CN111206694A - External wall heat insulation structure and construction process thereof - Google Patents

External wall heat insulation structure and construction process thereof Download PDF

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Publication number
CN111206694A
CN111206694A CN202010060390.7A CN202010060390A CN111206694A CN 111206694 A CN111206694 A CN 111206694A CN 202010060390 A CN202010060390 A CN 202010060390A CN 111206694 A CN111206694 A CN 111206694A
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CN
China
Prior art keywords
layer
wall body
wall
base
insulation structure
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Pending
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CN202010060390.7A
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Chinese (zh)
Inventor
方川
吴全木
王小龙
赵星宇
许超
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Chongqing Yuneng Construction And Installation Engineering Co Ltd
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Chongqing Yuneng Construction And Installation Engineering Co Ltd
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Application filed by Chongqing Yuneng Construction And Installation Engineering Co Ltd filed Critical Chongqing Yuneng Construction And Installation Engineering Co Ltd
Priority to CN202010060390.7A priority Critical patent/CN111206694A/en
Publication of CN111206694A publication Critical patent/CN111206694A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762Exterior insulation of exterior walls
    • E04B1/7625Details of the adhesive connection of the insulation to the wall
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped

Abstract

The invention relates to an external wall heat-insulating structure and a construction process thereof, belonging to the technical field of building construction.

Description

External wall heat insulation structure and construction process thereof
Technical Field
The invention relates to the technical field of building construction, in particular to an external wall heat-insulating structure and a construction process thereof.
Background
With the rapid development of the building industry in China, how to realize external thermal insulation of high-rise and super-high-rise outer walls becomes an important issue for energy conservation of current industrial and civil buildings. However, the external thermal insulation engineering of the external wall is complex in technology, high in construction difficulty and difficult to control in quality, and the thermal insulation board is easy to crack, peel, fall off and the like in practical application.
The existing external wall insulation structure is generally formed by bonding a plurality of insulation boards outside a base wall body, wherein the insulation boards are constructed by methods such as point bonding or frame bonding, and then a plurality of anchor bolts are arranged on the insulation boards and penetrate through the insulation boards and are nailed into the base wall body, so that the insulation boards are fixed on the base wall body, and the construction process of the external wall insulation structure is completed.
The above prior art solutions have the following drawbacks: heated board and basic unit's wall body bond, adopt the crab-bolt to fix the heated board on basic unit's wall body again, can form local cavity between messenger's heated board and the basic unit's wall body like this, and temperature variation, self gravity and rainfall effect etc. all can cause heated board equipartition hollowing fracture to the phenomenon of droing of large tracts of land appears.
Disclosure of Invention
The invention aims to provide an external wall heat-insulating structure and a construction process thereof, which have the effect of improving the connection strength of a heat-insulating plate and a base wall, so that the possibility of cracking and falling of the heat-insulating plate is reduced.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an outer wall insulation structure, includes the basic unit wall body and bonds a plurality of heated board on the basic unit wall body, the outside of basic unit wall body is provided with a plurality of horizontally sand grip along vertical direction, and a plurality of horizontally recess has been seted up to one side that the heated board is close to the basic unit wall body, the sand grip be located the recess and with the inner wall butt of recess.
By adopting the technical scheme, the plurality of raised lines are arranged on the base wall body, the grooves matched with the raised lines are formed on the heat insulation plate, and the raised lines are inserted into the grooves, so that the contact area between the heat insulation plate and the base wall body is increased, the connection strength between the heat insulation plate and the base wall body is improved, the heat insulation plate is prevented from generating larger bending deformation under the influence of temperature change and rainfall action, the possibility of generating a local cavity between the heat insulation plate and the base wall body is reduced, in addition, the raised lines are horizontally arranged, so that the heat-insulating plate can be hung on the raised lines, the self-gravity of the heat-insulating plate can be transferred to the raised lines, the condition that the heat-insulating plate is subjected to hollowing and cracking due to the self-gravity is reduced, thereby greatly improving the connection strength between the heat-insulating board and the base wall and reducing the possibility of cracking and falling of the heat-insulating board.
