CN110905091B - Horizontal joint of prefabricated sandwich heat-insulation outer wall and construction steps thereof - Google Patents
Horizontal joint of prefabricated sandwich heat-insulation outer wall and construction steps thereof Download PDFInfo
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- CN110905091B CN110905091B CN201911160630.4A CN201911160630A CN110905091B CN 110905091 B CN110905091 B CN 110905091B CN 201911160630 A CN201911160630 A CN 201911160630A CN 110905091 B CN110905091 B CN 110905091B
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- 238000009413 insulation Methods 0.000 title claims abstract description 95
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 60
- 239000010410 layer Substances 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 33
- 239000003292 glue Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000004746 geotextile Substances 0.000 claims description 14
- 238000004321 preservation Methods 0.000 claims description 14
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 34
- 239000004744 fabric Substances 0.000 description 7
- 239000004417 polycarbonate Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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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
- E04B1/62—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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
- E04C2/2885—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a horizontal joint of a prefabricated sandwich heat-insulation outer wall and a construction step thereof. The invention enhances the plugging effect of the horizontal joint of the prefabricated sandwich heat-insulation outer wall and has the effect of improving the heat insulation of the horizontal joint of the prefabricated sandwich heat-insulation outer wall.
Description
Technical Field
The invention relates to the field of building design and construction, in particular to a horizontal joint of a prefabricated sandwich heat-insulation outer wall and construction steps thereof.
Background
In recent years, with the rapid promotion of energy conservation and emission reduction work and the rapid development of building energy conservation industry in China, more new forms of energy-saving buildings gradually enter people's lives, passive super low-energy buildings are more and more appeared, and the passive super low-energy buildings have higher requirements on heat preservation and heat insulation energy efficiency of outer walls. For the assembled passive super low-energy-consumption building, the heat preservation and insulation treatment at the horizontal abutted seam is particularly critical.
Generally, the prefabricated sandwich heat-insulation outer wall comprises an inner leaf plate, a heat-insulation layer and an outer leaf plate, and in the construction process of a building, a plurality of parallel prefabricated sandwich heat-insulation outer walls are correspondingly spliced and assembled together along horizontal joints according to the plane area of a base wall. But current assembly technique is at horizontal piece department with the grout material packing, and this kind of way exists the unable closely knit condition of grout material packing to along with the passage of time, the infiltration phenomenon appears easily between the horizontal joint, and water produces flowing water to the grout material and erodees, makes the grout material sand gradually and become flexible, makes the condition of infiltration aggravate constantly, has the heat bridge, and thermal-insulated effect is poor, can't satisfy the super low energy consumption performance requirement of building of passive form.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a horizontal joint of a prefabricated sandwich heat-insulation outer wall and a construction step thereof, which enhance the plugging effect of the horizontal joint of the prefabricated sandwich heat-insulation outer wall and are beneficial to improving the heat-insulation effect of the prefabricated sandwich heat-insulation outer wall.
The invention aims to provide a horizontal joint of a prefabricated sandwich heat-insulation outer wall, which comprises an inner leaf plate, a heat-insulation layer and an outer leaf plate, wherein grouting materials are filled between the inner leaf plate, the heat-insulation layer and the outer leaf plate between two adjacent prefabricated sandwich heat-insulation outer walls, a sinking groove with a T-shaped cross section is formed in one side, away from the heat-insulation layer, of the outer leaf plate of each two adjacent prefabricated sandwich heat-insulation outer walls along a splicing joint, a sealing block fixedly matched with the sinking groove is filled in the sinking groove, the sealing block is made of PC materials, and a sealing piece used for shielding the sealing block is fixedly arranged on one side, away from the heat-insulation layer, of the outer leaf plate.
