CN102758491B - Shear wall heat insulation system and construction method thereof - Google Patents
Shear wall heat insulation system and construction method thereof Download PDFInfo
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- CN102758491B CN102758491B CN201210189674.1A CN201210189674A CN102758491B CN 102758491 B CN102758491 B CN 102758491B CN 201210189674 A CN201210189674 A CN 201210189674A CN 102758491 B CN102758491 B CN 102758491B
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Abstract
The invention provides a shear wall heat insulation system and a construction method thereof, wherein the shear wall heat insulation system comprises a cast-in-place shear wall layer and an aerated concrete layer, wherein the aerated concrete layer is attached to the outer side of the cast-in-place shear wall layer; the aerated concrete layer is an outer template of the cast-in-place shear wall layer, and the aerated concrete layer is a masonry layer. The shear wall thermal insulation system provided by the invention comprises three layers of materials. The innermost layer of the system is a cast-in-place concrete shear wall layer, the middle layer is an aerated concrete heat-insulating layer, and the outermost layer is an outer wall ceramic tile decorative surface layer. The heat conductivity coefficient of the aerated concrete heat-insulating layer is 0.12 kcal/m.h. DEG C, and the heat-insulating property is good. The aerated concrete heat-insulating layer has excellent durability, and the strength of the aerated concrete heat-insulating layer is reduced little when the aerated concrete is naturally carbonized in the using process. The influence of the freeze thawing effect on the system is small, so that the system is subjected to heat preservation, and the durability of the heat preservation material is good. And the aerated concrete is a non-combustion body and can play a role in fire prevention.
Description
Technical field
The present invention relates to shear wall construction field, especially, relate to a kind of shear wall thermal insulation system, another aspect of the present invention additionally provides a kind of construction method of above-mentioned shear wall thermal insulation system.
Background technology
In highrise building, the energy-saving effect of heat-insulating property to whole building of shear wall has very important effect.Current China widely used shear wall thermal insulation means in Practical Project mainly contain inside holding method and Surgery therapy method two kinds.Two kinds of methods all have problems: namely: during as used inside holding method, the places such as inner-outer wall junction, collar tie beam, easily form heat bridge, and insulation layer is easy to crack, come off, and keep in repair insulation layer difficulty simultaneously; During as used Surgery therapy method, heat insulating material is in outdoor for a long time, and heat insulating material cracking easily occurs and forms hollowing, the heat insulating material lost of life, and the exterior trim be installed on heat insulating material also easily comes off, and the fireproof performance of heat insulating material is poor simultaneously.
Summary of the invention
The object of the invention is to provide a kind of shear wall thermal insulation system and construction method thereof, short for application life to solve heat insulating material in prior art, the caducous technical problem of insulation layer, finish material.
For achieving the above object, according to an aspect of the present invention, provide a kind of shear wall thermal insulation system, comprise cast-in-place note shearing wall layers and aerated concrete layer, aerated concrete layer laminating is arranged at the outside of cast-in-place note shearing wall layers; Aerated concrete layer is the exterior sheathing of cast-in-place note shearing wall layers, and aerated concrete layer is for building layer by laying bricks or stones.
Further, the finish coat be installed on outside aerated concrete layer is also comprised.
Further, also comprise multiple Screw arbor with nut at both-ends and multiple cement fastener, Screw arbor with nut at both-ends and cement fastener are installed in cast-in-place note shearing wall layers respectively vertical aerated concrete layer; Multiple Screw arbor with nut at both-ends to misplace dispersion arrangement respectively along the vertical and horizontal of aerated concrete layer; Multiple cement fastener is installed in one end of cast-in-place shear wall layer, and to misplace respectively dispersion arrangement along the vertical and horizontal of aerated concrete layer.
Further, also comprise the many reinforcing bars be installed in cast-in-place note shearing wall layers, reinforcing bar hang on cement fastener, and vertical Screw arbor with nut at both-ends; Reinforcing bar, cement fastener and Screw arbor with nut at both-ends form net-shaped steel skeleton in cast-in-place note shearing wall layers.
