CN114434593A - Full-body color concrete imitation pavement product and production method and pavement preparation method thereof - Google Patents
Full-body color concrete imitation pavement product and production method and pavement preparation method thereof Download PDFInfo
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- CN114434593A CN114434593A CN202210088871.8A CN202210088871A CN114434593A CN 114434593 A CN114434593 A CN 114434593A CN 202210088871 A CN202210088871 A CN 202210088871A CN 114434593 A CN114434593 A CN 114434593A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/346—Manufacture of moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/388—Treating surfaces of moulds, cores, or mandrels to prevent sticking with liquid material, e.g. lubricating
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/71—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being an organic material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/08—Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
Abstract
The invention discloses a full-body colored concrete imitation pavement product and a production method and a pavement preparation method thereof, wherein the production method comprises the following steps: preparing a production mold of a full-body colorful concrete imitation pavement product; placing the production mold on a vibration platform, and coating a concrete product release agent in the production mold; uniformly paving the mixed and stirred color mortar on the production mould, and vibrating the color mortar on the production mould into a decorative layer of the whole-body color concrete imitation pavement product through the vibration platform; and uniformly paving the colored concrete on the decorative layer, and vibrating the colored concrete to form a concrete layer of the whole colored concrete pavement imitation product through the vibration platform. According to the invention, the production mold is designed and prepared, and the full-body color concrete imitation pavement product is produced by the production mold, so that the quality problems of different texture depths, inconsistent product quality, easiness in layering and falling off, inconvenience in maintenance and the like of the original compression mold terrace can be solved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a full-body colored concrete imitation pavement product and a production method and a pavement preparation method thereof.
Background
The color compression-molded concrete is widely applied to the field of decoration of various terraces, the process is mainly characterized in that a silica gel mold is used for imprinting on the surface when the concrete is initially set, and the depth and the definition of the imprinted texture are controlled manually. The surface strength increases gradually from initial setting to final setting, and the beating force of the operator needs to be increased continuously to press the texture. However, due to the fact that the technologies of constructors are different and the number of human factors is large, the quality and the effect of the stamped products are inconsistent, the texture depth is inconsistent, and the decoration effect is seriously influenced. Even if all of the constructors are too hard, the consistency of the embossed texture cannot be guaranteed. Meanwhile, the surface layer is used for dusting and collecting light, the quality problem of layering and falling is easy to occur, the base layer is made of plain concrete and the dusting layer is colored, and therefore color difference can be caused after layering and falling, the appearance is seriously affected, and the terrace is inconvenient to maintain, so that the application and development of the terrace are restricted.
The prior art is as follows: CN 106120508A discloses a construction method of a color die-pressed concrete artistic floor, which comprises the following steps: (1) inspecting the flatness and compactness of the foundation; (2) supporting a formwork according to design requirements; (3) c25 concrete is paved flatly; (4) vibrating and extracting pulp; (5) smoothing and trowelling; (6) spreading a color curing material for the first time, and flattening and smoothing; (7) spreading color curing material for the second time, and flattening and smoothing; (8) selecting a mould to be imprinted according to the designed patterns; (9) maintaining and cleaning the ground; (10) coating a protective agent; (11) and cutting the expansion joint.
The technical scheme has a plurality of defects:
(1) the surface layer is dusted, so the surface layer is easy to delaminate and fall off, and particularly, the delamination and the falling off are serious after the surface layer is soaked in rain and snow in the north in winter at low temperature.
(2) The color layer is thin (about 3mm), the bottom exposure phenomenon appears after abrasion, and the color is different.
(3) The depth and the definition of the surface imprinted texture are controlled by manual imprinting, the surface strength is gradually increased from initial setting to final setting, operators are inconvenient to control the strength, and the depth and the definition of the texture pattern are difficult to realize standard unification.
(4) The plate needs to be poured again after being broken according to the expansion joint, the texture of the repair area is poured again and is difficult to be connected with the original texture, the appearance is influenced, and the maintenance cost is high.
