CN106168058A - A kind of prefabricated sandwich style Sandwich insulation wallboard and manufacture method - Google Patents
A kind of prefabricated sandwich style Sandwich insulation wallboard and manufacture method Download PDFInfo
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- CN106168058A CN106168058A CN201610626489.2A CN201610626489A CN106168058A CN 106168058 A CN106168058 A CN 106168058A CN 201610626489 A CN201610626489 A CN 201610626489A CN 106168058 A CN106168058 A CN 106168058A
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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
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- 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
-
- 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
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- E04C2/2885—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 with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Civil Engineering (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The present invention discloses a kind of prefabricated sandwich style Sandwich insulation wallboard, this wallboard totally three layers, respectively decorates protective layer, heat-insulation layer and structure sheaf, and connects into an entirety by three layers by shear connector；Structure sheaf mainly undertakes the load of wallboard, and decoration protective layer determines the decorative cover of wallboard, and heat-insulation layer ensures the thermal and insulating performance of wallboard.In order to reduce the deadweight of wallboard and improve the thermal property of wallboard, haydite concrete is used to pour the decoration protective layer of wallboard；Heat-insulation layer uses eps foam plate, as a heat insulation body in wallboard, has effectively delayed heat in the transmission of wallboard ectonexine；Structure sheaf uses C30 concrete, mainly undertakes the load of wallboard.Tradition prefabricated out-hung panel decoration protective layer and structure sheaf all use normal concrete.Material source of the present invention is extensive, and processing and fabricating is simple, dependable performance, substantially improves traditional prefabricated out-hung panel from the drawback such as great, thermal property is poor, can apply in prefabricated out-hung panel, have broad application prospects.
Description
Technical field
The present invention relates to a kind of pre-cast building energy-saving wall, belong to construction engineering technical field, be specially a kind of prefabricated three
Mingzhi's formula Sandwich insulation wallboard.
Background technology
Along with the iterative method built a well-off society in an all-round way, house architectural area increases year by year, and building energy consumption accounts for whole nation energy
Using building energy conservation as main energy-conservation construction object in more than the 33% of consumption total amount, country and local " 12 " construction plan
One of.Prefabricated assembled concrete structure as a kind of version meeting industrialized production, have speed of application fast,
The advantages such as labor intensity is low, noise pollution and wet trade are few and product quality is easy to control, are widely applied in developed country.
The construction techniques using prefabrication and assembly construction can improve material realizing building energy conservation and structure with effectively save resource and the energy
The utilization rate of aspect of performance, overcomes the restriction to site operation of construction site and environmental condition, reduces site operation labour force's number
Amount, reduces building waste and the harmful effect of Construction on Environment, improves building function and structural behaviour.Prefabricated dwelling house
Promote and will reduce the energy consumption that architectural process produces largely, and the insulation of building enclosure processes constructing operation energy consumption
Reduce and have great meaning.
The retaining design of assembled architecture typically uses external hanging type system, prefabricated out-hung panel to combine with frame structure,
Just prefabricated out-hung panel frame structure is defined.Current prefabricated out-hung panel many employings sandwich style heat-insulation system, plug-in wall
Plate is followed successively by decoration protective layer, heat-insulation layer, structure sheaf from outside to inside, and connects into an entirety by three layers by shear connector.Cause
Having thermal inertia for concrete, interior layer concrete becomes the heat storage of a constant temperature, middle warming plate become one hot exhausted
Edge layer, such that it is able to delay heat to be transmitted through building wall board transmission between ectonexine.Shear connector is in prefabricated out-hung panel
Arranging, the load that wallboard undertakes, as the main bearing member of wallboard, can be delivered in agent structure, and decorate guarantor by structure sheaf
Deadweight and wind load, as the alien invasion of wallboard, can be delivered in structure sheaf by sheath by shear connector.Out-hung panel undertakes
Vertical load is mainly the deadweight of out-hung panel, this invention address that the design of sandwich style out-hung panel, solves out-hung panel
From drawback great, that thermal property is poor.
To sum up, studying a kind of prefabricated sandwich style Sandwich insulation wallboard little, that thermal property is superior of conducting oneself with dignity is this area skill
The content of art personnel research.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of prefabricated sandwich style sandwich little, that thermal property is good of conducting oneself with dignity
Heat-insulation wall plate and its manufacture method.
For solving above-mentioned technical problem, the present invention proposes a kind of prefabricated sandwich style Sandwich insulation wallboard, it is characterised in that
This wallboard includes decorating protective layer, heat-insulation layer, structure sheaf and shear connector；The decoration of described prefabricated sandwich style Sandwich insulation wallboard
Protective layer, heat-insulation layer, structure sheaf are allowed to be connected firmly by shear connector.
