CN109838001B - Building heat-insulation outer wall structure and construction method thereof - Google Patents
Building heat-insulation outer wall structure and construction method thereof Download PDFInfo
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- CN109838001B CN109838001B CN201910026001.6A CN201910026001A CN109838001B CN 109838001 B CN109838001 B CN 109838001B CN 201910026001 A CN201910026001 A CN 201910026001A CN 109838001 B CN109838001 B CN 109838001B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The invention relates to a building heat-insulation outer wall structure and a construction method thereof, belonging to the technical field of heat-insulation outer walls, the key point of the technical scheme is that the building heat-insulation outer wall structure comprises a wall body, a reinforcement cage is embedded in the wall body, the steel reinforcement cage is welded with a fixing bolt horizontally facing outdoors, a first heat preservation layer, a reinforcing layer and a second heat preservation layer which are matched with the fixing bolt in an inserting way are sequentially arranged on one outdoor side of the wall body from inside to outside, the first heat preservation layer is made of XPS extruded polystyrene board materials, the second heat preservation layer is made of rock wool materials, and the second heat preservation layer is hollow, the end part of the fixing bolt far away from the wall body is provided with a filler hole, the filler hole is communicated with the inside of the second heat preservation layer, and the circumferential surface of one end of the fixing bolt far away from the wall body is provided with an air vent communicated with the filler hole, so that the effect of improving the heat preservation capability of the outer wall and simultaneously ensuring the surface flatness is achieved.
Description
Technical Field
The invention relates to the technical field of heat-insulating outer walls, in particular to a building heat-insulating outer wall structure and a construction method thereof.
Background
At present, as the requirements for energy conservation and environmental protection are continuously improved, building energy conservation becomes an important link for improving the energy utilization efficiency of the whole society, and building materials and building heat-insulating structures are the most basic leaps forward for realizing building energy conservation. The heat preservation measures of the building envelope are increasingly strengthened, wherein the development of the heat preservation of the outer wall is the fastest, and the heat preservation effect is better and better.
The existing heat preservation treatment for the external wall body adopts heat preservation plates made of various materials to be mutually bonded to achieve the heat preservation effect, for example, the Chinese patent with the publication number of CN205653906U discloses an internal and external combined composite heat preservation structure for the external wall of a building, which comprises a heat preservation structure formed by adhering heat preservation plates on the inner side of a base layer body of the external wall of the building and an external heat preservation structure formed by compounding heat preservation slurry on the outer side of the base layer body of the external wall of the building.
The above prior art has the following disadvantages: the surface flatness of the heat-insulating slurry is not high after solidification, a lever ruler is used for rubbing the heat-insulating slurry to achieve the flatness requirement after construction is finished, otherwise the wall surface is poor in attractiveness due to poor flatness.
Disclosure of Invention
The invention aims to provide a building heat-insulation outer wall structure which can improve the heat-insulation capacity of an outer wall and ensure the surface flatness.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a building heat preservation outer wall structure, including the wall body, the embedded steel reinforcement cage that is equipped with of wall body, the welding has the level to outdoor fixing bolt on the steel reinforcement cage, the wall body has set gradually from inside to outside in outdoor one side and has inserted with fixing bolt and establish the first heat preservation of complex, enhancement layer and second heat preservation, first heat preservation is the first heat preservation of XPS extruded polystyrene board material, the second heat preservation is the second heat preservation of rock wool material, and the inside cavity of second heat preservation, the end that fixing bolt kept away from the wall body has seted up the filler hole, filler hole and the inside intercommunication of second heat preservation, fixing bolt offers the air vent with the filler hole intercommunication on keeping away from the circumferential surface of wall body one end.