Through the technical scheme, the PC is polycarbonate for short, and has higher strength, heat resistance and cold resistance, and the PC material is selected as the sealing block to block the sinking groove between two adjacent prefabricated sandwich heat-insulation outer walls, so that the horizontal joint between the two adjacent prefabricated sandwich heat-insulation outer walls is blocked, the possibility that the wall body is subjected to water seepage and corrosion when the grouting material is directly blocked through the grouting material and the water seepage phenomenon occurs and the heat-insulation effect is poor is reduced, and the whole heat-insulation effect of the prefabricated sandwich heat-insulation outer wall is favorably enhanced.
The invention is further configured to: the sealing piece comprises a sealing plate, the sealing plate is in a shape of a letter 21274, two ends of the sealing plate are fixedly connected with sliding blocks, one end, facing the sealing plate, of the outer leaf plate is provided with a sliding groove matched with the sliding blocks, the sliding blocks are connected in a sliding mode and embedded in the sliding groove, the sealing plate is provided with a glue injection port, and a sealing glue is filled between the sealing plate and the outer leaf plate.
Through the technical scheme, the sealing plate is arranged, the external plugging effect is achieved on the splicing seam between the two adjacent outer panels, the sealing effect is enhanced through the sealant, and the possibility that rainwater seeps into the space between the two adjacent outer panels in rainy days to cause the thermal insulation effect of the prefabricated sandwich thermal insulation outer wall to be poor is reduced.
The invention is further configured to: and a waterproof adhesive tape is jointly bonded at the joint of the closing plate and the outer leaf plate on one side of the closing plate, which is far away from the outer leaf plate.
Through the technical scheme and the arrangement of the waterproof adhesive tape, the splicing seam between the closing plate and the outer leaf plate is blocked, and the effect of further preventing seepage is achieved.
The invention is further configured to: one side of the sealing plate, which is far away from the outer leaf plate, is provided with a water guide channel.
Through the technical scheme, when raining, rainwater can flow down along the water guiding channel on the sealing plate quickly, the water guiding effect is achieved, rainwater can be drained away quickly, the time of the rainwater staying on the surface of the sealing plate is shortened, and therefore the possibility of erosion of the rainwater on the waterproof adhesive tape and the sealing plate is reduced.
The invention is further configured to: and a heat insulation layer is fixedly arranged between the grouting material and the sealing block in the outer leaf plate and the heat insulation layer, the heat insulation layer is made of an aluminum silicate heat insulation material, and one side of the sealing block, facing the heat insulation layer, is in contact with the heat insulation layer.
Through the technical scheme, the aluminum silicate heat-insulating material is also called aluminum silicate composite heat-insulating coating, is a novel environment-friendly wall heat-insulating material, and has good heat-insulating performance. The arrangement of the heat insulation layer forms a layer of heat insulation barrier in the horizontal joint of the prefabricated sandwich heat insulation outer wall, so that the possibility of heat bridge phenomenon of the horizontal joint of the prefabricated sandwich heat insulation outer wall is reduced, and the heat insulation effect of the prefabricated sandwich heat insulation outer wall is improved. Meanwhile, the aluminum silicate heat-insulating material also has a good sound-insulating effect, so that the heat-insulating effect of the prefabricated sandwich heat-insulating outer wall is enhanced.
The invention is further configured to: the geotechnical cloth is fixedly arranged between the grouting material and the heat-insulating layer, the two ends of the geotechnical cloth are fixedly connected with the insertion rods, and the insertion grooves for the insertion rods to be inserted are formed in one side, opposite to the two adjacent heat-insulating layers, of each geotechnical cloth.
According to the technical scheme, the geotextile, also called geotextile, is a water-permeable geosynthetic material which is formed by needling or weaving synthetic fibers, and has good strength, tensile resistance and isolation effect. The geotextile is arranged between the grouting material and the heat-insulating layer, so that the grouting material and the heat-insulating layer are isolated, the possibility of deformation of the horizontal joint of the prefabricated sandwich heat-insulating outer wall due to external force is reduced, and the integral structural strength of the prefabricated sandwich heat-insulating outer wall is enhanced.