(5) The construction period of entering the field is short, the construction of entering the field is required to be carried out after finishing decoration, meanwhile, the construction is influenced by weather, the construction cannot be carried out in rainy and snowy weather, and the short construction period and the short quality are not guaranteed.
(6) The construction is not environment-friendly, the dust of the pressed and scattered powder is large, and the physical and psychological health of operators is not facilitated.
Disclosure of Invention
The embodiment of the invention provides a full-body colored concrete imitation pavement product, a production method thereof and a pavement preparation method, aiming at eliminating the defect of relying on a manual impression technology to control the depth and avoiding the problem of layering and shelling.
The embodiment of the invention provides a production method of a full-body colored concrete imitation pavement product, which comprises the following steps:
preparing a production mold of a full-body colorful concrete imitation pavement product;
placing the production mold on a vibration platform, and coating a concrete product release agent in the production mold;
uniformly paving the mixed and stirred color mortar on the production mould, and vibrating the color mortar on the production mould into a decorative layer of the whole color concrete imitation pavement product through the vibration platform;
and uniformly paving the colored concrete on the decorative layer, and vibrating the colored concrete to form a concrete layer of the whole colored concrete pavement imitation product through the vibration platform.
Further, the production mould of preparation full-color concrete imitative product of mating formation, include:
building a 3D model of 1:1 according to a pavement design pattern, and arranging splicing bayonets on the periphery of the 3D model;
selecting a high-density polyurethane plate based on the 3D model, and carrying out fine engraving treatment on the high-density polyurethane plate through a fine engraving machine;
copying a silica gel mold by using the high-density polyurethane plate after the engraving treatment, and standing the silica gel mold in a constant temperature chamber;
cutting a steel plate into a steel die with the same size as the profile of the planar body of the 3D model through numerical control cutting;
according to the shape profile of the steel die, the steel plate is cut in a sectional numerical control manner to obtain sectional steel plate edge strips, the sectional steel plate edge strips are laterally wound around the plane profile of the steel die and are welded with the steel film into a whole in a seamless manner;
and embedding the silica gel mold at the bottom of the steel mold to finish the preparation of the production mold.
Further, the color mortar that will mix the stirring and form evenly paves on the production mould to through the vibration platform will the color mortar on the production mould vibrates for the decorative layer of the imitative product of mating formation of full-length color concrete, include:
mixing and stirring Portland cement, medium sand, inorganic iron oxide pigment and water to obtain color mortar; wherein the weight ratio of the portland cement to water is 0.52, and the average grain size of the medium sand is 0.5-0.35 mm;
and vibrating for 1-2 minutes by using a vibration platform.
Further, evenly spread colored concrete on the decorative layer, through vibration of vibration platform is the concrete layer of the imitative product of mating formation of full body colored concrete includes:
uniformly paving color concrete on the decorative layer, covering a steel bar net piece on the middle layer of the concrete layer, and enabling the surface of the color concrete to be flush with the edge of the production mold;
vibrating for 2-3 minutes by using a vibration platform until no bubbles exist.
Further, the method also comprises the following steps:
and an additive layer is mixed in the concrete layer, wherein a carboxylic acid type high-efficiency water reducing agent is added into the additive layer, and the using amount of the carboxylic acid type high-efficiency water reducing agent is 1.5-2 per mill of the weight of cement in the colored concrete.
Further, the method also comprises the following steps:
adding inorganic iron oxide pigments with different proportions into the decorative layer and the concrete layer to enable the colors of the decorative layer and the concrete layer to be consistent; wherein, the dosage of the inorganic iron oxide pigment of the decorative layer is 1.5 to 1.6 percent of the weight of the color mortar, and the dosage of the inorganic iron oxide pigment of the concrete layer is 1 to 1.05 percent of the weight of the color concrete.
