CN110204283A - High density, High Strength Pump Concrete based on tailing Machine-made Sand and preparation method thereof - Google Patents
High density, High Strength Pump Concrete based on tailing Machine-made Sand and preparation method thereof Download PDFInfo
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- CN110204283A CN110204283A CN201910561736.9A CN201910561736A CN110204283A CN 110204283 A CN110204283 A CN 110204283A CN 201910561736 A CN201910561736 A CN 201910561736A CN 110204283 A CN110204283 A CN 110204283A
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- concrete
- made sand
- microballon
- high strength
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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
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
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- 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
The invention discloses a kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete, it is related to concrete and prepares correlative technology field, including cement 300-350kg, Machine-made Sand 1000-1200kg, additive 5-6kg, silicon ash 15-20kg, water 150-170kg, microballon viscosity reduction material 45-60kg, aggregate 700-1000kg.The invention also discloses a kind of high density based on tailing Machine-made Sand, the preparation method of High Strength Pump Concrete, including A: preparing raw material, B: selective mechanisms, C: raw material stirring, D: stirring detection, E: concrete NDT.Microballon viscosity reduction material of the present invention reduces the viscosity for newly mixing mixed mud, the pumpability of mixed mud is improved simultaneously, mixed mud aquation temperature rise peak value of the present invention is lower simultaneously, mixed mud aquation temperature rise peak value is lower simultaneously, compression strength and cracking resistance grade are increased simultaneously, is cracked when reducing concrete component condensation hardening because internal-external temperature difference is excessive, and then increase concrete structure durability, cost is relatively low for the present apparatus simultaneously, convenient for promoting the use of.
Description
Technical field
Prepare correlative technology field the present invention relates to concrete, in particular to a kind of high density based on tailing Machine-made Sand,
High Strength Pump Concrete and preparation method thereof.
Background technique
Generally strength grade be C60 and its more than concrete call high-strength concrete, it is more than C100 strength grade
Concrete is known as super high strength concrete.It is with cement, sand, the additional water-reducing agent of stone raw material or additional flyash, F mine simultaneously
The mixtures such as powder, slag, silicon powder produce through common process and obtain high-strength concrete.High-strength concrete is as a kind of new
Construction material, with the superiority that its compression strength is high, non-deformability is strong, density is big, porosity is low, high building structure,
It is widely used in long-span bridge girder construction and certain unique constructions.The feature of high-strength concrete maximum is compression strength
Mixed 4~6 times for doubting soil of height, generally regular tenacity, therefore the section of component can be reduced, therefore optimum is used for skyscraper.Examination
It tests and shows in certain axial compression ratio and suitable stirrup ratio, high strength reinforced concrete frame columns have preferable anti-seismic performance.
And column cross-section size reduces, and mitigates self weight, avoids short column, and it is also advantageous to earthquake-resistant structure, and improve economic benefit.Coagulation
Native hydration reaction temperature rise peak value is higher, cracks when easily causing concrete component condensation hardening because internal-external temperature difference is excessive, into
And reduce concrete structure durability.
It is therefore proposed that a kind of solved based on the high density of tailing Machine-made Sand, High Strength Pump Concrete and preparation method thereof
The above problem is necessary.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of high density based on tailing Machine-made Sand, High strength pumping are mixed
Solidifying soil and preparation method thereof, it is higher to solve concrete hydrating reaction temperature rising peak value, when easily causing concrete component condensation hardening
The problem of being cracked because internal-external temperature difference is excessive, and then reducing concrete structure durability.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete, including cement 300-350kg, Machine-made Sand
1000-1200kg, additive 5-6kg, silicon ash 15-20kg, water 150-170kg, microballon viscosity reduction material 45-60kg, aggregate 700-
1000kg。
Optionally, the concrete each component temperature is 30 DEG C -35 DEG C；
The aggregate size is 1/3 inch one 3/4 inches.
Optionally, the intensity of the concrete is 99.4Mpa-105Mpa；
The cement uses 42.5 grades of ordinary portland cements.
Optionally, the microballon viscosity reduction material includes hydrophobic miberal powder microballon and the ball that extracts from slag powders or flyash
Shape, continuous ionic exchange, solid ultra-fine microballon；
The hydrophobic miberal powder microballon and ultra-fine microballon are mixed with viscosity reduction powder is formed, and the viscosity reduction powder density is 2.47g/
cm3, it is≤6% that fineness is tailed over by 50um, fluidity ratio >=100, viscosity ratio≤60%, 28 days activity index >=80%.
Optionally, the additive is poly- shuttle acid water-reducing agent, Type F high efficiency water reducing agent and Type D slow setting diminishing
One of agent is several.
