CN110154227B - Environment-friendly energy-saving waterproof wall material for prefabricated building and production method thereof - Google Patents
Environment-friendly energy-saving waterproof wall material for prefabricated building and production method thereof Download PDFInfo
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- CN110154227B CN110154227B CN201910368518.3A CN201910368518A CN110154227B CN 110154227 B CN110154227 B CN 110154227B CN 201910368518 A CN201910368518 A CN 201910368518A CN 110154227 B CN110154227 B CN 110154227B
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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
- B28B1/08—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
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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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
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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
- C04B2111/40—Porous or lightweight materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Building Environments (AREA)
- Paints Or Removers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the field of wall materials for buildings such as industrial plants, civil houses, hotels, schools and the like, in particular to an environment-friendly energy-saving waterproof wall material for fabricated buildings and a production method thereof. 900-1400 parts of lightweight concrete; 1.75-2.1 parts of an adhesive; 5.52-6.07 parts of energy-saving materials; 60-90 parts of a steel bar material; 25-30 parts of a pre-buried member; 2.2-3.3 parts of a composite connecting piece; decorating materials: 4.2-5.2 parts of inner wall putty, 5.2-7.0 parts of outer wall putty and 10.5-14 parts of waterproof emulsion paint; the light coarse particle material is particles made of one or more of waste polyphenyl foam, polyurethane foam and waste phenolic resin foam, the particle size is 5-15 mm, and the bulk density is 10kg/m3. The invention has the advantages of low water absorption, no toxicity, no harm, heat preservation, energy conservation and long service life.
Description
Technical Field
The invention relates to the field of wall materials for buildings such as industrial plants, civil houses, hotels, schools and the like, in particular to an environment-friendly energy-saving waterproof wall material for fabricated buildings and a production method thereof.
Background
The existing wall material products for steel structure buildings and reinforced concrete buildings generally have the following defects:
1) the energy-saving and environment-friendly performance is poor, particularly, a cold (hot) bridge of the composite wall material cannot be solved, indoor frosting caused by the cold bridge can be seen in winter particularly in the north, and when the indoor temperature is slightly higher, condensed water is formed at the frosting part; and the energy loss is large in the south due to the heat bridge during refrigeration, and the problem is not solved for many years.
2) The existing composite wall material in the market at present generates tiny gaps between interfaces due to different densities and physical and chemical properties of two materials between outer-leaf reinforced concrete and sandwich energy-saving materials, and due to the generation of the gaps between the interfaces, condensed water is generated in winter in the north, and the outer-leaf reinforced concrete is damaged due to repeated freezing expansion, so that the service life of a building is seriously influenced.
3) The composite wall material introduced and purchased from abroad in two or three years is used for composite FRP connecting pieces, belongs to glass fiber reinforced plastic materials made of certain resin, has poor aging resistance and durability, and has great influence on the durability of buildings.
4) Common concrete composite prefabricated wall materials appear in every part of nearly ten years in China, the board surface density is high, the composite wall materials produced by several enterprises in a certain province and a few enterprises are taken as examples, the manufacturing, transporting and hoisting difficulty is high, the requirements of assembled steel structure buildings and assembled concrete buildings cannot be met, and the market is not acceptable due to the fact that the production cost, the transporting cost and the installing cost are too high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an environment-friendly energy-saving waterproof wall material for an assembly type building and a production method thereof. The invention has the advantages of low water absorption, no toxicity, no harm, heat preservation, energy conservation and long service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
the environment-friendly energy-saving waterproof wall material for the fabricated building comprises the following raw materials in parts by weight:
decorating materials: 4.2-5.2 parts of inner wall putty, 5.2-7.0 parts of outer wall putty and 10.5-14 parts of waterproof emulsion paint;
the lightweight concrete is foam particle concrete, and the concrete comprises the following raw materials in parts by weight:
the light coarse particle material is particles made of one or more of waste polyphenyl foam, polyurethane foam and waste phenolic resin foam, the particle size is 2-5 mm, and the bulk density is 10kg/m3；
The flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, antimony trioxide and zinc borate, the content is more than or equal to 95%, and the particle size is 400 meshes;
the cementing material is 42.5 cement and/or 52.5 cement;
the fine aggregate is washed iron tailing sand with the particle size of 1.0-4.5 mm and the bulk density of 1550Kg/m3The mud content is less than 1 percent;
the coarse aggregate is washed iron tailing crushed stone with the particle size of 5-20 mm and the bulk density of 1300kg/m3The mud content is less than 1 percent;
the auxiliary material is blast furnace slag micro powder, the content of sulfur trioxide in percentage by mass is less than or equal to 4%, and the ignition loss is less than or equal to 3%;
the waterproof agent is one of aluminum sulfate, calcium stearate, zinc stearate, methyl siloxane, methyl sodium silicate, methyl potassium silicate, methyl sodium silanol, methyl potassium silanol and aluminum potassium sulfate dodecahydrate;
the water reducing agent is a polycarboxylic acid water reducing agent and/or a naphthalene water reducing agent.
