CN106699051A - Concrete and production method thereof - Google Patents
Concrete and production method thereof Download PDFInfo
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- CN106699051A CN106699051A CN201611110621.0A CN201611110621A CN106699051A CN 106699051 A CN106699051 A CN 106699051A CN 201611110621 A CN201611110621 A CN 201611110621A CN 106699051 A CN106699051 A CN 106699051A
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/48—Metal
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a concrete which comprises the following raw materials in parts by weight: 20.6-25.5 parts of cement, 51.75-55 parts of quartz sand, 0.13-2.0 parts of polycarboxylic acid water reducing agent powder, 6-8.32 parts of active admixture, 0.06-0.07 part of high-polymer material, 1.5-2.32 parts of U-shaped expanding agent, 6-8 parts of steel fiber mixture and 7.19-8.12 parts of water. The concrete is convenient for curing, and has the characteristics of high compression strength, high durability, high toughness and low porosity. The invention also provides a production method of the concrete. The method comprises the following steps: 1. proportionally carrying out dry mixing on the cement, quartz sand, active admixture, U-shaped expanding agent and steel fiber mixture to obtain a dry mixture; and 2. proportionally dissolving the polycarboxylic acid water reducing agent powder and high-polymer material in water to obtain a mixed solution, and uniformly stirring the dry mixture in the step 1 and the mixed solution to obtain the concrete. The method has the advantages of simple integrated process and controllable technological parameters; and the prepared concrete component is convenient for curing.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of concrete and its production method.
Background technology
Concrete, referred to as " concrete ", refer to by the general designation of the cementing integral engineered composite material that gathers materials by Binder Materials.
The word of concrete one generally said refers to make Binder Materials with cement, and sand, masonry gather materials, and is pressed with water (can contain additive and admixture)
Certain proportion coordinate, it is agitated obtained by cement concrete.Common high-strength concrete rupture strength is poor, anti-folding and compression strength
Ratio is mostly in 1/8-1/20, and normal concrete compression strength is usually no more than 60MPa.
RPC concrete, is exactly RPC (reactive powder concrete), and it is the mid-90
French Bouygues companies Richard et al. develop with superhigh intensity, height, high-durability and good volume stability
Cement-base composite material, it is obtained particular by following manner：With fine sand as aggregate, mix the mineral such as a large amount of silicon ashes and blend
Material, high efficiency water reducing agent and micro steel fiber, weak interface are significantly strengthened, make energy to failure improve two orders of magnitude with
On.Although RPC concrete is with intensity and toughness high, its curing condition is extremely harsh (to be needed using more than 100 DEG C
Steam is conserved), greatly limit its range of application.
Concrete species is relatively more in the prior art, sees below：
The patent application of Application No. 201410555971.2 discloses a kind of concrete, its by cement, middle sand, aggregate,
Reinforcing fibre, additive and water are mixed, and each component mass parts are as follows：Cement 300-450 parts；Middle sand 650-800 parts；
Aggregate 780-900 parts；Reinforcing fibre 10-20 parts；Additive 4-8 parts；180 parts -200 parts of water；The additive is by polycarboxylic-acid
35 parts of water reducer, 6 parts of silane coupler, 3 parts of polyvinylpyrrolidone, 2 parts of carborundum, 8 parts of coated with silica titanium dioxide,
5 parts of jelly powder, 12 parts of bentonite, 10 parts of nano-carbon powder, 4 parts of sodium gluconate, 4 parts of acetate phenol are mixed.
The patent application of Application No. 201410322447.0 discloses a kind of concrete, including following raw material：Cement,
Sand, rubble, discarded object calcining material, additive and water, the discarded object calcining material are obtained by following methods：By waste concrete and
Useless brick is according to 10：3 mass ratio mixing, crushes, grinds to form flour less than 30mm, standby；Flour is put into water, 2-3 is steeped
My god, then take out drying；The flour of drying is calcined into 4-5h at 1000-1100 DEG C, is ground after cooling, sieved, respectively
The calcined product that particle diameter is 0.15-3mm and 5-10mm is taken, is discarded object calcining material.
