CN106365556A - Anti-permeability anti-corrosion concrete - Google Patents
Anti-permeability anti-corrosion concrete Download PDFInfo
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- CN106365556A CN106365556A CN201610750009.3A CN201610750009A CN106365556A CN 106365556 A CN106365556 A CN 106365556A CN 201610750009 A CN201610750009 A CN 201610750009A CN 106365556 A CN106365556 A CN 106365556A
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- 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
- C04B28/04—Portland cements
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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Abstract
The invention discloses anti-permeability anti-corrosion concrete. The anti-permeability anti-corrosion concrete is prepared from the following components: silicate cement, coarse sand, medium-coarse sand, broken stone, water, steel slag, siliceous iron tailing powder, plaster, high calcium ash, ganister sand, vitrified microspheres, polycarboxylic water reducer, sodium molybdate, sodium nitrite, stannous chloride, ultrafine natural zeolite powder, hybrid fibres, an air entraining agent, urea and triethanolamine. According to the anti-permeability anti-corrosion concrete disclosed by the invention, the components are reasonable and act synergistically; the anti-permeability anti-corrosion concrete has high strength and high durability, such as freezing resistance, permeability resistance and corrosion resistance, and also has the advantage of preventing noise.
Description
Technical field
The present invention relates to technical field of concrete, more particularly, to a kind of impervious corrosion resistance concrete.
Background technology
Concrete is the maximum construction material of current consumption, and high performance concrete represents the development side of concrete technology
To.Wall column is the important component part in architectural engineering, and it carries the stress of whole building engineering, and it is as whole building work
The agent structure of journey, prescription is very high.Concrete be wall construction during one of main construction material, concrete material
The quality of material produces serious influence to the construction quality of wall column, and has influence on the service life of engineering and use function.Mesh
Before, its impermeability of concrete need to be improved with corrosion resistance.
Content of the invention
The technical problem being existed based on background technology, the present invention proposes a kind of impervious corrosion resistance concrete, its component
Rationally, act on and working in coordination with, there is intensity height, frost resistance, the impervious and good contour endurance quality of corrosion resistance, also there is its anti-noise etc.
Advantage.
A kind of impervious corrosion resistance concrete proposed by the present invention, its raw material of described concrete is included by weight with the following group
Point: portland cement 310-375 part, coarse sand 400-490 part, medium coarse sand 185-285 part, rubble 980-1150 part, water 125-175
Part, slag 30-40 part, siliceous iron tailings powder 25-40 part, Gypsum Fibrosum 18-25 part, high calcium ash 12-20 part, silica flour 25-50 part, vitreous
Microballon 30-50 part, poly carboxylic acid series water reducer 1.1-1.75 part, sodium molybdate 0.85-1.2 part, sodium nitrite 1.1-1.5 part, chlorination
Stannous 0.7-0.95 part, natural zeolite micropowder 15-30 part, composite fibre 1.82-2.35 part, air entraining agent 0.95-1.4 part, urine
Plain 0.8-1.15 part, triethanolamine 0.7-1.2 part.
Preferably, its raw material of described concrete includes following components: portland cement 345-360 part, coarse sand by weight
440-460 part, medium coarse sand 240-265 part, rubble 1040-1100 part, water 145-160 part, slag 35-37 part, siliceous iron tailings
Powder 34-37 part, Gypsum Fibrosum 20-22 part, high calcium ash 15-16 part, silica flour 38-42 part, glass bead 38-44 part, polycarboxylic-acid diminishing
Agent 1.3-1.55 part, sodium molybdate 1-1.1 part, sodium nitrite 1.3-1.4 part, stannous chloride 0.8-0.9 part, natural zeolite micropowder
22-24 part, composite fibre 2.1-2.2 part, air entraining agent 1-1.15 part, carbamide 0.95-1.05 part, triethanolamine 0.9-1.1 part.
Preferably, its raw material of described concrete includes following components: 355 parts of portland cement, coarse sand 450 by weight
Part, 255 parts of medium coarse sand, 1065 parts of rubble, 155 parts of water, 36.5 parts of slag, 35.6 parts of siliceous iron tailings powder, 21.2 parts of Gypsum Fibrosum, height
15.6 parts of calcium ash, 40.2 parts of silica flour, 40 parts of glass bead, 1.42 parts of poly carboxylic acid series water reducer, 1.05 parts of sodium molybdate, sodium nitrite
1.36 parts, 0.84 part of stannous chloride, 23.4 parts of natural zeolite micropowder, 2.15 parts of composite fibre, 1.1 parts of air entraining agent, carbamide
0.99 part, 0.98 part of triethanolamine.
