CN106088463A - A kind of precast concrete external wall panel and preparation method thereof - Google Patents
A kind of precast concrete external wall panel and preparation method thereof Download PDFInfo
- Publication number
- CN106088463A CN106088463A CN201610590662.8A CN201610590662A CN106088463A CN 106088463 A CN106088463 A CN 106088463A CN 201610590662 A CN201610590662 A CN 201610590662A CN 106088463 A CN106088463 A CN 106088463A
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- Prior art keywords
- concrete
- cell wall
- connector
- heat
- insulation layer
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Classifications
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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
- 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
Abstract
The invention discloses a kind of precast concrete external wall panel, including concrete, heat-insulation layer, concrete topping and connector, described connector includes interconnecting piece and/or limit connector, wherein interconnecting piece includes middle bottom land, upper left cell wall, upper right cell wall, bottom left cell wall and bottom right cell wall, allow to use vacuum heat-insulating plate to splice heat-insulation layer, preferably by concrete, heat-insulation layer and concrete topping link together, so that the heat-insulating property of precast concrete external wall panel is more preferable, weatherability is more preferable, more reasonable structure, and later stage assembling constructs more simple and efficient.Present invention also offers the preparation method of a kind of above-mentioned precast concrete external wall panel.
Description
Technical field
The present invention relates to assembled architecture outer wall body technique field, especially relate to a kind of precast concrete external wall panel and
Preparation method.
Background technology
Precast concrete external wall panel mixes for being processed into the reinforcement for building assembling in precast plant (field) or construction site
Concrete board type component, is called for short wallboard or wallboard.Use precast concrete wall panel to build assembled large panel building, factory can be improved
Change, mechanized construction degree, reduce situ wet operation, saves on-the-spot recruitment, overcomes seasonal effect, shortens the construction cycle.
At present, precast concrete external wall panel includes facade plate, gable board and eaves wallboard three kinds；Facade plate is certainly
Load-bearing wall panel, gable board and eaves wallboard are load-bearing wall panel.Side fascia except should have sound insulation with fireproof function in addition to, also should have every
Effects such as heat insulation, impervious, freeze thawing resistance, anti-carbonization and meet the requirement of art of architecture decoration, Side fascia can be single with light-weight aggregate
Material is made, it is possible to use composite (structure sheaf, heat insulation layer and finish coat) to make.
At present, mostly the production technology of precast concrete external wall panel is: be processed prefabricated mixed in the mould made
Solidifying cob wall plate, can be divided into cleaning template, separant coating, Mo Neibu muscle, concreting, vibration moulding, maintenance, form removal, inspection,
The operations such as finished product stacking and transport.Its method has produced by plane moulding and formwork erection to produce two kinds.It is divided into pedestal method, flat-die by production technology
Unit flowing water method, flat-die transmit flowing water method and battery mould or paired formwork erection method four kinds.
Along with national energy-saving reduces discharging the reinforcement of dynamics, design standard for energy efficiency of buildings is more and more higher；Energy Saving Design of Residential Buildings
Standard-required energy-conservation 75%, even requires that building reaches super low energy consumption standard.Reach above-mentioned energy conservation standard, the heat transfer system of exterior wall
Number requires lower, and corresponding wall heat insulation material is the thickest, gives the design of building, builds and use is made troubles.
Ultra-thin vacuum heat-insulating plate is extremely low due to heat transfer coefficient, is only the 1/6-1/10 of conventional insulation material, and fire-protection rating is
A1 level can meet Building Fire Protection requirement, but uses outer wall thin form of plastering to use and there is construction precision requirement in building heat preservation
Height, the problems such as weather resistance is low, and labor intensity is big.Additionally by connector, inside and outside two layer concretes and moderate soak layer are connected
Together, metal connecting piece can make Side fascia there is local heat bridge phenomenon, and building integral heat insulation effect is undesirable.
