CN116835930A - Super wear-resistant ground concrete and preparation method thereof - Google Patents

Super wear-resistant ground concrete and preparation method thereof Download PDF

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Publication number
CN116835930A
CN116835930A CN202310933422.3A CN202310933422A CN116835930A CN 116835930 A CN116835930 A CN 116835930A CN 202310933422 A CN202310933422 A CN 202310933422A CN 116835930 A CN116835930 A CN 116835930A
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CN
China
Prior art keywords
concrete
wear
resistant
ground
water
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Pending
Application number
CN202310933422.3A
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Chinese (zh)
Inventor
杜浩洋
杨杰
谢金龙
刘海风
隋宇
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Beijing Zhuzong New Building Materials Co ltd
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Beijing Zhuzong New Building Materials Co ltd
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Priority to CN202310933422.3A priority Critical patent/CN116835930A/en
Publication of CN116835930A publication Critical patent/CN116835930A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/2038Resistance against physical degradation
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention discloses super wear-resistant ground concrete, which comprises the following components of fine aggregate, coarse aggregate, cementing material, water, rubber powder, wear-resistant fiber and water reducing agent. The ground concrete adopts clean fine aggregate and coarse aggregate, the water content of the ground concrete is determined, the water content of the ground concrete is converted into the water consumption, on the basis of the existing concrete ground technology, a large number of tests are used for adjustment and verification, and part of wear-resistant fibers, rubber powder and water reducing agents are added, so that the overall wear resistance and compressive strength of the concrete are changed, the compactness, tensile and shear resistance of the concrete can be enhanced, the overall wear resistance is obviously improved, the service life is prolonged, the compressive strength can be integrally improved by 25%, the technical means of adding corner shock-proof pads and key areas in the construction process are added, the risk of overall life reduction caused by cracks at corners and key areas of a ground pavement is reduced, the construction process is simple, the construction period is short, and the construction quality is easy to control.