Preferably, in described silica flour, the content of silicon dioxide is 94-96%.
Preferably, described composite fibre is by bamboo fibre, carbon fiber, steel fibre, polyester fiber, vinal by weight
Form than for 1.5-2:3-5:2-3.5:1-1.5:1-2.
Preferably, described air entraining agent is contracted by abietate, magnesium oxide powder, sodium alkyl benzene sulfonate, alkyl phenol and oxirane
Compound is obtained by weight for 2-3:2.5-4:1-1.5:1 mix homogeneously.
Preferably, described rubble by particle diameter be 1-5mm rubble, 5-16mm rubble, 16-25mm rubble be by weight 1-3:
85-92:5-8 forms.
Preferably, the specific surface area of described slag is 3700-5000cm2/g.
Preferably, described poly carboxylic acid series water reducer is prepared according to following technique: will be by weight by 25-40 part methoxy
Base polyethylene glycol methacrylate-styrene polymer, 7-12 part methyl methacrylate, 12-18 part 1,4- butylene glycol, 8-12 part methyl-prop
Alkene sodium sulfonate, 1.14-1.28 part sodium peroxydisulfate, 1.16-1.39 part Ammonium persulfate., 50-70 part deionized water add reaction unit,
It is sufficiently stirred under nitrogen protection, after being warming up to 50-65 DEG C, react 14-20h, wherein heating rate is 1-3 DEG C/min；Again to
Add sodium hydroxide solution to adjust ph value between 7-8 in reaction unit, be cooled to room temperature, obtain described polycarboxylic-acid diminishing
Agent.
Preferably, described sodium peroxydisulfate, Ammonium persulfate. are respectively in the form of sodium persulfate aqueous solution, ammonium persulfate aqueous solution
It is added drop-wise in reaction unit, time for adding is 30-60min；Wherein, the mass fraction of sodium persulfate aqueous solution is 85-95%, mistake
The mass fraction of ammonium sulfate solution is 75-85%.
Coarse sand, medium coarse sand, slag, composite fibre, glass bead, natural zeolite micropowder, siliceous ferrum is added in the present invention
Mine tailing, silica flour, using the difference in each group gradation footpath, realize being sufficient filling with concrete material, reduce each component particles
Between space, improve pore structure, make concrete more closely knit, significantly improve the impermeability of concrete, corrosion resistance and strong
Degree, wherein glass bead has good physical and chemical performance, and ageing-resistant weatherability is strong, has excellent thermal insulation, fire prevention, sound absorption properties
Energy, and improve pumpability and the mobility of concrete, glass bead, natural zeolite micropowder, siliceous iron tailings powder, silica flour
Mating reaction, reduces concrete shrinkage, improves service behaviour and the durability of concrete；High calcium ash is added to coordinate with Gypsum Fibrosum,
There is good dilatancy, reduce the slump, increase the early strength of concrete, with siliceous iron tailings powder, sodium molybdate, nitrous acid
Sodium, stannous chloride, triethanolamine use cooperatively, and effectively slow down or stop the erosion to concrete for the chemical substance, wherein siliceous ferrum
Mine tailing increases the later strength of concrete with slag mating reaction.Performance is steady after modified for the poly carboxylic acid series water reducer adding
Determine it is easy to storage, it is adaptable to the production of ready-mixed concrete needs, with air entraining agent compound use, increased amount of air entrainment, effectively improves
Water-reducing rate, reduces the ratio of mud, admixes in concrete, produces minute bubbles small and independent in a large number, improves pore structure simultaneously, improves
The mobility of concrete, pumpability, water-retaining property and the slump, are used cooperatively with carbamide, triethanolamine, reduce concrete
Freezing point, improves the frost resistance of concrete, reduces the ratio of mud and bleeding sedimentation is shunk, and reduce the big pore in system
Number, decreases Free water and the passage of other media migration simultaneously, and the microbubble of introducing occupies certain free space, subtracts
The little connectedness of system void network, improves the impermeability of concrete；The addition of composite fibre, decreases and draws because of addition
The reduction of the concrete strength that gas agent, poly carboxylic acid series water reducer cause, improves the comprcssive strength of concrete, impact strength and anti-
Folding intensity, and improve the early strength of concrete, prevent the early-age crack of concrete, simultaneously with siliceous iron tailings simultaneously
Powder, Gypsum Fibrosum, high calcium ash, silica flour, glass bead, natural zeolite micropowder, poly carboxylic acid series water reducer, air entraining agent mating reaction, cut
Capillary passage in disconnected concrete, and then reduce the effect of capillary tube, improve the impermeability of concrete, and then improve concrete
Corrosion resistance.Rationally, effect is collaborative for impervious corrosion resistance concrete component that the present invention obtains, have intensity height, frost resistance,
Impermeability and the good contour endurance quality of corrosion resistance, also have the advantages that its anti-noise.