Therefore, heat-insulating property is more preferable, weatherability more preferable, more reasonable structure how to provide one to have, and later stage assembling
The precast concrete external wall panel of more simple and efficient of constructing is that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
It is an object of the invention to provide a kind of precast concrete external wall panel, this precast concrete external wall panel has heat insulating ability
Energy is more preferable, weatherability is more preferable, more reasonable structure, and the later stage assembles the feature of more simple and efficient of constructing.Other the one of the present invention
Individual purpose is to provide the preparation method of above-mentioned precast concrete external wall panel.
For solving above-mentioned technical problem, the technical scheme that the present invention provides is:
A kind of precast concrete external wall panel, including concrete, heat-insulation layer, concrete topping and connector；
The arrangement of described concrete, heat-insulation layer and concrete topping be according in practical set from room
The interior direction to outdoor is followed successively by concrete, heat-insulation layer and concrete topping, and described concrete is with described
Heat-insulation layer is fixing to be connected, and described heat-insulation layer is fixed with described concrete topping and is connected；
Described heat-insulation layer is spliced by polylith warming plate；
Described connector includes interconnecting piece and/or limit connector；
On the mainboard face of foreign minister's broad side surface that described interconnecting piece is arranged at described concrete, and described interior connection
One end of part is embedded in described concrete, and the other end of described interconnecting piece is embedded in described concrete topping
In, the part between described interconnecting piece two ends passes the splicing seams between two pieces of described warming plates；
Described limit connector is arranged at the surrounding edge of foreign minister's broad side surface of described concrete, and described limit is even
One end of fitting is embedded in described concrete, and the other end of described limit connector is embedded in described concrete topping
In, the described concrete in place of limit connector this described is installed of the flush with portions between connector two ends, described limit
Side on thickness direction.
Preferably, also include that finish coat, described finish coat are arranged on foreign minister's broad side surface of described concrete topping, described
Finish coat is wall covering, fiber cement board, aluminium-plastic panel, wood-fiber board, aluminium sheet, ceramic plate or porcelain plate.
Preferably, described warming plate is vacuum heat-insulating plate.
Preferably, the level between two pieces of described warming plates of the part between described interconnecting piece two ends to splicing seams with
Vertically pass in splicing seams.
Preferably, described interconnecting piece includes middle bottom land, upper left cell wall, upper right cell wall, bottom left cell wall and bottom right cell wall；
Described upper left cell wall and upper right cell wall are arranged on the upper surface of described middle bottom land, and described upper left cell wall is with described
Upper right cell wall lays respectively at the both sides on described middle slot bottom width direction, and described upper left cell wall with described upper right cell wall described
Interlaced arrangement on the length direction of middle bottom land, and described middle bottom land, upper left cell wall and upper right cell wall one top-open of composition
And for supporting the slot type structure of described warming plate；
Described bottom left cell wall and bottom right cell wall are arranged under the lower surface of described middle bottom land, and described bottom left cell wall is with described
Bottom right cell wall lays respectively at the both sides on described middle slot bottom width direction, and described bottom left cell wall with described bottom right cell wall described
Interlaced arrangement on the length direction of middle bottom land, and described middle bottom land, bottom left cell wall and bottom right cell wall one lower aperture of composition
And for supporting the slot type structure of described warming plate.
Preferably, described upper left cell wall, upper right cell wall, bottom left cell wall and/or bottom right cell wall are corrugated plating, described middle bottom land
For surface plate.
Preferably, described limit connector includes bottom land, left cell wall and right cell wall, and described bottom land, left cell wall and the right side
Cell wall composition one is upper opening of and is used for supporting the slot type structure of described warming plate.
