CN115045403A - Heat-insulating bridge structure of sandwich heat-insulating external wall panel and construction process - Google Patents
Heat-insulating bridge structure of sandwich heat-insulating external wall panel and construction process Download PDFInfo
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- CN115045403A CN115045403A CN202210899094.5A CN202210899094A CN115045403A CN 115045403 A CN115045403 A CN 115045403A CN 202210899094 A CN202210899094 A CN 202210899094A CN 115045403 A CN115045403 A CN 115045403A
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- heat
- aac
- insulating
- insulated
- sandwich
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- 238000010276 construction Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 8
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 239000012774 insulation material Substances 0.000 claims abstract description 23
- 210000003195 fascia Anatomy 0.000 claims abstract description 12
- 239000011810 insulating material Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000005187 foaming Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 8
- 239000011490 mineral wool Substances 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
-
- 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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
-
- 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
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a heat-insulated bridge structure of a sandwich heat-insulated external wall panel, which comprises a floor slab and a wall body supported on the floor slab, wherein the wall body sequentially comprises an AAC internal wall panel, a sandwich heat-insulated material and an AAC external wall panel from inside to outside, high-strength heat-insulated cushion blocks are arranged at the contact positions of the AAC external wall panel and the floor slab at intervals, the heat-insulated material is arranged between the high-strength heat-insulated cushion blocks at intervals, and the AAC external wall panel is supported on the high-strength heat-insulated cushion blocks and the heat-insulated material. Through setting up high strength thermal insulation cushion and insulation material, both satisfied the load demand of AAC wallboard bottom, realized insulation material's continuity again, guaranteed the gas tightness of side fascia bottom simultaneously.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a heat-insulating bridge structure of a sandwich heat-insulating external wall panel and a construction process.
Background
The sandwich heat-insulating external wall panel can effectively prevent the heat-insulating material from falling off, meets the fireproof requirement, and simultaneously delays the aging problem of the heat-insulating material caused by climatic reasons. As a relatively novel wallboard material, the AC external wallboard is gradually popularized in market application of prefabricated buildings, and an AAC sandwich insulation external wallboard system can also be formed by combining the technical direction of sandwich insulation. However, the insulation continuity of the AAC sandwich insulated exterior wall panel at a particular node is difficult to satisfy relative to the insulation continuity of the exterior insulation system, resulting in the formation of a cold bridge, as shown in fig. 3. Because the AAC wallboard at the outer side needs to be placed on the structural plate, the heat insulation material in the middle of the sandwich heat insulation wallboard cannot keep continuity with the heat insulation material at the outer side of the structural plate, a local heat bridge is formed, and the energy-saving requirement cannot be met for buildings with higher energy-saving requirements, such as buildings with near zero energy consumption.
Disclosure of Invention
The invention aims to solve the problems and provides a heat-insulating bridge structure of a sandwich heat-insulating external wall panel and a construction process, which not only meet the load requirement of the bottom of an AAC wallboard, but also realize the continuity of heat-insulating materials.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a disconnected heat bridge structure of sandwich heat preservation side fascia, includes the floor, supports and is in wall body on the floor, the wall body is from interior to exterior includes wallboard, sandwich insulation material and AAC side fascia in AAC in proper order, AAC side fascia and the spaced position interval of floor contact install high-strength thermal insulation cushion, the interval be equipped with insulation material between the high-strength thermal insulation cushion, AAC side fascia supports on high-strength thermal insulation cushion and insulation material.
Further, the high-strength heat insulation cushion block is fixed on the floor slab through the shooting nail.
Further, the heat-insulating material and the high-strength heat-insulating cushion block are caulked through PU foaming glue.
Further, the height of the high-strength heat insulation cushion block is the same as that of the heat insulation material.
Furthermore, a steel beam is arranged at the position, corresponding to the sandwich heat-insulating material, of the bottom of the floor slab.
Further, rock wool is arranged on two sides of the steel beam.
And furthermore, one end of the outer side of the floor slab is made of a high-efficiency heat-insulating material.
A construction process of a heat-insulating bridge structure of a sandwich heat-insulating external wall panel comprises the following steps:
1) the expansion bolt is provided with a lower angle steel;
2) the elastic wire is used for welding the angle steel of the beam part;
3) installing a high-strength heat insulation cushion block on the shooting nail;
4) filling rock wool on the outer side of the beam;
5) installing an outer AAC wallboard and fixing the AAC wallboard by a steel pipe anchor;
6) the gaps of the high-strength heat-insulating cushion blocks are filled with heat-insulating materials and caulked by PU foaming glue;
7) installing a central insulation board in a layered staggered joint manner, and filling board joint foaming glue;
8) installing an inside AAC wallboard and fixing the inside AAC wallboard by a U-shaped card;
9) sticking and plugging bonding mortar into the vacuum heat-insulating plate outdoors;
10) and (6) integral surface layer treatment.
