CN103755268B - Method for preparing hydraulic cementing material - Google Patents
Method for preparing hydraulic cementing material Download PDFInfo
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- CN103755268B CN103755268B CN201410052827.7A CN201410052827A CN103755268B CN 103755268 B CN103755268 B CN 103755268B CN 201410052827 A CN201410052827 A CN 201410052827A CN 103755268 B CN103755268 B CN 103755268B
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Abstract
The invention discloses a method for preparing a hydraulic cementing material. The method is characterized by comprising the following steps: weighing the following raw materials: 423 g of cement, 27 g of a mineral composite additive, 650 g of sand, 1100 g of pebble, 225 ml of water, 4 g of polypropylene fiber and 3 g of a naphthalene water reducer; putting the cement, the mineral composite additive and 100 ml of water into a concrete stirring machine for stirring for 2minutes, and then adding the sand, the pebble, the polypropylene fiber, the naphthalene water reducer and 125 ml of water for stirring continuously for 2 minutes, so that the hydraulic cementing material is obtained. The raw materials of the hydraulic cementing material are easily purchased, and the production process is simple and can be used for producing the hydraulic cementing material easily. The hydraulic cementing material is convenient and can be uniformly used in the using process, the production stability is achieved, and the quality of the produced hydraulic cementing material is ensured.
Description
Technical field
The present invention relates to a kind of preparation method of hydraulic cementing materials, belong to building material manufacture field.
Background technology
The raw-material volume of volume ratio reacting the crystalline compound formed due to water and cement is little, therefore causes the contraction of volume of concrete.In morning, the mid-term of sclerosis, cause drying shrinkage, temperature variation etc. due to the evaporation of free water in concrete again, this series of problem causes concrete easy to crack.Cement expansive material is a kind of mineral additive, has the effect of anti-crack and anti-seepage, and it generates ettringite, calcium hydroxide and magnesium hydroxide through hydration reaction after mixing and stirring with cement, water in concrete mixing process, makes concrete produce volumetric expansion.Be called expansive concrete with the concrete of its preparation, apply at home widely at present, positive effect is served to the quality improving concrete construction.Use cement expansive material can prepare expansive concrete, fill concrete, filling mortar, self-stressing concrete and water-proof concrete.At China's swelling agent by a large amount of for expansive concrete, expansive concrete is reacted by expansion component and hydrolysis product of cement to produce volumetric expansion, by expansion energy to restraint work done, the confined expansion produced is offset concrete drying, cooling and load etc. and is acted on the confined shrinkage caused, generally inside concrete can be made to set up the stress of 0.2-0.7MPa under used arrangement of reinforcement condition, mainly dry shrinkage be compensated.The key distinction of expansive concrete and normal concrete is: 1. due to the effect of confined expansion, improves concrete stressed condition; 2., because the filling effect of swelling property crystal makes the macropore in Behavior of Hardened Cement Paste diminish, overall porosity declines, and improve concrete pore structure, thus improve concrete impermeability, it has the crack resistance that general water-proof concrete cannot be compared.
We find a kind of to be used for build concrete additive in test of long duration and practice, build concrete additive of the present invention in intensity, toughness, stability etc. on performance excellent, be specially adapted to road, bridge.And by adding this concrete additive, make the effect that concrete surface is smooth, have obvious brightness.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method with the hydraulic cementing materials of the functions such as high strength, high-tenacity, high stability is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
A preparation method for hydraulic cementing materials, is characterized in that:
Take raw material: cement 423g, mineral composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, mineral composite additive and 100 ml water are put into concrete mixer and stir 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continuation stirring 2 minutes, after stirring, obtain hydraulic cementing materials;
Described mineral composite additive preparation method step is:
Step (1): according to alunite 75-80 part, dickite 45-50 part, zeolite powder 45-50 part, montmorillonite 35-40 part, sodium bentonite 25-30 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 20-25 part, sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, tripoly phosphate sodium STPP 0.3-0.5 part, borax 0.4-0.7 part, calcium chloride 0.4-0.8 part proportioning (weight) prepares raw material
Step (2): alunite 75-80 part, dickite 45-50 part, zeolite powder 45-50 part, montmorillonite 35-40 part are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 25-30 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 20-25 part are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 750 DEG C, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 1 hour, pour sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part afterwards into, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, tripoly phosphate sodium STPP 0.3-0.5 part, borax 0.4-0.7 part, calcium chloride 0.4-0.8 part, then mechanically mixing 1 hour, obtain mineral composite additive.