Additionally provide a kind of construction method of above-mentioned shear wall thermal insulation system according to a further aspect in the invention, comprise the following steps:
1) aerated concrete layer as cast-in-place note shearing wall layers exterior sheathing is built by laying bricks or stones;
2) inner formword of cast-in-place note shearing wall layers is also just being installed at interval to aerated concrete layer, and inner formword is positioned at the inner side of aerated concrete layer;
3) fluid concrete in inner formword and aerated concrete layer institute region, forms cast-in-place note shearing wall layers.
Further, before step 3), multiple Screw arbor with nut at both-ends and multiple cement fastener are installed between aerated concrete layer and inner formword.
Further, after installation Screw arbor with nut at both-ends and cement fastener, and before step 3), stupefied in the outside of aerated concrete layer is installed, install outer stupefied in the outside of inner formword; In stupefied and outer stupefied parallel to each other and be parallel to aerated concrete layer.
Further, before step 3), aerated concrete layer is prewetted.
The present invention has following beneficial effect:
Shear wall thermal insulation system provided by the invention comprises trilaminate material.This system innermost layer is cast-in-place concrete shear wall layer, and intermediate layer is gas concrete insulation layer, and outermost layer is outdoor tile finish coat.The coefficient of thermal conductivity of gas concrete insulation layer is 0.12 kilocalorie of/meter of time DEG C, and thermal and insulating performance is good.The excellent durability of gas concrete insulation layer own, in use procedure, during the carbonization of gas concrete nature, intensity declines few.Unfreezing is also very little on its impact, therefore this system is incubated, and the durability of heat insulating material is good.
Shear wall thermal insulation system provided by the invention adopts the gas concrete with fireproof performance as insulation layer, makes this system can play fireproof effect again while the effect playing insulation.Gas concrete is a kind of non-combustible, and the low thermophoresis of its heat conductivity is slow, in self incombustible situation, can also other structures of protect system be unlikely to, because being heated excessively, harmful effect occurs.This material at high temperature also can not produce pernicious gas, and its intensity even slightly increases when system temperature is below 600 DEG C.The fireproof performance of gas concrete can reach and meet the requirement of the Ministry of Public Security to fire proofing material, has widened the scope of application of this system.
Shear wall thermal insulation system provided by the invention is cheap.Only calculate consume artificial, material, machinery three expenses, the cost of this system is about 32.57 yuan/m
2, and when adopting expanded and vitrified small ball under the same conditions as heat insulating material, the cost of this system is about 67.33 yuan/m
2.
Be the exterior sheathing during cast of shearing wall layers with aerated concrete layer in construction method provided by the invention.When making fluid concrete, the concrete on shear wall surface can directly contact with gas concrete.Also there is a large amount of hole in its surface in the chemical compound that gas concrete had both had ordinary concrete simultaneously.When adopting this material to carry out cast shear wall concrete as the exterior sheathing of concrete shear wall layers, the concrete mortar of flowing can enter in the hole on gas concrete surface, make concrete hydration reaction can be deep into aerated concrete layer inside to carry out, after sclerosis, between concrete shear force wall and gas concrete, form the strong means for mounting coupling parts of stress-bearing capability.Means for mounting coupling parts can effectively solve conventional vacuum layer and shearing wall layers bonds loosely, easily produces the phenomenon that hollowing comes off.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the shear wall thermal insulation system partial structurtes schematic diagram of the preferred embodiment of the present invention;
Fig. 2 is the shear wall thermal insulation system work progress partial schematic sectional view of the preferred embodiment of the present invention;
Fig. 3 be Fig. 2 overlook cross-sectional schematic;
Fig. 4 is the shear wall thermal insulation system work progress partial schematic sectional view of the preferred embodiment of the present invention;
Fig. 5 is the structural representation of system test specimen of the present invention used in shearing-stretching experiment;
Fig. 6 splits to draw experiment system test specimen structural representation of the present invention used;
Fig. 7 is the present invention's concrete multi-shaft experiment used charger structural representation; And
Fig. 8 is that used the splitting of the present invention draws experiment dress to add mounting structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
See Fig. 1, shear wall thermal insulation system provided by the invention comprises cast-in-place note shearing wall layers 1 and aerated concrete layer 2, and aerated concrete layer 2 is for building by laying bricks or stones.Aerated concrete layer 2 laminating is arranged at the outside of cast-in-place note shearing wall layers 1, plays the effect of insulation.Aerated concrete layer 2 plays a role as the exterior sheathing of cast-in-place note shearing wall layers 1 simultaneously.The exterior sheathing need installed when substituting fluid concrete.Cast-in-place note shearing wall layers 1 routinely construction method is poured into a mould.In order to increase the attractive in appearance of system, also can stick finish material in the outside of aerated concrete layer 2 and forming finish coat 3.