The present invention also provides for the preparation method of a kind of above-mentioned precast concrete external wall panel, comprises the following steps:
1) mould for formation of concrete structure sheaf, the steel during then colligation is embedded in described concrete are prepared
Muscle cage, is then fixed on one end of connector on described steel reinforcement cage and exposes the other end of described connector at subsequent forming
Concrete outside；
Described connector includes interconnecting piece and/or limit connector, controls described interconnecting piece on described steel reinforcement cage
Installation site makes, on the mainboard face of foreign minister's broad side surface that described interconnecting piece is arranged at the concrete after molding, to control
Described limit connector installation site on described steel reinforcement cage make described limit connector be arranged at molding after xoncrete structure
The surrounding edge of foreign minister's broad side surface of layer；
Then pour formation of concrete, then curing concrete, the then demoulding, obtain being embedded with the concrete knot of connector
Structure layer；
2) polylith warming plate is laid in described step 1) on foreign minister's broad side surface of concrete of obtaining, polylith
Warming plate is spliced into heat-insulation layer, controls the connecting method of warming plate described in polylith and makes step 1 with stitching position) in pre-buried interior
Part between connector two ends passes the splicing seams between two pieces of described warming plates so that step 1) in pre-buried limit even
On the thickness direction of the described concrete in place of limit connector this described is installed of the flush with portions between fitting two ends
Side, and the other end controlling described connector exposes described heat-insulation layer；
3) mould for formation of concrete surface layer is prepared, the steel reinforcement cage during then colligation is embedded in concrete topping, and
Simultaneously by this step 3) in steel reinforcement cage and described step 2) described in the other end exposing described heat-insulation layer of connector fix
Connect, then pour formation of concrete, then curing concrete, the then demoulding, obtain concrete topping, and included simultaneously
The precast concrete external wall panel of concrete, heat-insulation layer, concrete topping and connector.
Preferably, the preparation method of described connector comprises the following steps:
1) unidirectional basalt fiber cloth is cut according to design size；
2) will at least step 1 described in two-layer) in the basalt fiber cloth superposition that cuts, the then basalt after superposition
The mixture of polyurethane adhesive and firming agent is smeared in fiber cloth；
3) by described step 2) in smear polyurethane adhesive and put into the basalt fiber cloth after the mixture of firming agent and be connected
Part curing molding mould, utilizes the movable part in mould to extrude the basalt fiber cloth after smearing mixture, protects
Holding squeezed state certain time, to the mixture curing molding of polyurethane adhesive Yu firming agent, then form removal, obtaining material is the Black Warrior
The connector of rock fiber.
Preferably, in the preparation method of described connector, step 2) in the mixed proportion of polyurethane adhesive and firming agent be 1:
1, step 3) in mould squeeze pressure be 105Pa, squeezed state keeps 50min.
Compared with prior art, the invention provides a kind of precast concrete external wall panel, including concrete, insulation
Layer, concrete topping and connector；Described connector includes interconnecting piece and/or limit connector；The present invention is by providing one
Planting the connector of special construction, wherein interconnecting piece includes middle bottom land, upper left cell wall, upper right cell wall, bottom left cell wall and bottom right
Cell wall so that the present invention can use vacuum heat-insulating plate to the heat-insulation layer splicing in precast concrete external wall panel, does not penetrates through vacuum
Heat-insulating shield, does not destroy the vacuum of vacuum heat-insulating plate, on the premise of equal heat insulation effect, significantly reduces the thickness of heat-insulation layer,
And then reduce the thickness of precast concrete external wall panel, so that the more reasonable structure of the precast concrete external wall panel obtained,
Lighter, heat-insulating property is more preferable, and weatherability is more preferable, and the later stage assembles more simple and efficient of constructing；The connector of above-mentioned special construction by
Also better concrete, heat-insulation layer and concrete topping being linked together in self structure, globality is higher, no
As the multilayer sandwiched structure that a comparison before is slack and undisciplined, more reasonable structure, and later stage assembling construct more simple and efficient, and by
In the self structure of connector, significantly decrease the heat bridge phenomenon that original connector is constituted, significantly reduce warming plate
Between splicing seams at heat bridge phenomenon, thus considerably improve the integral heat insulation effect of precast concrete external wall panel.
