CN106677421A - Precast concrete component and preparation method thereof - Google Patents
Precast concrete component and preparation method thereof Download PDFInfo
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- CN106677421A CN106677421A CN201611250295.3A CN201611250295A CN106677421A CN 106677421 A CN106677421 A CN 106677421A CN 201611250295 A CN201611250295 A CN 201611250295A CN 106677421 A CN106677421 A CN 106677421A
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- concrete
- heat
- layer
- precast concrete
- decorative layer
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- 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
-
- 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
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
- B28B1/16—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted for producing layered articles
-
- 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
-
- 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
- B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
Abstract
The invention provides a precast concrete component and a preparation method thereof. The precast concrete component comprises a concrete structure layer, a heat preservation layer, a heat reflection layer, a concrete decorative layer and connecting pieces. The heat preservation layer is arranged on the concrete structure layer. The heat reflection layer is arranged on the heat preservation layer. The concrete decorative layer is arranged on the heat reflection layer. The connecting pieces enable all the layers to be connected with one another. Each connecting piece comprises a main body part, wherein one end of the main body part is embedded into the concrete decorative layer, and the other end of the main body part is embedded into the concrete structure layer. The precast concrete component adopts the connecting pieces for connection, the connecting strength and the structural reliability of the precast concrete component are improved, the problems that materials of the layers are different, accordingly the connecting strength is limited, and the layers are separated from one another are solved, accordingly, the mechanical performance of the precast concrete component is improved, and the service life of the precast concrete component is prolonged; and in addition, sunlight radiated to the precast concrete component is reflected by the concrete decorative layer and the heat reflection layer, heat insulation is further conducted through the heat preservation layer, and good heat insulation and energy-saving effects are achieved in various modes such as multi-layer reflection and heat insulation.
Description
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of precast concrete and preparation method thereof.
Background technology
At present, concrete is widely used in the places such as municipal administration, square, business building, and it is usually poured at the construction field (site)
Molding.Such as concrete, decorate because its surface exposes natural aggregate, be not required to additionally decorate again, outward appearance simplicity air, tone
Extremely from however be widely used.Generally concrete is cast-in-place concrete, then by washing process complete exposed on surface material process into
Type, but job site water source is in short supply, and washing process causes job site hydridization, clears up heavy, therefore bring to construction
A difficult problem.Additionally, the surface area of the concrete material such as concrete is huge, therefore its absorption to solar radiation is huge, is unfavorable for
Summer energy-saving.
The content of the invention
Based on this, it is necessary to provide a kind of structure reliability, precast concrete of good energy-conserving effect and preparation method thereof.
A kind of precast concrete, including：
Concrete；
Heat-insulation layer, on the concrete；
Heat-reflecting layer, on the heat-insulation layer；
Concrete decorative layer, on the heat-reflecting layer；And
Connector, the concrete, the heat-insulation layer, the heat-reflecting layer and the concrete decorative layer are connected
Connect, the connector includes main part, one end of the main part is embedded in the concrete decorative layer, and the other end is embedded in described mixed
Xtah Crude Clay structure layer.
Above-mentioned precast concrete, is filled concrete, heat-insulation layer, heat-reflecting layer and concrete using connector
Decorations layer connection, improves the structural reliability of bonding strength and precast concrete, it is to avoid material between layers is not
With the problem for causing bonding strength limited and departing between layers, and then improve its mechanical property and service life；In addition
Radiation is reflected in the sunlight of precast concrete through concrete decorative layer and heat-reflecting layer, then heat-insulated through heat-insulation layer,
Preferable heat-insulating and energy-saving effect is reached using reflection multilayer and heat-insulated various ways.The precast concrete is without the need for job site
Pour, can be used directly, be particularly well-suited to the remote locations such as municipal administration, square and business building.
Wherein in one embodiment, the raw materials by weight portion meter of the concrete decorative layer, including cement 440~
600 parts, 700~900 parts of stone, 1~20 part of 680~920 parts of sand, 100~220 parts of glass bead and metal alloy pigment.
