CN115538728A - Anti-cracking inorganic grindstone terrace - Google Patents

Anti-cracking inorganic grindstone terrace Download PDF

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Publication number
CN115538728A
CN115538728A CN202211251921.6A CN202211251921A CN115538728A CN 115538728 A CN115538728 A CN 115538728A CN 202211251921 A CN202211251921 A CN 202211251921A CN 115538728 A CN115538728 A CN 115538728A
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China
Prior art keywords
layer
parts
inorganic
weight
cracking
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CN202211251921.6A
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Chinese (zh)
Inventor
徐建军
陈悦
吴开胜
王雪
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Jiangsu Nigao Science & Technology Co ltd
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Jiangsu Nigao Science & Technology Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • 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
    • C04B28/14—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 calcium sulfate cements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60—Flooring materials
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/80—Optical properties, e.g. transparency or reflexibility
    • C04B2111/82—Coloured materials
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to the technical field of inorganic grindstone terraces, in particular to an anti-cracking inorganic grindstone terrace which comprises a ground base layer, a leveling layer, an anti-cracking buffer layer, an inorganic grindstone layer and a cover layer from bottom to top, wherein the anti-cracking buffer layer comprises a first silicon crystal net layer, a flexible film layer and a second silicon crystal net layer which are compounded into a whole from bottom to top, and the leveling layer and the anti-cracking buffer layer are connected in a bonding mode through a bonding layer. The size change rate of the inorganic grindstone floor material is lower than 0.1% by modifying the formula of the inorganic grindstone floor material; an anti-cracking buffer layer is arranged between the leveling layer and the inorganic grindstone layer, the anti-cracking buffer layer has certain toughness, and the ground base layer is isolated, so that the cracking of the inorganic grindstone layer caused by the cracking of the ground base layer can be effectively reduced; and because the interior of the flexible film layer in the anti-cracking buffer layer contains a large number of small holes, the anti-cracking buffer layer can play a role in water resistance and ventilation.

Description

Anti-cracking inorganic abrasive terrace
Technical Field
The invention relates to the technical field of inorganic grindstone terraces, in particular to an anti-cracking inorganic grindstone terrace.
Background
Along with the continuous improvement of the social living standard, the requirements of people on various high-quality decorative materials are also continuously improved, and the grindstone terrace is a modern novel ground wall decoration material and is increasingly used for various industrial and commercial public places and home decoration designs by virtue of various excellent performances and higher plasticity of the grindstone terrace. The grindstone terrace shows the beauty of combining nature and texture through complex and rigorous multiple processes, and the changeable figure of the grindstone terrace can be seen no matter in commercial places such as hotels, cafes and restaurants, or in public places such as building sales centers, waiting halls and schools.
Grindstone originates from ancient Roman times, chinese terrazzo terraces begin to prevail after reform and opening, the main process is to mix aggregates such as broken stone aggregates, quartz stone, glass and the like with cement and then lay the mixture, and then polish the surface for use, the cost is low, the process is simple, the market occupancy rate reaches more than 70%, and the terrazzo terraces are called as common terrazzo terraces. Through the continuous development of many years, the types of the grindstone terrace are more and more, and the grindstone terrace is roughly divided into three types of terrazzo, inorganic grindstone and epoxy grindstone at present, wherein people often talk about the terrazzo and the inorganic grindstone as a whole. Compared with terrazzo terraces, the inorganic terrazzo has more excellent performance and stronger decorative effect. First, inorganic grindstone materials are superior to terrazzo materials in strength, crack resistance, and early strength. Secondly, the inorganic terrazzo terrace can be integrally and seamlessly paved, but the terrazzo terrace has the advantages that the terrazzo terrace does not have, the terrazzo terrace needs to be separated by a filler rod to prevent cracking, and dense and hemp gaps are really difficult to be connected with words such as extreme sense and aesthetic sense at present when the terrazzo terrace is pursuing artistic sense and highly developed design sense.