The invention is further configured to: one side of each two adjacent inner leaf plates, which is far away from the heat insulation layer, is provided with a groove along the joint, and a weather-resistant adhesive layer is arranged in each groove.
Through the technical scheme, the weather-resistant adhesive has excellent weather resistance, good physical stability and good sealing effect on the splicing seams of the two adjacent inner leaf plates, so that the possibility of exchanging heat through the splicing seams of the two adjacent inner leaf plates is reduced, and the heat insulation effect of the horizontal seam of the prefabricated sandwich heat-insulation outer wall is further enhanced.
The invention also aims to provide a construction step of the horizontal joint of the prefabricated sandwich heat-insulation outer wall, which comprises the following steps:
the first step is that: splicing the two prefabricated sandwich heat-insulation outer walls up and down correspondingly, and filling the grooves between the two adjacent inner leaf plates with weather-resistant glue to form weather-resistant glue layers;
secondly, the following steps: jointing weather-resistant glue layers to the middle parts of two adjacent prefabricated sandwich heat-insulation outer walls, and filling grouting materials, and correspondingly inserting the two ends of the geotextile into the insertion grooves of the two adjacent heat-insulation layers, wherein the grouting materials are abutted against one side of the geotextile;
the third step is: filling an aluminum silicate heat-insulating material between two adjacent prefabricated sandwich heat-insulating outer walls and on one side of the geotextile, which is far away from the grouting material, to form a heat-insulating layer, filling, clamping and filling a sealing block in a sinking groove between the two adjacent prefabricated sandwich heat-insulating outer walls, and sealing and blocking a splicing seam between the two adjacent prefabricated sandwich heat-insulating outer walls;
the fourth step: and (3) correspondingly sliding a sliding block on the v-shaped sealing plate into sliding grooves on the outer leaves of the two prefabricated sandwich heat-insulation outer walls, so that the sealing plate shields the splicing seams between the two adjacent outer leaves, injecting sealant between the sealing plate and the outer leaves, and jointly bonding waterproof adhesive tapes at the seams of the sealing plate and the outer leaves for plugging.
Through the technical scheme, the inner leaf plates and the outer leaf plates of two adjacent prefabricated sandwich heat-insulation outer walls are respectively plugged through the weather-resistant glue layers and the sealing blocks, the middle parts of the inner leaf plates and the outer leaf plates are filled with the grouting materials and the heat-insulation layer, and the horizontal seams of the prefabricated sandwich heat-insulation outer walls have a multi-plugging effect, so that the possibility that the heat-insulation effect is poor due to the water seepage phenomenon is favorably reduced.
In conclusion, the invention has the following beneficial effects:
1. the plugging effect of the horizontal joint of the prefabricated sandwich heat-insulation outer wall is enhanced, so that the possibility of thermal bridge and poor heat insulation effect at the horizontal joint of the prefabricated sandwich heat-insulation outer wall due to water seepage at the horizontal joint of the prefabricated sandwich heat-insulation outer wall is reduced, and the heat insulation effect of the prefabricated sandwich heat-insulation outer wall is improved;
2. the arrangement of the heat insulation layer further enhances the heat insulation effect of the horizontal joint of the prefabricated sandwich heat insulation outer wall.