As preferably, the preparation method of described hydraulic cementing materials, described mineral composite additive additive raw material is: alunite 75 parts, dickite 45 parts, zeolite powder 45 parts, montmorillonite 35 parts, sodium bentonite 25 parts, 25 parts, flyash, 20 parts, Calcium Fluoride (Fluorspan), sucrose 5 parts, polyvinyl alcohol 3 parts, methylcellulose gum 3 parts, 1 part, sodium carbonate, 2 parts, gypsum, water glass 2 parts, aluminium powder 1 part, tripoly phosphate sodium STPP 0.3 part, borax 0.4 part, 0.4 part, calcium chloride.
As preferably, the preparation method of described hydraulic cementing materials, described mineral composite additive raw material is: alunite 80 parts, dickite 50 parts, zeolite powder 50 parts, montmorillonite 40 parts, sodium bentonite 30 parts, 30 parts, flyash, 25 parts, Calcium Fluoride (Fluorspan), sucrose 10 parts, polyvinyl alcohol 4 parts, methylcellulose gum 4 parts, 3 parts, sodium carbonate, 4 parts, gypsum, water glass 3 parts, aluminium powder 2 parts, tripoly phosphate sodium STPP 0.5 part, borax 0.7 part, 0.8 part, calcium chloride.
As preferably, the preparation method of described hydraulic cementing materials, described mineral composite additive raw material is: alunite 77 parts, dickite 47 parts, zeolite powder 47 parts, montmorillonite 37 parts, sodium bentonite 27 parts, 27 parts, flyash, 23 parts, Calcium Fluoride (Fluorspan), sucrose 8 parts, polyvinyl alcohol 3.5 parts, methylcellulose gum 3.5 parts, 2 parts, sodium carbonate, 3 parts, gypsum, water glass 2.5 parts, aluminium powder 1.5 parts, tripoly phosphate sodium STPP 0.4 part, borax 0.5 part, 0.5 part, calcium chloride.
As preferably, the preparation method of described hydraulic cementing materials, described mineral composite additive raw material is: alunite 78 parts, dickite 48 parts, zeolite powder 48 parts, montmorillonite 38 parts, sodium bentonite 28 parts, 28 parts, flyash, 24 parts, Calcium Fluoride (Fluorspan), sucrose 7 parts, polyvinyl alcohol 3.5 parts, methylcellulose gum 3.3 parts, 1.4 parts, sodium carbonate, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.6 parts, tripoly phosphate sodium STPP 0.4 part, borax 0.45 part, 0.7 part, calcium chloride.
As preferably, the preparation method of described hydraulic cementing materials, it is 0.9mm that step (2) obtains mixture A granularity size.
As preferably, the preparation method of described hydraulic cementing materials, it is 0.4mm that step (3) obtains mixture B granularity size.
As preferably, the preparation method of described hydraulic cementing materials, sodium bentonite composition is (weight): 77.3%SiO
2, 8.5%Al
2o
3, 1.9%Fe
2o
3, 1.1%CaO, 4%MgO, 3.8%Na
2o, 3.4% loss on ignition.
As preferably, the preparation method of described hydraulic cementing materials, dickite composition is (weight): 61.1%SiO
2, 31.3%Al
2o
3, 1.2%Fe
2o
3, 1.1%CaO, 0.5%MgO, 4.8% loss on ignition.
As preferably, the preparation method of described hydraulic cementing materials, zeolite component is (weight): 65.5%SiO
2, 14.7%Al
2o
3, 3.6%FeO, 6.5%Fe
2o
3, 2.7%CaO, 2.8%MgO, 0.5%TiO2,0.3%K2O, 0.2%MnO, 3.2% loss on ignition.