The adhesive is one of polyvinyl acetate emulsion, ethylene-propylene emulsion and vinyl acetate-ethylene copolymer emulsion.
The energy-saving material is one of a flame-retardant polyphenyl board, a flame-retardant polyurethane board and a flame-retardant phenolic resin board, and the density of the energy-saving material is 20-22 kg/m3。
The steel bar is corrosion-resistant steel wire or cold-rolled corrosion-resistant deformed steel; the corrosion-resistant steel is made of 10CrNiCuP or 8CrNiCuP, and the specification is as follows: a diameter of 5-12 mm and a density of 60-90 Kg/m3。
The composite connecting piece is a composite broken bridge type JFRP connecting piece and adopts 10The CrNiCuP and 8CrNiCuP core material is made by coating and winding glass fiber reinforced plastics, the diameter of the core material is 10-20 mm, the length is less than or equal to 150mm, and the density is 4-6 pieces/m2The thickness of the glass fiber reinforced plastic composite layer is 2-3 mm, and the density of the composite layer is more than 1750Kg/m3And a thermal conductivity of 0.45 to 0.80 w/m.k.
The pre-embedded part is assembled by adopting corrosion-resistant steel, a lifting ring and an assembling connecting piece; the corrosion-resistant steel is made of 10CrNiCuP or 8CrNiCuP, the lifting ring is made of round steel with the diameter of 12-20 mm, the assembly connecting piece is made of a plate with the thickness of 10-15 mm, the diameter of the anchoring rib is 10-20 mm, and the dosage per square meter is 25-32 Kg/m2。
The decorative material is 1.2-1.5 Kg/m of interior wall putty per square meter2The dosage of the exterior wall putty per square meter is 1.5-2.0 Kg/m2The dosage of the waterproof latex paint per square meter is 1.5-2.0 Kg/m2。
A production method of an environment-friendly energy-saving waterproof wall material for an assembly type building specifically comprises the following steps:
1) preparing the lightweight concrete
Firstly, adding dry materials except the light coarse particle materials into a forced stirrer according to the components, and uniformly stirring for 1.5-2 min;
secondly, adding water and other liquid materials according to the components, and uniformly stirring for 1.5-2 min;
thirdly, adding the light coarse particle materials according to the components, and uniformly stirring for 50-75 s;
2) manufacturing of steel bar, lifting ring and embedded part
Firstly, longitudinal and transverse ribs are made of corrosion-resistant steel with the diameter of 5-12 mm, the distance is less than @200, reinforcing steel bars are arranged on the periphery and corners of a door and window opening, and the reinforcing steel bars are made of corrosion-resistant deformed steel bars with the diameter of 12-14 mm;
secondly, the lifting ring is made of U-shaped corrosion-resistant steel with the diameter of 14-20 mm, and the total length is 1200-1600 mm;
thirdly, the pre-embedded part is made of corrosion-resistant steel plates with the thickness of 10-15 mm, the anchoring ribs are made of corrosion-resistant steel with the diameter of 10-12 mm, and the distance is less than @ 100; the connecting bolts M14-18 are made of corrosion-resistant steel, the length of the working rod is 100-120 mm, and the length of the thread is 60-80 mm;
3) manufacturing energy-saving material plates, spraying adhesive and assembling connecting pieces into parts
Firstly, energy-saving material plate: a density of 20 to 22kg/m3The thickness is 60-80 mm, the width is more than 600mm, and the length is more than 600 mm;
secondly, spraying an adhesive on the surface of the energy-saving material plate, wherein the dosage of the adhesive per square meter is 0.25-0.3 Kg/m2；
Assembling JFRP connecting pieces on the energy-saving material plate, wherein the longitudinal and transverse distances are 400mm and 600mm respectively, and the distance from the edges is more than 100 mm;
assembling the JFRP connecting piece on the energy-saving material plate, wherein the anchoring length in a single blade is not less than 30mm, and the thickness of the protective layer is not less than 25 mm;
4) a mold table and a mold are combined, and a release agent is coated;
5) arranging and installing outer-leaf steel bars, and ensuring that the thickness of a lightweight concrete protective layer of the steel bars is more than or equal to 20mm by using cushion blocks made of cement mortar;
6) pouring outer leaf lightweight concrete, wherein the amplitude of a vibration exciter of a die table is less than or equal to 1.5mm, the frequency is less than or equal to 16 times/S, and the vibration is carried out for 10-20S;
7) arranging and installing energy-saving material plates and connecting piece parts;
8) after the perforated plate tube core is coated with a release agent, arranging and installing the perforated plate tube core;
9) arranging and installing inner-leaf steel bars, arranging and installing a hanging ring and an embedded part, and ensuring that the thickness of a lightweight concrete protective layer of the steel bars is more than or equal to 20mm by utilizing a cushion block made of cement mortar;
10) pouring lightweight concrete for the inner blade, wherein the amplitude of a vibration exciter of the die table is less than or equal to 1.5mm, the frequency is less than or equal to 16 times/S, and the vibration time is 15-20S;
11) naturally curing, conditionally curing for 6 hours at the temperature of 50-65 ℃ in a steam kiln, discharging from the kiln, and maintaining to 28D in a moisture-preserving manner;
12) the amount of the decorative putty for scraping the inner wall is 1.2 to 1.5Kg/m per square meter2The amount of putty for exterior wall is 1.5-2.0 Kg/m per square meter2；
13) Spraying waterproof emulsion paint with the dosage of 1.5-2.0 Kg/m per square meter2And (6) detecting the product and warehousing the qualified product.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention utilizes industrial, agricultural and domestic wastes to produce lightweight concrete with the solid density of 900-1400 kg/m3The compressive strength is 13.0-20.0 MPa, the water absorption is less than 1%, the freeze-thaw (70 times) loss is less than 2%, and the environment-friendly and energy-saving waterproof wall material produced by the invention can meet the requirements of environment protection and energy saving in production and use in different areas such as the north and the south.