Wherein in one embodiment, the metal alloy pigment selected from CoCrAl it is blue, NiSbTi is yellow, CoNiZnTi is green and
At least one during MnSbTi is brown.
Wherein in one embodiment, the heat-reflecting layer is selected from aluminium-foil paper, aluminizer and heat-reflecting glass at least
It is a kind of.
Wherein in one embodiment, the side wall of the main part is provided with groove, and the groove is leaned on positioned at the side wall
The position of the end of the nearly main part.
Wherein in one embodiment, the groove is circumferentially distributed along the side wall.
Wherein in one embodiment, the connector also includes stopper section, and the stopper section is connected to the main part
Middle part and vertical with the main part be connected.
Wherein in one embodiment, the side wall is respectively equipped with described recessed near the position at the both ends of the main part
Groove, and the groove is distributed in the both sides of the stopper section, the depth of the groove is along from the stopper section to the end
Direction gradually increases.
Wherein in one embodiment, the stopper section side contacts with the heat-insulation layer, opposite side and the concrete
Structure sheaf connects.
The preparation method of above-mentioned precast concrete, comprises the following steps：
The raw material of the concrete decorative layer is poured into into mould, to form the concrete decorative layer；
Heat-reflecting layer is formed on the raw material of the concrete decorative layer；
Heat-insulation layer is formed on the heat-reflecting layer；
One end of the connector is embedded in into the raw material of the heat-insulation layer, the heat-reflecting layer and the concrete decorative layer
And the end is not exposed to the raw material of the concrete decorative layer, the other end is exposed to the heat-insulation layer；
By concreting to form the concrete on the heat-insulation layer, and make the concrete will be described
Connector is covered；
Solidification, obtains the precast concrete.
The preparation method of above-mentioned precast concrete is simple, and molding is easy, and concrete decorative layer and concrete knot
The thickness of structure layer and the insert depth of connector are easily controllable, and the prefabricated of different surfaces effect is also obtained using different moulds
Concrete component；Simultaneously obtained precast concrete structure is reliable, heat-insulating and energy-saving effect is good, mechanical property is good and uses the longevity
Life length.
Description of the drawings
Fig. 1 is the structure chart of the precast concrete of an embodiment；
Fig. 2 is the structure chart of the connector of precast concrete shown in Fig. 1.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein "and/or" includes one or more phases
The arbitrary and all of combination of the Listed Items of pass.
Refer to Fig. 1, the precast concrete 10 of this preferred embodiment, including concrete 11, heat-insulation layer 12,
Heat-reflecting layer 13, concrete decorative layer 14 and connector 15.
11 load-bearing of concrete and supporting role.
It is appreciated that concrete 11 is prepared from by normal concrete in industry.Preferably, concrete knot
Structure layer 11 is super high strength concrete structure sheaf, and it is prepared from by super high strength concrete.By grade of compressive strength C100 in industry
And the concrete of the above thinks super high strength concrete.
Preferably, the thickness of concrete 11 is 15cm.
Heat-insulation layer 12 is on concrete 11.
Specifically, in the present embodiment, heat-insulation layer 12 all covers concrete 11.
Preferably, at least one of the heat-insulation layer 12 in organic heat-insulating layer and foaming cement thermal insulation layer.Specifically, it is organic
At least one of the heat-insulation layer in EPS heat-insulation layers and XPS heat-insulation layers.Wherein EPS heat-insulation layers are expansion polyphenyl plate, and XPS is incubated
Layer is extruded polystyrene board.Specifically, in the present embodiment, heat-insulation layer 12 is foaming cement thermal insulation layer.
Heat-reflecting layer 13 is on heat-insulation layer 12.It is thus by heat-reflecting layer 13 that the heat radiation of sunlight is further anti-
Penetrate, and then improve the energy-saving heat-insulating effect of precast concrete 10.
Preferably, at least one of the heat-reflecting layer 13 in aluminium-foil paper, aluminizer and heat-reflecting glass.Specifically, exist
In the present embodiment, heat-reflecting layer 13 all covers heat-insulation layer 12.
