JPH01208354A - Low-alkali cement composition - Google Patents
Low-alkali cement compositionInfo
- Publication number
- JPH01208354A JPH01208354A JP3006088A JP3006088A JPH01208354A JP H01208354 A JPH01208354 A JP H01208354A JP 3006088 A JP3006088 A JP 3006088A JP 3006088 A JP3006088 A JP 3006088A JP H01208354 A JPH01208354 A JP H01208354A
- Authority
- JP
- Japan
- Prior art keywords
- alkali
- pts
- calcium aluminate
- amount
- furnace slag
- 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.)
- Granted
Links
- 239000003513 alkali Substances 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 title claims abstract description 15
- 239000004568 cement Substances 0.000 title claims description 16
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002893 slag Substances 0.000 claims abstract description 15
- OYPRJOBELJOOCE-IGMARMGPSA-N Calcium-40 Chemical group [40Ca] OYPRJOBELJOOCE-IGMARMGPSA-N 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 6
- 239000004567 concrete Substances 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 5
- 239000003365 glass fiber Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- YMUYTQCKKRCJMP-UHFFFAOYSA-N aluminum;calcium;oxygen(2-) Chemical compound [O-2].[Al+3].[Ca+2] YMUYTQCKKRCJMP-UHFFFAOYSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- -1 malic acid Chemical class 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 150000007965 phenolic acids Chemical class 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000021 stimulant Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【発明の詳細な説明】
く産業上の利用分野〉
本発明は、水道用モルタルライニングＷ９ＧＲｃなどの
アルカリによる水道水の一抑制や、ＧＲＣのガラス繊維
の劣化全防止する低アルカリセメント組成物に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a low-alkali cement composition that partially suppresses tap water caused by alkali such as mortar lining W9GRc for tap water, and completely prevents deterioration of glass fibers of GRC.
く従来の技術と発明が解決しようとする課題〉従来、ア
ルカリ金抑制するセメントとしてハｒ鴎炉水砕スラグを
混会した高炉セメントや、セメントクリンカ−・高炉水
砕スラグ・カルシウム丈ルホ）アルミネート、石こうか
らなるセメントが提案（特公囲昭６０−１２７２５２号
公報）されているが、アルカリの抑制が光分ではなかっ
た。Problems to be solved by conventional technology and the invention: Conventionally, blast furnace cement mixed with granulated slag of alkali metal, cement clinker, granulated blast furnace slag, calcium oxide (aluminum) Cement consisting of esters and gypsum has been proposed (Japanese Patent Publication No. 127252/1986), but the suppression of alkali was not sufficient.
又高炉水砕スラグ、少址のセメント、無定形カルシウム
アルミネート、石こうからなる水硬性組成物が提案され
ていたが、強度発現が光分でなかった（特公開５７−１
６４７５６号公報〕号公報間者らが上記課題ｔＰｓ決す
べく水硬性■科のアルカリ浴出を抑へ、短長期の強度発
現の艮好なセメント組成金種々検討した結果、時定の組
成物を便用することＶこより、アルカリ溶出が少なく、
強度発現の良好なセメント組成物を見い出し本発明を児
成するに到った。In addition, a hydraulic composition consisting of granulated blast furnace slag, a small amount of cement, amorphous calcium aluminate, and gypsum was proposed, but the strength could not be expressed by light (Japanese Patent Publication No. 57-1).
Publication No. 64756] In order to solve the above-mentioned problem tPs, researchers investigated various cement compositions with excellent short- and long-term strength development in order to suppress the alkaline bathing of the hydraulic type. Less alkaline elution than when using stool,
A cement composition with good strength development was discovered and the present invention was completed.
く課題で解決するための手段〉
ＲＩＩち、本発明は、高炉スラグ１００厘量部、カルシ
ウムアルミネート１０〜２０［］７７１１ｍびアルカリ
刺激剤４０嵐量部以−Ｆかりなる低アルカリセメント組
成物である。Means for Solving the Problem> RII. The present invention is a low-alkali cement composition comprising 100 parts of blast furnace slag, 10 to 20 parts of calcium aluminate, and 40 parts or more of an alkali stimulant. It is.
以下詳しく本発明上説明する。The present invention will be explained in detail below.
