CN105339322B - The fast hard material of cement, its manufacture method and cement composition - Google Patents

The fast hard material of cement, its manufacture method and cement composition Download PDF

Info

Publication number
CN105339322B
CN105339322B CN201480035179.2A CN201480035179A CN105339322B CN 105339322 B CN105339322 B CN 105339322B CN 201480035179 A CN201480035179 A CN 201480035179A CN 105339322 B CN105339322 B CN 105339322B
Authority
CN
China
Prior art keywords
cement
hard material
gypsum
fast hard
calcium aluminate
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.)
Active
Application number
CN201480035179.2A
Other languages
Chinese (zh)
Other versions
CN105339322A (en
Inventor
樋口隆行
森泰郎
森泰一郎
西冈朝明
原启史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Publication of CN105339322A publication Critical patent/CN105339322A/en
Application granted granted Critical
Publication of CN105339322B publication Critical patent/CN105339322B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C04B7/00—Hydraulic cements
    • C04B7/32—Aluminous cements
    • C04B7/323—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • 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
    • C04B28/06—Aluminous cements
    • 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
    • C04B28/06—Aluminous cements
    • C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

There is provided a kind of be able to ensure that after concreting can the fast hard material of the cement of activity duration and excellent storage stability, its manufacture method and the cement composition comprising it.A kind of fast hard material of cement and the cement composition containing the fast hard material of the cement and cement, the fast hard material of cement contains calcium sulphoaluminate hydrate, and the calcium sulphoaluminate hydrate is to mix calcium aluminate, gypsum and aquo-compound for more than 20m/s high speed shear mode by rotary speed and generate.

