CN109836104A - A kind of high cracking resistance Wear-resisting terrace material and preparation method thereof - Google Patents

A kind of high cracking resistance Wear-resisting terrace material and preparation method thereof Download PDF

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Publication number
CN109836104A
CN109836104A CN201910305459.5A CN201910305459A CN109836104A CN 109836104 A CN109836104 A CN 109836104A CN 201910305459 A CN201910305459 A CN 201910305459A CN 109836104 A CN109836104 A CN 109836104A
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China
Prior art keywords
parts
fiber
cracking resistance
aggregate
latex powder
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CN201910305459.5A
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Chinese (zh)
Inventor
胡国栋
周振炫
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Guangzhou Kanglei Building Materials Co Ltd
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Guangzhou Kanglei Building Materials Co Ltd
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Priority to CN201910305459.5A priority Critical patent/CN109836104A/en
Publication of CN109836104A publication Critical patent/CN109836104A/en
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Abstract

The present invention relates to building material technical fields, a kind of high cracking resistance Wear-resisting terrace material and preparation method thereof is referred in particular to, by weight includes following component: 250~550 parts of portland cement, 300~800 parts of aggregate, 0.1~50 part of admixture, 0.1~5 part of water-reducing agent, 0.1~8 part of redispersable latex powder, 0.05~5 part of fiber and 0.1~5 part of early strength agent composition.Floor material prepared by the present invention has many advantages, such as that cracking resistance anticracking, wearability are high, crushing resistance is strong, surface is hard, economy and durability, impact resistance are good, long service life, it can significantly improve the internal structure of floor material by the way that fibrous material is added, avoid the occurrence of micro-crack situation, the extension in crack is reduced, to enhance the toughness and impermeability and wearability of floor material.

Description

A kind of high cracking resistance Wear-resisting terrace material and preparation method thereof
Technical field
The present invention relates to building material technical field, a kind of high cracking resistance Wear-resisting terrace material and its preparation side are referred in particular to Method.
Background technique
Although concrete material intensity is higher, normal concrete remains some defects in use, such as Mattess easily generates dust, is prone to wear, and service performance drastically reduces at any time.Therefore, in industrial premises, parking Field, supermarket, warehouse etc. require anti impulsion load relatively frequent and require clean place, can generally pour in concrete surface in construction One layer of corundum high antifriction layer is built as floor material.
Diamond dust abrasion-proof terrace is that wear-resistant material is spread in uniform in concrete surface in the substrate concrete pre-hardening stage, It constructs through professed machine, so that it be made to form an entirety with mattess.Terrace after completion has efficient compactness, adds Times improve that terrace wearability, crushing resistance, to reduce hard dust, surface, economy and durability, the good, long service life of impact resistance etc. excellent Point.Since the construction of diamond dust abrasion-proof terrace is convenient, pollution-free, cheap, obtained at home extensively in the terrace early stage of development General utilization is widely used in the ground such as workshop, warehouse, factory.However corundum abrasion-proof terrace is still and is using cement base Cementitious material, although wear resistance and intensity improve, but still the defect of some conventional cement materials, such as be easy to crack, table There is crack in face, wherein crack, crack occurrence rate caused by deformation are relatively high.
Summary of the invention
The technical problem to be solved in the present invention is to provide the high cracking resistance of a kind of raising terrace wear resistence and wearability is wear-resisting Floor material and preparation method thereof.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of high cracking resistance Wear-resisting terrace material, is pressed Parts by weight include following component:
250~550 parts of portland cement
300~800 parts of aggregate
0.1~50 part of admixture
0.1~5 part of water-reducing agent
0.1~8 part of redispersable latex powder
0.05~5 part of fiber
0.1~5 part of early strength agent.
Preferably, by weight include following component:
260~520 parts of portland cement
340~740 parts of aggregate
2~40 parts of admixture
1~5 part of water-reducing agent
1~7 part of redispersable latex powder
1~5 part of fiber
0.1~4 part of early strength agent.
Preferably, by weight include following component:
260~500 parts of portland cement
400~700 parts of aggregate
6~35 parts of admixture
1~5 part of water-reducing agent
1~5 part of redispersable latex powder
2~5 parts of fiber
0.5~3.5 part of early strength agent.
Preferably, by weight include following component:
300~480 parts of portland cement
420~680 parts of aggregate
10~30 parts of admixture
2~5 parts of water-reducing agent
1~4 part of redispersable latex powder
2~5 parts of fiber
1~3.5 part of early strength agent.
Preferably, by weight include following component:
340~450 parts of portland cement
480~650 parts of aggregate
12~28 parts of admixture
3~5 parts of water-reducing agent
2~4 parts of redispersable latex powder
2~4 parts of fiber
1~3 part of early strength agent.
