JPH0437637A - Hydraulic material and cement composition - Google Patents
Hydraulic material and cement compositionInfo
- Publication number
- JPH0437637A JPH0437637A JP13717290A JP13717290A JPH0437637A JP H0437637 A JPH0437637 A JP H0437637A JP 13717290 A JP13717290 A JP 13717290A JP 13717290 A JP13717290 A JP 13717290A JP H0437637 A JPH0437637 A JP H0437637A
- Authority
- JP
- Japan
- Prior art keywords
- calcium aluminate
- hydraulic material
- oxide
- cement
- hydraulic
- 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
- 239000000463 material Substances 0.000 title claims abstract description 24
- 239000004568 cement Substances 0.000 title claims abstract description 11
- 239000000203 mixture Substances 0.000 title claims description 6
- 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 16
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 11
- 239000006104 solid solution Substances 0.000 claims abstract description 7
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 3
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- -1 calcium aluminates Chemical class 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は、水硬性材料及びセメント組成物に関する。[Detailed description of the invention] <Industrial application field> The present invention relates to hydraulic materials and cement compositions.
〈従来の技術とその課題〉
従来から、カルシウムアルミネートは水硬性を有するこ
とが知られており、アルミナセメント、セメント急硬材
及び急硬性セメント等の一材料として用いられている（
特開昭４７−３４６１８号公報、特開昭４８−１２３２
４号公報）。<Conventional technology and its problems> Calcium aluminate has been known to have hydraulic properties, and is used as a material for alumina cement, rapid hardening cement, rapid hardening cement, etc.
JP-A-47-34618, JP-A-48-1232
Publication No. 4).
これらの内、特に非晶質カルシウムアルミネートはより
高い水硬性を示すことが知られており、トンネルの吹き
付け、止水工事及び緊急工事等に威力を発揮している。Among these, amorphous calcium aluminate in particular is known to exhibit higher hydraulic properties, and is effective in tunnel spraying, water stop construction, emergency construction, etc.
しかしながら、非晶質カルシウムアルミネートを得るた
めには、原料を加熱溶融後、急冷する必要があり、溶融
するために多大な動力が必要であったり、非晶質にする
ために特別な象、冷装置が必要とするなどの課題があっ
た（特開昭５８−３６５３号公報、特開昭４９−７８７
３１号公報）。However, in order to obtain amorphous calcium aluminate, it is necessary to heat and melt the raw materials and then rapidly cool them. There were issues such as the need for a cooling device (Japanese Patent Laid-Open Nos. 58-3653 and 49-787).
Publication No. 31).
そのため、非晶質化のコントロールが難しく、厳しい管
理が強いられており、急硬性が簡単に得られる材料が望
まれていた。For this reason, it is difficult to control amorphization and strict management is required, and a material that can easily obtain rapid hardening has been desired.
また、近年、工事の短縮化、複雑化及び高度化が進み、
急硬性のより高い材料が望まれていた。In addition, in recent years, construction work has become shorter, more complex, and more sophisticated.
A material with higher rapid hardening properties was desired.
本発明者らは、水硬性を阻害することなく、前記課題が
解消できる材料を得るべく、種々検討を加えた結果、特
定の成分を含有するカルシウムアルミネートを使用すれ
ばよいとの知見を得て本発明を完成するに至った。The present inventors conducted various studies in order to obtain a material that could solve the above problems without impeding hydraulic properties, and as a result, they found that calcium aluminate containing specific components could be used. As a result, the present invention was completed.
く課題を解決するための手段〉
即ち、本発明は、ジルコニウム及び／又はマグネシウム
が固溶した非晶質カルシウムアルミネート類を主成分と
する水硬性材料及び該水硬性材料とセメントを主成分と
するセメント組成物である。Means for Solving the Problems> That is, the present invention provides a hydraulic material whose main component is an amorphous calcium aluminate containing zirconium and/or magnesium as a solid solution, and a hydraulic material whose main components are the hydraulic material and cement. It is a cement composition.
以下、詳しく本発明を説明する。The present invention will be explained in detail below.