The present invention in a preferred example may be further configured to: one side that basic unit's wall body was kept away from to the heated board is provided with compresses tightly the strip, compresses tightly the strip and is the X shape, and four ends that compress tightly the strip press respectively on four angles of heated board, compress tightly and wear to be equipped with a plurality of crab-bolt on the strip, the crab-bolt passes the heated board and is nailed into in the basic unit's wall body.
Through adopting above-mentioned technical scheme, set up on the heated board and compress tightly the strip to make the crab-bolt pass and compress tightly strip and heated board and nail into in the basic unit wall body, thereby fix the heated board on the basic unit wall body, further improved the joint strength between heated board and the basic unit wall body. The contact area with the heated board has been increased to the strip that compresses tightly that sets up, reduces the local stress that the heated board received to make the heated board atress more even, further prevent to appear local cavity between heated board and the wall body, reduced the possibility that fracture, obscission appear in the heated board.
The present invention in a preferred example may be further configured to: the raised strips are bonded with the inner walls of the grooves.
Through adopting above-mentioned technical scheme, the sand grip bonds with the inner wall of recess, prevents that the sand grip from the roll-off in the recess and make the heated board break away from the basic unit wall body, has improved the wholeness of being connected between heated board and the basic unit wall body to the phenomenon that fracture, drop appear in the reduction heated board.
The present invention in a preferred example may be further configured to: one side of the compressing strip, which is far away from the base wall, is covered with a layer of gridding cloth, and the anchor bolt penetrates through the gridding cloth.
Through adopting above-mentioned technical scheme, set up the net cloth on compressing tightly the strip, can play further fixed action to the heated board, avoid the heated board to produce great deformation to improve the stability of heated board, reduced the heated board the possibility that fracture, obscission appear.
The present invention in a preferred example may be further configured to: and an anti-cracking mortar layer is arranged on one side of the gridding cloth, which is far away from the base wall.
Through adopting above-mentioned technical scheme, set up anti mortar layer that splits, make anti mortar layer and the difficult layering that appears of heat preservation, play the guard action to the heated board, improved the connection wholeness between heat preservation, basic unit's wall body and the anti mortar layer of splitting to the phenomenon that fracture and drop appear in the heated board is further avoided.
The present invention in a preferred example may be further configured to: and a waterproof layer is arranged on one side of the anti-cracking mortar layer, which is far away from the base wall, and a coating layer is coated on one side of the waterproof layer, which is far away from the base wall.
Through adopting above-mentioned technical scheme, through setting up the waterproof layer, play the isolation to the rainwater that falls on the outer wall, avoid the heated board great deformation to appear under the rainwater effect to and appear local cavity between the basic unit wall body, play further guard action to the heated board, reduced the possibility that fracture, obscission appear in the heated board.
The present invention in a preferred example may be further configured to: and interface mortar layers are arranged on one side of the base layer wall body close to the heat insulation plate and the raised lines.
Through adopting above-mentioned technical scheme, all set up the interface mortar layer on one side and the sand grip that the heated board is close to the wall body of basic unit, make the surface of the sand grip of wall body level more, make the heated board fix on the wall body of basic unit better, avoid basic unit wall body surface unevenness and make the heated board drop to improve the stability of heated board, reduced the possibility that fracture, obscission appear in the heated board once more.
The present invention in a preferred example may be further configured to: the gridding cloth is alkali-resistant glass fiber gridding cloth.
Through adopting above-mentioned technical scheme, alkali-resistant glass fiber net check cloth structure is firm, the wire side is level and smooth and corrosion-resistant, adopts alkali-resistant glass fiber net check cloth, can improve the anti deformability of heated board to the structural stability of heated board has been strengthened.
