CN112160452A - External wall heat insulation structure and construction method thereof - Google Patents
External wall heat insulation structure and construction method thereof Download PDFInfo
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- CN112160452A CN112160452A CN202011195246.0A CN202011195246A CN112160452A CN 112160452 A CN112160452 A CN 112160452A CN 202011195246 A CN202011195246 A CN 202011195246A CN 112160452 A CN112160452 A CN 112160452A
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- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 103
- 239000010440 gypsum Substances 0.000 claims abstract description 103
- 239000003292 glue Substances 0.000 claims abstract description 85
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 21
- 230000001070 adhesive effect Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
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- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 239000003063 flame retardant Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/383—Connection of concrete parts using adhesive materials, e.g. mortar or glue
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4171—Nailable or non-threaded screwable elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/7675—Insulating linings for the interior face of exterior walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to an external wall heat-insulating structure and a construction method thereof, wherein the external wall heat-insulating structure comprises bonding mortar, an XPS gypsum board and a fixing anchor bolt, the XPS gypsum board is bonded on a concrete external wall through the bonding mortar, drill holes are arranged at corresponding positions of the XPS gypsum board and the concrete external wall, the fixing anchor bolt penetrates through the drill holes and is fixed on the concrete external wall, the outer side of the fixing anchor bolt is provided with a glue storage frame, the glue storage frame is embedded in the gypsum board and is abutted against the concrete external wall, the upward side wall of the glue storage frame is provided with an opening, the fixing anchor bolt is provided with a glue injection hole along the axial direction of the fixing anchor bolt, the side wall of the fixing anchor bolt is uniformly provided with; the external wall heat insulation structure provided by the invention is novel in design and convenient to use, can realize firm connection between the adjacent XPS gypsum board and a wall body, avoids the XPS gypsum board from falling off in the use process, and is suitable for further popularization and application.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an external wall heat-insulating structure and a construction method thereof.
Background
The external wall heat insulation is compounded by polymer mortar, glass fiber mesh cloth, flame-retardant molded polystyrene foam board (EPS), extruded sheet (XPS), gypsum board and other materials, and is bonded on site.
The existing XPS gypsum board (wherein the XPS gypsum board is formed by XPS +10mm thick gypsum board with the thickness of 25 mm) outer wall insulation structure is mostly constructed through a bonding mode, and the bonding between the insulation board and the outer wall body is not firm, so that the insulation board is easy to fall off.
Disclosure of Invention
In order to solve the problems, the invention provides an external wall heat insulation structure and a construction method thereof.
The invention is realized by the following technical scheme:
the utility model provides an outer wall insulation structure, includes bonding mortar, XPS gypsum board and fixed crab-bolt, the XPS gypsum board bonds on the concrete outer wall through bonding mortar, be equipped with drilling on XPS gypsum board and the concrete outer wall corresponds the position, fixed crab-bolt passes drilling and is fixed in on the concrete outer wall, the outside of fixed crab-bolt is equipped with stores up gluey frame, store up gluey frame and inlay in the XPS gypsum board, store up gluey frame and concrete outer wall looks butt, store up and to have seted up the opening on gluey frame ascending lateral wall, the glue-injecting hole has been seted up along its axial to fixed crab-bolt, a plurality of glue outlet has evenly been seted up on the lateral wall of fixed crab-bolt, glue outlet communicates with the glue-injecting hole, the clearance department of border and concrete outer wall is annotated and has foamed polyurethane to seal, and the seam crossing between adjacent XPS gypsum board is equipped.
Preferably, the upper end of the XPS gypsum board tightly props up a concrete outer wall top floor slab, and the lower part of the XPS gypsum board is separated from the ground.
Preferably, the glue storage frame protrudes 0.8-1.0cm beyond the XPS gypsum board.
Preferably, the glue outlet hole on the fixing anchor bolt is obliquely arranged upwards, and the size of the glue outlet hole is gradually increased from top to bottom.
Preferably, the distance between the fixing anchor and the plate edge is at least 2 times of the plate thickness and is not smaller than 100 mm.
Preferably, the glue storage frame is a square frame.