The patent of invention of Application No. 201410159369.7 discloses a kind of concrete, including conventional proportions sand, broken
Stone and cement, the cement are anticracking complex cement, and by weight, the anticracking complex cement includes：Portland cement
100 parts；5~20 parts of iron powder；0.5~1.5 part of sulfurous acid sodium powder；10~30 parts of flyash.
The features such as above concrete has low compression strength or not durable or low toughness or function-specific property, still can not expire
The use demand of foot reality.In sum, one kind is badly in need of in industry to be easy to conserve and with high compressive strength, high-durability, height
The concrete of toughness and low porosity is solving problems of the prior art.
The content of the invention
The first object of the present invention be offer be easy to conserve and with high compressive strength, high-durability, high tenacity and
The concrete of low porosity, concrete technical scheme is as follows：
A kind of concrete, its raw material includes following components in terms of parts by weight：
Cement 20.6-25.5 parts of 0.13-2.0 parts of quartz sand 51.75-55 parts of polycarboxylate water-reducer pulvis
Active admixture 6-8.32 parts macromolecular material 0.06-0.07 parts U-shaped swelling agent 1.5-2.32 parts
6-8 parts water 7.19-8.12 parts of steel fibre compound.
It is preferred in above technical scheme, the quartz sand by 10-20 mesh quartz sand, the quartz sand of 20-40 mesh, 40-
The quartz sand of 70 mesh and the quartz sand of 70-120 mesh are in terms of parts by weight according to 17.08-20：24.5-26：3-9：3-5's matches somebody with somebody
Than mixing；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 0.93-1：4-5.12：1-
2.27 proportioning is mixed, wherein the superfine silica powder is superfine silica powder of the granularity more than or equal to 1500 mesh, in the silica flour
The content of silica is more than 94%, the model S115 of the miberal powder；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：The proportioning of 0.01-0.02 is mixed
Conjunction is formed, wherein, the model P803 of the defoamer；The viscosity of the cellulose ether is 400cP；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 1-3：5-6.17
Proportioning mix, wherein, a diameter of 0.6mm of the end hook type steel fibers, its length is 30mm, and its tensile strength is more than
1200MPa；A diameter of 0.18-22mm of the copper facing steel fibre, its length is 12-13mm, and its tensile strength is more than
2900MPa。
Preferred in above technical scheme, its raw material includes following components in terms of parts by weight：
22.28 parts of cement, 51.75 parts of quartz sand, 0.13 part of polycarboxylate water-reducer pulvis
8.32 parts of active admixture, 0.06 part of macromolecular material, 2.32 parts of U-shaped swelling agent
7.75 parts of steel fibre compound, 7.38 parts of water；
The quartz sand by the quartz sand of 10-20 mesh, the quartz sand of 20-40 mesh, 40-70 mesh quartz sand and 70-120
Purpose quartz sand is in terms of parts by weight according to 17.08：24.88：6.22：3.57 proportioning is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 0.93：5.12：2.27
Proportioning is mixed；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：0.01 proportioning mixing and
Into；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 1.58：6.17
Proportioning is mixed.
Preferred in above technical scheme, its raw material includes following components in terms of parts by weight：
20.6 parts of cement, 55 parts of quartz sand, 0.15 part of polycarboxylate water-reducer pulvis
8 parts of active admixture, 0.06 part of macromolecular material, 2 parts of U-shaped swelling agent
8 parts of steel fibre compound, 7.19 parts of water；
The quartz sand by the quartz sand of 10-20 mesh, the quartz sand of 20-40 mesh, 40-70 mesh quartz sand and 70-120
Purpose quartz sand is in terms of parts by weight according to 18：25：9：3 proportioning is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 1：5：2 proportioning mixing
Form；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：0.01 proportioning mixing and
Into；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 2：5 proportioning is mixed
Conjunction is formed.
