CN105948549B - A kind of big water absorption rate aggregate surface inorganic agent - Google Patents
A kind of big water absorption rate aggregate surface inorganic agent Download PDFInfo
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- CN105948549B CN105948549B CN201610266879.3A CN201610266879A CN105948549B CN 105948549 B CN105948549 B CN 105948549B CN 201610266879 A CN201610266879 A CN 201610266879A CN 105948549 B CN105948549 B CN 105948549B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 81
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 44
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 23
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 21
- 239000010703 silicon Substances 0.000 claims abstract description 21
- 239000002956 ash Substances 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 239000010881 fly ash Substances 0.000 claims abstract description 18
- 229920005646 polycarboxylate Polymers 0.000 claims abstract description 16
- 229910000077 silane Inorganic materials 0.000 claims abstract description 16
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000007888 film coating Substances 0.000 claims 1
- 238000009501 film coating Methods 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 150000002681 magnesium compounds Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 21
- 239000002002 slurry Substances 0.000 abstract description 12
- 239000004568 cement Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000004574 high-performance concrete Substances 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000010998 test method Methods 0.000 description 7
- 239000011083 cement mortar Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011371 regular concrete Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 silicon-aluminum-magnesium Chemical compound 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1062—Metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The present invention relates to a kind of big water absorption rate aggregate surface inorganic agent, belong to technology of high performance concrete field, it is by silicon ash 10 30%, agstone 10 30%, superfined flyash 10 30%, silane 10 20%, polyvinyl alcohol 10 20%, waterproof alloyed powder 5 10%, polycarboxylate water-reducer 1 5% is constituted, and the percentage is percetage by weight.The big water absorption rate aggregate surface inorganic agent of the present invention, using simple, while big water absorption rate aggregate water absorption rate is reduced, the combination of cement slurry in aggregate and concrete is not influenceed, the performance of big water absorption rate aggregate concrete is improved, promotes the application of big water absorption rate aggregate.
Description
Technical field
The present invention relates to a kind of aggregate surface inorganic agent, more particularly to a kind of big water absorption rate aggregate surface inorganic agent belongs to
Technology of high performance concrete field.
Background technology
With the infrastructure constructions such as domestic building, water conservancy, traffic and the propulsion of national the Belt and Road strategy, as
Most large civil engineering material concrete amount whole world reaches 50 billion cubic meters, and aggregate account for the 70% of weight concrete with
On, aggregate consumption is increasing, and some places are had to using the larger aggregate of water absorption rate.
The water absorption rate increase of aggregate, the resistance to compression of concrete, rupture strength step-down, frost resistance, impermeability, deicer-scaling resistance,
Anti-carbonation properties are deteriorated, and aggregate water absorption rate is more than 1%, and the frost resistance of concrete, deicer-scaling resistance, anti-carbonation properties significantly drop
It is low.The concrete prepared using granite, when aggregate water absorption rate increases to 1.5% by 1.0%, concrete 28d compression strength
54.8MPa is down to by 60MPa；After 30 salt freeze circulation, concrete denudation is by 210g/m2Increase to 580g/m2；Coagulation
Native chloride diffusion coefficient is by 2.43 × 10-9cm2/ s increases to 3.24 × 10-9cm2/s.This, which is researched and analysed, thinks concrete antifreezing
Weak link it is main in aggregate and the boundary layer of hardening of cement slurry.The water absorption rate increase of aggregate so that boundary layer cement mortar
Aquation during body aquation is not enough, concrete is produced weak link on boundary layer, and causes destruction.
At present, mainly to have macromolecule surface film forming and cement mortar surface to wrap up in deposited for the processing method for big water absorption rate aggregate.
Macromolecule surface film forming is exactly to soak big water absorption rate aggregate using Polymer Solution so that aggregate surface one floor height molecule of formation is thin
Film, so as to reduce aggregate water absorption rate；It is exactly to wrap up in deposited one layer of cement mortar in big water absorption rate aggregate surface that cement mortar surface, which is wrapped up in deposited, is filled
The micro-pore of aggregate surface, reduces aggregate water absorption rate.Abovementioned technology in big water absorption rate aggregate actual process or
Some drawbacks of many or few presence, although aggregate water absorption rate can be greatly lowered in macromolecule surface film forming, after processing
The adhesion of aggregate and cement slurry in concrete can be reduced；It is smaller that aggregate water absorption rate reduction after deposited processing is wrapped up on cement mortar surface.