The invention further provides a construction method of the external wall heat insulation structure, which comprises the following steps:
1) marking drilling positions on the XPS gypsum board uniformly embedded with the glue storage frame;
2) uniformly coating round bonding mortar on the concrete outer wall at intervals;
3) attaching the XPS gypsum board to the concrete outer wall, wherein the upper end of the XPS gypsum board is tightly propped against a floor slab at the upper end of the concrete outer wall, beating the XPS gypsum board through a rubber hammer and pushing the XPS gypsum board by a palm to ensure that the glue storage frame is attached to the concrete outer wall and the XPS gypsum board is in a vertical state, and raising the lower end of the XPS gypsum board through a small base plate to ensure that the XPS gypsum board is separated from the ground;
4) aligning the drilling position on the XPS gypsum board, drilling a hole on the XPS gypsum board, and then knocking a fixing anchor bolt into the wall body through the hole to further fix the XPS gypsum board;
5) injecting adhesive glue solution into the glue injection hole, and respectively filling the adhesive glue solution into the wall hole into which the glue storage frame and the fixing anchor bolt are knocked through the glue outlet hole;
6) injecting foamed polyurethane into a gap between the edge of the XPS gypsum board and the concrete outer wall for sealing;
7) and the joints between the adjacent XPS gypsum boards are repaired and leveled through the net hanging and the anti-crack mortar.
Furthermore, the bonding mortar is uniformly coated on the outer wall of the concrete outer wall in a circular shape, the coating thickness of the bonding mortar is 12-15mm, the diameter of the bonding mortar is not less than 50mm, and the distance between every two adjacent bonding mortars is not more than 400 mm.
Further, the drilled holes marked in the step 1) are respectively positioned in the middle of each glue storage frame.
The invention has the beneficial effects that:
the external wall heat insulation structure provided by the invention has the advantages that the design is novel, the use is convenient, the firm connection between the adjacent XPS gypsum board and the wall body can be realized, and the dropping of the XPS gypsum board in the use process is avoided; because the XPS gypsum board is low in heat transfer nature itself, and still have the air bed that thermal-insulated effectual between XPS gypsum board and the concrete outer wall 1, its separation that can to a great extent has indoor outer temperature transmission, makes indoor long-term comfortable temperature that keeps, and then plays better heat preservation effect, suitable further popularization and application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a fixation anchor;
FIG. 4 is a schematic structural view of a glue storage frame;
figure 5 is a schematic of an XPS gypsum board embedded with a glue storage frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, an external wall insulation structure comprises bonding mortar 2, an XPS gypsum board 3 and a fixing anchor bolt 4, wherein the XPS gypsum board 3 is bonded on a concrete external wall 1 through the bonding mortar 2, drill holes are arranged at corresponding positions of the XPS gypsum board 3 and the concrete external wall 1, the fixing anchor bolt 4 is fixed on the concrete external wall 1 by driving in through the drill holes, a glue storage frame 6 is arranged at the outer side of the fixing anchor bolt 4, the glue storage frame 6 is embedded in the XPS gypsum board 3, store up gluey frame 6 and concrete outer wall 1 looks butt, store up and to have seted up opening 61 on gluey frame 6 lateral wall up, fixed crab-bolt 4 has seted up glue injection hole 41 along its axial, evenly seted up a plurality of glue outlet 42 on the lateral wall of fixed crab-bolt 4, glue outlet 42 communicates with each other with glue injection hole 41, the border is annotated with foaming polyurethane with the clearance department of concrete outer wall 1 and is sealed, the seam crossing between adjacent XPS gypsum board 3 is equipped with hanging net and anti-crack mortar 5.
The glue storage frame 6 is used for grooving, embedding and filling adhesive for fixation after the XPS gypsum board is formed, and each XPS gypsum board is at least provided with 6 glue storage frames 6.
Further, the upper end of the XPS gypsum board 3 tightly props against a floor slab at the top of the concrete outer wall 1, and the lower part of the XPS gypsum board is separated from the ground; the distance between the XPS gypsum board 3 and the ground is approximately 10-15 mm; avoid the XPS gypsum board to be too close to ground, ground moisture enters into in XPS gypsum board 3.
Further, the glue storage frame 6 protrudes 0.8-1.0cm from the XPS gypsum board (refer to the attached figure 5); according to the arrangement, when the XPS gypsum board glue storage frame 6 props against the concrete outer wall 1, an air layer is formed between the XPS gypsum board and the concrete outer wall 1, the air layer has a good heat insulation effect, and the loss of heat in the wall is further prevented;
when the distance between the XPS gypsum board and the air layer of the concrete outer wall 1 is less than 0.8cm, the heat insulation effect of the air layer is poor, when the distance between the XPS gypsum board and the concrete outer wall 1 is more than 1.0cm, a large amount of bonding mortar 2 needs to be filled, when the thickness of the bonding mortar 2 is increased, the processing cost is increased, and the bonding effect is reduced due to the fact that the bonding mortar 2 is too thick, so that the glue storage frame 6 preferably protrudes out of the XPS gypsum board by 0.8-1.0 cm.
Further, the glue outlet 42 on the fixing anchor bolt 4 is arranged obliquely upwards; when the fixing anchor bolt is used, the adhesive liquid is injected into the adhesive injection hole 41, the adhesive liquid extends into a drilled hole of the concrete outer wall 1 through the adhesive outlet hole 42 and is dried and solidified to form a plurality of inclined strut branches, the barb-shaped branches can prevent the fixing anchor bolt 4 from falling off, and the adhesive liquid can fill and repair cracks at the hole position on the wall body, so that the contact area between the fixing anchor bolt 4 and the wall body is increased, the connection strength between the fixing anchor bolt 4 and the concrete outer wall 1 is increased, the fixing anchor bolt 4 is further prevented from falling off, and the installation firmness of the outer wall heat insulation structure is improved; in addition, the glue outlet hole 42 at the upper end of the fixing anchor bolt 4 is arranged upwards in an inclined mode, when the adhesive glue flows out from the glue outlet hole 42 at the upper end of the fixing anchor bolt 4 to fill the glue storage frame 6, one side of the wall body far away from the hole position can be filled preferentially, time is provided for filling the adhesive glue in the wall hole, and the situation that the gas in the wall hole cannot be discharged due to the fact that the outside of the wall hole is filled with the adhesive glue firstly is avoided, and therefore the wall hole cannot be filled with the adhesive glue fully.
Preferably, the angle between the glue outlet hole 42 and the axis of the fixing anchor bolt 4 is 30-60 °, and when the angle between the glue outlet hole 42 and the axis of the fixing anchor bolt 4 is too small, the adhesive glue flowing out of the glue outlet hole 42 will flow out towards the outside of the hole on the wall body preferentially, so that an air seal is formed inside the hole, and the inside of the hole cannot be filled with the adhesive glue well; when the angle between the glue outlet 42 and the axis of the fixing anchor bolt 4 is too large, the angle of the branch formed by drying the adhesive glue flowing out of the glue outlet 42 is relatively flat, and the anti-dropping property of the fixing anchor bolt 4 is reduced.
The size of the glue outlet hole 42 is gradually increased from top to bottom; the arrangement is favorable for discharging the bonding glue solution injected into the glue injection hole 41 from the glue outlet hole 42 far away from the glue inlet end, and filling the holes in the wall body first, so that the situation that the holes in the wall body are blocked to ensure that gas in the holes cannot be discharged after the glue storage frame 6 is filled first is avoided, and the holes cannot be filled well.
Furthermore, the distance between the fixing anchor bolt 4 and the plate edge is at least 2 times of the plate thickness and is not smaller than 100 mm; this kind of setting can avoid fixed crab-bolt 4 to strike into the time, and fixed crab-bolt 4 leads to 3 flange cracks of XPS gypsum board near too from the flange.
Further, the glue storage frame 6 is a square frame; this kind of setting can be ensured to store up and glue frame 6 embedding in-process and not take place rotatoryly, makes the opening 61 on the frame 6 of storing up all the time upwards.
As a further improvement, the surface of the fixing anchor bolt 4 is provided with an antirust coating; so as to prevent the fixing anchor bolt 4 from being corroded and rusted to cause damage and falling off.
The embodiment further provides a construction method of the external wall insulation structure, which comprises the following steps:
1) marking drilling positions on the XPS gypsum board 3 uniformly embedded with the glue storage frame 6; wherein, the marked drill holes are respectively positioned in the middle of each glue storage frame 6.
2) Uniformly coating circular bonding mortar 2 on the concrete outer wall 1 at intervals;
3) attaching the XPS gypsum board 3 to the concrete outer wall 1, wherein the upper end of the XPS gypsum board 3 is tightly propped against a floor slab at the upper end of the concrete outer wall 1, beating the XPS gypsum board 3 by a rubber hammer and pushing the XPS gypsum board 3 by a palm to ensure that the rubber storage frame 6 is attached to the concrete outer wall 1 and the XPS gypsum board 3 is in a vertical state, and raising the lower end of the XPS gypsum board 3 by a small base plate to ensure that the XPS gypsum board is separated from the ground; wherein the setting of storing up gluey frame 6 on the XPS gypsum board 3 is favorable to XPS gypsum board 3's vertical regulation to a certain extent, when each stores up gluey frame 6 and concrete outer wall 1 and pastes mutually, XPS gypsum board 3 parallels with concrete outer wall 1 promptly and all is in vertical state.