本発明でいう非晶質カルシウムアルミネート類とは、Ｃ
ａＯをＣ，ＡｈＯ＋をＡとすると、Ｃ３Ａ、、ＣＩＺＡ
７及びＣＡ等と示されるもの、さらに、ハロゲン化物を
含有した、例えば、Ｃ＋ ＩＡ７ＣａＦｚやＣ３Ａ３Ｃ
ａＦｚなどと示されるものに対応する化学組成を有し、
Ｘ線回折のピークが結晶質カルシウムアルミネートのも
のより小さくなっているものであり、特に、結晶質カル
シウムアルミネートのピークが認められないものが好ま
しい。The amorphous calcium aluminates referred to in the present invention are C
If aO is C and AhO+ is A, C3A, CIZA
7 and CA, etc., and those containing halides, such as C+ IA7CaFz and C3A3C
It has a chemical composition corresponding to that indicated as aFz etc.
It is preferable that the X-ray diffraction peak is smaller than that of crystalline calcium aluminate, and in particular, one in which the peak of crystalline calcium aluminate is not observed is preferable.
非晶質カルシウムアルミネ−１１は、石灰質原料とアル
ミナ質原料を、また、必要に応じてハロゲン原料を、生
成物が所定のカルシウムアルミネートの組成になるよう
に配合し、回転炉、電気炉及び平炉等で溶融した後、空
気や水などで急激に急冷して製造することが可能である
。Amorphous calcium aluminate 11 is produced by blending a calcareous raw material, an alumina raw material, and, if necessary, a halogen raw material so that the product has a predetermined calcium aluminate composition. It can be manufactured by melting it in an open hearth or the like and then rapidly cooling it with air or water.
本発明に係るジルコニウム及び／又はマグネシウムが固
溶した非晶質カルシウムアルミネート類は、通常の非晶
質カルシウムアルミネート類製造時に、さらに、ジルコ
ニウムやマグネシウムの元素、又は、例えば、酸化物、
水酸化物及び炭酸化物やそれらの塩等の化合物のうちの
一種又は二種以上を併用して製造することが可能である
。これらのうち、ジルコニウムを併用して製造した非晶
質カルシウムアルミネート類は水硬性の面で好ましい。The amorphous calcium aluminates containing zirconium and/or magnesium as a solid solution according to the present invention can be prepared by adding zirconium or magnesium elements, or, for example, oxides,
It is possible to produce it by using one or more kinds of compounds such as hydroxides, carbonates, and salts thereof. Among these, amorphous calcium aluminates produced in combination with zirconium are preferable in terms of hydraulic properties.
ＣａＯとＡｌ２Ｏ３からなる非晶質カルシウムアルミネ
ート類中のＣａＯの割合は、３０〜６０重量％が好まし
く、３５〜５５重量％がより好ましい。ＣａＯの割合が
３０〜６０重量％の範囲外では良好な水硬性が得られに
くい傾向がある。The proportion of CaO in the amorphous calcium aluminates consisting of CaO and Al2O3 is preferably 30 to 60% by weight, more preferably 35 to 55% by weight. If the proportion of CaO is outside the range of 30 to 60% by weight, it tends to be difficult to obtain good hydraulic properties.
ジルコニウムの元素又は化合物の使用量は、非晶質カル
シウムアルミネート１１００重量部に対して、ジルコニ
ウムが酸化物換算で１〜１０重量部固溶する量が好まし
く、２〜８重量部がより好ましい。この範囲外では、良
好な水硬性が得られにくい傾向がある。The amount of the zirconium element or compound to be used is preferably such that 1 to 10 parts by weight of zirconium is solid-dissolved in terms of oxide, and more preferably 2 to 8 parts by weight, based on 1100 parts by weight of the amorphous calcium aluminate. Outside this range, it tends to be difficult to obtain good hydraulic properties.
また、マグネシウムの元素又は化合物の使用量は、非晶
質カルシウムアルミネートＩＷｔｏｏ重量部に対して、
マグネシウムが酸化物換算で２〜１０重量部固溶する量
が好ましく、３〜８重量部がより好ましい。この範囲外
では、良好な水硬性が得られにくい（頃向がある。In addition, the amount of magnesium element or compound used is based on the weight part of amorphous calcium aluminate IWtoo.
