CN115217331A - Construction method of assembled aerogel combined roof - Google Patents
Construction method of assembled aerogel combined roof Download PDFInfo
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- CN115217331A CN115217331A CN202210958539.2A CN202210958539A CN115217331A CN 115217331 A CN115217331 A CN 115217331A CN 202210958539 A CN202210958539 A CN 202210958539A CN 115217331 A CN115217331 A CN 115217331A
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- Prior art keywords
- layer
- aerogel
- concave
- slope
- convex grooves
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- 239000004964 aerogel Substances 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 4
- 239000010451 perlite Substances 0.000 claims abstract description 4
- 235000019362 perlite Nutrition 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 41
- 238000009413 insulation Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 239000010426 asphalt Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 230000001680 brushing effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a construction method of a spliced aerogel combined roof, which relates to the technical field of construction of constructional engineering and comprises the following steps: the method comprises the steps of paving a cement hydrophobic type expanded perlite slope-finding layer, a lightweight aggregate concrete leveling plate with concave-convex grooves, a layer of aerogel felt, a heat-preservation and slope-finding integrated plate with concave-convex grooves, brushing a layer of aerogel coating, paving a coiled material waterproof layer and paving a layer of aerogel felt, achieves factory prefabrication of most materials, selects a prefabricated material with concave-convex grooves, solves the problem of integrity and stability, improves the heat-preservation performance of a roof, reduces the thickness of a traditional heat-preservation plate, improves the concrete forming appearance quality, saves energy of the roof to reach the energy-saving standard of 95%, can guarantee the construction quality of the roof and improves the construction progress.
Description
Technical Field
The invention relates to the technical field of construction of constructional engineering, in particular to a construction method of a spliced aerogel combined roof.
Background
In recent years, with policies issued by the nation, the requirement for energy conservation of buildings is higher and higher, and the improvement of materials and construction methods of traditional building roof engineering is particularly important.
The following problems exist in the prior art: 1. the building roof construction process is multiple, and the construction speed is low; 2. the waterproof layer is often damaged unintentionally when the protective layer is manufactured after waterproof construction is finished; 3. the number of times of vertical transportation of concrete for roof wet operation is large, the labor is large, and potential safety hazards exist; 4. the traditional insulation board with single insulation can only reach the energy-saving standard of 75 percent; 5. in recent years, old communities are greatly improved by China, construction sites for the old community improvement are limited generally, and concrete cannot be stirred on site.
Therefore, the construction method of the assembled aerogel combined roof is urgently needed to be developed to achieve the purposes of material factory prefabrication and roof energy saving reaching the energy saving standard of 95%, and meanwhile, the roof construction quality can be guaranteed, and the construction progress can be improved.
Disclosure of Invention
The invention aims to design a construction method of a spliced aerogel combined roof, aiming at the defects in the prior art, so as to achieve the effects of prefabricating materials in factories, improving the energy-saving level, ensuring the construction quality and accelerating the construction progress.
In order to achieve the purpose, the invention provides a construction method of a spliced aerogel combined roof, which comprises the following steps:
step S100, cleaning a base layer;
step S200, adopting cement hydrophobic type expanded perlite to find a slope layer;
step S300, paving a lightweight aggregate concrete leveling plate with concave-convex grooves;
step S400, laying a layer of aerogel felt;
s500, paving a heat-preservation and slope-finding integrated plate with concave-convex grooves;
step S600, coating a layer of aerogel coating;
step S700, laying a waterproof layer of a coiled material;
step S800, laying a layer of aerogel felt;
and step S900, paving a surface layer.
Preferably, in step S200, the slope-finding layer is made of 1The thinnest part is 30mm, and the gradient is not less than 2%; dividing watershed according to slope direction and slope when finding slope, drawing a connecting line to make ash cakes, arranging the ash cakes in a fan shape with the distance not more than 1.5m, and paving the ash cakes in blocks after confirming that no fault exists; the adopted exhaust measures are that exhaust holes are arranged at an interval of 6m and are not more than 36m 2 And the exhaust holes are arranged vertically and horizontally and communicated with an exhaust pipe communicated with the atmosphere.
Preferably, in the step S300, the lightweight aggregate concrete leveling plates with the concave-convex grooves and the thickness of 20mm are adopted, the lightweight aggregate concrete leveling plates with the concave-convex grooves are laid in sequence according to the pre-typesetting drawing, the concave-convex grooves are mutually occluded, the integrity of plate laying is facilitated, and the plate joints are filled with the gap filler after all laying is completed.