Through the technical scheme, the first heat preservation layer and the second heat preservation layer which are sequentially arranged from inside to outside on the outer wall back to the indoor side can improve the heat preservation capability of the outer wall, the XPS extruded polystyrene board material has excellent and lasting heat insulation, water resistance, moisture resistance, corrosion resistance and durability, and the rock wool has excellent fireproof heat preservation characteristic, so the first heat preservation layer of the XPS extruded polystyrene board material and the second heat preservation layer of the rock wool material can greatly improve the heat preservation capability of the outer wall, the first heat preservation layer and the second heat preservation layer can be more stably fixed on the outer wall by the fixing bolt to prevent falling off, during construction, the first heat preservation layer and the second heat preservation layer are inserted on the fixing bolt, and then heat preservation slurry (such as rubber powder polyphenyl particle heat preservation slurry) is filled into the second heat preservation layer from the filling holes, so the heat preservation slurry can achieve the heat preservation characteristic of the outer wall, on the other hand can ensure again that can not even the surface smoothness is relatively poor also can directly not expose outside after the heat preservation thick liquids solidification, improved the holistic aesthetic property of outer wall, when filling heat preservation thick liquids, the inside air of second heat preservation can be followed the air vent and discharged for the process of packing is comparatively smooth and easy, avoids appearing because the inside high atmospheric pressure of second heat preservation leads to the problem such as the filler resistance is too big, the filler is incomplete. And also can bond second heat preservation and fixing bolt together after the heat preservation thick liquids solidification to further improved the butt cooperation stability between second heat preservation and first heat preservation, the reinforcing plate, makeed first heat preservation, second heat preservation and reinforcing plate can not become flexible easily, thereby indirectly improved the heat preservation ability of outer wall. After the heat-insulating slurry is filled into the second heat-insulating layer, the building glue (such as polyacrylate resin glue) can be continuously introduced into the second heat-insulating layer from the vent hole, so that the fixing bolt and the second heat-insulating layer are stronger in adhesion and higher in stability.
The invention is further configured to: the second heat-insulating layer is provided with mounting holes matched with the fixing bolts, counter bores are formed in one sides, facing the wall, of the mounting holes, sealing sleeves matched with the mounting holes are sleeved on one sides, close to the wall, of the fixing bolts, of the second heat-insulating layer, and the sealing sleeves are made of rubber materials.
Through above-mentioned technical scheme, establish first heat preservation and enhancement layer after on fixing bolt, embolia the seal cover from fixing bolt's circumference face again, then with second heat preservation slide insert fixing bolt on, make the mounting hole of counter bore form cooperate with the seal cover, the mounting hole of counter bore form can be so that seal cover and second heat preservation face towards the surface parallel and level of wall body, avoid appearing the gap between second heat preservation and enhancement layer, improve the pleasing to the eye degree and the heat preservation ability of outer wall. The sealing sleeve made of the rubber material has certain corrosion resistance and toughness, so that the sealing sleeve can be inserted into the mounting hole to form seamless sealing.
The invention is further configured to: and a bonding layer made of bonding mortar is arranged between the first heat preservation layer of the wall body and the wall body.
Through above-mentioned technical scheme, the viscidity of bonding mortar is stronger, consequently can improve the fixed stability between first heat preservation and the wall body with the material of bonding mortar as the tie coat, ensures the continuous heat preservation ability on first heat preservation to the heat preservation effect of outer wall has been improved.
The invention is further configured to: the reinforced layer is made of hot galvanizing steel wire mesh.
Through above-mentioned technical scheme, hot-galvanize steel wire net structure is firm, the wholeness is strong, the wire side is level and smooth and corrosion resistance is good, consequently regard hot-galvanize steel wire net as the material of enhancement layer, can improve the anti deformability of first heat preservation and second heat preservation to the stability of the heat preservation effect of outer wall has been improved.
The invention is further configured to: a waterproof layer is arranged between the reinforcing layer and the first heat-preservation layer and is made of waterproof anti-crack mortar.
Through the technical scheme, waterproof anti-crack mortar has that the coating is fine and close, coating intensity is high, with the bonding force of base plane strong and prevent characteristics such as chap, consequently the waterproof layer has stronger waterproof ability on the one hand, on the other hand also can bond the enhancement layer on first heat preservation more firmly, make the enhancement layer exert the at utmost to the anti-deformation ability on first heat preservation, and simultaneously, the waterproof layer also can be more stable with the bonding between second heat preservation and the enhancement layer, make the enhancement effect of enhancement layer to the second heat preservation also can improve to the biggest.
The invention is further configured to: an anti-cracking layer is arranged between the reinforcing layer and the second heat-insulating layer, the anti-cracking layer is made of anti-cracking mortar, a reinforcing plate is fixedly arranged on one side, facing the anti-cracking layer, of the sealing sleeve, and one side, facing the anti-cracking layer, of the reinforcing plate is in a sawtooth shape.