Compared with prior art, the present invention has following beneficial effect:
1, the preparation of base sample: adopt cement 450g, sand 650g, stone 1100 g, polypropylene fibre 4g, naphthalene water reducer 3g, water consumption 225ml, according to, and shaping 40 × 40 × 160mm test specimen, temperature 20 ± 2 DEG C, humidity is maintenance under the condition of more than 90%.
2, the preparation of test sample: adopt cement 423g, the mineral composite additive 27g prepared, sand 650g, stone 1100 g, polypropylene fibre 4g, naphthalene water reducer 3g, water consumption 225ml, according to, and shaping 40 × 40 × 160mm test specimen, temperature 20 ± 2 DEG C, humidity is maintenance under the condition of more than 90%.
Obtained mineral composite additive is improve 5.1MPa in hydraulic cementing materials early strength when volume is and substitutes cement consumption 6 ﹪ in hydraulic cementing materials in hydraulic cementing materials; Later strength improves 11.8MPa.Mineral composite additive starting material of the present invention are easily purchased, and production technique is uncomplicated, are simply easy to produce product, conveniently also can evenly use in use procedure, meet the stability of producing, and ensure the quality of production hydraulic cementing materials.
Embodiment
Embodiment 1
A preparation method for hydraulic cementing materials, is characterized in that:
Take raw material: cement 423g, mineral composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, mineral composite additive and 100 ml water are put into concrete mixer and stir 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continuation stirring 2 minutes, after stirring, obtain hydraulic cementing materials;
Described mineral composite additive preparation method step is:
Step (1): according to alunite 75 parts, dickite 45 parts, zeolite powder 45 parts, montmorillonite 35 parts, sodium bentonite 25 parts, 25 parts, flyash, 20 parts, Calcium Fluoride (Fluorspan), sucrose 5 parts, polyvinyl alcohol 3 parts, methylcellulose gum 3 parts, 1 part, sodium carbonate, 2 parts, gypsum, water glass 2 parts, aluminium powder 1 part, tripoly phosphate sodium STPP 0.3 part, borax 0.4 part, calcium chloride 0.4 part of proportioning prepares raw material
Step (2): alunite 75 parts, dickite 45 parts, zeolite powder 45 parts, montmorillonite 35 parts are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 25 parts, 25 parts, flyash, 20 parts, Calcium Fluoride (Fluorspan) are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 750 DEG C, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 1 hour, pour sucrose 5 parts, polyvinyl alcohol 3 parts, methylcellulose gum 3 parts, 1 part, sodium carbonate afterwards into, 2 parts, gypsum, water glass 2 parts, aluminium powder 1 part, tripoly phosphate sodium STPP 0.3 part, borax 0.4 part, 0.4 part, calcium chloride, then mechanically mixing 1 hour, obtain mineral composite additive.
Embodiment 2
A preparation method for hydraulic cementing materials, is characterized in that:
Take raw material: cement 423g, mineral composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, mineral composite additive and 100 ml water are put into concrete mixer and stir 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continuation stirring 2 minutes, after stirring, obtain hydraulic cementing materials;
Described mineral composite additive preparation method step is:
Step (1): according to alunite 80 parts, dickite 50 parts, zeolite powder 50 parts, montmorillonite 40 parts, sodium bentonite 30 parts, 30 parts, flyash, 25 parts, Calcium Fluoride (Fluorspan), sucrose 10 parts, polyvinyl alcohol 4 parts, methylcellulose gum 4 parts, 3 parts, sodium carbonate, 4 parts, gypsum, water glass 3 parts, aluminium powder 2 parts, tripoly phosphate sodium STPP 0.5 part, borax 0.7 part, calcium chloride 0.8 part of proportioning prepares raw material
Step (2): alunite 80 parts, dickite 50 parts, zeolite powder 50 parts, montmorillonite 40 parts are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 30 parts, 30 parts, flyash, 25 parts, Calcium Fluoride (Fluorspan) are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 750 DEG C, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 1 hour, pour sucrose 10 parts, polyvinyl alcohol 4 parts, methylcellulose gum 4 parts, 3 parts, sodium carbonate afterwards into, 4 parts, gypsum, water glass 3 parts, aluminium powder 2 parts, tripoly phosphate sodium STPP 0.5 part, borax 0.7 part, 0.8 part, calcium chloride, then mechanically mixing 1 hour, obtain mineral composite additive.