Accompanying drawing explanation
The structural representation of the precast concrete external wall panel that Fig. 1 provides for the embodiment of the present invention；
The scheme of installation of the connector that Fig. 2 provides for the embodiment of the present invention, concrete topping not shown in figure；
Fig. 3 is the amplification perspective view of the interconnecting piece in Fig. 1 and Fig. 2；
Fig. 4 is the front view of Fig. 3；
Fig. 5 is the right view of Fig. 3；
Fig. 6 is the top view of Fig. 3；
Fig. 7 is the amplification main TV structure schematic diagram of the limit connector in Fig. 2.
In figure: 1 precast concrete external wall panel, 101 concrete, 102 warming plates, 103 concrete toppings, connect in 2
Fitting, bottom land in 201,202 upper left cell walls, 203 upper right cell walls, 204 bottom left cell walls, 205 bottom right cell walls, 3 limit connectors, 301
Bottom land, 302 left cell walls, 303 right cell walls.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
In describing the invention, it is to be understood that term " " center ", " axially ", " radially ", " longitudinally ", " laterally ",
" length ", " width ", " on ", D score, "front", "rear", "left", "right", " top ", " end ", " interior ", " outward ", " clockwise ", " inverse
Hour hands ", " vertically ", the orientation of the instruction such as " level " or position relationship be based on orientation shown in the drawings or position relationship, be only
Specific side must be had for the ease of describing the present invention and simplification description rather than instruction or the device of hint indication or element
Position, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score,
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by it
Other characterisation contact between.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy second feature surface and oblique upper, or be merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature in the underface of second feature and obliquely downward, or only
Only represent that fisrt feature level height is less than second feature.
Structural representation with reference to the precast concrete external wall panel that Fig. 1～Fig. 7, Fig. 1 provide for the embodiment of the present invention；Fig. 2
The scheme of installation of connector provided for the embodiment of the present invention, concrete topping not shown in figure；Fig. 3 is in Fig. 1 and Fig. 2
The amplification perspective view of interconnecting piece；Fig. 4 is the front view of Fig. 3；Fig. 5 is the right view of Fig. 3；Fig. 6 is the vertical view of Fig. 3
Figure；Fig. 7 is the amplification main TV structure schematic diagram of the limit connector in Fig. 2.
The invention provides a kind of precast concrete external wall panel 1, including concrete 101, heat-insulation layer 102, coagulation
Soil surface layer 103 and connector；
The arrangement of described concrete 101, heat-insulation layer 102 and concrete topping 103 is to fill according to reality
Concrete 101, heat-insulation layer 102 and concrete topping 103 it is followed successively by outdoor direction from indoor in joining, and described
Concrete 101 is fixing with described heat-insulation layer 102 to be connected, and described heat-insulation layer 102 is fixed with described concrete topping 103
Connect；
Described heat-insulation layer 102 is spliced by polylith warming plate；
Described connector includes interconnecting piece 2 and/or limit connector 3；
On the mainboard face of foreign minister's broad side surface that described interconnecting piece 2 is arranged at described concrete 101 and described interior
One end of connector 2 is embedded in described concrete 101, and the other end of described interconnecting piece 2 is embedded in described mixed
In solidifying soil surface layer 103, the part between described interconnecting piece 2 two ends passes the splicing seams between two pieces of described warming plates；
Described limit connector 3 is arranged at the surrounding edge of foreign minister's broad side surface of described concrete 101, and described
One end of limit connector 3 is embedded in described concrete 101, and the other end of described limit connector 3 is embedded in described
In concrete topping 103, the institute in place of limit connector 3 this described is installed of the flush with portions between connector 3 two ends, described limit
State the side on the thickness direction of concrete 101, herein it is meant that utilize the part between limit connector 3 two ends to catch
It is positioned at the outer side edges of the warming plate at position, concrete 101 edge；
Preferably, described connector includes being arranged on the mainboard face of foreign minister's broad side surface of described concrete 101
Interconnecting piece 2 and be arranged at the limit connector 3 of surrounding edge of foreign minister's broad side surface of described concrete 101, with
All of warming plate is formed an all-in-one-piece heat-insulation layer 102, and the structure improving whole precast concrete external wall panel 1 is overall
Property so that it is it is difficult to slack and undisciplined.
