CN218437565U - Low-energy-consumption heat insulation structure for outer wall plate gap under building roof plate - Google Patents
Low-energy-consumption heat insulation structure for outer wall plate gap under building roof plate Download PDFInfo
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- CN218437565U CN218437565U CN202222462982.9U CN202222462982U CN218437565U CN 218437565 U CN218437565 U CN 218437565U CN 202222462982 U CN202222462982 U CN 202222462982U CN 218437565 U CN218437565 U CN 218437565U
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Abstract
Outer wallboard gap insulation construction under low energy consumption building roof boarding relates to the insulation waterproof construction in outer wallboard gap under the assembly type building roof boarding. Comprises an assembled superposed roof (2) and an assembled ALC wallboard (3); a PE rod (6) is arranged in the middle of a transverse mounting gap between the assembled superposed roof and the assembled ALC wallboard, a polyurethane foaming agent (5) is filled in the mounting gap on the inner side of the PE rod, and a silicone sealant (7) is filled in the mounting gap on the outer side of the PE rod; and glass fiber gridding cloth (8) is adhered to the wall body on the outer side of the mounting gap, and an outdoor plastering layer (9) is arranged on the outer side of the glass fiber gridding cloth. The problems of poor water permeability and heat insulation between the laminated roof and the assembled ALC wallboard of the assembled building are solved.
Description
Technical Field
The utility model relates to an assembly building construction field, concretely relates to heat preservation waterproof construction in side fascia gap under assembly type structure roof boarding.
Background
The so-called low energy consumption building, namely energy-saving and green building, is proposed by the Ministry of construction, namely the thirteen-five planning of building energy-saving and green building development: promotes the development of building energy conservation and green buildings, and is an effective means for promoting energy conservation, emission reduction and coping with climate change. A passive ultra-low energy consumption and near-zero energy consumption building technical system is one of key technical directions of building energy conservation and green buildings. The fabricated building has more slab joints and the passive building requires high air tightness, the fabricated building is easy to generate a heat bridge, the passive building requires high heat insulation performance and no cold and hot bridge, and higher technical difficulty is caused to the design and construction of the fabricated passive ultra-low energy consumption building.
There is very big clearance between the coincide roofing of present assembly type structure and the assembled ALC wallboard, adopts the foaming adhesive to seal during the construction generally, receives vibration foaming adhesive can the fracture, the problem of permeating water appears, and the heat insulating ability is also not good moreover.
SUMMERY OF THE UTILITY MODEL
The utility model provides an outer wallboard gap insulation construction under low energy consumption building roof boarding, it has solved the coincide roofing of assembly type structure and has permeated water between assembled ALC wallboard and the bad scheduling problem of heat preservation.
In order to solve the above problems, the utility model adopts the following technical scheme: the heat-insulating structure for the gap of the lower outer wallboard of the low-energy-consumption building roof board comprises an assembled superposed roof 2 and an assembled ALC wallboard 3; a PE rod 6 is arranged in the middle of a transverse mounting gap between the assembled superposed roof 2 and the assembled ALC wallboard 3, a polyurethane foaming agent 5 is filled in the mounting gap on the inner side of the PE rod 6, and a silicone sealant 7 is filled in the mounting gap on the outer side of the PE rod 6; and a glass fiber mesh cloth 8 is adhered to the wall body outside the mounting gap, and an outdoor plastering layer 9 is arranged outside the glass fiber mesh cloth 8.
Further, the diameter of the PE rod 6 is 1.1 to 1.15 times the diameter of the mounting gap.
Furthermore, a steel frame beam 4 is arranged on the indoor side of the assembled superposed roof 2 and the indoor side of the assembled ALC wallboard 3, and fireproof heat-insulation plates 10 are arranged on the side face and the bottom face of the steel frame beam 4.
The utility model discloses the advantage: 1. adopt the PE stick of compressed to set up and realized high gas tightness and heat insulating ability in the middle of the horizontal installation gap between assembled coincide roofing and assembled ALC wallboard, rethread polyurethane foaming agent and silicone sealant will install the gap and all seal, prevent to deposit water, and the phenomenon of leaking can not appear in long-time use, improves thermal insulation performance.
2. The fireproof heat-insulation plate is coated outside the indoor steel frame beam, so that heat-bridge-free treatment is implemented, and the heat-insulation performance is ensured.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a partially enlarged view at I of fig. 1.
The symbols in the drawings illustrate that: parapet 1, assembled coincide roofing 2, assembled ALC wallboard 3, steel frame roof beam 4, polyurethane foaming agent 5, PE stick 6, silicone sealant 7, glass fiber net check cloth 8, outdoor plastering layer 9, fireproof insulation board 10, indoor plastering layer 11.
Detailed Description
The present invention will be described in detail with reference to the preferred embodiments.