Preferred in above technical scheme, its raw material includes following components in terms of parts by weight：
25.5 parts of cement, 53.5 parts of quartz sand, 2.0 parts of polycarboxylate water-reducer pulvis
6 parts of active admixture, 0.07 part of macromolecular material, 1.5 parts of U-shaped swelling agent
6 parts of steel fibre compound, 8.12 parts of water；
The quartz sand by the quartz sand of 10-20 mesh, the quartz sand of 20-40 mesh, 40-70 mesh quartz sand and 70-120
Purpose quartz sand is in terms of parts by weight according to 18：24.5：6：5 proportioning is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 1：5：2 proportioning mixing
Form；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：0.01 proportioning mixing and
Into；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 1：5 proportioning is mixed
Conjunction is formed.
Apply the technical scheme of the present invention, effect is specifically：Using the cement of moderate strength class as base-material, raw material is easy
Obtain, and cost is reasonable；Using 10-20 mesh, 20-40 mesh, 40-70 mesh and 70-120 mesh quartz sand according to it is specific match into
Row is blended, and forms the best of breed of aggregate；Using polycarboxylate water-reducer pulvis, the unit dose of water reducer is reduced, in minimum water
Glue improves workability than lower raising intensity and fluidity；Active admixture is using superfine silica powder, silica flour and miberal powder according to specific
Proportioning combination, is sufficient filling with the space in cement and frame material, and the packing of concrete is improved to the full extent；Using by froth breaking
The macromolecular material that agent and cellulose are constituted according to special ratios, for improving the density of concrete, changing the tough of concrete
Property and improve concrete rupture strength at normal temperatures；The UEA type swelling agents with aluminum sulfate as expansion sources are used, coagulation is prevented
Microdilatancy is produced while soil cracking, to offset concrete shrinkage so that concrete has zero to shrink, and the heat of generation is avoided
Later stage is to obtain the high-temperature steam curing that high breaking strength and packing need；The present invention is using by end hook type steel fibers and copper facing
The steel flat flanges that steel fibre is mixed to get according to special ratios, improve concrete rupture strength at normal temperatures to the full extent.Cause
This, the present invention is designed using the formula of unique raw material composition and uniqueness so that present invention gained concrete has following spy
Point：It is easy to maintenance, with high compressive strength, high-durability, high tenacity, porosity is low.
The second object of the present invention is to provide a kind of production method of concrete, is comprised the following steps：
Step one：Cement, quartz sand, active admixture, U-shaped swelling agent and steel fibre compound are added by proportioning strong
Dry mix is obtained for 8-10 minutes with the rotary speed dry mixing of 2 seconds/circle in standard powder stirrer, dry mixing temperature is 5-35 DEG C；
Step 2：Proportionally polycarboxylate water-reducer pulvis and macromolecular material are dissolved in the water and obtain mixed liquor；Will
The dry mix of step one gained is transferred in horizontal-type biaxial rneader, and will be stirred in above-mentioned mixed liquor addition horizontal-type biaxial rneader
Mix uniform, obtain final product concrete, wherein, mixing speed is 1000-2000r/min, and whipping temp is 20-30 DEG C.
In order to reach superior technique effect, also it is specifically including pre-treatment step described in pre-treatment step：The steel is fine
Dimension compound needs to be sieved in screening machine before addition, and vibration frequency during screening is 120-150HZ, screening sieve
The size of mesh opening of son is 1.5 times of steel fibre diameter.
In order to reach superior technique effect, also including post-processing step, the post-processing step is specifically：By step 2
Gained concrete is vibrated in mould with the frequency of vibrating of 100HZ, and concrete component is obtained final product after shaping, then to concrete structure
Part carries out covering curing or carries out watering maintenance using 5 DEG C -35 DEG C of water using plastic sheeting or native canvas.
The inventive method integrated artistic is simplified, and technological parameter is easily controlled, and obtained concrete component is easy to maintenance, should
With in extensive range.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to specific embodiment, the present invention is further detailed explanation.
