CN103031902B - Heat-preserving cast-in-situ stripe for sintered shale heat-preserving hollow building block wall body - Google Patents
Heat-preserving cast-in-situ stripe for sintered shale heat-preserving hollow building block wall body Download PDFInfo
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- CN103031902B CN103031902B CN201210592071.6A CN201210592071A CN103031902B CN 103031902 B CN103031902 B CN 103031902B CN 201210592071 A CN201210592071 A CN 201210592071A CN 103031902 B CN103031902 B CN 103031902B
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- 238000011065 in-situ storage Methods 0.000 title abstract description 11
- 239000004567 concrete Substances 0.000 claims description 33
- 239000011449 brick Substances 0.000 claims description 25
- 238000009826 distribution Methods 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 24
- 238000009413 insulation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- -1 sawdust Substances 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a heat-preserving cast-in-situ stripe for a novel sintered shale heat-preserving hollow building block wall body. The heat-preserving cast-in-situ stripe comprises novel sintered shale heat-preserving hollow building blocks built on the cast-in-situ stripe of a main wall body, wherein the main wall body is partitioned into an upper wall body and a lower wall body; a layer of novel sintered shale heat-preserving hollow building blocks is built on the inner and outer sides of the upper section of the lower wall body along the width direction respectively; full-length tension meshes are arranged between the two layers of novel sintered shale heat-preserving hollow building blocks; the two ends of two longitudinal ribs in the full-length tension meshes are reliably connected with construction columns respectively; and transverse tension ribs are arranged between the two layers of novel sintered shale heat-preserving hollow building blocks along the length direction of the main wall body at certain intervals. According to the cast-in-situ stripe, a heat bridge effect between the cast-in-situ stripe and the novel sintered shale heat-preserving hollow building block wall body is avoided effectively on the premise of ensuring the high efficiency and convenience of construction, and the average heat transfer coefficient of a wall body is increased, so that the heat preserving and heat insulating properties of the wall body are improved; and meanwhile, shrinkage fractures can be reduced effectively, the job progress can be accelerated effectively, and continuous construction is realized.
Description
Technical field
The invention belongs to building structure technology field, be specifically related to a kind of cast-in-place band of insulation of body of wall, particularly the cast-in-place band of a kind of sintering shale heat insulating hollow building block wall thermal insulating, it is for exterior wall.
Background technology
The body of wall of building is used for separating and maintenance room interior or exterior space, and have weight-bearing function, exterior wall wherein also should have good heat-insulating property simultaneously.At present, China build that total commodity energy consumption accounts for social total energy consumption nearly 1/3, and heat consumption of building about 80% imports into mainly through heat transfer across wall or spread out of, and wherein exterior wall accounts for 23 ~ 24%.So, reduce building energy consumption, particularly reduce the radiation energy consumption of exterior wall, become an important topic of China's building trade.
Existing external wall heat insulation system existence easily comes off, the life-span is short, poor stability, difficult quality control, and the material such as gas concrete, foam concrete then because autogenous shrinkage causes the problems such as wall crazing greatly, easily, and can not be applied in large area.At present, novel sintered shale insulated building-block is widely used, novel sintered shale insulated building-block take shale as primary raw material, with trade wastes such as flyash, sawdust, steel slags for auxiliary material, and in raw materials for production, with the addition of flyash, sawdust, pore creating material fire.In kiln, produce mutual disconnected space or micropore in sintering procedure in building block, the existence of these spaces or micropore can reduce building block deadweight greatly.Novel sintered shale insulated building-block hole ratio, up to 54%, makes this building block conduct oneself with dignity and is no more than 8.5kN/m
3, and this building block provides good heat-insulating property by its cellular net structure, realizes single materials for wall and meets building energy conservation 65% target call.Novel sintered shale insulated hollow concrete block wall has good thermal and insulating performance, its Self-thermal-insulation System is energy-conservation reaches national Current Building ' energy conservation standard, have high-efficiency insulated property, energy saving, superpower durability, can with the number of advantages such as building same life-span, energy-saving and emission-reduction, obviously can reduce the energy consumption of building.