In one embodiment of the invention, above-mentioned precast concrete external wall panel 1 also includes that finish coat, described finish coat set
Being placed on foreign minister's broad side surface of described concrete topping 103, described finish coat is wall covering, fiber cement board, aluminium-plastic panel, wood
Fibre board, aluminium sheet, ceramic plate or porcelain plate.
In one embodiment of the invention, described warming plate is vacuum heat-insulating plate, due to the heat conduction system of vacuum heat-insulating plate
Number is extremely low, is only the 1/10～1/6 of other conventional insulation material, and can meet A1 level fire protection requirement, improves precast concrete
The heat insulation effect of Side fascia 1, under equal heat insulation effect, reduces the thickness of precast concrete external wall panel 1, so that obtain
The more reasonable structure of precast concrete external wall panel 1, lighter, weatherability is more preferable, and later stage assembling is constructed more simple and efficient.
In one embodiment of the invention, the part between described interconnecting piece 2 two ends from two pieces of described warming plates it
Between level to splicing seams with vertically pass in splicing seams, to strengthen supporting role to warming plate.
In one embodiment of the invention, described interconnecting piece 2 includes middle bottom land 201, upper left cell wall 202, upper right groove
Wall 203, bottom left cell wall 204 and bottom right cell wall 205；
Described upper left cell wall 202 is arranged on the upper surface of described middle bottom land 201 with upper right cell wall 203, and described upper left
Cell wall 202 and described upper right cell wall 203 lay respectively at the both sides on described middle bottom land 201 width, and described upper left cell wall
202 with described upper right cell wall 203 interlaced arrangement on the length direction of described middle bottom land 201, and described middle bottom land 201, upper left
Cell wall 202 and upper right cell wall 203 constitute one upper opening of and for supporting the slot type structure of described warming plate；
Described bottom left cell wall 204 is arranged at bottom right cell wall 205 under the lower surface of described middle bottom land 201, and described bottom left
Cell wall 204 and described bottom right cell wall 205 lay respectively at the both sides on described middle bottom land 201 width, and described bottom left cell wall
204 with described bottom right cell wall 205 interlaced arrangement on the length direction of described middle bottom land 201, and described middle bottom land 201, bottom left
Cell wall 204 and bottom right cell wall 205 constitute a lower aperture and for supporting the slot type structure of described warming plate.
In one embodiment of the invention, described upper left cell wall 202, upper right cell wall 203, bottom left cell wall 204 and/or under
Right cell wall 205 is corrugated plating, when then casting concrete after built-in connection, and the upper left cell wall 202 of corrugated plate shape, upper right groove
Wall 203, bottom left cell wall 204 and/or bottom right cell wall 205 can increase interconnecting piece 2 and concrete 101 or concrete surface
Layer 103 connection area, improve interconnecting piece 2 bonding strength, preferably by concrete 101, heat-insulation layer 102 and
Concrete topping 103 connects into an overall Side fascia, and described middle bottom land 201 is surface plate, can reduce adjacent two pieces of insulations
The gap size of the splicing seams between plate, reduces heat bridge phenomenon, improves the heat-insulating property of precast concrete external wall panel 1 entirety.
In one embodiment of the invention, described limit connector 3 includes bottom land 301, left cell wall 302 and right cell wall
303, and described bottom land 301, left cell wall 302 and right cell wall 303 constitute one upper opening of and for supporting described insulation
The slot type structure of plate 102.