The present invention in a preferred example may be further configured to: a construction process of an external wall heat insulation structure comprises the following steps:
s1 pouring of the base wall: binding a reinforcement cage above the floor slab, supporting templates at two sides of the reinforcement cage, arranging a plurality of horizontal convex grooves which protrude outdoors on the templates close to the outdoors along the vertical direction, and pouring concrete in the space enclosed by the templates to form a base wall and convex strips on the base wall;
s2 mortar layer construction: spraying mortar on the outer wall of the base wall and the raised lines to form an interface mortar layer;
s3 construction of heat insulation boards: forming a plurality of horizontal grooves on the heat insulation plate, spraying polyurethane adhesive on the side surface of the heat insulation plate with the grooves, spraying the polyurethane adhesive in the grooves, pressing the heat insulation plate on the interface mortar layer, and inserting the raised lines into the grooves;
s4, fixing the pressing strip and the mesh cloth: coating an adhesive on the compression strip, adhering the compression strip on the insulation board, respectively pressing four ends of the compression strip on four corners of the insulation board, then covering a layer of alkali-resistant glass fiber gridding cloth on the compression strip, and then penetrating the gridding cloth, the compression strip and the insulation board by using anchor bolts and nailing the gridding cloth, the compression strip and the insulation board into a base wall;
s5 construction of the anti-crack mortar layer: mixing the anti-crack mortar and the polyurethane adhesive and spraying the mixture on the grid cloth to form an anti-crack mortar layer;
s6 construction of waterproof layer and coating layer: and mixing the waterproof mortar and the polyurethane adhesive, spraying the mixture on the anti-crack mortar layer to form a waterproof layer, and coating a layer of coating on the waterproof layer to form a coating layer.
By adopting the technical scheme, the base layer wall body and the raised lines are integrally formed by pouring concrete, so that the raised lines are prevented from being fixed on the base layer wall body, and the connection between the raised lines and the base layer wall body is more stable; mortar is sprayed on the outer wall of the base wall and the raised lines, so that the forming of the interface mortar layer is more convenient, and the connection integrity of the base wall and the interface mortar layer is improved; firstly, the pressing strip is bonded on the heat-insulation board, then a layer of gridding cloth is covered on the pressing strip, and then an anchor bolt penetrates through the gridding cloth, the pressing strip and the heat-insulation board and is nailed into the base layer wall body, so that the pressing strip is prevented from falling off the heat-insulation board when the gridding cloth is covered, and the fixing process of the pressing strip and the gridding cloth is more convenient; the anti-crack mortar and the polyurethane adhesive are mixed and sprayed on the grid cloth to form an anti-crack mortar layer, so that the connection integrity of the external wall insulation structure is improved, and cracking or separation of the layers is avoided; the waterproof mortar and the polyurethane adhesive are mixed and sprayed on the anti-crack adhesive layer to form a waterproof layer, so that the connection integrity of the external wall insulation structure is further enhanced, the insulation board is prevented from falling off from the base wall, and the insulation effect of the external wall insulation structure is ensured.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the raised lines are arranged on the base wall body, and the grooves matched with the raised lines are formed in the heat insulation plate, so that the contact area between the heat insulation plate and the base wall body is increased, the heat insulation plate is prevented from being subjected to large bending deformation, the condition that the heat insulation plate is subjected to hollowing and cracking under the action of self gravity is reduced, the connection strength between the heat insulation plate and the base wall body is improved, and the possibility that the heat insulation plate is cracked and falls off is reduced;
2. the heat insulation plate is provided with the pressing strips, so that the contact area of the heat insulation plate and the heat insulation plate is increased, and the local stress on the heat insulation plate is reduced, so that the stress of the heat insulation plate is more uniform, a local cavity is prevented from being formed between the heat insulation plate and a wall body, and the possibility of cracking and falling of the heat insulation plate is reduced;
3. the sand grip is bonded with the inner wall of the groove, so that the sand grip is prevented from sliding out of the groove to enable the insulation board to be separated from the base wall, the integrity of connection between the insulation board and the base wall is improved, and the phenomena of cracking and falling of the insulation board are reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view for illustrating the groove.
In the figure, 1, a base layer wall body; 11. a convex strip; 2. an interface mortar layer; 3. a thermal insulation board; 31. a groove; 4. compressing the strips; 5. mesh cloth; 51. an anchor bolt; 6. an anti-crack cement layer; 7. a waterproof layer; 8. and (5) coating the layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the external wall insulation structure sequentially comprises a base wall 1, an interface mortar layer 2, an insulation board 3, a grid cloth 5, an anti-cracking mortar layer 6, a waterproof layer 7 and a coating layer 8 from inside to outside.