Through the technical scheme, the gusset plate sets up to the one side of sawtooth and inserts in anti-crack layer, consequently after anti-crack layer solidification, the gusset plate can bond together with anti-crack layer more steadily, thereby make the fixed more reliable and more stable between seal cover and the anti-crack layer, therefore the seal cover can not become flexible easily, make the seal cover stronger to the leakproofness of mounting hole, thereby make the heat preservation thick liquids can not follow the mounting hole and spill out when pouring into the heat preservation thick liquids into in the second heated board, the heat preservation ability of second heated board has been improved.
The invention is further configured to: the one end that fixing bolt is close to the steel reinforcement cage welded is the bloated head form that the diameter grow gradually towards the direction of keeping away from first heat preservation.
Through above-mentioned technical scheme, fixing bolt and steel reinforcement cage welded one end are the head form that expands of diameter grow gradually, consequently after concreting in toward the steel reinforcement cage, after the concrete solidification, can improve the tension between fixing bolt and the concrete to effectively prevent that fixing bolt is not hard up, improved the fixed stability of fixing bolt to first heated board and second heated board.
The invention is further configured to: and the fixing bolt is in threaded connection with a fixing nut on one side of the second heat-insulating layer, which is far away from the wall body.
Through above-mentioned technical scheme, after being full of the heat preservation thick liquids with the second heated board intussuseption, on screwing fixing bolt again with fixation nut, fixation nut can will make that second heated board, reinforcing plate and first heated board are connected inseparabler to further improve the heat preservation ability of outer wall.
The invention is further configured to: a construction method of a building heat-insulation outer wall structure comprises the following specific steps:
s1: building a reinforcement cage, welding the fixing bolts to the reinforcement cage, and pouring concrete into the reinforcement cage to form an outer wall;
s2: brushing bonding mortar on one side of the wall body facing outdoors to form a bonding layer, and inserting the first heat-insulating layer on the fixing bolt in a sliding manner and bonding and connecting the first heat-insulating layer with the bonding layer;
s3: coating a layer of waterproof anti-crack mortar on one side of the first heat preservation layer, which is far away from the bonding layer, to form a waterproof layer, and attaching the hot-dip galvanized steel wire mesh to the surface of the waterproof anti-crack mortar to form a reinforcing layer;
s4: continuously coating a layer of anti-cracking mortar on one side of the hot-dip galvanized steel wire mesh, which is far away from the waterproof layer, to form an anti-cracking layer;
s5: sleeving a sealing sleeve on the fixing bolt, and inserting the sawteeth of the reinforcing plate into the anti-crack mortar;
s6: the second heat-preservation layer is sleeved on the fixing bolt in a sliding mode, and the sealing sleeve is clamped in the mounting hole in the shape of the counter bore;
s7: filling the prepared glue powder polyphenyl particle heat insulation slurry into the second heat insulation layer from the filler hole;
s8: injecting polyacrylate resin glue into the fixing bolt from the vent hole;
s9: and sleeving the fixed nut on the fixed bolt in a threaded manner, and cutting off the redundant part of the fixed bolt, which is positioned outside the fixed nut.
Through the technical scheme, firstly, a steel reinforcement cage is built, then a fixing bolt is welded on the steel reinforcement cage, concrete is poured into the steel reinforcement cage after the fixing bolt is welded with the steel reinforcement cage, so that the stability between the fixing bolt and a wall body can be improved while the wall body is formed, after the wall body is basically formed, a layer of bonding mortar is firstly brushed on the outer surface of the wall body, then a first heat-preservation layer is inserted into the fixing bolt in a sliding mode, the first heat-preservation layer is in butt fit with the bonding mortar, so that the bonding between the first heat-preservation layer and the wall body is firmer and more stable and cannot fall off easily, then a layer of waterproof anti-crack mortar is brushed on the surface of the first heat-preservation layer, a reinforcing layer is coated on the waterproof anti-crack mortar, a second heat-preservation layer is coated on the anti-crack mortar, and a mounting hole of the second heat-preservation layer can be matched with a sealing sleeve, on the one hand, the sealing performance of the second heat-insulating layer is improved, and on the other hand, the fixing stability of the second heat-insulating layer is improved. The arrangement of the bonding mortar, the waterproof anti-crack mortar and the anti-crack mortar enables the bonding among the first heat preservation layer, the second heat preservation layer and the reinforcing layer to be more stable and reliable, and the heat preservation capability of the wall body is improved.
