CN111960757A - Production process of high-strength concrete - Google Patents
Production process of high-strength concrete Download PDFInfo
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- CN111960757A CN111960757A CN202010679697.5A CN202010679697A CN111960757A CN 111960757 A CN111960757 A CN 111960757A CN 202010679697 A CN202010679697 A CN 202010679697A CN 111960757 A CN111960757 A CN 111960757A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention belongs to the technical field of concrete, in particular to a production process of high-strength concrete, and provides the following scheme, wherein the high-strength concrete comprises the following components in parts by weight: 4-18 parts of portland cement, 4-15 parts of water, 40-75 parts of river sand, 9-17 parts of fly ash, 2-6 parts of silica fume, 6-9 parts of mineral powder, 2-8 parts of quartz powder, 3-9 parts of carbon fiber, 2-8 parts of rubber fiber, 3-20 parts of concrete composite additive, 1-5 parts of rust inhibitor, 2-10 parts of water reducer and 6-20 parts of reinforcing agent; also comprises a production process of the high-strength concrete and production equipment of the high-strength concrete. The invention obviously improves the compressive strength, the elastic modulus and the flexural strength capability of the high-strength concrete, so that the high-strength concrete can more easily meet the requirement of high-strength engineering construction, the overall performance of the high-strength concrete is improved, and the application range of the high-strength concrete is enlarged.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to a production process of high-strength concrete.
Background
The concrete has good working performance, mechanical property and durability, wide production raw materials, low cost and simple production process, and becomes the most widely used building material for modern building engineering.
However, the conventional common concrete has low compressive strength and is difficult to meet the construction requirements, and therefore, a production process of high-strength concrete is required for the conventional common concrete.
Disclosure of Invention
The production process of the high-strength concrete provided by the invention solves the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the high-strength concrete comprises the following components in parts by mass: 4-18 parts of portland cement, 4-15 parts of water, 40-75 parts of river sand, 9-17 parts of fly ash, 2-6 parts of silica fume, 6-9 parts of mineral powder, 2-8 parts of quartz powder, 3-9 parts of carbon fiber, 2-8 parts of rubber fiber, 3-20 parts of concrete composite additive, 1-5 parts of rust inhibitor, 2-10 parts of water reducer and 6-20 parts of reinforcing agent.
Preferably, the components and contents of the high-strength concrete are as follows: 15 parts of Portland cement, 9 parts of water, 62 parts of river sand, 15 parts of fly ash, 4 parts of silica fume, 7 parts of mineral powder, 5 parts of quartz powder, 6 parts of carbon fiber, 4 parts of rubber fiber, 11 parts of concrete composite additive, 4 parts of rust inhibitor, 8 parts of water reducer and 14 parts of reinforcing agent.
The production process of the high-strength concrete comprises the following steps:
s1, adding the components of the high-strength concrete into the reaction container, and uniformly stirring to form concrete slurry;
s2, standing the concrete slurry prepared in the S1 at room temperature for 20-36h, and curing and forming to form a concrete intermediate;
s3, placing the concrete intermediate obtained in the step S2 in steam at 70-100 ℃ for curing for 36-72h to obtain the high-strength concrete.
The production equipment of the high-strength concrete comprises a stirring tank, wherein the bottom of one side of the stirring tank is communicated with a conveying tank arranged along the horizontal direction, a baffle plate which is obliquely arranged is fixedly connected below one side of the stirring tank away from the conveying tank, a main stirring rod which is movably sleeved with the baffle plate is arranged in the stirring tank, the main stirring rod is arranged along the vertical direction, one end of the main stirring rod extending out of the bottom of the clapboard is connected with a switching mechanism, an auxiliary stirring rod which is horizontally arranged and movably sleeved with the partition plate is arranged in the conveying tank, a driven rod which is movably sleeved with the conveying tank is arranged at one end of the auxiliary stirring rod, which is far away from the stirring tank, a rotary table for keeping the auxiliary stirring rod balanced is fixedly sleeved on the outer ring of the driven rod, the top and the bottom of the rotary table are fixedly connected with transverse turnover plates which are distributed along the driven rod array, and the transverse turnover plate is fixedly connected with the driven rod, and one side of the transverse turnover plate, which is far away from the driven rod, is provided with discharge channels which are distributed at equal intervals along the length direction of the driven rod.
Preferably, the support is installed to the bottom of transport tank, and the internally mounted of support has the diaphragm, and driving motor is installed to the bottom of diaphragm, and the one end that main puddler stretches out from the agitator tank bottom is passed through the shaft coupling and is connected with driving motor, and the one end outer lane that main puddler stretches out the agitator tank bottom is connected through the mode of sprocket chain with the one end outer lane that the follower lever stretches out the transport tank bottom between.