The content of the invention
The technical problems to be solved by the invention are to provide one kind while big water absorption rate aggregate water absorption rate is reduced, not shadow
The combination of cement slurry in aggregate and concrete is rung, the aggregate surface inorganic agent of the performance of big water absorption rate aggregate concrete is improved,
Promote the application of big water absorption rate aggregate.
In order to solve the above technical problems, the invention provides a kind of big water absorption rate aggregate surface inorganic agent, it is by silicon ash 10-
30%, agstone 10-30%, superfined flyash 10-30%, silane 10-20%, polyvinyl alcohol 10-20%, waterproof alloyed powder
5-10%, polycarboxylate water-reducer 1-5% are constituted, and the percentage is percetage by weight.
Term " silicon ash " used in the present invention is the silicon discharged by flue in smelting ferrosilicon or industrial silicon
After vapor-phase oxidation, the obtained product using amorphous silica as main component is collected through dust-precipitator.A kind of big suction of the invention
Water rate aggregate surface inorganic agent silicon ash is advisable with amorphous silica content more than 90%.
Term " agstone " used in the present invention is using the lime stone of certain purity as raw material, through grinding to regulation carefully
The pulverulent material of degree.A kind of big water absorption rate aggregate surface inorganic agent agstone of the present invention is more than 80% with calcium carbonate content
Preferably.
Term " superfined flyash " used in the present invention is sorting and grinding processing superfined flyash.It is of the invention a kind of big
Water absorption rate aggregate surface inorganic agent superfined flyash is more than 1000m with specific surface area2/ kg is advisable.
Term " silane " used in the present invention can be divided into monosilane and disilane again.A kind of big water absorption rate aggregate of the present invention
Surface conditioning agent is advisable with monosilane, is one of the main source that inorganic agent reduces aggregate water absorption rate in aggregate surface film forming.
Term " polyvinyl alcohol " used in the present invention is a kind of high-molecular organic material.A kind of big water absorption rate bone of the present invention
Material surface conditioning agent is advisable by 17-24 of polymerization scope, is that inorganic agent reduces the master of aggregate water absorption rate in aggregate surface film forming
One of originate.
Term " waterproof alloyed powder " used in the present invention is with silica, magnesia, aluminum oxide and silicon-aluminum-magnesium chemical combination
Thing is base-material, and compound flakiness superimposed layer is rolled through HTHP injection, and work is produced using nano-gas-phase deposition and splashing plated film
Skill, and the inorganic hydrophobic powder body material through grinding, are a kind of waterproof materials.A kind of big water absorption rate aggregate table of the present invention
Face inorganic agent reduces aggregate water absorption rate using the hydrophobic effect of waterproof alloyed powder.
Term " polycarboxylate water-reducer " used in the present invention is a kind of high-performance water reducing agent, is also a kind of powder in water
Dispersant with high efficiency.A kind of big water absorption rate aggregate surface inorganic agent of the present invention uses polycarboxylate water-reducer dispersion powder, is conducive to
The use of inorganic agent.
In some specific embodiments of the present invention, silicon ash of the present invention is more than for amorphous silica content
90% silicon ash；Its content is preferably 15-25%.
In some specific embodiments of the present invention, agstone of the present invention is that calcium carbonate content is more than 80%
Agstone；Its content is preferably 15-25%.
In some specific embodiments of the present invention, superfined flyash of the present invention is more than for specific surface area
1000m2/ kg superfined flyash；Its content is preferably 15-25%.
In some specific embodiments of the present invention, silane of the present invention is selected from monosilane or disilane；More preferably
Monosilane；Its content is preferably 13-17%.
In some specific embodiments of the present invention, polyvinyl alcohol of the present invention is that polymerization scope is 17-24's
Polyvinyl alcohol；Its content is preferably 12-16%.
In some specific embodiments of the present invention, waterproof alloyed powder content of the present invention is preferably 6-8%.
In some specific embodiments of the present invention, polycarboxylate water-reducer of the present invention is that water-reducing rate is more than 30%
Polycarboxylate water-reducer；Its content is preferably 2-3%.