In conjunction with see Fig. 2, in order to increase the intensity of cast-in-place note shearing wall layers 1, before fluid concrete, the many Screw arbor with nut at both-ends 230 perpendicular to aerated concrete layer 2 need be set in region to be cast.Each root Screw arbor with nut at both-ends 230 is along the vertical and horizontal dislocation dispersion arrangement of aerated concrete layer 2.System is stretched out at the two ends of each root Screw arbor with nut at both-ends 230, and the end that each root Screw arbor with nut at both-ends 230 stretches out system is provided with screw thread, 3 type components 250 are set in the two ends of corresponding Screw arbor with nut at both-ends 230 respectively, again nut is screwed on the screw thread at the two ends of corresponding Screw arbor with nut at both-ends 230, with locked on the outer wall of 3 type components 250, thus Screw arbor with nut at both-ends 230 is fixed.
In conjunction with see Fig. 3, in one end of cast-in-place note shearing wall layers 1, go back space set many cement fasteners 220.The vertical aerated concrete layer 2 of each cement fastener 220 is installed, the staggered dispersion arrangement of the vertical and horizontal along aerated concrete layer 2.For strengthening the stress load of cast-in-place note shearing wall layers 1 further, also many reinforcing bars can be hung in cast-in-place note shearing wall layers 1.Reinforcing bar, perpendicular to Screw arbor with nut at both-ends 230, is parallel to aerated concrete layer 2.The webbed shear wall steel frame of cement fastener 220, reinforcing bar and Screw arbor with nut at both-ends 230 groups.This skeleton is contained in cast-in-place note shearing wall layers 1.
Each layer of above-mentioned system all can be made according to a conventional method.Needed to install inner formword before cast shearing wall layers, the region that both inner formword and aerated concrete layer surround is the cast region of shear wall.When pouring into a mould, inner formword and aerated concrete layer play supporting and shaping effect to the concrete poured into a mould.Inner formword is removed after cast.Adopt this structure to save installation procedure, reduce the installation of exterior sheathing.Simultaneously because the concrete of cast directly contacts with aerated concrete layer, can go deep into when layer of concrete solidifies forming means for mounting coupling parts in gas concrete, strengthen the adhesion strength of system.
For making the adhesive property between aerated concrete layer and 2 cast-in-place note shearing wall layers 1 more excellent, another aspect of the present invention additionally provides a kind of construction method of above-mentioned shear wall thermal insulation system.The method comprises the following steps:
First vertical ground builds gas concrete fragment of brick by laying bricks or stones, obtains aerated concrete layer 2, and the size of aerated concrete layer 2 is corresponding with cast-in-place note shearing wall layers 1.Build by laying bricks or stones according to a conventional method when building gas concrete fragment of brick 2 by laying bricks or stones.
See Fig. 2, be positioned at the inner formword 270 inside aerated concrete layer 2, and on inner formword 270 and aerated concrete layer 2, be oppositely arranged installing hole according to the position of installing Screw arbor with nut at both-ends 230.By 3 type components 250, Screw arbor with nut at both-ends 230 is mounted in installing hole.Afterwards again the inner side of aerated concrete layer 2 install in stupefied 210.Outer stupefied 240 are installed in the outside of inner formword 270.In after pouring into a mould cast-in-place note shearing wall layers 1, stupefied 210 and outer stupefied 240 all need to remove.
