CN108623251A - A kind of ultra-high performance concrete and preparation method thereof for abyssal environment - Google Patents
A kind of ultra-high performance concrete and preparation method thereof for abyssal environment Download PDFInfo
- Publication number
- CN108623251A CN108623251A CN201810365328.1A CN201810365328A CN108623251A CN 108623251 A CN108623251 A CN 108623251A CN 201810365328 A CN201810365328 A CN 201810365328A CN 108623251 A CN108623251 A CN 108623251A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- ultra
- high performance
- performance concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
-
- 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
- C04B2111/24—Sea water resistance
-
- 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
-
- 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
- C04B2111/74—Underwater applications
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Main group of the ultra-high performance concrete and preparation method thereof that the invention discloses a kind of for abyssal environment, the ultra-high performance concrete becomes：573 596 parts of Portland cement, 286 298 parts of fine heavy pearl, 95 100 parts of silicon ash, 1,050 1093 parts of river sand, 28 30 parts of swelling agent, 190 200 parts of steel fibre, 18 20 parts of water-reducing agent, 155 195 parts of water.Gained ultra-high performance concrete of the invention can play excellent mechanical property and durability under Deep-sea high voltage, low temperature and erosion environment condition, safe military service longer life expectancy more safe and reliable compared to normal concrete.
Description
Technical field
The invention belongs to building material fields, and in particular to a kind of ultra-high performance concrete and its system for abyssal environment
Preparation Method.
Background technology
With the fast development of national economy and greatly developing for national defense construction, conventional concrete is difficult to meet the need of development
It asks.Therefore, by design of material and structure optimization, the mechanical property with improvement concrete is promoted, extends concrete structure and is on active service
Service life is the important problem of urgent need to resolve.Conventional concrete experienced long-run development, this is novel for ultra-high performance concrete now
Construction material is building material industry latest development trend, ultra-high performance concrete, typically refer to compression strength more than 150MPa,
Tensile strength is more than " the super concrete " of 7MPa.
Under marine environment, the destructive factor of building structure mainly have steel bar corrosion effect, carbonization, corrosion,
Salt corrosion effect, Frozen-thawed cycled effect, alkali, soda acid corrosion function, impact wear and mechanical damage effect etc..Its
In, in deep ocean work, concrete is main can be by the impact wear and mechanical damage mechanical function and seawater of seawater
Soda acid corrodes endurance issues.
Therefore, to the performance requirement of concrete material height, including high intensity, high-durability and height under the harsh environment of deep-sea
Volume stability, however traditional concrete technology can not adapt to the requirement of modern marine engineering, there is an urgent need to study with
Development it is new with excellent waterproof, impervious durability, excellent pressure-proof and snap-resistent intensity mechanical property very-high performance deep-sea
Engineering concrete.
Invention content
Goal of the invention：It is mixed that in order to solve the above technical problem, the present invention provides a kind of very-high performances for abyssal environment
Solidifying soil and preparation method thereof.
Technical solution：To achieve the goals above, the invention discloses a kind of very-high performance coagulations for abyssal environment
Soil is mainly made of the raw material of following weight ratio：
573-596 parts of Portland cement
Fine 286-298 parts of heavy pearl
95-100 parts of silicon ash
1050-1093 parts of river sand
28-30 parts of swelling agent
190-200 parts of steel fibre
18-20 parts of water-reducing agent
155-195 parts of water
The Portland cement is PII52.5 grades of Portland cements, compatible with poly carboxylic acid series water reducer
Property is preferable.
The fine heavy pearl is in global shape, continuous ionic exchange, ultra-fine, solid, wherein SiO2Content is 51%-
53%, Al2O3Content is 21-23%, Fe2O3Content is 3-5%, CaO content 11-13%.
SiO in the silicon ash2Content is more than or equal to 95%, and pozzolanic activity index is more than 95%, and specific surface area is not small
In 15000m2/kg。
The river sand is common river sand, fineness modulus 2.5, grain size 0-5mm, density 2.55-2.70g/
cm3, water absorption rate 0.6-0.8%.
The swelling agent is calcareous swelling agent, and pale yellow powder, specific surface area, which is more than, is equal to 200m2/ Kg, 1.18mm are sieved
Tail over and be less than or equal to 0.5%, 7d is more than or equal to 0.06% in limited expansion rate water, in water 7d turn 21d in air be more than or equal to-
0.01%.