But, in novel sintered shale insulated hollow concrete block wall building process, how to set up concrete cast-in-situ band then become affect that such energy-saving structure promotes on a large scale key factor, if the concrete cast-in-situ band way that Blindly use is traditional, following problem can be produced: 1, the cast-in-place band of conventional concrete is applicable to masonry structure comparatively ripe at present, but it is ultra-thin for mortar joint, hole ratio is high, the obvious novel sintered shale insulated building-block structure of fragility, existing way specific aim is poor, difficulty of construction is large, collaborative work ability under seismic loading, structure guaranteed performance is not enough, 2, the cast-in-place band thermal transmittance of conventional concrete is obviously greater than main wall body, thus forms obvious heat bridge, affects the thermal and insulating performance of body of wall, greatly can reduce the heat-insulating property of sintering shale heat insulating hollow building block body of wall, 3, just can continue construction after traditional cast-in-place band needs maintenance to some strength, programming is longer, and body of wall usually can be made to produce shrinkage crack.
Summary of the invention
For the cast-in-place band weak point of above-mentioned tradition, the object of the invention is to, a kind of novel sintered shale insulated hollow concrete block wall is provided to be incubated cast-in-place band, this cast-in-place band, under guarantee high construction efficiency easily prerequisite, makes cast-in-place band and novel sintered shale insulated hollow concrete block wall effectively avoid heat bridge effect, improves body of wall mean thermal transmittance, thus improve the thermal and insulating performance of body of wall, effectively can reduce shrinkage crack simultaneously, and can effectively speed up the work, realize sequential production.
In order to achieve the above object, the present invention adopts following technical solution:
A kind of novel sintered shale insulated hollow concrete block wall is incubated cast-in-place band, comprises building by laying bricks or stones embodying at main wall the novel sintered shale insulated building-block watering band position, and described main wall body is novel sintered shale insulated hollow concrete block wall; Described main wall body with cast-in-place band for boundary is divided into upper wall body and lower wall body, inside and outside the upper section width direction of lower wall body, both sides have built the novel sintered shale insulated building-block of one deck respectively by laying bricks or stones, inside building novel sintered shale insulated large of hollow building block length limit in lower wall body inside section and main wall body by laying bricks or stones, musculus cutaneus is neat, and novel sintered shale insulated large of the hollow building block length limit of building by laying bricks or stones in lower wall body outside section is neat with main wall outside skin; Establish elongated drawknot mesh sheet between above-mentioned two-layer novel sintered shale insulated building-block, the two ends of two vertical muscle in elongated drawknot mesh sheet are reliably connected with the constructional column on main wall body both sides respectively; Length direction along main wall body between two-layer novel sintered shale insulated building-block is provided with horizontal tension rib at a certain distance, all there is crotch at the two ends of horizontal tension rib, the two ends of horizontal tension rib are hooked in the groove of novel sintered shale insulated building-block sidewall upper edge setting respectively by crotch, and the degree of depth of groove and width make the crotch of horizontal tension rib end just can put into; Concrete is cast with between two-layer novel sintered shale insulated building-block and lower wall body.
The present invention also comprises following other technologies feature:
Distribution bar in described elongated drawknot mesh sheet adopts reinforcing bar, adjacent distribution bar spacing 300mm.
Length direction along main wall body between described two-layer novel sintered shale insulated building-block is provided with horizontal tension rib every 1m distance.
The specification of described novel sintered shale insulated building-block is 490mm × 80mm × 58mm.
The dark 10mm of described groove, wide 7mm, the hook length of horizontal tension rib is 30mm.
Described main wall body adopts full sized brick header, wall thickness 365mm.
Cast-in-place band structure advantages of simple of the present invention, with the template that inside and outside novel sintered shale insulated building-block is inner concreting, both the problem of stopping work because of concrete curing in work progress had been solved, also the problem of the heat bridge that body of wall produces because of cast-in-place band is solved, effectively can strengthen globality and the heat-insulating property of body of wall, reduce body of wall shrinkage crack.In addition, need not wait for that concrete curing can continue construction to some strength, shorten the duration, outside novel sintered shale insulated building-block effectively can prevent the heat bridge of concrete cast-in-situ band, improves wall insulation performance.Cast-in-place band of the present invention is applicable to other bodies of wall too.