See Fig. 3, in the one end in the region that inner formword 270 and aerated concrete layer 2 surround, cement fastener 220 is installed.Horizontal and vertical staggered dispersion along aerated concrete layer 2 between many cement fasteners 220 is installed.Obvious now also can be hung on many reinforcing bars on cement fastener 220.Cement fastener 220, reinforcing bar and Screw arbor with nut at both-ends 230 is made to form net-shaped steel skeleton in the region that inner formword 270 and aerated concrete layer 2 surround.
See Fig. 4, fluid concrete in the region that inner formword 270 and aerated concrete layer 2 surround, forms cast-in-place note layer of concrete 1.Aerated concrete layer 2 plays the effect of cast shear wall exterior sheathing, both can support cast-in-place note layer of concrete 1, cast-in-place note layer of concrete 1 can be made again directly to contact with aerated concrete layer 2.Concrete casting solidifies after injecting this region, and now concrete directly and the surface contact of aerated concrete layer 2.Concrete hydration reaction can be deep into aerated concrete layer inside to carry out, and forms the strong means for mounting coupling parts of stress-bearing capability after sclerosis between concrete shear force wall and gas concrete.Means for mounting coupling parts can effectively solve conventional vacuum layer and shearing wall layers bonds loosely, easily produces the phenomenon that hollowing comes off.
Certainly in order to increase the adhesion strength between aerated concrete layer 2 and cast-in-place note layer of concrete 1, can prewet to aerated concrete layer 2 according to a conventional method before the cast-in-place note layer of concrete 1 of cast.
Shear wall thermal insulation system adhesive property is tested
1 experimental material
Test concrete be Composite portland cement (numbering P.C32.5) purchased from Changsha Ping Tang cement plant, mixing obtains concrete, and mean compressive strength is 21.8MPa.Gas concrete (MU3.5 level) is purchased from the permanently happy building materials Co., Ltd of Changsha.With reference to " Standard for test methods of concrete structures " (GB50152-92) and " steam-pressing aero-concrete method for testing performance " (GBT11969-2008), manufacturing dimension is the test specimen of 600 × 150 × 150mm.
Shearing-stretching experiment test specimen 1 is see Fig. 5, and test specimen comprises the first cast-in-place note layer of concrete 340, aerated concrete layer 310 and the second fluid concrete layer 330 that are positioned at inside punching block 320.Punching block 320 comprises two steel plates staggered relatively.The outside of first, second cast-in-place note layer of concrete 340,350 connects with the inside wall of punching block 320 respectively.Aerated concrete layer 310 is arranged between first, second cast-in-place note layer of concrete 340,350.On the lateral wall of punching block 320, also symmetry has installed two suspension ring 350.
Test specimen production method: air-entrained concrete building block is cut into 100mm × 150mm × 150mm, is fixed on punching block 320 central authorities being of a size of 600mm × 150mm × 150mm.After watering on air-entrained concrete building block, between the both sides of water air-entrained concrete building block and punching block 320, pour into a mould new mixing ordinary concrete.After casting complete, test specimen is placed on vibroplatform, vibrate 3 minutes shaping, cover test specimen with wet gunnysack after having vibrated, leave standstill the punching block 320 removing test specimen both sides after 24 hours.In order to closer to construction time state, test specimen adopt cover water seasoning, curing time is 28 days.Polish test specimen both sides ordinary concrete topping until expose coarse aggregate with concrete sander after maintenance completes, then with high-strength epoxy plastic bonding agent, punching block 320 is affixed to the outside of test specimen, leave standstill 24 hours.
Split and draw experiment test specimen 2 see Fig. 6, sample dimensions is 100 × 150 × 150mm, comprises the aerated concrete layer 310 and the second fluid concrete layer 330 of fitting each other.Production method: first pile up aerated concrete layer 310 and template is set at interval, face in contrast, pour into a mould the second fluid concrete layer 330 between template and aerated concrete layer 310.After the second fluid concrete layer 330 parches, stripping obtains test specimen.