Specific embodiment
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of impervious corrosion resistance concrete proposed by the present invention, its raw material of described concrete is included by weight with the following group
Point: 310 parts of portland cement, 400 parts of coarse sand, 185 parts of medium coarse sand, 980 parts of rubble, 125 parts of water, 30 parts of slag, siliceous ferrum tail
40 parts of breeze, 18 parts of Gypsum Fibrosum, 20 parts of high calcium ash, 25 parts of silica flour, 50 parts of glass bead, 1.75 parts of poly carboxylic acid series water reducer, molybdic acid
0.85 part of sodium, 1.5 parts of sodium nitrite, 0.7 part of stannous chloride, 30 parts of natural zeolite micropowder, 1.82 parts of composite fibre, air entraining agent
0.95 part, 0.8 part of carbamide, 1.2 parts of triethanolamine.
Embodiment 2
A kind of impervious corrosion resistance concrete proposed by the present invention, its raw material of described concrete is included by weight with the following group
Point: 325 parts of portland cement, 430 parts of coarse sand, 200 parts of medium coarse sand, 1030 parts of rubble, 135 parts of water, 32.5 parts of slag, siliceous ferrum
30 parts of mine tailing, 22.6 parts of Gypsum Fibrosum, 13.8 parts of high calcium ash, 42.6 parts of silica flour, 36.2 parts of glass bead, poly carboxylic acid series water reducer
1.65 parts, 0.96 part of sodium molybdate, 1.25 parts of sodium nitrite, 0.86 part of stannous chloride, 18.5 parts of natural zeolite micropowder, mixing fine
2.08 parts of dimension, 1.12 parts of air entraining agent, 0.94 part of carbamide, 0.85 part of triethanolamine.
Embodiment 3
A kind of impervious corrosion resistance concrete proposed by the present invention, its raw material of described concrete is included by weight with the following group
Point: 355 parts of portland cement, 450 parts of coarse sand, 255 parts of medium coarse sand, 1065 parts of rubble, 155 parts of water, 36.5 parts of slag, siliceous ferrum
35.6 parts of mine tailing, 21.2 parts of Gypsum Fibrosum, 15.6 parts of high calcium ash, 40.2 parts of silica flour, 40 parts of glass bead, poly carboxylic acid series water reducer
1.42 parts, 1.05 parts of sodium molybdate, 1.36 parts of sodium nitrite, 0.84 part of stannous chloride, 23.4 parts of natural zeolite micropowder, mixing fine
2.15 parts of dimension, 1.1 parts of air entraining agent, 0.99 part of carbamide, 0.98 part of triethanolamine.
Wherein, in described silica flour, the content of silicon dioxide is 95%；
Described composite fibre by bamboo fibre, carbon fiber, steel fibre, polyester fiber, vinal is by weight
1.5:3:2:1:1 composition；
Described air entraining agent presses weight by abietate, magnesium oxide powder, sodium alkyl benzene sulfonate, condensation compound of alkyl phenol and epoxy ethane
Amount is obtained than for 2:2.5:1:1 mix homogeneously；
Described rubble by particle diameter be 1-5mm rubble, 5-16mm rubble, 16-25mm rubble form by weight 1:92:8；
The specific surface area of described slag is 4500cm2/g；
Described poly carboxylic acid series water reducer is prepared according to following technique: by weight by 34 parts of methoxy poly (ethylene glycol) first
Base acrylate, 10 parts of methyl methacrylates, 15 parts of 1,4- butylene glycols, 10.6 parts of methylpropene sodium sulfonates, 1.21 parts of mistakes
Sodium sulfate, 1.25 parts of Ammonium persulfate .s, 60-65 part deionized waters add reaction unit, are sufficiently stirred under nitrogen protection, are warming up to
After 60 DEG C, react 17.5h, wherein heating rate is 2.5 DEG C/min；Sodium hydroxide solution is added to adjust ph again in reaction unit
It is worth for 7.5, be cooled to room temperature, obtain described poly carboxylic acid series water reducer.