Drawings
FIG. 1 is a sectional view of a horizontal joint for embodying a prefabricated sandwich insulation exterior wall in the present embodiment.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. an inner leaf plate; 11. a groove; 111. a weather-resistant glue layer; 2. a heat-insulating layer; 21. inserting grooves; 3. an outer sheet; 31. sinking a groove; 32. a sealing block; 33. a closure; 331. a closing plate; 3311. a slider; 3312. a glue injection port; 3313. sealing glue; 3314. a water guiding ditch; 34. a chute; 35. a waterproof adhesive tape; 4. grouting material; 5. a heat insulation layer; 6. geotextile; 61. and (4) inserting the rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, the prefabricated sandwich heat-insulation outer wall horizontal joint and the construction steps thereof disclosed by the invention are characterized in that the prefabricated sandwich heat-insulation outer wall comprises inner leaf plates 1, a heat-insulation layer 2 and outer leaf plates 3, wherein grooves 11 are formed in the joint of one side of each two adjacent inner leaf plates 1, which is far away from the heat-insulation layer 2, during construction, the two prefabricated sandwich heat-insulation outer walls are correspondingly spliced up and down at first, weather-resistant glue is used for filling the grooves 11 between the two adjacent inner leaf plates 1 to form a weather-resistant glue layer 111, and the horizontal joint of the prefabricated sandwich heat-insulation outer wall is plugged from the inner side through the weather.
Referring to fig. 1 and 2, then, the middle part laminating of two adjacent prefabricated sandwich heat preservation outer walls is being weathered glue layer 111 and is being filled grouting material 4, install geotechnological cloth 6's both ends between two adjacent heat preservation 2 again, inserting groove 21 has all been seted up to two adjacent heat preservation 2 relative one sides, geotechnological cloth 6's both ends have all been bonded and have inserted bar 61, the operator corresponds the inserting groove 21 of pegging graft with inserted bar 61 in, make geotechnological cloth 6 fixed mounting in two adjacent heat preservation 2, grouting material 4 solidifies the back and is inconsistent with geotechnological cloth 6 one side.
Referring to fig. 1 and 2, next, an operator fills an aluminum silicate thermal insulation material between two adjacent prefabricated sandwich thermal insulation outer walls and on one side of the geotextile 6, which is far away from the grouting material 4, and forms a thermal insulation layer 5 in two adjacent outer leaf plates 3 and the thermal insulation layer 2, and the grouting material 4 is separated from the thermal insulation layer 5 by the geotextile 6. The aluminum silicate heat-insulating material is also called aluminum silicate composite heat-insulating coating, is a novel environment-friendly wall heat-insulating material, has good heat-insulating property, and is beneficial to enhancing the heat-insulating effect of the horizontal joint of the prefabricated sandwich heat-insulating outer wall due to the arrangement of the heat-insulating layer 5.
Referring to fig. 1 and 2, a sunk groove 31 is formed in one side, away from the heat preservation layer 2, of the outer leaf plates 3 of the two adjacent prefabricated sandwich heat preservation outer walls along the splicing seam, and the cross section of the sunk groove 31 is T-shaped. And then, in the above construction step, an operator correspondingly clamps the sealing block 32 made of a PC material in the sinking groove 31, and at the moment, the sealing block 32 is abutted against one side of the heat-insulating layer 5 departing from the grouting material 4, so that the horizontal joint of the prefabricated sandwich heat-insulating outer wall is blocked from the outer side, the possibility that the horizontal joint of the prefabricated sandwich heat-insulating outer wall has water seepage from the outer side and the heat-insulating effect of the prefabricated sandwich heat-insulating outer wall is poor is reduced, and the whole heat-insulating effect of the prefabricated sandwich heat-insulating outer wall is enhanced.
Referring to fig. 1 and 2, a sealing member 33 for shielding the sealing block 32 is fixedly arranged on one side of the outer leaf 3 away from the insulating layer 2, the sealing member 33 comprises a v-21274, sliding blocks 3311 are adhered to both ends of the sealing plate 331, and a sliding groove 34 matched with the sliding blocks 3311 is formed in one end of the outer leaf 3 facing the sealing plate 331. During installation, the slider 3311 on the closing plate 331 is correspondingly slid into the sliding groove 34 on the outer leaf 3 of two adjacent prefabricated sandwich heat-insulation outer walls by an operator, so that the closing plate 331 shields the splicing seam between the two adjacent outer leaf 3, the sealing glue port 3312 is formed in the closing plate 331, the sealant 3313 is injected between the closing plate 331 and the outer leaf 3 by the operator through the glue port 3312, the sealing effect is achieved at the joint of the two adjacent outer leaf 3, and then the waterproof adhesive tape 35 is adhered to the joint of the closing plate 331 and the outer leaf 3 for sealing.