Embodiment 3
A preparation method for hydraulic cementing materials, is characterized in that:
Take raw material: cement 423g, mineral composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, mineral composite additive and 100 ml water are put into concrete mixer and stir 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continuation stirring 2 minutes, after stirring, obtain hydraulic cementing materials;
Described mineral composite additive preparation method step is:
Step (1): according to alunite 77 parts, dickite 47 parts, zeolite powder 47 parts, montmorillonite 37 parts, sodium bentonite 27 parts, 27 parts, flyash, 23 parts, Calcium Fluoride (Fluorspan), sucrose 8 parts, polyvinyl alcohol 3.5 parts, methylcellulose gum 3.5 parts, 2 parts, sodium carbonate, 3 parts, gypsum, water glass 2.5 parts, aluminium powder 1.5 parts, tripoly phosphate sodium STPP 0.4 part, borax 0.5 part, calcium chloride 0.5 part of proportioning prepares raw material
Step (2): alunite 77 parts, dickite 47 parts, zeolite powder 47 parts, montmorillonite 37 parts are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 27 parts, 27 parts, flyash, 23 parts, Calcium Fluoride (Fluorspan) are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 750 DEG C, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 1 hour, pour sucrose 8 parts, polyvinyl alcohol 3.5 parts, methylcellulose gum 3.5 parts, 2 parts, sodium carbonate afterwards into, 3 parts, gypsum, water glass 2.5 parts, aluminium powder 1.5 parts, tripoly phosphate sodium STPP 0.4 part, borax 0.5 part, 0.5 part, calcium chloride, then mechanically mixing 1 hour, obtain mineral composite additive.
Embodiment 4
A preparation method for hydraulic cementing materials, is characterized in that:
Take raw material: cement 423g, mineral composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, mineral composite additive and 100 ml water are put into concrete mixer and stir 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continuation stirring 2 minutes, after stirring, obtain hydraulic cementing materials;
Described mineral composite additive preparation method step is:
Step (1): according to alunite 78 parts, dickite 48 parts, zeolite powder 48 parts, montmorillonite 38 parts, sodium bentonite 28 parts, 28 parts, flyash, 24 parts, Calcium Fluoride (Fluorspan), sucrose 7 parts, polyvinyl alcohol 3.5 parts, methylcellulose gum 3.3 parts, 1.4 parts, sodium carbonate, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.6 parts, tripoly phosphate sodium STPP 0.4 part, borax 0.45 part, calcium chloride 0.7 part of proportioning prepares raw material
Step (2): alunite 78 parts, dickite 48 parts, zeolite powder 48 parts, montmorillonite 38 parts are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 28 parts, 28 parts, flyash, 24 parts, Calcium Fluoride (Fluorspan) are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 750 DEG C, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 1 hour, pour sucrose 7 parts, polyvinyl alcohol 3.5 parts, methylcellulose gum 3.3 parts, 1.4 parts, sodium carbonate afterwards into, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.6 parts, tripoly phosphate sodium STPP 0.4 part, borax 0.45 part, 0.7 part, calcium chloride, then mechanically mixing 1 hour, obtain mineral composite additive.
