A method of constructing a wear resistant floor

Abstract

The present application relates to the technical field of wear-resistant floor construction technology, and discloses a construction method of wear-resistant floor. The method comprises the following steps: (1) applying a base layer to a sweeping interface agent to obtain an interface agent layer; the interface agent is a simple cement slurry or a combination of a simple cement slurry and a polymer emulsion; (2) laying a semi-dry slurry containing dry-hard cement mortar on the interface agent layer to perform fine leveling construction, thereby obtaining a dry-hard cement mortar layer; the mass ratio of dry-hard cement mortar to water in the semi-dry slurry is 100:7-11; and (3) sequentially arranging a wear-resistant aggregate layer and a curing agent layer on the upper surface of the dry-hard cement mortar layer to obtain a wear-resistant floor. The construction method of the wear-resistant floor provided by the present application can realize one-time accurate leveling and significantly shorten the construction period.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wear-resistant floor construction, in particular to a wear-resistant floor construction method. BACKGROUND

[0002] The wear-resistant floor is a high-performance floor treatment system, which is widely used in industrial, commercial and public facilities fields. The common construction method of the wear-resistant floor is to pour fine stone concrete by wet method, then dry spread wear-resistant aggregate and polish.

[0003] CN118292619A discloses a construction method of diamond sand wear-resistant concrete floor and a construction troweling equipment thereof. The construction method of the diamond sand wear-resistant concrete floor comprises: S1, pre-treatment of the base layer; S2, pouring of the concrete; S3, polishing and pumping of the slurry; S4, horizontal spreading of the diamond sand; S5, first diamond sand polishing; S6, vertical spreading of the diamond sand; S7, second diamond sand polishing; S8, polishing treatment of the ground before application of the curing agent; S9, application of the curing agent seal, direct spraying of the curing agent, keeping the surface wet with the permeable material, and pushing with the brush to help absorption; and S10, finished product of the ground, polishing and polishing of the ground. Through the method of diamond sand + curing agent and multiple polishing, the effects of oil stain resistance, dust resistance, beauty and easy cleaning, and high flatness are achieved. However, the fine stone concrete leveling precision in the prior art is poor, the wear-resistant aggregate can be dry spread after polishing and pumping of the slurry, and the curing time is long; the water addition amount of the fine stone concrete in the wet construction is large, and the shrinkage cracking leads to a high risk of cracking of the wear-resistant floor; in addition, the fine stone concrete in the wet construction easily causes environmental pollution. SUMMARY

[0004] The present application aims to overcome the problems of poor fine stone concrete leveling precision, long waiting period for wear-resistant aggregate construction, long curing time of fine stone concrete, and environmental pollution caused by wet operation in the prior art.

[0005] In order to achieve the above-mentioned purpose, the present application provides a wear-resistant floor construction method, which comprises:

[0006] (1) applying an interface agent on a base layer to obtain an interface agent layer; the interface agent is a cement slurry and / or a cement emulsion slurry;

[0007] (2) laying a semi-dry slurry containing dry-hard cement mortar on the interface agent layer for fine leveling construction to obtain a dry-hard cement mortar layer;

[0008] The mass ratio of the dry-hard cement mortar to water in the semi-dry slurry is 100:7-11;

[0009] (3) sequentially arranging a wear-resistant aggregate layer and a curing agent layer on the upper surface of the dry-hard cement mortar layer to obtain a wear-resistant floor.

