CN202214897U - Foam concrete sandwich building block - Google Patents
Foam concrete sandwich building block Download PDFInfo
- Publication number
- CN202214897U CN202214897U CN2011202424467U CN201120242446U CN202214897U CN 202214897 U CN202214897 U CN 202214897U CN 2011202424467 U CN2011202424467 U CN 2011202424467U CN 201120242446 U CN201120242446 U CN 201120242446U CN 202214897 U CN202214897 U CN 202214897U
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- sandwich
- wall
- building block
- heat preservation
- foam concrete
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Abstract
The utility model discloses a foam concrete sandwich building block. The main body of the sandwich building block is formed by an outer wall (1) and an inner wall (2), the outer wall (1) and the inner wall (2) surround to form four sandwich cavities, and the sandwich building block is characterized in that the four sandwich cavities (3 and 5) is different in size and is filled with inorganic heat preservation light body materials to form a sandwich layer. A tenon (4) is arranged on the front of the building block, and a groove (6) is arranged on the back of the building block. The outer wall and the inner wall are thickened gradually form the top face to the bottom face, and the interior angles of the sandwich cavities formed by the outer wall and the inner wall in a surrounding mode are fillets (7). The sandwich building block is not only materials of construction of the building, but also thermal insulation materials, and can substitute for both red bricks and heat preservation benzene plates, thereby lowing build heat preservation total construction cost by about 30% and being low in coefficient of heat conductivity. The hollow rate of the four sandwich cavities is 60% to 62%, so that heat preservation performance is excellent. The foam concrete sandwich building block is a full-inorganic material, thereby being fireproofing and fire-resistant, and the fire-resistant temperature can reach over 1000 DEG C.
Description
Technical field the utility model relates to a kind of constructional materials, is a kind of heat preservation building block specifically.
The background technology building heat preservation is the key subjects of current energy-saving and emission-reduction and sustainable development from now on; Its developing direction is a self-heat conserving; But because various self-heat conserving building block products are undesirable, what have is structural bad, and the own complex structure cost that has is high; So far most buildings still adopt the secondary insulation passively, heat insulating materials such as subsides or plug-in plastic foamboard outside promptly after building is built up, carrying out again.Great in constructing amount, expend heat insulating material in addition, building costs is high.Some heat insulating material is inflammable, causes disaster hidden-trouble, as above pastes the fire that warming plate causes abroad.The building block of the building self-heat conserving that development structure property, heat insulating ability are all good is a current urgency problem to be solved.
Body of wall designing requirement according to national building energy conservation 65%; The needed wall heat transfer coefficient in various places is different; Therefore the thickness of required building block is different; The thickness that can adopt respectively from different places according to construction is the building-block of 20cm, 24cm30cm, 37cm, height 19cm, with the body of wall designing requirement of the building energy conservation 65% that satisfies different regions.Require 24cm thick like the Beijing area, the Chifeng needs the 30cm left and right sides thick, and different its project organizations of the thickness of building-block also have difference.
The purpose of summary of the invention the utility model is to provide a kind of foam concrete sandwich building block, it be structural meterials be again heat insulating material, energy-saving and environmental protection reduce building costs.
The technical scheme of the utility model is following:
The main body of this building block is made up of outer wall and inwall, and outer wall and inwall surround four sandwich chambeies, and above-mentioned 4 sandwich chambeies vary in size, and adds the inorganic heat preservation light material in the sandwich chamber and constitutes sandwich layer; Tenon is established in the front of this building block, and groove is established in the back; Above-mentioned outer wall and inwall are thickeied by end face to bottom surface gradually, and the above-mentioned sandwich chamber interior angle that outer wall and inwall surrounded is a fillet.
Above-mentioned inorganic heat preservation light material is foam concrete or foamed pearlite.
The advantage of the utility model is: 1, because this building block is a self-heat conserving, can significantly reduce the cost of building heat preservation.The cost height is one of major reason that restricts at present the building energy conservation development, and it is the structural meterials of building, is again heat insulating material, and this building block not only can replace common brick but also can replace being incubated the benzene plate, therefore, can reduce building heat preservation total cost about 30%.