Further, evenly spread colored concrete on the decorative layer, vibrate through the vibration platform and become after the concrete layer of the imitative product of mating formation of full-bodied colored concrete, include:
horizontally placing the production mould on the ground, and troweling the production mould by a trowel when the surface of the concrete layer is initially set;
within 6-8 hours, carrying out primary curing on the felt wet water covered on the whole colored concrete imitation pavement product;
after the first curing is finished, sucking, hanging and demolding by using a sucking and hoisting machine, horizontally placing the decorative layer on the ground with the decorative layer facing upwards, and continuously covering felt wet water for second curing, wherein the continuous curing time is longer than or equal to 14 days;
after the second curing is finished, spraying a water-based colorant on the whole body colored concrete imitation pavement product without surface clear water;
and after 10-20 minutes, wiping off accumulated liquid on the full-body colored concrete imitation pavement product by using cotton cloth.
Further, the method also comprises the following steps:
when the water content of the whole-body colored concrete imitation pavement product is less than or equal to 7%, coating a protective layer on the surface of the whole-body colored concrete imitation pavement product; wherein, the protective layer is two layers, and the first layer is methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1:2, and the second layer is a methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1: 1.
The embodiment of the invention also provides a full-body colored concrete imitation pavement product which is prepared by adopting the production method of the full-body colored concrete imitation pavement product.
The embodiment of the invention also provides a paving preparation method of the whole color concrete imitation paving product, which adopts the whole color concrete imitation paving product to carry out paving preparation.
The embodiment of the invention provides a full-body colored concrete imitation pavement product and a production method and a pavement preparation method thereof, wherein the production method comprises the following steps: preparing a production mold of a full-body colorful concrete imitation pavement product; placing the production mold on a vibration platform, and coating a concrete product release agent in the production mold; uniformly paving the mixed and stirred color mortar on the production mould, and vibrating the color mortar on the production mould into a decorative layer of the whole color concrete imitation pavement product through the vibration platform; and uniformly paving the colored concrete on the decorative layer, and vibrating the colored concrete to form a concrete layer of the whole colored concrete pavement imitation product through the vibration platform. According to the embodiment of the invention, the production mold is designed and prepared, and the full-body colored concrete imitation pavement product is produced based on the production mold, so that the quality problems of different texture depths, inconsistent product quality, easiness in layering and falling off, inconvenience in maintenance and the like of the original pressing mold terrace can be solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for producing a full-body colored concrete pavement imitation product according to an embodiment of the invention;
FIG. 2 is a schematic view of a production mold in the production method of the full-body colored concrete pavement imitation product according to the embodiment of the invention;
FIG. 3 is a schematic view of a layered structure of a full-body color concrete pavement imitation product according to an embodiment of the invention;
fig. 4 is an exemplary schematic diagram of a paving preparation method of a full-body color concrete imitation paving product according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
Referring to fig. 1, fig. 1 is a schematic flow chart of a production method of a full-body color concrete pavement imitation product according to an embodiment of the present invention, which specifically includes: steps S101 to S104.
S101, preparing a production mold of a full-body colored concrete imitation pavement product;
s102, placing the production mold on a vibration platform, and coating a release agent for a concrete product in the production mold;
s103, uniformly paving the mixed and stirred color mortar on the production mould, and vibrating the color mortar on the production mould into a decorative layer of the whole color concrete imitation pavement product through the vibration platform;
and S104, uniformly paving the colored concrete on the decorative layer, and vibrating the colored concrete to form a concrete layer of the whole colored concrete imitation pavement product through the vibration platform.
In the embodiment, a production mold is prepared by a 3D printing technology, then color mortar and color concrete are uniformly spread on the production mold in sequence, and a vibration platform below the production mold is used for vibrating.