[0010] The construction method provided by the application has the advantages of semi-dry operation, high leveling accuracy, less environmental pollution, less water for dry cement mortar, reduced cracking risk, immediate construction of wear-resistant aggregate, short overall maintenance cycle, and significantly reduced construction period. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic diagram of a wear-resistant floor prepared by the construction method provided by the application. DETAILED DESCRIPTION

[0012] The endpoints of the ranges and any values disclosed herein are not limited to the precise values recited as the exact dimensions are not critical to the application. Any numerical value, however, can be expressed as a range to include any and all expressed values between the end points, whether or not modifying language is used. For example, if the frame height is from 1 to 10, then explicit mention of 7 is implied, even if 7 is not

[0013] As described above, the application provides a construction method of a wear-resistant floor, which comprises:

[0014] (1) pouring and sweeping an interface agent on a base layer to obtain an interface agent layer; the interface agent is a plain cement slurry and / or a plain cement emulsion slurry;

[0015] (2) laying a semi-dry slurry containing dry cement mortar on the interface agent layer for fine leveling construction to obtain a dry cement mortar layer;

[0016] The mass ratio of dry cement mortar to water in the semi-dry slurry is 100:7-11;

[0017] (3) sequentially arranging a wear-resistant aggregate layer and a curing agent layer on the upper surface of the dry cement mortar layer to obtain a wear-resistant floor.

[0018] Preferably, in step (1), the base layer is a concrete base surface or a cement mortar base surface.

[0019] In the application, pouring and sweeping refers to pouring the interface agent on the base layer and then sweeping it evenly.

[0020] The application does not have special requirements for the sweeping method, and those skilled in the art can use known technical means in the art, which will not be described here again, and those skilled in the art cannot understand it as a limitation of the application.

[0021] Preferably, the construction method further comprises: in step (1), before pouring and sweeping, the surface of the base layer is cleaned, and the base layer is watered 20-24 hours in advance before pouring and sweeping.

[0022] The present application does not have special requirements for the way of said impurity removal, only the dust, floating slurry, oil stains and impurities on the surface of the base layer can be removed, and those skilled in the art can select according to the technical means known in the art.

[0023] Preferably, the compressive strength of the dry hard cement mortar is ≥25Mpa. The inventors of the present application found that in this preferred case, the requirements of the use scenarios of the workshop, warehouse, underground garage above medium load can be met.

[0024] In the present application, the compressive strength of the dry hard cement mortar refers to the 14d compressive strength detected after 14d curing by referring to the method in GB / T 50081–2019 standard and using cubic test blocks for inspection.

[0025] Preferably, in step (1), the mass ratio of water and cement in the cement slurry is 0.4-0.6:1. The inventors found that under this preferred condition, the dry hard cement mortar can be well combined with the base layer.

[0026] According to a preferred embodiment, in step (1), the mass ratio of cement, water and polymer emulsion in the cement emulsion slurry is 1:0.1-0.5:0.03-0.4. The inventors of the present application found that in this preferred case, the dry hard cement mortar is better combined with the base layer (higher pullout strength).

[0027] Preferably, the polymer emulsion is selected from at least one of white latex and neoprene latex.

[0028] According to a preferred embodiment, the polymer emulsion is white latex, and the mass ratio of the cement, the water and the white latex in the cement emulsion slurry is 1:0.4-0.5:0.03-0.05.

[0029] According to another preferred embodiment, the polymer emulsion is neoprene latex, and the mass ratio of the cement, the water and the neoprene latex in the cement emulsion slurry is 1:0.1-0.15:0.3-0.4.

[0030] According to a preferred embodiment, in step (2), the semi-dry slurry is laid when the interface agent layer is in a slurry state.

[0031] It should be noted that the slurry state refers to the initial setting of the slurry without water loss.

[0032] Preferably, in step (3), the material forming the wear-resistant aggregate layer is selected from at least one of the following: carborundum wear-resistant aggregate, quartz sand wear-resistant aggregate, ceramic wear-resistant aggregate, glass wear-resistant aggregate, shell wear-resistant aggregate, and metal wear-resistant aggregate.

[0033] Preferably, the average diameter of the particles of the material forming the wear-resistant aggregate layer is 0.3-1.18 mm. The inventors of the present application have found that, in this preferred case, uniform distribution can be achieved whether dry spreading or semi-dry spreading, and local accumulation or uneven distribution is unlikely to occur. At the same time, it is convenient for subsequent troweling and finishing processes, so that the wear-resistant ground surface has high flatness and no obvious particle protrusions, and both practicality and aesthetics are taken into account.