Preferably, concrete decorative layer 14 is dew aggregate concrete decorative layer.Concrete decorative layer 14, its surface exposure day
Right aggregate is decorated, and is not required to additionally decorate again, and outward appearance simplicity air, tone is extremely natural.Concrete decorative layer 14 by with
Lower raw material is prepared from.The raw materials by weight portion meter, including 440~600 parts of cement, 700~900 parts of stone, sand 680
1~20 part of~920 parts, 100~220 parts of glass bead and metal alloy pigment.
Preferably, metal alloy pigment selected from CoCrAl it is blue, during NiSbTi is yellow, CoNiZnTi is green and MnSbTi is brown at least
It is a kind of.
In concrete decorative layer 14 add glass bead can improve its mechanical strength as aglite, while because vitreous it is micro-
Pearl has cavity structure so as to possess preferable heat insulating effect.And adding metal alloy pigment can make concrete decorative layer
The 14 reflection sun, and then in sunlight 10%~20% heat radiation is reflected away, so as to play aobvious during the broiling summer
The energy-saving cool-down effect of work；Additionally according to the different colours demand of concrete decorative layer 14 metal of different colours can be selected to close
Golden pigment, it is both beautiful and practical.
Preferably, 460~550 parts of the raw materials by weight portion meter of concrete decorative layer 14, including cement, stone 750~
850 parts, 2~5 parts of 760~900 parts of sand, 170~200 parts of glass bead and metal alloy pigment.
Preferably, the particle diameter of stone is less than 5mm.
Preferably, the thickness of concrete decorative layer 14 is 10cm.
Connector 15 connects concrete 11, heat-insulation layer 12, heat-reflecting layer 13, concrete decorative layer 14.Coagulation
There is certain bonding strength by solidification between soil structure layer 11, heat-insulation layer 12, heat-reflecting layer 13, concrete decorative layer 14,
Different yet with material between layers, bonding strength is limited, therefore using connector 15 plus is solidly connected so as to which connection can
Lean on, it is to avoid the problem for departing between layers.It is appreciated that connector 15 can be one or more.
Fig. 2 is referred to, specifically, connector 15 includes main part 151 and stopper section 153.It is appreciated that in other enforcements
In example, stopper section 153 can omit.
Specifically, the one end 1511 of main part 151 is embedded in concrete decorative layer 14, and the other end 1511 is embedded in concrete
11。
Further, stopper section 153 is connected to the middle part of main part 151 and vertical with main part 151 is connected.Can manage
Solution, in the present embodiment, it is not specific finger positioned at the center of main part 151 that stopper section 153 is connected to the middle part of main part 151
Between position, but refer to its positioned at main part 151 end.It is appreciated that stopper section 153 can be with certain area
Structure, such as circle, can so increase the lifting surface area of connector 15, and then improve the bonding strength of connector 15.Can manage
Solution, stopper section 153 can be fixedly connected or be flexibly connected with main part 151.
Fig. 1 is referred to, specifically in the present embodiment, the side of stopper section 153 contacts with heat-insulation layer 12, opposite side and concrete
Structure sheaf 11 connects.So stopper section 153 is connected to concrete 11, is conducive to improving the bonding strength of connector 15.
Specifically, the side wall 1512 of main part 151 is provided with groove 1513, and groove 1513 is located at side wall 1512 near main body
The position of the end in portion 151.So groove 1513 can strengthen the bonding strength of connector 15, and it is near end, can be from end
Portion avoids the loosening of connector 15.It is recessed when the both sides of precast concrete 10 are subject to tensile force outwardly to make its layers-separated
Groove 1513 at least can provide counteracting force in a direction, and then reduce the tensile force, it is ensured that the knot of precast concrete 10
Structure reliability.
Specifically, groove 1513 is along the circumferentially distributed of side wall 1512.So that the stress at groove 1513 of connector 15
Uniformly.