The steel fibre is microfilament steel fibre, and microfilament steel fibre diameter is more than or equal to 0.2mm, and length is more than or equal to
13mm, draw ratio 64-66, tensile strength are more than or equal to 3000MPa.
The water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid, and appearance is in colourless to light yellow, density 1.05-1.15g/
Ml, solid content are more than or equal to 40% (mass content), and pH value is 4 ± 2, and water-reducing rate is more than or equal to 33.9%.
The water is tap water or drinking water, is met《Concrete water standard》(JGJ63-2006) requirement.
The preparation method of the ultra-high performance concrete material for abyssal environment, includes the following steps：
(1) Portland cement, fine heavy pearl, silicon ash, swelling agent mixing are taken, mixing gelling material is uniformly mixing to obtain
Material；
(2) river sand is added in above-mentioned mixing cementitious material, obtains equal refining；
(3) aqueous solvent that water-reducing agent is stirred evenly with water is added into above-mentioned uniform material, be uniformly mixed slurry；
(4) steel fibre is added into above-mentioned mixture slurry, it is die-filling after mixing, national standard blanks and moulding and conserving is finally pressed,
It can be obtained the green Cement-base material with ultra-high performance.
Mixed raw material is added in standard water earth rubber sand planetary mixer in step (1), high-speed stirred gear is selected, when mixing
Between be 90-150S；
Common river sand is added in mixing cementitious material in step (2), selects high-speed stirred gear, incorporation time 60-
90S；
Water-reducing agent and water are added in mixture after mixing in advance in step (3), select high-speed stirred gear, when stirring
Between be 140-200S；
After steel fibre is added in step (4), high-speed stirred gear, incorporation time 90-150S are selected；
The present invention is used for the ultra-high performance concrete of abyssal environment, and each former material has been fully considered in formula for raw stock design
Expect the particle diameter distribution of component, and traditional flyash is substituted, selects the preferably fine heavy pearl of property indices, with
Common river sand collocation using effect more preferably, substantially increases the performance of final material.
Technique effect：Compared to existing common maritime concrete material, various starting components are fully considered in the present invention
Particle diameter distribution, optimization design goes out a kind of ultra-high performance concrete with excellent mechanical property and durability, in addition compared to
The high performance concrete of ordinary fly ash design is used before, and can effectively reduce very-high performance using fine heavy pearl in the present invention mixes
The viscosity for coagulating soil, keeps the internal pore structure of maturing more closely knit, anti-permeability performance is more preferable.
Specific implementation mode
With reference to specific example, the present invention is furture elucidated, it should be understood that these examples be merely to illustrate the present invention without
For limiting the scope of the invention, after having read the present invention, various equivalent forms of the those skilled in the art to the present invention
Modification fall within the application range as defined in the appended claims.
Raw materials used in following embodiment is claimed below：
Portland cement is PII52.5 grades of Portland cements, preferable with poly carboxylic acid series water reducer compatibility.
Fine heavy pearl is in global shape, continuous ionic exchange, ultra-fine, solid, wherein SiO2Content is 52%, Al2O3Content is
22%, Fe2O3Content is 4%, CaO content 12%.
SiO in silicon ash2Content is more than or equal to 95%, and pozzolanic activity index is more than 95%, and specific surface area is not less than
15000m2/kg。
River sand is common river sand, fineness modulus 2.5, grain size 0-5mm, density 2.62g/cm3, water absorption rate is
0.7%.
Swelling agent is calcareous swelling agent, and pale yellow powder, specific surface area, which is more than, is equal to 200m2/ Kg, 1.18mm tail over small
In equal to 0.5%, 7d is more than or equal to 0.06% in limited expansion rate water, and 7d turns 21d in air and is more than or equal to -0.01% in water.
Steel fibre is microfilament steel fibre, and microfilament steel fibre diameter is more than or equal to 0.2mm, and length is more than or equal to 13mm, major diameter
Than being 65, tensile strength is more than or equal to 3000MPa.
Water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid, and appearance is in colourless to light yellow, and density 1.09g/ml, solid content is more than
Equal to 40% (mass content), pH value is 4 ± 2, and water-reducing rate is more than or equal to 33.9%.
Water is tap water or drinking water, is met《Concrete water standard》(JGJ63-2006) requirement.
The blender used is standard water earth rubber sand planetary mixer.
Embodiment 1
A kind of ultra-high performance concrete material for abyssal environment is counted, including following components in parts by weight：
It is 595.7 parts of Portland cement, 297.9 parts of fine heavy pearl, 99.3 parts of silicon ash, 1092.2 parts of common river sand, swollen
Swollen dose 29.8 parts, 195.0 parts of microfilament steel fibre, 19.9 parts of polycarboxylate water-reducer, 158.9 parts of water.