The decoration protective layer of the present invention uses the haydite concrete of CL25 strength grade, it is possible to reduce the deadweight of wallboard, with
The thermal property of Shi Tigao wallboard.
The heat-insulation layer of the present invention uses eps foam plate, and its heat conductivity is 0.042W/ (m K), only the 1/ of concrete
41.4, it is greatly improved the thermal property of wallboard.
The structure sheaf of the present invention uses C30 normal concrete, it is possible to be delivered in agent structure by the load of out-hung panel.
The manufacture method of a kind of prefabricated sandwich style Sandwich insulation wallboard, comprises the steps of
A, build template, clean surface, smearing release agent after placing decoration protective layer bar-mat reinforcement, pour haydite coagulation
Soil；
B, decoration protective layer haydite concrete is shaken uniform thickness after, the EPS sheet in pre-drilled hole should be placed immediately,
It is laid on haydite concrete.This move should complete in 15 to 20 minutes after haydite concrete is placed, it is ensured that haydite mixes
Solidifying soil not up to initial set state.
C, place EPS sheet and immediately shear connector should have been inserted pre-drilled hole, do not preset the direction of shear connector, at random
Ground inserts and 90-degree rotation.
D, the haydite concrete of compacted insertion shear connector surrounding area, in process of factory production, use casting platform shake
Dynamic or template shakes, it is ensured that the haydite concrete of initial set coheres around shear connector port not yet.
E, the bar-mat reinforcement of displacement structure layer concrete, built-in fitting and suspension hook.The position of built-in fitting need to be accurately positioned.
F, pouring structure layer concrete, vibrate, and now needs to check again for the position of built-in fitting, if pre-during vibrating
The position of embedded part occurs skew to adjust in time, last floating concrete.
G, the demoulding after test piece maintenance 28 days.
Shear connector will penetrate heat-insulation layer, and two ends imbed decoration protective layer and structure sheaf, the pre-buried degree of depth >=30mm respectively.
Heat-insulation layer uses cuboid EPS sheet to be combined into, and in EPS sheet, preset pitch is generally the hole slot of 300mm～600m, supplies
Shear connector inserts fixing using.The size of heat-insulation layer EPS sheet hole slot is mated with the size of shear connector.
Technical scheme has the advantages that
The prefabricated sandwich style Sandwich insulation wallboard of the present invention, utilizes haydite concrete, normal concrete and eps foam
Plate is as the material of wallboard.On the one hand material source is extensive, on the other hand normal concrete and haydite concrete pour work
Skill is fairly simple.
Use haydite concrete to pour the decoration protective layer of out-hung panel, reduce the deadweight of wallboard, improve wall simultaneously
The thermal property of plate.
Use EPS sheet as the heat-insulation layer of out-hung panel, be greatly improved the heat-insulating property of wallboard.
Use the structure sheaf of C30 concreting out-hung panel, it is ensured that wallboard undertakes the ability of load.
By testing, the dry apparent density of CL25 haydite concrete is 1773kg/m3, the dry table of C25 normal concrete
Sight density is 2375kg/m3, therefore pour the decoration protective layer of out-hung panel with haydite concrete, 25% decoration can be alleviated and protect
Sheath is conducted oneself with dignity.
The thermal property of out-hung panel is characterized by Coefficient K and heat inertia index D.Coefficient K refers to surely
Under the conditions of state, building enclosure both sides Air Temperature Difference is 1 DEG C, and the heat transmitted by 1m2 area in 1h, K value is the least, building enclosure
Heat transfer property is the poorest, and heat-insulating property is the best.Heat inertia index D is the dimensionless index to damping of temperature wave speed degree, and D value is more
Greatly, temperature wave is decayed the fastest wherein, building enclosure thermally-stabilised the best.According to " code for thermal design of civil buildings "
(GB50176-93) calculate Coefficient K and heat inertia index D of out-hung panel, calculate process such as formula (1-1)～(1-6) institute
Show.The thickness of out-hung panel decoration protective layer and heat-insulation layer is 50mm, and the thickness of structure sheaf is 80mm；Common out-hung panel knot
Structure layer and decoration protective layer all use normal concrete, optimize the out-hung panel decoration protective layer after design and use haydite coagulation
Soil.The value of the heat conductivity of normal concrete, haydite concrete and EPS sheet and heat storage coefficient is with reference to " civil buildings thermal technology set
Meter specification " (GB50176-93).Concrete numerical value is as shown in table 1.