2. The coating has the advantages of no toxicity, no harm, flame retardance, heat preservation, energy conservation, freezing resistance, sound insulation, environmental protection, good durability and long service life (more than 70 years), and simultaneously the product has the advantages of waste utilization and environmental protection in the production process.
Detailed Description
The following further illustrates embodiments of the invention, but is not intended to limit the scope thereof:
an environment-friendly energy-saving waterproof wall material for an assembly type building and a production method thereof.
The first step is that the following materials are combined according to the mass portion ratio to prepare the light concrete for the environment-friendly energy-saving waterproof wall material for the fabricated building.
1. Preparing raw materials according to the following mass portions
Light coarse particle material: one of particles made of waste polystyrene foam, polyurethane foam and waste phenolic resin foam is required to have the particle size of 2-5 mm and the bulk density of 10Kg/m3。
Flame retardant: one to two of magnesium hydroxide, aluminum hydroxide, antimony trioxide and zinc borate, the required content is more than or equal to 95 percent, and the grain diameter is 400 meshes.
And (3) cementing materials: is one of 42.5 and 52.5 cement.
Adhesive: one of polyvinyl acetate emulsion, ethylene-propylene emulsion and vinyl acetate-ethylene copolymer emulsion.
One kind of (1).
Fine aggregate: washing iron tailing sand with the particle size of 1.0-4.5 mm and the bulk density of 1550Kg/m3The mud content is less than 1 percent.
Coarse aggregate: washing iron tailing crushed stone with the particle size of 5-20 mm and the bulk density of 1300kg/m3The mud content is less than 1 percent.
Auxiliary materials: the content of sulfur trioxide in the blast furnace slag micro powder is less than or equal to 4 percent, and the loss on ignition is less than or equal to 3 percent.
Water-proofing agent: one of aluminum sulfate, calcium stearate, zinc stearate, methyl siloxane, sodium methyl silicate, potassium methyl silicate, sodium methyl silanol, potassium methyl silanol and aluminum potassium sulfate dodecahydrate.
Water reducing agent: one of a polycarboxylic acid water reducing agent and a naphthalene water reducing agent.
Water: the building material uses water to execute corresponding national standard specifications.
2. The invention relates to a production process of lightweight concrete
Firstly, adding dry materials except the light coarse particle materials into a forced stirrer according to the components, and uniformly stirring for 1.5-2 min;
secondly, adding water and other liquid materials according to the components, and uniformly stirring for 1.5-2 min;
thirdly, adding the light coarse particle materials according to the components, and uniformly stirring for 50-75 s;
the second step is that the production of the environmental protection and energy saving waterproof wall material for the fabricated building is to combine the following materials according to the mass portion to prepare qualified products:
preparing raw materials according to the following mass portions
Light concrete: 900-1400 parts; adhesive: 1.75-2.1 parts;
energy-saving materials: 5.52-6.07 parts; steel bar material: 60-90 parts;
pre-embedding: 25-30 parts of a solvent; compound connecting piece: 2.2-3.3 parts;
decorating materials: inner wall putty: 4.2-5.2 parts of exterior wall putty: 5.2-7.0 parts of waterproof emulsion paint: 10.5-14 parts, wherein:
light concrete: foam particle concrete.
Adhesive: one of polyvinyl acetate emulsion, ethylene-propylene emulsion and vinyl acetate-ethylene copolymer emulsion.