Preferably, the mesh number of the bone number is 10~60 mesh.
Preferably, the mesh number of the bone number is 15~30 mesh.
Preferably, the aggregate is metal aggregate or nonmetallic aggregate.
Preferably, the metal aggregate is one of copper ore, Brown Alundum aloxite, black corundum aloxite, white fused alumina aloxite Or several mixture.
Preferably, the metal aggregate is tin titanium alloy.
Preferably, the nonmetallic aggregate is quartz sand.
Preferably, the admixture is silicon powder or miberal powder.
Preferably, the water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene sulfonic acid-formaldehyde condensation product, melamine class diminishing One of agent, sulfamic acid class water-reducing agent.
Preferably, the redispersable latex powder is ethylene and vinyl acetate emulsion copolymer powder, vinyl acetate and versatic acid Vinyl ester copolymers, ethylene and vinyl chloride and vinyl laurate ternary polymerization latex powder, ethyl acetate homopolymerization latex powder, pure C One of olefin(e) acid polymer emulsion powder or several mixtures.
Preferably, the fiber is polypropylene fibre, vinal, polyester fiber, glass fibre, steel fibre, carbon One of fiber, nylon fiber, polyethylene fibre, polyacrylonitrile fibre, aryl polyimides fiber, wood fibre are several Mixture.
Preferably, the early strength agent is one of calcium formate, calcium nitrite, sodium sulphate or several mixtures.
A kind of preparation method of high cracking resistance Wear-resisting terrace material, including following preparation step:
Step 1: portland cement, aggregate, admixture, water-reducing agent, redispersable latex powder, early strength agent are added in reactor Stir 10~65 minutes formation mixed liquors;
Step 2: fiber is added into the mixed liquor of step 1, and stirs 10~60 minutes, obtains floor material.
Preferably, the reactor is dry powder mortar mixing machine.
The beneficial effects of the present invention are: the present invention provides a kind of high cracking resistance Wear-resisting terrace materials, after fiber incorporation, phase It may act as high modulus material, and cement slurry and fibrous material combination rear surface absorption viscosity, machinery compared with plasticity slurry Ratcheting power can significantly improve the anti-cracking performance of concrete material, while enhance its plastic tensile strength, and because dehydration is received Stress under compression is obviously smaller than material plasticity tensile strength, and cracking situation, which occurs, in material surface can also be reduced, and can significantly improve ground The internal structure of terrace material avoids the occurrence of micro-crack situation, reduces the extension in crack, to enhance the toughness of floor material and resist Infiltration property and wearability.The floor material prepared through the invention have cracking resistance anticracking, wearability are high, crushing resistance is strong, surface is hard, The advantages that economy and durability, impact resistance be good, long service life.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to embodiment, the present invention is further illustrated, real The content that the mode of applying refers to not is limitation of the invention.
A kind of high cracking resistance Wear-resisting terrace material includes following component by weight:
250~550 parts of portland cement
300~800 parts of aggregate
0.1~50 part of admixture
0.1~5 part of water-reducing agent
0.1~8 part of redispersable latex powder
0.05~5 part of fiber
0.1~5 part of early strength agent.
In the present embodiment, the mesh number of the bone number is 10~60 mesh.
In the present embodiment, the mesh number of the bone number is 15~30 mesh.
In the present embodiment, the aggregate is metal aggregate or nonmetallic aggregate.
In the present embodiment, the metal aggregate is copper ore, in Brown Alundum aloxite, black corundum aloxite, white fused alumina aloxite One or several kinds of mixtures.
In the present embodiment, the metal aggregate is tin titanium alloy.
In the present embodiment, the nonmetallic aggregate is quartz sand.
In the present embodiment, the admixture is silicon powder or miberal powder.
In the present embodiment, the water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene sulfonic acid-formaldehyde condensation product, melamine class One of water-reducing agent, sulfamic acid class water-reducing agent.
In the present embodiment, the redispersable latex powder is ethylene and vinyl acetate emulsion copolymer powder, vinyl acetate and uncle Ethylene carbonate ester copolymer, ethylene and vinyl chloride and vinyl laurate ternary polymerization latex powder, ethyl acetate homopolymerization latex powder, One of pure acrylic acid polymer emulsion powder or several mixtures.
In the present embodiment, the fiber is polypropylene fibre, vinal, polyester fiber, glass fibre, steel fibre One of dimension, carbon fiber, nylon fiber, polyethylene fibre, polyacrylonitrile fibre, aryl polyimides fiber, wood fibre Or several mixture.
In the present embodiment, the early strength agent is one of calcium formate, calcium nitrite, sodium sulphate or several mixtures.