Description

Super wear-resistant ground concrete and preparation method thereof
Technical Field
The invention relates to the technical field of pavement concrete, in particular to super wear-resistant pavement concrete and a preparation method thereof.
Background
At present, various ground pavements of underground garages, logistics warehouses, industrial plants and public areas are basically made of common concrete. The common concrete is artificial stone which is prepared by taking cement as a main cementing material, mixing with water, sand and cobble, doping chemical additives and mineral admixtures when necessary, mixing according to a proper proportion, uniformly stirring, compacting, forming, curing and hardening, wherein the technical properties of the concrete are determined by the properties of raw materials and the relative content of the raw materials to a great extent. And also related to the construction process (stirring, forming and curing). Therefore, the quality of the concrete can be ensured only by reasonably selecting the raw materials according to the properties, the functions and the quality requirements of the raw materials of the concrete.
The common concrete floor has the following defects: the prior art mainly adds carborundum or terrazzo into common concrete, and the carborundum or terrazzo can play a certain role, but only acts on the surface, the lower surface or the concrete foundation, only solves the problem of surface sanding in a short period, still cannot bear the heavy pressure, and the service life cannot be obviously improved.
Disclosure of Invention
The invention aims to provide super wear-resistant ground concrete and a preparation method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the super wear-resistant ground concrete comprises the following components of fine aggregate, coarse aggregate, cementing material, water, rubber powder, wear-resistant fibers and a water reducing agent.
Preferably, the ground concrete comprises the following components of, by weight, 100 parts of fine aggregate, 90 parts of coarse aggregate, 30 parts of cementing material, 15 parts of water, 1 part of rubber powder, 1 part of wear-resistant fiber and 0.5 part of water reducer.
Preferably, the water content of the ground concrete is converted into the water consumption by determining the water content of the fine aggregate and the coarse aggregate.
Preferably, the wear-resistant fiber is one or a mixture of more of asbestos fiber, steel fiber, glass fiber, polypropylene fiber, carbon fiber and plant fiber.
Preferably, the diameter of the wear-resistant fiber is 2-5 mu m, and the length of the wear-resistant fiber is 5-20 mm.
Preferably, the ground concrete is applied to the pouring of super wear-resisting ground, super wear-resisting ground includes concrete road surface body, corner shock pad, elastic webbing and road surface basic unit, and the corner of concrete road surface body is pour and is equipped with the corner shock pad, and concrete road surface body is pour and is laid at the top of road surface basic unit, is equipped with the elastic webbing between road surface basic unit and the concrete road surface body, is equipped with the setting element between corner shock pad and the concrete road surface body, is equipped with the locating lever between elastic webbing and the concrete road surface body, the lower extreme of locating lever is located in the road surface basic unit.
A preparation method of super wear-resistant ground concrete comprises the following specific steps:
step 1, selecting materials: clean coarse aggregate and fine aggregate are selected, the water content of the coarse aggregate and the fine aggregate is determined, and the water content of the coarse aggregate and the fine aggregate is converted into the water consumption of the ground concrete;
step 2, primary stirring: according to the weight parts of the components of the ground concrete, 100 parts of fine aggregate, 90 parts of aggregate and 30 parts of gel material are simultaneously put into a high-power stirring device, part of water is added for stirring, and the mixture is uniformly stirred to obtain concrete precursor slurry;
step 3, secondary stirring: adding 1 part of rubber powder, 1 part of wear-resistant fiber, 0.5 part of water reducing agent and the rest of water into the concrete precursor slurry in the high-power stirrer, and continuously stirring until the mixture is completely uniform to obtain ground concrete slurry;
step 4, stirring and transporting: adopting concrete transportation equipment to transport the ground concrete slurry to a laying and pouring site of the super wear-resistant ground;
step 5, molding: according to the requirement of paving and pouring the super wear-resistant pavement, in the construction process of manufacturing the concrete pavement body by pouring ground concrete slurry, corner shock-proof pads and positioning pieces are added to corners of the concrete pavement body, and when the super wear-resistant pavement is poured in a key area, elastic meshes and positioning rods are added between the concrete pavement body and a pavement base layer.
Preferably, the time of the one stirring is 10 seconds.