Description

The fast hard material of cement, its manufacture method and cement composition
Technical field
The present invention relates to the fast hard material of the cement of the concrete used in civil construction field, its manufacture method, with And use its cement composition.
The known mixture by blending calcium aluminate and gypsum in cement, can obtain quick showing property of intensity (reference Patent document 1).
In addition, in the fast hard material of cement using the mixture for including calcium aluminate and gypsum, in order to ensure can operation Time, it is known to：Make the method in the mixture comprising calcium aluminate and gypsum containing water (with reference to patent document 2)；In sulfuric acid In the presence of the method (with reference to patent document 3) that mixes calcium aluminate with a small amount of water；To the calcium aluminate and sulphur coated by hydrate The method of sour calcium compounding aluminium sulfate, alkali metal sulfates or alkali carbonate (with reference to patent document 4)；Surface quilt will be included Method (with reference to patent document 5) that the gypsum and calcium aluminate of the anhydrous gypsum of dihydrate gypsum cladding are compounded etc..
Fast hard component, the injection of cement are mixed in mixture of the anhydrous gypsum with dihydrate gypsum additionally, it is known that having Material (with reference to patent document 6).
And then, it is known that there is the compounding in the mixture of calcium aluminate or calcium aluminate and anhydrous gypsum to be selected from semi-hydrated gypsum and two 1 kind in water gypsum or 2 kinds, at the same time carry out the fast hard material of cement crushed (with reference to patent document 7).
And then, the heating change to entringite (ettringite) carries out research in detail (with reference to non-patent literature 1).
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Application 48-1024 publications
Patent document 2：Japanese Unexamined Patent Application 53-125431 publications
Patent document 3：Japanese Unexamined Patent Application 54-157129 publications
Patent document 4：Japanese Unexamined Patent Publication 2005-60154 publications
Patent document 5：Japanese Unexamined Patent Publication 2007-176744 publications
Patent document 6：Japanese Unexamined Patent Publication 2005-162949 publications
Patent document 7：Japanese Unexamined Patent Publication 2012-121774 publications
Non-patent literature
Non-patent literature 1：Intelligent without seeming so male, the middle river of slope is shaken time, エ ト リ Application ジ ャ イ ト heating changes, gypsum と lime, No.97, pp.11-17, nineteen sixty-eight
The content of the invention
Problems to be solved by the invention
It is an object of the present invention to provide be able to ensure that after concreting can activity duration and excellent storage stability The fast hard material of cement, its manufacture method and use its cement composition.
The solution used to solve the problem
That is, the present invention has the main idea of following (1)~(11).
(1) the fast hard material of a kind of cement, it is characterised in that it contains calcium sulphoaluminate hydrate, the calcium sulphoaluminate hydration Thing is for more than 20m/s high speed shear mode is mixed calcium aluminate, gypsum and aquo-compound by rotary speed Generation.
(2) the fast hard material of cement according to above-mentioned (1), it is with the total of calcium aluminate, gypsum and aquo-compound In 100 parts containing 25~75 parts of calcium aluminates, 25~75 parts of gypsum, 1~10 part of aquo-compound mixed proportion contain calcium aluminate, Gypsum and aquo-compound.
(3) the fast hard material of cement according to above-mentioned (1) or (2), wherein, departed from by 50~120 DEG C of heating Amount of moisture be 0.05~0.50 mass %.
(4) the fast hard material of cement according to any one of above-mentioned (1)~(3), wherein, calcium aluminate is amorphous Calcium aluminate.
(5) the fast hard material of cement according to any one of above-mentioned (1)~(4), wherein, gypsum is selected from by anhydrous It is at least one kind of in the group of gypsum, semi-hydrated gypsum and dihydrate gypsum composition.
(6) the fast hard material of cement according to any one of above-mentioned (1)~(5), wherein, aquo-compound is sulfuric acid Salt or carbonate.
(7) the fast hard material of cement according to any one of above-mentioned (1)~(6), wherein, fines content compares table with Bo Shi Area is calculated as 3000~9000cm2/g。
(8) a kind of cement composition, it contains the fast hard material of cement described in any one of cement and above-mentioned (1)~(7) Material.
(9) cement composition according to above-mentioned (8), wherein, in the cement group comprising cement and the fast hard material of cement In 100 parts of compound, the content of the fast hard material of cement is 5~50 parts.
(10) manufacture method of the fast hard material of a kind of cement, it is characterised in that pass through the height that rotary speed is more than 20m/s Fast cut mode is mixed calcium aluminate, gypsum and aquo-compound.
(11) manufacture method of the fast hard material of cement according to above-mentioned (10), wherein, the mixing of high speed shear mode The rotary speed of the shredding machine of device is more than 20m/s.