With reference to fig. 1 and 2, the arrangement is favorable for reducing the possibility that rainwater permeates from the joint of the closing plate 331 and the outer leaf plate 3 to the inside of the outer leaf plate 3 in rainy days, so that an anti-seepage effect is achieved, and meanwhile, the closing plate 331 and the sealant 3313 also achieve the anti-seepage effect on the splicing seam of two adjacent outer leaf plates 3, so that the phenomenon of thermal bridge at the horizontal joint of the prefabricated sandwich heat-insulation outer wall caused by water seepage is reduced, and the heat-insulation effect of the horizontal joint of the prefabricated sandwich heat-insulation outer wall is improved. The closing plate 331 is provided with a water guiding ditch 3314 at one side departing from the outer leaf plate 3, which can guide rainwater, so that the rainwater can be conveniently and quickly drained along the water guiding ditch 3314.
The implementation principle of the embodiment is as follows: the weather-resistant glue layer 111, the grouting material 4, the heat-insulating layer 5 and the sealing block 32 are additionally arranged among the horizontal joints of the prefabricated sandwich heat-insulating outer wall for plugging, so that the possibility of water seepage phenomenon among the horizontal joints of the prefabricated sandwich heat-insulating outer wall is reduced. Meanwhile, the sealing piece 33 is arranged at the splicing seams of the two adjacent outer leaves 3 to seal and block the splicing seams, so that the effect of further preventing seepage is achieved, and the sealing effect and the heat preservation and insulation effect at the horizontal seams of the prefabricated sandwich heat preservation outer wall are favorably enhanced.
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 (6)
1. The utility model provides a prefabricated sandwich heat preservation outer wall horizontal joint, prefabricated sandwich heat preservation outer wall includes interior page or leaf board (1), heat preservation (2), outer page or leaf board (3), its characterized in that: grouting materials (4) are filled among the inner leaf plates (1), the heat-insulating layers (2) and the outer leaf plates (3) between two adjacent prefabricated sandwich heat-insulating outer walls, a sinking groove (31) with a T-shaped cross section is formed in one side, away from the heat-insulating layers (2), of the outer leaf plates (3) of the two adjacent prefabricated sandwich heat-insulating outer walls along a splicing seam, a sealing block (32) fixedly matched with the sinking groove (31) is filled in the sinking groove (31), the sealing block (32) is made of a PC material, and a sealing piece (33) used for shielding the sealing block (32) is fixedly arranged on one side, away from the heat-insulating layers (2), of the outer leaf plates (3);
the sealing piece (33) comprises a sealing plate (331), the sealing plate (331) is of a shape of a letter 21274, sliding blocks (3311) are fixedly connected to two ends of the sealing plate (331), a sliding groove (34) matched with the sliding blocks (3311) is formed in one end, facing the sealing plate (331), of the outer leaf plate (3), the sliding blocks (3311) are connected in a sliding mode and embedded in the sliding groove (34), a glue injection port (3312) is formed in the sealing plate (331), and a sealing glue (3313) is filled between the sealing plate (331) and the outer leaf plate (3);
one side of each two adjacent inner leaf plates (1) departing from the heat-insulating layer (2) is provided with a groove (11) along the joint, and a weather-resistant adhesive layer (111) is arranged in each groove (11).
2. The horizontal joint of prefabricated sandwich thermal-insulation exterior wall as claimed in claim 1, wherein: and a waterproof adhesive tape (35) is bonded on one side of the closing plate (331) departing from the outer leaf plate (3) at the joint of the closing plate (331) and the outer leaf plate (3) together.