Split and draw Experimental comparison's example test specimen by the regulation of " expansion joints bellows external thermal insulation system " (JG149-2003), stick with glue agent and polyphenyl plate is affixed on the shear wall outer wall that laid, be of a size of 100 × 150 × 150mm.Bonding adhesive used is for commonly using as polyurethane adhesive etc.
2 experimental facilities and experimental program
Test specimen shearing-stretching experiment
The concrete multi-shaft experiment charger adopting structure to show as Fig. 7 is tested.Concrete multi-shaft experiment charger comprises and is installed on reaction frame 410 above test specimen 1, is fixed on the strain gauge 400 on reaction frame 410 towards test specimen 1, the jack 430 be connected, is installed on fixing steelframe 440 on the left of test specimen 1, is installed on chest expander on the right side of test specimen 1, for laying the dolly 460 of test specimen 1 and placing the testing counter 490 of dolly 460 with strain gauge 400 one end.Test specimen 1 is placed in bottom and has installed on the dolly 460 of wheel.Dolly 460 comprises the first dolly and the second dolly placed at interval.First dolly and the second dolly interval are positioned on testing counter 490.The first layer of concrete 340 in test specimen 1 is positioned on the first dolly, and the second layer of concrete 330 is positioned on the second dolly.The aerated concrete layer 310 of test specimen 1 is unsettled.The fixing steelframe 440 of test specimen 1 side is connected with the suspension ring 350 of test specimen 1 side by steel strand 450.The suspension ring 350 of test specimen 1 opposite side are just to chest expander.The pulling force loader 480 that chest expander comprises adjustable pulley 470 and is positioned at below this pulley 470.The suspension ring 350 of test specimen 1 opposite side are connected with pulling force loader 480 by steel strand 450, and steel strand 450 are overlapped on pulley 470.Pulling force loader 480 is for holding the hanging basket of counterweight.One end of jack 430 connects with the top of aerated concrete layer 310 in test specimen 1.
When needing to test the axially loaded ability of test specimen 1, in the hanging basket of pulling force loader 480, place counterweight.The steel strand 450 of test specimen 1 side are tightened up, and the steel strand 450 of test specimen 1 opposite side are also tightened up.Test specimen 1 bears lateral force.
When needing to detect the shear stress stress-bearing capability of test specimen 1, by the wheel bottom fixing dolly 460, keep dolly static.Downward pressure is applied by jack 430 pairs of test specimens 1.Jack 430 exert a force and act on aerated concrete layer 310, between aerated concrete layer 310 and first, second layer of concrete 340,330, produce longitudinal shearing stress.Jack 430 exerted forces can be measured by strain gauge 400.
This maximum pressure value testing jack 430 used is 10 tons.Requirement according to " Standard for test methods of concrete structures " (GB50152-92) carries out hierarchical loading to added shear stress, and the size of shear stress is strain gauge 400 and the reading of supporting measuring stress instrument thereof of 5t by maximum range.Lateral force value is converted by the actual counterbalance mass putting into hanging basket and obtains.
Test specimen is split and is drawn experiment
Adopt splitting and draw experiment dress to add mounting and test as shown in Figure 8.This device comprises the pressuring machine pressing plate 500 being positioned at test specimen 2 top and bottom.Pressing plate 500 is all provided with angle steel 510 in the one side of test specimen 2.The sharp-pointed abutted surface rectified aerated concrete layer in test specimen 2 310 and the second fluid concrete layer 330 of angle steel 510.During experiment, start pressuring machine pressing plate 500 and press down to test specimen 2, the sharp end of angle steel 510 makes the abutted surface of aerated concrete layer 310 and the second fluid concrete layer 330 stressed, thus measures the stress-bearing capability of the two abutted surface in test specimen 2.Pressuring machine institute plus-pressure can read from pressuring machine instrument.Comparative example test specimen is also tested by above-mentioned condition.