However, since the inorganic millstone material itself is made of inorganic cement, shrinkage cracking occurs due to the material itself, which is a common problem of cement-based materials, and the cracks generated due to this cause are cracks in the form of cracks on the surface of the inorganic millstone; secondly, cracks caused by defects of the foundation ground, such as insufficient strength, hollowing and foundation cracks, are mostly linear cracks or Y-shaped cracks on the surface of the inorganic grinding stone; of course, the foundation ground is greatly deformed, such as: the inorganic grindstone terrace is cracked due to the extrusion of the inorganic grindstone caused by sinking, large vibration, wall deformation and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the crack-resistant inorganic grindstone terrace is provided.
The technical scheme adopted by the invention is as follows: the utility model provides an inorganic grindstone terrace of anti fracture, from supreme ground base layer, screed-coat, anti buffer layer, inorganic grindstone layer and the top facing layer of including of following supreme compound integrative first silicon crystal net layer, flexible rete and second silicon crystal net layer, through tie coat adhesive connection between screed-coat and the anti buffer layer that splits. The anti-cracking buffer layer is arranged between the leveling layer and the inorganic grinding stone layer, the anti-cracking buffer layer has certain toughness, and meanwhile, the ground base layer is isolated, so that the inorganic grinding stone layer cracking caused by the cracking of the ground base layer can be effectively reduced; and because the interior of the flexible film layer in the anti-cracking buffer layer contains a large number of small holes, the anti-cracking buffer layer can play a role in water resistance and ventilation.
Furthermore, the inorganic abrasive layer is composed of the following substances,
base material: 180-250 parts of cement, 5-25 parts of special cement, 5-10 parts of early strength agent, 1-4.5 parts of water reducing agent, 2-5 parts of defoaming agent, 0.5-2 parts of cellulose ether, 30-60 parts of heavy calcium, 10-50 parts of silica fume, 10-25 parts of anhydrite, 0.5-1 part of fiber and 0-1.5 parts of pigment,
aggregate: 100-150 parts of 10-20 mesh sand, 80-180 parts of 20-40 mesh sand, 100-200 parts of 40-80 mesh sand and 60-180 parts of 80-120 mesh sand,
stone: 0 to 250 portions by weight.
The anhydrite reacts with part of the rapid hardening cement to generate an expansive product, so that the self contraction of the cement-based material can be effectively resisted, and the deformation of the inorganic abrasive layer is reduced; the fiber can effectively improve the anti-cracking capability of the inorganic abrasive layer.
Preferably, the weight part ratio of the special cement to the anhydrite is 1.
The whole compressive strength of the prepared inorganic millstone terrace is over 50Mpa, and the size change rate is less than or equal to-0.03 percent.
Furthermore, one side of the first silicon crystal net layer and one side of the second silicon crystal net layer are flush with the flexible film layer, the other sides of the first silicon crystal net layer and the second silicon crystal net layer respectively protrude out of two sides of the flexible film layer, and the protruding distance is 10mm.
Furthermore, the flexible film layer is made of polypropylene or polyethylene, and the number of the perforations per square meter of the flexible film layer is more than 100; the mesh sizes of the first silicon crystal mesh layer and the second silicon crystal mesh layer were 50mm × 50mm.
Furthermore, the upper end part and the lower end part in the leveling layer are respectively provided with a layer of low-carbon steel wire mesh to improve the integral anti-cracking and anti-deformation capability.
Furthermore, the bonding layer is made of bonding mortar or tile glue materials.
Furthermore, the surface coating adopts a two-component polyurethane coating or a two-component epoxy resin coating.
Furthermore, the thicknesses of the leveling layer, the bonding layer, the anti-cracking buffer layer, the inorganic abrasive layer and the cover layer are respectively 50-55mm, 3-5mm, 3mm, 10-20mm and 0.1-1.5mm.
Furthermore, the leveling layer is laid on the ground base layer, and the inorganic abrasive layer and the cover layer are sequentially laid on the anti-cracking buffer layer.