4) Aligning the drilling position on the XPS gypsum board 3 to drill a hole on the XPS gypsum board 3, and then driving a fixing anchor bolt 4 into the wall body through the hole to further fix the XPS gypsum board 3; it is further preferred that the anchor bolt 4 is driven into the wall to a depth of not less than 40mm to prevent the anchor bolt 4 from loosening.
5) Injecting adhesive glue solution into the glue injection hole 41, wherein the adhesive glue solution is respectively filled into the wall holes into which the glue storage frame 6 and the fixing anchor bolts 4 are knocked through the glue outlet holes 42; the bonding glue solution flowing into the wall hole can fill and repair cracks in the wall hole, so that the contact area between the fixing anchor bolt 4 and the wall body is increased, and the connection strength between the fixing anchor bolt 4 and the concrete outer wall 1 is increased; in addition, the adhesive glue solution extends into the drilled hole of the concrete outer wall 1 through the obliquely arranged glue outlet hole 42 and is dried and solidified to form a plurality of inclined strut branches, and the barb-shaped branches can prevent the fixing anchor bolt 4 from falling off; the bonding glue solution flowing into the glue storage frame 6 through the glue outlet 42 can bond the XPS gypsum board 3 with the concrete outer wall 1, so that the installation firmness of the XPS gypsum board 3 is further improved, and the drying and solidification of the bonding glue solution in the glue storage frame 6 are facilitated due to the upper opening 61 of the glue storage frame 6; wherein the adhesive cement liquid can be adhesive mortar with better fluidity.
6) Injecting foamed polyurethane into the gap between the edge of the XPS gypsum board 3 and the concrete outer wall 1 for sealing; preventing external moisture from entering the concrete exterior wall 1 and the XPS gypsum board 3, and allowing the bonded adhesive mortar 2 to come loose.
7) The joint between the adjacent XPS gypsum boards 3 is repaired and leveled through the net hanging and anti-crack mortar 5; the hanging net and the anti-crack mortar 5 can not only shield the gap between the XPS gypsum boards 3 from external water such as rainwater, but also prevent the cracking of the anti-crack mortar 5 in the expansion with heat and contraction with cold processes of the XPS gypsum boards 3 by coating the hanging net and the anti-crack mortar 5.
Further, the bonding mortar 2 is circularly coated on the outer wall of the concrete outer wall 1, the coating thickness of the bonding mortar 2 is 12-15mm, and the glue storage frame 6 protrudes 0.8-1.0cm beyond the XPS gypsum board; the coating thickness is not less than 12mm in order to be able to bond the bonding mortar 2 to the XPS gypsum board; when the coating thickness of the bonding mortar 2 is more than 15mm, the excessive thickness of the bonding mortar 2 easily causes the reduction of the bonding effect and the influence on the room clearance, so that the coating thickness of the bonding mortar 2 is preferably 12-15 mm. The diameter of the bonding mortar 2 is not less than 50mm, and the distance between the adjacent bonding mortar 2 is not more than 400 mm; this kind of setting has ensured XPS gypsum board 3 and concrete outer wall 1's bonding strength, prevents dropping of XPS gypsum board 3.
When there is a temperature difference between the indoor and outdoor, the indoor temperature is easily transferred to the outdoor through the thermal bridge (concrete wall), so that it is difficult to maintain a comfortable temperature in the indoor. After the XPS gypsum board is installed, because the heat transfer property of the XPS gypsum board is low, and an air layer with a good heat insulation effect is arranged between the XPS gypsum board and the concrete outer wall 1, the XPS gypsum board can obstruct the indoor and outdoor temperature transfer to a great extent, so that the room can keep comfortable temperature for a long time, and a good heat insulation effect is achieved. And the surface gypsum board has better appearance and higher strength, does not influence secondary decoration, and can be directly handed over to owners.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an outer wall insulation structure, includes bonding mortar (2), XPS gypsum board (3) and fixed crab-bolt (4), XPS gypsum board (3) bonds on concrete outer wall (1) through bonding mortar (2), be equipped with drilling on XPS gypsum board (3) and concrete outer wall (1) correspond the position, fixed crab-bolt (4) pass drilling and are fixed in on concrete outer wall (1), its characterized in that, the outside of fixed crab-bolt (4) is equipped with stores up gluey frame (6), store up gluey frame (6) and inlay in XPS gypsum board (3), store up gluey frame (6) and concrete outer wall (1) looks butt, store up and to have seted up opening (61) on gluey frame (6) lateral wall up, the gluey hole (41) of pouring has been seted up along its axial in fixed crab-bolt (4), a plurality of glue outlet (42) have evenly been seted up on the lateral wall of fixed crab-bolt (4), go out gluey hole (42) and annotate gluey hole (41) and communicate with each other, the clearance department of border and concrete outer wall (1) is annotated and is had foamed polyurethane to seal, and the seam crossing between adjacent XPS gypsum board (3) is equipped with string net and anti-crack mortar (5).