The content recorded is needed to comprise in test:
1. when each test specimen occurs to destroy, suffered side direction tensile stress value;
2. when each test specimen occurs to destroy, suffered value of shearing;
3. there is the form destroying rear failure mechanics in each test specimen.
3 test specimen test result and explanations thereof
The failure mechanics type of test specimen comprises pure interface destruction, interface-material damage and material damage three kinds of brittle fractures.
The first kind: pure interface destroys.Test specimen has the splitting sound when destroying, and test specimen destroys from the aerated concrete layer interface that to connect with cast-in-place note layer of concrete, is divided into 2 pieces, payload values when payload values during test specimen generation interfacial failure will remarkable be destroyed lower than generating material.The deface of test specimen is overall destruction, cause the reason of this phenomenon be due to when load reach certain certain value time the interface that bond of aerated concrete layer 310 and layer of concrete on to reach capacity adhesion strength simultaneously, thus make whole bonding interface occur misplace and destroy simultaneously.
Equations of The Second Kind: interface-material damage.Test specimen has the splitting sound when destroying, and test specimen is broken to 2 ~ 3 pieces.It is inclined-plane that test specimen destroys interface, and this inclined-plane extends to aerated concrete layer 310 and the first or second fluid concrete layer 330 or 340 abutted surface from aerated concrete layer 310 inside.Payload values during test specimen generation interface-material damage is between material damage and interfacial failure.
3rd class: material damage.Test specimen has the splitting sound when destroying, and test specimen is broken to 2 ~ 3 pieces.When test specimen generating material destroys, failure mechanics is all in aerated concrete layer 310, and aerated concrete layer 310 is intact with first, second fluid concrete layer 330,340 interface saving.Test specimen stressed maximum time there is material damage.
Tensile stress and shear stress lateral force and vertical force suffered by test specimen calculate by common-used formula.Each specimen test the results are shown in Table 1.
Table 1 test specimen shearing-stretch test result
Test specimen is split and is drawn experiment
The different experiment of 5 pressure is carried out to test specimen 2, and test specimen 2 pressure and intensity thereof when record occurs to destroy, the results are shown in Table 2.
Table 2 test specimen 2 is split and is drawn experimental result
| Experiment numbers | 1 | 2 | 3 | 4 | 5 | Average |
| Force value (kN) | 13.70 | 11.00 | 14.40 | 21.40 | 15.70 | 15.24 |
| Intensity (Mpa) | 0.63 | 0.50 | 0.67 | 0.98 | 0.71 | 0.70 |
4 conclusions
From table 1, all non-interfacial failure of test specimen 1 ~ 9, illustrates in shear wall thermal insulation system provided by the invention and bonds closely between aerated concrete layer and cast-in-place note layer of concrete, not easily occur coming off, even if lateral force reaches 400kg, when vertical force reaches 20.16KN, still there is not interfacial failure.The heat insulation system that the relatively existing method of system provided by the invention is obtained is described, interfacial bond property is more excellent.
