A kind of heat preserving exterior wall construction technology
Technical field
The present invention relates to construction engineering technical fields, more specifically, it relates to a kind of heat preserving exterior wall construction technology.
Background technique
With the fast development of science and technology, construction material also develops to the direction of energy-saving and environmental protection, especially wall body structure
Energy-saving design, also show the increasingly flourishing impetus.More and more architectural designs in line with heat preservation energy-saving design concept, no
It is disconnected to attempt to increase on wall or improve better thermal insulation material and structure, preferably reach energy-saving and environment-friendly social trend.
A kind of crutches transverse direction mortar joint type self heat insulation wall is disclosed in the Chinese patent that notification number is CN105672659A
Building method, for building self heat insulation wall, building method main points are: use long bench-type top bottom skin self-thermal insulation wall building block
With short bench-type top bottom skin self-thermal insulation wall building block as building block in wall, thick hook type self heat insulation wall wall end building block is built as wall end
Block combines masonry panel bottom skin.It is built using long bench-type top bottom skin self-thermal insulation wall building block and short bench-type top bottom skin self heat insulation wall
Block combines masonry panel and most pushes up skin as building block in wall, thin hook type self heat insulation wall wall end building block as the building block of wall end.Using nothing
Cold bridge self-thermal insulation wall building block is as building block in wall, and the end building block of mesothelium wall is as the building block of wall end, group in no cold bridge self heat insulation wall
Close each skin among masonry panel.In self heat insulation wall building process, the vertical mortar joint of oblique type and crutches transverse direction mortar joint are formed, is eliminated
All mortar joint cold bridges of wall.
In the building method of above-mentioned crutches transverse direction mortar joint type self heat insulation wall, built by long bench-type top bottom skin self heat insulation wall
Block and short bench-type top bottom skin self-thermal insulation wall building block realize the self-heat conserving of integral wall as building block in wall.And building block itself
As support construction, in direct contact chamber and the exterior space, the heat exchange of generation is larger, so that whole heat insulation effect is bad.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of heat preserving exterior wall construction technology, improve
The heat insulation effect of base course wall.
To achieve the above object, the present invention provides the following technical scheme that
A kind of heat preserving exterior wall construction technology, process flow are as follows:
Boundary mortar layer is smeared on base course wall surface;
Glass fibre is sprayed into cotton and Special spray coating adhesive mixes and be sprayed on the surface of boundary mortar layer, forms heat preservation
Layer one;
It is to be painted be painted with the about half an hour of insulating layer one after, using special pressing plate shaping tool carry out surface processing, pressing plate is true
When product, it is preferably depressed into design requirement thickness downwards, neat, guarantee right angle condition is arranged at yin-yang angle;One surface of insulating layer is equal again
Even spraying Special spray coating adhesive enhances surface strength;
Grid cloth is covered on insulating layer one again, grid cloth is taut flat along horizontal direction, using trowel by grid cloth pressure
Into in insulating layer one and sufficiently being flattened;
After the solidification of insulating layer one, glass fibre spraying cotton and Special spray coating adhesive are remixed and are sprayed on grid cloth
Outside, insulating layer two is formed;
In two surface of insulating layer even application Special spray coating adhesive again, enhance surface strength;
Drill out drilling into base course wall on insulating layer two, and anchor expandable nail in drilling, the head of a nail of expandable nail with
Pushing against between insulating layer two has gasket;
It is covered by smearing waterproof anti-crack mortar outside insulating layer two and mutually burying expandable nail with gasket, and is formed and prevented after smoothing out
Water anticracking grout layer one makes the outer surface of waterproof anti-crack mortar layer one keep vertical.
By using above-mentioned technical proposal, closed seamless insulation absorbent treatment, insulating layer are formed by spray coating heat preservation layer one
The defects of one surfacing, fiber are evenly distributed, no layering for influencing to use, hole, crack, reaches good to base course wall
Heat insulation effect, and adaptability, plasticity are strong, by carrying out floating appropriate to the insulating layer one of spraying, can be realized preferably
Exterior wall spend vertically;And preferable waterproof, cracking resistance effect are integrally reached by one External Wall of waterproof anti-crack mortar layer, it improves outer
The service life of wall insulation construction;It is acted on by insulating layer one and two Double insulating of insulating layer, significantly improves high insulating efficiency
And its stability;And wherein, insulating layer two to the coating function of insulating layer one and is connected to by grid cloth, improves insulating layer
One and insulating layer two structural strength and stability.
