CN104891907A - Fast-setting high-strength cement material and preparation method thereof - Google Patents
Fast-setting high-strength cement material and preparation method thereof Download PDFInfo
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- CN104891907A CN104891907A CN201510245158.XA CN201510245158A CN104891907A CN 104891907 A CN104891907 A CN 104891907A CN 201510245158 A CN201510245158 A CN 201510245158A CN 104891907 A CN104891907 A CN 104891907A
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- cement material
- metakaolin
- volcanic ash
- high strength
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- 239000004568 cement Substances 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 49
- 239000011259 mixed solution Substances 0.000 claims description 24
- 239000003365 glass fiber Substances 0.000 claims description 14
- 229920005646 polycarboxylate Polymers 0.000 claims description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 12
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920003987 resole Polymers 0.000 claims description 12
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 10
- 235000013539 calcium stearate Nutrition 0.000 claims description 10
- 239000008116 calcium stearate Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 abstract description 3
- 238000005345 coagulation Methods 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 2
- 239000012535 impurity Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000009775 high-speed stirring Methods 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 6
- 239000004071 soot Substances 0.000 description 6
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000021321 essential mineral Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a fast-setting high-strength cement material, which comprises, 35-55 parts of sulphate aluminium cement, 30-50 parts of volcanic ash, 5-20 parts of metakaolin, 5-15 parts of diatomite and a mixing agent; the mixing agent includes 0.1-0.3 part of a water reducer and 0.05-0.2 part of fiber, calculated by the total weight of sulphate aluminium cement, volcanic ash, metakaolin and diatomite of being 100 parts. The fast-setting high-strength cement material prepared by the invention has the advantages of high coagulation speed, good initial strength, one day compressive strength no less than 40Mpa, 3-day compressive strength no less than 55MPa and 7 day compressive strength no less than 60MPa, and is applicable to quick repairing of road diseases and building components; besides, the fast-setting high-strength cement material is simple for operation, and has good economic and social benefits.
Description
Technical field
The present invention relates to a kind of fast solidifying high strength cement material, this cement material can be applicable to highway, building, water conservancy etc. and requires in the construction work of high-strength quick-solidifying, the invention still further relates to a kind of preparation method of fast solidifying high strength cement material simultaneously.
Background technology
Cement is powdery hydraulicity inorganic coagulation material.Add water after stirring and become slurry, can harden in atmosphere or better harden in water, and can the material such as sand, stone is cemented together securely.Cement all needs a large amount of use in the multinomial construction works such as highway, building, water conservancy.But existing cement material often can not meet construction requirement preferably at the construction site that ask for something is higher, as lower in there is early strength, the problems such as rate of set is slow.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of fast solidifying high strength cement material and preparation method thereof.
The technology used in the present invention solution is:
A kind of fast solidifying high strength cement material, comprise aluminosulfate cement, volcanic ash, metakaolin, diatomite and mix agent, wherein aluminosulfate cement 35 ~ 55 parts, volcanic ash 30 ~ 50 parts, metakaolin 5 ~ 20 parts, 5 ~ 15 parts, diatomite, with parts by weight; Described mix agent comprises water reducer and fiber, is 100 parts in aluminosulfate cement, volcanic ash, metakaolin and diatomaceous weight summation, described water reducer accounting 0.1 ~ 0.3 part, fiber accounting 0.05 ~ 0.2 part.
Preferably, described water reducer is polycarboxylate water-reducer.
Preferably, described fiber is short chopping glass fibre.
Preferably, described mix agent also comprises stablizer, and described stablizer accounting is 0.05 ~ 0.2 part.
Preferably, described stablizer is calcium stearate.
Preferably, described mix agent also comprises terpolycyantoamino-formaldehyde resin, resol and sodium polyacrylate, and wherein terpolycyantoamino-formaldehyde resin accounting is 4 ~ 6 parts, resol accounting is 3 ~ 5 parts, sodium polyacrylate accounting is 0.5 ~ 1 part.
The preparation method of above-mentioned fast solidifying high strength cement material, comprises the following steps:
(1) take each raw material by above-mentioned weight, aluminosulfate cement, volcanic ash, metakaolin and diatomite are added automatic mixing machine and mixes in pot, stir, obtain pre-composition;
(2) fabric thrashing is fluffy, and be mixed to get mix agent with water reducer;
(3) mix agent is added in suitable quantity of water obtain mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue to stir for some time, obtain rapid high intensity cement material.
Advantageous Effects of the present invention is:
(1) it is fast that the fast solidifying high strength cement material that the present invention obtains has rate of set, the advantages such as early strength is good, 1 day ultimate compression strength >=40MP ɑ, 3 days ultimate compression strength >=55MP, 7 days ultimate compression strength >=60MP ɑ, are applicable to road disease Rapid-Repair, building slab Rapid-Repair etc., simple to operate, there are good economic benefit and social benefit.