Described sodium peroxydisulfate, Ammonium persulfate. are added drop-wise to respectively in the form of sodium persulfate aqueous solution, ammonium persulfate aqueous solution
In reaction unit, time for adding is 45min；Wherein, the mass fraction of sodium persulfate aqueous solution is 90%, ammonium persulfate aqueous solution
Mass fraction be 80%.
Embodiment 4
A kind of impervious corrosion resistance concrete proposed by the present invention, its raw material of described concrete is included by weight with the following group
Point: 375 parts of portland cement, 490 parts of coarse sand, 285 parts of medium coarse sand, 1150 parts of rubble, 175 parts of water, 40 parts of slag, siliceous ferrum tail
25 parts of breeze, 25 parts of Gypsum Fibrosum, 12 parts of high calcium ash, 50 parts of silica flour, 30 parts of glass bead, 1.1 parts of poly carboxylic acid series water reducer, sodium molybdate
1.2 parts, 1.1 parts of sodium nitrite, 0.95 part of stannous chloride, 15 parts of natural zeolite micropowder, 2.35 parts of composite fibre, air entraining agent
1.4 part, 1.15 parts of carbamide, 0.7 part of triethanolamine.
Wherein, in described silica flour, the content of silicon dioxide is 94%；
Described composite fibre is by bamboo fibre, carbon fiber, steel fibre, polyester fiber, vinal by weight for 2:
5:3.5:1.5:2 composition；
Described air entraining agent presses weight by abietate, magnesium oxide powder, sodium alkyl benzene sulfonate, condensation compound of alkyl phenol and epoxy ethane
Amount is obtained than for 3:4:1.5:1 mix homogeneously；
Preferably, described rubble by particle diameter be 1-5mm rubble, 5-16mm rubble, 16-25mm rubble be by weight 3:85:5
Composition；
The specific surface area of described slag is 3700cm2/g；
Described poly carboxylic acid series water reducer is prepared according to following technique: by weight by 25 parts of methoxy poly (ethylene glycol) first
Base acrylate, 7 parts of methyl methacrylates, 12 parts of 1,4- butylene glycols, 8 parts of methylpropene sodium sulfonates, 1.14 parts of persulfuric acid
Sodium, 1.16 parts of Ammonium persulfate .s, 50 parts of deionized waters add reaction unit, are sufficiently stirred under nitrogen protection, after being warming up to 50 DEG C,
Reaction 20h, wherein heating rate are 1 DEG C/min；Adding sodium hydroxide solution to adjust ph value again in reaction unit is 7, cooling
To room temperature, obtain described poly carboxylic acid series water reducer.
Described sodium peroxydisulfate, Ammonium persulfate. are added drop-wise to respectively in the form of sodium persulfate aqueous solution, ammonium persulfate aqueous solution
In reaction unit, time for adding is 30min；Wherein, the mass fraction of sodium persulfate aqueous solution is 95%, ammonium persulfate aqueous solution
Mass fraction be 85%.
Embodiment 5
A kind of impervious corrosion resistance concrete proposed by the present invention, its raw material of described concrete is included by weight with the following group
Point: 360 parts of portland cement, 465 parts of coarse sand, 260 parts of medium coarse sand, 1100 parts of rubble, 164 parts of water, 37.5 parts of slag, siliceous ferrum
28 parts of mine tailing, 20.5 parts of Gypsum Fibrosum, 17.6 parts of high calcium ash, 31.2 parts of silica flour, 43.6 parts of glass bead, poly carboxylic acid series water reducer
1.26 parts, 1.11 parts of sodium molybdate, 1.36 parts of sodium nitrite, 0.76 part of stannous chloride, 26.5 parts of natural zeolite micropowder, mixing fine
2.16 parts of dimension, 1.28 parts of air entraining agent, 1.08 parts of carbamide, 1.06 parts of triethanolamine.