[0034] Preferably, in step (3), the material forming the curing agent layer is selected from at least one of a sodium-based curing agent, a potassium-based curing agent, and a lithium-based curing agent.

[0035] Preferably, in step (2), the thickness of the dry-hard cement mortar layer is 20-100 mm. The inventors of the present application have found that, in this preferred case, most application scenarios can be covered.

[0036] Preferably, in step (3), the thickness of the wear-resistant aggregate layer is 3-5 mm.

[0037] Preferably, the surface pull strength of the wear-resistant aggregate layer is ≥1.5 MPa, and the Mohs hardness is ≥7.

[0038] Preferably, in step (1), the thickness of the interface agent layer is 0.5-3 mm.

[0039] Preferably, in step (3), the thickness of the curing agent layer is 0.1-0.5 mm.

[0040] Preferably, in step (2), the fine leveling construction method includes manual fine leveling or machine fine leveling.

[0041] Preferably, the specific operation steps of the manual fine leveling include:

[0042] S1, making a wet reinforcement: based on the thickness of the dry-hard cement mortar layer, part of the semi-dry mortar is compacted and flattened to make a reinforcement bar reference, specifically:

[0043] At the wall root, two wet reinforcements with an average width of 20-30 cm are made, and the center of the construction area is taken as the starting point for wet reinforcement arrangement in four mutually perpendicular directions; the spacing between adjacent wet reinforcements is 1-1.5 m;

[0044] S2, leveling construction: the semi-dry mortar is laid in the interval of the reinforcement bar reference, and the thickness of the semi-dry mortar is 10-16 mm higher than that of the reinforcement bar reference. After compaction, the reinforcement bar reference is scraped flat (the thickness after compaction and scraping is the same as that of the reinforcement bar) and rubbed evenly;

[0045] Preferably, the specific operation steps of the machine fine leveling include:

[0046] a, making a reference starting platform: laying the semi-dry mortar to the machine construction starting point base surface, tamping, scraping, rubbing, and using a horizontal laser instrument to make a starting platform not less than the size of the leveling machine, with the thickness of the dry hard cement mortar layer as the reference;

[0047] b, machine leveling construction: laying the semi-dry mortar according to the machine leveling path with the starting platform as the starting point, the thickness of the semi-dry mortar is 8-12mm higher than the starting platform; lifting the machine to the starting platform, adjusting the machine leveling reference, setting the machine laser position, and then starting the machine leveling construction (the mortar is the same height as the starting platform after machine leveling), to obtain the machine construction completed layer;

[0048] c, peripheral leveling: the areas that cannot be constructed by the machine are subjected to the manual fine leveling construction, with the thickness of the machine construction completed layer as the reference, tamping, scraping, and rubbing.

[0049] Preferably, in step (2), water is used to surface after the fine leveling construction, to obtain the dry hard cement mortar layer, and the water content of the surface of the dry hard cement mortar layer is 12-15%.

[0050] The surface water content in the application refers to the ratio of the mass of water contained in the range of 3-5mm below the surface to the mass of the dry material of the surface layer (usually expressed in percentage).

[0051] Preferably, the water surface is sprayed with water.

[0052] Preferably, in step (3), the method for setting the wear-resistant aggregate layer includes dry scattering and / or semi-dry scattering.

[0053] When the semi-dry scattering method is used to set the wear-resistant aggregate layer, the water content of the material forming the wear-resistant aggregate layer is 4-6%.

[0054] Preferably, when the semi-dry scattering method is used to set the wear-resistant aggregate layer, the material forming the wear-resistant aggregate layer is first stirred by a continuous mixer to form a non-agglomerated powder slurry with a water content of 4-6% by adding water, and then the semi-dry scattering operation is performed.