Preferably, in step S400, the aerogel felt is fire-proof grade a, and has a thermal conductivity of 0.020W/(m · K); laying a layer of aerogel felt, overlapping 100mm, bonding by using glue, and making a Chinese character 'ba' on the parapet wall by 300mm, wherein the parapet wall corner is in a Chinese character 'ba'.
Preferably, in step S500, the integrated board with the concave-convex groove for heat preservation and slope finding is formed by bonding a 60mm thick polystyrene board with the concave-convex groove and a 15mm thick concrete board with the concave-convex groove in the same size with an adhesive, the integrated board with the concave-convex groove for heat preservation and slope finding is sequentially laid according to a pre-arranged drawing, the concave-convex grooves are mutually occluded, a gap between the spliced integrated board with the concave-convex groove for heat preservation and slope finding is treated by a special structural adhesive and is smoothed, and the joint of the integrated board with the concave-convex groove for heat preservation and slope finding and the parapet wall is filled with a gap filler and is fully extruded.
Preferably, in step S600, the aerogel coating is prepared by adding aerogel powder having excellent heat-insulating property as a filler into an aqueous coating, so that the thick coating has high-efficiency heat-insulating property, and the thermal conductivity is between 0.026 and 0.030W/(m · K); the thickness of the aerogel coating is 3mm, the parapet wall returns 500mm upwards, and the parapet wall corner is in a splayed shape.
Preferably, in step S700, the roll waterproof layer is 3mm thick SBS modified asphalt roll waterproof +2mm thick non-cured rubber asphalt waterproof coating.
Preferably, in step S800, an aerogel felt is laid as a waterproof protective layer, and the hydrophobic rate of the aerogel felt reaches 99%, but the aerogel felt can allow steam to be discharged, so as to reduce corrosion to the waterproof layer of the coil.
Compared with the prior art, the invention has the beneficial effects that:
1. most of the materials are prefabricated in factories, and all the materials are prefabricated in factories and then transported to the site for splicing, so that the defect of site stirring is avoided;
2. the prefabricated material with the concave-convex grooves is selected, so that the integrity and the stability are solved, and the disorder of the plate due to the construction of the next procedure is avoided;
3. two aerogel materials are added, so that the heat insulation performance of the roof is greatly improved, the thickness of the traditional heat insulation plate can be reduced, and the sound insulation and heat insulation effects are improved;
4. the waterproof protective layer adopts aerogel felt, and the waterproof coiled material is effectively protected from being corroded and aged.
Drawings
FIG. 1 is a schematic view of the construction of each layer after construction according to the present invention;
FIG. 2 is a schematic diagram of the assembled structure of the lightweight aggregate concrete with concave-convex grooves of the invention;
FIG. 3 is a schematic structural view of the heat-insulating and slope-finding integrated plate with concave-convex grooves of the invention;
FIG. 4 is a schematic view of the construction sequence of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 4, a construction method of a spliced aerogel combined roof is provided, which includes:
s100, cleaning a base layer;
step S200, adopting cement hydrophobic type expanded perlite to find a slope layer;
step S300, paving a lightweight aggregate concrete leveling plate with concave-convex grooves;
step S400, laying a layer of aerogel felt;
s500, paving a heat-preservation and slope-finding integrated plate with concave-convex grooves;
step S600, coating a layer of aerogel coating;
step S700, laying a waterproof layer of a coiled material;
step S800, laying a layer of aerogel felt;
and step S900, paving a surface layer.
In the step S200, the slope finding layer adopts 1; dividing watershed according to slope direction and slope when finding slope, drawing a line to make ash cakes, wherein the interval of the ash cakes is not more than 1.5m, arranging the ash cakes in a fan shape, and laying the ash cakes in blocks after confirming no fault; the adopted exhaust measures are that exhaust holes are arranged at an interval of 6m and are not more than 36m 2 And the exhaust holes are arranged vertically and horizontally and are communicated with an exhaust pipe communicated with the atmosphere.
In step S300, as shown in fig. 2, a 20mm thick lightweight aggregate concrete leveling plate with concave-convex grooves is adopted, the lightweight aggregate concrete leveling plate with concave-convex grooves is laid in sequence according to pre-typeset drawings, the concave-convex grooves are mutually occluded, the defect of poor integrity of plate materials is overcome, the integrity of plate laying is facilitated, and plate seams are filled with a gap filler after all the slabs are laid.
In step S400, the aerogel felt is made of a traditional thermal insulation material having a fire-proof rating of a level a, a thermal conductivity of 0.020W/(m · K), a thermal conductivity lower than that of rock wool, a polyurethane material, and the like, has good flexibility, is easy to cut, can improve the space utilization rate, and can reduce the thickness of the thermal insulation and slope finding integrated plate by providing the material; laying a layer of aerogel felt, overlapping the aerogel felt by 100mm, bonding the aerogel felt by special glue, returning the aerogel felt to the parapet wall by 300mm, and making the parapet wall corner into a Chinese character 'ba'.