The effect of invention
In accordance with the invention it is possible to the fast hard material of the cement for providing excellent storage stability, the fast hard material of the cement and cement Mixture there is quick showing property of intensity, and then can fully ensure can the activity duration.
Embodiment
It should be noted that " part " used in the present invention, " percentage (%) " are if without special provision, for quality base It is accurate.
In addition, the concrete described in the present invention refers to the general name of cement mortar, cement mortar, and/or cement concrete.
Calcium aluminate described in the present invention refers to CaO and Al2O3For the general name of the compound of main component.It is specific as its Example, for example, can include with CaO compositions and Al2O3Composition is as amorphous compound of main component, with CaO 2Al2O3、CaO·Al2O3、12CaO·7Al2O3、3CaO·Al2O3、11CaO·7Al2O3·CaF2And 3CaO 3Al2O3·CaF2Etc. come the crystalline calcium aluminate that represents.Wherein, preferably amorphous calcium aluminate.
It should be noted that in order to improve efficiency during mixing, preferably by calcium aluminate mixed with gypsum, aquo-compound etc. Crushed in advance with ball mill etc. before closing.The fines content of calcium aluminate after crushing is with Blain specific surface (hereinafter referred to as Bo Shi Value) it is calculated as 3,000~9,000cm2/ g, preferably 4,000~8,000cm2/g。
Gypsum used in the present invention is with by CaSO4The calcium sulfate that represents of molecular formula be the total of the mineral of main component Claim.Specifically, it is respectively by CaSO4、CaSO4·1/2H2O and CaSO4·2H2Anhydrous gypsum that O molecular formula is represented, The general name of semi-hydrated gypsum and dihydrate gypsum.Wherein, preferred anhydrous gypsum.
Aquo-compound used in the present invention refer to comprising chemically combined water or physical bond water (crystallization water, Gel water etc.) compound, also including water in itself.
To the aquo-compound, there is no particular limitation, for example, Al can be included2(SO4)3·8H2O；Al2(SO4)3· 18H2O；AlNa(SO4)2·12H2O；AlK(SO4)2·12H2O；Na2SO4·10H2O；Na2CO3·10H2O；It is used as cement hydration Entringite (the 3CaOAl of thing2O3·3CaSO4·32H2O), single sulfur type hydrated calcium aluminate sulfate (3CaOAl2O3·CaSO4· 12H2O)；It is used as the C of organic compound6H8O7·H2O etc..
In addition, semi-hydrated gypsum (the CaSO among gypsum4·1/2H2O), dihydrate gypsum (CaSO4·2H2O this hair) is fallen within The bright middle aquo-compound used.Also include the unfixed hydrate of water, for example, Fe can be included2O3·nH2O；It is used as silicon Sour DFP (3CaOSiO2), dicalcium silicate (2CaOSiO2) hydrated product CaO-SiO2-H2O systems hydrate etc..
In the present invention, the one or more selected among these aquo-compounds can be used.It is aqueous with regard to these For compound, wherein, dihydrate gypsum, semi-hydrated gypsum, Potassium aluminum sulfate dodecahydrate or ten water sulfuric acid are preferably used in the present invention Sodium.
The fast hard material of cement of the present invention is cut preferably after calcium aluminate, gypsum and aquo-compound are compounded by high speed Butt formula mixes them, so as to generate calcium sulphoaluminate hydrate.High speed shear described in the present invention refers to that shear rate is More than 20m/s.
Calcium sulphoaluminate hydrate is not particularly limited, is entringite (3CaOAl2O3·3CaSO4·32H2O), single sulphur Type hydrated calcium aluminate sulfate (3CaOAl2O3·CaSO4·12H2) etc. O to include CaO, Al2O3、CaSO4、H2O etc. chemical formula comes The material of expression.Particularly preferred entringite.
Mixed proportion to calcium aluminate, gypsum and aquo-compound is not particularly limited, but generally calcium aluminate, gypsum and In 100 parts of the total of aquo-compound, calcium aluminate is 25~75 parts, preferably 30~70 parts；Gypsum is 25~75 parts, is preferably 30~70 parts；Aquo-compound is 1~10 part, preferably 2~8 parts.When mixed proportion is outside foregoing scope, it may sometimes be difficult to Ensure concrete can activity duration, initial showing property of intensity become bad.
In addition, by the mixed sample of high speed shear mode after calcium aluminate, gypsum and aquo-compound are compounded, A part of the amount of moisture equivalent to the combination water of calcium sulphoaluminate hydrate departed from by 50~120 DEG C of heating, therefore into For the standard for the calcium sulphoaluminate hydrate for confirming generation ormal weight.It should be noted that the generation of calcium sulphoaluminate hydrate passes through Following methods are identified：Observed using SEM and the particle surface of calcium aluminate and gypsum is observed, confirmed using elementary analysis Contain calcium, aluminium, sulphur.
The amount of moisture departed from by 50~120 DEG C of heating can for example, by differential thermogravimetric analysis (TG-DTA), Means of differential scanning calorimetry determines (DSC), Karl_Fischer method etc. and quantified.Particularly, Karl_Fischer method is due to can be to by adding Heat and depart from moisture directly quantified, therefore precision height and it is preferred that.In embodiment, surveyed using Karl Fisher analysis device It is scheduled at 50 DEG C and departs from amount of moisture and the disengaging amount of moisture at 120 DEG C, regard their difference as 50~120 DEG C of disengaging moisture Measure (quality %).
