CN2505542Y - Roof bearing heat insulation member - Google Patents
Roof bearing heat insulation member Download PDFInfo
- Publication number
- CN2505542Y CN2505542Y CN 01242689 CN01242689U CN2505542Y CN 2505542 Y CN2505542 Y CN 2505542Y CN 01242689 CN01242689 CN 01242689 CN 01242689 U CN01242689 U CN 01242689U CN 2505542 Y CN2505542 Y CN 2505542Y
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- cement
- concrete
- heat insulation
- bearing member
- upper strata
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- Expired - Fee Related
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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
A roof bearing heat insulation member belongs to a building prefabricated member. The member is a heat insulation component which has an upper layer and a lower layer composite structure. The upper layer is a cement protection layer and the lower layer is a foam or cement light aggregate heat insulation layer. The prefabricated member product can be once produced by separately filling, and is of simple craftwork, low cost. The product not only has good heat insulation performance, but also is of light integral weight, high intensity, convenient transportation and construction, and can be made to have various forms and structures to meet various requirements.
Description
The utility model relates to a kind of building prefabricated components as roof insulation layer usefulness.
As everyone knows, the foam concrete is a kind of porosity concrete, owing to have many my air hole structures small and independent sealing, so have good heat-insulation and heat-preservation level, and it is low to have a water absorption rate, the intensity height, low cost and other advantages, can be widely used as the heat-insulation and heat-preservation material of building, it is applied to building roofing generally dual mode: first kind of mode is the site operation cast, promptly production equipment and raw material are removed and produced cast foam concrete isolation layer to the scene, specific practice is that foaming agent water solution is become small uniform foams through mechanical agitation or blast injection, add the cement paste or cement and other fillers such as the river sand that stir in advance in proportion, expanded perlite, haydite, the mixed slurry of plastic foam etc., again through being mixed into the cement foamed slurry of aerated fluid shape, directly irritate and be laid on the roof surface layer, press aproll slope levelling, treating that its natural curing is solidified forms foam concrete isolation layer, owing to be site operation, often is subjected to weather environment, the restriction of place traffic condition etc.Moreover because foam concrete material drying shrinkage value is bigger, the isolation layer that large tracts of land links to each other is often owing to drying shrinkage produces be full of cracks, absciss layer phenomenon, thereby influences the work service property (quality).The second way is a foam concrete prefabricated member way, promptly in factory, press the preparation method of above-mentioned cement foamed slurry, slip casting on mould, treat natural curing have certain intensity after the demoulding become foam concrete insulating board, again isolation layer is transported on the terrace to grout and establishes with cement bonded sand.This kind method can be avoided the trouble of first kind of mode, but regardless of the first kind of mode or the foam concrete of second way production, its intensity does not reach all the time that requirement, particularly top layer porous that the roofing load-bearing uses are coarse, abrasion resistance extreme difference, short-term quality problems such as efflorescence and be full of cracks just occur after using.For avoiding the common way of these problems is that certain thickness cement mortar is as topping in the shop in the above again after foam concrete construction, and this has not only increased operation and cost, and often topping is blocked up, increases the weight of load of buildings.
The purpose of this utility model be propose a kind of be easy to make be shaped, overall weight is light, intensity is high and have good heat-proof quality, easy construction, the roofing heat-insulating load-bearing member that integrated cost is low is to overcome above-mentioned existing in prior technology problem.
The technical solution of the utility model is to design a kind of heat insulating component of two layer composite structure up and down that has.Its upper strata is the cement concrete topping, and lower floor is foam concrete or cement light aggregate concrete isolation layer.
Said foam concrete material; be to prepare by existing conventional method mechanical agitation by foaming agent and a certain proportion of cement and water; best match ratio is: cement: water: foaming agent=1: 0.3～0.7: 3～6 (volume ratio); but wherein also admixture light aggregate such as plastic foam grain or (with) haydite, it is 20%～60% that said light aggregate accounts for overall ratio.
The foaming agent of above-mentioned preparation foam concrete material can be used builing industry and produce the selected various conventional foaming agent (blowing agent) of cast foam concrete isolation layer, as water-disintegrable domestic animal blood foaming agent and useless animal wool foaming agent, the modification lauryl sodium sulfate foam concrete special-purpose foaming agent that also can adopt China New Building Material Co. building block technique development centre (Guangzhou) development and sell.
Said cement light aggregate concrete insulating layer material can adopt haydite light aggregate concrete or plastic foam grain light aggregate concrete.Said haydite light aggregate concrete is formulated by a certain percentage by haydite and cement and water; Said plastic foam grain light aggregate concrete is formulated by a certain percentage by plastic foam grain and cement and water; The general proportioning that adopts is: light aggregate (being haydite or plastic foam grain) accounts for 50%～80% of cumulative volume, and cement consumption is 150～450kg/m
3, water/binder ratio is 0.3～0.7.