A kind of preparation method of high cracking resistance Wear-resisting terrace material, including following preparation step:
Step 1: portland cement, aggregate, admixture, water-reducing agent, redispersable latex powder, early strength agent are added in reactor Stir 10~65 minutes formation mixed liquors;
Step 2: fiber is added into the mixed liquor of step 1, and stirs 10~60 minutes, obtains floor material.
In the present embodiment, the reactor is dry powder mortar mixing machine.
After fiber incorporation, high modulus material, and cement slurry and fibrous material knot may act as compared to plasticity slurry Conjunction rear surface absorption viscosity, mechanical ratcheting power can significantly improve the anti-cracking performance of concrete material, while it is anti-to enhance its plasticity Tensile strength, and because dehydration shrinkage stress is obviously smaller than material plasticity tensile strength, there is cracking situation in material surface It can reduce.The internal structure that can significantly improve floor material avoids the occurrence of micro-crack situation, reduces the extension in crack, thus The toughness and impermeability and wearability of enhancing floor material.The floor material prepared through the invention has cracking resistance anticracking, wear-resisting Property it is high, crushing resistance is strong, surface is hard, economy and durability, impact resistance are good, long service life the advantages that.
Furthermore ordinary portland cement can also be used, can also equally realize said effect, and portland cement and ordinary silicon 42.5 or more the strength grade of acid salt cement.
Embodiment one: based on 1000 kilograms of corundum abrasion-proof terraces of preparation, it is P II that strength grade, which is added, by following weight 377.5 kilograms of the portland cement of 42.5R, 18 kilograms of silicon powder, mesh number is 600 kilograms of quartz sand of 20, the efficient diminishing of polycarboxylic acids 0.2 kilogram of agent, 2 kilograms of ethylene and vinyl acetate emulsion copolymer powder, 2 kilograms of calcium formate are stirred 30 points into dry powder mortar mixing machine Clock adds 0.3 kilogram of polypropylene fibre after the completion of stirring, stir 40 minutes, obtain product of the present invention.
Embodiment two: based on 1000 kilograms of corundum abrasion-proof terraces of preparation, it is P II that strength grade, which is added, by following weight 375 kilograms of the portland cement of 42.5R, 20 kilograms of silicon powder, mesh number is 600 kilograms of quartz sand of 30, naphthalene sulfonic acid-formaldehyde condensation product 0.2 kilogram, vinyl acetate and 2 kilograms of vinyl versatate copolymer latex powder, 2 kilograms of calcium formate into dry powder mortar mixing machine Stirring 30 minutes adds 0.8 kilogram of polypropylene fibre after the completion of stirring, stir 40 minutes, obtain product of the present invention.
Embodiment three: based on 1000 kilograms of corundum abrasion-proof terraces of preparation, it is P II that strength grade, which is added, by following weight 370 kilograms of the portland cement of 42.5R, 25 kilograms of silicon powder, mesh number is 600 kilograms of quartz sand of 40, naphthalene sulfonic acid-formaldehyde condensation product 0.2 kilogram, vinyl acetate and 2 kilograms of vinyl versatate copolymer latex powder, 2 kilograms of calcium formate into dry powder mortar mixing machine It stirs evenly, stirring is completed to add 0.8 kilogram of polyacrylonitrile fibre, stirs 40 minutes, obtains product of the present invention.
Comparative example: by 1000 kilograms of corundum abrasion-proof terraces of preparation, sequentially adding strength grade by following weight is P II 399.8 kilograms of the portland cement of 42.5R, mesh number are 600 kilograms of quartz sand of 30, and 0.2 kilogram of naphthalene sulfonic acid-formaldehyde condensation product is extremely It is stirred evenly in dry powder mortar mixing machine, stirs 30 minutes, obtain common floor material on the market.
By national standard JC/T 906-2002 mattess cement-base wear-resistant material, GB/T 16925-1999 concrete and Its product abrasion test method, detects 28 days compression strength and flexural strength, surface strength impression diameter.Mortar'S Flowability is surveyed Surely it provides to carry out by GB/T 2419.
Resistance to compression, anti-folding and surface strength performance comparison after table one: 28 day
Compared with comparative example, 28 days compression strength of embodiment one to embodiment three are significantly improved, especially 28 days flexural strengths, It improves more significant, relative to comparative example, has been respectively increased 11%, 33%, 43%.Surface strength impression diameter performance also has accordingly Enhancing.Test result shows product of the invention relative to the common corundum floor material in comparative example, and pressure-proof and snap-resistent is strong Degree, surface hardness have biggish promotion.