In the present invention, the amount of moisture departed from by 50~120 DEG C of heating is preferably 0.05~0.50%, more preferably 0.10~0.45%.If outside the scope, be difficult to ensure that sometimes concrete can the activity duration, concrete is initial strong sometimes Showing property of degree becomes bad.
In the present invention, the mixed method of calcium aluminate, gypsum and aquo-compound is important, using high speed shear mode.
Specifically, the rotary speed of the shredding machine of mixing arrangement is preferably more than 20m/s, more preferably with more than 40m/s Speed sheared and mixed.During less than 20m/s, calcium sulphoaluminate hydrate can not be equably generated sometimes, it is impossible to which ensuring can Activity duration, initial strength.To the upper limit of rotary speed, there is no particular limitation, but preferably generally below 100m/s.
It should be noted that as mixing arrangement, the Loedige of MATSUBO Corporation manufactures can be used Mixer etc..
The method of the mixing of each material during hard material fast on manufacture cement, can put into mixing by whole materials High speed shear is carried out after in machine；Can also be while continuing high speed shear, one side puts into above-mentioned material in order.To these materials Ordering in launching is not limited, but the calcium aluminate that preferably input is crushed in advance with ball mill etc. at first, then while continuing to cut at a high speed Cut, while input other materials.
The product in mixer for being mixed and being obtained by high speed shear mode can be directly as the fast hard material of cement Material is used.
The fines content of the fast hard material of cement to being mixed and being obtained in high speed shear mode is not particularly limited, but logical Often it is preferably 3000~9000cm in terms of Blain specific surface2/ g, more preferably 4000~8000cm2/g.Less than 3000cm2/g When, the showing property of initial strength becomes insufficient sometimes, if higher than 9000cm2/ g, then be difficult to ensure that mobility, can operation sometimes Time.It should be noted that can be preferably 20 minutes~60 minutes, more preferably 25 minutes~50 points after water filling the activity duration Clock.In addition, preferably 10N/mm when initial strength have passed through 3 hours after charging2More than, more preferably 12N/mm2More than.
The compounding amount of the fast hard material of cement of the present invention changes according to the compounding of concrete, therefore does not limit especially It is fixed, but generally in 100 parts of the cement composition comprising cement and the fast hard material of cement, preferably 5~50 parts, more preferably 10 ~40 parts.During less than 5 parts, can not obtain sometimes sufficiently fast hardness can, if using being higher than 50 parts, conserving for a long time sometimes Occasion intensity can be reduced.
The cement used in cement composition as the present invention, can include common, early strong, super hardening, low-heat, middle heat Etc. various Portland cements, blast-furnace cinder (slag), flyash (fly ash), silica are mixed with these cement Various blended cements, and the filler cement of limestone powder is mixed with, and burnt with city garbage burning ash, sewage sludge The Portland cements such as the environmentally friendly cement (environmentally friendly cement) that ashing manufactures for raw material, can use one kind therein or two More than kind.Wherein, early strong Portland cement is preferably selected.
Water reducer, height can also be applied in combination except sand, sandstone etc. in the concrete of the fast hard material of cement containing the present invention Performance water reducer, AE water reducers, high performance AF dehumidifying agent, flowing agent, defoamer, thickener, antirust agent, antifreezing agent, decrement Agent, macromolecule emulsion, condense the clay minerals such as conditioning agent etc., bentonite, zeolite plasma permutoid and siliceous micro- The inorganic based material such as powder, calcium carbonate, calcium hydroxide, calcium silicates and vinylon fiber as organic based material, acrylic fibers The fibrous materials such as dimension, carbon fiber.
[embodiment]
Hereinafter, embodiments in accordance with the present invention are illustrated in further detail, but the present invention is not limited by these embodiments It is fixed to explain.
" experimental example 1 "
Calcium aluminate (hereinafter referred to as CA) is crushed to Bo Shi values for 5000cm with ball mill2/ g, as shown in table 1, at 20 DEG C Lower to be compounded calcium aluminate, gypsum and aquo-compound, the rotary speed for making shredding machine is 60m/s, uses Loedige Mixer (MATSUBO Corporation systems) carries out high speed shear mixing.By obtained mixture directly as the fast hard material of cement Material is used.
Then, by used in total cement composition 10 parts of gained it is the fast hard material of cement, comprising cement and cement 100 parts of the cement composition of fast hard material is compounded with 150 parts of sand, 30 parts of water and 0.8 part of conditioning agent of condensation, at 20 DEG C Interior, cement mortar is prepared with mortar mixer.Determine obtain cement mortar can activity duration and compressive strength.
It should be noted that as comparative example, for calcium aluminate, gypsum and aquo-compound progress mixed on low speed (are cut Cutting speed degree 5m/s) and obtain the fast hard material of cement " mixed on low speed " situation, carry out co-grinding with ball mill and obtain The fast hard material of cement " while crushing A " situation, the situation "-" for calcium aluminate and gypsum not being mixed and being used, is also carried out same Experiment.Show the result in table 1.
＜ uses material ＞
CA(6)：CaO/Al2O3Using molar ratio computing as 1.7, include 3% SiO2Noncrystalline CA.Use extra pure reagent Calcium carbonate, aluminum oxide and silica, after being melted at 1650 DEG C, are quenched and are synthesized (10 mesh pass through product).
Gypsum：Commercially available product, anhydrous gypsum, 10 mesh pass through product.
Aquo-compound (1)：Dihydrate gypsum, commercially available product, 10 mesh pass through product.
Aquo-compound (2)：Semi-hydrated gypsum, commercially available product, 10 mesh pass through product.
Aquo-compound (3)：Aluminum sulfate octadecahydrate, commercially available product, 10 mesh pass through product.
Aquo-compound (4)：Potassium aluminum sulfate dodecahydrate, commercially available product, 10 mesh pass through product.
Aquo-compound (5)：Sal glauberi, commercially available product, 10 mesh pass through product.
Aquo-compound (6)：Washing soda, commercially available product, 10 mesh pass through product.
Condense conditioning agent：25 parts of the citric acid of extra pure reagent and the mixture of 75 parts of the potassium carbonate of extra pure reagent.
Sand：JIS normal sands, commercially available product.
Cement：Normal portland cement.Commercially available product, Bo Shi values 3000cm2/g。
Water：Running water.
＜ assay methods ＞
Depart from amount of moisture：50~120 DEG C of disengaging amount of moisture：In order to confirm the growing amount of calcium sulphoaluminate hydrate, use Karl Fisher analysis device (capital of a country electronics industry Co. Ltd. system), determines disengaging amount of moisture at 50 DEG C and at 120 DEG C Disengaging amount of moisture, using they difference be used as 50~120 DEG C depart from amounts of moisture (quality %).
Can the activity duration：Temperature in use recording gauge (Keyemce Co. Ltd. system), is determined from mixing to the temperature of mortar The time untill 2 DEG C is risen.
Compressive strength：According to JIS R 5201,4 × 4 × 16cm test body is made, the compressive strength after determining 3 hours. (MARUI＆Co., LTD. system, full-automatic compression test)
" result in experimental example 1 " is shown in table 1 below by above-mentioned.
[table 1]
" experimental example 2 "
In addition to changing the compounding amount of aquo-compound as shown in table 2, implement in the same manner as experimental example 1, surveyed Fixed, evaluation.Show the result in table 2.
[table 2]
" experimental example 3 "
In addition to changing the species of calcium aluminate as shown in table 3, implement in the same manner as experimental example 1, be measured, comment Valency.Show the result in table 3.
＜ uses material ＞
CA(1)：CaO/Al2O3Using molar ratio computing as the CA of 1.0, crystalline, main component is CaOAl2O310 mesh lead to Cross product.
CA(2)：CaO/Al2O3Using molar ratio computing as the CA of 1.5, crystalline, main component is CaOAl2O3With 12CaO·7Al2O310 mesh pass through product.
CA(3)：CaO/Al2O3Using molar ratio computing as the CA of 1.7, crystalline, main component is CaOAl2O3With 12CaO·7Al2O310 mesh pass through product.
CA(4)：CaO/Al2O3Using molar ratio computing as the CA of 2.0, crystalline, main component is CaOAl2O3With 12CaO·7Al2O310 mesh pass through product.
CA(5)：CaO/Al2O3Using molar ratio computing as 1.5, include 3% SiO2, amorphous CA.Use extra pure reagent Calcium carbonate, aluminum oxide and silica, after being melted at 1650 DEG C, are quenched and are synthesized.10 mesh pass through product.
CA(7)：CaO/Al2O3Using molar ratio computing as 2.0,3% SiO is included2, amorphous CA.Use extra pure reagent Calcium carbonate, aluminum oxide and silica, after being melted at 1650 DEG C, are quenched and are synthesized.10 mesh pass through product.
[table 3]
" experimental example 4 "
Except compounding amount is fixed as：(1) 1 part of (6) 50 parts of CA, 49 parts of gypsum and aquo-compound are simultaneously as shown in table 4 Ground changes beyond the rotary speed (shear rate) of shredding machine, implements in the same manner as experimental example 1, is measured, evaluates.By result It is shown in table 4.
[table 4]
Industrial applicability
The excellent storage stability of the fast hard material of cement of the present invention, has used the fast hardening concrete of the fast hard material of the cement Can fully ensure can the activity duration, can be widely used in civil construction field.
Go out to be willing to No. 2013-129923 it should be noted that quoting the Japanese Patent filed an application on June 20th, 2013 herein Specification, the full content of claims and summary, be incorporated to as the disclosure of description of the invention.