Specifically, side wall 1512 is respectively equipped with groove 1513, and groove 1513 near the position at the both ends of main part 151
The both sides of stopper section 153 are distributed in, and the depth edge of groove 1513 gradually increases respectively from stopper section 153 to the direction at both ends
Greatly.When so the both sides of precast concrete 10 are made its layers-separated by tensile force outwardly, positioned at the both sides of stopper section 153
Groove 1513 corresponding counteracting force is provided respectively, and then reduce the tensile force, it is ensured that the structure of precast concrete 10
It is reliable.
Preferably, the groove 1513 for being distributed in the both sides of stopper section 153 is located at respectively concrete decorative layer 14 or concrete
Structure sheaf 11 is secondary, and it coordinates respectively with concrete decorative layer 14 or concrete 11.Due to concrete decorative layer 14 or
The mechanical strength of concrete 11 is good, therefore groove 1513 coordinates with concrete decorative layer 14 or concrete 11,
The bonding strength of connector 15 can be further enhanced, so as to ensure the structure reliability of precast concrete 10.
It is appreciated that can also be provided with multiple grooves 1513 on the side wall 1512 of the homonymy of stopper section 153.And in backstop
The homonymy in portion 153, the interval setting of multiple grooves 1513.Specifically in the present embodiment, the homonymy in stopper section 153 is two neighboring recessed
The position of the side wall 1512 at the interval of groove 1513, its external diameter is identical with the external diameter for being not provided with the position of groove 1513.
Above-mentioned precast concrete 10, using connector 15 by concrete decorative layer 14, heat-reflecting layer 13, heat-insulation layer 12
Connect with concrete 11, improve the structural reliability of bonding strength and precast concrete 10, it is to avoid layer with
The material difference problem that causes bonding strength limited and depart between layers between layer, so improve its mechanical property and
Service life；This external radiation is anti-through concrete decorative layer 14 and heat-reflecting layer 13 in the sunlight of precast concrete 10
Penetrate, then it is heat-insulated through heat-insulation layer 12, reach preferable heat-insulating and energy-saving effect using reflection multilayer and heat-insulated various ways.This is prefabricated
Concrete component 10 is poured without the need for job site, be can be used directly, and is particularly well-suited to the external fields such as municipal administration, square and business building
Institute.
Present invention also offers the preparation method of the precast concrete of an embodiment.The preparation method includes following step
Suddenly.
Step S100：The agent of undisguised material is coated in the bottom of mould and is dried.Step S100 is filled to prepare dew aggregate concrete
The pre-treatment step of the mould of decorations layer.
So be conducive to subsequently washing the surface of concrete decorative layer, to obtain exposing the dew aggregate concrete decoration of aggregate
Layer.
It is appreciated that in other embodiments, step S100 can be omitted.It is appreciated that in other embodiments, mould
The mould of the decorative effect bottom surface texture processing different with moulding selection that can be needed according to decor surface.The stricture of vagina of the bottom surface of mould
Reason process includes the bottom surface of mould is carried out bright finish texture, matte texture, sliding minute surface texture, curve texture and portrayed to pour line
Deng process.
Step S200：The raw material of concrete decorative layer is poured into into mould, to form concrete decorative layer.
Step S200 is specially：The raw material of concrete decorative layer is poured into into mould, by mold vibration bubble removing side by side, so
The more uniform consolidation of concrete decorative layer can be made.
Step S300：Heat-reflecting layer is formed on the raw material of concrete decorative layer.
Step S300 on the raw material of concrete decorative layer specifically, lay heat-reflecting layer.Preferably, heat-reflecting layer
At least one in aluminium-foil paper, aluminizer and heat-reflecting glass.
Step S400：Heat-insulation layer is formed on heat-reflecting layer.
Step S400 on heat-reflecting layer specifically, lay heat-insulation layer.Preferably, heat-insulation layer 12 is selected from organic heat-insulating
At least one in layer and foaming cement thermal insulation layer.Specifically, organic heat-insulating layer choosing is from EPS heat-insulation layers and XPS heat-insulation layers
It is at least one.
Step S500：By one end of connector embedded heat-insulation layer, the raw material of heat-reflecting layer and concrete decorative layer and the end
The raw material of concrete decorative layer is not exposed to, the other end of connector is exposed to into heat-insulation layer.
Wherein in one embodiment, step S500 is specially：By the embedded heat-insulation layer in one end of connector, heat-reflecting layer and
The raw material of the concrete decorative layer and end is not exposed to the raw material of concrete decorative layer, and stopper section side is connect with heat-insulation layer
Touch, the other end of connector is exposed to into heat-insulation layer.
Step S600：By concreting to form concrete on heat-insulation layer, and concrete is made by connector
Cover.
More specifically, control concrete pours thickness, to control the thickness of concrete, wherein concrete setting
Thickness change in front and back is negligible.
Step S700：Solidification, maintenance, the demoulding, washing obtains precast concrete.
Washing in concrete step S700 is specially：The surface of concrete decorative layer is washed.More specifically, the bar of washing
Part is the surface that concrete decorative layer is rinsed using giant so as to uniformly expose aggregate in surface.It is appreciated that in other realities
In applying example, the water-washing step in step S700 can be omitted, and obtain the precast concrete of general surface.It is appreciated that step
Maintenance and the demoulding in rapid S700 can be omitted.
The preparation method of above-mentioned precast concrete is simple, and molding is easy, and concrete decorative layer and concrete knot
The thickness of structure layer and the insert depth of connector are easily controllable, and the prefabricated of different surfaces effect is also obtained using different moulds
Concrete component；Simultaneously obtained precast concrete structure is reliable, heat-insulating and energy-saving effect is good, mechanical property is good and uses the longevity
Life length.
It is below specific embodiment.CoCrAl is blue in following examples, NiSbTi is yellow, CoNiZnTi is green and MnSbTi is brown
For the Arctic serial pigments of Xue Te (SHEPHERD) company.
Embodiment 1
The preparation method of the precast concrete of embodiment 1 is as follows：
The agent of undisguised material is coated in the bottom of mould and is dried.
The raw material of concrete decorative layer is mixed, mould is poured into, to form concrete decorative layer.Wherein, concrete decoration
The raw materials by weight portion meter of layer, including 460 parts of cement, particle diameter be micro- less than 750 parts of the rubble of 5mm, 760 parts of sand, vitreous
170 parts and NiSbTi of pearl is yellow 2 parts.
Heat-reflecting layer is laid in the raw material of concrete decorative layer.
Heat-insulation layer is laid on heat-reflecting layer.
The raw material of one end of connector embedded heat-insulation layer, heat-reflecting layer and concrete decorative layer, and the end are not exposed to
The raw material of concrete decorative layer, and stopper section side is contacted with heat-insulation layer, the other end of connector is exposed to into heat-insulation layer.
By concreting on heat-insulation layer, and concrete is set to cover connector.
Solidification, maintenance after reaching demoulding strength, lifts by crane the demoulding, and using giant the surface of concrete decorative layer is rinsed,
Obtain yellow hue undisguisedly precast concrete of the material with infrared external reflection effect.
Embodiment 2
Embodiment 2 is essentially identical with the preparation method of embodiment 1, and difference is that the raw material of concrete decorative layer is pressed
Parts by weight meter, including 480 parts of cement, particle diameter less than 800 parts of the rubble of 5mm, 820 parts of sand, 180 parts of glass bead and
3 parts of MnSbTi palm fibres.Obtain brown and adjust undisguised precast concrete of the material with infrared external reflection effect.
Embodiment 3
Embodiment 3 is essentially identical with the preparation method of embodiment 1, and difference is that the raw material of concrete decorative layer is pressed
Parts by weight meter, including 550 parts of cement, particle diameter less than 850 parts of the rubble of 5mm, 900 parts of sand, 200 parts of glass bead and
CoNiZnTi is green 5 parts.Obtain green hue undisguisedly precast concrete of the material with infrared external reflection effect.