A kind of big water absorption rate aggregate surface inorganic agent of the present invention is while big water absorption rate aggregate water absorption rate is reduced, no
The combination of cement slurry in aggregate and concrete is influenceed, the performance of big water absorption rate aggregate concrete is improved, promotes big water absorption rate bone
The application of material.
The present invention is described further below by embodiment.The present invention can be according to big water absorption rate aggregate
Actual water suction situation suitably adjusts formula, is operated according to the method described in following examples, makes and meet performance requirement
Big water absorption rate aggregate surface inorganic agent.
Embodiment
Primary raw material and equipment
Big water absorption rate aggregate：The dry water absorption rate of saturation plane is more than 3% commercially available prod.
Silicon ash：The CABR-GH that Jian Yan the Kunlun Co., Ltd sells, the content 93% of amorphous silica.
Agstone：Xing Zhou construction engineering corporation, Ltds production of bestowing favour is sold, calcium carbonate content 82%.
Superfined flyash：CABR-CFA, specific surface area 1200m that Jian Yan the Kunlun Co., Ltd sells2/kg。
Silane：The CABR-GW3 that Jian Yan the Kunlun Co., Ltd sells.
Polyvinyl alcohol：The CABR-PVA2 that Jian Yan the Kunlun Co., Ltd sells, the degree of polymerization 20.
Waterproof alloyed powder：Henan Ke Liao new high-tech materials Co., Ltd produces.
Polycarboxylate water-reducer：The KLS3 that Jian Yan the Kunlun Co., Ltd sells, water-reducing rate 35%.
The dry water absorption rate die trial of saturation plane：The product that Beijing sky auspicious sign commerce trading center sells.
Method of testing
According to《Regular concrete sand, stone quality and test method standard》(JGJ 52-2006) tests aggregate saturation plane
Dry water absorption rate.
According to《Standard for test methods of mechanical properties of ordinary concrete》After (GB/T 50081-2002) standard testing processing
The compression strength of aggregate concrete batching.
Blank example
By 1000g big water absorption rate aggregate without processing, directly use《Regular concrete sand, stone quality and inspection party
Method standard》Saturation plane does moisture content test method and tests the dry water absorption rate of its saturation plane in (JGJ 52-2006), is denoted as LBlank。
Comparative example 1
The big water absorption rate aggregates of 1000g are soaked with the solution of silane of 6% concentration, the aggregate after infiltration is taken out, spontaneously dries, survey
The dry water absorption rate of its saturation plane is tried, L is denoted asTo 1。
Comparative example 2
Deposited one layer of cement mortar is wrapped up in the big water absorption rate aggregate surfaces of 1000g, spontaneously dries, tests the dry water absorption rate of its saturation plane,
It is denoted as LTo 2。
Embodiment 1
By 20g silicon ash, 20g agstone, 20g superfined flyash, 15g silane, 15g polyvinyl alcohol, 5g
Waterproof alloyed powder, 2g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, the big water absorption rate aggregates of 1000g are infiltrated, the aggregate after infiltration is taken out, spontaneously dried, the dry suction of its saturation plane is tested
Water rate, is denoted as L1。
Embodiment 2
By 10g silicon ash, 30g agstone, 30g superfined flyash, 10g silane, 10g polyvinyl alcohol, 5g
Waterproof alloyed powder, 5g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, the big water absorption rate aggregates of 1000g are infiltrated, the aggregate after infiltration is taken out, spontaneously dried, the dry suction of its saturation plane is tested
Water rate, is denoted as L2。
Embodiment 3
By 29g silicon ash, 10g agstone, 10g superfined flyash, 10g silane, 20g polyvinyl alcohol, 10g
Waterproof alloyed powder, 1g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, the big water absorption rate aggregates of 1000g are infiltrated, the aggregate after infiltration is taken out and spontaneously dries, the dry suction of its saturation plane is tested
Water rate, is denoted as L3。
Embodiment 4
By 30g silicon ash, 30g agstone, 10g superfined flyash, 10g silane, 10g polyvinyl alcohol, 5g
Waterproof alloyed powder, 5g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, the big water absorption rate aggregates of 1000g are infiltrated, the aggregate after infiltration is taken out, spontaneously dried, the dry suction of its saturation plane is tested
Water rate, is denoted as L4。
Embodiment 5
By 25g silicon ash, 25g agstone, 15g superfined flyash, 13g silane, 12g polyvinyl alcohol, 8g