Realization preferably links together insulating layer one, insulating layer two and base course wall, and it is strong to improve whole structure
The phenomenon that degree, each layer is not likely to produce layering, falls off before;And by gasket reach uniform stress and to expandable nail it is preferably tight
Gu effect.
Expandable nail, gasket and insulating layer two are more securely linked together by waterproof anti-crack mortar layer one, due to swollen
A part of swollen nail is embedded in waterproof anti-crack mortar layer one, and waterproof anti-crack mortar layer one is allowed to pass through expandable nail for stress
It is transmitted at base course wall, is more uniformly stressed.
Further, before smearing boundary mortar layer to base course wall, the process flow further include:
Floating ash, greasy dirt, waste, hollowing and the binder on base course wall surface are cleared up;
It is smooth to base course wall progress, chisel is picked to the place of protrusion, in concave place patch ash cake;
It is wet to base course wall watering.
By using above-mentioned technical proposal, realize to the planarizing and pretreatment on the outside of base course wall, so that boundary mortar
It is preferably combined with base course wall, reaches and firmly conform to effect, reduced the probability that cracking and hollowing occurs in exterior wall, reduce
A possibility that wall crazing falls off.
Further, the gasket is the steel plate for being threaded through on expandable nail and pushing against insulating layer two.
By using above-mentioned technical proposal, since steel plate has good toughness, so that in building structure since temperature becomes
When changing the deformation generated, the surface for pushing against insulating layer two always is made it possible to by the toughness and elasticity of steel plate, so that whole
Structure obtains firm connection and abutting, and good mechanics transmitting is generated between inside.
Further, anchorage depth of the expandable nail in base course wall is not less than 5 centimetres.
By using above-mentioned technical proposal, it is ensured that expandable nail connect basis with firm before base course wall.
Further, after having smeared waterproof anti-crack mortar layer one, the process flow further include:
One layer of hot-galvanized steel silk screen is covered outside waterproof anti-crack mortar layer one;
It smears waterproof anti-crack mortar again outside hot-galvanized steel silk screen again, and forms waterproof anti-crack mortar layer two.
By using above-mentioned technical proposal, entire one surface of waterproof anti-crack mortar layer is pulled into one by hot-galvanized steel silk screen
A entirety enhances tensile strength, then is covered with waterproof anti-crack mortar layer two, enhances the anti-crack ability of whole exterior wall.
Further, before the surface spray coating heat preservation layer one of boundary mortar layer, the process flow further include: at interface
The preset circle sprayed die plate in the outer surface of screed, then spray coating heat preservation layer one from bottom to up;And after the solidification of insulating layer two, then
Sprayed die plate is removed.
By using above-mentioned technical proposal, by the limit of preset sprayed die plate, and spray coating heat preservation layer from bottom to up
One, guarantee the good spraying shape of insulating layer and distribution consistency degree, improves whole heat insulation effect.
Further, the thickness of insulating layer one is not less than 10mm, and surpasses grid cloth not by the depth for being pressed into insulating layer one
Cross 5mm.
By using above-mentioned technical proposal, make grid cloth while realizing fixed to one areal stretch of insulating layer to insulating layer
The stretching on two surfaces is fixed, and improves the distribution of shapes stability of whole structural strength and insulating layer one and insulating layer two, just
Absorption and fixation between insulating layer one and insulating layer two is even closer.
Further, pushing against between the head of a nail of expandable nail and insulating layer two has sealing film.
By using above-mentioned technical proposal, the leakproofness of the drilling at expandable nail place is improved, the infiltration of moisture has been completely cut off,
And expandable nail is improved to the degree of packing of the abutting between insulating layer two, improve whole structural strength.
Compared with prior art, the invention has the advantages that
(1) it is acted on by insulating layer one and two Double insulating of insulating layer, significantly improves high insulating efficiency and its stability;
(2) the phenomenon that whole structural strength is high, is not likely to produce layering before each layer, falls off;
(3) the vertical degree of exterior wall is higher, and has preferable waterproof, cracking resistance effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram inside the heat preserving exterior wall of the present embodiment;
Fig. 2 is the structural schematic diagram outside the insulating layer two of the present embodiment.