Said upper strata cement concrete cover can adopt general cement concrete; Also can adopt the white cement concrete,, improve effect of heat insulation to reduce the absorption of sky in the face of solar radiant heat; Also can adopt the coloured cement concrete, it is ornamental that it is had.But in the cement concrete cover of said upper strata also admixture some can improve the wear-resisting Admixture of surface layer light, it is that brightener (code name is XL-1 or XL-2) etc. is sold by ESP-8 cement products brightener, Guangzhou newly upright letter chemical company that the Admixture of being mixed can be selected melamine for use.
The utility model can be made different shape as required as a kind of building materials prefabricated units.
Member can be disk construction; Can be arc or domes; Member also can be following form structure: lower floor's isolation layer of its member has at least one section upper strata topping for arc or domes or member to have at least one section to be arcuate structure, to form arc or arch and other geometry structure combining.
Prefabricated units product of the present utility model can adopt the production method of gradation filler once-forming in mould, and technology is simple, and is with low cost, is particularly suitable for specialized producer and produces in enormous quantities.Product not only has excellent heat insulation property, overall weight light (because of the upper strata topping can make thinner), intensity height, is convenient to transportation, easy construction, can form the various ways structure, to adapt to various needs.Be a kind of new building materials of the desirable heat insulation usefulness of roof aspect.
Fig. 1 is the cross section sectional structure schematic diagram of the utility model flat plate-shaped member;
Fig. 2 is the cross section sectional structure schematic diagram of the utility model arch semicircular tile member.
Embodiment one
Present embodiment is plate shaped roofing heat-insulating load-bearing member, and its cross section structure is two layer composite structure up and down as shown in Figure 1, and its upper strata 1 is the white cement concrete cover, and thickness is 0.8cm; Lower floor 2 is a foam concrete isolation layer, and thickness is 4cm.The heat insulation concrete material of said foam concrete is for to press cement: water: foaming agent=1: 0.5: 6 (volume ratio), cement consumption are 240～360kg/m
3The material of being prepared.
Embodiment two
Present embodiment is an arch covering heat-insulating load-bearing semicircular tile member, and its cross section structure is two layer composite structure up and down as shown in Figure 2; its upper strata 1 is the coloured cement concrete cover, and thickness is 0.5cm, and lower floor 2 is the light aggregate concrete isolation layer; this isolation layer adopts haydite light aggregate concrete material, and thickness is 4.5cm.
Claims (8)
1. a roofing heat-insulating load-bearing member is characterized in that this member is bilevel composite construction, and its upper strata is the cement concrete topping, and lower floor is foam concrete or cement light aggregate concrete isolation layer.
2. roofing heat-insulating load-bearing member according to claim 1 is characterized in that said cement light aggregate concrete insulating layer material is haydite light aggregate concrete or plastic foam grain light aggregate concrete.
3. roofing heat-insulating load-bearing member according to claim 1 is characterized in that upper strata cement concrete cover adopts the ordinary Portland cement concrete material.
4. roofing heat-insulating load-bearing member according to claim 1 is characterized in that upper strata cement concrete cover adopts the white cement concrete material.
5. roofing heat-insulating load-bearing member according to claim 1 is characterized in that upper strata cement concrete cover adopts the coloured cement concrete material.
6. roofing heat-insulating load-bearing member according to claim 1 is characterized in that said member is a disk construction.
7. roofing heat-insulating load-bearing member according to claim 1 is characterized in that lower floor's isolation layer of said member has at least one section to be arc or domes.
8. roofing heat-insulating load-bearing member according to claim 1 is characterized in that the upper strata cement concrete cover of said member has at least one section to be arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01242689 CN2505542Y (en) | 2001-07-18 | 2001-07-18 | Roof bearing heat insulation member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01242689 CN2505542Y (en) | 2001-07-18 | 2001-07-18 | Roof bearing heat insulation member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2505542Y true CN2505542Y (en) | 2002-08-14 |
Family
ID=33654403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01242689 Expired - Fee Related CN2505542Y (en) | 2001-07-18 | 2001-07-18 | Roof bearing heat insulation member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2505542Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693282A (en) * | 2016-02-04 | 2016-06-22 | 广州市古玛装饰材料有限公司 | Foamed ceramic decorative plate and preparation method thereof |
-
2001
- 2001-07-18 CN CN 01242689 patent/CN2505542Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693282A (en) * | 2016-02-04 | 2016-06-22 | 广州市古玛装饰材料有限公司 | Foamed ceramic decorative plate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |