JPH0781987A - Production of color aggregate - Google Patents
Production of color aggregateInfo
- Publication number
- JPH0781987A JPH0781987A JP23122393A JP23122393A JPH0781987A JP H0781987 A JPH0781987 A JP H0781987A JP 23122393 A JP23122393 A JP 23122393A JP 23122393 A JP23122393 A JP 23122393A JP H0781987 A JPH0781987 A JP H0781987A
- Authority
- JP
- Japan
- Prior art keywords
- cement
- weight
- color
- aggregate
- particle size
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/21—Efflorescence resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は景観（着色）コンクリー
ト用のカラー骨材の製造方法に係わり、特に、特定ブレ
ーン値の高炉水砕スラグ微粉末を主原料とするノンエフ
ロセメントを使用したカラー骨材の製造方法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a colored aggregate for landscape (colored) concrete, and in particular, a color using non-efrocement mainly composed of ground granulated blast furnace slag fine powder having a specific brane value. The present invention relates to an aggregate manufacturing method.
【０００２】[0002]
【従来の技術】従来、カラー骨材は白色系セメント等の
白色水硬性粉状体等に着色顔料等を添加し、造粒、養生
して所要の粒径に硬化させたものが一般的である。2. Description of the Related Art Conventionally, a color aggregate is generally obtained by adding a coloring pigment or the like to a white hydraulic powdery substance such as a white cement, granulating and curing and hardening to a required particle size. is there.
【０００３】[0003]
【発明が解決しようとする課題】白色系セメント等の白
色水硬性粉状体等を使用する従来のカラー骨材では、ポ
ルトランドセメント使用に起因する水酸化カルシウムに
よるエフロレッセンス（白華）が著しく、これが製品価
値を減じていた。With conventional color aggregates that use white hydraulic powder such as white cement, efflorescence (white flower) due to calcium hydroxide due to the use of Portland cement is remarkable, This reduced product value.
【０００４】本発明は、上記従来の問題点を解決し、製
造時の表面の色彩を長期間に亙って保つことができるカ
ラー骨材の製造方法を提供することを目的とする。An object of the present invention is to solve the above-mentioned conventional problems and to provide a method of manufacturing a color aggregate capable of maintaining the color of the surface during manufacturing for a long period of time.
【０００５】[0005]
【課題を解決するための手段】請求項１のカラー骨材の
製造方法は、潜在水硬性物質を粉砕及び／又は分級して
得られたブレーン値４０００〜２００００ｃｍ2 ／ｇの
潜在水硬性粉状体６０〜９７重量％とポルトランドセメ
ント又は消石灰等のアルカリ刺激剤４０〜３重量％とを
配合してなるノンエフロセメントに、無機質の粉状体及
び／又は粒径が５ｍｍ以下の無機質の粒状体を添加して
混合し、水を加えて、造粒し、次いで養生し、粒度調整
することを特徴とするものである。The method for producing a color aggregate according to claim 1 is a latent hydraulic powdery material having a Blaine value of 4000 to 20000 cm 2 / g obtained by pulverizing and / or classifying a latent hydraulic substance. Non-Efuro cement prepared by mixing 60 to 97% by weight of the body and 40 to 3% by weight of an alkali stimulant such as Portland cement or slaked lime, and an inorganic powder and / or an inorganic granular material having a particle size of 5 mm or less. Is added and mixed, water is added, and the mixture is granulated, followed by curing and particle size adjustment.
【０００６】請求項２のカラー骨材の製造方法は、請求
項１において、前記ノンエフロセメントに対し、前記粉
状体及び／又は粒状体と共に、さらに着色顔料をノンエ
フロセメントに対し０．１〜１０重量％添加することを
特徴とするものである。A method for producing a color aggregate according to a second aspect is the method according to the first aspect, wherein the non-effluent cement is mixed with the powdery substance and / or the granular substance, and a coloring pigment is added to the non-effluent cement in an amount of 0.1. It is characterized by adding 10 to 10% by weight.
【０００７】以下に本発明を詳細に説明する。The present invention will be described in detail below.
【０００８】本発明においては、通常の手段によって粉
砕された高炉水砕スラグ等の潜在水硬性物質を再粉砕及
び／又は分級手段等の粒度調整処理を施すことにより、
ブレーン値で４０００〜２００００ｃｍ2 ／ｇの比表面
積となる粒度に調整した潜在水硬性粉状体６０〜９７重
量％とポルトランドセメント又は消石灰等のアルカリ刺
激剤４０〜３重量％とを配合してなるノンエフロセメン
トを使用する。In the present invention, a latent hydraulic substance such as granulated blast furnace slag pulverized by a conventional means is re-pulverized and / or subjected to a particle size adjusting treatment such as a classification means,
A mixture of 60 to 97% by weight of a latent hydraulic powdery substance adjusted to a particle size that gives a specific surface area of 4000 to 20000 cm 2 / g in terms of Blaine value and 40 to 3% by weight of an alkaline stimulant such as Portland cement or slaked lime. Use non-effluent cement.
【０００９】この潜在水硬性粉状体の調製に用いる高炉
水砕スラグ等は、いわゆる高炉製錬に際して副生された
高炉水砕スラグ等であれば良く、特に制限はない。使用
する潜在水硬性粉状体のブレーン値が４０００ｃｍ2 ／
ｇ未満であると強度が低下するので好ましくない。ま
た、ブレーン値が２００００ｃｍ2 ／ｇを超えても、性
状の飛躍的な向上は望めず、粉砕コスト面で不利であ
る。The granulated blast furnace slag used for the preparation of the latent hydraulic powder is not particularly limited as long as it is a granulated blast furnace slag produced as a by-product during so-called blast furnace smelting. The latent hydraulic powder used has a Blaine value of 4000 cm 2 /
If it is less than g, the strength is lowered, which is not preferable. Further, even if the Blaine value exceeds 20000 cm 2 / g, no dramatic improvement in properties can be expected, which is disadvantageous in terms of crushing cost.
【００１０】ノンエフロセメント中における潜在水硬性
粉状体の配合が６０重量％未満の場合には、本発明によ
る水酸化カルシウム量低下の効果が十分でなく、９７重
量％を超えると強度が低下するので好ましくない。If the content of the latent hydraulic powder in the non-effluent cement is less than 60% by weight, the effect of reducing the amount of calcium hydroxide according to the present invention is not sufficient, and if it exceeds 97% by weight, the strength decreases. Is not preferred.
【００１１】ノンエフロセメント中におけるポルトラン
ドセメント又は消石灰等のアルカリ刺激剤の配合が３重
量％未満の場合には強度が低く、４０重量％を超えると
本発明による水酸化カルシウム量低下の効果が十分に得
られない。When the content of the alkaline stimulant such as Portland cement or slaked lime in the non-effluent cement is less than 3% by weight, the strength is low, and when it exceeds 40% by weight, the effect of reducing the amount of calcium hydroxide according to the present invention is sufficient. Can't get to.
【００１２】本発明に使用するノンエフロセメントにお
いては、潜在水硬性粉状体及びポルトランドセメント又
は消石灰等のアルカリ刺激剤と共に、必要に応じて反応
促進剤、乾燥収縮低減材、流動性改善材等を配合しても
よい。In the non-effluent cement used in the present invention, a latent hydraulic powder and an alkali stimulant such as Portland cement or slaked lime, and optionally a reaction accelerator, a drying shrinkage reducing material, a fluidity improving material, etc. You may mix | blend.
【００１３】反応促進剤としては、水酸化アルカリ、硫
酸アルカリ等を使用することができ、その配合は２０重
量％以下が好ましい。As the reaction accelerator, alkali hydroxide, alkali sulfate or the like can be used, and the content thereof is preferably 20% by weight or less.
【００１４】乾燥収縮低減材としては、炭酸カルシウ
ム、無水石こう、フライアッシュ等を使用することがで
き、その配合は２０重量％以下が好ましい。As the material for reducing drying shrinkage, calcium carbonate, anhydrous gypsum, fly ash, etc. can be used, and the content thereof is preferably 20% by weight or less.
【００１５】また、乾燥収縮低減材の粒度はブレーン値
で３５００〜８０００ｃｍ2 ／ｇ程度が好ましい。The grain size of the dry shrinkage reducing material is preferably about 3500 to 8000 cm 2 / g in terms of Blaine value.
【００１６】流動性改善材としては、ジエチレングリコ
ール、トリエタノールアミン等を使用することができ、
これらは１重量％以下の添加で著しく粉体の流動特性を
向上させることができる。As the fluidity improving material, diethylene glycol, triethanolamine or the like can be used,
The addition of 1% by weight or less of these can remarkably improve the flow characteristics of the powder.