Accompanying drawing explanation
Fig. 1 is that the vertical cross section figure on main wall body built by laying bricks or stones by the cast-in-place band of insulation of the present invention.
Fig. 2 is that the transverse cross-sectional view on main wall body built by laying bricks or stones by the cast-in-place band of insulation of the present invention.
Fig. 3 is the main wall Out-body form schematic diagram of building the cast-in-place band of insulation of the present invention by laying bricks or stones.
Fig. 4 is the structural representation of novel sintered shale insulated building-block.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Detailed description of the invention
See Fig. 1-Fig. 4, novel sintered shale insulated hollow concrete block wall of the present invention is incubated cast-in-place band, comprises the novel sintered shale insulated building-block 2 of building by laying bricks or stones at main wall body 1 cast-in-place band position, and main wall body 1 is novel sintered shale insulated hollow concrete block wall; Main wall body 1 with cast-in-place band for boundary is divided into upper wall body and lower wall body, inside and outside the upper section width direction of lower wall body, both sides have built the novel sintered shale insulated building-block 2 of one deck respectively by laying bricks or stones, inside building novel sintered shale insulated large of the long limit of building-block 2 in lower wall body inside section and main wall body 1 by laying bricks or stones, musculus cutaneus is neat, and outside building novel sintered shale insulated large of the long limit of building-block 2 in lower wall body outside section and main wall body 1 by laying bricks or stones, musculus cutaneus is neat; Elongated drawknot mesh sheet 3 is established between above-mentioned two-layer novel sintered shale insulated building-block 2, the two ends of two in elongated drawknot mesh sheet 3 vertical muscle 31 are reliably connected with the constructional column 9 on main wall body 1 both sides respectively, distribution bar 32 in elongated drawknot mesh sheet 3 adopts reinforcing bar, adjacent distribution bar 32 spacing 300mm; Length direction along main wall body 1 between two-layer novel sintered shale insulated building-block 2 is provided with horizontal tension rib 4 every 1m distance, all there is crotch at the two ends of horizontal tension rib 4, the two ends of horizontal tension rib 4 are hooked in the groove 8 of novel sintered shale insulated building-block 2 sidewall upper edge setting respectively by crotch, and the degree of depth of groove 8 and width make the crotch of horizontal tension rib end just can put into; Concrete 5 is cast with between two-layer novel sintered shale insulated building-block 2 and lower wall body.
The specification of described novel sintered shale insulated building-block 2 is 490mm × 80mm × 58mm (long × wide × high).
Described elongated drawknot mesh sheet 3 is made up of spot welding in the elongated reinforcing bar of 2 φ 10 and the short muscle plane of φ 6@300, and elongated muscle anchors into constructional column length and is not less than 300mm.
Described upper lateral tension rib 4 is φ 6@1000, and its effect mainly ensures the globality of the novel sintered shale insulated building-block 2 that both sides are built by laying bricks or stones.
Described concrete cast-in-situ band 5 is C20 ordinary concrete.
Embodiment:
In order to the performance of cast-in-place band of the present invention is described, inventor has built the novel sintered shale insulated hollow concrete block wall with the cast-in-place band of insulation of the present invention by laying bricks or stones, build common novel sintered shale insulated hollow concrete block wall simultaneously by laying bricks or stones, and carry out Thermal Performance Test research.Detailed process is as follows:
In construction, main wall body 1 adopts full sized brick header, wall thickness 365mm, and construction method adopts mucilage method.At the cast-in-place band position of main wall body 1, after the section of cleaning lower wall body, dedicated mortar is got with novel sintered shale insulated building-block 2 is sticky, the sticky dedicated mortar got in bottom should ensure full, bond novel sintered shale insulated building-block 2 both sides inside and outside the upper section of lower wall body, makes novel sintered shale insulated large of the long limit of building-block building block 2 neat with crust in main wall body 1 respectively.After in full wafer lower wall body, in section, outside all lays novel sintered shale insulated building-block building block 2 layers, elongated drawknot mesh sheet 3 is established between two-layer WDF insulation blocks 2, two in elongated drawknot mesh sheet 3 vertical muscle 31 are reliably connected with both sides constructional column 9, distribution bar 31 adopts reinforcing bar, adjacent distributions muscle 31 spacing 300mm.The novel sintered shale insulated building-block 2 on both sides is every 1m distance horizontal tension rib 4 drawknot on the upside of inwall, horizontal tension rib 4 is arranged in the groove 8 of inside and outside novel sintered shale insulated building-block building block 2 inwall upper edge, the dark 10mm of groove 8, wide 7mm, the hook length of horizontal tension rib 4 is 30mm.With the novel sintered shale insulated building-block building block 2 on both sides and lower wall body for template, cast-in-situ concrete 5.After concrete vibrations tamping, fill concrete surface, make it horizontal plane a little more than WDF building block end face, can continue to build upper wall body by laying bricks or stones.