Wherein, in described silica flour, the content of silicon dioxide is 96%；
Preferably, described composite fibre is by bamboo fibre, carbon fiber, steel fibre, polyester fiber, vinal by weight
Form than for 1.8:4:3:1.2:1.5；
Preferably, described air entraining agent is contracted by abietate, magnesium oxide powder, sodium alkyl benzene sulfonate, alkyl phenol and oxirane
Compound is obtained by weight for 2.5:3:1.3:1 mix homogeneously；
Preferably, described rubble by particle diameter be 1-5mm rubble, 5-16mm rubble, 16-25mm rubble be by weight 2:88:
6.6 composition；
Preferably, the specific surface area of described slag is 5000cm2/g；
Preferably, described poly carboxylic acid series water reducer is prepared according to following technique: gathers 40 parts of methoxyl groups by weight
Glycolmethacrylate, 12 parts of methyl methacrylates, 18 parts of 1,4- butylene glycols, 12 parts of methylpropene sodium sulfonates,
1.28 parts of sodium peroxydisulfates, 1.39 parts of Ammonium persulfate .s, 70 parts of deionized waters add reaction unit, are sufficiently stirred under nitrogen protection,
After being warming up to 65 DEG C, react 14h, wherein heating rate is 3 DEG C/min；Sodium hydroxide solution is added to adjust again in reaction unit
Ph value is 8, is cooled to room temperature, obtains described poly carboxylic acid series water reducer.
Described sodium peroxydisulfate, Ammonium persulfate. are added drop-wise to respectively in the form of sodium persulfate aqueous solution, ammonium persulfate aqueous solution
In reaction unit, time for adding is 60min；Wherein, the mass fraction of sodium persulfate aqueous solution is 85%, ammonium persulfate aqueous solution
Mass fraction be 75%.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of impervious corrosion resistance concrete is it is characterised in that its raw material of described concrete includes following components by weight:
Portland cement 310-375 part, coarse sand 400-490 part, medium coarse sand 185-285 part, rubble 980-1150 part, water 125-175 part,
Slag 30-40 part, siliceous iron tailings powder 25-40 part, Gypsum Fibrosum 18-25 part, high calcium ash 12-20 part, silica flour 25-50 part, vitreous are micro-
Pearl 30-50 part, poly carboxylic acid series water reducer 1.1-1.75 part, sodium molybdate 0.85-1.2 part, sodium nitrite 1.1-1.5 part, protochloride
Stannum 0.7-0.95 part, natural zeolite micropowder 15-30 part, composite fibre 1.82-2.35 part, air entraining agent 0.95-1.4 part, carbamide
0.8-1.15 part, triethanolamine 0.7-1.2 part.
2. according to claim 1 impervious corrosion resistance concrete it is characterised in that its raw material of described concrete by weight
Including following components: portland cement 345-360 part, coarse sand 440-460 part, medium coarse sand 240-265 part, rubble 1040-1100
Part, water 145-160 part, slag 35-37 part, siliceous iron tailings powder 34-37 part, Gypsum Fibrosum 20-22 part, high calcium ash 15-16 part, silica flour
38-42 part, glass bead 38-44 part, poly carboxylic acid series water reducer 1.3-1.55 part, sodium molybdate 1-1.1 part, sodium nitrite 1.3-
1.4 parts, stannous chloride 0.8-0.9 part, natural zeolite micropowder 22-24 part, composite fibre 2.1-2.2 part, air entraining agent 1-1.15
Part, carbamide 0.95-1.05 part, triethanolamine 0.9-1.1 part.
3. according to claim 2 impervious corrosion resistance concrete it is characterised in that its raw material of described concrete by weight
Including following components: 355 parts of portland cement, 450 parts of coarse sand, 255 parts of medium coarse sand, 1065 parts of rubble, 155 parts of water, slag
36.5 parts, 35.6 parts of siliceous iron tailings powder, 21.2 parts of Gypsum Fibrosum, 15.6 parts of high calcium ash, 40.2 parts of silica flour, 40 parts of glass bead, poly-
1.42 parts of carboxylic acid water reducing agent, 1.05 parts of sodium molybdate, 1.36 parts of sodium nitrite, 0.84 part of stannous chloride, natural zeolite micropowder
23.4 parts, 2.15 parts of composite fibre, 1.1 parts of air entraining agent, 0.99 part of carbamide, 0.98 part of triethanolamine.
4. according to any one of claim 1-3 impervious corrosion resistance concrete it is characterised in that dioxy in described silica flour
The content of SiClx is 95-97wt%.
5. according to any one of claim 1-3 impervious corrosion resistance concrete it is characterised in that described composite fibre by
Bamboo fibre, carbon fiber, steel fibre, polyester fiber, vinal are by weight for 1.5-2:3-5:2-3.5:1-1.5:1-2
Composition.
6. according to any one of claim 1-3 impervious corrosion resistance concrete it is characterised in that described air entraining agent is by pine
Fragrant salt, magnesium oxide powder, sodium alkyl benzene sulfonate, condensation compound of alkyl phenol and epoxy ethane are by weight for 2-3:2.5-4:1-1.5:
1 mix homogeneously is obtained.
