CN113754351A - Large-area soil-imitation slope surface layer - Google Patents
Large-area soil-imitation slope surface layer Download PDFInfo
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- CN113754351A CN113754351A CN202111032774.9A CN202111032774A CN113754351A CN 113754351 A CN113754351 A CN 113754351A CN 202111032774 A CN202111032774 A CN 202111032774A CN 113754351 A CN113754351 A CN 113754351A
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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
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/10—Clay
- C04B14/104—Bentonite, e.g. montmorillonite
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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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0625—Polyalkenes, e.g. polyethylene
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0625—Polyalkenes, e.g. polyethylene
- C04B16/0633—Polypropylene
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0641—Polyvinylalcohols; Polyvinylacetates
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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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0675—Macromolecular compounds fibrous from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0683—Polyesters, e.g. polylactides
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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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0675—Macromolecular compounds fibrous from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0691—Polyamides; Polyaramides
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/63—Flame-proofing agents
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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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
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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
- C04B2111/00956—Uses not provided for elsewhere in C04B2111/00 for making sculptures or artistic casts
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Civil Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a large-area soil-imitation slope surface layer which is characterized by comprising a framework layer and a sand layer, wherein the sand layer comprises the following components in parts by weight: 10-20 parts of cement, 30-60 parts of sand, 2.5-8 parts of inorganic pigment, 2-6 parts of glue and 80-100 parts of water; 5-10 parts of montmorillonite, 1-3 parts of assistant, 0.5-1.5 parts of color fixing agent, 2-5 parts of flame retardant and 8-16 parts of synthetic crude fiber; the synthetic coarse fibers include one or more of polypropylene fibers (PPF), polyethylene fibers (PEF), polyvinyl alcohol fibers (PVAF), polyester fibers (PETF), or polyamide fibers (PAF). The soil-imitation slope surface layer is finished at one time by arranging the framework layer and the sandy soil layer and spraying the sandy soil layer on the framework layer, so that the construction period is shortened; in addition, montmorillonite and synthetic fiber are added into the powder of the sandy soil layer, and a flame retardant and an auxiliary agent in a specific proportion are added into the liquid material, so that the peeling and falling of the coating are effectively avoided, the primary color of the cement mortar is exposed, and the integral attractive effect is achieved.
Description
Technical Field
The invention relates to the field of buildings, in particular to a large-area soil-imitation slope surface layer.
Background
With the increasing popularity of video and television bases and cultural and tourist properties, the shooting base is combined with leisure tourism to create a real-scene entertainment tourism project integrating leisure and vacation. Because the environment and history of each area are different, scenes need to be made manually, so that a large amount of imitated real scenes are generated, the rockery is usually shaped, and the construction process of shaping by adopting a framework, a wire mesh and cement mortar and spraying coating on the outer surface is adopted.
However, in the existing large-volume real-scene modeling such as rockery imitation, the surface layer is mostly coated with the coating on the surface of the cement mortar, and the defects are that a large amount of manual work is needed for layering construction, and meanwhile, the cement mortar needs a certain setting period and a certain maintenance period, so that the construction period is long; before the coating is sprayed, the base cement mortar needs a certain water content requirement and can be sprayed, otherwise, the coating peels off in the later period, and a large amount of maintenance cost and project cost are increased.
In summary, a large-area soil-like slope layer is needed to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a large-area soil-imitation slope surface layer, which is finished in a secondary mode, so that the construction period is shortened, the peeling and falling of a coating are avoided, the primary color of cement mortar is exposed, and the overall attractive effect is achieved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a large tracts of land imitative soil slope surface course, includes casing ply and sand soil layer, wherein the sand soil layer includes according to parts by weight:
10-20 parts of cement, 30-60 parts of sand, 2.5-8 parts of inorganic pigment, 2-6 parts of glue and 80-100 parts of water; 5-10 parts of montmorillonite, 1-3 parts of assistant, 0.5-1.5 parts of color fixing agent, 2-5 parts of flame retardant and 8-16 parts of synthetic crude fiber;
the synthetic coarse fibers include one or more of polypropylene fibers (PPF), polyethylene fibers (PEF), polyvinyl alcohol fibers (PVAF), polyester fibers (PETF), or polyamide fibers (PAF).
In some embodiments of the present invention, the sandy soil layer comprises, in parts by weight:
12-18 parts of cement, 40-50 parts of sand, 4-7 parts of inorganic pigment, 3-5 parts of glue and 85-95 parts of water; also comprises 7 to 9 portions of montmorillonite, 1.5 to 2.5 portions of auxiliary agent, 0.8 to 1.2 portions of color fixing agent, 3 to 4 portions of flame retardant and 10 to 14 portions of synthetic crude fiber.