Referring to fig. 1, the fixed a plurality of sand grip 11 that is provided with in vertical direction is followed in the outside of basic unit wall body 1, the length direction of sand grip 11 is the horizontal direction, basic unit wall body 1 forms for concrete monolithic pouring with sand grip 11, all spray the mortar layer on basic unit wall body 1 and the sand grip 11, heated board 3 is provided with a plurality of, a plurality of horizontally recess 31 has been seted up to heated board 3 one side that is close to basic unit wall body 1, sand grip 11 is located recess 31 and uses with recess 31 cooperation, interface mortar layer 2 on basic unit wall body 1 and the sand grip 11 all bonds with heated board 3.
Bond after 11 and the recess 31 joint of sand grip between heated board 3 and the basic unit wall body 1, improved the joint strength between heated board 3 and the basic unit wall body 1, when heated board 3 is because of external environment or self gravity influence during the atress, sand grip 11 plays certain limiting displacement to heated board 3, prevent that heated board 3 from producing great deformation, thereby avoid appearing local cavity between heated board 3 and the basic unit wall body 1, reduced heated board 3 and appeared the fracture, the possibility that drops.
Referring to fig. 2, heated board 3 is kept away from one side of basic unit's wall body 1 and is bonded and is pressed strip 4, it is X shape to press strip 4, four ends that press strip 4 press respectively on four angles of heated board 3 to bond with heated board 3, it has one deck net cloth 5 to press strip 4 to coat, net cloth 5 is alkali-resisting glass fiber net cloth 5, be provided with a plurality of crab-bolt 51 on the net cloth 5, crab-bolt 51 passes net cloth 5, press strip 4 and heated board 3 and nail into in basic unit's wall body 1.
The pressing strip 4 is pressed on the heat preservation plate 3, and plays a further role in fixing the pressing strip 4; the mesh cloth 5 is arranged on the pressing strip 4, so that the stability of the heat-insulation board 3 can be improved, and the heat-insulation board 3 is prevented from generating large deformation; anchor bolt 51 passes net cloth 5, compresses tightly strip 4 and heated board 3 and nail into in basic unit's wall body 1 to fix net cloth 5, compress tightly strip 4 and heated board 3 and basic unit's wall body 1, improved outer wall insulation structure's connection wholeness, reduce the phenomenon that fracture, drop appear in heated board 3.
Referring to fig. 1, an anti-crack mortar layer 6 is arranged on one side of the grid cloth 5 far away from the base wall 1, and the anti-crack mortar layer 6 is formed by mixing anti-crack mortar and a polyurethane adhesive, spraying the mixture on the grid cloth 5 and then solidifying the mixture. And a waterproof layer 7 is arranged on one side of the anti-crack mortar layer 6, which is far away from the base layer wall body 1, and the waterproof layer 7 is formed by mixing waterproof mortar and a polyurethane adhesive, spraying the mixture on the anti-crack mortar layer 6 and then solidifying the mixture. And a paint layer 8 is coated on one side of the waterproof layer 7, which is far away from the base layer wall body 1.
The anti-cracking mortar layer 6 is arranged on the grid cloth 5, so that the anti-cracking mortar layer 6 and the heat insulation layer are not easy to be layered, the heat insulation plate 3 is protected, and the anti-cracking performance of the heat insulation plate 3 is enhanced; set up waterproof layer 7 on anti mortar layer 6, further improved outer wall insulation structure's connection wholeness, played further guard action to heated board 3, prevented that heated board 3 from taking place the bending under the rainwater effect, further reduced heated board 3 the possibility that fracture, drop appear.
The implementation principle of the embodiment is as follows: bond after 11 and recess 31 joints through sand grip 11 between heated board 3 and the basic unit's wall body 1, then will compress tightly strip 4 and compress tightly on heated board 3, and set up net cloth 5 on compressing tightly strip 4, crab-bolt 51 passes net cloth 5 again, compress tightly strip 4 and heated board 3 and nail into in the basic unit's wall body 1, then set up anti grout layer 6 that splits on net cloth 5, set up waterproof layer 7 on anti grout layer 6 that splits, thereby the joint strength between heated board 3 and the basic unit's wall body 1 has been improved, and the connection wholeness of outer wall insulation structure has been improved, prevent that layering or breaking away from appearing between each layer, thereby avoid appearing local cavity between heated board 3 and the basic unit's wall body 1, the fracture has been reduced to appear in heated board 3, the possibility that drops.