The design of indexes such as surface course ratio, full-length color, aggregate's kind, particle size gradation, impression pattern texture and colour, the combination utilizes comprehensive means such as mould design development, aggregate gradation technique, additive layer technique, prefabrication technique, makes the moulding-die terrace both have unique decorative effect, and the product wholeness is between monolithic pouring and cubic the mating formation, compares paving type product wholeness such as ceramic tile, stone material stronger, can satisfy more decoration design demands. Meanwhile, the embodiment emphatically solves the quality problems that the original die terrace is different in texture depth, inconsistent in product quality, easy to delaminate and drop, inconvenient to maintain and the like.
Compared with the prior art, the embodiment has the following beneficial effects:
1. compared with the existing press-molding terrace product, the depth is not controlled by relying on a manual imprinting technology, the hundred-percent depth recovery is realized, the texture is clear and vivid, and the product quality is completely consistent;
2. compared with the existing compression-molded terrace product, the problem of layering and shelling easily occurs, and the integral construction can be completely avoided;
3. the product is replaced by the damaged hoisting plate, so that the maintenance cost is reduced;
4. common workers can operate the device without professional technicians, so that the labor cost is reduced;
5. the workshop type production is not influenced by weather and environment, and the product quality is guaranteed;
6. the floor is green and environment-friendly, can be paved instead of ground stone, reduces the exploitation of natural stone and natural river sand, and accords with the principle of green buildings;
7. the beneficial effects above the synthesis, this embodiment is that a decorative good, can copy the imitative product of mating formation of full-length colored concrete that pastes, and it has synthesized technologies such as mould design preparation, aggregate gradation technique, full-length colored technique of mixing, prefabricating technique, admixture, can solve the texture depth of former moulding-die terrace in weight differently, product quality is inconsistent, easy layering drops, quality problems such as inconvenient maintenance for product quality is more stable, uses more extensively, satisfies more design demands of mating formation.
In one embodiment, the step S101 includes:
building a 3D model of 1:1 according to a pavement design pattern, and arranging splicing bayonets on the periphery of the 3D model;
selecting a high-density polyurethane plate based on the 3D model, and carrying out fine engraving treatment on the high-density polyurethane plate through a fine engraving machine;
copying a silica gel mold by using the high-density polyurethane plate after the fine engraving treatment, and standing the silica gel mold in a constant temperature chamber;
cutting a steel plate into a steel die with the same size as the profile of the planar body of the 3D model through numerical control cutting;
according to the shape profile of the steel die, the steel plate is cut in a sectional numerical control manner to obtain sectional steel plate edge strips, the sectional steel plate edge strips are laterally wound around the plane profile of the steel die and are welded with the steel film into a whole in a seamless manner;
and embedding the silica gel mold at the bottom of the steel mold to finish the preparation of the production mold.
In the embodiment, a 1:1 3D model is firstly built according to a pavement design pattern, and splicing bayonets are designed on the periphery of the model. Then utilize the cnc engraving and milling machine sculpture 3D model, the model material chooses for use high density polyurethane board, and the panel is whole carves no piece. And copying a silica gel mold according to the model, wherein the silica gel mold needs to be kept stand in a constant temperature room at 25 ℃ for 72 hours to ensure that the mold is consistent with the model. And then manufacturing a steel die, cutting the plane body outline of the steel die in a numerical control manner to enable the size of the plane body outline of the steel die to be completely consistent with that of the 3D model, and integrally cutting by adopting a steel plate with the thickness of 5mm during cutting. And finally, cutting the steel plate edge strips in a sectional numerical control manner according to the profile of the steel die, wherein the steel plate edge strips are cut by adopting a steel plate with the thickness of 5mm and are cut into edge strips with the width of 85 mm. And finally, the sectional steel plate edge strips are vertically wound around the plane outline of the steel die in a side mode, so that the steel die is welded into a whole in a seamless mode. And embedding the copied silica gel mold at the bottom of the steel mold to ensure flatness and seamless performance, thereby completing the manufacture of the production mold, which can be particularly shown in fig. 2.