Specific embodiment
Technical scheme is described in detail below in conjunction with specific embodiment, but the present invention can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1：
A kind of concrete, raw material includes cement, quartz sand, polycarboxylate water-reducer pulvis, active admixture, macromolecule material
Material, U-shaped swelling agent, steel fibre compound and water, its proportioning refer to table 1.
The cement use the Portland cement moderate strength class of Zhong Cai cement Co., Ltd for 52.5 water
Mud.
The quartz sand is mixed by 10-20 mesh, 20-40 mesh, four kinds of quartz sands of 40-70 mesh and 70-120 purposes,
Its specific proportioning refers to table 2.
The polycarboxylate water-reducer pulvis is produced by Shanghai Sanrui Polymer Material Co., Ltd..
The active admixture is mixed by superfine silica powder, silica flour and miberal powder, and its proportioning refers to table 3, wherein：It is described
Superfine silica powder is superfine silica powder of the granularity more than or equal to 1500 mesh, and the content of silica is described more than 94% in the silica flour
The model S115 of miberal powder.
The macromolecular material is mixed by defoamer and cellulose, and its proportioning is shown in Table 4.Defoamer is by German AGITAN
Company produces, its model P803；Cellulose ether is produced by Ruitai Cellulose Co Ltd, Tai'an, and its viscosity is 400cP.
The steel fibre compound is mixed by end hook shaped steel pricker peacekeeping copper facing steel fibre, and its proportioning refers to table 5, its
In, a diameter of 0.6mm of the end hook type steel fibers, its length is 30mm, and its tensile strength is more than 1200MPa；The copper facing
The non-0.18-22mm of diameter of steel fibre, its length is 12-13mm, and its tensile strength is more than 2900MPa.
Its production method specifically includes following steps：
Pre-treatment step, specifically：The steel fibre compound needs to be sieved in screening machine before addition, sieve
The vibration frequency of timesharing is 120-150Hz, and the size of mesh opening of screening sieve is 1.5 times of steel fibre diameter；
Step one：Cement, quartz sand, active admixture, U-shaped swelling agent and steel fibre compound are added by proportioning strong
Dry mix is obtained for 8-10 minutes with the rotary speed dry mixing of 2 seconds/circle in standard powder stirrer, dry mixing temperature is 5-35 DEG C；
Step 2：Proportionally polycarboxylate water-reducer pulvis and macromolecular material are dissolved in the water and obtain mixed liquor；Will
The dry mix of step one gained is transferred in horizontal-type biaxial rneader, and will be stirred in above-mentioned mixed liquor addition horizontal-type biaxial rneader
Mix uniform, obtain final product concrete (being designated as sample 1), wherein, mixing speed is 1000-2000r/min, and whipping temp is 20-30 DEG C.
Post-processing step, specifically：Step 2 gained concrete is shaken in mould with the frequency of vibrating of 100Hz
Smash, obtain final product concrete component after shaping, then using plastic sheeting or native canvas covering curing is carried out to concrete component or 5 are used
DEG C -35 DEG C of water carries out watering maintenance.
The maintenance method of the performance of sample 1 and the concrete component being made up of sample 1 refers to table 6.
Embodiment 2- embodiments 5
The raw material composition of embodiment 2- embodiments 5 refers to table 1- tables 5, and the concrete of acquisition is denoted as sample 2- samples 5,
The maintenance method of the performance of each sample and the concrete component being made up of each sample refers to table 6.