Energy-saving materials: flame-retardant polyphenyl board, flame-retardant polyurethane board, flame-retardant phenolic resin board and density of 20-22 kg/m3One of (1);
reinforcing steel bars: the corrosion-resistant steel (the material is 10CrNiCuP and 8CrNiCuP) wire rod or cold rolling corrosion-resistant deformed steel bar, the specification is required: phi is 5-12 mm; 60 to 90Kg/m3。
Compound connecting piece: the composite bridge-cut-off type JFRP connecting piece is made by coating and winding a core material made of self-made corrosion-resistant steel (the material is 10CrNiCuP or 8CrNiCuP) on glass fiber reinforced plastic, and the specification of the core material is 10-20 mm, the length is less than or equal to 150mm, and 4-6 square meters are required. The thickness of the glass fiber reinforced plastic composite layer is 2-3 mm, and the density of the composite layer is more than 1750Kg/m3And a thermal conductivity of 0.45 to 0.80 w/m.k.
Pre-embedding: corrosion resistant steel (the material chooses for use 10CrNiCuP, 8CrNiCuP) rings and assembly connectors for the assembly, requires that rings choose round steel phi 12 ~ 20mm for use, and plate thickness b is chosen for the assembly connectors: 10-15 mm, 10-20 mm of anchoring rib phi, 25-32 Kg/m3。
Decorating materials: the dosage of the interior wall putty is 1.2-1.5 Kg/square meter, the dosage of the exterior wall putty is 1.5-2.0 Kg/square meter, and the dosage of the waterproof emulsion paint is 1.5-2.0 Kg/square meter.
A production method of an environment-friendly energy-saving waterproof wall material for an assembly type building comprises the following steps:
1) manufacturing of steel bar, lifting ring and embedded part
Firstly, steel bar configuration: the longitudinal and transverse ribs are corrosion-resistant steels phi 5-phi 12, the distance is less than @200, the length is according to the corresponding size of the cladding panel, the reinforcing steel bars arranged at the periphery and the corner of the door and window opening are corrosion-resistant screw-thread steels phi 12-14, and the steel bars are all manufactured according to the corresponding standard of national standard.
Secondly, the lifting ring is provided with U-shaped corrosion-resistant steel phi 14-phi 20, the total length is 1200-1600 mm, and the steel is manufactured according to corresponding national standard specifications.
Thirdly, configuring the thickness b of the corrosion-resistant steel plate by using the embedded piece: 10-15 mm, wherein the anchoring ribs are corrosion-resistant steel phi 10-phi 12, and the distance is less than @ 100; the pre-buried member is provided with connecting bolts made of corrosion-resistant steel M14-18, the length of a working rod of the corrosion-resistant bolt is 100-120, and the length of a thread is 60-80 mm; all manufactured according to the corresponding standard of national standard.
2) Manufacturing energy-saving material plates, spraying adhesive and assembling connecting pieces into parts
Firstly, an energy-saving material plate with the density of 20-22 kg/m3The steel plate is processed into a steel plate with the thickness of 60-80 mm, the width of more than 600mm and the length of more than 600 mm.
Secondly, spraying an adhesive on the surface of the energy-saving material plate, wherein the adhesive is 0.25-0.3 kg per square meter.
And thirdly, assembling the JFRP connecting piece on the energy-saving material plate, wherein the longitudinal and transverse distances are respectively 400mm and 600mm, and the distance from the edge is more than 100 mm.
And fourthly, assembling the JFRP connecting piece on the energy-saving material plate, wherein the anchoring length in a single blade is not less than 30mm, and the thickness of the protective layer is not less than 25 mm.
3) A mold table, a mold combination and a coating parting medium.
4) And arranging and installing the outer-leaf steel bars, and ensuring that the thickness of the lightweight concrete protective layer of the steel bars is more than or equal to 20mm by using the cushion blocks made of cement mortar.
5) And pouring the lightweight concrete of the outer leaves, wherein the amplitude of a vibration exciter of the die table is less than or equal to 1.5mm, the frequency is less than or equal to 16 times/S, and the vibration is carried out for 10-20S.
6) And arranging and installing the energy-saving material plates and the connecting piece parts.
7) And after the perforated plate tube core is coated with a release agent, arranging and installing the perforated plate tube core.
8) The inner-leaf steel bars are arranged and installed, the hanging rings and the embedded parts are arranged and installed, and the cushion blocks made of cement mortar are used for ensuring that the thickness of the lightweight concrete protective layer of the steel bars is larger than or equal to 20 mm.
9) Pouring the light concrete of the inner blade, wherein the amplitude of a vibration exciter of the die table is less than or equal to 1.5mm, the frequency is less than or equal to 16 times/S, and the vibration time is 10-20S.