As shown in fig. 1-2, the low-energy-consumption building roof panel lower external wall panel gap thermal insulation structure comprises an assembled superposed roof 2 and an assembled ALC wall panel 3; the PE rod 6 is arranged in the middle of the transverse installation gap between the assembled type superposed roof 2 and the assembled type ALC wallboard 3, the PE rod is arranged along the length direction of the installation gap, the PE rods are connected end to end, and the installation gap is completely sealed along the length direction. The PE rod 6 is a hard tool such as a steel rod and the like and is inserted into the installation gap from the outer side, the diameter of the PE rod 6 is 1.1-1.15 times of that of the installation gap, and the PE rod 6 is extruded in the installation gap and is tightly contacted with the installation gap to play a role in sealing. A polyurethane foaming agent 5 is filled in the mounting gap on the inner side of the PE rod 6, and a silicone sealant 7 is filled in the mounting gap on the outer side of the PE rod 6, so that water is prevented from being stored in the mounting gap. The glass fiber gridding cloth 8 is adhered to the wall body on the outer side of the installation gap, the outdoor plastering layer 9 is arranged on the outer side of the glass fiber gridding cloth 8, and the fiber gridding cloth can prevent the installation gap from cracking.
And the steel frame beam 4 is arranged on the indoor side of the top ends of the assembled superposed roof 2 and the assembled ALC wallboard 3, and the steel frame beam 4 is formed by pouring concrete on an I-shaped steel support. The side face and the bottom face of the steel frame beam 4 are provided with fireproof heat-insulation boards 10, the fireproof heat-insulation boards 10 are fixed on the steel frame beam 4 through steel nails, the surface of each fireproof heat-insulation board 10 is an indoor plastering layer 11, and the indoor plastering layer 11 is connected with a plastering layer of an indoor ceiling and a wall body.
The utility model discloses realized high gas tightness, high thermal insulation performance simultaneously in the side fascia gap under the roof boarding, accord with the technical requirement of the ultralow energy consumption of passive form and assembly type structure's the construction requirement.
The construction method comprises the following steps: after the roof panel construction is completed, the installation of the lower outer wall panel of the mounting plate can be started, and the ALC outer wall panel is installed in an ALC (autoclaved lightweight concrete) assembling mode and is fixedly connected with angle steel and a steel frame beam through hook bolts. The air tightness of the gap is a key construction point because the passive ultra-low energy consumption building has higher requirement on air tightness and the assembly type building can inevitably leave some installation gaps due to the construction process, the transverse installation gap between the ALC wallboard and the roof panel adopts a processing method of five processes including polyurethane foaming agent filling, PE rod filling, silicone sealant blocking, alkali-resistant glass fiber mesh cloth and external plastering from inside to outside, and then the subsequent processes of plastering and leveling, staggered joint laying of double-layer insulation boards and the like are sequentially carried out on the outdoor side of the outer wall; because indoor partial steel frame roof beam and roof boarding, ALC outer wall handing-over and steel construction coefficient of heat conductivity is great, the no heat bridge at handing-over position handles to be key construction main points, and the girder steel adopts S50 fire prevention heated board parcel and plasters, has both guaranteed indoor gas tightness, has ensured the heat insulating ability again.
Claims (3)
1. A low-energy-consumption building roof panel lower external wall panel gap heat insulation structure comprises an assembled superposed roof (2) and an assembled ALC (autoclaved lightweight concrete) wall panel (3); the building block is characterized in that a PE rod (6) is arranged in the middle of a transverse installation gap between the assembled superposed roof (2) and the assembled ALC wallboard (3), a polyurethane foaming agent (5) is filled in the installation gap on the inner side of the PE rod (6), and a silicone sealant (7) is filled in the installation gap on the outer side of the PE rod (6); and glass fiber gridding cloth (8) is adhered to the wall body on the outer side of the mounting gap, and an outdoor plastering layer (9) is arranged on the outer side of the glass fiber gridding cloth (8).
2. The low-energy-consumption building roof panel lower external wall panel gap thermal insulation structure as claimed in claim 1, wherein the diameter of the PE rod (6) is 1.1-1.15 times of that of the installation gap.
3. The low-energy-consumption building roof panel lower outer wall panel gap thermal insulation structure is characterized in that steel frame beams (4) are arranged on the indoor sides of the assembled superposed roof (2) and the assembled ALC (3) wall panels, and fireproof thermal insulation plates (10) are arranged on the side faces and the bottom face of each steel frame beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222462982.9U CN218437565U (en) | 2022-09-18 | 2022-09-18 | Low-energy-consumption heat insulation structure for outer wall plate gap under building roof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222462982.9U CN218437565U (en) | 2022-09-18 | 2022-09-18 | Low-energy-consumption heat insulation structure for outer wall plate gap under building roof plate |
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| Publication Number | Publication Date |
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| CN218437565U true CN218437565U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222462982.9U Active CN218437565U (en) | 2022-09-18 | 2022-09-18 | Low-energy-consumption heat insulation structure for outer wall plate gap under building roof plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446518A (en) * | 2023-03-17 | 2023-07-18 | 中电建路桥集团有限公司 | Assembled steel structure building system and energy-saving method thereof |
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2022
- 2022-09-18 CN CN202222462982.9U patent/CN218437565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446518A (en) * | 2023-03-17 | 2023-07-18 | 中电建路桥集团有限公司 | Assembled steel structure building system and energy-saving method thereof |
| CN116446518B (en) * | 2023-03-17 | 2023-11-17 | 中电建路桥集团有限公司 | Assembled steel structure building system and energy-saving method thereof |
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