Compared with the prior art, the invention has the following advantages: the size change rate of the inorganic grindstone floor material is lower than 0.1% by modifying the formula of the inorganic grindstone floor material; the anti-cracking buffer layer is arranged between the leveling layer and the inorganic grindstone layer, the anti-cracking buffer layer has certain toughness, and meanwhile, the ground base layer is isolated, so that the transverse stress generated by the cracking of the ground base layer is effectively eliminated, and the cracking of the inorganic grindstone layer caused by the cracking of the ground base layer can be effectively reduced; and because the interior of the flexible film layer in the anti-cracking buffer layer contains a large number of small holes, the anti-cracking buffer layer can play a role in water resistance and ventilation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the crack-resistant buffer layer according to the present invention.
The reference numbers in the figures: 1-ground substrate, 2-leveling layer, 3-bonding layer, 4-anti-cracking buffer layer, 5-inorganic abrasive layer, 6-cover layer, 41-first silicon crystal net layer, 42-flexible film layer and 43-second silicon crystal net layer.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the embodiments of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
As shown in fig. 1 and fig. 2, the anti-cracking inorganic grindstone terrace sequentially comprises a ground substrate 1, a leveling layer 2 laid on the ground substrate 1, an anti-cracking buffer layer 4 adhesively connected to the leveling layer 2 through an adhesive layer 3, an inorganic grindstone layer 5 and a cover layer 6 laid on the anti-cracking buffer layer 4 from bottom to top.
Wherein, the upper and lower end parts in the leveling layer 2 are respectively provided with a layer of low-carbon steel wire mesh;
one side of the first silicon crystal net layer 41 and one side of the second silicon crystal net layer 43 are flush with the flexible film layer 42, the other sides of the first silicon crystal net layer and the second silicon crystal net layer respectively protrude out of two sides of the flexible film layer 42, and the protruding distance is 10mm; the number of perforations per square meter of flexible film layer 42 is greater than 100; the mesh sizes of the first silicon crystal mesh layer 41 and the second silicon crystal mesh layer 43 were 50mm × 50mm.
The bonding layer 3 is made of bonding mortar or ceramic tile adhesive material;
the flexible film layer 42 is made of polypropylene or polyethylene;
the inorganic abrasive layer 5 is composed of the following substances,
base material: 200 parts by weight of cement, 9 parts by weight of special cement, 8 parts by weight of early strength agent, 3 parts by weight of water reducing agent, 3 parts by weight of defoaming agent, 1 part by weight of cellulose ether, 45 parts by weight of heavy calcium carbonate, 30 parts by weight of silica fume, 10.5 parts by weight of anhydrite, 1 part by weight of fiber and 1 part by weight of pigment,
aggregate: 120 parts by weight of 10-20 mesh sand, 130 parts by weight of 20-40 mesh sand, 150 parts by weight of 40-80 mesh sand, 120 parts by weight of 80-120 mesh sand,
stone: 150 parts by weight.
The surface coating 6 adopts a two-component polyurethane coating or a two-component epoxy resin coating.
Example 2
The difference from example 1 is that: the inorganic abrasive layer 5 is composed of the following substances,
base material: 180 parts of cement, 6 parts of special cement, 5 parts of early strength agent, 1 part of water reducing agent, 2 parts of defoaming agent, 0.5 part of cellulose ether, 30 parts of heavy calcium, 10 parts of silica fume, 7 parts of anhydrite and 0.5 part of fiber,
aggregate: 100 parts by weight of 10-20 mesh sand, 80 parts by weight of 20-40 mesh sand, 100 parts by weight of 40-80 mesh sand and 60 parts by weight of 80-120 mesh sand.