The polyurethane board is a polyurethane sandwich board which is completely made of PU or formed by compounding PU and a color steel plate, is mainly used for an external thermal insulation system of industrial and civil buildings, and becomes a product system which is most widely used by PU. A CNC engraving and milling machine is one of numerically controlled machine tools. The metal engraving and milling machine can perform non-contact cutting and punching on metal or non-metal plates and pipes, and is particularly suitable for laser cutting processing of stainless steel plates, iron plates, silicon wafers, ceramic plates, titanium alloys, epoxy, A3 steel, diamond and other materials. The equipment has stable and reliable operation, good processing quality, high efficiency, simple operation and convenient maintenance.
In one embodiment, the uniformly spreading the mixed color mortar on the production mold, and vibrating the color mortar on the production mold into the decoration layer of the full-body color concrete imitation pavement product by the vibration platform includes:
mixing and stirring Portland cement, medium sand, inorganic iron oxide pigment and water to obtain color mortar; wherein the weight ratio of the portland cement to water is 0.52, and the average grain size of the medium sand is 0.5-0.35 mm;
and vibrating for 1-2 minutes by using a vibration platform.
In the embodiment, the decorative layer is formed by mixing and stirring ordinary 425# portland cement, high-quality medium sand, an inorganic iron oxide pigment and water (such as tap water) to form color mortar, wherein the dosage ratio (namely the weight ratio) of the water to the portland cement is 0.52, the color mortar is uniformly spread in a production mold, a vibration platform is started to vibrate for 1-2 minutes, and the horizontal meter dosage of the color mortar is 14 kg/square meter. Herein, the medium sand refers to a crumble having an average particle diameter in the range of 0.5 to 0.35 mm.
In one embodiment, the paving of the colored concrete on the decorative layer uniformly, and the vibrating of the vibrating platform to obtain the concrete layer of the whole colored concrete imitation pavement product comprises:
uniformly paving color concrete on the decorative layer, covering a steel bar net piece on the middle layer of the concrete layer, and enabling the surface of the color concrete to be flush with the edge of the production mold;
vibrating for 2-3 minutes by using a vibration platform until no bubbles exist.
In the embodiment, the colored concrete is uniformly paved on the decorative layer to form the concrete layer, the surface of the concrete layer is flush with the edge of the production mold, and the vibration platform is started to vibrate for 2-3 minutes until no air bubbles exist.
Specifically, the color concrete is prepared according to the strength of the C30 mark, wherein the dosage ratio (namely the weight ratio) of water to cement is 0.4, no fly ash is added, inorganic iron oxide pigment is added, the slump constant is kept within the range of 110-140, and the concrete layer crushed stone is 5-31.5 mm continuous graded cyan crushed stone.
In addition, an anti-cracking layer is added at the middle layer position of the concrete layer, namely a reinforcing mesh with the length and width of 150-150 mm and the diameter of 6mm is adopted.
Further, the method also comprises the following steps:
and an additive layer is mixed in the concrete layer, wherein a carboxylic acid type high-efficiency water reducing agent is added into the additive layer, and the using amount of the carboxylic acid type high-efficiency water reducing agent is 1.5-2 per mill of the weight of cement in the colored concrete.
Still further, still include:
adding inorganic iron oxide pigments with different proportions into the decorative layer and the concrete layer to enable the colors of the decorative layer and the concrete layer to be consistent; wherein, the dosage of the inorganic iron oxide pigment of the decorative layer is 1.5 to 1.6 percent of the weight of the color mortar, and the dosage of the inorganic iron oxide pigment of the concrete layer is 1 to 1.05 percent of the weight of the color concrete.
The decorative layer and the colored concrete layer need to be added with inorganic iron oxide pigments in different proportions, the colors need to be consistent, and the pigments need to meet the standard of the GBT1863-2008 iron oxide pigments (a standard on classification, requirement, naming, sampling, test method, inspection rule and marking, packaging, transportation and storage of the iron oxide pigments).