In step S500, as shown in fig. 3, the integrated board with the concave-convex groove for heat preservation and slope finding is formed by bonding a 60mm thick polystyrene board with the concave-convex groove and a 15mm thick concrete board with the concave-convex groove in the same size with adhesive glue, the integrated board with the concave-convex groove for heat preservation and slope finding is laid in sequence according to a pre-arranged drawing, the concave-convex grooves are mutually occluded, gaps between the integrated board with the concave-convex groove for heat preservation and slope finding after being spliced are treated and smoothed by special structural glue, and joints between the integrated board with the concave-convex groove for heat preservation and slope finding and a parapet are filled with gap filler and fully extruded, so that the integrated board is more favorable for the integrity and stability of the spliced board.
In step S600, the aerogel coating is prepared by adding aerogel powder having excellent heat-insulating property as a filler into an aqueous coating, so that the thick coating has high-efficiency heat-insulating property, and the thermal conductivity is between 0.026-0.030W/(m · K); the material does not contain volatile harmful compounds, and the production process flow and the use process are safe, environment-friendly and nontoxic; the aerogel coating has good sound insulation and noise reduction functions, and is matched with a water-based heat reflecting material and a water-based waterproof material to form complete heat insulation or heat insulation and waterproof functions; the building fire-proof grade of the aerogel coating is A2 grade, which is higher than that of the traditional heat-insulating material; the thickness of the aerogel coating is 3mm, the parapet wall returns 500mm upwards, and the parapet wall corner is in a splayed shape.
In step S700, the waterproof layer of the coiled material adopts 3mm thick SBS modified asphalt coiled material waterproof and 2mm thick non-cured rubber asphalt waterproof coating, and the 2mm thick non-cured coating is set to completely fill the plate seam of the previous process.
In step S800, a layer of aerogel felt is laid as a waterproof protective layer, the hydrophobic rate of the layer reaches 99%, but the layer can discharge steam, reduce corrosion to the waterproof layer, enhance protection to the waterproof layer, and prolong the service life of the waterproof layer.
And finally, paving the surface layer, wherein the structural schematic diagram of each layer after construction is shown in figure 1.
The invention achieves the purposes of material factory prefabrication and roof energy saving reaching 95 percent of energy saving standard, and simultaneously can ensure the roof construction quality and improve the construction progress.
Having thus described embodiments of the present invention, the foregoing description is intended to be illustrative, not exhaustive, and not to limit the disclosed embodiments, and many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. A construction method of a spliced aerogel combined roof is characterized by comprising the following steps:
step S100, cleaning a base layer;
step S200, adopting cement hydrophobic type expanded perlite to find a slope layer;
step S300, paving a lightweight aggregate concrete leveling plate with concave-convex grooves;
step S400, laying a layer of aerogel felt;
s500, paving a heat-preservation and slope-finding integrated plate with concave-convex grooves;
step S600, coating a layer of aerogel coating;
step S700, laying a waterproof layer of coiled materials;
step S800, laying a layer of aerogel felt;
and step S900, paving a surface layer.
2. The construction method of the assembled aerogel combined roof as claimed in claim 1, wherein in step S200, the slope layer is made of 1; dividing watershed according to slope direction and slope when finding slope, drawing a connecting line to make ash cakes, arranging the ash cakes in a fan shape with the distance not more than 1.5m, and paving the ash cakes in blocks after confirming that no fault exists; the adopted exhaust measures are that exhaust holes are arranged at an interval of 6m and are not more than 36m 2 And the exhaust holes are arranged vertically and horizontally and communicated with an exhaust pipe communicated with the atmosphere.
3. The construction method of the assembled aerogel combination roof as claimed in claim 1, wherein in step S300, the 20mm thick lightweight aggregate concrete leveling plate with the concave-convex grooves is adopted, the lightweight aggregate concrete leveling plate with the concave-convex grooves is laid in sequence according to the pre-typeset drawing, the concave-convex grooves are mutually occluded, the integrity of the plate laying is facilitated, and the plate joints are filled with the gap filling agent after all the laying is completed.
4. The construction method of assembled aerogel composite roof as claimed in claim 1, wherein in step S400, the aerogel felt has a fire-proof rating of class a and a thermal conductivity of 0.020W/(m-K); laying a layer of aerogel felt, overlapping 100mm, bonding by using glue, and making a Chinese character 'ba' on the parapet wall by 300mm, wherein the parapet wall corner is in a Chinese character 'ba'.