Optionally, the mechanism grain fineness number modulus is 2.5-2.9, clay content 0.4%, clod content are less than 1.4, mountain flour
Content is 3%, air content 0, apparent density 2.6g/cm3。
A kind of high density based on tailing Machine-made Sand, the preparation method of High Strength Pump Concrete, comprising the following steps:
A: prepare raw material: cement 300-350kg, Machine-made Sand 1000-1200kg, additive 5-6kg, silicon ash 15-20kg, water
150-170kg, microballon viscosity reduction material 45-60kg, aggregate 700-1000kg；
B: selective mechanisms: the raw material of preparation is screened, weighed and is detected whether raw material meets preparation mark vertebra, prevents from mixing
There is error when solidifying soil stirring, to influence the preparation quality of concrete, influences the use intensity of concrete；
C: at 30 DEG C -35 DEG C, cement, Machine-made Sand, water, silicon ash and aggregate raw material stirring: are sequentially added into agitating device
Inside be stirred；
D: stirring detection: microballon viscosity reduction material, additive and remaining water will be added on the basis of step 3, while right
The mobility of the mixture of concrete is detected, and prevents the mobility of the mixture of concrete from error occur；
E: concrete NDT: the concrete taking-up that stirring is completed is micro, and the mass intensity of concrete then is examined
It surveys, whether detection concrete reaches criterion of acceptability.
Optionally, it is detected in the step B by the different detection device of different materials'uses, prevents detection from filling
Setting causes the detection of material error occur.
Optionally, temperature measurement is carried out by dedicated thermometer in the step C, prevents temperature from error occur, simultaneously
Water is added largely, it is made to have residual not to be added.
(3) beneficial effect
The present invention provides a kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete and preparation method thereof, tools
It is standby following the utility model has the advantages that
(1), microballon viscosity reduction material reduces and newly mixes the viscosity of mixed mud in the present invention, while improving the pumpable of mixed mud
Property, while mixed mud aquation temperature rise peak value of the present invention is lower, while increasing compression strength and cracking resistance grade, reduces concrete
It is cracked when component condensation hardening because internal-external temperature difference is excessive, and then increases concrete structure durability, while the present invention
Cost is relatively low, convenient for promoting the use of.
Detailed description of the invention
Fig. 1 is the embodiment of the present invention performance test table.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connect
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes one or more of the features.
Embodiment one:
A kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete, including cement 300kg, Machine-made Sand 1200kg,
Additive 5kg, silicon ash 20kg, water 150kg, microballon viscosity reduction material 60kg, aggregate 700kg.
As a kind of optional technical solution of the invention:
The concrete each component temperature is 30 DEG C -35 DEG C；
The aggregate size is 1/3 inch one 3/4 inches.
As a kind of optional technical solution of the invention:
The intensity of the concrete is 99.4Mpa-105Mpa；
The cement uses 42.5 grades of ordinary portland cements.
As a kind of optional technical solution of the invention:
The microballon viscosity reduction material includes hydrophobic miberal powder microballon and spherical, the continuous grain extracted from slag powders or flyash
Diameter distribution, solid ultra-fine microballon；
The hydrophobic miberal powder microballon and ultra-fine microballon are mixed with viscosity reduction powder is formed, and the viscosity reduction powder density is 2.47g/
cm3, it is≤6% that fineness is tailed over by 50um, fluidity ratio >=100, viscosity ratio≤60%, 28 days activity index >=80%.
As a kind of optional technical solution of the invention:
The additive is one in poly- shuttle acid water-reducing agent, Type F high efficiency water reducing agent and Type D retardation water reducing agent
Kind is several.
As a kind of optional technical solution of the invention:
The mechanism grain fineness number modulus is 2.5-2.9, clay content 0.4%, clod content less than 1.4, content of stone powder are
3%, air content 0, apparent density 2.6g/cm3。
Embodiment two:
A kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete, including cement 350kg, Machine-made Sand 1000kg,
Additive 6kg, silicon ash 15kg, water 170kg, microballon viscosity reduction material 45kg, aggregate 1000kg.
As a kind of optional technical solution of the invention:
The concrete each component temperature is 30 DEG C -35 DEG C；
The aggregate size is 1/3 inch one 3/4 inches.
As a kind of optional technical solution of the invention:
The intensity of the concrete is 99.4Mpa-105Mpa；
The cement uses 42.5 grades of ordinary portland cements.
As a kind of optional technical solution of the invention:
The microballon viscosity reduction material includes hydrophobic miberal powder microballon and spherical, the continuous grain extracted from slag powders or flyash
Diameter distribution, solid ultra-fine microballon；
The hydrophobic miberal powder microballon and ultra-fine microballon are mixed with viscosity reduction powder is formed, and the viscosity reduction powder density is 2.47g/
cm3, it is≤6% that fineness is tailed over by 50um, fluidity ratio >=100, viscosity ratio≤60%, 28 days activity index >=80%.
As a kind of optional technical solution of the invention:
The additive is one in poly- shuttle acid water-reducing agent, Type F high efficiency water reducing agent and Type D retardation water reducing agent
Kind is several.
As a kind of optional technical solution of the invention:
The mechanism grain fineness number modulus is 2.5-2.9, clay content 0.4%, clod content less than 1.4, content of stone powder are
3%, air content 0, apparent density 2.6g/cm3。
Embodiment three:
A kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete, including cement 325kg, Machine-made Sand 1100kg,
Additive 5.5kg, silicon ash 17.5kg, water 160kg, microballon viscosity reduction material 52.5kg, aggregate 850kg.
As a kind of optional technical solution of the invention:
The concrete each component temperature is 30 DEG C -35 DEG C；
The aggregate size is 1/3 inch one 3/4 inches.
As a kind of optional technical solution of the invention:
The intensity of the concrete is 99.4Mpa-105Mpa；
The cement uses 42.5 grades of ordinary portland cements.
As a kind of optional technical solution of the invention:
The microballon viscosity reduction material includes hydrophobic miberal powder microballon and spherical, the continuous grain extracted from slag powders or flyash
Diameter distribution, solid ultra-fine microballon；
The hydrophobic miberal powder microballon and ultra-fine microballon are mixed with viscosity reduction powder is formed, and the viscosity reduction powder density is 2.47g/
cm3, it is≤6% that fineness is tailed over by 50um, fluidity ratio >=100, viscosity ratio≤60%, 28 days activity index >=80%.
As a kind of optional technical solution of the invention:
The additive is one in poly- shuttle acid water-reducing agent, Type F high efficiency water reducing agent and Type D retardation water reducing agent
Kind is several.
As a kind of optional technical solution of the invention:
The mechanism grain fineness number modulus is 2.5-2.9, clay content 0.4%, clod content less than 1.4, content of stone powder are
3%, air content 0, apparent density 2.6g/cm3。
High density, High Strength Pump Concrete can be made by above three groups of embodiments, wherein the 2nd group of embodiment effect
It is best.
A kind of high density based on tailing Machine-made Sand, the preparation method of High Strength Pump Concrete, comprising the following steps:
A: prepare raw material: cement 300-350kg, Machine-made Sand 1000-1200kg, additive 5-6kg, silicon ash 15-20kg, water
150-170kg, microballon viscosity reduction material 45-60kg, aggregate 700-1000kg；
B: selective mechanisms: the raw material of preparation is screened, weighed and is detected whether raw material meets preparation mark vertebra, prevents from mixing
There is error when solidifying soil stirring, to influence the preparation quality of concrete, influences the use intensity of concrete；
C: at 30 DEG C -35 DEG C, cement, Machine-made Sand, water, silicon ash and aggregate raw material stirring: are sequentially added into agitating device
Inside be stirred；
D: stirring detection: microballon viscosity reduction material, additive and remaining water will be added on the basis of step 3, while right
The mobility of the mixture of concrete is detected, and prevents the mobility of the mixture of concrete from error occur；
E: concrete NDT: the concrete taking-up that stirring is completed is micro, and the mass intensity of concrete then is examined
It surveys, whether detection concrete reaches criterion of acceptability.
As a kind of optional technical solution of the invention:
It is detected in the step B by the different detection device of different materials'uses, prevents detection device from causing
There is error in the detection of material.
As a kind of optional technical solution of the invention:
Temperature measurement is carried out by dedicated thermometer in the step C, prevents temperature from error occur, while water is added greatly
Amount makes it have residual not to be added.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact "up" or "down".
Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or tiltedly
Top, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " and
" following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of first feature horizontal height less than
Two features.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of high density based on tailing Machine-made Sand, High Strength Pump Concrete, it is characterised in that: including cement 300-350kg,
Machine-made Sand 1000-1200kg, additive 5-6kg, silicon ash 15-20kg, water 150-170kg, microballon viscosity reduction material 45-60kg, bone
Expect 700-1000kg.
2. the high density according to claim 1 based on tailing Machine-made Sand, High Strength Pump Concrete, which is characterized in that
The concrete each component temperature is 30 DEG C -35 DEG C；
The aggregate size is 1/3 inch one 3/4 inches.
3. the high density according to claim 1 based on tailing Machine-made Sand, High Strength Pump Concrete, which is characterized in that
The intensity of the concrete is 99.4Mpa-105Mpa；
The cement uses 42.5 grades of ordinary portland cements.
4. the high density according to claim 1 based on tailing Machine-made Sand, High Strength Pump Concrete, which is characterized in that
The microballon viscosity reduction material includes hydrophobic miberal powder microballon and spherical, the Continuous Particle Size point that extract from slag powders or flyash
Cloth, solid ultra-fine microballon；
The hydrophobic miberal powder microballon and ultra-fine microballon are mixed with viscosity reduction powder is formed, and the viscosity reduction powder density is 2.47g/cm3, carefully
It is≤6% that degree is tailed over by 50um, fluidity ratio >=100, viscosity ratio≤60%, 28 days activity index >=80%.
5. the high density according to claim 1 based on tailing Machine-made Sand, High Strength Pump Concrete, which is characterized in that
The additive be one of poly- shuttle acid water-reducing agent, Type F high efficiency water reducing agent and Type D retardation water reducing agent or
Person is several.
6. the high density according to claim 1 based on tailing Machine-made Sand, High Strength Pump Concrete, which is characterized in that
The mechanism grain fineness number modulus is 2.5-2.9, clay content 0.4%, clod content less than 1.4, content of stone powder 3%,
Air content is 0, apparent density 2.6g/cm3。
7. a kind of high density based on tailing Machine-made Sand, the preparation method of High Strength Pump Concrete, which is characterized in that including following
Step:
A: prepare raw material: cement 300-350kg, Machine-made Sand 1000-1200kg, additive 5-6kg, silicon ash 15-20kg, water 150-
170kg, microballon viscosity reduction material 45-60kg, aggregate 700-1000kg；
B: selective mechanisms: the raw material of preparation is screened, weighed and is detected whether raw material meets preparation mark vertebra, prevents concrete
Occur error when stirring, to influence the preparation quality of concrete, influences the use intensity of concrete；
C: raw material stirring: at 30 DEG C -35 DEG C, cement, Machine-made Sand, water, silicon ash and aggregate are sequentially added in agitating device
Portion is stirred；
D: stirring detection: microballon viscosity reduction material, additive and remaining water will be added on the basis of step 3, while to coagulation
The mobility of the mixture of soil is detected, and prevents the mobility of the mixture of concrete from error occur；
E: concrete NDT: the concrete taking-up that stirring is completed is micro, and the mass intensity of concrete then is detected, inspection
Survey whether concrete reaches criterion of acceptability.
8. the high density according to claim 7 based on tailing Machine-made Sand, the preparation method of High Strength Pump Concrete, special
Sign is,
It is detected in the step B by the different detection device of different materials'uses, prevents detection device from leading to material
Detection there is error.
9. the high density according to claim 7 based on tailing Machine-made Sand, the preparation method of High Strength Pump Concrete, special
Sign is,
Temperature measurement is carried out by dedicated thermometer in the step C, prevents temperature from error occur, while water is added largely,
It is set to have residual not to be added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561736.9A CN110204283A (en) | 2019-06-26 | 2019-06-26 | High density, High Strength Pump Concrete based on tailing Machine-made Sand and preparation method thereof |
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| CN201910561736.9A CN110204283A (en) | 2019-06-26 | 2019-06-26 | High density, High Strength Pump Concrete based on tailing Machine-made Sand and preparation method thereof |
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| CN110204283A true CN110204283A (en) | 2019-09-06 |
Family
ID=67794790
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| CN201910561736.9A Withdrawn CN110204283A (en) | 2019-06-26 | 2019-06-26 | High density, High Strength Pump Concrete based on tailing Machine-made Sand and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723817A (en) * | 2020-12-09 | 2021-04-30 | 华新水泥股份有限公司 | High-fluidity adjustable-setting ready-mixed grouting mortar and preparation method thereof |
| CN113146798A (en) * | 2021-04-26 | 2021-07-23 | 武汉中彭化学科技有限公司 | Concrete glue reducing agent detection method |
-
2019
- 2019-06-26 CN CN201910561736.9A patent/CN110204283A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723817A (en) * | 2020-12-09 | 2021-04-30 | 华新水泥股份有限公司 | High-fluidity adjustable-setting ready-mixed grouting mortar and preparation method thereof |
| CN112723817B (en) * | 2020-12-09 | 2022-08-02 | 华新水泥股份有限公司 | High-fluidity adjustable-setting ready-mixed grouting mortar and preparation method thereof |
| CN113146798A (en) * | 2021-04-26 | 2021-07-23 | 武汉中彭化学科技有限公司 | Concrete glue reducing agent detection method |
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