【００１７】本発明において、無機質粉状体としては、
砂、粘土（赤土）、銅ガラミ、火山灰風化土（シラス）
等が挙げられる。In the present invention, as the inorganic powdery material,
Sand, clay (red soil), copper lice, volcanic ash weathered soil (shirasu)
Etc.
【００１８】無機質粒状体としては、砕石や天然骨材な
どが挙げられる。Examples of the inorganic granular material include crushed stone and natural aggregate.
【００１９】本発明のカラー骨材の製造方法において
は、上記ノンエフロセメント１０〜１００重量部、粘土
（赤土）、銅ガラミ、火山灰風化土（シラス）等の粉状
体０〜９０重量部、粒径５ｍｍ以下の砕石等０〜５０重
量部を配合する。また必要に応じて、有機顔料又は無機
顔料等をノンエフロセメントに対し０．１〜１０重量％
配合してもよい。この際、使用する砂、粘土（赤土）、
銅ガラミ、火山灰風化土（シラス）等の粉状体、砕石及
び着色顔料等について品質上の制限は特にない。In the method for producing a color aggregate of the present invention, 10 to 100 parts by weight of the above non-effluent cement, 0 to 90 parts by weight of a powdery substance such as clay (red soil), copper lice, volcanic ash weathered soil (shirasu), 0 to 50 parts by weight of crushed stone having a particle size of 5 mm or less is mixed. In addition, if necessary, 0.1 to 10% by weight of organic pigments or inorganic pigments relative to non-effluent cement
You may mix. At this time, sand, clay (red soil),
There are no particular restrictions on the quality of powdered substances such as copper lice, weathered soil (shirasu), crushed stone, and coloring pigments.
【００２０】本発明では、これら混合物を攪拌混合し適
量の水を加えて、造粒、養生、（気中、蒸気、又はオー
トクレーブ養生）等を施し、所要の粒度範囲に調整し、
カラー骨材とするものである。なお、造粒機としてはブ
リケッター傾斜式回転皿型造粒機等を使用できる。造粒
時の粒度は０．５〜３０ｍｍ程度が好ましい。In the present invention, these mixtures are mixed by stirring, an appropriate amount of water is added, and granulation, curing, (in-air, steam, or autoclave curing), etc. are carried out to adjust to the required particle size range,
It is a color aggregate. As the granulator, a briquetter tilting rotary plate type granulator or the like can be used. The particle size during granulation is preferably about 0.5 to 30 mm.
【００２１】なお、上記の方法で所要粒度以上の塊、な
いし、板を製造しこれを粗砕してそのまま、ないし、ロ
ッドミル等の整粒機で整粒しても同様のカラー骨材が得
られる。A similar color aggregate can be obtained by producing a lump or plate having a required particle size or more by the above-mentioned method and crushing the crushed product as it is, or sizing with a sizing machine such as a rod mill. To be
【００２２】[0022]
【作用】本発明方法に従い、白色度の高い高炉水砕スラ
グ等の潜在水硬性粉状体を主原料とするノンエフロセメ
ントを使用して製造したカラー骨材は、従来の白色系セ
メント等を使用して製造したカラー骨材にはない独特の
色彩を有する上、ポルトランドセメント使用に起因する
水酸化カルシウムによるエフロレッセンス（白華）が全
く発生しないため、表面の色彩を長期間に亙って保つこ
とができる。According to the method of the present invention, the color aggregate produced by using non-Eflo cement whose main raw material is latent hydraulic powder such as granulated blast furnace slag with high whiteness is the conventional white cement. It has a unique color not found in the color aggregates produced by using it, and since there is no efflorescence (white flower) due to calcium hydroxide due to the use of Portland cement, the color of the surface can be maintained over a long period of time. Can be kept.
【００２３】[0023]
【実施例】以下に、実施例を挙げて本発明をより具体的
に説明するが、本発明はその要旨を超えない限り、以下
の実施例により限定されるものではない。EXAMPLES The present invention will be described in more detail below with reference to examples, but the present invention is not limited to the following examples as long as the gist thereof is not exceeded.