2, coefficient of thermal conductivity is low, and heat insulating ability is excellent.Four sandwich chambeies of this building block, hollow rate 60-62%, sandwich layer adopts the air concrete for insulation main body, the hollow filling part of building block, and its coefficient of thermal conductivity is below 0.06w/mk.
3, intensity is high, and anti-bending strength is good.The compressive strength of this product sandwich layer is 0.15MPa, and the compressive strength of building block main body is 0.4MPa, and the entire compression strength character is good.
4, this product outer wall primary raw material is a flyash, and sandwich layer is a foam concrete, is the full-inorganic material, fire prevention, fire-resistant, and refractory temperature can reach more than 1000 ℃, and fire endurance surpassed 1.5 hours fire protection requirement greater than 2 hours.
5, lightweight, density are low, favourable reduction structural weight per square meter.
This product sandwich layer bulk density 200kg/m
3, body volume density 600kg/m
3, realized that (bulk density of ordinary concrete is 2400kg/m in lighting
3).
This building block is the check of construction material quality supervision and test test center through national building materials industry room, National standard.
This product performance index of table 1 table
Test basis: GB11968-2006 " Autoclaved aerated concrete blocks ", GB/T11970-1997 " gas concrete bulk density, moisture content and moisture content test method "
Description of drawings Fig. 1 is the utility model structural representation;
Fig. 2 is that the B-B of Fig. 1 is to view;
Fig. 3 is that the A-A of Fig. 1 is to view;
Fig. 4 is that the C-C of Fig. 1 is to view.
The specific embodiment is described further the utility model below in conjunction with accompanying drawing.
The main body that can be seen this building block by Fig. 1-4 is made up of outer wall 1 and inwall 2, and gross thickness is 29cm, and the employed raw material of main part is flyash, lytag, grain slag powder, cement processing and fabricating, and the building-block main part is controlled at 600kg/m with unit weight
3Below, outer wall and inwall surround four sandwich chambeies 3,5 not of uniform size, add the air concrete in this chamber and constitute sandwich layer; Above-mentioned outer wall and inwall are thickeied by end face to bottom surface gradually, are in order to increase its intensity; Tenon 4 is established in the front of this building block, and groove 6 is established in the back; The sandwich chamber interior angle 7 that above-mentioned outer wall and inwall surrounded is fillet, is to be anticracking.
Claims (2)
1. sandwich building block of foam concrete, its main body is made up of outer wall (1) and inwall (2), and outer wall and inwall surround four sandwich chambeies, it is characterized in that: above-mentioned 4 sandwich chambeies (3,5) vary in size, and add the inorganic heat preservation light material in the sandwich chamber and constitute sandwich layer; Tenon (4) is established in the front of this building block, and groove (6) is established in the back; Above-mentioned outer wall and inwall are thickeied by end face to bottom surface gradually, and the above-mentioned sandwich chamber interior angle that outer wall and inwall surrounded is fillet (7).
2. the sandwich building block of foam concrete according to claim 1 is characterized in that: its inorganic heat preservation light material is foam concrete or foamed pearlite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202424467U CN202214897U (en) | 2011-07-11 | 2011-07-11 | Foam concrete sandwich building block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202424467U CN202214897U (en) | 2011-07-11 | 2011-07-11 | Foam concrete sandwich building block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202214897U true CN202214897U (en) | 2012-05-09 |
Family
ID=46014157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202424467U Expired - Fee Related CN202214897U (en) | 2011-07-11 | 2011-07-11 | Foam concrete sandwich building block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202214897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321342A (en) * | 2013-06-28 | 2013-09-25 | 周琳 | Easily-combined heat-preserving wall brick |
-
2011
- 2011-07-11 CN CN2011202424467U patent/CN202214897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321342A (en) * | 2013-06-28 | 2013-09-25 | 周琳 | Easily-combined heat-preserving wall brick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20130711 |