本発明におσる高炉スラグとｔユ、製鉄所の高炉より副
生きれるスラグ金水冷・空冷などの急冷によりガラス質
としたものでおる。そのガラス化率は８０チ以上が好ま
しく、かつ、塩基度が１．５以上のものが強度発現上好
ましい。また粉末度としてはブレーン値で２．０００
ｃｍ” ／１以上が好ましく、４．０００〜９，０００
ｃｍ”／ｉが更に好ましい。The blast furnace slag used in the present invention is made into a glassy material by rapid cooling such as water cooling or air cooling. The vitrification rate is preferably 80 degrees or more, and the basicity is preferably 1.5 or more in terms of strength development. Also, the degree of fineness is 2.000 in Blaine value.
cm"/1 or more, preferably 4,000 to 9,000
cm”/i is more preferred.
２．０００ ｃｒｒｒ”／ｌ禾満でめると強度発現が不
光分でめる。When the temperature reaches 2.000 crrr"/l, the intensity development can be determined by the non-photon part.
カルシウムアルミネートとはＣａＯｆｆ Ｃｍ Ａ４０
３ｉＡとすると、Ｃｌ２Ａ７ｙ Ｃ１１ＡｙＣａＰ２＋
Ｃ３Ａ３ＣａＦ２＊ｅＡｓ ＣＡ２ｍ Ｃ３Ａ及びＣ
３Ａ３ＣａＳＯ４などと示される鉱物１種以上からなる
ものである。又該鉱物全結晶化させることなくガラス状
態全保有したｌ′！固化させた無定形物が強度発現の点
から好筐しく、特に無定形カルシウムアルミネート中の
ＣａＯ成分が２０〜６０重量部からなるカルシウムアル
ミネートが取扱い上、又、強度発現の点から特に好筐し
いＯ
カルシウムアルミネートの粉末度としてはブレーン値で
３，０００ｃｒＩＬ２／、！ｉ’以上が好ましく、４．
０００〜７，０００ ｃｒｔ？／Ｉが更に好ましい。３
−０００ｃｍ”／Ｉ未満だと強度発現性は悪い。What is calcium aluminate?CaOff Cm A40
If 3iA, Cl2A7y C11AyCaP2+
C3A3CaF2*eAs CA2m C3A and C
It is composed of one or more minerals such as 3A3CaSO4. In addition, l' which completely retained the glass state without completely crystallizing the mineral! A solidified amorphous material is preferable from the viewpoint of strength development, and calcium aluminate containing 20 to 60 parts by weight of CaO in the amorphous calcium aluminate is particularly preferred from the viewpoint of handling and strength development. Kashii O Calcium aluminate has a Blaine value of 3,000 crIL2/! i' or more is preferable, and 4.
000~7,000 crt? /I is more preferred. 3
If it is less than -000 cm''/I, strength development is poor.
高炉スラグ１００厘量部に対するカルシウムアルミネー
トの址は１０〜２００重量部、好１しくけ２０〜１００
重量部である。１００厘量未満にと短長期の強度発現性
が忌＜、２００貞を部を越えると長期での強度劣化が起
きる。The amount of calcium aluminate per 100 parts of blast furnace slag is 10 to 200 parts by weight, preferably 20 to 100 parts by weight.
Parts by weight. If the amount is less than 100 ml, short- and long-term strength development is poor, and if it exceeds 200 ml, long-term strength deterioration will occur.
本発明におけるアルカリ刺激剤とは従来よｐ知られてい
るものがあげられる。例えば各種セメント、水［化カル
シウム、酸化カルシウム及び珪酸ナトリウム等の各種無
機や有機のアルカリ塩、更に、％種形態の石膏等からな
る群よりえらばれた１種以上である。アルカリ刺激剤の
使用量は、高炉スラグとカルシウムアルミネートの比、
アルカリ刺激剤の種鎮等によシ異なるが、＾炉スラグ１
００重量部に対し４０重量部以下、好ましくは１０宣址
部以下である。４００厘量を越えるとアルカリ浴出量が
多くなる。The alkaline stimulants used in the present invention include those that are conventionally known. For example, it is one or more selected from the group consisting of various cements, various inorganic and organic alkali salts such as calcium chloride, calcium oxide, and sodium silicate, and gypsum in the form of % seeds. The amount of alkaline stimulant used depends on the ratio of blast furnace slag to calcium aluminate,
Although it differs depending on the alkaline stimulant, etc., furnace slag 1
The amount is not more than 40 parts by weight, preferably not more than 10 parts by weight. If the amount exceeds 400 liters, the amount of alkali bath will increase.