Example 2
A construction process of an external wall heat insulation structure comprises the following steps:
s1 pouring of the base wall 1:
referring to fig. 1, a reinforcement cage is bound above a floor slab, templates are supported on two sides of the reinforcement cage, a plurality of horizontal convex grooves protruding outdoors are arranged on the templates close to the outdoors along the vertical direction, concrete is poured in a space enclosed by the templates, the templates are removed after the concrete is initially set, and the concrete is maintained until the concrete is finally set to form a protruding strip 11 on a base layer wall body 1 and a protruding strip 11 on the base layer wall body 1. Through concreting, make basic unit's wall body 1 and sand grip 11 realize integrated into one piece, avoid fixing sand grip 11 on basic unit's wall body 1, make being connected between sand grip 11 and the basic unit's wall body 1 more firm, prevent sand grip 11 and 1 separation of basic unit's wall body.
S2 mortar layer construction:
referring to fig. 1, mortar is sprayed on the outer wall of the base wall body 1 and the raised lines 11, and an interface mortar layer 2 is formed after the mortar is solidified, so that the surface of the raised lines 11 of the wall body is smoother, and the connection integrity of the base wall body 1 and the interface mortar layer 2 is improved.
S3 construction of the heat insulation board 3:
referring to fig. 2, set up a plurality of horizontally recess 31 on insulation board 3, spout the polyurethane cement on insulation board 3 sets up the side of recess 31, and spout the polyurethane cement in recess 31, then press insulation board 3 on interface mortar layer 2, and make sand grip 11 insert in the recess 31, thereby bond insulation board 3 on interface mortar layer 2, and make sand grip 11 card in recess 31, realize insulation board 3 and basic unit's wall body 1 preliminary fixed.
S4 securing the compression strip 4 to the scrim 5:
referring to fig. 1, scribble the adhesive on compressing tightly strip 4, will compress tightly strip 4 and glue on heated board 3 to make four ends that compress tightly strip 4 press respectively on four angles of heated board 3, then cover one deck alkali-resistant glass fiber net cloth 5 on compressing tightly strip 4, reuse crab-bolt 51 passes net cloth 5, compresses tightly strip 4 and heated board 3 and nail into in basic unit's wall body 1, thereby further fixes heated board 3 on basic unit's wall body 1. Bond earlier and compress tightly strip 4 and set up net cloth 5 on heated board 3 again, thereby avoid compressing tightly strip 4 and drop on heated board 3, make the fixed process who compresses tightly strip 4 and net cloth 5 more convenient.
S5 construction of the anti-crack mortar layer 6:
referring to fig. 1, the anti-crack mortar is mixed with the polyurethane binder and sprayed on the mesh cloth 5, and after the mixture is solidified, an anti-crack mortar layer 6 is formed. The anti-crack mortar and the polyurethane adhesive are mixed and sprayed on the grid cloth 5 to form the anti-crack mortar layer 6, so that the connection integrity of the external wall insulation structure is improved, and cracking or separation among layers is avoided.
S6 construction of the waterproof layer 7 and the paint layer 8:
referring to fig. 1, waterproof mortar and polyurethane binder are mixed and sprayed on an anti-crack mortar layer 6, and a waterproof layer 7 is formed after the mixture is brought up and solidified, and then a layer of paint is coated on the waterproof layer 7 to form a paint layer 8. Waterproof mortar and polyurethane adhesive are mixed and sprayed on the anti-crack adhesive layer 6 to form a waterproof layer 7, so that the connection integrity of the external wall insulation structure is further enhanced, the insulation board 3 is prevented from falling off from the base wall 1, and the insulation effect of the external wall insulation structure is ensured.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides an outer wall insulation structure, includes basic unit's wall body (1) and bonds a plurality of heated board (3) on basic unit's wall body (1), its characterized in that, the outside of basic unit's wall body (1) is provided with a plurality of horizontally sand grip (11) along vertical direction, and a plurality of horizontally recess (31) have been seted up to one side that heated board (3) are close to basic unit's wall body (1), sand grip (11) be located recess (31) and with the inner wall butt of recess (31).