Preparation method：
(1) material requested is weighed, including：It is Portland cement, fine heavy pearl, silicon ash, common river sand, swelling agent, micro-
Silk steel fibre, high-efficiency water-reducing agent of poly-carboxylic acid and tap water；
(2) blender and used tool and mold are soaked；
(3) load weighted Portland cement, fine heavy pearl, silicon ash and swelling agent are added to standard cement row successively
In star blender, high-speed stirred gear, high-speed stirred 120S are selected；
(4) load weighted river sand is added in the mixing cementitious material in step (3), high-speed stirred 60S；
(5) it takes and carries out 1 with the water of high-efficiency water-reducing agent of poly-carboxylic acid equivalent and water-reducing agent:1 mixing stirs the several seconds with glass bar,
Obtain uniform aqueous solvent.By being slowly added into mixture for the aqueous solvent stirred evenly, remaining water is added, is waited all
After solvent and water add, high-speed stirred 180S；
(6) stop blender, load weighted microfilament steel fibre is added in mixture slurry, blender is then started, it is high
Speed stirring 120S, you can obtain the green Cement-base material with ultra-high performance.
Embodiment 2
A kind of ultra-high performance concrete material for abyssal environment is counted, including following components in parts by weight：
It is 584.2 parts of Portland cement, 292.1 parts of fine heavy pearl, 97.4 parts of silicon ash, 1071.0 parts of common river sand, swollen
Swollen dose 29.2 parts, 195.0 parts of microfilament steel fibre, 19.5 parts of polycarboxylate water-reducer, 175.2 parts of water.
Preparation method：
(1) material requested is weighed, including：It is Portland cement, fine heavy pearl, silicon ash, common river sand, swelling agent, micro-
Silk steel fibre, high-efficiency water-reducing agent of poly-carboxylic acid and tap water；
(2) blender and used tool and mold are soaked；
(3) load weighted Portland cement, fine heavy pearl, silicon ash and swelling agent are added to standard cement row successively
In star blender, high-speed stirred gear, high-speed stirred 120S are selected；
(4) load weighted river sand is added in the mixing cementitious material in step (3), high-speed stirred 60S；
(5) it takes and carries out 1 with the water of high-efficiency water-reducing agent of poly-carboxylic acid equivalent and water-reducing agent:1 mixing stirs the several seconds with glass bar,
Obtain uniform aqueous solvent.By being slowly added into mixture for the aqueous solvent stirred evenly, remaining water is added, is waited all
After solvent and water add, high-speed stirred 180S；
(6) stop blender, load weighted microfilament steel fibre is added in mixture slurry, blender is then started, it is high
Speed stirring 120S, you can obtain the green Cement-base material with ultra-high performance.
Embodiment 3
A kind of ultra-high performance concrete material for abyssal environment is counted, including following components in parts by weight：
573 parts of Portland cement, 286.5 parts of fine heavy pearl, 95.5 parts of silicon ash, 1050.5 parts of common river sand, expansion
28.7 parts of agent, 195 parts of microfilament steel fibre, 19.1 parts of polycarboxylate water-reducer, 191 parts of water.
Preparation method：
(1) material requested is weighed, including：It is Portland cement, fine heavy pearl, silicon ash, common river sand, swelling agent, micro-
Silk steel fibre, high-efficiency water-reducing agent of poly-carboxylic acid and tap water；
(2) blender and used tool and mold are soaked；
(3) load weighted Portland cement, fine heavy pearl, silicon ash and swelling agent are added to standard cement row successively
In star blender, high-speed stirred gear, high-speed stirred 120S are selected；
(4) load weighted river sand is added in the mixing cementitious material in step (3), high-speed stirred 60S；
(5) it takes and carries out 1 with the water of high-efficiency water-reducing agent of poly-carboxylic acid equivalent and water-reducing agent:1 mixing stirs the several seconds with glass bar,
Obtain uniform aqueous solvent.By being slowly added into mixture for the aqueous solvent stirred evenly, remaining water is added, is waited all
After solvent and water add, high-speed stirred 180S；
(6) stop blender, load weighted microfilament steel fibre is added in mixture slurry, blender is then started, it is high
Speed stirring 120S, you can obtain the green Cement-base material with ultra-high performance.