カルシウムアルミネートが存在した低アルカリモルタル
又はコンクリートは硬化時間が早する場合があり、これ
が問題となる場合は、例えば、リンゴ酸、泗石酸、グル
コン酸及びフェノ−などのオキシカルボン酸又はその塩
類などの遅延剤を適当量添加して、凝結開始を遅延させ
ることが好ましい。また必要に応じ、市販のセメント減
水剤を使用することも可能である。Low-alkali mortar or concrete in which calcium aluminate was present may have a faster curing time, and if this is a problem, use oxycarboxylic acids or their salts, such as malic acid, apalic acid, gluconic acid, and phenolic acid. It is preferable to add a suitable amount of a retarder such as to delay the onset of setting. It is also possible to use a commercially available cement water reducing agent if necessary.
なお、本発明の低アルカリセメント組成物（以下単にセ
メント組成物という）はペースト、モルタル、コンクリ
ートの材料として使用することが出来る。The low-alkali cement composition of the present invention (hereinafter simply referred to as cement composition) can be used as a material for paste, mortar, and concrete.
以上、セメント組成物は、高炉スラグの欠点でめった１
）初期の強度発現、２〕凝結時の収縮を改善するばかり
か、耐化学薬品性をさらに向上し、乾燥収縮低減効果が
ある。その用途としては水道用ライニング管、ＧＲＣは
もちろんの事、−ノ投土木建築構造物やコンクリート二
次製品に用いることが出来る。As mentioned above, cement compositions rarely suffer from the drawbacks of blast furnace slag.
) Initial strength development, 2) Not only improves shrinkage during setting, but also further improves chemical resistance and has the effect of reducing drying shrinkage. It can be used not only for water lining pipes and GRC, but also for civil engineering building structures and secondary concrete products.
〈実施例〉 次に実施例？あげてさらに詳しく説明する。<Example> Next example? Let me explain in more detail.
実施例１
表に示すセメント組成物１００重量部、遅延剤０．６重
量部、細骨材２００Ｍ世部（姫用産天然砂ＦＭ＝２．７
２）及び水５０重量部をＪ工Ｓ Ｒ５２０１に準じて混
練し、４Ｘ４Ｘ１６ｃｍのモルタル供試体を作製し、１
週間２０℃−８０％ＲＨ室で養生後、６ Ｍ／ ｓｅｃ
の流れのある水に１時間浸した後、長さと巾が各々２０
０ｍｍで高さ２５０ｍ１の容器にモルタル供試体全各１
本づつ入れ、その容器の中に盛貿水を２４時時間比し、
−の変動全測足した。Example 1 100 parts by weight of the cement composition shown in the table, 0.6 parts by weight of retarder, 200M part of fine aggregate (natural sand FM = 2.7
2) and 50 parts by weight of water were kneaded according to J-Ko S R5201 to prepare a mortar specimen of 4 x 4 x 16 cm.
After curing in a 20℃-80%RH room for a week, 6 M/sec
After soaking in flowing water for 1 hour, the length and width will be 20 mm each.
0 mm and 1 mortar specimen each in a container with a height of 250 m1.
Put one book at a time and pour Shengbaosui into the container for 24 hours.
The total variation of − was added.
結果を表に示す。The results are shown in the table.
使用材料
スラグ：高炉水砕スラグ、新日鉄室蘭製、プレーン値５
．１００ ｃ！ＩＬ”／１
カルシウムアルミネート：プレーン１直５ａ ４５０
ｃ、ｍ” ／ｙＮＰＣ： ’を化晋通ポルトランドセメ
ントＣａ（ＯＨ）２ ：小野石灰社製
石膏：ｆｌ型無水石膏、プレーン値５．０５０に２／ｙ
表から本発明方法は−の変動を抑え、強度劣化が１〜３
２０
腐 ′ は−のアップが大きい。Materials used: Slag: Granulated blast furnace slag, made by Nippon Steel Muroran, plain value 5
．． 100c! IL”/1 Calcium aluminate: Plain 1 shift 5a 450
c, m''/y NPC: 'Converted into Shintsu Portland cement Ca (OH)2: Gypsum manufactured by Ono Lime Co., Ltd.: fl type anhydrite, plain value 5.050 to 2/y
From the table, the method of the present invention suppresses the fluctuation of -, and the strength deterioration is 1 to 3.
