−1972
に基づいて試験した結果を表に示す。
【表】DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a reinforcement for hydraulic materials, particularly for lightweight cellular concrete. Reinforcing bars have traditionally been used for hydraulic structural materials, such as lightweight cellular concrete, with some exceptions. Although reinforcing bars have the advantage that their shape and strength can be changed relatively easily by machining, they have the disadvantage that they rust due to long-term use, and their initial strength cannot be guaranteed. As a countermeasure against this problem, a rust preventive agent is applied, but this method is relatively expensive and has the disadvantage that it is not effective for a long period of time. As a result of various studies and examinations, the present inventor has conducted various studies and examinations with the aim of finding a reinforcing material that eliminates the various drawbacks of these reinforcing bars, maintains its strength as a reinforcing material over a long period of time, and is relatively inexpensive. It has been found that the above object can be achieved by using a roving made of glass fibers in a specific form. Thus, the present invention has a metal wire almost in the center,
To provide a reinforcing material for a hydraulic material, in which a glass fiber roving is arranged around the roving, at least the periphery of the roving is hardened with a resin, and the resin exposed part is coated and hardened with a cement-containing material. As the metal wire used in the present invention, suitable materials such as iron, copper, stainless steel, mild steel plate, piano wire, etc. can be used, and it is appropriate to adopt a thickness of about 0.5 to 2.5 mm in diameter. be. Further, a roving of glass fibers is placed around the metal wire, and the roving has about 3,000 to 20,000 monofilaments bound together with a binding agent such as vinyl acetate. These rovings are usually about 5 to 20,
They are arranged almost uniformly around the metal wire along the longitudinal direction of the metal wire. It is appropriate that the ratio of the metal wires and rovings used is about 10 to 50% by volume of the former relative to the latter. Although ordinary E-glass can be used as the glass fiber, it is preferable to use alkali-resistant glass fiber. In this way, the roving arranged around the metal wire is coated with resin on at least its outer surface located on the same circumference as the metal wire, that is, on its periphery, and is cured. At this time, it is not necessary to strictly apply the resin only to the periphery of the roving, and it is of course possible to allow the resin closer to the metal wire to penetrate into the roving. Examples of resins used include epoxy resin,
Acrylic resin, styrene resin, vinyl acetate resin, etc. can be used as appropriate, but among these resins, it is preferable to use epoxy resin because it has good alkali resistance and heat resistance. Also, the amount of resin used is 0.5 to 5 of the total weight of the reinforcing material.
It is appropriate to adopt approximately % by weight. If the amount of resin used exceeds the above range, there is a risk that sufficient strength as a reinforcing material, especially bending strength, may not be obtained, or a portion of the resin may peel off from the roving, making it useless as a reinforcing material. Both are unfavorable because of this. Next, in the present invention, at least the portion of the roving around which the resin has been hardened, that is, the exposed resin portion, is further coated and hardened with a cement-containing material. By doing so, the hydraulic material and the reinforcing material according to the present invention are well compatible with each other, and it is possible to maximize the effectiveness of the reinforcing material. As such cement-containing materials, it is of course possible to use various types of cement alone, but
Considering compatibility with various hydraulic materials, for example, cement, 2-80%, slag 0-80%, plaster 0
~20%, silica dust 0~30%, fibers 0~30
%, aggregate content of 0 to 50%, etc. is particularly preferable. The amount of cement-containing material to be used is preferably about 70 to 95% by weight based on the total weight of the reinforcing material. If it deviates from this range, it is not preferable because it may not be compatible with the hydraulic material that is the material to be reinforced, and it may be difficult to obtain a sufficient reinforcing effect. The reinforcing material thus obtained is used for reinforcing hydraulic materials, and as such hydraulic materials, for example, lightweight cellular concrete, calcium silicate plates, various GRC products, various cement products, etc. can be appropriately selected and used. Then, the reinforcing material according to the present invention is inserted in an appropriate number before the hydraulic material that is the reinforced body hardens.
The hydraulic material may be cured by a known method. The reinforcing material according to the present invention is usually in the form of a straight line, but it is also possible to use a reinforcing material that is bent or preformed into a specific shape as desired. These shapes are maintained by a metal wire serving as a core material. The reinforcing material according to the present invention has high strength, does not rust, and even if it breaks, the metal wire in the center will prevent the hydraulic material from falling from that part. Next, the present invention will be explained by examples. Example 52 parts by weight of cement, 20 parts by weight of silica dust, 10 parts by weight of silica sand, 5 parts by weight each of wollastonite, pulp, and glass fiber (chopped strand) as fibers, 3 parts by weight of Hymetrose as a thickener A mixture of 21 parts by weight of water and
Extrude into a 15mm rod. At the same time, alkali-resistant glass fiber roving (13μ×210end×32
8 wires are impregnated with emulsion-based epoxy resin and inserted around the extruded material through the die and the shaft of the extruder so that the 2 mm diameter steel wire is located at the center of the extruded material. I did the molding. When this molded product was treated under a steam pressure of 10 Kg/cm 2 for 5 hours, the bending strength was 1050 Kg/cm 2 . In the same manner as above, an extruded material was made by inserting 8 rovings impregnated with epoxy resin and 1 mm or 2 mm wire and steel wire, and this was made into a size of 100 x 600 x 2990 mm.