The amount of magnesium dissolved in solid solution is preferably 2 to 10 parts by weight in terms of oxide, and more preferably 3 to 8 parts by weight. Outside this range, it is difficult to obtain good hydraulic properties (sometimes around the same time).
非晶質カルシウムアルミネート類に、ジルコニウムやマ
グネシウムの元素又は化合物を固溶させる方法は、特に
限定されるものではないが、製造時に、原料として、ジ
ルコニウムやマグネシウムの元素又は化合物を併用して
クリンカーを製造することが好ましい。The method of dissolving zirconium or magnesium elements or compounds in amorphous calcium aluminates is not particularly limited, but it is possible to use zirconium or magnesium elements or compounds as raw materials during production to form a clinker. It is preferable to manufacture.
こうして得られたクリンカーを、そのまま水硬性材料と
して使用することも可能であるが、通常は、粉砕して用
いることが好ましい。Although it is possible to use the clinker thus obtained as it is as a hydraulic material, it is usually preferable to use it after pulverizing it.
本発明の水硬性材料の粒度は、目的に応して選択すれば
よく、特に制限されるものではないが、通常、ポロシテ
ィ−０，５０でプレー７２，０００ｃｆｆｌ／ｇ以上が
好ましく、良好な水硬性や、土木・建築工事や生体材料
などに広く用いることができる面から、４、００（１−
８，０００ｃ１１１／ｇがより好ましい。The particle size of the hydraulic material of the present invention may be selected depending on the purpose and is not particularly limited, but it is usually preferably 72,000 cffl/g or more with a porosity of -0.50 and a good water resistance. 4,00 (1-
8,000c111/g is more preferred.
また、セラコラ類、無機塩類及び凝結調節剤等を併用す
ることは、作業性や強度の面から効果的である。Further, the combined use of Ceracola, inorganic salts, coagulation regulators, etc. is effective in terms of workability and strength.
〈実施例〉 以下、実施例によりさらに詳しく説明する。<Example> Hereinafter, the present invention will be explained in more detail with reference to Examples.
実施例１
酸化カルシウム４８．５重量部と酸化アルミニウム５１
．５重量部に対して、ジルコニウムが酸化物換算で第１
表に示す量固溶するように、酸化ジルコニウムを調合し
、これを白金ルツボに入れ、炉内温度１ 、６００″Ｃ
のシリコニット電気炉で完全に熔融し、融液を鉄板上に
流し、急冷しクリンカーとした。Example 1 48.5 parts by weight of calcium oxide and 51 parts by weight of aluminum oxide
．． 5 parts by weight, zirconium is the first in terms of oxide.
Prepare zirconium oxide in the amount shown in the table and place it in a platinum crucible at a temperature of 1.60"C.
It was completely melted in a siliconite electric furnace, and the melt was poured onto an iron plate and rapidly cooled to form clinker.
得られたクリンカーを粉砕し、ブレーン４，５００〜５
．ＯＯＯａＭ／ｇの水硬性材料とした。The obtained clinker is crushed and the brane 4,500 to 5
．． It was made into a hydraulic material of OOOaM/g.
二酸化ケイ素１０重量％を内部標準として添加し、Ｘ線
回折で非晶質度を測定したところ、二酸化ケイ素以外の
回折線がないことを確認した。When 10% by weight of silicon dioxide was added as an internal standard and the amorphous degree was measured by X-ray diffraction, it was confirmed that there were no diffraction lines other than silicon dioxide.
次に、前記水硬性材料１重量部、水酸化カルシウム０．
０５４重量部及び水道水４重量部を混合し、２０°Ｃ室
内において練り混ぜた時の反応を、■東京理工社製反応
速度測定装置を用いて測定した。結果を表−１に併記す
る。Next, 1 part by weight of the hydraulic material and 0.0 parts by weight of calcium hydroxide were added.
054 parts by weight and 4 parts by weight of tap water were mixed and kneaded in a 20°C room, and the reaction was measured using a reaction rate measuring device manufactured by Tokyo Riko Co., Ltd. The results are also listed in Table-1.