After the second heat-insulating layer is bonded, rubber powder polyphenyl particle heat-insulating slurry is introduced into the filler hole, the rubber powder polyphenyl particle heat-insulating slurry can enter the second heat-insulating layer, on one hand, the heat-insulating capacity of the second heat-insulating layer is enhanced, on the other hand, the surface of the rubber powder polyphenyl particle heat-insulating slurry cannot be exposed to the outside even if the surface of the rubber powder polyphenyl particle heat-insulating slurry is uneven, the attractiveness of an outer wall cannot be affected, in the process of filling the heat-insulating slurry, air in the second heat-insulating layer can be discharged from the vent, the filling process is smooth, after the heat-insulating slurry is filled, polyacrylate resin glue can be injected from the vent, the heat-insulating slurry in the second heat-insulating layer is more stable after being cured, meanwhile, the connection between the fixing bolt and the second heat-insulating layer is more tight. After the polyacrylate resin adhesive is filled, the redundant part of the fixing bolt is cut off, so that the surface flatness of the second insulation board can be further improved, and the surface quality and the attractiveness are improved.
In conclusion, the beneficial technical effects of the invention are as follows:
1. through the arrangement of the hollow second heat-insulating layer and the fixing bolt provided with the filling hole and the vent hole, the second heat-insulating layer can be used as an outer decorative plate of a wall body, so that the heat-insulating capability is improved, and the second heat-insulating layer can have good surface flatness so as to improve the attractiveness;
2. by arranging the sealing sleeve matched with one side of the mounting hole facing the wall body and the fixing nut matched with the fixing bolt, the mounting hole penetrating through two sides of the second heat-insulation plate can be blocked, so that heat-insulation slurry in the second heat-insulation plate is prevented from leaking out, and the heat-insulation capacity is improved;
3. through setting up the enhancement layer, improved the anti deformability of first heated board and second heated board to the durability of the heat preservation ability of first heated board and second heated board has been improved.
Drawings
FIG. 1 is a schematic view of the present invention with reinforcement cage removed to hide the wall;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of the fixing bolt;
fig. 4 is an exploded view of the present invention.
Reference numerals: 1. a wall body; 11. a reinforcement cage; 2. fixing the bolt; 21. a filler hole; 22. a vent hole; 23. fixing a nut; 3. a bonding layer; 4. a first insulating layer; 5. a waterproof layer; 6. a reinforcing layer; 7. an anti-cracking layer; 8. a second insulating layer; 81. mounting holes; 82. sealing sleeves; 821. and a reinforcing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
A building heat-insulation outer wall structure and a construction method thereof are disclosed, as shown in figures 1 and 2, the building heat-insulation outer wall structure comprises a wall body 1, the wall body 1 is formed by a reinforcement cage 11 and concrete poured in the reinforcement cage 11, a plurality of horizontal fixing bolts 2 are welded on the reinforcement cage 11, the fixing bolts 2 extend towards one side departing from the wall body 1, a bonding layer 3, a first heat-insulation layer 4, a waterproof layer 5, a reinforcing layer 6, an anti-cracking layer 7 and a second heat-insulation layer 8 are sequentially arranged on one side of the wall body 1 departing from the outdoor space, the bonding layer 3, the waterproof layer 5 and the anti-cracking layer 7 are all sticky, mounting holes 81 which are in sliding fit with the fixing bolts 2 are respectively arranged on the first heat-insulation layer 4 and the second heat-insulation layer 8, so that the first heat-insulation layer 4 and the second heat-insulation layer 8 can be inserted and fixed on the fixing bolts 2, the first heat-insulation layer 4, and the bonding layer 3, the waterproof layer 5 and the anti-cracking layer 7 are arranged, so that the first heat-insulating layer 4, the reinforcing layer 6 and the second heat-insulating layer 8 are bonded more firmly, and the heat-insulating property of the wall body 1 is improved.