Example 3
The difference from example 1 is that: the inorganic abrasive layer 5 is composed of the following substances,
base material: 250 parts by weight of cement, 18 parts by weight of special cement, 10 parts by weight of early strength agent, 4.5 parts by weight of water reducing agent, 5 parts by weight of defoaming agent, 2 parts by weight of cellulose ether, 60 parts by weight of heavy calcium, 50 parts by weight of silica fume, 21 parts by weight of anhydrite, 1 part by weight of fiber and 1.5 parts by weight of pigment,
aggregate: 150 parts by weight of 10-20 meshes of sand, 180 parts by weight of 20-40 meshes of sand, 200 parts by weight of 40-80 meshes of sand, 180 parts by weight of 80-120 meshes of sand,
stone: 250 parts by weight.
Example 4
The difference from example 1 is that: the inorganic abrasive layer 5 is composed of the following substances,
base material: 210 parts by weight of cement, 14 parts by weight of special cement, 7 parts by weight of an early strength agent, 4 parts by weight of a water reducing agent, 4 parts by weight of a defoaming agent, 1.5 parts by weight of cellulose ether, 50 parts by weight of heavy calcium, 40 parts by weight of silica fume, 16.8 parts by weight of anhydrite, 0.8 part by weight of fiber and 1.2 parts by weight of pigment,
aggregate: 130 parts of 10-20 mesh sand, 150 parts of 20-40 mesh sand, 160 parts of 40-80 mesh sand and 160 parts of 80-120 mesh sand,
stone: 200 parts by weight.
Comparative example 1
The difference from example 1 is that: the inorganic abrasive layer 5 is composed of the following substances,
base material: 200 parts by weight of cement, 8 parts by weight of an early strength agent, 3 parts by weight of a water reducing agent, 3 parts by weight of a defoaming agent, 1 part by weight of cellulose ether, 45 parts by weight of heavy calcium, 30 parts by weight of silica fume, 1 part by weight of fiber, 1 part by weight of pigment,
aggregate: 120 parts of 10-20 meshes of sand, 130 parts of 20-40 meshes of sand, 150 parts of 40-80 meshes of sand and 120 parts of 80-120 meshes of sand,
stone: 150 parts by weight.
Comparative example 2
The difference from example 1 is that: the inorganic abrasive layer 5 is composed of the following materials,
base material: 200 parts by weight of cement, 40 parts by weight of special cement, 8 parts by weight of early strength agent, 3 parts by weight of water reducing agent, 3 parts by weight of defoaming agent, 1 part by weight of cellulose ether, 45 parts by weight of heavy calcium carbonate, 30 parts by weight of silica fume, 50 parts by weight of anhydrite, 1 part by weight of fiber and 1 part by weight of pigment,
aggregate: 120 parts by weight of 10-20 mesh sand, 130 parts by weight of 20-40 mesh sand, 150 parts by weight of 40-80 mesh sand, 120 parts by weight of 80-120 mesh sand,
stone: 150 parts by weight.
Comparative example 3
The difference from example 1 is that: the inorganic abrasive layer 5 is composed of the following substances,
base material: 200 parts by weight of cement, 9 parts by weight of special cement, 8 parts by weight of early strength agent, 3 parts by weight of water reducing agent, 3 parts by weight of defoaming agent, 1 part by weight of cellulose ether, 45 parts by weight of heavy calcium carbonate, 30 parts by weight of silica fume, 10.5 parts by weight of anhydrite and 1 part by weight of pigment,
aggregate: 120 parts by weight of 10-20 mesh sand, 130 parts by weight of 20-40 mesh sand, 150 parts by weight of 40-80 mesh sand, 120 parts by weight of 80-120 mesh sand,
stone: 150 parts by weight.
Comparative example 4
The difference from example 1 is that the crack-resistant buffer layer 4 is not provided.