10) And naturally maintaining. And conditionally controlling the temperature of the steam entering the kiln to be 50-65 ℃, curing for 6h, and discharging from the kiln. And (5) moisturizing and maintaining to 28D.
11) 1.2-1.5 kg of decorative putty for scraping interior walls per square meter and 1.5-2.0 kg of putty for scraping exterior walls per square meter.
12) And spraying 1.5-2.0 kg of waterproof emulsion paint per square meter.
And (6) detecting and inspecting, and warehousing qualified products.
Example 1:
the invention relates to an environment-friendly energy-saving waterproof wall material for an assembly type building and a production method thereof, and the method comprises the following specific operation steps:
the first step is that the following materials are combined according to the mass portion ratio to prepare the light concrete for the environment-friendly energy-saving waterproof wall material for the fabricated building.
Preparing the following raw materials in parts by mass:
light coarse particle material: waste polyphenyl foam particles, 5.0 parts.
Flame retardant: 16.5 portions of magnesium hydroxide with the content more than or equal to 95 percent and the grain diameter of 400 meshes.
And (3) cementing materials: 42.5 parts of cement and 480 parts of cement.
Adhesive: 3.0 parts of polyvinyl acetate emulsion.
Fine aggregate: 400 parts of iron washing tailing sand.
Coarse aggregate: 720 parts of water-washed iron tailing crushed stone.
Auxiliary materials: 30 parts of blast furnace slag micro powder.
Water-proofing agent: methylsiloxane, 21.6 parts.
Water reducing agent: 7.2 parts of a polycarboxylic acid water reducing agent.
Water: 170 parts of water for building materials, and corresponding national standard specifications.
The second step is that the production of the environmental protection and energy saving waterproof wall material for the fabricated building is to combine the following materials according to the mass portion to prepare qualified products:
preparing the following raw materials in parts by mass:
light concrete: 1400 parts of foam particle concrete.
Adhesive: 1.75 parts of acrylate emulsion.
Energy-saving materials: flame-retardant polystyrene board with density of 20/m3And 5.52 parts.
Reinforcing steel bars: corrosion resistant steel wire, specification: phi 6.5 mm; 70Kg/m3。
Compound connecting piece: the composite bridge-cutoff JFRP connecting piece has the specification of phi 16mm, the length of less than or equal to 150mm and 6 per square meter.
Pre-embedding: corrosion resistant steel rings and assembly connectors are used in the assembly, and round steel phi 14mm is selected for use to rings, and panel thickness b is selected for use to assembly connectors: 10mm, 10mm of anchoring rib, 30Kg/m3。
Decorating materials: the dosage of the putty for the inner wall is 1.2 Kg/square meter, the dosage of the putty for the outer wall is 1.5 Kg/square meter, and the dosage of the waterproof emulsion paint is 1.5 Kg/square meter.
And (3) detection results: solid density 1412.3kg/m3The compression strength is 30.13MPa, the water absorption is less than 1 percent, and the freeze-thaw (50 times) loss is less than 2 percent.
Example 2:
the invention relates to an environment-friendly energy-saving waterproof wall material for an assembly type building and a production method thereof, and the method comprises the following specific operation steps:
the first step is that the following materials are combined according to the mass portion ratio to prepare the light concrete for the environment-friendly energy-saving waterproof wall material for the fabricated building.
Preparing the following raw materials in parts by mass:
light coarse particle material: waste polyurethane foam particles, 5.68 parts.
Flame retardant: 18.9 portions of aluminum hydroxide with the content more than or equal to 95 percent and the grain diameter of 400 meshes.
And (3) cementing materials: 42.5 parts of cement and 480 parts of cement.
Adhesive: 3.41 parts of polyvinyl acetate emulsion.
Fine aggregate: 350 parts of iron tailing sand washed with water.
Coarse aggregate: and 635 parts of water-washed iron tailing crushed stone.
Auxiliary materials: 30 parts of blast furnace slag micro powder.
Water-proofing agent: potassium methylsilicate, 21.6 parts.
Water reducing agent: 7.2 parts of a polycarboxylic acid water reducing agent.
Water: 170 parts of water for building materials, and corresponding national standard specifications.
The second step is that the production of the environmental protection and energy saving waterproof wall material for the fabricated building is to combine the following materials according to the mass portion to prepare qualified products:
preparing the following raw materials in parts by mass:
light concrete: foam particle concrete, 1235 parts.
Adhesive: 1.75 portions of ethylene-propylene emulsion.
Energy-saving materials: the density of the flame-retardant polyurethane board is 22kg/m35.8 parts;
reinforcing steel bars: corrosion resistant steel wire, specification: phi is 6.5-12 mm; 70Kg/m3。
Compound connecting piece: the composite bridge-cutoff JFRP connecting piece has the specification of phi 16mm, the length of less than or equal to 150mm and 6 per square meter.