Embodiment 4
A kind of ultra-high performance concrete material for abyssal environment is counted, including following components in parts by weight：
It is 595.7 parts of Portland cement, 297.9 parts of fine heavy pearl, 99.3 parts of silicon ash, 1092.2 parts of common river sand, swollen
Swollen dose 29.8 parts, 190 parts of microfilament steel fibre, 18 parts of polycarboxylate water-reducer, 155 parts of water.
Preparation method：
(1) material requested is weighed, including：It is Portland cement, fine heavy pearl, silicon ash, common river sand, swelling agent, micro-
Silk steel fibre, high-efficiency water-reducing agent of poly-carboxylic acid and tap water；
(2) blender and used tool and mold are soaked；
(3) load weighted Portland cement, fine heavy pearl, silicon ash and swelling agent are added to standard cement row successively
In star blender, high-speed stirred gear, high-speed stirred 90S are selected；
(4) load weighted river sand is added in the mixing cementitious material in step (3), high-speed stirred 75S；
(5) it takes and carries out 1 with the water of high-efficiency water-reducing agent of poly-carboxylic acid equivalent and water-reducing agent:1 mixing stirs the several seconds with glass bar,
Obtain uniform aqueous solvent.By being slowly added into mixture for the aqueous solvent stirred evenly, remaining water is added, is waited all
After solvent and water add, high-speed stirred 140S；
(6) stop blender, load weighted microfilament steel fibre is added in mixture slurry, blender is then started, it is high
Speed stirring 90S, you can obtain the green Cement-base material with ultra-high performance.
Embodiment 5
A kind of ultra-high performance concrete material for abyssal environment is counted, including following components in parts by weight：
It is 595.7 parts of Portland cement, 297.9 parts of fine heavy pearl, 99.3 parts of silicon ash, 1092.2 parts of common river sand, swollen
Swollen dose 29.8 parts, 200 parts of microfilament steel fibre, 20 parts of polycarboxylate water-reducer, 195 parts of water.
Preparation method：
(1) material requested is weighed, including：It is Portland cement, fine heavy pearl, silicon ash, common river sand, swelling agent, micro-
Silk steel fibre, high-efficiency water-reducing agent of poly-carboxylic acid and tap water；
(2) blender and used tool and mold are soaked；
(3) load weighted Portland cement, fine heavy pearl, silicon ash and swelling agent are added to standard cement row successively
In star blender, high-speed stirred gear, high-speed stirred 150S are selected；
(4) load weighted river sand is added in the mixing cementitious material in step (3), high-speed stirred 90S；
(5) it takes and carries out 1 with the water of high-efficiency water-reducing agent of poly-carboxylic acid equivalent and water-reducing agent:1 mixing stirs the several seconds with glass bar,
Obtain uniform aqueous solvent.By being slowly added into mixture for the aqueous solvent stirred evenly, remaining water is added, is waited all
After solvent and water add, high-speed stirred 200S；
(6) stop blender, load weighted microfilament steel fibre is added in mixture slurry, blender is then started, it is high
Speed stirring 150S, you can obtain the green Cement-base material with ultra-high performance.
Comparative example 1：
It is same as Example 1, the difference is that, fine heavy pearl is replaced with to the fine heavy pearl and I grades of fine coal of isodose
Grey mixed raw material, wherein fine heavy pearl presses 2 with I grades of flyash:1 mixing, other are constant.
Comparative example 2：
It is same as Example 1, the difference is that, fine heavy pearl is replaced with to the fine heavy pearl and I grades of fine coal of isodose
Grey mixed raw material, wherein fine heavy pearl presses 1 with I grades of flyash:1 mixing, other are constant.
Comparative example 3：
It is same as Example 1, the difference is that, fine heavy pearl is replaced with to the fine heavy pearl and I grades of fine coal of isodose
Grey mixed raw material, wherein fine heavy pearl presses 1 with I grades of flyash:2 mixing, other are constant.
Comparative example 4：
It is same as Example 1, the difference is that, fine heavy pearl is all replaced with to the I grade flyash of isodose, other
It is constant.
Performance detection：
The concrete mix and properties of hardened concrete of above-described embodiment 1-3 and comparative example 1-4 are tested, as a result
Such as table one.
One test result of table
It can be obtained by one result of upper table, compared with comparative example 1-4, after the present invention uses fine heavy pearl, remain to meet superelevation
The basic index of performance cement-based material, and as fine heavy pearl replacement amount is bigger, until I grades of flyash are substituted completely, production
The performances such as product mobility, compression strength, flexural strength significantly improve, and internal pore structure is also obviously improved, impervious also notable
It improves.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention.If ordinary skill people
Member modifies to the technology example of the present invention or equivalent replacement should all cover without departing from spirit of the invention in the present invention
Right in.