2. The external wall insulation structure according to claim 1, wherein a compression strip (4) is arranged on one side of the insulation board (3) far away from the base layer wall body (1), the compression strip (4) is X-shaped, four ends of the compression strip (4) are respectively pressed on four corners of the insulation board (3), a plurality of anchor bolts (51) penetrate through the compression strip (4), and the anchor bolts (51) penetrate through the insulation board (3) and are nailed into the base layer wall body (1).
3. The exterior wall insulation structure according to claim 1, wherein the protruding strips (11) are bonded to the inner wall of the groove (31).
4. The exterior wall insulation structure according to claim 2, wherein one side of the compression bar (4) far away from the base layer wall body (1) is covered with a layer of mesh cloth (5), and the anchor bolt (51) penetrates through the mesh cloth (5).
5. The exterior wall insulation structure according to claim 4, wherein an anti-crack mortar layer (6) is arranged on one side of the gridding cloth (5) far away from the base layer wall body (1).
6. The exterior wall insulation structure according to claim 5, wherein a waterproof layer (7) is arranged on one side of the anti-cracking mortar layer (6) far away from the base wall (1), and a paint layer (8) is coated on one side of the waterproof layer (7) far away from the base wall (1).
7. The exterior wall insulation structure according to claim 1, wherein the interface mortar layer (2) is arranged on one side of the base layer wall body (1) close to the insulation board (3) and on the raised lines (11).
8. The exterior wall insulation structure according to claim 4, wherein the mesh cloth (5) is an alkali-resistant glass fiber mesh cloth (5).
9. The construction process of the external wall insulation structure according to any one of claims 1 to 8, characterized by comprising the steps of:
s1 pouring the base wall (1): binding a reinforcement cage above a floor slab, supporting templates at two sides of the reinforcement cage, arranging a plurality of horizontal convex grooves which protrude outdoors on the templates close to the outdoors along the vertical direction, and pouring concrete in the space enclosed by the templates to form a base wall body (1) and convex strips (11) on the base wall body (1);
s2 mortar layer construction: spraying mortar on the outer wall of the base layer wall body (1) and the raised lines (11) to form an interface mortar layer (2);
s3 construction of the heat insulation board (3): a plurality of horizontal grooves (31) are formed in the heat insulation plate (3), polyurethane adhesive is sprayed on the side face of the heat insulation plate (3) where the grooves (31) are formed, the polyurethane adhesive is sprayed in the grooves (31), then the heat insulation plate (3) is pressed on the interface mortar layer (2), and the convex strips (11) are inserted into the grooves (31);
s4, fixing the pressing strip (4) and the mesh cloth (5): coating an adhesive on the compression strip (4), adhering the compression strip (4) to the heat-insulating plate (3), pressing four ends of the compression strip (4) on four corners of the heat-insulating plate (3) respectively, then covering a layer of alkali-resistant glass fiber mesh cloth (5) on the compression strip (4), and then penetrating an anchor bolt (51) through the mesh cloth (5), the compression strip (4) and the heat-insulating plate (3) and nailing the anchor bolt into the base wall (1);
s5 construction of the anti-crack mortar layer (6): mixing the anti-crack mortar and the polyurethane adhesive and spraying the mixture on the grid cloth (5) to form an anti-crack mortar layer (6);
s6 construction of a waterproof layer (7) and a paint layer (8): and mixing the waterproof mortar and the polyurethane adhesive, spraying the mixture on the anti-crack mortar layer (6) to form a waterproof layer (7), and coating a layer of paint on the waterproof layer (7) to form a paint layer (8).
CN202010060390.7A 2020-01-19 2020-01-19 External wall heat insulation structure and construction process thereof Pending CN111206694A (en)

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Cited By (2)

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CN112900844A (en) * 2021-03-26 2021-06-04 山东国创节能科技股份有限公司 External wall heat insulation template and production method thereof
CN112900698A (en) * 2021-03-26 2021-06-04 山东国创节能科技股份有限公司 Wall structure

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