7. according to any one of claim 1-3 impervious corrosion resistance concrete it is characterised in that described rubble is by particle diameter
Form by weight 1-3:85-92:5-8 for 1-5mm rubble, 5-16mm rubble, 16-25mm rubble.
8. according to any one of claim 1-3 impervious corrosion resistance concrete it is characterised in that the ratio table of described slag
Area is 3700-5000cm2/g.
9. according to any one of claim 1-3 impervious corrosion resistance concrete it is characterised in that described polycarboxylic-acid subtracts
Water preparation is prepared according to following technique: by weight by 25-40 part methoxy polyethylene glycol methacrylate-styrene polymer, 7-12 part first
Base acrylic acid methyl ester., 12-18 part 1,4- butylene glycol, 8-12 part methylpropene sodium sulfonate, 1.14-1.28 part sodium peroxydisulfate,
1.16-1.39 part Ammonium persulfate., 50-70 part deionized water add reaction unit, are sufficiently stirred under nitrogen protection, are warming up to
After 50-65 DEG C, react 14-20h, wherein heating rate is 1-3 DEG C/min；Sodium hydroxide solution is added to adjust again in reaction unit
Section ph value, between 7-8, is cooled to room temperature, obtains described poly carboxylic acid series water reducer.
10. according to claim 9 impervious corrosion resistance concrete it is characterised in that described sodium peroxydisulfate, Ammonium persulfate. divide
It is not added drop-wise in reaction unit in the form of sodium persulfate aqueous solution, ammonium persulfate aqueous solution, time for adding is 30-60min；Its
In, the mass fraction of sodium persulfate aqueous solution is 85-95%, and the mass fraction of ammonium persulfate aqueous solution is 75-85%.
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| CN113337922A (en) * | 2021-07-03 | 2021-09-03 | 江苏狮腾工程材料有限公司 | Engineering polyester fiber with good impermeability and preparation process thereof |
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| CN108503299A (en) * | 2017-02-28 | 2018-09-07 | 北京城泰混凝土制品有限公司 | Strong intensity steel fiber reinforced concrete |
| CN106892599A (en) * | 2017-03-07 | 2017-06-27 | 河南城建学院 | A kind of preparation method of fiber concrete, the New Buffering hard shoulder using it and New Buffering hard shoulder |
| CN106892599B (en) * | 2017-03-07 | 2019-07-05 | 河南城建学院 | A kind of fiber concrete, using its buffering hard shoulder and buffer the preparation method of hard shoulder |
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| CN108558325A (en) * | 2018-06-29 | 2018-09-21 | 合肥信亚达智能科技有限公司 | A kind of amendatory concrete of anti-permeability performance and preparation method thereof |
| CN108947407A (en) * | 2018-08-30 | 2018-12-07 | 蚌埠市方阵商品混凝土有限公司 | A kind of cracking resistance frost-resistant concrete |
| CN109020413A (en) * | 2018-10-12 | 2018-12-18 | 蚌埠市方阵商品混凝土有限公司 | A kind of high intensity frost-resistant concrete |
| CN110004839A (en) * | 2019-04-18 | 2019-07-12 | 联建建设工程有限公司 | Large span front fulcrum dragging suspension basket installation method |
| CN110144783A (en) * | 2019-04-26 | 2019-08-20 | 福建省昊立建设工程有限公司 | A kind of roadbed construction method |
| CN110144783B (en) * | 2019-04-26 | 2020-04-28 | 福建省昊立建设工程有限公司 | Roadbed construction method |
| CN110387878A (en) * | 2019-08-02 | 2019-10-29 | 绍兴市上虞舜江管桩有限公司 | A kind of anti-corrosion mixed mud precast square pile preparation process of internal layer impermeabilisation |
| CN110387878B (en) * | 2019-08-02 | 2021-07-13 | 绍兴市上虞舜江管桩有限公司 | Preparation process of inner-layer permeation-resistant corrosion-resistant concrete prefabricated square pile |
| CN112625654A (en) * | 2020-12-31 | 2021-04-09 | 宁夏北极星化工有限公司 | Coal railway transportation antifreezing solution containing reinforcing agent and reinforcing agent |
| CN113387652A (en) * | 2021-06-30 | 2021-09-14 | 西安建祥建材科技有限公司 | Anti-cracking anti-seepage self-repairing C35 mass concrete |
| CN113337922A (en) * | 2021-07-03 | 2021-09-03 | 江苏狮腾工程材料有限公司 | Engineering polyester fiber with good impermeability and preparation process thereof |
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