Claims (10)
1. a kind of ultra-high performance concrete for abyssal environment, which is characterized in that it is mainly by the original of following weight ratio
Material is made：
573-596 parts of Portland cement
Fine 286-298 parts of heavy pearl
95-100 parts of silicon ash
1050-1093 parts of river sand
28-30 parts of swelling agent
190-200 parts of steel fibre
18-20 parts of water-reducing agent
155-195 parts of water.
2. ultra-high performance concrete according to claim 1, which is characterized in that the Portland cement is
PII52.5 grades of Portland cements.
3. ultra-high performance concrete according to claim 1, which is characterized in that the fine heavy pearl is in global shape, connects
Continuous particle diameter distribution, ultra-fine, solid, wherein SiO2Content is 51%-53%, Al2O3Content is 21-23%, Fe2O3Content is 3-
5%, CaO content 11-13%.
4. ultra-high performance concrete according to claim 1, which is characterized in that SiO in the silicon ash2Content be more than etc.
In 95%, pozzolanic activity index is more than 95%, and specific surface area is not less than 15000m2/kg。
5. ultra-high performance concrete according to claim 1, which is characterized in that the river sand is common river sand, thin
It is 2.5 to spend modulus, grain size 0-5mm, density 2.55-2.70g/cm3, water absorption rate 0.6-0.8%.
6. ultra-high performance concrete according to claim 1, which is characterized in that the swelling agent is calcareous swelling agent,
Pale yellow powder, specific surface area, which is more than, is equal to 200m2/ Kg, 1.18mm are tailed over less than or equal to 0.5%, in limited expansion rate water
7d is more than or equal to 0.06%, and 7d turns 21d in air and is more than or equal to -0.01% in water.
7. ultra-high performance concrete according to claim 1, which is characterized in that the steel fibre is microfilament steel fibre,
Microfilament steel fibre diameter is more than or equal to 0.2mm, and length is more than or equal to 13mm, draw ratio 64-66, and tensile strength is more than or equal to
3000MPa。
8. ultra-high performance concrete according to claim 1, which is characterized in that the water-reducing agent is that polycarboxylic acids efficiently subtracts
Aqua, appearance are in colourless to light yellow, density 1.05-1.15g/ml, and solid content is more than or equal to 40% (mass content), pH value
It is 4 ± 2, water-reducing rate is more than or equal to 33.9%.
9. preparation method of the claim 1-8 any one of them for the ultra-high performance concrete of deep-sea engineering, feature exist
In including the following steps：
(1) Portland cement, fine heavy pearl, silicon ash, swelling agent mixing are taken, mixing cementitious material is uniformly mixing to obtain；
(2) river sand is added in above-mentioned mixing cementitious material, obtains equal refining；
(3) aqueous solvent that water-reducing agent is stirred evenly with water is added into above-mentioned uniform material, be uniformly mixed slurry；
(4) steel fibre is added into above-mentioned mixture slurry, it is die-filling after mixing, finally press national standard blanks and moulding and conserving, you can
Obtain the ultra-high performance concrete.