Table 1 table of performance parameters of inorganic grindstone terraces obtained in examples 1 to 4 and comparative examples 1 to 4
Figure BDA0003888386500000071
In the test process, the test is carried out according to the specification of the GB/T17671-2021 cement mortar strength test method (ISO method). As can be seen from the above table, the integral compressive strength of the inorganic millstone terrace of the invention is more than 50Mpa, and the size change rate is less than or equal to-0.02%; since the reaction of anhydrite with part of the rapid hardening cement generates expansive products, when the amounts of the special cement and anhydrite are insufficient or excessive (comparative examples 1 and 2), and when the amount of the fiber is insufficient (comparative example 3), a large dimensional change rate is caused, and the breaking strength and the compressive strength are affected. The anti-cracking buffer layer is arranged between the leveling layer and the inorganic abrasive layer, the anti-cracking buffer layer has certain toughness, the ground base layer is isolated, the transverse stress generated by the cracking of the ground base layer is effectively eliminated, the cracking of the inorganic abrasive layer caused by the cracking of the ground base layer can be effectively reduced, and cracks appear on the surface of the inorganic abrasive layer in the comparative example 4 without the anti-cracking buffer layer.

Claims (10)

1. The utility model provides an inorganic grindstone terrace of anti fracture which characterized in that: from supreme ground base layer (1), screed-coat (2), anti buffer layer (4), inorganic grindstone layer (5) and top facing (6) of including down, anti buffer layer (4) of splitting include from supreme compound integrative first silicon crystal net layer (41), flexible rete (42) and second silicon crystal net layer (43) down, through tie coat (3) bonding connection between screed-coat (2) and anti buffer layer (4) of splitting.
2. The inorganic millstone floor of claim 1, characterized in that: the inorganic abrasive stone layer (5) is composed of the following substances,
base material: 180-250 parts of cement, 5-25 parts of special cement, 5-10 parts of early strength agent, 1-4.5 parts of water reducing agent, 2-5 parts of defoaming agent, 0.5-2 parts of cellulose ether, 30-60 parts of heavy calcium, 10-50 parts of silica fume, 10-25 parts of anhydrite, 0.5-1 part of fiber and 0-1.5 parts of pigment,
aggregate: 100-150 parts of 10-20 mesh sand, 80-180 parts of 20-40 mesh sand, 100-200 parts of 40-80 mesh sand and 60-180 parts of 80-120 mesh sand,
stone: 0 to 250 portions by weight.
3. The inorganic abrasive terrace according to claim 2, characterized in that: the weight ratio of the special cement to the anhydrite is 1.8-1.2.
4. The inorganic abrasive terrace according to claim 1, characterized in that: one side of the first silicon crystal net layer (41) and one side of the second silicon crystal net layer (43) are flush with the flexible film layer (42), the other sides of the first silicon crystal net layer and the second silicon crystal net layer respectively protrude out of two sides of the flexible film layer (42), and the protruding distances are 10mm.
5. The inorganic abrasive terrace according to claim 1, characterized in that: the flexible film layer (42) is made of polypropylene or polyethylene, and the number of the perforations per square meter of the flexible film layer (42) is more than 100; the mesh sizes of the first silicon crystal mesh layer (41) and the second silicon crystal mesh layer (43) were 50mm × 50mm.
6. The inorganic millstone floor of claim 1, characterized in that: and the upper end part and the lower end part in the leveling layer (2) are respectively provided with a layer of low-carbon steel wire mesh.
7. The inorganic millstone floor of claim 1, characterized in that: the bonding layer (3) is made of bonding mortar or ceramic tile adhesive material.
8. The inorganic millstone floor of claim 1, characterized in that: the surface coating (6) adopts a bi-component polyurethane coating or a bi-component epoxy resin coating.
9. The inorganic millstone floor of claim 1, characterized in that: the thicknesses of the leveling layer (2), the bonding layer (3), the anti-cracking buffer layer, the inorganic abrasive layer (5) and the cover layer (6) are respectively 50-55mm, 3-5mm, 3mm, 10-20mm and 0.1-1.5mm.
10. The inorganic millstone floor of claim 1, characterized in that: the leveling layer (2) is laid on the ground base layer (1), and the inorganic abrasive layer (5) and the cover coat layer (6) are sequentially laid on the anti-cracking buffer layer (4).
CN202211251921.6A 2022-10-13 2022-10-13 Anti-cracking inorganic grindstone terrace Pending CN115538728A (en)

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