Pre-embedding: corrosion resistant steel rings and assembly connectors are used in the assembly, and round steel phi 14mm is selected for use to rings, and panel thickness b is selected for use to assembly connectors: 10mm, 10mm of anchoring rib, 30Kg/m3。
Decorating materials: the dosage of the putty for the inner wall is 1.2 Kg/square meter, the dosage of the putty for the outer wall is 1.5 Kg/square meter, and the dosage of the waterproof emulsion paint is 1.5 Kg/square meter.
And (3) detection results: solid density 1236.2kg/m3The compressive strength is 27.68MPa, the water absorption is less than 1 percent, and the freeze-thaw (50 times) loss is less than 2 percent.
Example 3:
the invention relates to an environment-friendly energy-saving waterproof wall material for an assembly type building and a production method thereof, and the method comprises the following specific operation steps:
the first step is that the following materials are combined according to the mass portion ratio to prepare the light concrete for the environment-friendly energy-saving waterproof wall material for the fabricated building.
Preparing the following raw materials in parts by mass:
light coarse particle material: 6.36 parts of waste phenolic resin foam particles.
Flame retardant: 18.08 portions of antimony trioxide with the content more than or equal to 95 percent and the grain diameter of 400 meshes.
And (3) cementing materials: 42.5 parts of cement and 480 parts of cement.
Adhesive: 3.82 portions of vinyl acetate-ethylene copolymer emulsion.
Fine aggregate: 310 portions of water washing iron tailing sand.
Coarse aggregate: 550 parts of water-washed iron tailing crushed stone.
Auxiliary materials: 30 parts of blast furnace slag micro powder.
Water-proofing agent: sodium methylsiliconate, 21.6 parts.
Water reducing agent: 7.2 portions of naphthalene water reducer.
Water: 170 parts of water for building materials, and corresponding national standard specifications.
The second step is that the production of the environmental protection and energy saving waterproof wall material for the fabricated building is to combine the following materials according to the mass portion to prepare qualified products:
preparing the following raw materials in parts by mass:
light concrete: foam particle concrete, 1090 parts.
Adhesive: 1.75 parts of acrylate emulsion.
Energy-saving materials: flame-retardant phenolic resin plate with density of 22kg/m36.2 parts;
reinforcing steel bars: corrosion resistant steel wire, specification: phi 5 mm; 60Kg/m3。
Compound connecting piece: the composite bridge-cutoff JFRP connecting piece is required to have the specification of phi 16mm, the length of less than or equal to 150mm and 4 per square meter.
Pre-embedding: corrosion resistant steel rings and assembly connectors are used in the assembly, and round steel phi 14mm is selected for use to rings, and panel thickness b is selected for use to assembly connectors: 10mm, 10mm phi of anchoring rib and 25Kg/m3。
Decorating materials: the putty for the inner wall is 1.2Kg per square meter, the putty for the outer wall is 1.5Kg per square meter, and the waterproof emulsion paint is 1.5Kg per square meter.
And (3) detection results: solid density 1068.3kg/m3The compressive strength is 25.35MPa, the water absorption is less than 1 percent, and the freeze-thaw (50 times) loss is less than 2 percent.
Example 4:
the invention relates to an environment-friendly energy-saving waterproof wall material for an assembly type building and a production method thereof, and the method comprises the following specific operation steps:
the first step is that the following materials are combined according to the mass portion ratio to prepare the light concrete for the environment-friendly energy-saving waterproof wall material for the fabricated building.
Preparing the following raw materials in parts by mass:
light coarse particle material: waste phenolic resin foam particles, 7 parts.
Flame retardant: 23.1 portions of zinc borate with the content more than or equal to 95 percent and the grain diameter of 400 meshes.
And (3) cementing materials: 42.5 parts of cement and 480 parts of cement.
Adhesive: 4.2 portions of vinyl acetate-ethylene copolymer emulsion.
Fine aggregate: and (4) 260 parts of iron tailing sand washed with water.
Auxiliary materials: 30 parts of blast furnace slag micro powder.
Water-proofing agent: potassium methylsilanolate, 21.6.
Water reducing agent: naphthalene series water reducing agent, 7.2.
Water: 170 parts of water for building materials, and corresponding national standard specifications.
The second step is that the production of the environmental protection and energy saving waterproof wall material for the fabricated building is to combine the following materials according to the mass portion to prepare qualified products:
light concrete: 900 parts of foam particle concrete.
Adhesive: 1.75 parts of acrylate emulsion.
Energy-saving materials: flame-retardant polystyrene board with density of 20kg/m3And 5.52 parts.
Reinforcing steel bars: the corrosion-resistant steel wire or the cold-rolled corrosion-resistant deformed steel bar has the following required specifications: phi 5 mm; 65Kg/m3。
Compound connecting piece: the composite bridge-cutoff JFRP connecting piece is required to have the specification of phi 16mm, the length of less than or equal to 150mm and 4 per square meter.