Present invention also offers the preparation method of a kind of above-mentioned precast concrete external wall panel 1, comprise the following steps:
1) preparing the mould for formation of concrete structure sheaf 101, then colligation is embedded in described concrete 101
In steel reinforcement cage, then one end of connector is fixed on described steel reinforcement cage and the other end of described connector is exposed rear
Outside the concrete 101 of continuous molding；
Described connector includes interconnecting piece 2 and/or limit connector 3, controls described interconnecting piece 2 on described steel reinforcement cage
Installation site make described interconnecting piece 2 be arranged at the mainboard face of foreign minister's broad side surface of the concrete 101 after molding
On, control mixing after the described limit connector 3 installation site on described steel reinforcement cage makes described limit connector 3 be arranged at molding
The surrounding edge of foreign minister's broad side surface of Xtah Crude Clay structure layer 101；
Then pour formation of concrete, then curing concrete, the then demoulding, obtain being embedded with the concrete knot of connector
Structure layer 101；
2) polylith warming plate is laid in described step 1) on the outer length and width face of concrete 101 that obtains, many
Block warming plate is spliced into heat-insulation layer 102, controls the connecting method of warming plate and stitching position described in polylith and makes step 1) in pre-
Part between interconnecting piece 2 two ends buried passes the splicing seams between two pieces of described warming plates so that step 1) in pre-
The flush with portions between limit connector 3 two ends buried described concrete 101 in place of limit connector 3 this described is installed
Thickness direction on side, and the other end controlling described connector exposes described heat-insulation layer 102；
3) mould for formation of concrete surface layer 103, the reinforcing bar during then colligation is embedded in concrete topping 103 are prepared
Cage, and simultaneously by this step 3) in steel reinforcement cage and described step 2) described in connector expose the another of described heat-insulation layer 102
One end is fixing to be connected, and then pours formation of concrete, then curing concrete, the then demoulding, obtains concrete topping 103, and
Obtain including the precast concrete exterior wall of concrete 101, heat-insulation layer 102, concrete topping 103 and connector simultaneously
Plate 1.
In one embodiment of the invention, the preparation method of above-mentioned connector comprises the following steps:
1) unidirectional basalt fiber cloth is cut according to design size；
2) will at least step 1 described in two-layer) in the basalt fiber cloth superposition that cuts, the then basalt after superposition
The mixture of polyurethane adhesive and firming agent is smeared in fiber cloth；
3) by described step 2) in smear polyurethane adhesive and put into the basalt fiber cloth after the mixture of firming agent and be connected
Part curing molding mould, utilizes the movable part in mould to extrude the basalt fiber cloth after smearing mixture, protects
Holding squeezed state certain time, to the mixture curing molding of polyurethane adhesive Yu firming agent, then form removal, obtaining material is the Black Warrior
The connector of rock fiber.
In one embodiment of the invention, in the preparation method of described connector, step 2) in polyurethane adhesive and solidification
The mixed proportion of agent is 1:1, step 3) in mould squeeze pressure be 105Pa, squeezed state keeps 50min.
In the present invention, above-mentioned is vertical to the vertical direction meant in actual installation, and above-mentioned level is to meaning actual peace
Horizontal direction in dress.
The present invention mentions multiple technical problem, is simultaneous for each technical problem and proposes corresponding technical scheme.Multiple skills
Art problem is not separate, is interactional so that above-mentioned multiple technical schemes are solving corresponding technical problem
On the basis of, further and other solution pool, can significantly improve and solve the corresponding technology acquired by technical problem
Effect, or multiple technical problem can be solved simultaneously.The basis of corresponding technical problem is solved in each independent technical scheme
On, multiple laddering technical schemes are mutually combined superposition, cooperate, mutually promote between technical scheme, formed one whole
Body scheme, the technique effect of acquirement is much better than the technique effect of an any of the above described technical scheme, and synergistic effect is notable.