Appended drawing reference: 1, base course wall;2, boundary mortar layer;3, insulating layer one;5, grid cloth;6, insulating layer two;7, it bores
Hole;8, expandable nail;9, gasket;10, sealing film;11, waterproof anti-crack mortar layer one;12, hot-galvanized steel silk screen;13, waterproof is anti-
Split screed two.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
As shown in Figure 1, a kind of heat preserving exterior wall construction technology, firm for insulation construction first have to maintain strict control over brick weight
It closes, prevents the brick setting using different size, unlike material in same floor.Mortar strength is controlled, workability is generally used
Preferably mixed platform mortar replaces cement mortar.Using " the 31 masonry method " construction of " a shovel ash, one piece of brick, one, which squeeze, to rub ", guarantee
80% or more full degree of mortar at bed joint.
The process flow of the heat preserving exterior wall construction technology is as follows:
Step S1, the store keeping before construction: required main material when constructing to interfacial agents and waterproof anti-crack mortar etc.
Store keeping is carried out, work certificate, Delivery Inspection Report and the type inspection report in validity period should be provided.
Step S2, the sample analysis before construction: template is first made, each lift height, i.e. boundary mortar layer should be shown in template
2, the thickness of insulating layer 1, insulating layer 26, waterproof anti-crack mortar layer 1 and waterproof anti-crack mortar layer 2 13, it is confirmed laggard
Row is constructed in next step.
Step S3, the environmental testing before construction: base course wall 1 and environment temperature are not lower than 5 degrees Celsius, and humidity should not be big
It must not construct in 80%, 5 grade or more strong wind day and rainy day.
Step S4, base course wall 1 is handled:
1) corner protector and painting are carried out to window auxiliary case, window frame installation and window side with cement mortar, to prevent window side from leaking;
2) exterior wall shear wall screw hole is blocked with infusion is dismissed, and prevents flowing water after outer wall cracking from flowing to interior;
3) mention and watering flushing a few days ago carried out to metope, by the floating ash on 1 surface of base course wall, greasy dirt, waste, hollowing with
And binder is cleared up;
4) base course wall 1 is carried out it is smooth, to protrusion place pick chisel, 1 surface bulge object of base course wall is greater than or equal to
It should be rejected when 10mm, in concave place patch ash cake, feather plucking is answered on smooth 1 surface of base course wall;
5) it sprinkles water to base course wall 1 wet;
Step S5, boundary mortar layer 2 make: using batch apply with smear with batch or hoof flower roller rolling or tooth ash knife brush method will
Interfacial agents are uniformly applied to metope, so that base course wall be made to complete hair side processing, enhance the bonding force of base course wall, median surface
Mortar presses cement: middle sand: interfacial agents are 1:1:1 weight ratio proportion, with machine mixer uniform stirring pulp.
Step S6, spray coating heat preservation layer 1:
1) sprayed die plate, and the spray coating heat preservation layer 1 in sprayed die plate are enclosed in boundary mortar outer surface preset one;
2) it is deployed with Special spray coating adhesive according to the mass ratio of 10:1 using clean water, and utilizes blender
It is sufficiently stirred, to guarantee that Special spray coating adhesive is mixed with water substantially uniformity;
3) debugging fibre spray machine illustrates to adjust in strict accordance with equipment operation tests spraying host wind pressure, glue pump pressure and feed dress
It sets, by template examination spray, glue solution flow and the measurement of cotton amount out, wind pressure range and feed paddle speed is gradually adjusted, until glass
The spraying of glass fiber coating cotton is in stable condition, guarantees that adhesive keeps spray pattern, Spray gun nozzle sprays continuous-stable;Spray angle is true
Special spray coating adhesive and glass fibre spraying cotton meet guarantor at 20-30 cm distance before spray gun, spraying host wind pressure control
In 20-30KPa, to keep stable, the pressure control of adhesive for spraying pump in 1-2KPa, spray cotton amount for 0.8kg/min ~
1.25kg/min;
4) thickness setting scale is placed by the subregion of measurement, is arranged one with every 5m2 area, as coating thickness reference, scale
Height is higher than the 20% of design coating thickness;
5) Tiao Zheng Ding wind pressure of work, charging gear guarantee that fiber feed is uniform, and mixing speed is 25 30r/min;It adjusts
Handy water and glue amount ratio are saved, stirs uniformly, with with mixing, is sprayed on boundary mortar layer 2 together, forms insulating layer 1, is protected
Warm layer 1 with a thickness of 20mm.Spray gun away from boundary mortar layer 2 apart from for 400mm-600mm, guarantee continuous uniform and again from lower and
Shangdi is sprayed on boundary mortar layer 2, and 60-75 ° of spray angle must not be show-through, must not direct-injection, be sprayed into scale thickness and at the uniform velocity move again
Dynamic spray gun, guarantees minimum spraying springback capacity.