Claims (7)

1. a kind of fast hard material of cement, it is characterised in that it contains calcium sulphoaluminate hydrate, and the calcium sulphoaluminate hydrate is logical The high speed shear mode that rotary speed is more than 20m/s is crossed to mix calcium aluminate, gypsum and aquo-compound and generate,
The water that the calcium sulphoaluminate hydrate determined using Karl Fisher analysis device is departed from by 50~120 DEG C of heating Component is 0.05~0.50 mass %,
It 25~75 parts of calcium aluminate, 25~75 parts of gypsum, contains with 100 parts of the total of calcium aluminate, gypsum and aquo-compound The ratio that 1~10 part of hydrate is mixed,
Fines content is calculated as 3000~9000cm with Blain specific surface2/g。
2. the fast hard material of cement according to claim 1, wherein, calcium aluminate is amorphous calcium aluminate.
3. the fast hard material of cement according to claim 1, wherein, gypsum is selected from by anhydrous gypsum, semi-hydrated gypsum and two It is at least one kind of in the group of water gypsum composition.
4. the fast hard material of cement according to claim 1, wherein, aquo-compound is sulfate or carbonate.
5. a kind of cement composition, it contains the fast hard material of cement described in any one of cement and Claims 1 to 4.
6. cement composition according to claim 5, wherein, in 100 parts of the total of cement and the fast hard material of cement, water The content of the fast hard material of mud is 5~50 parts.
7. a kind of manufacture method of the fast hard material of cement according to claim 1, it is characterised in that be by rotary speed More than 20m/s high speed shear mode is mixed calcium aluminate, gypsum and aquo-compound,
The rotary speed of the shredding machine of mixing arrangement in the high speed shear mode is more than 20m/s.
CN201480035179.2A 2013-06-20 2014-06-11 The fast hard material of cement, its manufacture method and cement composition Active CN105339322B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-129923 2013-06-20
JP2013129923 2013-06-20
PCT/JP2014/065502 WO2014203788A1 (en) 2013-06-20 2014-06-11 Cement quick hardening material, method for producing same, and cement composition