In some embodiments of the present invention, the sandy soil layer comprises, in parts by weight:
15 parts of cement, 45 parts of sand, 6 parts of inorganic pigment, 4 parts of glue and 90 parts of water; the composite material also comprises 8 parts of montmorillonite, 2 parts of auxiliary agent, 1 part of color fixing agent, 3.5 parts of flame retardant and 12 parts of synthetic crude fiber.
In some embodiments of the invention, the flame retardant comprises one or more of tributyl phosphate, tris (2-ethylhexyl) phosphate, tris (2-chloroethyl) phosphate, tris (2, 3-dichloropropyl) phosphate, tris (2, 3-dibromopropyl) phosphate, Pyrol 99.
In some embodiments of the invention, the adjuvants include silica fume, desulfurized gypsum, triethanolamine in a 1: 0.8-1.2: 1-1.5 by weight ratio.
In some embodiments of the invention, the fixing agent is sodium ethylene diamine tetra methylene phosphonate, polyvinylpyrrolidone, propylene glycol alginate, and polyhexamethylene guanidine according to a 1: 0.5: 0.5: 0.8 by weight ratio.
In some embodiments of the present invention, the inorganic pigment is selected from iron black powder, iron yellow powder and iron red powder.
In some embodiments of the invention, the sand is 70-100 mesh fine sand.
In some embodiments of the present invention, the method for manufacturing a large-area soil-like slope layer includes the following steps:
s1, according to the proportion, firstly stirring and mixing cement, sand, montmorillonite and synthetic fiber to obtain powder, and then uniformly mixing iron yellow powder, iron red powder, iron black powder, glue, water, an auxiliary agent, a color fixing agent and a flame retardant to obtain a liquid material;
s2, adding the liquid material into the powder material, and stirring for 10-20 minutes to obtain a mortar raw material of the sand layer;
and S3, binding the steel skeleton and the steel wire mesh to form a skeleton layer, and coating the mortar raw material in the step S2 on the outside of the skeleton layer by combining a shotcrete machine and a worker to obtain the soil-imitated slope layer.
In some embodiments of the present invention, the applying process in the step S3 includes the following steps:
s31, spraying mortar raw materials on the inner side of the steel wire mesh by the aid of the mortar spraying machine to form a first sand layer;
s32, when the dryness of the first sandy soil layer is 60% -70%, spraying a mortar raw material on the outer side of the steel wire mesh by using the sand blasting machine to form a second sandy soil layer;
s33, when the dryness of the second sandy soil layer is 65-75%, spraying mortar raw materials on the outer side of the second sandy soil layer by using the sand blasting machine to form a third sandy soil layer;
and S34, when the dryness of the third sand layer is 70%, performing effect modeling by manual work.
In some embodiments of the invention, the first layer of sand has a thickness in the range of 8-12 mm; the thickness of the second sand layer is 8-12 mm; the thickness range of the third sand layer is 13-17 mm.
Compared with the prior art, the technical scheme of the invention has the following technical effects:
the soil-imitation slope surface layer is finished at one time by arranging the framework layer and the sandy soil layer and spraying the sandy soil layer on the framework layer, so that the construction period is shortened; in addition, montmorillonite and synthetic fiber are added into the powder of the sandy soil layer, and a flame retardant and an auxiliary agent in a specific proportion are added into the liquid material, so that the peeling and falling of the coating are effectively avoided, the primary color of the cement mortar is exposed, and the integral attractive effect is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
The utility model provides a large tracts of land imitative soil slope surface course, includes casing ply and sand soil layer, wherein the sand soil layer includes according to parts by weight:
10 parts of cement, 60 parts of sand, 2.5 parts of inorganic pigment, 2 parts of glue and 80 parts of water; the composite fiber also comprises 10 parts of montmorillonite, 1 part of auxiliary agent, 0.5 part of color fixing agent, 2 parts of flame retardant and 8 parts of synthetic group fiber;
the synthetic coarse fibers include polypropylene fibers (PPF) and polyethylene fibers (PEF).
The flame retardant comprises tributyl phosphate and tri (2-ethylhexyl) phosphate.
The auxiliary agent comprises silicon powder, desulfurized gypsum and triethanolamine, and the proportion is 1: 0.8: 1 by weight ratio.
The color fixing agent is prepared from ethylene diamine tetramethylene phosphonic acid sodium, polyvinylpyrrolidone, propylene glycol alginate and polyhexamethylene guanidine according to the weight ratio of 1: 0.5: 0.5: 0.8 by weight ratio.
The sand is fine sand of 70-100 meshes.
The manufacturing method of the large-area soil-imitation slope layer comprises the following steps:
s1, according to the proportion, firstly stirring and mixing cement, sand, montmorillonite and synthetic fiber to obtain powder, and then uniformly mixing iron yellow powder, iron red powder, iron black powder, glue, water, an auxiliary agent, a color fixing agent and a flame retardant to obtain a liquid material;
s2, adding the liquid material into the powder material, and stirring for 10-20 minutes to obtain a mortar raw material of the sand layer;
and S3, binding the steel skeleton and the steel wire mesh to form a skeleton layer, and coating the mortar raw material in the step S2 on the outside of the skeleton layer by combining a shotcrete machine and a worker to obtain the soil-imitated slope layer.
In some embodiments of the present invention, the applying process in the step S3 includes the following steps:
s31, spraying mortar raw materials on the inner side of the steel wire mesh by the aid of the mortar spraying machine to form a first sand layer;
s32, when the dryness of the first sandy soil layer is 60% -70%, spraying a mortar raw material on the outer side of the steel wire mesh by using the sand blasting machine to form a second sandy soil layer;
s33, when the dryness of the second sandy soil layer is 65-75%, spraying mortar raw materials on the outer side of the second sandy soil layer by using the sand blasting machine to form a third sandy soil layer;
and S34, when the dryness of the third sand layer is 70%, performing effect modeling by manual work.
The thickness range of the first sand layer is 8-12 mm; the thickness of the second sand layer is 8-12 mm; the thickness range of the third sand layer is 13-17 mm.
Example 2
The utility model provides a large tracts of land imitative soil slope surface course, includes casing ply and sand soil layer, wherein the sand soil layer includes according to parts by weight:
12 parts of cement, 50 parts of sand, 4 parts of inorganic pigment, 3 parts of glue and 85 parts of water; 7 parts of montmorillonite, 1.5 parts of assistant, 0.8 part of color fixing agent, 3 parts of flame retardant and 10 parts of synthetic crude fiber;
the synthetic coarse fibers include polypropylene fibers (PPF) and polyvinyl alcohol fibers (PVAF).
The flame retardant comprises tris (2-chloroethyl) phosphate and tris (2, 3-dichloropropyl) phosphate.
The auxiliary agent comprises silicon powder, desulfurized gypsum and triethanolamine, and the proportion is 1: 1:1.2 by weight ratio.
The color fixing agent is prepared from ethylene diamine tetramethylene phosphonic acid sodium, polyvinylpyrrolidone, propylene glycol alginate and polyhexamethylene guanidine according to the weight ratio of 1: 0.5: 0.5: 0.8 by weight ratio.
The sand is fine sand of 70-100 meshes.
The preparation method is the same as that of example 1.
Example 3
The utility model provides a large tracts of land imitative soil slope surface course, includes casing ply and sand soil layer, wherein the sand soil layer includes according to parts by weight:
15 parts of cement, 45 parts of sand, 6 parts of inorganic pigment, 4 parts of glue and 90 parts of water; the composite material also comprises 8 parts of montmorillonite, 2 parts of auxiliary agent, 1 part of color fixing agent, 3.5 parts of flame retardant and 12 parts of synthetic crude fiber.
The synthetic coarse fibers include polypropylene fibers (PPF), polyvinyl alcohol fibers (PVAF), and polyester fibers (PETF).
The flame retardant comprises tributyl phosphate, tris (2, 3-dibromopropyl) phosphate and Pyrol 99.
The auxiliary agent comprises silicon powder, desulfurized gypsum and triethanolamine, and the proportion is 1:1.1: 1.3 by weight ratio.
The color fixing agent is prepared from ethylene diamine tetramethylene phosphonic acid sodium, polyvinylpyrrolidone, propylene glycol alginate and polyhexamethylene guanidine according to the weight ratio of 1: 0.5: 0.5: 0.8 by weight ratio.
The sand is fine sand of 70-100 meshes.
The preparation method is the same as that of example 1.
Example 4
The utility model provides a large tracts of land imitative soil slope surface course, includes casing ply and sand soil layer, wherein the sand soil layer includes according to parts by weight:
18 parts of cement, 40 parts of sand, 7 parts of inorganic pigment, 5 parts of glue and 95 parts of water; also comprises 9 parts of montmorillonite, 2.5 parts of auxiliary agent, 1.2 parts of color fixing agent, 4 parts of flame retardant and 14 parts of synthetic crude fiber.