In one embodiment, the uniformly spreading the colored concrete on the decoration layer, after vibrating the concrete layer of the full-body colored concrete imitation pavement product by the vibration platform, comprises:
horizontally placing the production mould on the ground, and troweling the production mould by a trowel when the surface of the concrete layer is initially set;
within 6-8 hours, carrying out primary curing on the felt wet water covered on the whole colored concrete imitation pavement product;
after the first curing is finished, sucking, hanging and demolding by using a sucking and hoisting machine, horizontally placing the decorative layer on the ground with the decorative layer facing upwards, and continuously covering felt wet water for second curing, wherein the continuous curing time is longer than or equal to 14 days;
after the second curing is finished, spraying a water-based colorant on the whole body colored concrete imitation pavement product without surface clear water;
and after 10-20 minutes, wiping off accumulated liquid on the full-body colored concrete imitation pavement product by using cotton cloth.
In this embodiment, after the vibrating operation, the concrete is horizontally placed on the ground together with the mold, and the trowel is used for trowelling the color concrete when the surface of the color concrete is initially set, and then the maintenance operation is performed. The method comprises the following specific steps:
and (3) finishing the wet water curing of the felt covering within 6-8 hours, after 24 hours, adopting a suction crane to suck, hang and demould under the condition of ensuring no edge breakage, placing the product decorative layer on the ground horizontally in an upward mode, continuing to cover the felt wet water curing, and continuously curing for not less than 14 days.
Further, after 28 days, the surface of the product is cleaned, and the water-based colorant is sprayed under the condition that no visible water exists on the surface, the mixing ratio of the colorant to water in the water-based colorant is 1:70, the square meter per square meter is 0.18kg, and the accumulated liquid is wiped clean by using cotton cloth after 15 minutes.
Furthermore, when the water content of the whole colored concrete imitation pavement product is less than or equal to 7 percent, coating a protective layer on the surface of the whole colored concrete imitation pavement product; wherein, the protective layer is two layers, wherein, the first layer is methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1:2, and the second layer is a methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1: 1.
After the implementation steps are completed, uniformly brushing concrete alkali-resistant sealing agent as an alkali-resistant layer on the bottom of the whole color concrete imitation pavement product, wherein the dosage of the alkali-resistant sealing agent per square meter is 0.1kg per square meter, and the whole color concrete imitation pavement product can be laid for use after being absorbed and dried for 24 hours.
The embodiment of the invention also provides a full-body colored concrete imitation pavement product which is prepared by adopting the production method of the full-body colored concrete imitation pavement product.
In the embodiment, the full-body color concrete imitation pavement product can be prepared by the production method. As shown in fig. 3, the structural layer of the full-body color concrete imitation pavement product comprises a protective layer 1, a coloring layer 2, a decorative layer 3, a concrete layer 4, an anti-cracking layer 5 and an alkali-proof layer 6. It should be noted that, in an actual product, the anti-cracking layer is disposed in the middle of the concrete layer, that is, as shown in fig. 3, the upper and lower layers of the anti-cracking layer 5 are the concrete layer 4. In addition, the concrete layer 4 is mixed with an additive layer. Specifically, the method comprises the following steps:
the protective layer 1 is two layers, wherein the first layer is a methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1:2, and the second layer is a methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1: 1.
The coloring layer 2 is formed by coloring a nano concentrated liquid dye and penetrates into the decorative layer to a depth of 4-6 mm.
The decorative layer 3 is a color mortar layer, and specifically is a mixture of ordinary portland cement, inorganic iron oxide pigment and high-quality river sand (or washed sand, desalinized sand and quartz sand).
The concrete layer 4 is a colorful concrete layer, and specifically is a mixture of ordinary portland cement, an inorganic iron oxide pigment and medium sand with good gradation (namely 5-31.5 mm continuous gradation crushed stone).
The additive layer is formed by adding modified carboxylic acid additives into the colored concrete and is used for improving the strength and the workability of the concrete.