Cover the ALC wall plate with vertical stripes with a thickness of 15 mm and ALC
Place 3 on the top of the plate and 5 on the bottom using the usual method.
An ALC version was manufactured. This ALC version is JIS5416−1972
The table shows the results of the tests based on the following. 【table】
Claims (1)
繊維のロービングが配され、該ロービングの少な
くとも周囲が樹脂により硬化され、更に該樹脂露
出部がセメント含有材料により被覆硬化されてな
る水硬性材料用補強材。 ２ 金属線の太さが直径0.5〜2.5mmである請求の
範囲１の補強材。 ３ 金属線は硝子繊維のロービングの量に対して
10〜50容量％である請求の範囲１の補強材。 ４ 硝子繊維のロービングは、モノフイラメント
を3000〜20000本束ねたものである請求の範囲１
の補強材。 ５ 金属線の周囲に配される硝子繊維のロービン
グは、５〜20本である請求の範囲１の補強材。 ６ 樹脂は、エポキシ樹脂、アクリル樹脂、スチ
レン樹脂、酢酸ビニル樹脂である請求の範囲１の
補強材。 ７ 樹脂の使用量は、補強材全重量の0.5〜５重
量％である請求の範囲１又は６の補強材。 ８ セメント含有材料は、セメント、２〜80％、
スラグ０〜80％、石膏０〜20％、シリカダスト０
〜30％、繊維類０〜30％、骨材０〜50％である請
求の範囲１の補強材。 ９ セメント含有材料の使用量は、補強材全重量
の70〜95重量％である請求の範囲１又は８の補強
材。[Claims] 1. A metal wire is provided approximately at the center, a glass fiber roving is arranged around the metal wire, at least the periphery of the roving is hardened with a resin, and the resin exposed portion is further covered with a cement-containing material. Reinforcing material for hydraulic materials that is hardened. 2. The reinforcing material according to claim 1, wherein the thickness of the metal wire is 0.5 to 2.5 mm in diameter. 3 The amount of metal wire compared to the amount of roving of glass fiber
10. The reinforcing material of claim 1 in an amount of 10 to 50% by volume. 4. Claim 1: The glass fiber roving is a bundle of 3,000 to 20,000 monofilaments.
reinforcement material. 5. The reinforcing material according to claim 1, wherein the number of glass fiber rovings arranged around the metal wire is 5 to 20. 6. The reinforcing material according to claim 1, wherein the resin is an epoxy resin, an acrylic resin, a styrene resin, or a vinyl acetate resin. 7. The reinforcing material according to claim 1 or 6, wherein the amount of resin used is 0.5 to 5% by weight of the total weight of the reinforcing material. 8 Cement-containing materials are cement, 2-80%,
Slag 0-80%, gypsum 0-20%, silica dust 0
30%, fibers 0-30%, and aggregate 0-50%. 9. The reinforcing material according to claim 1 or 8, wherein the amount of cement-containing material used is 70 to 95% by weight of the total weight of the reinforcing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22497982A JPS59115808A (en) | 1982-12-23 | 1982-12-23 | Reinforcing material for hydraulic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22497982A JPS59115808A (en) | 1982-12-23 | 1982-12-23 | Reinforcing material for hydraulic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59115808A JPS59115808A (en) | 1984-07-04 |
| JPH0256301B2 true JPH0256301B2 (en) | 1990-11-29 |
Family
ID=16822194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22497982A Granted JPS59115808A (en) | 1982-12-23 | 1982-12-23 | Reinforcing material for hydraulic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59115808A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492310U (en) * | 1990-12-28 | 1992-08-11 | ||
| WO2021039347A1 (en) * | 2019-08-30 | 2021-03-04 | 株式会社コロプラ | Program, method, and terminal device |
| WO2021230073A1 (en) | 2020-05-13 | 2021-11-18 | ソニーグループ株式会社 | Information processing device, information processing method, and display device |
-
1982
- 1982-12-23 JP JP22497982A patent/JPS59115808A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492310U (en) * | 1990-12-28 | 1992-08-11 | ||
| WO2021039347A1 (en) * | 2019-08-30 | 2021-03-04 | 株式会社コロプラ | Program, method, and terminal device |
| WO2021230073A1 (en) | 2020-05-13 | 2021-11-18 | ソニーグループ株式会社 | Information processing device, information processing method, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59115808A (en) | 1984-07-04 |
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