The method and apparatus of the most detailed description of the present invention is prior art, repeats no more.
Principle and the embodiment of the present invention are set forth by specific embodiment used herein, above example
Method and the core concept thereof being only intended to help to understand the present invention is described.It should be pointed out that, the common skill for the art
For art personnel, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these change
Enter and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. a precast concrete external wall panel, it is characterised in that include concrete, heat-insulation layer, concrete topping and
Connector；
The arrangement of described concrete, heat-insulation layer and concrete topping be according in practical set from indoor to
Outdoor direction is followed successively by concrete, heat-insulation layer and concrete topping, and described concrete and described insulation
Layer is fixing to be connected, and described heat-insulation layer is fixed with described concrete topping and is connected；
Described heat-insulation layer is spliced by polylith warming plate；
Described connector includes interconnecting piece and/or limit connector；
On the mainboard face of foreign minister's broad side surface that described interconnecting piece is arranged at described concrete, and described interconnecting piece
One end is embedded in described concrete, and the other end of described interconnecting piece is embedded in described concrete topping, institute
State the splicing seams between two pieces of described warming plates of the part between interconnecting piece two ends and pass；
Described limit connector is arranged at the surrounding edge of foreign minister's broad side surface of described concrete, and described limit connector
One end be embedded in described concrete, and the other end of described limit connector is embedded in described concrete topping,
The thickness of the described concrete in place of limit connector this described is installed of the flush with portions between connector two ends, described limit
Side on degree direction.
Precast concrete external wall panel the most according to claim 1, it is characterised in that also include finish coat, described finish coat
Being arranged on foreign minister's broad side surface of described concrete topping, described finish coat is wall covering, fiber cement board, aluminium-plastic panel, wood
Fibre board, aluminium sheet, ceramic plate or porcelain plate.
Precast concrete external wall panel the most according to claim 1, it is characterised in that described warming plate is vacuum heat-insulating plate.
Precast concrete external wall panel the most according to claim 1, it is characterised in that the portion between described interconnecting piece two ends
Level point between two pieces of described warming plates to splicing seams with vertically pass to splicing seams.
Precast concrete external wall panel the most according to claim 1, it is characterised in that described interconnecting piece include middle bottom land,
Upper left cell wall, upper right cell wall, bottom left cell wall and bottom right cell wall；
Described upper left cell wall and upper right cell wall are arranged on the upper surface of described middle bottom land, and described upper left cell wall is upper right with described
Cell wall lays respectively at the both sides on described middle slot bottom width direction, and described upper left cell wall and described upper right cell wall are at described middle groove
Interlaced arrangement on the length direction at the end, and described middle bottom land, upper left cell wall and upper right cell wall constitute one upper opening of and
For supporting the slot type structure of described warming plate；
Described bottom left cell wall and bottom right cell wall are arranged under the lower surface of described middle bottom land, and described bottom left cell wall and described bottom right
Cell wall lays respectively at the both sides on described middle slot bottom width direction, and described bottom left cell wall and described bottom right cell wall are at described middle groove
Interlaced arrangement on the length direction at the end, and described middle bottom land, bottom left cell wall and bottom right cell wall constitute a lower aperture and
For supporting the slot type structure of described warming plate.
Precast concrete external wall panel the most according to claim 5, it is characterised in that described upper left cell wall, upper right cell wall, under
Left cell wall and/or bottom right cell wall are corrugated plating, and described middle bottom land is surface plate.
Precast concrete external wall panel the most according to claim 1, it is characterised in that described limit connector includes bottom land, a left side
Cell wall and right cell wall, and described bottom land, left cell wall and right cell wall composition one are upper opening of and are used for supporting described guarantor
The slot type structure of temperature plate.