Pre-embedding: corrosion resistant steel rings and assembly connecting piece are used in the assembly, require that the rings select for use round steel phi 14mm, and plate thickness b is selected for use to the assembly connecting piece: 10mm, 10mm phi of anchoring rib and 25Kg/m3。
Decorating materials: the putty for the inner wall is 1.2Kg per square meter, the putty for the outer wall is 1.5Kg per square meter, and the waterproof emulsion paint is 1.5Kg per square meter.
And (3) detection results: solid density 912.25kg/m3The compression strength is 23.15MPa, the water absorption is less than 1 percent, and the freeze-thaw (50 times) loss is less than 2 percent.
The invention utilizes industrial, agricultural and domestic wastes to produce lightweight concrete with the solid density of 900-1400 kg/m3The compressive strength is 13.0-20.0 MPa, the water absorption is less than 1%, the freeze-thaw (70 times) loss is less than 2%, and the environment-friendly and energy-saving waterproof wall material produced by the invention can meet the requirements of environment protection and energy saving in production and use in different areas such as the north and the south.
The invention has the advantages of no toxicity, no harm, flame retardance, heat preservation, energy conservation, frost resistance, sound insulation, environmental protection, good durability and long service life (more than 70 years), and simultaneously the product has the advantages of waste utilization and environmental protection in the production process.
The invention realizes that the product is nontoxic and harmless, reduces the water absorption rate, improves the freezing resistance, prolongs the service life, meets the environmental protection requirement of human beings on the living environment, and improves the working environment of industrial workers; the raw material consumption and the energy consumption are reduced while the industrial waste is fully utilized, so that the utilization of the industrial waste by enterprises is maximized, and the waste discharge is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The environment-friendly energy-saving waterproof wall material for the fabricated building is characterized by comprising the following raw materials in parts by weight:
decorating materials: 4.2-5.2 parts of inner wall putty, 5.2-7.0 parts of outer wall putty and 10.5-14 parts of waterproof emulsion paint;
the lightweight concrete is foam particle concrete, and the concrete comprises the following raw materials in parts by weight:
the light coarse particle material is particles made of one or more of waste polyphenyl foam, polyurethane foam and waste phenolic resin foam, the particle size is 2-5 mm, and the bulk density is 10kg/m3；
The flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, antimony trioxide and zinc borate, the content is more than or equal to 95%, and the particle size is 400 meshes;
the cementing material is 42.5 cement and/or 52.5 cement;
the fine aggregate is washed iron tailing sand with the particle size of 1.0-4.5 mm and the bulk density of 1550Kg/m3The mud content is less than 1 percent;
the coarse aggregate is washed iron tailing crushed stone with the particle size of 5-20 mm and the bulk density of 1300kg/m3The mud content is less than 1 percent;
the auxiliary material is blast furnace slag micro powder, the content of sulfur trioxide in percentage by mass is less than or equal to 4%, and the ignition loss is less than or equal to 3%;
the waterproof agent is one of aluminum sulfate, calcium stearate, zinc stearate, methyl siloxane, methyl sodium silicate, methyl potassium silicate, methyl sodium silanol, methyl potassium silanol and aluminum potassium sulfate dodecahydrate;
the water reducing agent is a polycarboxylic acid water reducing agent and/or a naphthalene water reducing agent.
2. The assembly type environment-friendly energy-saving waterproof wall material for the building as claimed in claim 1, wherein the adhesive is one of polyvinyl acetate emulsion, ethylene propylene emulsion and vinyl acetate-ethylene copolymer emulsion.
3. The environment-friendly energy-saving waterproof wall material for the fabricated building according to claim 1, wherein the energy-saving material is a flame-retardant polyphenyl board, a flame-retardant polyurethane board,One of the flame-retardant phenolic resin plates has the density of 20-22 kg/m3。
4. The assembly type environment-friendly energy-saving waterproof wall material for the building as claimed in claim 1, wherein the steel bar material is corrosion-resistant steel wire or cold-rolled corrosion-resistant screw steel; the corrosion-resistant steel is made of 10CrNiCuP or 8CrNiCuP, and the specification is as follows: a diameter of 5-12 mm and a density of 60-90 Kg/m3。
5. The environment-friendly energy-saving waterproof wall material for the fabricated building as claimed in claim 1, wherein the composite connecting member is a composite bridge-cut-off JFRP connecting member, and is made of 10CrNiCuP and 8CrNiCuP core materials which are coated and wound by glass fiber reinforced plastics, the diameter of the core materials is 10-20 mm, the length of the core materials is less than or equal to 150mm, and the density of the core materials is 4-6 pieces/m2The thickness of the glass fiber reinforced plastic composite layer is 2-3 mm, and the density of the composite layer is more than 1750Kg/m3And a thermal conductivity of 0.45 to 0.80 w/m.k.