Tie coat 3 is tie coat 3 of bonding mortar material, after the shaping of wall body 1, with bonding mortar coating in wall body 1 deviate from indoor surface in order to form tie coat 3, before 3 solidifications of tie coat, slide and insert first heat preservation 4 and locate fixing bolt 2 on and make first heat preservation 4 and 3 butts of tie coat, bonding mortar has higher viscidity, therefore tie coat 3 solidification after first heat preservation 4 then can with wall body 1 between form stable bonding cooperation.
First heat preservation 4 is the first heat preservation 4 of XPS extruded polystyrene board material, and XPS extruded polystyrene board material has excellent, lasting thermal-insulated heat preservation, water-resistant dampproofing and anticorrosion, durable characteristic, and the rock wool has excellent fire prevention heat preservation characteristic, therefore the first heat preservation 4 of XPS extruded polystyrene board material and the second heat preservation 8 of rock wool material can improve the outer wall heat preservation ability greatly.
Waterproof layer 5 is waterproof layer 5 of waterproof anti-crack mortar material, waterproof anti-crack mortar has that the coating is fine and close, coating intensity is high, with the bonding force of base plane strong and prevent characteristics such as chap, consequently waterproof layer 5 has stronger waterproof ability on the one hand, on the other hand also can bond enhancement layer 6 on first heat preservation 4 more firmly, make enhancement layer 6 exert to the at utmost to the anti-deformation ability of first heat preservation 4, and simultaneously, waterproof layer 5 also can be more stable with the bonding between second heat preservation 8 and the enhancement layer 6, make enhancement layer 6 also can improve to the biggest to the reinforcing effect of second heat preservation 8.
The enhancement layer 6 is hot-galvanize steel wire net material's enhancement layer 6, and hot-galvanize steel wire net structure is firm, the wholeness is strong, the wire side is level and smooth and corrosion resistance is good, consequently regard hot-galvanize steel wire net as the material of enhancement layer 6, can improve the resistance to deformation ability of first heat preservation 4 and second heat preservation 8 to the stability of the heat preservation effect of outer wall has been improved.
The anti-cracking layer 7 is made of anti-cracking mortar, the anti-cracking mortar is a high-quality environment-friendly material which is high in tensile strength and resistant to freezing and constructed, so that the anti-cracking capability can be improved by taking the anti-cracking mortar as the material of the anti-cracking layer 7, the overall heat preservation capability of the outer wall is improved, the anti-cracking mortar also has certain viscosity, the reinforcing layer 6 and the second heat preservation layer 8 can be bonded more tightly, the strength and the firmness of the thermo-toxic steel wire mesh of the reinforcing layer 6 are matched with the anti-cracking layer 7, the anti-cracking capability and the strength of the first heat preservation layer 4 and the second heat preservation layer 8 can be further improved, and the heat preservation durability of the first heat preservation layer 4 and the second heat preservation layer 8 is stronger.
As shown in fig. 4, second heat preservation 8 is the second heat preservation 8 of rock wool material, and the inside cavity of second heat preservation 8, the intensity of rock wool is higher, the heat preservation effect is also stronger, consequently, can play better heat preservation effect, second heat preservation 8 is counter bore form towards mounting hole 81 of wall body 1 one side, and the cover is equipped with seal cover 82 on fixing bolt 2, seal cover 82 is the rubber material, and seal cover 82 is located between second heat preservation 8 and the anti-crack layer 7, seal cover 82 can insert in mounting hole 81, and seal cover 82 towards the surface of anti-crack layer 7 and the surperficial parallel and level of second heat preservation 8 towards anti-crack layer 7, thereby the leakproofness of second heat preservation 8 has been improved.
With reference to fig. 3 and 4, a reinforcing plate 821 is fixedly provided on the surface of the sealing sleeve 82 facing the anti-crack layer 7, the surface of the reinforcing plate 821 facing the anti-crack layer 7 is serrated, after the anti-crack layer 7 is coated on the reinforcing layer 6, the serrated side of the reinforcing plate 821 is inserted into the anti-crack layer 7 before the anti-crack layer 7 is cured, after the anti-crack layer 7 is cured, the reinforcing plate 821 and the anti-crack layer 7 are tightly fixed together, and the serrated reinforcing plate 821 increases the contact area with the anti-crack layer 7, so as to further improve the connection stability between the reinforcing plate 821 and the anti-crack layer 7.
As shown in fig. 3, the end of the fixing bolt 2 far away from the wall 1 is provided with a filler hole 21, after the second insulation board is installed, the filler hole 21 is communicated with the inside of the second insulation board, the circumferential surface of the fixing bolt 2 near one side of the filler hole 21 is provided with a vent hole 22, and the vent hole 22 is communicated with the filler hole 21. After the second heat-insulating layer 8 is installed, heat-insulating slurry can be filled in the filling hole 21, the heat-insulating slurry adopted in the embodiment is glue powder polyphenyl particle heat-insulating slurry, the glue powder polyphenyl particle heat-insulating slurry can enter the second heat-insulating layer 8, on one hand, the heat-insulating capability of the second heat-insulating layer 8 is enhanced, on the other hand, the glue powder polyphenyl particle heat-insulating slurry cannot be exposed even if the surface is uneven, so that the attractiveness of an outer wall cannot be influenced, in the process of filling the heat-insulating slurry, air in the second heat-insulating layer 8 can be discharged from the vent hole, so that the filling process is smooth, after the heat-insulating slurry is filled, polyacrylate resin adhesive can be flushed from the vent hole, so that the heat-insulating slurry in the second heat-insulating layer 8 is more stable after being cured, and meanwhile, the connection between the fixing bolt 2 and the second heat-insulating layer, the overall stability is improved. The fixing bolt 2 is connected with the fixing nut 23 through the threads, after the polyacrylate resin adhesive is filled, the fixing nut 23 is screwed on the fixing bolt 2, the fixing nut 23 abuts against the surface of the second heat insulation layer 8, the mounting hole 81 can be blocked by the fixing nut 23, the sealing performance of the second heat insulation layer 8 is further improved, the redundant part of the fixing bolt 2 is cut off after the fixing nut 23 is screwed, the surface flatness of the second heat insulation layer can be further improved, and the surface quality and the attractiveness are improved.
As shown in fig. 3, the end of the fixing bolt 2 close to the steel reinforcement cage 11 is in the form of an expansion head with a gradually increasing diameter along one side of the wall body 1, so that after concrete is poured into the steel reinforcement cage 11, after the concrete is solidified, the tension between the fixing bolt 2 and the concrete can be improved, thereby effectively preventing the fixing bolt 2 from loosening, and improving the fixing stability of the fixing bolt 2 to the first heat insulation plate and the second heat insulation plate.
Example 2
A construction method of a building heat-insulation outer wall structure comprises the following specific steps:
s1: building a reinforcement cage 11, welding the fixing bolt 2 on the reinforcement cage 11, and pouring concrete into the reinforcement cage 11 to form an outer wall;
s2: brushing bonding mortar on one side of the wall body 1 facing outdoors to form a bonding layer 3, and inserting a first heat preservation layer 4 on the fixing bolt 2 in a sliding manner and bonding and connecting with the bonding layer 3;
s3: coating a layer of waterproof anti-crack mortar on one side of the first heat preservation layer 4, which is far away from the bonding layer 3, to form a waterproof layer 5, and attaching the hot-dip galvanized steel wire mesh to the surface of the waterproof anti-crack mortar to form a reinforcing layer 6;
s4: continuously coating a layer of anti-cracking mortar on one side of the hot-dip galvanized steel wire mesh, which is far away from the waterproof layer 5, to form an anti-cracking layer 7;
s5: sleeving the sealing sleeve 82 on the fixing bolt 2, and inserting the sawteeth of the reinforcing plate 821 into the anti-crack mortar;
s6: the second insulating layer 8 is sleeved on the fixing bolt 2 in a sliding mode, and the sealing sleeve 82 is clamped in the mounting hole 81 in the shape of a counter bore;
s7: filling the prepared glue powder polyphenyl particle heat insulation slurry into the second heat insulation layer 8 from the filler hole 21;
s8: injecting polyacrylate resin glue into the fixing bolt 2 from the vent hole 22;
s9: the fixing nut 23 is screwed onto the fixing bolt 2, and the excess part of the fixing bolt 2 located outside the fixing nut 23 is cut off.