The synthetic coarse fibers include polyester fibers (PETF) and polyamide fibers (PAF).
The flame retardant comprises tris (2-chloroethyl) phosphate and tris (2, 3-dichloropropyl) phosphate.
The auxiliary agent comprises silicon powder, desulfurized gypsum and triethanolamine, and the proportion is 1: 1.2: 1.4 by weight ratio.
The color fixing agent is prepared from ethylene diamine tetramethylene phosphonic acid sodium, polyvinylpyrrolidone, propylene glycol alginate and polyhexamethylene guanidine according to the weight ratio of 1: 0.5: 0.5: 0.8 by weight ratio.
The sand is fine sand of 70-100 meshes.
The preparation method is the same as that of example 1.
Example 5
The utility model provides a large tracts of land imitative soil slope surface course, includes casing ply and sand soil layer, wherein the sand soil layer includes according to parts by weight:
20 parts of cement, 30 parts of sand, 8 parts of inorganic pigment, 6 parts of glue and 100 parts of water; also comprises 10 parts of montmorillonite, 2.5 parts of auxiliary agent, 1.5 parts of color fixing agent, 5 parts of flame retardant and 16 parts of synthetic crude fiber.
The synthetic coarse fibers include polyvinyl alcohol fibers (PVAF).
The flame retardant comprises tributyl phosphate.
The auxiliary agent comprises silicon powder, desulfurized gypsum and triethanolamine, and the proportion is 1: 1.2: 1.5 by weight ratio.
The color fixing agent is prepared from ethylene diamine tetramethylene phosphonic acid sodium, polyvinylpyrrolidone, propylene glycol alginate and polyhexamethylene guanidine according to the weight ratio of 1: 0.5: 0.5: 0.8 by weight ratio.
The sand is fine sand of 70-100 meshes.
The preparation method is the same as that of example 1.
Comparative example 1
Compared to example 3, the synthetic coarse fibers were replaced with 0.5 parts of a hemp knife. Corresponding replacement is carried out in the preparation method.
Comparative example 2
Compared with the embodiment 3, the components and the dosage of the auxiliary agent are replaced by: the ditolyl ether, the methyl silicone oil and the dimethylaminopropylamine were mixed in a weight ratio of 1:1.1: 1.2.
Comparative example 3
Compared with the example 3, montmorillonite is omitted from the powder of the sand layer.
Comparative example 4
Compared with the embodiment 3, the flame retardant adopts aliphatic halogenated hydrocarbons, specifically dibromomethane and trichlorobromomethane.
Test example 1
The soil-like slope surface layers prepared in examples 1-5 and comparative examples 1-3 respectively were tested according to the standard requirements of JC/T1024-2007 wall facing mortar. The results are shown in Table 1.
Table 1 detection results of sandy soil layer of soil-imitation slope surface layer
As can be seen from the above table, the soil-like slope surface layer prepared by the embodiments of the present invention has excellent performance, wherein the technical effect of embodiment 3 is the best; in each comparative example, a visible microcrack appeared; in the comparative example 1, synthetic coarse fibers are replaced by a hemp knife, and the prepared soil-like slope layer has high water absorption capacity and low compressive strength and tensile bonding strength; the auxiliary agent in the comparative example 2 is formed by mixing the ditolyl ether, the methyl silicone oil and the dimethylaminopropylamine according to the weight ratio of 1:1.1:1.2, the water absorption capacity is slightly reduced, but the water absorption capacity is still higher than that of the example, and the compressive strength and the tensile bonding strength are lower than those of the example; compared with the prior art, montmorillonite is omitted in the comparative example 3, and all parameters are low, so that the compressive strength and the tensile bonding strength of the soil-like slope layer can be better improved by mixing the montmorillonite with other powder materials. In comparative example 4, the flame retardant was replaced with the aliphatic halogenated hydrocarbon flame retardant, and the compressive strength and tensile bond strength of the obtained imitation soil slope layer were slightly increased as compared with those of other comparative examples, but were slightly decreased as compared with those of the respective examples, and the water absorption capacity was high.