Table 1 material thermal property parameter list
(1) thermal resistance of homogenous material layer should be calculated as follows:
R=δ/λ (1-1)
In formula: the thermal resistance (m of R material layer2·K/W)；
The thickness (m) of δ material layer；
The heat conductivity (W/ (m K)) of λ material.
(2) thermal resistance of multilamellar building enclosure should be calculated as follows:
R=R1+R2+……Rn (1-2)
In formula: R1+R2+……RnThermal resistance (the m of layers of material2·K/W)。
(3) resistance of heat transfer of building enclosure should be calculated as follows:
R0=Ri+R+Re (1-3)
In formula: R0Resistance of heat transfer (the m of building enclosure2·K/W)；
RiHeat exchange resistance of interior surface (m2K/W), 0.11 is taken according to specification；
ReOuter surface heat exchange resistance (m2K/W), 0.04 is taken according to specification；
R thermal resistance of enclosing structure (m2·K/W)。
(4) heat transfer coefficient of building enclosure should be calculated as follows:
K=1/R0 (1-4)
In formula: the heat transfer coefficient (W/ (m K)) of K building enclosure.
(5) the D value of homogenous material building enclosure or homogenous material layer should be calculated as follows:
D=RS (1-5)
Thermal resistance (the m of R material layer in formula2·K/W)；
The heat storage coefficient (W/ (m K)) of S material.
(6) the D value of multilamellar building enclosure should be calculated as follows:
D=D1+D2+……Dn=R1S1+R2S2+……RnSn (1-6)
R in formula1、R2……RnThermal resistance (the m of layers of material2·K/W)；
S1、S2……SnThe heat storage coefficient (W/ (m K)) of layers of material, the heat storage coefficient of air space takes S=0.
Out-hung panel heat transfer coefficient and heat inertia index result of calculation are as shown in table 2.2.
Table 2.2 out-hung panel thermal property calculates
K≤1, D≤2.5 are the thermal property requirements of building enclosure exterior wall, from Table 2, it can be seen that common out-hung panel
Using the out-hung panel thermal property of haydite concrete to be satisfied by requirement with decoration protective layer, decoration protective layer uses haydite coagulation
The heat transfer coefficient of the out-hung panel of soil reduces 2.2%, and heat inertia index improves 7.1%, improves the heat insulating ability of external wall
Energy.
Therefore the prefabricated sandwich style Sandwich insulation wallboard of the present invention has the advantages such as deadweight is little, thermal property is good, it is adaptable to
In prefabricated sandwich style out-hung panel, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
In figure: decoration protective layer 1；Heat-insulation layer 2；Structure sheaf 3；Shear connector 4.
Detailed description of the invention
As it is shown in figure 1, described one prefabricated sandwich style Sandwich insulation wallboard includes three layers, respectively decorate protective layer
1, heat-insulation layer 2 and structure sheaf 3, and by shear connector 4, three layers are connected into an entirety.Decoration protective layer 1 uses CL25 haydite
Concrete, thickness is 50mm；Heat-insulation layer 2 uses EPS sheet, and thickness is 50mm；Structure sheaf 3 uses C30 concrete, and thickness is
80mm.Shear connector 4 selects the shear connector with superior mechanical property and thermal property, and be embedded in decoration protective layer 1 is deep
Degree is 35mm, and being embedded in the degree of depth in structure sheaf 3 is 65mm.
When wallboard makes, first build template, clean surface, smearing release agent after placing decoration protective layer 1 bar-mat reinforcement,
Pour haydite concrete；Then, after decoration protective layer 1 haydite concrete being shaken uniform thickness, should place pre-drilled immediately
The EPS sheet in hole, is laid on haydite concrete, and This move should complete in 15 to 20 minutes after haydite concrete is placed,
Ensure that haydite concrete is not up to initial set state；Place EPS sheet therewith and immediately shear connector 4 should be inserted pre-drilled hole,
Do not preset the direction of shear connector 4, be inserted randomly into and 90-degree rotation；The pottery of the most compacted insertion shear connector 4 surrounding area
Grain concrete, in process of factory production, uses casting platform vibrations or template vibrations, it is ensured that the haydite coagulation of initial set not yet
Soil coheres around shear connector 4 port；Bar-mat reinforcement, built-in fitting and the suspension hook of displacement structure layer 3 concrete.The position of built-in fitting
Need to be accurately positioned；Pouring structure layer 3 concrete, vibrates, and now needs to check again for the position of built-in fitting, if during vibrating
The position of built-in fitting occurs skew to adjust in time, last floating concrete；The finally demoulding after test piece maintenance 28 days.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (7)
1. a prefabricated sandwich style Sandwich insulation wallboard, is characterized in that, described Sandwich insulation wallboard includes decorating protective layer
(1), heat-insulation layer (2), structure sheaf (3) and shear connector (4)；Described decoration protective layer (1), heat-insulation layer (2), structure sheaf (3) are by cutting
Power key (4) is allowed to be connected firmly.