The invention has the beneficial effects that:
1. according to the invention, the high-strength heat insulation cushion block and the heat insulation material are arranged, so that the load requirement of the bottom of the AAC wallboard is met, the continuity of the heat insulation material is realized, and the air tightness of the bottom of the external wallboard is ensured.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic diagram of the prior art.
In the figure: the building comprises a floor slab 1, an AAC inner wall plate 2, a sandwich thermal insulation material 3, an AAC outer wall plate 4, a high-strength thermal insulation cushion block 5, a thermal insulation material 6, a steel beam 7, rock wool 8 and an efficient thermal insulation material 9.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the heat-insulated bridge structure of the sandwich heat-insulating external wall panel and the construction process thereof comprise a floor slab 1 and a wall body supported on the floor slab 1, wherein the wall body sequentially comprises an AAC internal wall panel 2, a sandwich heat-insulating material 3 and an AAC external wall panel 4 from inside to outside, high-strength heat-insulating cushion blocks 5 are arranged at the contact positions of the AAC external wall panel 4 and the floor slab 1 at intervals, heat-insulating materials 6 are arranged between the high-strength heat-insulating cushion blocks 5 at intervals, and the AAC external wall panel 4 is supported on the high-strength heat-insulating cushion blocks 5 and the heat-insulating materials 6.
Firstly, placing high-strength heat-insulating cushion blocks, such as anti-corrosion wood cushion blocks and plastic cushion blocks, on the partition sections of the installation part of the AAC external wall panel, observing the load requirements, reinforcing by using shooting nails, placing heat-insulating materials with the same height between the high-strength heat-insulating cushion blocks, caulking by using PU foaming glue, and after proper arrangement, placing the AAC external wall panel on the high-strength heat-insulating cushion blocks and properly reinforcing.
Through setting up thermal-insulated cushion 5 and insulation material 6 that excels in, both satisfied the load demand of AAC wallboard bottom, realized insulation material's continuity again, guaranteed the gas tightness of side fascia bottom simultaneously.
As shown in fig. 1, the high-strength insulating mat 5 is fixed on the floor slab 1 by a nail.
As shown in figure 2, the heat-insulating material 6 and the high-strength heat-insulating cushion block 5 are caulked through PU foaming adhesive, and the combination of the heat-insulating material and a small amount of PU foaming adhesive can prevent the hidden danger of durability caused by the pure use of the PU foaming adhesive.
As shown in fig. 2, the height of the high-strength insulating block 5 is the same as that of the insulating material 6, so that the leveling of the supporting surface of the AAC external wall panel 4 is ensured.
As shown in fig. 2, a steel beam 7 is arranged at the bottom of the floor slab 1 corresponding to the sandwich heat insulation material 3. 7 both sides of girder steel are equipped with rock wool 8, and the rock wool of girder steel both sides is handled, has increased the median of upper and lower heated board, reduces the conflagration risk.
As shown in fig. 2, a high-efficiency heat insulation material 9 is arranged at one end of the outer side of the floor slab 1.
A construction process of a heat-insulating bridge structure of a sandwich heat-insulating external wall panel comprises the following steps:
1) the expansion bolt is provided with a lower angle steel;
2) the elastic wire is used for welding the angle steel of the beam part;
3) installing a high-strength heat insulation cushion block on the shooting nail;
4) filling rock wool on the outer side of the beam;
5) installing an outer AAC wallboard and fixing the AAC wallboard by a steel pipe anchor;
6) the gaps of the high-strength heat-insulating cushion blocks are filled with heat-insulating materials and caulked by PU foaming glue;
7) installing a central insulation board in a layered staggered joint manner, and filling board joint foaming glue;
8) installing an inside AAC wallboard and fixing the inside AAC wallboard by a U-shaped card;
9) sticking and plugging bonding mortar into the vacuum heat-insulating plate outdoors;
10) and (6) integral surface layer treatment.
Application scenarios: the passive window bottom of heat bridge position such as AAC sandwich heat preservation side fascia bottom, window bottom and AAC sandwich heat preservation side fascia handing-over position generally adopts thermal-insulated attached frame to carry out thermal-insulated processing, but the cost is higher, and this scheme has both solved the bearing problem, uses ordinary insulation material to realize heat preservation disconnected heat bridge again, has very high practicality in passive window field.
Attention should be paid to the dampproofing processing of node position, prevent that thermal-insulated cushion from leading to the hidden danger that intensity reduces and bring because of long-time moist.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (8)
1. The utility model provides a disconnected heat bridge structure of sandwich heat preservation side fascia, includes floor (1), supports wall body on floor (1), the wall body includes wallboard (2), sandwich insulation material (3) and AAC side fascia (4) in AAC from inside to outside in proper order, its characterized in that, AAC side fascia (4) and the position interval of floor (1) contact install high strength thermal insulation cushion (5), the interval be equipped with insulation material (6) between high strength thermal insulation cushion (5), AAC side fascia (4) support on high strength thermal insulation cushion (5) and insulation material (6).