The soil-imitation slope surface layer is finished at one time by arranging the framework layer and the sandy soil layer and spraying the sandy soil layer on the framework layer, so that the construction period is shortened; in addition, montmorillonite and synthetic fiber are added into the powder of the sandy soil layer, and a flame retardant and an auxiliary agent in a specific proportion are added into the liquid material, so that the peeling and falling of the coating are effectively avoided, the primary color of the cement mortar is exposed, and the integral attractive effect is achieved.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The large-area soil-imitation slope surface layer is characterized by comprising a framework layer and a sand layer, wherein the sand layer comprises the following components in parts by weight:
10-20 parts of cement, 30-60 parts of sand, 2.5-8 parts of inorganic pigment, 2-6 parts of glue and 80-100 parts of water; 5-10 parts of montmorillonite, 1-3 parts of assistant, 0.5-1.5 parts of color fixing agent, 2-5 parts of flame retardant and 8-16 parts of synthetic crude fiber;
the synthetic coarse fibers include one or more of polypropylene fibers (PPF), polyethylene fibers (PEF), polyvinyl alcohol fibers (PVAF), polyester fibers (PETF), or polyamide fibers (PAF).
2. The large-area soil-like slope layer according to claim 1, wherein the sandy soil layer comprises, in parts by weight:
12-18 parts of cement, 40-50 parts of sand, 4-7 parts of inorganic pigment, 3-5 parts of glue and 85-95 parts of water; also comprises 7 to 9 portions of montmorillonite, 1.5 to 2.5 portions of auxiliary agent, 0.8 to 1.2 portions of color fixing agent, 3 to 4 portions of flame retardant and 10 to 14 portions of synthetic crude fiber.
3. The large-area soil-like slope layer according to claim 1, wherein the sandy soil layer comprises, in parts by weight:
15 parts of cement, 45 parts of sand, 6 parts of inorganic pigment, 4 parts of glue and 90 parts of water; the composite material also comprises 8 parts of montmorillonite, 2 parts of auxiliary agent, 1 part of color fixing agent, 3.5 parts of flame retardant and 12 parts of synthetic crude fiber.
4. The large area simulated soil slope surface layer as claimed in claim 1, wherein said fire retardant comprises one or more of tributyl phosphate, tris (2-ethylhexyl) phosphate, tris (2-chloroethyl) phosphate, tris (2, 3-dichloropropyl) phosphate, tris (2, 3-dibromopropyl) phosphate, Pyrol 99.
5. The large-area soil-like slope layer according to claim 1, wherein the auxiliary agent comprises silica powder, desulfurized gypsum and triethanolamine according to a ratio of 1: 0.8-1.2: 1-1.5 by weight ratio.
6. The large-area soil-like slope surface layer according to claim 1, wherein the color fixing agent is sodium ethylene diamine tetra methylene phosphonate, polyvinylpyrrolidone, propylene glycol alginate and polyhexamethylene guanidine in a ratio of 1: 0.5: 0.5: 0.8 by weight ratio.
7. The large-area soil-like slope layer according to claim 1, wherein the inorganic pigment is selected from iron black powder, iron yellow powder and iron red powder; the sand is fine sand of 70-100 meshes.
8. The large-area soil-imitation slope layer according to claim 1, wherein the manufacturing method of the large-area soil-imitation slope layer comprises the following steps:
s1, according to the proportion, firstly stirring and mixing cement, sand, montmorillonite and synthetic fiber to obtain powder, and then uniformly mixing iron yellow powder, iron red powder, iron black powder, glue, water, an auxiliary agent, a color fixing agent and a flame retardant to obtain a liquid material;
s2, adding the liquid material into the powder material, and stirring for 10-20 minutes to obtain a mortar raw material of the sand layer;
and S3, binding the steel skeleton and the steel wire mesh to form a skeleton layer, and coating the mortar raw material in the step S2 on the outside of the skeleton layer by combining a shotcrete machine and a worker to obtain the soil-imitated slope layer.
9. The large-area soil-like slope surface layer according to claim 8, wherein the coating process in step S3 comprises the following steps:
s31, spraying mortar raw materials on the inner side of the steel wire mesh by the aid of the mortar spraying machine to form a first sand layer;
s32, when the dryness of the first sandy soil layer is 60% -70%, spraying a mortar raw material on the outer side of the steel wire mesh by using the sand blasting machine to form a second sandy soil layer;
s33, when the dryness of the second sandy soil layer is 65-75%, spraying mortar raw materials on the outer side of the second sandy soil layer by using the sand blasting machine to form a third sandy soil layer;
and S34, when the dryness of the third sand layer is 70%, performing effect modeling by manual work.
10. The large area soil imitation slope layer of claim 9, wherein the first layer of sand is in the range of 8-12mm thick; the thickness of the second sand layer is 8-12 mm; the thickness range of the third sand layer is 13-17 mm.
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