5. The construction method of the assembled aerogel combination roof as claimed in claim 4, wherein in step S500, the integrated heat-insulating and slope-finding plate with the concave-convex grooves is formed by bonding a 60mm thick polystyrene board with the concave-convex grooves and a 15mm thick concrete board with the concave-convex grooves and the same size with an adhesive, the integrated heat-insulating and slope-finding plate with the concave-convex grooves is sequentially laid according to a pre-arranged drawing, the concave-convex grooves are mutually engaged, gaps between the integrated heat-insulating and slope-finding plate with the concave-convex grooves after being assembled are treated and leveled by a special structural adhesive, and joints between the integrated heat-insulating and slope-finding plate with the concave-convex grooves and the parapet wall are filled with a gap filler and are fully extruded.
6. The construction method of the assembled aerogel composite roof as claimed in claim 5, wherein in step S600, the aerogel coating is prepared by adding aerogel powder having excellent thermal insulation property as filler into the aqueous coating, so that the thick coating has high thermal insulation property, and the thermal conductivity is between 0.026-0.030W/(m · K); the thickness of the aerogel coating is 3mm, the parapet wall returns 500mm upwards, and the parapet wall corner is in a splayed shape.
7. The construction method of the assembled aerogel combined roof as claimed in claim 6, wherein in step S700, the roll waterproof layer is a 3mm thick SBS modified asphalt roll waterproof +2mm thick non-cured rubber asphalt waterproof coating.
8. The construction method of assembled aerogel composite roof as claimed in claim 7, wherein in step S800, a layer of aerogel felt is laid as a waterproof protective layer, the hydrophobic rate of the layer reaches 99%, but the layer can allow steam to escape, thereby reducing corrosion to the waterproof layer of the coiled material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210958539.2A CN115217331A (en) | 2022-08-10 | 2022-08-10 | Construction method of assembled aerogel combined roof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210958539.2A CN115217331A (en) | 2022-08-10 | 2022-08-10 | Construction method of assembled aerogel combined roof |
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| Publication Number | Publication Date |
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| CN115217331A true CN115217331A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210958539.2A Pending CN115217331A (en) | 2022-08-10 | 2022-08-10 | Construction method of assembled aerogel combined roof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166674A (en) * | 2023-10-31 | 2023-12-05 | 中国电建市政建设集团有限公司 | Waterproof roof laminated slab, waterproof structure using same and construction method thereof |
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|---|---|---|---|---|
| EP0550873A1 (en) * | 1992-01-04 | 1993-07-14 | Herbert Heinemann | Heat insulating moulded element for cladding building walls |
| CN208235741U (en) * | 2018-05-25 | 2018-12-14 | 河北贝铂节能科技股份有限公司 | A kind of aeroge insulation board |
| CN112324012A (en) * | 2020-11-30 | 2021-02-05 | 江苏保平信息科技有限公司 | Combined heat-insulating wall and construction method thereof |
| CN215106657U (en) * | 2021-01-18 | 2021-12-10 | 三智胜祥集团有限公司 | Assembled roof slope-finding heat-insulation integrated plate |
| CN215168357U (en) * | 2021-05-27 | 2021-12-14 | 山西四建集团有限公司 | Splicing device for roof transformation moisture-free operation |
| CN114571801A (en) * | 2022-03-09 | 2022-06-03 | 江苏悦达绿色建筑科技有限公司 | Heat-insulation decorative composite lightweight PC peripheral retaining wall body and manufacturing method thereof |
-
2022
- 2022-08-10 CN CN202210958539.2A patent/CN115217331A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| EP0550873A1 (en) * | 1992-01-04 | 1993-07-14 | Herbert Heinemann | Heat insulating moulded element for cladding building walls |
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| CN112324012A (en) * | 2020-11-30 | 2021-02-05 | 江苏保平信息科技有限公司 | Combined heat-insulating wall and construction method thereof |
| CN215106657U (en) * | 2021-01-18 | 2021-12-10 | 三智胜祥集团有限公司 | Assembled roof slope-finding heat-insulation integrated plate |
| CN215168357U (en) * | 2021-05-27 | 2021-12-14 | 山西四建集团有限公司 | Splicing device for roof transformation moisture-free operation |
| CN114571801A (en) * | 2022-03-09 | 2022-06-03 | 江苏悦达绿色建筑科技有限公司 | Heat-insulation decorative composite lightweight PC peripheral retaining wall body and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 朱盈豹编著: "保温材料在建筑墙体节能中的应用", 中国建材工业出版社, pages: 217 - 218 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166674A (en) * | 2023-10-31 | 2023-12-05 | 中国电建市政建设集团有限公司 | Waterproof roof laminated slab, waterproof structure using same and construction method thereof |
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