Claims (6)
1. a preparation method for hydraulic cementing materials, is characterized in that:
Take raw material: cement 423g, mineral composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, mineral composite additive and 100 ml water are put into concrete mixer and stir 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continuation stirring 2 minutes, after stirring, obtain hydraulic cementing materials;
Described mineral composite additive preparation method step is:
Step (1): according to alunite 75-80 part, dickite 45-50 part, zeolite powder 45-50 part, montmorillonite 35-40 part, sodium bentonite 25-30 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 20-25 part, sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, tripoly phosphate sodium STPP 0.3-0.5 part, borax 0.4-0.7 part, calcium chloride 0.4-0.8 part proportioning (weight) prepares raw material
Step (2): alunite 75-80 part, dickite 45-50 part, zeolite powder 45-50 part, montmorillonite 35-40 part are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 25-30 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 20-25 part are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 750 DEG C, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 1 hour, pour sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part afterwards into, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, tripoly phosphate sodium STPP 0.3-0.5 part, borax 0.4-0.7 part, calcium chloride 0.4-0.8 part, then mechanically mixing 1 hour, obtain mineral composite additive.
2. the preparation method of hydraulic cementing materials as claimed in claim 1, it is 0.9mm that step (2) obtains mixture A granularity size.
3. the preparation method of hydraulic cementing materials as claimed in claim 1, it is 0.4mm that step (3) obtains mixture B granularity size.
4. the preparation method of hydraulic cementing materials as claimed in claim 1, sodium bentonite composition is (weight): 77.3%SiO
2, 8.5%Al
2o
3, 1.9%Fe
2o
3, 1.1%CaO, 4%MgO, 3.8%Na
2o, 3.4% loss on ignition.
5. the preparation method of hydraulic cementing materials as claimed in claim 1, dickite composition is (weight): 61.1%SiO
2, 31.3%Al
2o
3, 1.2%Fe
2o
3, 1.1%CaO, 0.5%MgO, 4.8% loss on ignition.
6. the preparation method of hydraulic cementing materials as claimed in claim 1, zeolite component is (weight): 65.5%SiO
2, 14.7%Al
2o
3, 3.6%FeO, 6.5%Fe
2o
3, 2.7%CaO, 2.8%MgO, 0.5%TiO
2, 0.3%K
2o, 0.2%MnO, 3.2% loss on ignition.
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| CN201510083274.6A CN104591558B (en) | 2014-02-17 | 2014-02-17 | Preparation method for hydraulic cementing material with high-strength, high-toughness and high-stability functions |
| CN201410052827.7A CN103755268B (en) | 2014-02-17 | 2014-02-17 | Method for preparing hydraulic cementing material |
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| CN201410052827.7A CN103755268B (en) | 2014-02-17 | 2014-02-17 | Method for preparing hydraulic cementing material |
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| CN105924043A (en) * | 2016-04-29 | 2016-09-07 | 尹超 | Hydraulic cementing material |
| CN105924045A (en) * | 2016-05-02 | 2016-09-07 | 李逸博 | Preparation method for building pouring material |
| CN106082770A (en) * | 2016-06-17 | 2016-11-09 | 汤海涛 | A kind of water-proof cement additive |
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|---|---|---|---|---|
| US6875266B1 (en) * | 1999-04-09 | 2005-04-05 | James Hardie Research Pty Limited | Concrete formulation |
| CN1990413A (en) * | 2005-12-27 | 2007-07-04 | 尹小林 | Synthesis-reactivation technique for preparing inorganic coagulation material |
| CN101182139A (en) * | 2007-11-12 | 2008-05-21 | 华南理工大学 | Masonry cement having higher strength and water retention |
| CN101508553A (en) * | 2009-03-27 | 2009-08-19 | 徐东亮 | Light energy conservation insulating concrete |
-
2014
- 2014-02-17 CN CN201410052827.7A patent/CN103755268B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6875266B1 (en) * | 1999-04-09 | 2005-04-05 | James Hardie Research Pty Limited | Concrete formulation |
| CN1990413A (en) * | 2005-12-27 | 2007-07-04 | 尹小林 | Synthesis-reactivation technique for preparing inorganic coagulation material |
| CN101182139A (en) * | 2007-11-12 | 2008-05-21 | 华南理工大学 | Masonry cement having higher strength and water retention |
| CN101508553A (en) * | 2009-03-27 | 2009-08-19 | 徐东亮 | Light energy conservation insulating concrete |
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