2. The heat-insulated bridge construction of a sandwich thermal-insulated external wall panel according to claim 1, wherein the high-strength insulating blocks (5) are fixed on the floor slab (1) by means of nails.
3. The heat-insulated bridge structure of sandwich thermal-insulated external wall panel according to claim 1, wherein the thermal insulation material (6) and the high-strength thermal insulation block (5) are caulked by PU foam.
4. The heat-insulated bridge cut-off structure of a sandwich thermal-insulation external wall panel according to claim 1, wherein the height of the high-strength thermal-insulation block (5) is the same as that of the thermal-insulation material (6).
5. The heat-insulated bridge construction of sandwich heat-insulating external wall panel according to claim 1, characterized in that the bottom of the floor slab (1) is provided with steel beams (7) at the position corresponding to the sandwich heat-insulating material (3).
6. The heat-insulated bridge construction of sandwich thermal-insulated external wall panel according to claim 1, characterized in that rock wool (8) is provided on both sides of the steel beam (7).
7. The heat-insulated bridge cut-off structure of the sandwich heat-insulated external wall panel as claimed in claim 1, wherein the high-efficiency heat-insulating material (9) is provided at one end of the outer side of the floor (1).
8. The construction process of the heat-insulating bridge structure of the sandwich thermal-insulation external wall panel, which is described in any one of the 1-7, is characterized by comprising the following steps:
1) the expansion bolt is provided with a lower angle steel;
2) the elastic wire is used for welding the angle steel of the beam part;
3) installing a high-strength heat insulation cushion block on the shooting nail;
4) filling rock wool on the outer side of the beam;
5) installing an outer AAC wallboard and fixing the AAC wallboard by a steel pipe anchor;
6) the gaps of the high-strength heat-insulating cushion blocks are filled with heat-insulating materials and caulked by PU foaming glue;
7) installing a central insulation board in a layered staggered joint manner, and filling board joint foaming glue;
8) installing an inner AAC wallboard and fixing the inner AAC wallboard by using a U-shaped card;
9) sticking and plugging bonding mortar into the vacuum heat-insulating plate outdoors;
10) and (6) integral surface layer treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210899094.5A CN115045403A (en) | 2022-07-28 | 2022-07-28 | Heat-insulating bridge structure of sandwich heat-insulating external wall panel and construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210899094.5A CN115045403A (en) | 2022-07-28 | 2022-07-28 | Heat-insulating bridge structure of sandwich heat-insulating external wall panel and construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115045403A true CN115045403A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210899094.5A Pending CN115045403A (en) | 2022-07-28 | 2022-07-28 | Heat-insulating bridge structure of sandwich heat-insulating external wall panel and construction process |
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| CN (1) | CN115045403A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204199456U (en) * | 2014-11-19 | 2015-03-11 | 山东万事达建筑钢品股份有限公司 | A kind of for Anti-cold bridge node at the bottom of industrial premises plate |
| CN205742545U (en) * | 2016-07-13 | 2016-11-30 | 四川省建筑设计研究院 | Side fascia and the connection protecting device of girder steel in a kind of assembling type steel structure house |
| CN211080686U (en) * | 2019-10-12 | 2020-07-24 | 江苏远瀚建筑设计有限公司 | Sandwich heat-insulating external wall panel mounting joint filling structure |
| CN111472474A (en) * | 2020-05-28 | 2020-07-31 | 安能绿色建筑科技有限公司 | Be applied to bridge cut-off structure of cornicing of ultralow energy consumption building |
| WO2021253808A1 (en) * | 2020-06-15 | 2021-12-23 | 吴淑环 | Building technique for low-carbon society in high-technology era |
| CN215670260U (en) * | 2021-06-04 | 2022-01-28 | 上海克络蒂材料科技发展有限公司 | Steel construction assembled ultralow energy consumption building thermal insulation wall |
-
2022
- 2022-07-28 CN CN202210899094.5A patent/CN115045403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204199456U (en) * | 2014-11-19 | 2015-03-11 | 山东万事达建筑钢品股份有限公司 | A kind of for Anti-cold bridge node at the bottom of industrial premises plate |
| CN205742545U (en) * | 2016-07-13 | 2016-11-30 | 四川省建筑设计研究院 | Side fascia and the connection protecting device of girder steel in a kind of assembling type steel structure house |
| CN211080686U (en) * | 2019-10-12 | 2020-07-24 | 江苏远瀚建筑设计有限公司 | Sandwich heat-insulating external wall panel mounting joint filling structure |
| CN111472474A (en) * | 2020-05-28 | 2020-07-31 | 安能绿色建筑科技有限公司 | Be applied to bridge cut-off structure of cornicing of ultralow energy consumption building |
| WO2021253808A1 (en) * | 2020-06-15 | 2021-12-23 | 吴淑环 | Building technique for low-carbon society in high-technology era |
| CN215670260U (en) * | 2021-06-04 | 2022-01-28 | 上海克络蒂材料科技发展有限公司 | Steel construction assembled ultralow energy consumption building thermal insulation wall |
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