The implementation principle of the embodiment is as follows: after a reinforcement cage 11 is built, a plurality of horizontal fixing bolts 2 are welded on the reinforcement cage 11, then concrete is poured to form a wall body 1 of an outer wall, after the wall body 1 is formed, a bonding layer 3 is brushed on the outer surface of the wall body 1, a first heat preservation plate penetrates through the fixing bolts 2 and is abutted against the bonding layer 3, so that the first heat preservation plate can be tightly bonded with the wall body 1, a waterproof layer 5 made of waterproof anti-cracking mortar is brushed on one side of the first heat preservation plate, which is far away from the wall body 1, after the first heat preservation plate is bonded, a reinforcing layer 6 is bonded on the waterproof layer 5, so that the reinforcing layer 6 and the first heat preservation layer 4 are stably bonded, the deformation resistance and the waterproof capability of the first heat preservation plate are improved, an anti-cracking layer 7 made of anti-cracking mortar is brushed on the surface of one side, which is far away from the first heat preservation layer 4, of the sealing sleeve 82 is sleeved on the fixing bolts 2 before the anti-cracking layer 7 is, and the reinforcing plate 821 is in adhesive fit with the anti-crack layer 7 so that the sealing sleeve 82 can be stably fixed on the anti-crack layer 7, and finally the second insulating layer 8 is passed through the fixing bolt 2 and so that the sealing sleeve 82 is inserted into the corresponding mounting hole 81, and the fixing nut 23 is screwed on the fixing bolt 2.
After the second heat preservation layer 8 is installed, glue powder polyphenyl granule heat preservation slurry is filled into the filler hole 21, the glue powder polyphenyl granule heat preservation slurry can enter the second heat preservation layer 8 along the filler hole 21 and is filled in the second heat preservation layer 8, the heat preservation performance of the second heat preservation plate can be improved by the glue powder polyphenyl granule heat preservation slurry, and compared with the direct brushing of the glue powder polyphenyl granule heat preservation slurry on the outer surface of the wall body 1, the glue powder polyphenyl granule heat preservation slurry is injected into the second heat preservation plate, the surface unevenness can not be exposed even after the glue powder polyphenyl granule heat preservation slurry is solidified, the attractiveness of the surface is improved while the heat preservation performance is improved. After the adhesive polystyrene particle heat-insulating slurry is injected and before the adhesive polystyrene particle heat-insulating slurry is cured, polyacrylate resin adhesive is injected from the vent hole 22, and the polyacrylate resin adhesive can further improve the bonding stability between the adhesive polystyrene particle heat-insulating slurry and the second heat-insulating layer 8 and also further improve the fixing stability between the fixing bolt 2 and the second heat-insulating layer 8. After the polyacrylate resin adhesive is injected, the excessive part of the fixing bolt 2 can be cut off, so that the appearance is further improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a building heat preservation outer wall structure, includes wall body (1), embedded steel reinforcement cage (11) that are equipped with of wall body (1), its characterized in that: the steel reinforcement cage (11) is welded with a fixing bolt (2) horizontally facing outdoors, a first heat preservation layer (4), a reinforcing layer (6) and a second heat preservation layer (8) which are matched with the fixing bolt (2) in an inserting manner are sequentially arranged on one outdoor side of the wall body (1) from inside to outside, the first heat preservation layer (4) is made of an XPS extruded polystyrene board material, the second heat preservation layer (8) is made of a rock wool material, the second heat preservation layer (8) is hollow, a filling hole (21) is formed in the end part, away from the wall body (1), of the fixing bolt (2), the filling hole (21) is communicated with the inside of the second heat preservation layer (8), an air vent (22) communicated with the filling hole (21) is formed in the circumferential surface of one end, away from the wall body (1), of the fixing bolt (2), a mounting hole (81) matched with the fixing bolt (2) is formed in the second heat preservation layer (8), one side of the mounting hole (81) facing the wall body (1) is a counter bore, one side of the second heat-insulating layer (8) close to the wall body (1) of the fixing bolt (2) is sleeved with a sealing sleeve (82) matched with the mounting hole (81), and the sealing sleeve (82) is made of rubber.
2. The building insulation exterior wall structure according to claim 1, wherein: and a bonding layer (3) made of bonding mortar is arranged between the first heat-preservation layer (4) of the wall body (1) and the wall body (1).