比較のため、酸化カルシウムと酸化アルミニウムのみを
使用し、同様の方法で測定を行った。For comparison, measurements were carried out in the same manner using only calcium oxide and aluminum oxide.
く使用材料〉
酸化カルシウム：和光純薬工業■製、特級試薬酸化アル
ミニウム：
二酸化ケイ素 ： 〃酸化ジルコニ
ウム： 〃実施例２
酸化ジルコニウムの代わりに酸化マグネシウムを、表−
２示すようにマグネシウムを固溶するように調合したこ
と以外は、実施例１と同様に行った。結果を表−２に併
記する。Materials used> Calcium oxide: Manufactured by Wako Pure Chemical Industries, Ltd., special grade reagent Aluminum oxide: Silicon dioxide: Zirconium oxide: Example 2 Magnesium oxide was used instead of zirconium oxide, as shown in the table below.
The same procedure as in Example 1 was conducted except that magnesium was prepared as a solid solution as shown in Example 2. The results are also listed in Table-2.
く使用材料〉
酸化マグネシウム：和光純薬工業■製、特級試薬〈発明
の効果〉
以上、本発明の水硬性材料は、
■融点が低下するのでタリンカー製造時の動力が少なく
てすむ。(Materials used) Magnesium oxide: Special grade reagent manufactured by Wako Pure Chemical Industries, Ltd. (Effects of the Invention) As described above, the hydraulic material of the present invention has a lower melting point, so less power is required during the production of talincar.
■非晶質化が容易になるため特殊な急冷装置をヱ・要と
しない。■A special quenching device is not required because it becomes amorphous easily.
■品質管理が簡単である。■Quality control is easy.
■優れた結合力を示すため水量の多い所でも硬化する。■It exhibits excellent bonding strength, so it hardens even in areas with a large amount of water.
■短時間強度が高い。■High short-term strength.
■添加量が少量ですみ、経済的である。■It is economical as only a small amount is required.
■ポルトランドセメントに混和することにより、強度発
現を早めたり、寸法安定性を高めたりすることが可能で
ある。■By mixing it with Portland cement, it is possible to accelerate the development of strength and increase dimensional stability.
などの効果を奏する。Effects such as
特に、短時間の水硬性が優れているため、軟弱地盤の改
良や漏水箇所の止水など、水量の多い所の工事、トンネ
ルの吹き付は工事及び緊急工事等に威力を発揮する。In particular, because it has excellent short-term hydraulic properties, it is effective for construction work in areas with large amounts of water, such as improving soft ground and stopping water leaks, and for spraying tunnels, construction work, and emergency construction.
Claims (2)
非晶質カルシウムアルミネート類を主成分とする水硬性
材料。(1) A hydraulic material whose main component is amorphous calcium aluminate containing zirconium and/or magnesium as a solid solution.
するセメント組成物。(2) A cement composition containing cement and the hydraulic material according to claim 1 as main components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13717290A JP2877442B2 (en) | 1990-05-29 | 1990-05-29 | Hydraulic material and cement composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13717290A JP2877442B2 (en) | 1990-05-29 | 1990-05-29 | Hydraulic material and cement composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0437637A true JPH0437637A (en) | 1992-02-07 |
| JP2877442B2 JP2877442B2 (en) | 1999-03-31 |
Family
ID=15192500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13717290A Expired - Fee Related JP2877442B2 (en) | 1990-05-29 | 1990-05-29 | Hydraulic material and cement composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2877442B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014088296A (en) * | 2012-10-31 | 2014-05-15 | Taiheiyo Material Kk | Accelerator |
| JP2018109128A (en) * | 2017-01-05 | 2018-07-12 | デンカ株式会社 | Elution reducing agent of hexavalent chromium and elution reducing method of hexavalent chromium using the same |
-
1990
- 1990-05-29 JP JP13717290A patent/JP2877442B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014088296A (en) * | 2012-10-31 | 2014-05-15 | Taiheiyo Material Kk | Accelerator |
| JP2018109128A (en) * | 2017-01-05 | 2018-07-12 | デンカ株式会社 | Elution reducing agent of hexavalent chromium and elution reducing method of hexavalent chromium using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2877442B2 (en) | 1999-03-31 |
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