20 Fu' has a large - close-up.
〈発明の効果〉
本発明の低アルカリセメント組成物を使用することによ
つＣ次の効果が得られる。<Effects of the Invention> By using the low alkali cement composition of the present invention, the following effects can be obtained.
１）モルタル又はコンクリートからのアルカリ浴出を減
らすことが出来る。1) It is possible to reduce alkaline bath release from mortar or concrete.
２）強度発現の安定な硬化体をつくることが出来る。2) A cured product with stable strength can be produced.
６）ガラスｍ維の劣化を極端に抑えることが出来る。6) Deterioration of glass m fibers can be extremely suppressed.
特許出願人 也気化学工業味式会社Patent applicant: Yaki Chemical Industrial Ajishiki Company
Claims (1)
１０〜２００重量部及びアルカリ刺激剤４０重量部以下
からなる低アルカリセメント組成物。1) A low-alkali cement composition comprising 100 parts by weight of blast furnace slag, 10 to 200 parts by weight of calcium aluminate, and 40 parts by weight or less of an alkali stimulant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63030060A JP2710327B2 (en) | 1988-02-13 | 1988-02-13 | Low alkali cement composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63030060A JP2710327B2 (en) | 1988-02-13 | 1988-02-13 | Low alkali cement composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01208354A true JPH01208354A (en) | 1989-08-22 |
| JP2710327B2 JP2710327B2 (en) | 1998-02-10 |
Family
ID=12293280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63030060A Expired - Lifetime JP2710327B2 (en) | 1988-02-13 | 1988-02-13 | Low alkali cement composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2710327B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238847A (en) * | 1990-12-28 | 1992-08-26 | Onoda Cement Co Ltd | Hydraulic cement |
| JP2007326729A (en) * | 2006-06-06 | 2007-12-20 | Yokohama Tlo Co Ltd | Cement composition |
| US20110287198A1 (en) * | 2009-01-30 | 2011-11-24 | Industry Foundation Of Chonnam National University | Alkali-activated binder, alkali-activated mortar, concrete products and wet red clay paving material using binder |
| JP2019048729A (en) * | 2017-09-08 | 2019-03-28 | デンカ株式会社 | Bonding material composition and stimulating agent thereof |
| WO2020255646A1 (en) * | 2019-06-20 | 2020-12-24 | 株式会社フッコー | Blast furnace slag-type paint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54139632A (en) * | 1978-04-21 | 1979-10-30 | Matsushita Electric Works Ltd | Slag based inorganic hardened body |
-
1988
- 1988-02-13 JP JP63030060A patent/JP2710327B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54139632A (en) * | 1978-04-21 | 1979-10-30 | Matsushita Electric Works Ltd | Slag based inorganic hardened body |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238847A (en) * | 1990-12-28 | 1992-08-26 | Onoda Cement Co Ltd | Hydraulic cement |
| JP2007326729A (en) * | 2006-06-06 | 2007-12-20 | Yokohama Tlo Co Ltd | Cement composition |
| US20110287198A1 (en) * | 2009-01-30 | 2011-11-24 | Industry Foundation Of Chonnam National University | Alkali-activated binder, alkali-activated mortar, concrete products and wet red clay paving material using binder |
| US8617307B2 (en) * | 2009-01-30 | 2013-12-31 | Industry Foundation Of Chonnam National University | Alkali-activated binder, alkali-activated mortar, concrete products and wet red clay paving material using binder |
| JP2019048729A (en) * | 2017-09-08 | 2019-03-28 | デンカ株式会社 | Bonding material composition and stimulating agent thereof |
| WO2020255646A1 (en) * | 2019-06-20 | 2020-12-24 | 株式会社フッコー | Blast furnace slag-type paint |
| JP2021001260A (en) * | 2019-06-20 | 2021-01-07 | 株式会社フッコー | Blast furnace slag coating |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2710327B2 (en) | 1998-02-10 |
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