The anti-cracking layer 5 is a single-layer bidirectional reinforcing mesh with the diameter of 6mm, the length and the width of the reinforcing mesh are 150mm and 150mm, and the reinforcing mesh is arranged in the middle of the colored concrete layer 4.
The alkali-resistant layer 6 is an alkali-resistant sealing agent consisting of modified resin and acrylate copolymer emulsion, and the dosage is 0.15kg per square meter.
The embodiment of the invention also provides a paving preparation method of the whole-body colorful concrete imitation paving product, which adopts any one of the whole-body colorful concrete imitation paving products to carry out paving preparation.
In this embodiment, the full-body color concrete imitation pavement product prepared by the production method is paved, and with reference to fig. 4, the concrete paving process is as follows:
cleaning a base hardened ground, finishing and leveling, removing bulges and filling recesses, and paving a dry mortar layer with the thickness of about 40mm, wherein the mortar ratio is 1: 1;
selecting various prefabricated products according to a design drawing, hoisting the products according to the drawing by using a customized hoisting machine, and paving the products by finding elevations and pulling horizontal lines;
selecting products to be seamlessly spliced and paved according to the designed color, shape and texture;
the maintenance period is not less than 3 days after the pavement is finished, and the pavement can be put into use after the maintenance period.
The improvement point and the effect of the paving preparation method of the whole-body colored concrete imitation paving product provided by the embodiment are as follows:
compared with the existing color die-pressed concrete artistic terrace, the surface texture is improved from the original manual imprinting into the mold prefabrication in the embodiment, the problem of inconsistent texture depth is effectively solved, and the consistency of products is ensured;
compared with the existing color die-pressed concrete artistic floor, the original surface layer powder scattering and light collecting is improved into the whole body color prefabrication in the embodiment, so that the problem that a surface color layer is easy to separate and fall off is effectively avoided;
the conventional pressing die terrace is inconvenient to maintain, the damage needs to be removed, and then the pouring and impressing are constructed, so that the embodiment only needs to replace plates when the product is maintained, and the maintenance cost is effectively reduced;
the existing floor sealing agent is sealed on the surface layer, so that the problem of efflorescence and whitening cannot be completely avoided;
the construction of the existing outdoor terrace is influenced by weather, field and environment, the embodiment can realize workshop-type production, is not influenced by the outside, and the quality of pollution-free products is better guaranteed;
the product is diversified, any texture model can be carved according to the design requirement, and the simulation degree is high;
the method is green and environment-friendly, can replace ground stone to be paved, reduces the exploitation of natural stone and river sand, and accords with the principle of green buildings.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A production method of a full-body colorful concrete imitation pavement product is characterized by comprising the following steps:
preparing a production mold of a full-body colorful concrete imitation pavement product;
placing the production mold on a vibration platform, and coating a concrete product release agent in the production mold;
uniformly paving the mixed and stirred color mortar on the production mould, and vibrating the color mortar on the production mould into a decorative layer of the whole color concrete imitation pavement product through the vibration platform;
and uniformly paving the colored concrete on the decorative layer, and vibrating the colored concrete to form a concrete layer of the whole colored concrete pavement imitation product through the vibration platform.
2. The production method of the full-body colored concrete imitation pavement product according to claim 1, wherein the production mold for preparing the full-body colored concrete imitation pavement product comprises the following steps:
building a 3D model of 1:1 according to a pavement design pattern, and arranging splicing bayonets on the periphery of the 3D model;
selecting a high-density polyurethane plate based on the 3D model, and carrying out fine engraving treatment on the high-density polyurethane plate through a fine engraving machine;
copying a silica gel mold by using the high-density polyurethane plate after the fine engraving treatment, and standing the silica gel mold in a constant temperature chamber;
cutting a steel plate into a steel die with the same size as the profile of the planar body of the 3D model through numerical control cutting;
according to the shape profile of the steel die, the steel plate is cut in a sectional numerical control manner to obtain sectional steel plate edge strips, the sectional steel plate edge strips are laterally wound around the plane profile of the steel die and are welded with the steel film into a whole in a seamless manner;
and embedding the silica gel mold at the bottom of the steel mold to finish the preparation of the production mold.