Preferably, the switching mechanism comprises a first bevel gear fixedly sleeved with the main stirring rod, and a second bevel gear fixedly sleeved with the auxiliary stirring rod is meshed with one side of the first bevel gear.
Preferably, the top rigid coupling of main puddler has the dispersion impeller of the most advanced conical structure in top, and the top rigid coupling of dispersion impeller has along its axis array distribution's dispersion board, and the first stirring vane of the fixed helical structure who cup joints with main puddler is installed to the bottom of dispersion impeller.
Preferably, the outer ring of the auxiliary stirring rod is fixedly sleeved with a second stirring blade of a spiral structure, the outer ring of the turntable is provided with a guide groove of an annular structure, the guide groove is connected with the auxiliary stirring rod in a sliding manner, and a discharge hole is formed in the lower portion of one side, away from the stirring tank, of the conveying tank.
In the present invention,
through the improvement type high strength concrete that sets up and high strength concrete's production facility, obviously improved high strength concrete's compressive strength, elastic modulus and rupture strength ability, and then make high strength concrete satisfy high strength engineering construction's requirement more easily, improved high strength concrete's wholeness ability, improved high strength concrete's application range.
Drawings
FIG. 1 is a schematic structural view of a high-strength concrete production facility according to the present invention;
FIG. 2 is a schematic structural diagram of a turntable of a high-strength concrete production facility according to the present invention;
fig. 3 is a partially enlarged structural schematic view of a high-strength concrete production apparatus according to the present invention.
In the figure: 1 stirring tank, 2 conveying tanks, 3 partition plates, 4 main stirring rods, 5 switching mechanisms, 6 first stirring blades, 8 auxiliary stirring rods, 9 second stirring blades, 10 driven rods, 11 rotating discs, 12 turning plates, 13 discharge channels, 14 discharge holes, 15 supports and 16 guide grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, the high-strength concrete comprises the following components in parts by mass: 4-18 parts of portland cement, 4-15 parts of water, 40-75 parts of river sand, 9-17 parts of fly ash, 2-6 parts of silica fume, 6-9 parts of mineral powder, 2-8 parts of quartz powder, 3-9 parts of carbon fiber, 2-8 parts of rubber fiber, 3-20 parts of concrete composite additive, 1-5 parts of rust inhibitor, 2-10 parts of water reducer and 6-20 parts of reinforcing agent.
The first embodiment is as follows:
the components and contents of the high-strength concrete are as follows: 15 parts of Portland cement, 9 parts of water, 62 parts of river sand, 15 parts of fly ash, 4 parts of silica fume, 7 parts of mineral powder, 5 parts of quartz powder, 6 parts of carbon fiber, 4 parts of rubber fiber, 11 parts of concrete composite additive, 4 parts of rust inhibitor, 8 parts of water reducer and 14 parts of reinforcing agent.
The production process of the high-strength concrete comprises the following steps:
s1, adding the components of the high-strength concrete into the reaction container, and uniformly stirring to form concrete slurry;
s2, standing the concrete slurry prepared in the S1 at room temperature for 20-36h, and curing and forming to form a concrete intermediate;
s3, placing the concrete intermediate obtained in the step S2 in steam at 70-100 ℃ for curing for 36-72h to obtain the high-strength concrete.
Production equipment of high-strength concrete comprises a stirring tank 1, wherein the bottom of one side of the stirring tank 1 is communicated with a conveying tank 2 arranged along the horizontal direction, a baffle plate 3 arranged obliquely is fixedly connected to the lower part of one side of the stirring tank 1 far away from the conveying tank 2, a main stirring rod 4 movably sleeved with the baffle plate 3 is arranged inside the stirring tank 1, the main stirring rod 4 is arranged along the vertical direction, one end of the main stirring rod 4 extending out of the bottom of the baffle plate 3 is connected with a switching mechanism 5, an auxiliary stirring rod 8 horizontally arranged and movably sleeved with the baffle plate 3 is arranged inside the conveying tank 2, one end of the auxiliary stirring rod 8 far away from the stirring tank 1 is provided with a driven rod 10 movably sleeved with the conveying tank 2, a rotary table 11 for keeping the balance of the auxiliary stirring rod 8 is fixedly sleeved on the outer ring of the driven rod 10, transverse turnover plates 12 distributed along the driven rod 10 in an array are fixedly connected to the top and the bottom of the rotary table 11, and the transverse turnover, and a discharging channel 13 which is distributed at equal intervals along the length direction of the driven rod 10 is arranged on one side of the transverse overturning plate 12, which is far away from the driven rod 10.