The raw material components of 1 embodiment 1- embodiments of table 5 and consumption statistical form
The embodiment 1- embodiments 5 of table 2 use the species and consumption statistical form of quartz sand
The embodiment 1- embodiments 5 of table 3 use the composition and consumption statistical form of active admixture
The embodiment 1- embodiments 5 of table 4 use the composition and consumption statistical form of macromolecular material
The embodiment 1- embodiments 5 of table 5 use the composition and consumption statistical form of steel fibre
The maintenance method statistical form of the sample 1- samples 5, normal concrete of table 6, the performance of RPC concrete and respective members
Using the concrete of embodiment of the present invention 1- embodiments 5, have the following effects that：
(1) compression strength of concrete of the present invention reaches 94MPa-125MPa, and rupture strength reaches 26MPa-45MPa, resists
Between 0.277-0.375, apparently higher than normal concrete, (normal concrete toughness is toughness for folding intensity and compression strength ratio
0.1), also superior to RPC concrete (its toughness is about 0.19).
(2) impermeability of concrete of the present invention is strong, and impermeabilisation grade reaches S10-S14, and far above normal concrete, (it resists
Infiltration grade is S4)；Drying shrinkage is 0-0.5, is also significantly better than normal concrete, and is slightly weaker than RPC concrete.
(3) ratio by adjusting swelling agent of concrete of the present invention and macromolecular material (such as sample 1- samples are increased
5), ungauged regions after shaping, do not ftracture, normal temperature maintenance can be carried out, maintenance is convenient.
(4) present invention is mixed using two kinds of steel fibres according to special ratios, and it is 120-150HZ, sieve to use vibration frequency
Size of mesh opening is that the reciprocating sieve of 1.5 times of steel fibre diameter solves the problems, such as easily conglomeration, mobility during concrete production
Reach 450-600mm, hence it is evident that better than normal concrete and RPC concrete.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of concrete, it is characterised in that its raw material includes following components in terms of parts by weight：
Cement 20.6-25.5 parts of 0.13-2.0 parts of quartz sand 51.75-55 parts of polycarboxylate water-reducer pulvis
Active admixture 6-8.32 parts macromolecular material 0.06-0.07 parts U-shaped swelling agent 1.5-2.32 parts
6-8 parts water 7.19-8.12 parts of steel fibre compound.
2. concrete according to claim 1, it is characterised in that quartz sand, 20-40 of the quartz sand by 10-20 mesh
The quartz sand of purpose quartz sand, the quartz sand of 40-70 mesh and 70-120 mesh is in terms of parts by weight according to 17.08-20：24.5-
26：3-9：The proportioning of 3-5 is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 0.93-1：4-5.12：1-2.27
Proportioning mix, wherein the superfine silica powder be granularity more than or equal to 1500 mesh superfine silica powder, dioxy in the silica flour
The content of SiClx is more than 94%, the model S115 of the miberal powder；
The macromolecular material by defoamer and cellulose ether in terms of parts by weight according to 0.05：The proportioning mixing of 0.01-0.02
Form, wherein, the model P803 of the defoamer；The viscosity of the cellulose ether is 400cP；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 1-3：5-6.17's matches somebody with somebody
Than mixing, wherein, a diameter of 0.6mm of the end hook type steel fibers, its length is 30mm, and its tensile strength is more than
1200MPa；A diameter of 0.18-22mm of the copper facing steel fibre, its length is 12-13mm, and its tensile strength is more than
2900MPa。
3. concrete according to claim 2, it is characterised in that its raw material includes following components in terms of parts by weight：
22.28 parts of cement, 51.75 parts of quartz sand, 0.13 part of polycarboxylate water-reducer pulvis
8.32 parts of active admixture, 0.06 part of macromolecular material, 2.32 parts of U-shaped swelling agent
7.75 parts of steel fibre compound, 7.38 parts of water；
The quartz sand is by the quartz sand of 10-20 mesh, the quartz sand of 20-40 mesh, the quartz sand of 40-70 mesh and 70-120 purposes
Quartz sand is in terms of parts by weight according to 17.08：24.88：6.22：3.57 proportioning is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 0.93：5.12：2.27 proportioning
Mix；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：0.01 proportioning is mixed；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 1.58：6.17 proportioning
Mix.