【００２４】実施例１，２，３ 表１に示す配合割合で各成分を混合して、ブリケッター
傾斜式回転皿型造粒機により０．５〜３０ｍｍに造粒し
て気中養生し、５〜２０ｍｍの粒度範囲に調整し、カラ
ー骨材を試製した。このカラー骨材を約６ケ月間に亙っ
て屋外暴露したところ、エフロレッセンスは全く発生せ
ず、試製時の色彩をそのまま保つことができた。Examples 1, 2 and 3 The components were mixed in the mixing ratios shown in Table 1, granulated to 0.5 to 30 mm by a briquette tilt type rotary plate type granulator, and aged in air to cure. The color aggregate was adjusted to a particle size range of ˜20 mm, and a color aggregate was trial produced. When this color aggregate was exposed outdoors for about 6 months, efflorescence did not occur at all, and the color at the time of trial manufacture could be maintained.
【００２５】[0025]
【表１】 [Table 1]
【００２６】比較例１，２，３ 上記実施例１，２，３において、ノンエフロセメントの
代わりに白色ポルトランドセメント（小野田セメント株
式会社製）を用いたこと以外は同様にしてカラー骨材を
製造した。このカラー骨材はいずれも約１ケ月の屋外暴
露により、表面がエフロレッセンスのために白っぽくな
った。Comparative Examples 1, 2, 3 Colored aggregates were produced in the same manner as in Examples 1, 2, 3 except that white Portland cement (manufactured by Onoda Cement Co., Ltd.) was used in place of non-effluent cement. did. The surface of each of these color aggregates became whitish due to efflorescence when exposed outdoors for about one month.
【００２７】[0027]
【発明の効果】以上詳述した通り、本発明の請求項１，
２の方法によれば、エフロレッセンスが全く発生しない
ため表面の色彩が長期間に亙って保たれる、優れたカラ
ー骨材を製造することができる。As described above in detail, the first and second aspects of the present invention are described.
According to the method of 2, the efflorescence does not occur at all, so that it is possible to manufacture an excellent color aggregate in which the surface color is maintained for a long period of time.
【００２８】請求項２によれば、濃く着色されたカラー
骨材を製造することができる。According to the second aspect, it is possible to manufacture a color aggregate which is deeply colored.
フロントページの続き (72)発明者 早田 雅敏 福岡県北九州市八幡西区洞南町１番地１ 三菱マテリアル株式会社九州事業所内Front Page Continuation (72) Inventor Masatoshi Hata 1 1 Donan-cho, Hachimansai-ku, Kitakyushu, Fukuoka Prefecture Mitsubishi Materials Corporation Kyushu Office
Claims (2)
て得られたブレーン値４０００〜２００００ｃｍ2 ／ｇ
の潜在水硬性粉状体６０〜９７重量％とポルトランドセ
メント又は消石灰等のアルカリ刺激剤４０〜３重量％と
を配合してなるノンエフロセメントに、無機質の粉状体
及び／又は粒径が５ｍｍ以下の無機質の粒状体を添加し
て混合し、水を加えて、造粒し、次いで養生し、粒度調
整することを特徴とするカラー骨材の製造方法。1. A Blaine value 4,000 to 20,000 cm 2 / g obtained by crushing and / or classifying a latent hydraulic substance.
Of the latent hydraulic powder of 60 to 97% by weight and Portland cement or slaked lime or the like of 40 to 3% by weight of an alkaline stimulant are added to the non-effluent cement, and the inorganic powder and / or particle size is 5 mm. The following is a method for producing a color aggregate, which comprises adding and mixing the following inorganic granules, adding water, granulating, then curing, and adjusting the particle size.
ントに対し、前記粉状体及び／又は粒状体と共に、さら
に着色顔料をノンエフロセメントに対し０．１〜１０重
量％添加することを特徴とするカラー骨材の製造方法。2. The non-Eflo cement according to claim 1, wherein a coloring pigment is further added to the non-Efro cement in an amount of 0.1 to 10% by weight with respect to the non-Efro cement. A method for producing a colored aggregate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23122393A JPH0781987A (en) | 1993-09-17 | 1993-09-17 | Production of color aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23122393A JPH0781987A (en) | 1993-09-17 | 1993-09-17 | Production of color aggregate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0781987A true JPH0781987A (en) | 1995-03-28 |
Family
ID=16920253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23122393A Withdrawn JPH0781987A (en) | 1993-09-17 | 1993-09-17 | Production of color aggregate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0781987A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121154A (en) * | 1997-07-04 | 1999-01-26 | Nkk Corp | Hydraulic composition using steel slag |
-
1993
- 1993-09-17 JP JP23122393A patent/JPH0781987A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121154A (en) * | 1997-07-04 | 1999-01-26 | Nkk Corp | Hydraulic composition using steel slag |
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