3. The building insulation exterior wall structure according to claim 1, wherein: the reinforced layer (6) is made of hot-dip galvanized steel wire mesh materials (6).
4. The building insulation exterior wall structure according to claim 1, wherein: a waterproof layer (5) is arranged between the reinforcing layer (6) and the first heat-preservation layer (4), and the waterproof layer (5) is made of waterproof anti-crack mortar.
5. The building insulation exterior wall structure according to claim 1, wherein: an anti-cracking layer (7) is arranged between the reinforcing layer (6) and the second heat-insulating layer (8), the anti-cracking layer (7) is made of anti-cracking mortar, a reinforcing plate (821) is fixedly arranged on one side, facing the anti-cracking layer (7), of the sealing sleeve (82), and one side, facing the anti-cracking layer (7), of the reinforcing plate (821) is in a sawtooth shape.
6. The building insulation exterior wall structure according to claim 1, wherein: the fixing bolt (2) is close to the expansion head shape that the diameter becomes bigger gradually towards the direction of keeping away from first heat preservation (4) of reinforcing bar cage (11) welded one end.
7. The building insulation exterior wall structure according to claim 1, wherein: and a fixing nut (23) is connected to the fixing bolt (2) through threads on one side of the second heat-insulating layer (8) departing from the wall body (1).
8. The building insulation exterior wall structure according to any one of claims 1 to 7, wherein the construction method comprises the following steps: s1: building a reinforcement cage (11), welding the fixing bolts (2) on the reinforcement cage (11), and pouring concrete into the reinforcement cage (11) to form an outer wall;
s2: brushing adhesive mortar on one side, facing outdoors, of the wall body (1) to form an adhesive layer (3), and inserting the first heat-insulating layer (4) on the fixing bolt (2) in a sliding manner and connecting the first heat-insulating layer with the adhesive layer (3) in an adhesive manner;
s3: coating a layer of waterproof anti-crack mortar on one side of the first heat preservation layer (4) departing from the bonding layer (3) to form a waterproof layer (5), and attaching the hot galvanized steel wire mesh to the surface of the waterproof anti-crack mortar to form a reinforcing layer (6);
s4: continuously coating a layer of anti-cracking mortar on one side of the hot-dip galvanized steel wire mesh, which is far away from the waterproof layer (5), to form an anti-cracking layer (7);
s5: sleeving a sealing sleeve (82) on the fixing bolt (2) and inserting sawteeth of the reinforcing plate (821) into the anti-crack mortar;
s6: the second insulating layer (8) is sleeved on the fixing bolt (2) in a sliding manner, and the sealing sleeve (82) is clamped in the mounting hole (81) in the shape of a counter bore;
s7: filling the prepared glue powder polyphenyl particle heat-insulating slurry into the second heat-insulating layer (8) from the filler hole (21);
s8: injecting polyacrylate resin glue into the fixing bolt (2) from the vent hole (22);
s9: the fixing nut (23) is sleeved on the fixing bolt (2) in a threaded manner, and the redundant part of the fixing bolt (2) located outside the fixing nut (23) is cut off.
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| CN201910026001.6A CN109838001B (en) | 2019-01-11 | 2019-01-11 | Building heat-insulation outer wall structure and construction method thereof |
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| CN201910026001.6A CN109838001B (en) | 2019-01-11 | 2019-01-11 | Building heat-insulation outer wall structure and construction method thereof |
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| CN109838001B true CN109838001B (en) | 2020-07-10 |
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| CN110397180B (en) * | 2019-07-25 | 2021-04-27 | 杭州南岳建设工程有限公司 | Construction process of outer wall |
| CN111549918A (en) * | 2020-05-15 | 2020-08-18 | 中能化江苏地质矿产设计研究院有限公司 | Novel thickness cushion block for installation of heat preservation system and construction method |
| CN111794413B (en) * | 2020-07-24 | 2021-09-21 | 温州泰乐维工程设计有限公司 | Concrete heat-insulation external wall |
| CN112900660A (en) * | 2021-01-19 | 2021-06-04 | 上海能循建筑节能科技有限公司 | Construction process of external wall heat-insulation composite board |
| CN114293677B (en) * | 2021-12-07 | 2023-05-16 | 南通科达建材科技股份有限公司 | Assembled building external wall heat preservation device |
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