(2) the present invention selects volcanic ash to be essential mineral filler, volcanic ash aboundresources, easily, impurity is few, mineral composition stable components in exploitation, there is good processing characteristics, easily wear into fine powder, and good with the compatibleness of other materials, there is good particle characteristic after levigate, improve the weather resistance of overall performance, be comparatively suitable as fast solidifying high strength cement material.The present invention chooses volcanic ash for cement material, coagulates soon and while high strength, also reduce cost in guarantee.
(3) the present invention adds the terpolycyantoamino-formaldehyde resin of certain part by weight, resol and sodium polyacrylate in mix agent, makes itself and main body powder can better coordinated, further enhancing the early strength of fast solidifying high strength cement material.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
Take aluminosulfate cement 350g, volcanic ash 500g, metakaolin 50g, diatomite 100g, polycarboxylate water-reducer 1g and short chopping glass fibre 1g.
Volcanic ash, metakaolin and diatomite being crushed to respectively particle diameter is 0.01 μm ~ 150 μm, preferably 0.1 μm ~ 50 μm.Wherein the content of volcano soot impurity should be less than 2%, and organic content should be less than 0.1%.
First aluminosulfate cement, volcanic ash, metakaolin and the diatomite after pulverizing being added automatic mixing machine mixes in pot, stirs, obtains pre-composition.Then the short chopping glass fibre of 5 ~ 10 μm is broken up fluffy, and be mixed to get mix agent with polycarboxylate water-reducer.Mix agent is added in suitable quantity of water and obtains mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue low rate mixing 60 seconds, then high-speed stirring 30 seconds, both mix completed, and obtained rapid high intensity cement material.
Embodiment 2
Take aluminosulfate cement 400g, volcanic ash 400g, metakaolin 100g, diatomite 100g, polycarboxylate water-reducer 2g and short chopping glass fibre 2g.
Volcanic ash, metakaolin and diatomite being crushed to respectively particle diameter is 0.01 μm ~ 150 μm, preferably 0.1 μm ~ 50 μm.Wherein the content of volcano soot impurity should be less than 2%, and organic content should be less than 0.1%.
First aluminosulfate cement, volcanic ash, metakaolin and the diatomite after pulverizing being added automatic mixing machine mixes in pot, stirs, obtains pre-composition.Then the short chopping glass fibre of 5 ~ 10 μm is broken up fluffy, and be mixed to get mix agent with polycarboxylate water-reducer.Mix agent is added in 20g water and obtains mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue low rate mixing 60 seconds, then high-speed stirring 30 seconds, both mix completed, and obtained rapid high intensity cement material.
Embodiment 3
Take aluminosulfate cement 400g, volcanic ash 500g, metakaolin 50g, diatomite 50g, polycarboxylate water-reducer 3g, short chopping glass fibre 1g and calcium stearate 2g.
Volcanic ash, metakaolin and diatomite being crushed to respectively particle diameter is 0.01 μm ~ 150 μm, preferably 0.1 μm ~ 50 μm.Wherein the content of volcano soot impurity should be less than 2%, and organic content should be less than 0.1%.
First aluminosulfate cement, volcanic ash, metakaolin and the diatomite after pulverizing being added automatic mixing machine mixes in pot, stirs, obtains pre-composition.Then the short chopping glass fibre of 5 ~ 10 μm is broken up fluffy, and be mixed to get mix agent with polycarboxylate water-reducer, calcium stearate.Mix agent is added in suitable quantity of water and obtains mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue low rate mixing 60 seconds, then high-speed stirring 30 seconds, both mix completed, and obtained rapid high intensity cement material.
Embodiment 4
Take aluminosulfate cement 350g, volcanic ash 450g, metakaolin 100g, diatomite 100g, polycarboxylate water-reducer 3g, short chopping glass fibre 2g, calcium stearate 2g, terpolycyantoamino-formaldehyde resin 40g, resol 30g, sodium polyacrylate 5g.
Volcanic ash, metakaolin and diatomite being crushed to respectively particle diameter is 0.01 μm ~ 150 μm, preferably 0.1 μm ~ 50 μm.Wherein the content of volcano soot impurity should be less than 2%, and organic content should be less than 0.1%.
First aluminosulfate cement, volcanic ash, metakaolin and the diatomite after pulverizing being added automatic mixing machine mixes in pot, stirs, obtains pre-composition.Then the short chopping glass fibre of 5 ~ 10 μm is broken up fluffy, and be mixed to get mix agent with polycarboxylate water-reducer, calcium stearate, terpolycyantoamino-formaldehyde resin, resol and sodium polyacrylate.Mix agent is added in 60g and obtains mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue low rate mixing 60 seconds, then high-speed stirring 30 seconds, both mix completed, and obtained rapid high intensity cement material.
Embodiment 5
Take aluminosulfate cement 550g, volcanic ash 300g, metakaolin 100g, diatomite 50g, polycarboxylate water-reducer 3g, short chopping glass fibre 2g, calcium stearate 2g, terpolycyantoamino-formaldehyde resin 50g, resol 40g, sodium polyacrylate 10g.