From table 2, test specimen 2 can bear longitudinal pressure up to 15.24kN, and intensity reaches 0.7Mpa.And comparative example test specimen under the same conditions, only 0.2Mpa can be born.Illustrate that the heat insulation system adhesive strength adopting method provided by the invention obtained is larger, difficult drop-off.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a construction method for shear wall thermal insulation system, is characterized in that, described shear wall thermal insulation system comprises cast-in-place note shearing wall layers and aerated concrete layer, and described aerated concrete layer laminating is arranged at the outside of described cast-in-place note shearing wall layers; Described aerated concrete layer is the exterior sheathing of described cast-in-place note shearing wall layers, and described aerated concrete layer is for building layer by laying bricks or stones;
Also comprise multiple Screw arbor with nut at both-ends and multiple cement fastener, described Screw arbor with nut at both-ends and described cement fastener are installed in described cast-in-place note shearing wall layers respectively vertical described aerated concrete layer;
Multiple described Screw arbor with nut at both-ends to misplace dispersion arrangement respectively along the vertical and horizontal of described aerated concrete layer; Multiple described cement fastener is installed in one end of described cast-in-place shear wall layer, and to misplace respectively dispersion arrangement along the vertical and horizontal of described aerated concrete layer;
This wall construction method, comprises the following steps:
1) first vertical ground builds gas concrete fragment of brick by laying bricks or stones, obtains aerated concrete layer, and the size of aerated concrete layer is corresponding with cast-in-place note shearing wall layers;
2) be positioned at the inner formword inside aerated concrete layer, and on inner formword and aerated concrete layer, be oppositely arranged installing hole according to the position of installing Screw arbor with nut at both-ends; By 3 type components, Screw arbor with nut at both-ends is mounted in installing hole; Stupefied in the inner side of aerated concrete layer is installed again afterwards; Install outer stupefied in the outside of inner formword; In after pouring into a mould cast-in-place note shearing wall layers, stupefied and outer stupefied all need is removed;
3) in the one end in the region that inner formword and aerated concrete layer surround, cement fastener is installed; Horizontal and vertical staggered dispersion along aerated concrete layer between many cement fasteners is installed;
4) to fluid concrete in the region that inner formword and aerated concrete layer surround, form cast-in-place note layer of concrete, obtain described shear wall thermal insulation system;
In described step 3) before, multiple Screw arbor with nut at both-ends and multiple cement fastener are installed between described aerated concrete layer and described inner formword;
Also comprise the many reinforcing bars be installed in described cast-in-place note shearing wall layers, described reinforcing bar hang on described cement fastener, and vertical described Screw arbor with nut at both-ends; Described reinforcing bar, described cement fastener and Screw arbor with nut at both-ends form net-shaped steel skeleton in described cast-in-place note shearing wall layers.
2. the construction method of shear wall thermal insulation system according to claim 1, is characterized in that, also comprises the finish coat be installed on outside described aerated concrete layer.
3. the construction method of shear wall thermal insulation system according to claim 1, it is characterized in that, after the described Screw arbor with nut at both-ends of installation and cement fastener, and in described step 3) before, stupefied in the outside of described aerated concrete layer is installed, install outer stupefied in the outside of described inner formword; Described interior stupefied and described outer stupefied parallel to each other and be parallel to described aerated concrete layer.
4. the construction method of shear wall thermal insulation system according to claim 1, is characterized in that, in described step 3) before, described aerated concrete layer is prewetted.
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| CN104120806A (en) * | 2013-04-26 | 2014-10-29 | 杜朝锁 | Technical system for polyphenyl-caulked thermal insulation composite load bearing wall construction |
| CN108005257A (en) * | 2017-12-12 | 2018-05-08 | 蒋燕鑫 | A kind of construction techniques |
| CN108996960A (en) * | 2018-07-20 | 2018-12-14 | 宁波普利凯建筑科技有限公司 | A kind of preformed self thermal insulation shear wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749968Y (en) * | 2004-06-11 | 2006-01-04 | 单国民 | External wall protection body for energy-saving building |
| CN101929203A (en) * | 2010-04-12 | 2010-12-29 | 宋培高 | 65 percent energy-saving external heat insulation technical measure for external wall of building |
| CN202181626U (en) * | 2011-07-22 | 2012-04-04 | 中国建筑第二工程局有限公司 | Self-heat-preservation composite outer wall |
| CN202672405U (en) * | 2012-06-08 | 2013-01-16 | 长沙理工大学 | Shear wall heat preservation system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749968Y (en) * | 2004-06-11 | 2006-01-04 | 单国民 | External wall protection body for energy-saving building |
| CN101929203A (en) * | 2010-04-12 | 2010-12-29 | 宋培高 | 65 percent energy-saving external heat insulation technical measure for external wall of building |
| CN202181626U (en) * | 2011-07-22 | 2012-04-04 | 中国建筑第二工程局有限公司 | Self-heat-preservation composite outer wall |
| CN202672405U (en) * | 2012-06-08 | 2013-01-16 | 长沙理工大学 | Shear wall heat preservation system |
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| Title |
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| 大模内置施工质量通病及防治;林国海等;《建筑科技》;20081231(第7期);第120-121页 * |
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