6. The assembly type environment-friendly energy-saving waterproof wall material for the building as claimed in claim 1, wherein the pre-buried member is assembled by corrosion-resistant steel, a hanging ring and an assembly connecting member; the corrosion-resistant steel is made of 10CrNiCuP or 8CrNiCuP, the lifting ring is made of round steel with the diameter of 12-20 mm, the assembly connecting piece is made of a plate with the thickness of 10-15 mm, the diameter of the anchoring rib is 10-20 mm, and the dosage per square meter is 25-32 Kg/m2。
7. The environment-friendly energy-saving waterproof wall material for the prefabricated building as claimed in claim 1, wherein the amount of the interior wall putty per square meter is 1.2-1.5 Kg/m2The dosage of the exterior wall putty per square meter is 1.5-2.0 Kg/m2The dosage of the waterproof latex paint per square meter is 1.5-2.0 Kg/m2。
8. The production method of the environment-friendly energy-saving waterproof wall material for the fabricated building as claimed in claim 1 is characterized by comprising the following steps:
1) preparing the lightweight concrete
Firstly, adding dry materials except the light coarse particle materials into a forced stirrer according to the components, and uniformly stirring for 1.5-2 min;
secondly, adding water and other liquid materials according to the components, and uniformly stirring for 1.5-2 min;
thirdly, adding the light coarse particle materials according to the components, and uniformly stirring for 50-75 s;
2) manufacturing of steel bar, lifting ring and embedded part
Firstly, longitudinal and transverse ribs are made of corrosion-resistant steel with the diameter of 5-12 mm, the distance is less than @200, reinforcing steel bars are arranged on the periphery and corners of a door and window opening, and the reinforcing steel bars are made of corrosion-resistant deformed steel bars with the diameter of 12-14 mm;
secondly, the lifting ring is made of U-shaped corrosion-resistant steel with the diameter of 14-20 mm, and the total length is 1200-1600 mm;
thirdly, the pre-embedded part is made of corrosion-resistant steel plates with the thickness of 10-15 mm, the anchoring ribs are made of corrosion-resistant steel with the diameter of 10-12 mm, and the distance is less than @ 100; the connecting bolts M14-18 are made of corrosion-resistant steel, the length of the working rod is 100-120 mm, and the length of the thread is 60-80 mm;
3) manufacturing energy-saving material plates, spraying adhesive and assembling connecting pieces into parts
Firstly, energy-saving material plate: a density of 20 to 22kg/m3The thickness is 60-80 mm, the width is more than 600mm, and the length is more than 600 mm;
secondly, spraying an adhesive on the surface of the energy-saving material plate, wherein the dosage of the adhesive per square meter is 0.25-0.3 Kg/m2；
Assembling JFRP connecting pieces on the energy-saving material plate, wherein the longitudinal and transverse distances are 400mm and 600mm respectively, and the distance from the edges is more than 100 mm;
assembling the JFRP connecting piece on the energy-saving material plate, wherein the anchoring length in a single blade is not less than 30mm, and the thickness of the protective layer is not less than 25 mm;
4) a mold table and a mold are combined, and a release agent is coated;
5) arranging and installing outer-leaf steel bars, and ensuring that the thickness of a lightweight concrete protective layer of the steel bars is more than or equal to 20mm by using cushion blocks made of cement mortar;
6) pouring outer leaf lightweight concrete, wherein the amplitude of a vibration exciter of a die table is less than or equal to 1.5mm, the frequency is less than or equal to 16 times/S, and the vibration is carried out for 10-20S;
7) arranging and installing energy-saving material plates and connecting piece parts;
8) after the perforated plate tube core is coated with a release agent, arranging and installing the perforated plate tube core;
9) arranging and installing inner-leaf steel bars, arranging and installing a hanging ring and an embedded part, and ensuring that the thickness of a lightweight concrete protective layer of the steel bars is more than or equal to 20mm by utilizing a cushion block made of cement mortar;
10) pouring lightweight concrete for the inner blade, wherein the amplitude of a vibration exciter of the die table is less than or equal to 1.5mm, the frequency is less than or equal to 16 times/S, and the vibration time is 15-20S;
11) naturally curing, conditionally curing for 6 hours at the temperature of 50-65 ℃ in a steam kiln, discharging from the kiln, and maintaining to 28D in a moisture-preserving manner;
12) the amount of the decorative putty for scraping the inner wall is 1.2 to 1.5Kg/m per square meter2The amount of putty for exterior wall is 1.5-2.0 Kg/m per square meter2；
13) Spraying waterproof emulsion paint with the dosage of 1.5-2.0 Kg/m per square meter2And (6) detecting the product and warehousing the qualified product.
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