Specifically, support 15 is installed to the bottom of transport jar 2, and the internally mounted of support 15 has the diaphragm, and driving motor is installed to the bottom of diaphragm, and the one end that main puddler 4 stretches out from 1 bottom of agitator tank is passed through the shaft coupling and is connected with driving motor, and the one end outer lane that main puddler 4 stretches out 1 bottom of agitator tank is connected through the mode of sprocket chain between the one end outer lane that driven lever 10 stretches out transport jar 2 bottom.
In particular, the switching mechanism 5 comprises a first bevel gear fixedly sleeved with the main stirring rod 4, and a second bevel gear fixedly sleeved with the auxiliary stirring rod 8 is meshed with one side of the first bevel gear.
It is worth to say that, the top rigid coupling of main puddler 4 has the dispersion impeller 5 of the most advanced conical structure in top, and the top rigid coupling of dispersion impeller 5 has the dispersion board of distributing along its axis array, and the first stirring vane 6 of helical structure that fixedly cup jointed with main puddler 4 is installed to the bottom of dispersion impeller 5.
In addition, the outer ring of the auxiliary stirring rod 8 is fixedly sleeved with a second stirring blade 9 with a spiral structure, the outer ring of the turntable 11 is provided with a guide groove 16 with an annular structure, the guide groove 16 is connected with the auxiliary stirring rod 8 in a sliding manner, and a discharge hole 14 is formed below one side of the conveying tank 2 away from the stirring tank 1;
example two:
16 parts of portland cement, 10 parts of water, 60 parts of river sand, 12 parts of fly ash, 3 parts of silica fume, 5 parts of mineral powder, 4 parts of quartz powder, 6.7 parts of carbon fiber, 5.1 parts of rubber fiber, 12 parts of concrete composite additive, 3.5 parts of rust inhibitor, 5.8 parts of water reducer and 12 parts of reinforcing agent;
example three:
17 parts of portland cement, 12 parts of water, 58 parts of river sand, 13 parts of fly ash, 4 parts of silica fume, 6.2 parts of mineral powder, 3.5 parts of quartz powder, 7.2 parts of carbon fiber, 5.5 parts of rubber fiber, 13 parts of concrete composite additive, 3 parts of rust inhibitor, 7 parts of water reducer and 12 parts of reinforcing agent;
as in table 1 below: experimental data for a high-Strength concrete production facility manufactured for use with the high-Strength concrete production facility
Compressive strength (MPa) flexural strength (MPa) modulus of elasticity (MPa)
As in table 2 below: experimental control data for a high-strength concrete production facility prepared without the use of a high-strength concrete production facility
Compressive strength (MPa) flexural strength (MPa) modulus of elasticity (MPa)
According to the comparison of the data of the examples 1 to 3 in the table 1, the compressive strength, the elastic modulus and the flexural strength of the high-strength concrete are obviously improved by controlling the use amounts of the carbon fiber and the rubber fiber in the preparation process of the high-strength concrete;
according to the comparison of the data of examples 1 to 3 in table 2, the compressive strength, the elastic modulus and the flexural strength of the strength concrete are improved by preparing the strength concrete using the improved high strength concrete production equipment;
when using the production facility of the high strength concrete of improvement type, throw into the preliminary mixing through first stirring vane 6 with the raw materials from the top of agitator tank 1 according to step S1, then carry out three-dimensional mixing once more along agitator tank 1 entering transport tank 2' S inside, second stirring vane 9, the raw materials with preliminary mixing is carried along the mixed transport of horizontal direction spiral marching formula, then returning face plate 12 and carousel 11 that are located on the follower lever 10 carry out the horizontal shear mixing with the raw materials, make along the horizontal effort of the straight fibre under the spiral marching formula mixing action, make the fibre distribute in the middle of the raw materials according to the mode of difference, thereby avoid the fibre to distribute along same direction, thereby improve fibrous multi-direction pulling dynamics, improve the holistic compressive strength of muddy earth, elastic modulus and rupture strength ability.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The high-strength concrete is characterized by comprising the following components in parts by mass: 4-18 parts of portland cement, 4-15 parts of water, 40-75 parts of river sand, 9-17 parts of fly ash, 2-6 parts of silica fume, 6-9 parts of mineral powder, 2-8 parts of quartz powder, 3-9 parts of carbon fiber, 2-8 parts of rubber fiber, 3-20 parts of concrete composite additive, 1-5 parts of rust inhibitor, 2-10 parts of water reducer and 6-20 parts of reinforcing agent.
2. The high strength concrete according to claim 1, wherein the components and contents of the high strength concrete are as follows: 15 parts of Portland cement, 9 parts of water, 62 parts of river sand, 15 parts of fly ash, 4 parts of silica fume, 7 parts of mineral powder, 5 parts of quartz powder, 6 parts of carbon fiber, 4 parts of rubber fiber, 11 parts of concrete composite additive, 4 parts of rust inhibitor, 8 parts of water reducer and 14 parts of reinforcing agent.