The invention has the following advantages: 1. the super wear-resistant ground concrete is prepared from fine aggregate, coarse aggregate, cementing material, water, rubber powder, wear-resistant fiber and water reducing agent, wherein clean fine aggregate and coarse aggregate are selected, the water content of the ground concrete is determined, the water content of the ground concrete is converted into water consumption, and on the basis of the existing concrete ground technology, a large number of tests are used for adjustment and verification, and part of wear-resistant fiber, rubber powder and water reducing agent are added, so that the overall wear resistance and compressive strength of the concrete are changed, the compactness, tensile and shear resistance of the concrete can be enhanced, and the overall wear resistance is obviously improved, so that the service life is prolonged, and the compressive strength can be integrally improved by 25%.
2. According to the super wear-resistant ground concrete and the preparation method thereof, the ground concrete is applied to pouring of the super wear-resistant ground, the technical means that the elastic net sheets are added by additionally arranging the corner shock-proof pads and the key areas in the construction process, the risk that the overall service life is reduced due to cracks on the corners and the key areas of the ground pavement is greatly reduced, and the strength of a pouring structure is increased through the locating pieces and the locating rods between the corner shock-proof pads, the elastic net sheets and the concrete pavement body.
3. The super wear-resistant ground concrete and the preparation method thereof have the advantages that the ground concrete preparation process is simple and convenient, in the concrete preparation process, the ground concrete components are put into a high-power stirring device for two times, the added wear-resistant fibers, rubber powder and precipitation agent components are fully and uniformly mixed with other materials by prolonging the stirring time, the advantage effect of the super wear-resistant ground concrete is obviously improved in a physical product, the purpose of wear resistance is achieved, the construction process is simple, the construction period is short, the construction quality is easy to control, the early construction cost is low, and the later stage basically does not need maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the concrete pavement of the present invention.
In the figure: 1. a concrete pavement body; 2. corner shockproof pads; 21. a positioning piece; 3. an elastic mesh; 31. a positioning rod; 4. a pavement base layer.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1, the ultra-wear-resistant ground concrete comprises fine aggregate, coarse aggregate, cementing material, water, rubber powder, wear-resistant fiber and water reducing agent, wherein the rubber powder, the wear-resistant fiber and the water reducing agent can enhance compactness, tensile and shearing resistance, and the overall wear resistance is obviously improved, so that the risk of cracking is effectively relieved, and the service life is prolonged.
Specifically, in the components of the ground concrete, 100 parts of fine aggregate, 90 parts of coarse aggregate, 30 parts of cementing material, 15 parts of water, 1 part of rubber powder, 1 part of wear-resistant fiber and 0.5 part of water reducing agent are calculated according to parts by weight, 90 parts of original 80 parts of coarse aggregate are changed into 90 parts of original 25 parts of cementing material are changed into 30 parts of cementing material, and the two technical adjustment means can integrally improve the compressive strength by 25%, effectively increase the capacity and prolong the service life.
Further, the water content of the ground concrete is converted into the water consumption by determining the water content of the fine aggregate and the coarse aggregate, so that the water content of the ground concrete is controlled more accurately.
Furthermore, the wear-resistant fiber is preferably one or more of asbestos fiber, steel fiber, glass fiber, polypropylene fiber, carbon fiber and plant fiber, and is uniformly dispersed in the ground concrete, so that the ground laid by the ground concrete is better in wear resistance.
Further, the diameter of the wear-resistant fiber is 2-5 mu m, the length of the wear-resistant fiber is 5-20 mm, and the wear-resistant fiber is more uniformly dispersed.
Further, the ground concrete is applied to the pouring of super wear-resisting ground, super wear-resisting ground includes concrete road surface body 1, corner shock pad 2, elastic net piece 3 and road surface basic unit 4, the corner of concrete road surface body 1 is pour and is equipped with corner shock pad 2, concrete road surface body 1 is pour and is laid at the top of road surface basic unit 4, be equipped with elastic net piece 3 between road surface basic unit 4 and the concrete road surface body 1, be equipped with setting element 21 between corner shock pad 2 and the concrete road surface body 1, be equipped with locating lever 31 between elastic net piece 3 and the concrete road surface body 1, the lower extreme of locating lever 31 is located in road surface basic unit 4, through setting element 21, the intensity of pouring the structure is increased to the locating lever 31 between corner shock pad 2, elastic net piece 3 and the concrete road surface body 1, through the technological means that adds to establish corner shock pad 2, key area increase elastic net piece 3 in the work progress, greatly reduced ground road surface's corner and key area take place the risk that the crack leads to whole life-span to decline.
A preparation method of super wear-resistant ground concrete comprises the following specific steps:
step 1, selecting materials: clean coarse aggregate and fine aggregate are selected, the water content of the coarse aggregate and the fine aggregate is determined, and the water content of the coarse aggregate and the fine aggregate is converted into the water consumption of the ground concrete;
step 2, primary stirring: according to the weight parts of the components of the ground concrete, 100 parts of fine aggregate, 90 parts of aggregate and 30 parts of gel material are simultaneously put into a high-power stirring device, part of water is added for stirring, and the mixture is uniformly stirred to obtain concrete precursor slurry;
step 3, secondary stirring: adding 1 part of rubber powder, 1 part of wear-resistant fiber, 0.5 part of water reducing agent and the rest of water into the concrete precursor slurry in the high-power stirrer, and continuously stirring until the mixture is completely uniform to obtain ground concrete slurry;
step 4, stirring and transporting: adopting concrete transportation equipment to transport the ground concrete slurry to a laying and pouring site of the super wear-resistant ground;
step 5, molding: according to the requirement of paving and pouring the super wear-resistant pavement, in the construction process of manufacturing the concrete pavement body 1 by pouring ground concrete slurry, the corner shock-proof pad 2 and the positioning piece 21 are added to the corner of the concrete pavement body 1, and the elastic net piece 3 and the positioning rod 31 are added to the space between the concrete pavement body 1 and the pavement base layer 4 when the super wear-resistant pavement is poured in the key area.
Further, the time of the one stirring is 10 seconds.
The application method of the embodiment is as follows: according to the weight portions of the components of the ground concrete, 100 portions of fine aggregate, 90 portions of aggregate and 30 portions of gel material are simultaneously put into a high-power stirring device, partial water is added for stirring, after 10 seconds of primary stirring, 1 portion of rubber powder, 1 portion of wear-resistant fiber, 0.5 portion of water reducing agent and the rest of water are added into the high-power stirring device for continuous stirring until the components are completely uniform, the ground concrete slurry is obtained, the ground concrete slurry is transported to a paving and pouring site of the super wear-resistant ground by adopting concrete transportation equipment, according to the paving and pouring requirements of the super wear-resistant road, in the construction process of manufacturing the concrete pavement body 1 by pouring the ground concrete slurry, the corner shock-resistant pad 2 and the positioning piece 21 are added to the concrete pavement body 1, and when pouring the super wear-resistant pavement key area is poured, the elastic net piece 3 and the positioning rod 31 are added between the concrete pavement body 1 and the pavement base layer 4, based on the existing concrete ground technology, a large number of experiments are carried out to adjust and verify, part of wear-resistant fibers, rubber powder and water reducing agent are added, so that the overall wear resistance and compressive strength of the concrete are changed, the compactness, tensile and shearing resistance of the concrete can be enhanced, the overall wear resistance is obviously improved, the service life is prolonged, the compressive strength can be integrally improved by 25%, the technical means that the elastic net sheets are added by adding corner shock-proof pads and key areas in the construction process is adopted, the risk that the overall service life is reduced due to cracks of the corners and key areas of the ground pavement is greatly reduced, in the concrete manufacturing process of the ground, the ground concrete components are added into a high-power stirring tool for two times, the added wear-resistant fibers, rubber powder and water reducing agent components are fully and uniformly mixed with other materials by prolonging the stirring time, the advantage of the method is obviously increased in the physical product, the purpose of wear resistance is achieved, the preparation process is simple and convenient, the technical scheme is simple and convenient in construction method, the construction process is simple, the construction period is short, the construction quality is easy to control, the early construction cost is low, and maintenance is not needed basically in the later stage.

Claims (8)

1. A super wear-resistant ground concrete is characterized in that: the ground concrete comprises the components of fine aggregate, coarse aggregate, cementing material, water, rubber powder, wear-resistant fiber and water reducing agent.
2. The ultra-wear-resistant ground concrete according to claim 1, wherein: the ground concrete comprises the following components of, by weight, 100 parts of fine aggregate, 90 parts of coarse aggregate, 30 parts of cementing material, 15 parts of water, 1 part of rubber powder, 1 part of wear-resistant fiber and 0.5 part of water reducer.
3. The ultra-wear-resistant ground concrete according to claim 1, wherein: the water content of the fine aggregate and the coarse aggregate is converted into the water consumption by determining the water content of the fine aggregate and the coarse aggregate.
4. The ultra-wear-resistant ground concrete according to claim 1, wherein: the wear-resistant fiber is preferably one or a mixture of more than one of asbestos fiber, steel fiber, glass fiber, polypropylene fiber, carbon fiber and plant fiber.
5. The ultra-wear-resistant ground concrete according to claim 1, wherein: the diameter of the wear-resistant fiber is 2-5 mu m, and the length of the wear-resistant fiber is 5-20 mm.
6. The ultra-wear-resistant ground concrete according to claim 1, wherein: the super wear-resistant floor is characterized in that ground concrete is applied to pouring of super wear-resistant floors, the super wear-resistant floors comprise concrete pavement bodies (1), corner shock-resistant pads (2), elastic net pieces (3) and pavement base layers (4), the corner of each concrete pavement body (1) is poured and provided with the corner shock-resistant pad (2), each concrete pavement body (1) is poured and paved at the top of each pavement base layer (4), each elastic net piece (3) is arranged between each pavement base layer (4) and each concrete pavement body (1), positioning pieces (21) are arranged between each corner shock-resistant pad (2) and each concrete pavement body (1), positioning rods (31) are arranged between each elastic net piece (3) and each concrete pavement body (1), and the lower ends of the positioning rods (31) are arranged in the corresponding pavement base layers (4).
7. A method for preparing the ultra-wear-resistant ground concrete according to claim 1, which is characterized in that: the preparation method of the ground concrete comprises the following specific steps:
step 1, selecting materials: clean coarse aggregate and fine aggregate are selected, the water content of the coarse aggregate and the fine aggregate is determined, and the water content of the coarse aggregate and the fine aggregate is converted into the water consumption of the ground concrete;
step 2, primary stirring: according to the weight parts of the components of the ground concrete, 100 parts of fine aggregate, 90 parts of aggregate and 30 parts of gel material are simultaneously put into a high-power stirring device, part of water is added for stirring, and the mixture is uniformly stirred to obtain concrete precursor slurry;
step 3, secondary stirring: adding 1 part of rubber powder, 1 part of wear-resistant fiber, 0.5 part of water reducing agent and the rest of water into the concrete precursor slurry in the high-power stirrer, and continuously stirring until the mixture is completely uniform to obtain ground concrete slurry;
step 4, stirring and transporting: adopting concrete transportation equipment to transport the ground concrete slurry to a laying and pouring site of the super wear-resistant ground;
step 5, molding: according to the requirement of super wear-resisting pavement paving and pouring, in the construction process of manufacturing the concrete pavement body (1) by pouring ground concrete slurry, corner shock-proof pads (2) and locating pieces (21) are added to the corners of the concrete pavement body (1), and when the super wear-resisting pavement key areas are poured, elastic meshes (3) and locating rods (31) are added between the concrete pavement body (1) and the pavement base layer (4).
8. The method for preparing the super wear-resistant ground concrete according to claim 7, wherein the method comprises the following steps: the time of the one stirring was 10 seconds.
CN202310933422.3A 2023-07-27 2023-07-27 Super wear-resistant ground concrete and preparation method thereof Pending CN116835930A (en)

Priority Applications (1)

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CN202310933422.3A CN116835930A (en) 2023-07-27 2023-07-27 Super wear-resistant ground concrete and preparation method thereof

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Application Number Priority Date Filing Date Title
CN202310933422.3A CN116835930A (en) 2023-07-27 2023-07-27 Super wear-resistant ground concrete and preparation method thereof

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587102A (en) * 2016-03-01 2016-05-18 黑龙江泽林科技有限公司 Construction method of wet-on-wet paving type high abrasion resistance terrace
CN111100616A (en) * 2020-01-03 2020-05-05 中国石油化工股份有限公司 Cement slurry system for casing well cementation
CN114477896A (en) * 2022-01-17 2022-05-13 中国电建集团西北勘测设计研究院有限公司 Ultrahigh-performance impact-resistant and wear-resistant concrete and preparation method thereof
CN115028419A (en) * 2022-08-15 2022-09-09 中国建筑第六工程局有限公司 Design method for self-compacting concrete mix proportion
CN115749193A (en) * 2022-10-18 2023-03-07 中国建筑第二工程局有限公司 Flatness and anti-cracking control construction method for super-large-area terrace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587102A (en) * 2016-03-01 2016-05-18 黑龙江泽林科技有限公司 Construction method of wet-on-wet paving type high abrasion resistance terrace
CN111100616A (en) * 2020-01-03 2020-05-05 中国石油化工股份有限公司 Cement slurry system for casing well cementation
CN114477896A (en) * 2022-01-17 2022-05-13 中国电建集团西北勘测设计研究院有限公司 Ultrahigh-performance impact-resistant and wear-resistant concrete and preparation method thereof
CN115028419A (en) * 2022-08-15 2022-09-09 中国建筑第六工程局有限公司 Design method for self-compacting concrete mix proportion
CN115749193A (en) * 2022-10-18 2023-03-07 中国建筑第二工程局有限公司 Flatness and anti-cracking control construction method for super-large-area terrace

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