[0055] Preferably, the construction method further comprises: in step (3), after laying the material of the wear-resistant aggregate layer, polishing the surface, specifically:

[0056] After the wear-resistant aggregate layer is laid, it is first polished smooth using a grinding machine (with a grinding disc), and then polished again using a grinding machine (with inclined blades) to remove defects such as surface holes and roughness. When the surface of the wear-resistant aggregate material has initially set and absorbed water, it is polished again using a grinding machine (with inclined blades) to finish the surface.

[0057] Preferably, the construction method further includes: in step (3), after the material to be laid as the wear-resistant aggregate layer has hardened, it is coarsely ground.

[0058] The present invention does not have any particular requirements for the coarse grinding method. Those skilled in the art can use known technical means in the field to make the selection. For example, diamond grinding discs are used to coarsely grind the surface.

[0059] In order to make the surface of the wear-resistant floor smooth and bright after construction, the construction method preferably includes: in step (3), after setting the curing agent layer, grinding and polishing are performed.

[0060] The present invention does not have any special requirements for the grinding and polishing method. Those skilled in the art can use known technical means in the field to carry out the work. The present invention will not elaborate further here, and those skilled in the art should not understand it as a limitation of the present invention.

[0061] The present invention exemplarily in Figure 1 The document provides a structural schematic diagram of the wear-resistant flooring prepared using the provided construction method.

[0062] The present invention will be described in detail below through examples. Unless otherwise specified, specific experimental steps or conditions in the following examples can be performed according to known experimental steps or conditions described in the literature in this field. Unless otherwise specified, the raw materials or instruments used are commercially available. Unless otherwise specified, the reaction temperature in the following examples is at room temperature, which refers to 25±2℃.

[0063] Dry-hard cement mortar I: Fine leveling mortar for laying, with a compressive strength of 25 MPa, purchased from Zoomlion New Materials Co., Ltd.

[0064] Dry-hard cement mortar II: Mapei quick-drying leveling mortar 209, compressive strength 20 MPa, purchased from Mapei Company.

[0065] Semi-dry slurry I: The mass ratio of dry-hard cement mortar I to water is 100:9.

[0066] Semi-dry mortar II: The mass ratio of dry-hard cement mortar II to water is 100:9.

[0067] Semi-dry slurry DI-1: The mass ratio of dry-hard cement mortar I to water is 100:15.

[0068] Interface agent:

[0069] Interface agent I: cement paste, wherein the mass ratio of water and cement is 0.5:1.

[0070] Interface agent II: cement emulsion paste, wherein the mass ratio of cement: water: white emulsion is 1:0.5:0.04; the white emulsion is purchased from San Keshu.

[0071] Interface agent III: cement paste, wherein the mass ratio of water and cement is 1:1.

[0072] Material for forming wear-resistant aggregate layer: wear-resistant aggregate, specifically wear-resistant floor / non-metal type I (quartz sand), with an average particle diameter of 0.98 mm, sourced from Zoomlion New Materials Co., Ltd., and with a material model number of D6100.

[0073] Material for forming solidifying agent layer: wear-resistant solidifying agent NE CF AP, purchased from Mapei.

[0074] Example 1

[0075] (1) Remove dirt, laitance, oil stains and sundries on the surface of the concrete base, and then wet the concrete base with water 24 hours in advance, and then pour and sweep interface agent I on the concrete base, with the amount of interface agent I controlled to form an interface agent layer with a thickness of 2 mm;

[0076] (2) When the interface agent layer is in a paste state, lay semi-dry paste I containing dry-hard cement mortar for manual fine leveling, and spray water to wet the surface, with the amount of semi-dry paste I controlled to form a dry-hard cement mortar layer with a thickness of 40 mm; the water content of the surface of the dry-hard cement mortar layer is 14 wt%;

[0077] The specific operation steps of the manual fine leveling are as follows:

[0078] S1, making wet ribs: based on the thickness of the dry-hard cement mortar layer, part of the semi-dry paste I is compacted and flattened to make rib bases, specifically:

[0079] At the wall root, 2 wet ribs with an average width of 25 cm are made, and the center of the construction area is taken as the starting point, and the wet ribs are arranged in four mutually perpendicular directions; the distance between adjacent wet ribs is 1 m;

[0080] S2, leveling construction: the semi-dry paste I is laid in the interval of the rib bases, and the thickness of the semi-dry paste I is 15 mm higher than that of the rib bases; after compaction, the rib bases are scraped and smoothed with a scraper;

[0081] (3) Sprinkle the wear-resistant aggregate on the upper surface of the dry-hard cement mortar layer (first use a continuous mixer to stir the wear-resistant aggregate into a non-lumpy powder slurry with a water content of 5% by adding water, and then perform the semi-dry sprinkling operation), and then polish the surface;

[0082] The specific operation of polishing the surface is: first polish flat using a polishing device (with a grinding disc), and then polish to eliminate surface holes, roughness and other defects using a polishing device (with inclined blades); when the water on the surface of the wear-resistant aggregate material is initially set, polish the surface again using a polishing device (with inclined blades);

[0083] (4) After hardening, use a diamond grinding wheel to roughen the surface, control the amount of wear-resistant aggregate to form a wear-resistant aggregate layer with a thickness of 3mm, then apply a curing agent to the upper surface of the wear-resistant aggregate layer, control the amount of curing agent to form a curing agent layer with a thickness of 0.3mm, and then polish and polish to obtain a wear-resistant floor.

[0084] Example 2

[0085] (1) Remove dirt, efflorescence, oil stains and debris from the surface of the cement mortar base, and wet the surface 24 hours in advance. Pour interface agent II on the cement mortar base, control the amount of interface agent II to form an interface agent layer with a thickness of 1.8mm;

[0086] (2) When the interface agent layer is in a slurry state, lay semi-dry slurry I containing dry-hard cement mortar to precisely level by machine and human, spray water to wet the surface, control the amount of semi-dry slurry I to form a dry-hard cement mortar layer with a thickness of 40mm; the water content of the surface of the dry-hard cement mortar layer is 15wt%;

[0087] a. Make a reference starting platform: lay semi-dry slurry I on the machine construction starting point base, compact, scrape, and roll evenly, and use a horizontal laser instrument to make a starting platform with a size not less than the size of the leveling machine, with the thickness of the dry-hard cement mortar layer as the reference;

[0088] b. Machine leveling construction: start from the starting platform, lay dry-hard cement mortar semi-dry slurry I according to the machine leveling path, with the thickness of semi-dry slurry I being 10mm higher than the starting platform; lift the machine to the starting platform, adjust the machine leveling reference, set the machine laser position and the thickness of the dry-hard cement mortar layer, and then start the machine leveling construction to obtain a machine construction completed layer;

[0089] c. Peripheral leveling: manually precisely level the areas that cannot be constructed by the machine, with the thickness of the machine construction completed layer as the reference, compact, scrape, and roll evenly;

[0090] (3) Sprinkle wear-resistant aggregates on the upper surface of the dry-hard cement mortar layer (firstly, use a continuous mixer to stir the wear-resistant aggregates into a non-lumpy powder slurry with a water content of 5% by adding water, and then perform the semi-dry sprinkling operation), and then polish the surface;

[0091] The specific operation of polishing the surface is: firstly polish flat using a polishing device (with a grinding disc), and then polish to eliminate surface holes, roughness and other defects using a polishing device (with inclined blades); when the surface of the wear-resistant aggregate material is initially cured after water absorption, polish the surface again using a polishing device (with inclined blades);

[0092] (4) After hardening, use a diamond grinding disc to perform rough polishing on the surface, control the amount of material used to form the wear-resistant aggregate layer to form a wear-resistant aggregate layer with a thickness of 4 mm, then apply a curing agent on the upper surface of the wear-resistant aggregate layer, control the amount of curing agent to form a curing agent layer with a thickness of 0.2 mm, and then polish and polish to obtain a wear-resistant floor.