10. the preparation method of the ultra-high performance concrete according to claim 9 for abyssal environment, it is characterised in that：
Mixed raw material is added in standard water earth rubber sand planetary mixer in step (1), selection high-speed stirred gear, and incorporation time is
90-150S；
Common river sand is added in mixing cementitious material in step (2), selects high-speed stirred gear, incorporation time 60-90S；
Water-reducing agent is added in mixture after mixing in advance with water in step (3), selection high-speed stirred gear, and mixing time is
140-200S；
After steel fibre is added in step (4), high-speed stirred gear, incorporation time 90-150S are selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810365328.1A CN108623251A (en) | 2018-04-23 | 2018-04-23 | A kind of ultra-high performance concrete and preparation method thereof for abyssal environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810365328.1A CN108623251A (en) | 2018-04-23 | 2018-04-23 | A kind of ultra-high performance concrete and preparation method thereof for abyssal environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108623251A true CN108623251A (en) | 2018-10-09 |
Family
ID=63694242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810365328.1A Pending CN108623251A (en) | 2018-04-23 | 2018-04-23 | A kind of ultra-high performance concrete and preparation method thereof for abyssal environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108623251A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273576A (en) * | 2019-06-05 | 2019-09-24 | 成都建工工业化建筑有限公司 | Rail member and its construction method |
| CN113443872A (en) * | 2021-06-24 | 2021-09-28 | 东南大学 | Green environment-friendly type ultra-high performance concrete material and preparation method thereof |
| CN113461389A (en) * | 2021-07-28 | 2021-10-01 | 上海市地江建筑科技有限公司 | Ultrahigh-performance concrete suitable for underwater pouring and preparation process thereof |
| CN113480272A (en) * | 2021-08-17 | 2021-10-08 | 雨发建设集团有限公司 | Self-curing micro-expansive ultrahigh-performance concrete and preparation method thereof |
| CN114149246A (en) * | 2021-12-28 | 2022-03-08 | 四川美术学院 | Production method of ceramic with cosmetic clay decoration |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265983A (en) * | 2017-08-08 | 2017-10-20 | 天津城建大学 | A kind of 180MPa ultra-high performance concretes and preparation method thereof |
-
2018
- 2018-04-23 CN CN201810365328.1A patent/CN108623251A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265983A (en) * | 2017-08-08 | 2017-10-20 | 天津城建大学 | A kind of 180MPa ultra-high performance concretes and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273576A (en) * | 2019-06-05 | 2019-09-24 | 成都建工工业化建筑有限公司 | Rail member and its construction method |
| CN113443872A (en) * | 2021-06-24 | 2021-09-28 | 东南大学 | Green environment-friendly type ultra-high performance concrete material and preparation method thereof |
| CN113461389A (en) * | 2021-07-28 | 2021-10-01 | 上海市地江建筑科技有限公司 | Ultrahigh-performance concrete suitable for underwater pouring and preparation process thereof |
| CN113480272A (en) * | 2021-08-17 | 2021-10-08 | 雨发建设集团有限公司 | Self-curing micro-expansive ultrahigh-performance concrete and preparation method thereof |
| CN114149246A (en) * | 2021-12-28 | 2022-03-08 | 四川美术学院 | Production method of ceramic with cosmetic clay decoration |
| CN114149246B (en) * | 2021-12-28 | 2023-01-31 | 四川美术学院 | Production method of ceramic with cosmetic clay decoration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108623251A (en) | A kind of ultra-high performance concrete and preparation method thereof for abyssal environment | |
| CN108455930A (en) | A kind of green Cement-base material with ultra-high performance and preparation method thereof using drift-sand | |
| CN107572958B (en) | Ultra-low viscosity cement paste and preparation method thereof | |
| CN108059382B (en) | Concrete glue reducing agent and preparation method thereof | |
| CN109455992A (en) | A kind of machine-made sand concrete and preparation method thereof | |
| CN111606621B (en) | Bare concrete for bridge structure in marine environment and preparation method thereof | |
| CN110981299A (en) | High-performance geopolymer concrete and preparation method thereof | |
| CN110015878A (en) | A kind of prefabricated component concrete and its preparation process | |
| CN111807779B (en) | High-strength waterproof soil consolidation agent | |
| WO2008128287A1 (en) | Binding composition | |
| CN112028541A (en) | Concrete nano reinforcing modifier and preparation method thereof | |
| CN107021698B (en) | A kind of grinding coagulation soil and preparation method thereof | |
| CN112897954A (en) | High-elasticity-modulus ultrahigh-performance concrete and preparation method thereof | |
| CN102775110A (en) | Cementing material with strength grade of above 200MPa and preparation method thereof | |
| CN111978031A (en) | Method for improving concrete strength | |
| CN114014613B (en) | Salt corrosion resistant concrete and preparation method thereof | |
| KR100403831B1 (en) | Crack retardant mixture made from flyash and its application to concrete | |
| KR101937772B1 (en) | Eco-friendly composition for high performance concrete using alkali activator | |
| CN104150803A (en) | Alkali slag concrete water reducing agent | |
| WO2019142775A1 (en) | High strength grout composition and high strength grout mortar using same | |
| JPH07267697A (en) | Hydraulic composition | |
| CN115321924B (en) | Durable self-compaction filling concrete material for underground structural engineering | |
| JP2003137618A (en) | Blast furnace slag fine powder containing inorganic admixture, blast furnace cement, and method of producing them | |
| JPH10330135A (en) | Cement clinker and cement composition | |
| CN108314377A (en) | A kind of high performance cement concrete and the preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181009 |
|
| RJ01 | Rejection of invention patent application after publication |