One the most according to claim 1 prefabricated sandwich style Sandwich insulation wallboard, is characterized in that, described decoration protective layer
(1) haydite concrete of CL25 strength grade is selected.
One the most according to claim 1 prefabricated sandwich style Sandwich insulation wallboard, is characterized in that, described heat-insulation layer (2)
Select eps foam plate.
One the most according to claim 1 prefabricated sandwich style Sandwich insulation wallboard, is characterized in that, described structure sheaf (2)
Select C30 concrete.
5. a manufacture method for prefabricated sandwich style Sandwich insulation wallboard, is characterized in that, described construction method includes following step
Suddenly；
A, build template, clean surface, smearing release agent after placing decoration protective layer (1) bar-mat reinforcement, pour haydite coagulation
Soil；
After b, general's decoration protective layer (1) haydite concrete shake uniform thickness, the EPS sheet in pre-drilled hole should be placed immediately,
It is laid on haydite concrete；This move should complete in 15 to 20 minutes after haydite concrete is placed, it is ensured that haydite mixes
Solidifying soil not up to initial set state；
C, place EPS sheet and immediately shear connector (4) should have been inserted pre-drilled hole, do not preset the direction of shear connector (4), with
Machine ground inserts and 90-degree rotation；
D, the haydite concrete of compacted insertion shear connector (4) surrounding area, in process of production, use casting platform vibrations or
Template shakes, it is ensured that the haydite concrete of initial set coheres around shear connector (4) port not yet；
E, bar-mat reinforcement, built-in fitting and the suspension hook of displacement structure layer (3) concrete；The position of built-in fitting need to be accurately positioned；
F, pouring structure layer (3) concrete, vibrate, now need to check again for the position of built-in fitting, if pre-during vibrating
The position of embedded part occurs skew to adjust in time, last floating concrete；
G, the demoulding after test piece maintenance 28 days.
The manufacture method of prefabricated sandwich style Sandwich insulation wallboard the most according to claim 5, it is characterised in that: shear connector
(4) will penetrate heat-insulation layer (2), two ends imbed decoration protective layer (1) and structure sheaf (3), the pre-buried degree of depth >=30mm respectively.
The manufacture method of prefabricated sandwich style Sandwich insulation wallboard the most according to claim 5, it is characterised in that: heat-insulation layer
(2) using cuboid EPS sheet to be combined into, in EPS sheet, preset pitch is generally the hole slot of 300mm ~ 600m, inserts for shear connector (4)
Enter fixing use, the size coupling of the same shear connector of the size (4) of heat-insulation layer (2) EPS sheet hole slot.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107514074A (en) * | 2017-09-28 | 2017-12-26 | 成都福仕特科技有限责任公司 | A kind of wall of assembled architecture for exempting from decoration and preparation method thereof |
| CN108756027A (en) * | 2018-06-28 | 2018-11-06 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapped shear wall and its construction technology |
| CN109033676A (en) * | 2018-08-10 | 2018-12-18 | 上海绿筑住宅系统科技有限公司 | A kind of containment system design method being applicable in extreme environment |
| CN109989520A (en) * | 2019-04-16 | 2019-07-09 | 武汉大学 | Prefabricated high ductility clear-water concrete Sandwich insulation wallboard |
| CN110239157A (en) * | 2019-07-12 | 2019-09-17 | 南京彼卡斯建筑科技有限公司 | A kind of high-performance assembled combination out-hung panel |
| CN111379374A (en) * | 2019-11-11 | 2020-07-07 | 徐州宏禄建筑科技有限公司 | Self-heat-preservation ceramsite concrete assembled outer wall |
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| CN112982816A (en) * | 2021-02-23 | 2021-06-18 | 中国海洋大学 | Shear connector distribution method in sandwich structure, connector device and application |
| CN113235765A (en) * | 2021-05-19 | 2021-08-10 | 同圆设计集团股份有限公司 | Assembled outer wall capable of bearing external heavy load and method |
| CN114197688A (en) * | 2021-12-27 | 2022-03-18 | 成都建工预筑科技有限公司 | Heat-insulation and decoration integrated wallboard of enclosure structure and preparation method thereof |
| 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 |
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