8. the preparation method of the precast concrete external wall panel described in a claim 1, it is characterised in that comprise the following steps:
1) mould for formation of concrete structure sheaf, the reinforcing bar during then colligation is embedded in described concrete are prepared
Cage, is then fixed on one end of connector on described steel reinforcement cage and exposes the other end of described connector at subsequent forming
Outside concrete；
Described connector includes interconnecting piece and/or limit connector, controls the installation on described steel reinforcement cage of the described interconnecting piece
Position makes, on the mainboard face of foreign minister's broad side surface that described interconnecting piece is arranged at the concrete after molding, to control described
Limit connector installation site on described steel reinforcement cage make the described limit connector to be arranged at molding after concrete
The surrounding edge of foreign minister's broad side surface；
Then pour formation of concrete, then curing concrete, the then demoulding, obtain being embedded with the xoncrete structure of connector
Layer；
2) polylith warming plate is laid in described step 1) on foreign minister's broad side surface of concrete of obtaining, polylith is incubated
Plate is spliced into heat-insulation layer, controls the connecting method of warming plate described in polylith and makes step 1 with stitching position) in pre-buried interior be connected
Part between part two ends passes the splicing seams between two pieces of described warming plates so that step 1) in pre-buried limit connector
Side on the thickness direction of the described concrete in place of limit connector this described is installed of the flush with portions between two ends
Face, and the other end controlling described connector exposes described heat-insulation layer；
3) mould for formation of concrete surface layer is prepared, the steel reinforcement cage during then colligation is embedded in concrete topping, and simultaneously
By this step 3) in steel reinforcement cage and described step 2) described in the other end exposing described heat-insulation layer of connector is fixing is connected,
Then pour formation of concrete, then curing concrete, the then demoulding, obtain concrete topping, and obtain including coagulation simultaneously
The precast concrete external wall panel of soil structure layer, heat-insulation layer, concrete topping and connector.
Preparation method the most according to claim 8, it is characterised in that the preparation method of described connector includes following step
Rapid:
1) unidirectional basalt fiber cloth is cut according to design size；
2) will at least step 1 described in two-layer) in the basalt fiber cloth superposition that cuts, the then basalt fibre after superposition
The mixture of polyurethane adhesive and firming agent is smeared on cloth；
3) by described step 2) in smear the mixture of polyurethane adhesive and firming agent after basalt fiber cloth to put into connector solid
Chemical conversion mould, utilizes the movable part in mould to extrude the basalt fiber cloth after smearing mixture, keeps squeezing
Pressure condition certain time, to the mixture curing molding of polyurethane adhesive Yu firming agent, then form removal, obtaining material is that basalt is fine
The connector of dimension.
Preparation method the most according to claim 9, it is characterised in that in the preparation method of described connector, step 2) in
The mixed proportion of polyurethane adhesive and firming agent is 1:1, step 3) in mould squeeze pressure be 105Pa, squeezed state keeps
50min。
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| CN107363969A (en) * | 2017-08-01 | 2017-11-21 | 中铁十局集团建筑工程有限公司 | A kind of preparation method of the decoration integrated precast concrete external wall panel of structural thermal insulation |
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| CN109838030A (en) * | 2019-03-07 | 2019-06-04 | 中国十七冶集团有限公司 | A kind of precast foam concrete compound external wall panel |
| CN110629929A (en) * | 2019-09-25 | 2019-12-31 | 吉林建筑大学 | Block assembled building side fascia of steel cold bridge |
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| CN113089824A (en) * | 2021-04-09 | 2021-07-09 | 广东电网有限责任公司 | Fabricated concrete in common environment and design method of bonding interface of fabricated concrete |
| CN114319730A (en) * | 2021-12-28 | 2022-04-12 | 中铁五局集团建筑工程有限责任公司 | Assembled multi-layer composite heat-preservation and heat-insulation roof board and preparation method and assembly method thereof |
| CN114319730B (en) * | 2021-12-28 | 2024-04-30 | 中铁五局集团建筑工程有限责任公司 | Assembled multilayer composite heat-preservation heat-insulation roof board and preparation method and assembly method thereof |
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