Embodiment 4
Embodiment 4 is essentially identical with the preparation method of embodiment 1, and difference is that the raw material of concrete decorative layer is pressed
Parts by weight meter, including 600 parts of cement, particle diameter less than 700 parts of the rubble of 5mm, 680 parts of sand, 220 parts of glass bead and
20 parts of MnSbTi palm fibres.Obtain brown and adjust undisguised precast concrete of the material with infrared external reflection effect.
Embodiment 5
Embodiment 5 is essentially identical with the preparation method of embodiment 1, and difference is that the raw material of concrete decorative layer is pressed
Parts by weight meter, including 440 parts of cement, 900 parts of stone, 920 parts of sand, 100 parts and NiSbTi 15 parts of Huangs of glass bead.Obtain
Yellow hue undisguisedly expects the precast concrete with infrared external reflection effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of precast concrete, it is characterised in that include：
Concrete；
Heat-insulation layer, on the concrete；
Heat-reflecting layer, on the heat-insulation layer；
Concrete decorative layer, on the heat-reflecting layer；And
Connector, by the connection of the concrete, the heat-insulation layer, the heat-reflecting layer and the concrete decorative layer,
The connector includes main part, and one end of the main part is embedded in the concrete decorative layer, and the other end is embedded in the coagulation
Soil structure layer.
2. precast concrete as claimed in claim 1, it is characterised in that the raw material of the concrete decorative layer is by weight
Number meter, including 440~600 parts of cement, 700~900 parts of stone, 680~920 parts of sand, 100~220 parts of glass bead and
1~20 part of metal alloy pigment.
3. precast concrete as claimed in claim 2, it is characterised in that the metal alloy pigment is selected from CoCrAl
At least one during blue, NiSbTi is yellow, CoNiZnTi is green and MnSbTi is brown.
4. precast concrete as claimed in claim 1, it is characterised in that the heat-reflecting layer selected from aluminium-foil paper, aluminize
At least one in film and heat-reflecting glass.
5. the precast concrete as described in any one of Claims 1 to 4, it is characterised in that the side wall of the main part sets
It is fluted, and the groove is located at position of the side wall near the end of the main part.
6. precast concrete as claimed in claim 5, it is characterised in that circumference point of the groove along the side wall
Cloth.
7. precast concrete as claimed in claim 5, it is characterised in that the connector also includes stopper section, described
Stopper section is connected to the middle part of the main part and vertical with the main part is connected.
8. precast concrete as claimed in claim 7, it is characterised in that the side wall is near the two ends of the main part
The position in portion is respectively equipped with the groove, and the groove is distributed in the both sides of the stopper section, the depth of the groove along from
The stopper section to the direction of the end gradually increases.
9. precast concrete as claimed in claim 7, it is characterised in that the stopper section side connects with the heat-insulation layer
Touch, opposite side is connected with the concrete.
10. the preparation method of the precast concrete as described in any one of claim 1~9, it is characterised in that including following
Step：
The raw material of the concrete decorative layer is poured into into mould, to form the concrete decorative layer；
Heat-reflecting layer is formed on the raw material of the concrete decorative layer；
Heat-insulation layer is formed on the heat-reflecting layer；
One end of the connector is embedded in into the heat-insulation layer, the raw material of the heat-reflecting layer and the concrete decorative layer and is somebody's turn to do
End is not exposed to the raw material of the concrete decorative layer, and the other end is exposed to the heat-insulation layer；
By concreting to form the concrete on the heat-insulation layer, and the concrete is made by the connection
Part is covered；
Solidification, obtains the precast concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250295.3A CN106677421A (en) | 2016-12-29 | 2016-12-29 | Precast concrete component and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558315A (en) * | 2018-05-21 | 2018-09-21 | 成都建工预筑科技有限公司 | Novel precast construction load bearing heat preserving, sound isolating decorative wall and steel fiber reinforced concrete |
| CN113149524A (en) * | 2021-03-23 | 2021-07-23 | 中建科技集团有限公司 | Energy-saving environment-friendly concrete member and preparation method thereof |
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Application publication date: 20170517 |