2. The exterior wall insulation structure according to claim 1, wherein the XPS gypsum board (3) is tightly supported at the upper end against the top floor of the concrete exterior wall (1), and the lower part is separated from the ground.
3. The exterior wall insulation structure according to claim 2, wherein the glue storage frame (6) protrudes 0.8-1.0cm beyond the XPS gypsum board.
4. The exterior wall insulation structure according to claim 1, wherein the glue outlet holes (42) on the fixing anchor bolts (4) are arranged obliquely upward, and the size of the glue outlet holes (42) is gradually increased from top to bottom.
5. The exterior wall insulation structure according to claim 1, wherein the distance between the fixing anchor (4) and the plate edge is at least 2 times of the plate thickness and is not smaller than 100 mm.
6. The exterior wall insulation structure according to claim 1, wherein the glue storage frame (6) is a square frame.
7. A construction method of an external wall insulation structure according to claims 3-6, characterized by comprising the steps of:
1) marking drilling positions on the XPS gypsum board (3) uniformly embedded with the glue storage frame (6);
2) uniformly coating circular bonding mortar (2) on the concrete outer wall (1) at intervals;
3) sticking the XPS gypsum board (3) on the concrete outer wall (1), wherein the upper end of the XPS gypsum board (3) is tightly propped against a floor slab at the upper end of the concrete outer wall (1), the XPS gypsum board (3) is hit by a rubber hammer and pushed by a palm, so that the glue storage frame (6) is stuck to the concrete outer wall (1), the XPS gypsum board (3) is in a vertical state, and the lower end of the XPS gypsum board (3) is lifted by a small base plate to be separated from the ground;
4) aligning the drilling position on the XPS gypsum board (3) to drill a hole on the XPS gypsum board (3), and then driving a fixing anchor bolt (4) into the wall body through the hole to further fix the XPS gypsum board (3);
5) injecting bonding glue solution into the glue injection hole (41), wherein the bonding glue solution is respectively filled into the wall hole into which the glue storage frame (6) and the fixing anchor bolt (4) are knocked through the glue outlet hole (42);
6) injecting foamed polyurethane into a gap between the edge of the XPS gypsum board (3) and the concrete outer wall (1) for sealing;
7) the joint between the adjacent XPS gypsum boards (3) is repaired and leveled through the net hanging and the anti-crack mortar (5).
8. The construction method of the external wall thermal insulation structure according to claim 7, wherein the bonding mortar (2) is uniformly coated on the external wall of the concrete external wall (1) in a circular shape, the coating thickness of the bonding mortar (2) is 12-15mm, the diameter of the bonding mortar (2) is not less than 50mm, and the distance between the adjacent bonding mortar (2) is not more than 400 mm.
9. The construction method of the external wall insulation structure according to claim 7, wherein the drilled holes marked in the step 1) are respectively positioned in the middle of the glue storage frames (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195246.0A CN112160452A (en) | 2020-10-30 | 2020-10-30 | External wall heat insulation structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958059A (en) * | 2021-11-29 | 2022-01-21 | 沈阳鑫逸洲保温材料有限公司 | Prefabricated ultra-low energy consumption frame system composite heat insulation external wall panel and installation method |
| CN115162546A (en) * | 2022-07-28 | 2022-10-11 | 庄润康 | External wall insulation structure |
| CN115262803A (en) * | 2022-08-10 | 2022-11-01 | 中建八局第三建设有限公司 | Extruded gypsum composite board heat insulation structure and construction method thereof |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958059A (en) * | 2021-11-29 | 2022-01-21 | 沈阳鑫逸洲保温材料有限公司 | Prefabricated ultra-low energy consumption frame system composite heat insulation external wall panel and installation method |
| CN115162546A (en) * | 2022-07-28 | 2022-10-11 | 庄润康 | External wall insulation structure |
| CN115262803A (en) * | 2022-08-10 | 2022-11-01 | 中建八局第三建设有限公司 | Extruded gypsum composite board heat insulation structure and construction method thereof |
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