3. The method for producing the full-body colored concrete imitation pavement product according to claim 1, wherein the steps of uniformly paving the mixed and stirred color mortar on the production mold, and vibrating the color mortar on the production mold into the decoration layer of the full-body colored concrete imitation pavement product through the vibration platform comprise:
mixing and stirring Portland cement, medium sand, inorganic iron oxide pigment and water to obtain color mortar; wherein the weight ratio of the portland cement to water is 0.52, and the average grain size of the medium sand is 0.5-0.35 mm;
and vibrating for 1-2 minutes by using a vibration platform.
4. The method for producing the full-body colored concrete imitation pavement product according to claim 1, wherein the step of uniformly paving the colored concrete on the decorative layer and vibrating the concrete layer of the full-body colored concrete imitation pavement product by the vibration platform comprises the following steps:
uniformly paving color concrete on the decorative layer, covering a steel bar net piece on the middle layer of the concrete layer, and enabling the surface of the color concrete to be flush with the edge of the production mold;
vibrating for 2-3 minutes by using a vibration platform until no bubbles exist.
5. The method for producing the full-body colored concrete imitation pavement product according to claim 1, further comprising:
and an additive layer is mixed in the concrete layer, wherein a carboxylic acid type high-efficiency water reducing agent is added into the additive layer, and the using amount of the carboxylic acid type high-efficiency water reducing agent is 1.5-2 per mill of the weight of cement in the colored concrete.
6. The method for producing the full-body colored concrete imitation pavement product according to claim 1, further comprising:
adding inorganic iron oxide pigments with different proportions into the decorative layer and the concrete layer to enable the colors of the decorative layer and the concrete layer to be consistent; wherein, the dosage of the inorganic iron oxide pigment of the decorative layer is 1.5 to 1.6 percent of the weight of the color mortar, and the dosage of the inorganic iron oxide pigment of the concrete layer is 1 to 1.05 percent of the weight of the color concrete.
7. The method for producing the full-body colored concrete imitation pavement product according to claim 1, wherein the uniformly spreading the colored concrete on the decoration layer, after vibrating the concrete layer of the full-body colored concrete imitation pavement product by the vibration platform, comprises:
horizontally placing the production mould on the ground, and troweling the production mould by a trowel when the surface of the concrete layer is initially set;
within 6-8 hours, carrying out primary curing on the felt wet water covered on the whole colored concrete imitation pavement product;
after the first curing is finished, sucking, hanging and demolding by using a sucking and hoisting machine, horizontally placing the decorative layer on the ground with the decorative layer facing upwards, and continuously covering felt wet water for second curing, wherein the continuous curing time is longer than or equal to 14 days;
after the second curing is finished, spraying a water-based colorant on the whole body colored concrete imitation pavement product without surface clear water;
and after 10-20 minutes, wiping off accumulated liquid on the full-body colored concrete imitation pavement product by using cotton cloth.
8. The method for producing the full-body colored concrete imitation pavement product according to claim 1, further comprising:
when the water content of the whole-body colored concrete imitation pavement product is less than or equal to 7%, coating a protective layer on the surface of the whole-body colored concrete imitation pavement product; wherein, the protective layer is two layers, and the first layer is methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1:2, and the second layer is a methyl methacrylate copolymer: the dimethyl carbonate is prepared by mixing and diluting according to the proportion of 1: 1.
9. The full-color concrete imitation pavement product is characterized by being prepared by the production method of the full-color concrete imitation pavement product according to any one of claims 1-8.
10. The paving preparation method of the whole-body colorful concrete imitation paving product is characterized in that the whole-body colorful concrete imitation paving product according to claim 9 is adopted for paving preparation.
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