6) it is to be painted be painted with the about half an hour of insulating layer 1 after, using special pressing plate shaping tool carry out surface processing, by pressing plate
When genuine piece, it is preferably depressed into design requirement thickness downwards, neat, guarantee right angle condition is arranged at yin-yang angle;
7) one 3 surface of insulating layer even application Special spray coating adhesive again enhances surface strength.
Step S7, grid cloth 5 is covered on insulating layer 1, grid cloth 5 is taut flat along horizontal direction, it will using trowel
Grid cloth 5 is pressed into insulating layer 1 and is sufficiently flattened, and makes grid cloth 5 by the depth 3mm for being pressed into insulating layer 1, passes through
One 3 areal stretch of insulating layer is fixed in the realization of grid cloth 5.
Step S8, identical by the generation technique of insulating layer 1 and glass fibre is sprayed into cotton after the solidification of insulating layer 1
It remixes and is sprayed on outside grid cloth 5 with Special spray coating adhesive, form the insulating layer 26 of 15mm.
Step S9,26 surface of insulating layer even application Special spray coating adhesive again enhances surface strength.And it is keeping the temperature
After 26 solidification of layer, then sprayed die plate removed.
Step S10, drilling 7 as depicted in figs. 1 and 2, is drilled out into base course wall 1 on insulating layer 26, and in drilling 7
Interior anchoring expandable nail 8, anchorage depth of the expandable nail 8 in base course wall 1 are 6 centimetres, the head of a nail and insulating layer 26 of expandable nail 8
Between push against and have the gasket 9 of steel plate material, and pushed against between the head of a nail of expandable nail 8 and insulating layer 26 and have sealing film 10, increased
Add the tightness of drilling 7.
Step S11, waterproof anti-crack mortar is smeared again outside insulating layer 26, expandable nail 8 is mutually buried with gasket 9 and is covered and through smearing
Waterproof anti-crack mortar layer 1 is formed after flat, the degree of floating is subject to the outer surface of waterproof anticracking grout layer 1 and keeps vertical;
And insulating layer 1 and insulating layer 26 are coated on inside by waterproof anti-crack mortar layer 1, one 11 surrounding of waterproof anti-crack mortar layer
Edge is directly solidified, is adhered on boundary mortar layer 2, is completed the sealing to insulating layer 1 and insulating layer 26 and is further consolidated
It is fixed, improve whole structural strength.
Step S12, one layer of hot-galvanized steel silk screen 12 is covered outside waterproof anti-crack mortar layer 1, using trowel by hot galvanizing
Steel wire 12 is pressed into waterproof anti-crack mortar layer 1 and is sufficiently flattened, and passes through the realization pair of waterproof anti-crack mortar layer 1
One 3 areal stretch of insulating layer is fixed.
Step S13, it smears one layer of waterproof anti-crack mortar again outside hot-galvanized steel silk screen 12 again, and forms waterproof anti-crack mortar
Layer 2 13.
Step S14, decorative paint finally is brushed in the outer surface of waterproof anti-crack mortar layer 2 13 or attach ceramic tile with mortar,
Complete the decoration of External Wall.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.In addition, with regard to term " includes " for the degree in specific embodiment or claims
For, this term wishes the side explained to be similar to term "comprising" when "comprising" is used in claim as transitional word
Formula and be inclusive.In addition, although the structure of described aspect and/or embodiment may be description in the singular or main
, but it is limited to singular unless explicitly claimed, otherwise it is also covered by plural form.In addition, unless otherwise stated, otherwise any side
All or part of of face and/or embodiment can be sharp together with all or part of of any other aspect and/or embodiment
With.