[0093] Example 3

[0094] This example is carried out using a method similar to that of Example 1, except that the interfacial agent I in step (1) is replaced by interfacial agent III; the parts not listed are the same as in Example 1.

[0095] Example 4

[0096] This example is carried out using a method similar to that of Example 1, except that the semi-dry slurry I in step (1) is replaced by semi-dry slurry II; the parts not listed are the same as in Example 1.

[0097] Comparative Example 1

[0098] (1) Base cleaning: remove surface debris, oil stains, and ensure cleanliness and dryness;

[0099] (2) Pouring fine stone concrete layer: pouring M25 fine stone concrete, vibrating and leveling the concrete with a laser leveling machine; before initial setting, use a slurry lifting machine to lift the slurry, discharge the air bubbles, and make the concrete surface slurry evenly distributed, which is convenient for subsequent aggregate bonding; control the amount of M25 fine stone concrete to form a concrete layer with a thickness of 100 mm;

[0100] (3) Setting wear-resistant aggregate layer: when the concrete layer is initially set to the point where there is no obvious indentation (only finger marks) when pressed with fingers, the first time to sprinkle wear-resistant aggregates (2 / 3 of the total amount of wear-resistant aggregates for the first time, which needs to be evenly sprinkled to avoid accumulation, and the corner area is manually supplemented); use a disc trowel to polish at low speed, so that the wear-resistant aggregates are completely embedded in the concrete surface layer, until the wear-resistant aggregates and the concrete slurry are fully integrated, and the surface has no obvious aggregate particles;

[0101] After the first time of the wear-resistant aggregate is completely wetted, the second time of the wear-resistant aggregate is scattered (the remaining 1 / 3 of the wear-resistant aggregate is scattered), the above polishing and thickening process is repeated to ensure that the surface layer is uniform and dense, and after the quartz sand is completely embedded, a disc trowel is used to polish at a medium speed to further thicken, compact, and eliminate surface color difference and wear-resistant aggregate accumulation marks; before the concrete is finally cured, a blade trowel is replaced, and the surface is polished at a high speed to form a dense and smooth wear-resistant aggregate layer on the ground surface;

[0102] The total amount of the wear-resistant aggregate is controlled to form a wear-resistant aggregate layer with a thickness of 5 mm;

[0103] (4) After the wear-resistant aggregate layer is cured and hardened, rough polishing is performed, and then a curing agent is applied to the upper surface of the wear-resistant aggregate layer, the amount of the curing agent is controlled to form a curing agent layer with a thickness of 0.3 mm, and then polishing is performed to obtain a wear-resistant floor.

[0104] Comparative Example 2

[0105] This comparative example is performed by using a method similar to that of Example 1, except that the semi-dry mortar I in step (1) is replaced by semi-dry mortar DI-1; the parts not listed are the same as in Example 1.

[0106] Test Example

[0107] The following tests are performed on the above examples and comparative examples:

[0108] 1. Test method for surface pull-out strength of the wear-resistant aggregate layer: a pull-out method is used, 3 test points are selected, and a special pull-out instrument is used to test.

[0109] 2. Pull-out strength (Mpa) of the dry hard mortar layer or fine stone concrete layer and the base layer: a pull-out method is used, 3 test points are selected, and the base layer is cut to 3-5 mm, and a special pull-out instrument is used to test the pull-out strength of the bonding layer;

[0110] 3. Surface compressive strength of the wear-resistant aggregate layer: a method specified in the standard JGJ / T 23-2011 "Technical Specification for Testing Concrete Compressive Strength by Rebound Method" is used, and a concrete rebound instrument is used for measurement;

[0111] 4. Test method for surface flatness of the dry hard cement mortar / fine stone concrete leveling: a 2m ruler is used in combination with a wedge-shaped plug gauge to measure.