4. concrete according to claim 2, it is characterised in that its raw material includes following components in terms of parts by weight：
20.6 parts of cement, 55 parts of quartz sand, 0.15 part of polycarboxylate water-reducer pulvis
8 parts of active admixture, 0.06 part of macromolecular material, 2 parts of U-shaped swelling agent
8 parts of steel fibre compound, 7.19 parts of water；
The quartz sand is by the quartz sand of 10-20 mesh, the quartz sand of 20-40 mesh, the quartz sand of 40-70 mesh and 70-120 purposes
Quartz sand is in terms of parts by weight according to 18：25：9：3 proportioning is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 1：5：2 proportioning is mixed；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：0.01 proportioning is mixed；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 2：5 proportioning mixing and
Into.
5. concrete according to claim 2, it is characterised in that its raw material includes following components in terms of parts by weight：
25.5 parts of cement, 53.5 parts of quartz sand, 2.0 parts of polycarboxylate water-reducer pulvis
6 parts of active admixture, 0.07 part of macromolecular material, 1.5 parts of U-shaped swelling agent
6 parts of steel fibre compound, 8.12 parts of water；
The quartz sand is by the quartz sand of 10-20 mesh, the quartz sand of 20-40 mesh, the quartz sand of 40-70 mesh and 70-120 purposes
Quartz sand is in terms of parts by weight according to 18：24.5：6：5 proportioning is mixed；
The active admixture by superfine silica powder, silica flour and miberal powder in terms of parts by weight according to 1：5：2 proportioning is mixed；
The macromolecular material by defoamer and cellulose in terms of parts by weight according to 0.05：0.01 proportioning is mixed；
The steel fibre compound by end hook shaped steel pricker peacekeeping copper facing steel fibre in terms of parts by weight according to 1：5 proportioning mixing and
Into.
6. a kind of production method of the concrete as described in claim 1-5 any one, it is characterised in that comprise the following steps：
Step one：Cement, quartz sand, active admixture, U-shaped swelling agent and steel fibre compound are added into forced action type by proportioning
Dry mix is obtained for 8-10 minutes with the rotary speed dry mixing of 2 seconds/circle in powder stirrer, dry mixing temperature is 5-35 DEG C；
Step 2：Proportionally polycarboxylate water-reducer pulvis and macromolecular material are dissolved in the water and obtain mixed liquor；By step
The one dry mix of gained is transferred in horizontal-type biaxial rneader, and stirring in above-mentioned mixed liquor addition horizontal-type biaxial rneader is equal
It is even, concrete is obtained final product, wherein, mixing speed is 1000-2000r/min, and whipping temp is 20-30 DEG C.
7. the production method of concrete according to claim 6, it is characterised in that also including pre-treatment step, it is described before
Process step is specifically：The steel fibre compound needs to be sieved in screening machine before addition, vibration during screening
Frequency is 120-150Hz, and the size of mesh opening of screening sieve is 1.5 times of steel fibre diameter.
8. the production method of concrete according to claim 6, it is characterised in that also including post-processing step, it is described after
Process step is specifically：Step 2 gained concrete is vibrated in mould with the frequency of vibrating of 100Hz, is obtained final product after shaping
Concrete component, then using plastic sheeting or native canvas covering curing is carried out to concrete component or is entered using 5 DEG C -35 DEG C of water
Row watering maintenance.