Built two class body of wall coefficient of thermal test pieces respectively by laying bricks or stones, one is pure body of wall, and another is add the body of wall being incubated cast-in-place band.Test specimen 1 is pure body of wall, and the sintering shale heat insulating hollow building block adopting the building block of master ga(u)ge lattice to be of a size of 365mm × 248mm × 249mm is built by laying bricks or stones, and its thickness is 365mm, and sample dimensions is the body of wall of 1.65m × 1.65m, and gray seam thickness is 1 ~ 2mm.Test specimen 2, for adding the cast-in-place band body of wall of insulation, is built specification by laying bricks or stones as test specimen 1, is added level and be incubated cast-in-place band in the middle part of the main wall body of test specimen 2.The WTRZ-1212 type body of wall stable state heat transfer performance testing machine that this test adopts Shenyang Wei Te application technology development corporation, Ltd. to prepare, according to GB/T13475-2008 " mensuration of building unit steady state thermal hereditary property is demarcated and protective hot box method ", adopt protective hot box method principle, the method of the hot case of composite calibration simultaneously, measures thermal transmittance and the thermal resistance of test specimen body of wall.Result of the test and data as follows:
Table 1 weigh box outer wall surfaces externally and internally Area-weighted average temperature
Table 2 weigh box nose cone surfaces externally and internally temperature
Table 3 test specimen both sides average temperature and the temperature difference
The hot and cold case average temperature of air of table 4 and environment temperature
The hot and cold case temperature difference of table 5 and weigh box heating power
According to GB/T13475-2008 " mensuration of building unit steady state thermal hereditary property is demarcated and protective hot method ":
In formula: A---be test specimen metering region area, m
2;
T
si---be the hot side surface temperature of test specimen, K or DEG C;
T
se---be test specimen cold side surface temperature, K or DEG C;
T
ni---be test specimen hot side environment temperature, K or DEG C;
T
ne---be test specimen cold side environment temperature, K or DEG C
Q
1---by the heat flow of test specimen; Q
p---the total power input of heating or cooling;
Obtained by above-mentioned formulae discovery: the Coefficient K=0.476W/(m of test specimen 1 body of wall
2k), entire thermal resistance R=2.101m
2k/W, the Coefficient K=0.462W/(m of test specimen 2 body of wall
2k), entire thermal resistance R=2.165m
2k/W, as can be seen from result of the test, the thermal transmittance of two panels test specimen body of wall is all less than 0.5W/(m
2k), according to " severe cold and cold district energy Saving Design of Residential Buildings standard " JGJ26-2010, building energy conservation 65% target call is all met.Contrast two test specimen thermal transmittances, test specimen 2 wall heat transfer coefficient is less than the thermal transmittance of test specimen 1 body of wall, little 0.014W/(m
2k), illustrate that the cast-in-place band of insulation of test specimen 2 body of wall effectively eliminates the heat bridge effect of the cast-in-place band generation of tradition, and improve the thermal and insulating performance of body of wall entirety, make the body of wall with the cast-in-place band of insulation be provided with better heat preservation and energy conservation effects than pure body of wall.