Early anti-cracking behavior energy comparative test uses geometric dimension for 600mm × 600mm × 20mm rectangular plate type test specimen, will Floor material and water are added in mortar mixer, and water consumption is determined according to Mortar'S Flowability test, make the fluidity D of mixture= 120mm ± 5mm is stirred 5 minutes, in temperature (20 ± 3) degree Celsius, the indoor molding of relative humidity (60 ± 5) %, and use 2 Fan and 1 iodine-tungsten lamp is blowed by prescriptive procedure and time and illumination measures 48 hours fracture widths of surface of test piece and phase The length answered.Using the crack in confining region as this test evaluation foundation, the fracture width of surface of test piece and corresponding is measured Length, accordingly to evaluate the cracking resistance of product of the present invention.
For the impact effect in quantitative assessment crack, crack is divided into according to fracture width by Pyatyi, every level-one corresponds to one A weighted value, is as follows:
Table two: fracture width level weights value
By the length L of each crackiMultiplied by its corresponding weighted value Ai, then mutually add up obtained summation and be known as cracking Index W indicates the cracking degree of cement mortar with this, and the unit of cement mortar crack index is mm, is calculated as follows: W=∑ (AILI).
Cracking resistance compares after table three: 48 hours
Compared with comparative example, embodiment one to embodiment three shows good cracking resistance, wherein embodiment two and reality It applies example three and does not occur crack, and embodiment one there is 2 thin short crack.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of high cracking resistance Wear-resisting terrace material, it is characterised in that: by weight include following component:
250~550 parts of portland cement
300~800 parts of aggregate
0.1~50 part of admixture
0.1~5 part of water-reducing agent
0.1~8 part of redispersable latex powder
0.05~5 part of fiber
0.1~5 part of early strength agent.
2. high cracking resistance Wear-resisting terrace material according to claim 1, it is characterised in that: by weight include following component:
260~520 parts of portland cement
340~740 parts of aggregate
2~40 parts of admixture
1~5 part of water-reducing agent
1~7 part of redispersable latex powder
1~5 part of fiber
0.1~4 part of early strength agent.
3. high cracking resistance Wear-resisting terrace material according to claim 1, it is characterised in that: by weight include following component:
260~500 parts of portland cement
400~700 parts of aggregate
6~35 parts of admixture
1~5 part of water-reducing agent
1~5 part of redispersable latex powder
2~5 parts of fiber
0.5~3.5 part of early strength agent.
4. high cracking resistance Wear-resisting terrace material according to claim 1, it is characterised in that: by weight include following component:
300~480 parts of portland cement
420~680 parts of aggregate
10~30 parts of admixture
2~5 parts of water-reducing agent
1~4 part of redispersable latex powder
2~5 parts of fiber
1~3.5 part of early strength agent.
5. high cracking resistance Wear-resisting terrace material according to claim 1, it is characterised in that: by weight include following component:
340~450 parts of portland cement
480~650 parts of aggregate
12~28 parts of admixture
3~5 parts of water-reducing agent
2~4 parts of redispersable latex powder
2~4 parts of fiber
1~3 part of early strength agent.
6. according to claim 1 to high cracking resistance Wear-resisting terrace material described in 5 any one, it is characterised in that: the aggregate is Metal aggregate or nonmetallic aggregate.
7. according to claim 1 to high cracking resistance Wear-resisting terrace material described in 5 any one, it is characterised in that: described to divide again Dissipating latex powder is ethylene and vinyl acetate emulsion copolymer powder, vinyl acetate and vinyl versatate copolymer, ethylene and vinyl chloride And one of vinyl laurate ternary polymerization latex powder, ethyl acetate homopolymerization latex powder, pure acrylic acid polymer emulsion powder Or several mixture.
8. according to claim 1 to high cracking resistance Wear-resisting terrace material described in 5 any one, it is characterised in that: the fiber is Polypropylene fibre, vinal, polyester fiber, glass fibre, steel fibre, carbon fiber, nylon fiber, polyethylene fibre, One of polyacrylonitrile fibre, aryl polyimides fiber, wood fibre or several mixtures.
9. a kind of preparation method of the high cracking resistance Wear-resisting terrace material as described in claim 1 to 5 any one, feature exist In: including following preparation step:
Step 1: portland cement, aggregate, admixture, water-reducing agent, redispersable latex powder, early strength agent are added in reactor Stir 10~65 minutes formation mixed liquors;
Step 2: fiber is added into the mixed liquor of step 1, and stirs 10~60 minutes, obtains floor material.
10. the preparation method of high cracking resistance Wear-resisting terrace material according to claim 9, it is characterised in that: the reactor For dry powder mortar mixing machine.
CN201910305459.5A 2019-04-16 2019-04-16 A kind of high cracking resistance Wear-resisting terrace material and preparation method thereof Pending CN109836104A (en)

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CN112321223A (en) * 2020-10-16 2021-02-05 郭建民 High-strength, non-ignition, anti-static, non-combustion and wear-resistant floor material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
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