Volcanic ash, metakaolin and diatomite being crushed to respectively particle diameter is 0.01 μm ~ 150 μm, preferably 0.1 μm ~ 50 μm.Wherein the content of volcano soot impurity should be less than 2%, and organic content should be less than 0.1%.
First aluminosulfate cement, volcanic ash, metakaolin and the diatomite after pulverizing being added automatic mixing machine mixes in pot, stirs, obtains pre-composition.Then the short chopping glass fibre of 5 ~ 10 μm is broken up fluffy, and be mixed to get mix agent with polycarboxylate water-reducer, calcium stearate, terpolycyantoamino-formaldehyde resin, resol and sodium polyacrylate.Mix agent is added in 100g and obtains mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue low rate mixing 60 seconds, then high-speed stirring 30 seconds, both mix completed, and obtained rapid high intensity cement material.
Embodiment 6
Take aluminosulfate cement 400g, volcanic ash 400g, metakaolin 100g, diatomite 100g, polycarboxylate water-reducer 2g, short chopping glass fibre 1g, calcium stearate 2g, terpolycyantoamino-formaldehyde resin 50g, resol 40g, sodium polyacrylate 7g.
Volcanic ash, metakaolin and diatomite being crushed to respectively particle diameter is 0.01 μm ~ 150 μm, preferably 0.1 μm ~ 50 μm.Wherein the content of volcano soot impurity should be less than 2%, and organic content should be less than 0.1%.
First aluminosulfate cement, volcanic ash, metakaolin and the diatomite after pulverizing being added automatic mixing machine mixes in pot, stirs, obtains pre-composition.Then the short chopping glass fibre of 5 ~ 10 μm is broken up fluffy, and be mixed to get mix agent with polycarboxylate water-reducer, calcium stearate, terpolycyantoamino-formaldehyde resin, resol and sodium polyacrylate.Mix agent is added in 100g and obtains mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue low rate mixing 60 seconds, then high-speed stirring 30 seconds, both mix completed, and obtained rapid high intensity cement material.
Carry out early strength test to embodiment 1-6 gained rapid high intensity cement material, result is as following table 1.
table 1
As can be seen from Table 1, it is short that cement material of the present invention has time of coagulation, after adding terpolycyantoamino-formaldehyde resin, resol and sodium polyacrylate in initial stage ultimate compression strength advantages of higher, particularly mix agent, the initial stage ultimate compression strength of cement material has had and has strengthened more significantly.
Claims (7)
1. a fast solidifying high strength cement material, is characterized in that, comprise aluminosulfate cement, volcanic ash, metakaolin, diatomite and mix agent, wherein aluminosulfate cement 35 ~ 55 parts, volcanic ash 30 ~ 50 parts, metakaolin 5 ~ 20 parts, 5 ~ 15 parts, diatomite, with parts by weight; Described mix agent comprises water reducer and fiber, is 100 parts in aluminosulfate cement, volcanic ash, metakaolin and diatomaceous weight summation, described water reducer accounting 0.1 ~ 0.3 part, fiber accounting 0.05 ~ 0.2 part.
2. one according to claim 1 solidifying high strength cement material soon, it is characterized in that, described water reducer is polycarboxylate water-reducer.
3. one according to claim 1 solidifying high strength cement material soon, is characterized in that: described fiber is short chopping glass fibre.
4. one according to claim 1 solidifying high strength cement material soon, it is characterized in that: described mix agent also comprises stablizer, described stablizer accounting is 0.05 ~ 0.2 part.
5. one according to claim 4 solidifying high strength cement material soon, is characterized in that: described stablizer is calcium stearate.
6. one according to claim 1 solidifying high strength cement material soon, it is characterized in that: described mix agent also comprises terpolycyantoamino-formaldehyde resin, resol and sodium polyacrylate, wherein terpolycyantoamino-formaldehyde resin accounting is 4 ~ 6 parts, resol accounting is 3 ~ 5 parts, sodium polyacrylate accounting is 0.5 ~ 1 part.
7. the preparation method of a kind of fast solidifying high strength cement material as claimed in claim 1, is characterized in that comprising the following steps:
(1) take each raw material by above-mentioned weight, aluminosulfate cement, volcanic ash, metakaolin and diatomite are added automatic mixing machine and mixes in pot, stir, obtain pre-composition;
(2) fabric thrashing is fluffy, and be mixed to get mix agent with water reducer;
(3) mix agent is added in suitable quantity of water obtain mixed solution, then mixed solution is added in pre-composition, first open low rate mixing and at the uniform velocity add mixed solution, after liquid to be mixed all adds, continue to stir for some time, obtain rapid high intensity cement material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107572854A (en) * | 2017-08-31 | 2018-01-12 | 湖北工业大学 | A kind of prefabricated components cement-based gelling material Xu puts type reinforcing agent |
| CN109437732A (en) * | 2018-11-07 | 2019-03-08 | 关军 | A kind of environmentally friendly high strength cement and its application method |
| CN109796174A (en) * | 2018-12-04 | 2019-05-24 | 中国地质调查局沈阳地质调查中心 | A kind of bastard coal ground mass baking-free type pavement brick and preparation method thereof |
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