3. The production process of the high-strength concrete is characterized by comprising the following steps of:
s1, adding the components of the high-strength concrete into the reaction container, and uniformly stirring to form concrete slurry;
s2, standing the concrete slurry prepared in the S1 at room temperature for 20-36h, and curing and forming to form a concrete intermediate;
s3, placing the concrete intermediate obtained in the step S2 in steam at 70-100 ℃ for curing for 36-72h to obtain the high-strength concrete.
4. The production equipment of the high-strength concrete according to any one of claims 1 to 3, comprising a stirring tank (1), and is characterized in that the bottom of one side of the stirring tank (1) is communicated with a conveying tank (2) arranged along the horizontal direction, a baffle (3) which is obliquely arranged is fixedly connected below one side of the stirring tank (1) far away from the conveying tank (2), a main stirring rod (4) which is movably sleeved with the baffle (3) is arranged inside the stirring tank (1), the main stirring rod (4) is arranged along the vertical direction, one end of the main stirring rod (4) extending out of the bottom of the baffle (3) is connected with a switching mechanism (5), an auxiliary stirring rod (8) which is horizontally arranged and movably sleeved with the baffle (3) is arranged inside the conveying tank (2), one end of the auxiliary stirring rod (8) far away from the stirring tank (1) is provided with a driven rod (10) which is movably sleeved with the conveying tank (2), the outer lane of driven lever (10) is fixed to be cup jointed and is used for keeping carousel (11) balanced of vice puddler (8), and the equal rigid coupling in top and the bottom of carousel (11) has along horizontal returning face plate (12) of driven lever (10) array distribution, and horizontal returning face plate (12) and driven lever (10) rigid coupling, and discharge passageway (13) along driven lever (10) length direction equidistance distribution are seted up to one side that driven lever (10) were kept away from in horizontal returning face plate (12).
5. The production equipment of the high-strength concrete according to claim 4, characterized in that a support (15) is installed at the bottom of the conveying tank (2), a transverse plate is installed inside the support (15), a driving motor is installed at the bottom of the transverse plate, one end of the main stirring rod (4) extending out of the bottom of the stirring tank (1) is connected with the driving motor through a coupler, and an outer ring of one end of the main stirring rod (4) extending out of the bottom of the stirring tank (1) is connected with an outer ring of one end of the driven rod (10) extending out of the bottom of the conveying tank (2) through a chain wheel and chain.
6. The production equipment of high-strength concrete according to claim 4, wherein the adapter mechanism (5) comprises a first bevel gear fixedly sleeved with the main stirring rod (4), and a second bevel gear fixedly sleeved with the auxiliary stirring rod (8) is meshed with one side of the first bevel gear.
7. The production equipment of high-strength concrete according to claim 4, wherein the top of the main stirring rod (4) is fixedly connected with a dispersion plate (5) with a conical structure with a top tip, the top of the dispersion plate (5) is fixedly connected with dispersion plates distributed along the axis array of the dispersion plate, and the bottom of the dispersion plate (5) is provided with a first stirring blade (6) with a spiral structure fixedly sleeved with the main stirring rod (4).
8. The production equipment of the high-strength concrete according to claim 4, wherein the outer ring of the auxiliary stirring rod (8) is fixedly sleeved with the second stirring blade (9) with a spiral structure, the outer ring of the rotary table (11) is provided with a guide groove (16) with an annular structure, the guide groove (16) is connected with the auxiliary stirring rod (8) in a sliding manner, and a discharge hole (14) is formed below one side of the conveying tank (2) far away from the stirring tank (1).
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| CN202010679697.5A CN111960757A (en) | 2020-07-15 | 2020-07-15 | Production process of high-strength concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441783A (en) * | 2020-11-26 | 2021-03-05 | 罗洪湖 | Formula, production process and preparation device of heat-preservation sound-insulation concrete material |
| CN115091585A (en) * | 2022-06-06 | 2022-09-23 | 中国建筑第七工程局有限公司 | Fiber orientation guiding device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441783A (en) * | 2020-11-26 | 2021-03-05 | 罗洪湖 | Formula, production process and preparation device of heat-preservation sound-insulation concrete material |
| CN115091585A (en) * | 2022-06-06 | 2022-09-23 | 中国建筑第七工程局有限公司 | Fiber orientation guiding device |
| CN115091585B (en) * | 2022-06-06 | 2023-10-27 | 中国建筑第七工程局有限公司 | Fiber orientation guiding device |
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Application publication date: 20201120 |