Claims (6)
1. a novel sintered shale insulated hollow concrete block wall is incubated cast-in-place band, it is characterized in that, comprise the novel sintered shale insulated building-block (2) of building by laying bricks or stones at main wall body (1) cast-in-place band position, described main wall body (1) is novel sintered shale insulated hollow concrete block wall; Described main wall body (1) with cast-in-place band for boundary is divided into upper wall body and lower wall body, inside and outside the upper section width direction of lower wall body, both sides have built the novel sintered shale insulated building-block (2) of one deck respectively by laying bricks or stones, large of novel sintered shale insulated building-block (2) the long limit of building by laying bricks or stones in lower wall body inside section is neat with main wall body (1) inner side musculus cutaneus, and large of novel sintered shale insulated building-block (2) the long limit of building by laying bricks or stones in lower wall body outside section is neat with main wall body (1) outside musculus cutaneus; Establish elongated drawknot mesh sheet (3) between above-mentioned two-layer novel sintered shale insulated building-block (2), the two ends of two vertical muscle (31) in elongated drawknot mesh sheet (3) are reliably connected with the constructional column (9) on main wall body (1) both sides respectively; Length direction along main wall body (1) between two-layer novel sintered shale insulated building-block (2) is provided with horizontal tension rib (4) at a certain distance, all there is crotch at the two ends of horizontal tension rib (4), the two ends of horizontal tension rib (4) are hooked in the groove (8) of novel sintered shale insulated building-block (2) sidewall upper edge setting respectively by crotch, and the degree of depth of groove (8) and width make the crotch of horizontal tension rib end just can put into; Concrete (5) is cast with between two-layer novel sintered shale insulated building-block (2) and lower wall body.
2. novel sintered shale insulated hollow concrete block wall as claimed in claim 1 is incubated cast-in-place band, it is characterized in that, the distribution bar (32) in described elongated drawknot mesh sheet (3) adopts reinforcing bar, adjacent distribution bar (32) spacing 300mm.
3. novel sintered shale insulated hollow concrete block wall as claimed in claim 1 is incubated cast-in-place band, it is characterized in that, the length direction along main wall body (1) between described two-layer novel sintered shale insulated building-block (2) is provided with horizontal tension rib (4) every 1m distance.
4. novel sintered shale insulated hollow concrete block wall as claimed in claim 1 is incubated cast-in-place band, it is characterized in that, the specification of described novel sintered shale insulated building-block (2) is 490mm × 80mm × 58mm.
5. novel sintered shale insulated hollow concrete block wall as claimed in claim 1 is incubated cast-in-place band, it is characterized in that, described groove (8) dark 10mm, wide 7mm, the hook length of horizontal tension rib (4) is 30mm.
6. novel sintered shale insulated hollow concrete block wall as claimed in claim 1 is incubated cast-in-place band, it is characterized in that, described main wall body (1) adopts full sized brick header, main wall body (1) thick 365mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210592071.6A CN103031902B (en) | 2012-12-29 | 2012-12-29 | Heat-preserving cast-in-situ stripe for sintered shale heat-preserving hollow building block wall body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210592071.6A CN103031902B (en) | 2012-12-29 | 2012-12-29 | Heat-preserving cast-in-situ stripe for sintered shale heat-preserving hollow building block wall body |
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| Publication Number | Publication Date |
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| CN103031902A CN103031902A (en) | 2013-04-10 |
| CN103031902B true CN103031902B (en) | 2015-01-21 |
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| CN201210592071.6A Expired - Fee Related CN103031902B (en) | 2012-12-29 | 2012-12-29 | Heat-preserving cast-in-situ stripe for sintered shale heat-preserving hollow building block wall body |
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| CN104563329A (en) * | 2014-10-27 | 2015-04-29 | 顾世章 | Load-bearing heat-preserving integrated shear wall structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9108592D0 (en) * | 1991-04-22 | 1991-06-05 | Hepworth Building Prod | Building block |
| CN2627092Y (en) * | 2003-07-24 | 2004-07-21 | 北京亿力通达科技发展有限责任公司 | Lightweight concrete thermal insulation hollow building-block |
| RU92881U1 (en) * | 2008-10-13 | 2010-04-10 | Федеральное государственное образовательное учреждение высшего профессионального образования "Сибирский федеральный университет" | HEAT INSULATION ELEMENT |
| CN101775860A (en) * | 2010-02-01 | 2010-07-14 | 吴方伯 | Heat-insulating double-layered wall for buildings |
| CN203022157U (en) * | 2012-12-29 | 2013-06-26 | 西安建筑科技大学 | Insulating cast-in-place area of insulating hollow sintered shale brickwork |
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