Priority Applications (1)
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| CN201611110621.0A CN106699051B (en) | 2016-12-06 | 2016-12-06 | A kind of concrete and its production method |
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| CN201611110621.0A CN106699051B (en) | 2016-12-06 | 2016-12-06 | A kind of concrete and its production method |
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| CN106699051B CN106699051B (en) | 2019-02-19 |
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Cited By (10)
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| CN108285307A (en) * | 2018-01-30 | 2018-07-17 | 东南大学 | A kind of assorted fibre enhancing ultra high strength concrete and preparation method thereof |
| CN108585671A (en) * | 2018-04-12 | 2018-09-28 | 东南大学 | A kind of engineered cementitious based composites and preparation method thereof |
| CN108726946A (en) * | 2018-06-28 | 2018-11-02 | 江苏东尚住宅工业有限公司 | A kind of prefabricated plate high-strength durable concrete and preparation method thereof |
| CN109437739A (en) * | 2018-11-27 | 2019-03-08 | 黄贺明 | A kind of room temperature maintaining Steel Bridge Deck concrete pavement material and preparation method thereof |
| CN111253126A (en) * | 2020-01-18 | 2020-06-09 | 杭州申华混凝土有限公司 | Environment-friendly high-strength concrete and preparation method thereof |
| CN111995332A (en) * | 2020-09-15 | 2020-11-27 | 江西龙正科技发展有限公司 | Roadbed side ditch RPC cover plate and preparation method thereof |
| CN112177049A (en) * | 2020-09-25 | 2021-01-05 | 湖南省合创渣土运输有限公司 | Well cover manufacturing method |
| CN112624673A (en) * | 2020-12-23 | 2021-04-09 | 杭州余杭恒力混凝土有限公司 | High-substitution-rate recycled aggregate concrete and preparation process thereof |
| CN112830719A (en) * | 2021-01-19 | 2021-05-25 | 上海望实建筑工程有限公司 | Preparation method of active powder concrete slab |
| CN113860811A (en) * | 2021-10-27 | 2021-12-31 | 广东鑫隆管业有限公司 | Preparation process of high-strength composite material |
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| CN102320789A (en) * | 2011-08-29 | 2012-01-18 | 四川西南交大铁路发展有限公司 | High-strength active powder concrete and preparation method |
| CN103224356A (en) * | 2013-02-07 | 2013-07-31 | 黄贺明 | Green environmentally-friendly powder reinforced concrete water delivery pipe |
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| CN102320789A (en) * | 2011-08-29 | 2012-01-18 | 四川西南交大铁路发展有限公司 | High-strength active powder concrete and preparation method |
| CN103224356A (en) * | 2013-02-07 | 2013-07-31 | 黄贺明 | Green environmentally-friendly powder reinforced concrete water delivery pipe |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285307A (en) * | 2018-01-30 | 2018-07-17 | 东南大学 | A kind of assorted fibre enhancing ultra high strength concrete and preparation method thereof |
| CN108285307B (en) * | 2018-01-30 | 2021-05-11 | 东南大学 | Hybrid fiber reinforced ultrahigh-strength concrete and preparation method thereof |
| CN108585671A (en) * | 2018-04-12 | 2018-09-28 | 东南大学 | A kind of engineered cementitious based composites and preparation method thereof |
| CN108726946A (en) * | 2018-06-28 | 2018-11-02 | 江苏东尚住宅工业有限公司 | A kind of prefabricated plate high-strength durable concrete and preparation method thereof |
| CN109437739A (en) * | 2018-11-27 | 2019-03-08 | 黄贺明 | A kind of room temperature maintaining Steel Bridge Deck concrete pavement material and preparation method thereof |
| CN111253126A (en) * | 2020-01-18 | 2020-06-09 | 杭州申华混凝土有限公司 | Environment-friendly high-strength concrete and preparation method thereof |
| CN111995332A (en) * | 2020-09-15 | 2020-11-27 | 江西龙正科技发展有限公司 | Roadbed side ditch RPC cover plate and preparation method thereof |
| CN112177049A (en) * | 2020-09-25 | 2021-01-05 | 湖南省合创渣土运输有限公司 | Well cover manufacturing method |
| CN112624673A (en) * | 2020-12-23 | 2021-04-09 | 杭州余杭恒力混凝土有限公司 | High-substitution-rate recycled aggregate concrete and preparation process thereof |
| CN112830719A (en) * | 2021-01-19 | 2021-05-25 | 上海望实建筑工程有限公司 | Preparation method of active powder concrete slab |
| CN113860811A (en) * | 2021-10-27 | 2021-12-31 | 广东鑫隆管业有限公司 | Preparation process of high-strength composite material |
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