3. The horizontal joint of prefabricated sandwich thermal-insulation exterior wall as claimed in claim 1 or 2, wherein: one side of the closing plate (331) departing from the outer leaf plate (3) is provided with a water guiding ditch (3314).
4. The horizontal joint of prefabricated sandwich thermal-insulation exterior wall as claimed in claim 1, wherein: the heat insulation layer (5) is fixedly arranged between the grouting material (4) and the sealing block (32) in the outer leaf plate (3) and the heat insulation layer (2), the heat insulation layer (5) is made of aluminum silicate heat insulation material, and one side, facing the heat insulation layer (5), of the sealing block (32) is in contact with the heat insulation layer (5).
5. The horizontal joint of prefabricated sandwich thermal-insulation exterior wall as claimed in claim 4, wherein: geotextile (6) have set firmly between grout material (4) and thermal insulation layer (5), the equal rigid coupling in both ends of geotextile (6) has inserted bar (61), and inserting groove (21) that confession inserted bar (61) was pegged graft are all seted up to two adjacent heat preservation (2) relative one sides.
6. The construction process of the horizontal joint of the prefabricated sandwich thermal-insulation outer wall as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
the first step is that: the two prefabricated sandwich heat-insulation outer walls are correspondingly spliced up and down, and the groove (11) between two adjacent inner leaf plates (1) is filled with weather-resistant glue to form a weather-resistant glue layer (111);
secondly, the following steps: the middle parts of two adjacent prefabricated sandwich heat-insulation outer walls are attached with weather-resistant glue layers (111) and are filled with grouting materials (4), then two ends of the geotextile (6) are correspondingly inserted into the insertion grooves (21) of two adjacent heat-insulation layers (2), and the grouting materials (4) are abutted against one side of the geotextile (6);
the third step is: filling an aluminum silicate heat-insulating material between two adjacent prefabricated sandwich heat-insulating outer walls and on one side of the geotextile (6) departing from the grouting material (4) to form a heat-insulating layer (5), then filling, clamping and filling a sealing block (32) in a sinking groove (31) between two adjacent prefabricated sandwich heat-insulating outer walls, and sealing and blocking a splicing seam between the two adjacent prefabricated sandwich heat-insulating outer walls;
the fourth step: the utility model discloses a construction method of a sandwich heat-insulation outer wall, which comprises the steps of correspondingly sliding a sliding block (3311) on a v-21274h-shaped closing plate (331) into a sliding groove (34) on outer leaves (3) of two prefabricated sandwich heat-insulation outer walls, enabling the closing plate (331) to shield splicing seams between two adjacent outer leaves (3), then injecting sealant (3313) between the closing plate (331) and the outer leaves (3), and jointly bonding a waterproof adhesive tape (35) at the seams of the closing plate (331) and the outer leaves (3) for plugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160630.4A CN110905091B (en) | 2019-11-23 | 2019-11-23 | Horizontal joint of prefabricated sandwich heat-insulation outer wall and construction steps thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160630.4A CN110905091B (en) | 2019-11-23 | 2019-11-23 | Horizontal joint of prefabricated sandwich heat-insulation outer wall and construction steps thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110905091A CN110905091A (en) | 2020-03-24 |
| CN110905091B true CN110905091B (en) | 2021-06-11 |
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| CN201911160630.4A Active CN110905091B (en) | 2019-11-23 | 2019-11-23 | Horizontal joint of prefabricated sandwich heat-insulation outer wall and construction steps thereof |
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| CN111379338B (en) * | 2020-03-25 | 2021-05-11 | 广东现代建筑设计与顾问有限公司 | Waterproof structure of assembled high-rise building outer wall |
| CN112012358A (en) * | 2020-09-18 | 2020-12-01 | 广东建诚监理咨询有限公司 | Leakage-proof structure for outer wall of prefabricated building |
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2019
- 2019-11-23 CN CN201911160630.4A patent/CN110905091B/en active Active
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