Waterproof alloyed powder, 2g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, the big water absorption rate aggregates of 1000g are infiltrated, the aggregate after infiltration is taken out, spontaneously dried, the dry suction of its saturation plane is tested
Water rate, is denoted as L5。
Embodiment 6
By 18g silicon ash, 15g agstone, 25g superfined flyash, 17g silane, 16g polyvinyl alcohol, 6g
Waterproof alloyed powder, 3g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, 1000g aggregates are infiltrated, the aggregate after infiltration is taken out and spontaneously dries, test the dry water absorption rate of its saturation plane, be denoted as
L6。
Embodiment 7
By 15g silicon ash, 25g agstone, 25g superfined flyash, 12g silane, 15g polyvinyl alcohol, 6g
Waterproof alloyed powder, 2g polycarboxylate water-reducer mixing, be made big water absorption rate aggregate surface inorganic agent, add 100g water, system
Into inorganic agent slurry, 1000g aggregates are infiltrated, the aggregate after infiltration is taken out and spontaneously dries, test the dry water absorption rate of its saturation plane, be denoted as
L7。
Pass through《Regular concrete sand, stone quality and test method standard》(JGJ 52-2006) aggregate saturation plane is dry to inhale
Water rate test method tests each dry water absorption rate of aggregate saturation plane, passes through《Standard for test methods of mechanical properties of ordinary concrete》(GB/
T 50081-2002) standard testing processing after aggregate concrete batching compression strength, respectively LBlank, LTo 1, LTo 2And L1-
L7, as shown in table 1：
The dry water absorption rate L of the saturation plane of table 1Blank, LTo 1, LTo 2And L1-L7Experimental data
It is of the invention compared with the processing method of common big water absorption rate aggregate at present, in proportioning by organic polymer into
Membrane material and inorganic superfine powder body phase are combined, and can both ensure the treatment effect of big water absorption rate aggregate, aggregate is greatly lowered
Water absorption rate, can guarantee that aggregate surface not because macromolecule filming causes the concrete performance prepared to decline again.
It should be noted last that, above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (9)
1. a kind of big water absorption rate aggregate surface inorganic agent, it is characterised in that：The surface conditioning agent is by silicon ash 10-30%, lime stone
Powder 10-30%, superfined flyash 10-30%, silane 10-20%, polyvinyl alcohol 10-20%, waterproof alloyed powder 5-10%, poly- carboxylic
Sour water reducer 1-5% compositions, the percentage is percetage by weight；The waterproof alloyed powder is with silica, magnesia, oxygen
It is base-material to change aluminium and sial magnesium compound, rolls compound flakiness superimposed layer through HTHP injection, is deposited using nano-gas-phase
With splashing film coating manufacturing process, and the inorganic hydrophobic powder body material through grinding.
2. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：Amorphous dioxy in the silicon ash
The content of SiClx is more than 90%, and the content of the silicon ash is 15-25%.
3. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：The silicon ash is closed for smelting duriron
The superfine powder collected when gold or industrial silicon.
4. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：Calcium carbonate in the agstone
Content be more than 80%, the content of the agstone is 15-25%.
5. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：The superfined flyash be without
Grinding processing, the superfined flyash directly burnt till, specific surface area are more than 1000m2/ kg, its content is 15-25%.
6. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：The silane is monosilane or second
Silane, its content is 13-17%.
7. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：The degree of polymerization of the polyvinyl alcohol
Scope is 17-24, and its content is 12-16%.
8. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：The content of the waterproof alloyed powder
For 6-8%.
9. big water absorption rate aggregate surface inorganic agent as claimed in claim 1, it is characterised in that：The polycarboxylate water-reducer is to subtract
Water rate is more than 30% polycarboxylate water-reducer, and its content is 2-3%.
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| CN108821625A (en) * | 2018-06-07 | 2018-11-16 | 东南大学 | A kind of method of modifying of construction refuse regenerated fine aggregate |
| CN111847944B (en) * | 2020-07-23 | 2021-11-26 | 中国建筑科学研究院有限公司 | Ferrochromium slag for concrete aggregate and preparation method thereof |
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