[0112] 5. Mohs hardness test method: a Mohs hardness pen is used for scratching;

[0113] The above test results are shown in Table 1:

[0114] Table 1

[0115]

[0116] Note: Exemplarily, "the flatness of the leveled surface is 3mm / 2m" means that the deviation (i.e. the difference) between the highest point and the lowest point of the surface of the measured object (such as the ground, wall, table top, etc.) is not more than 3mm within any 2-meter long range.

[0117] It can be seen from the above results that the construction method provided by the application has high leveling accuracy; the wear-resistant aggregate can be immediately constructed and the overall maintenance period is short, thereby significantly reducing the construction period.

[0118] The preferred embodiments of the application are described in detail above, but the application is not limited thereto. Within the technical concept of the application, various simple modifications can be made to the technical solutions of the application, including the combination of various technical features in any other suitable manner, and these simple modifications and combinations should also be considered as disclosed by the application and fall within the protection scope of the application.

Claims

1. A method of constructing a wear surface, characterised in that, The method comprises: (1) applying an interface agent on a base layer to obtain an interface agent layer; the interface agent is a cement slurry and / or a cement emulsion slurry; the mass ratio of water to cement in the cement slurry is 0.4-0.6:1, and the mass ratio of cement, water and polymer emulsion in the cement emulsion slurry is 1:0.1-0.5:0.03-0.4; (2) laying a semi-dry slurry containing dry-hard cement mortar on the interface agent layer for fine leveling construction to obtain a dry-hard cement mortar layer; the mass ratio of dry-hard cement mortar to water in the semi-dry slurry is 100:7-11; (3) sequentially arranging a wear-resistant aggregate layer and a curing agent layer on the upper surface of the dry-hard cement mortar layer to obtain a wear-resistant floor.

2. The construction method according to claim 1, characterized in that, The compressive strength of the dry-hard cement mortar is ≥25 MPa.

3. The construction method according to claim 2, characterized in that, In step (1), the polymer emulsion is selected from at least one of white latex and chloroprene latex.

4. The construction method according to any one of claims 1 to 3, characterized in that, In step (3), the material forming the wear-resistant aggregate layer is selected from at least one of diamond abrasive wear-resistant aggregate, quartz sand wear-resistant aggregate, ceramic wear-resistant aggregate, glass wear-resistant aggregate, shell wear-resistant aggregate and metal wear-resistant aggregate; and / or, the average particle diameter of the material forming the wear-resistant aggregate layer is 0.3-1.18 mm.

5. The construction method according to any one of claims 1 to 3, characterized in that, In step (3), the material forming the curing agent layer is selected from at least one of sodium-based curing agent, potassium-based curing agent and lithium-based curing agent.

6. The construction method according to any one of claims 1 to 3, characterized in that, In step (2), the thickness of the dry-hard cement mortar layer is 20-100 mm.

7. The construction method according to any one of claims 1 to 3, characterized in that, In step (3), the thickness of the wear-resistant aggregate layer is 3-5 mm.

8. The construction method according to any one of claims 1 to 3, characterized in that, In step (1), the thickness of the interface agent layer is 0.5-3 mm; and / or, in step (3), the thickness of the curing agent layer is 0.1-0.5 mm.

9. The construction method according to any one of claims 1 to 3, characterized in that, In step (2), the fine leveling construction method comprises manual fine leveling or machine fine leveling; and / or, in step (2), after the fine leveling construction, the surface is watered to obtain the dry-hard cement mortar layer, and the water content of the surface of the dry-hard cement mortar layer is 12-15%.

10. The construction method according to any one of claims 1 to 3, characterized in that, In step (3), the wear-resistant aggregate layer is arranged by dry scattering and / or semi-dry scattering; when the semi-dry scattering method is used to arrange the wear-resistant aggregate layer, the water content of the material forming the wear-resistant aggregate layer is 4-6%.

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