Publications (2)

Publication Number Publication Date
CN105339322A CN105339322A (en) 2016-02-17
CN105339322B true CN105339322B (en) 2017-09-05

Family

ID=52104525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480035179.2A Active CN105339322B (en) 2013-06-20 2014-06-11 The fast hard material of cement, its manufacture method and cement composition

Country Status (3)

Country Link
JP (1) JP6387002B2 (en)
CN (1) CN105339322B (en)
WO (1) WO2014203788A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020039908A1 (en) * 2018-08-22 2020-02-27 デンカ株式会社 Hardening agent for ready-mix shipped rapid-hardening concrete, ready-mix shipped rapid-hardening concrete material, ready-mix shipped rapid-hardening concrete composition, and method for preparing same
CN109160762B (en) * 2018-08-23 2021-04-16 武汉三源特种建材有限责任公司 Cement quick-hardening additive and application thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5385822A (en) * 1976-12-30 1978-07-28 Matsushita Electric Works Ltd Method for production of swelling material
JPH08337453A (en) * 1995-06-12 1996-12-24 Yoshizawa Sekkai Kogyo Kk Synthesizing method of calcium sulfoaluminate
JPH10330140A (en) * 1997-05-28 1998-12-15 Chichibu Onoda Cement Corp Cement accelerator
JP4617073B2 (en) * 2003-08-08 2011-01-19 太平洋マテリアル株式会社 Quick hardening material and quick hardening cement composition
JP5265103B2 (en) * 2006-10-18 2013-08-14 村樫石灰工業株式会社 Method for producing a composition for insoluble treatment of hazardous substances

Also Published As

Publication number Publication date
CN105339322A (en) 2016-02-17
JP6387002B2 (en) 2018-09-05
WO2014203788A1 (en) 2014-12-24
JPWO2014203788A1 (en) 2017-02-23

Similar Documents

Publication Publication Date Title
CN109415256B (en) Synthetic volcanic ash
ES2559469T3 (en) Belita-calcium aluminate as an additive
JP5706417B2 (en) Additives for hydraulic binders based on belite-calcium sulfoaluminate-ferrite clinker
Mahyar et al. Phosphate-activated high-calcium fly ash acid-base cements
JP6488340B2 (en) Quick hardening material and quick hardening cement composition
JP2021514920A (en) Cement chemistry
TWI815994B (en) Cement admixtures, expanding materials and cement compositions
KR101116346B1 (en) Blast furnace slag cement synthetic method and blast furnace slag cement produced by this method
JP7037879B2 (en) Early-strength admixture for secondary products and early-strength concrete for secondary products
CN105339322B (en) The fast hard material of cement, its manufacture method and cement composition
WO2022044890A1 (en) Cement composition, production method, method for inhibiting carbonation of steel-reinforced concrete by adding said cement composition, and method for keeping beautiful appearance of surface of steel-reinforced concrete by adding said cement composition
WO2017109583A2 (en) Magnesium phosphate based cement, mortar and concrete compositions with increased working time
CN107743477A (en) It is used for the activator of clinker alternative materials with low ph value
CN112601726A (en) Hardening agent for quick-hardening concrete delivered in ready-mixed concrete mode, quick-hardening concrete material delivered in ready-mixed concrete mode, quick-hardening concrete composition delivered in ready-mixed concrete mode and preparation method thereof
JP6938742B1 (en) Ground improvement material slurry, ground improvement material cured product, and ground improvement method
WO2021215509A1 (en) Cement admixture, expansion material, and cement composition
WO2021024853A1 (en) Cement admixture and hydraulic composition
KR20230002413A (en) Cement admixtures and cement compositions
JP2016175784A (en) Clinker composition, and cement composition
JP2021160972A (en) Powder type quick-setting agent, quick-setting material and spray construction method
JP5701546B2 (en) Spraying material and spraying method using the same
CN110304885A (en) The cement mortar and preparation method thereof of high additive solid waste preparation
JP7181355B1 (en) Cement admixture, method for producing cement admixture, and cement composition
JP7453047B2 (en) Cement quick setting agent and cement composition
KR101129393B1 (en) Blast furnace slag cement synthetic method and blast furnace slag cement produced by this method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant