CN113389329B - Gap cold bridge prevention structure of steel frame roof panel and construction method thereof - Google Patents
Gap cold bridge prevention structure of steel frame roof panel and construction method thereof Download PDFInfo
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- CN113389329B CN113389329B CN202110819597.2A CN202110819597A CN113389329B CN 113389329 B CN113389329 B CN 113389329B CN 202110819597 A CN202110819597 A CN 202110819597A CN 113389329 B CN113389329 B CN 113389329B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 55
- 238000009413 insulation Methods 0.000 claims description 30
- 239000004570 mortar (masonry) Substances 0.000 claims description 29
- 238000002955 isolation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000003487 anti-permeability effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 11
- 230000000994 depressogenic effect Effects 0.000 description 7
- 239000012774 insulation material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1662—Inverted roofs or exteriorly insulated roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a gap cold bridge prevention structure of steel frame roof panels and a construction method thereof. The interval before the replacement welds the hunch and supports the excellent structure of heat preservation, reduces the process flow of caulking, improves the efficiency of construction, because the structural design of big end down in cold bridge gap in addition, when preventing roof boarding expend with heat and contract with cold, can also effectively weaken indoor outer heat exchange. The cold bridge seam structure and the construction method for filling the seam effectively avoid the cold bridge phenomenon and improve the construction efficiency and quality.
Description
Technical Field
The invention relates to the technical field of roof panel construction, in particular to a gap cold bridge prevention structure of a steel frame roof panel and a construction method thereof.
Background
The steel frame light roof board is a board capable of directly bearing roof load, is positioned on the roof of a house and is generally formed by compounding a profile steel frame, a steel bar framework, a light concrete heat-insulating core material and a ceramsite concrete upper surface layer and a ceramsite concrete lower surface layer. Has the characteristics of light weight, bearing, heat preservation, heat insulation and the like. In the construction process, referring to a national building standard design reference drawing set of steel frame light roof panels, after the installation and welding of the steel frame light roof panels are completed, the joints between the panels need to be cleaned, and because the splicing height of the steel frame light roof net frame plate in the standard design is only 40mm, adhesive tape and glass fiber net cloth are paved on the bottom surfaces of the splicing joints, then 1:3 cement mortar is smeared to be level with the panel surfaces of the steel frame light roof panels, and then a layer of external waterproof is paved.
In the building, because the difference of indoor and outdoor temperature is great, the cold air combines with hot-air and forms water smoke and adsorbs in the wall body after getting into the house, just can appear the house moist, moldy "cold bridge" phenomenon. Therefore, the construction of the steel frame light roof panel needs to be finished with a heat insulation layer, water vapor is eliminated, and no cold bridge exists between the indoor wall and the outdoor wall.
Disclosure of Invention
The invention aims to provide a gap cold-bridge-prevention structure of a steel frame roof panel and a construction method thereof, and aims to solve the problems of complex and troublesome process, low construction speed, poor heat insulation effect and unsatisfactory cold-bridge-prevention effect during gap filling treatment of the steel frame roof panel.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a cold bridge structure is prevented in steel frame roof boarding's gap, includes steel frame roof boarding, two form big-end-up's cold bridge gap between the end rib that steel frame roof boarding set up relatively, the cold bridge gap is provided with the throat portion, the throat portion intussuseption is filled with the heat preservation stick, the main rib at steel frame roof boarding top is provided with the depressed part, be provided with in the depressed part and be used for sealing the heated board in cold bridge gap, evenly fill in the depressed part has and covers the heat preservation mortar layer of heated board, the heat preservation mortar layer with steel frame roof boarding coats and is stamped waterproofing membrane.
The further technical scheme is as follows: an air isolation area is formed between the heat preservation rod and the heat preservation plate.
The further technical scheme is as follows: and an anti-cracking steel wire mesh embedded in the thermal insulation mortar layer is arranged in the recessed part.
The further technical scheme is as follows: the heat preservation plate with be provided with the backup pad between the heat preservation stick, the heat preservation board, the heat preservation stick with the backup pad is the polyethylene material and makes.
The further technical scheme is as follows: the width of the cold bridge gap above the necking part is controlled to be between 1cm and 4 cm.
The further technical scheme is as follows: in the cold bridge gap the throat portion is close to the lower part setting of steel frame roof boarding, throat portion department is provided with prevents the gliding barb of insulating bar.
A gap cold bridge prevention construction method of a steel frame roof panel comprises the following steps:
s1, leveling and aligning two steel frame roof panels to form the cold bridge gap;
s2, cleaning the cold bridge gap, and filling a heat-insulating rod into the lower layer of the cold bridge gap, wherein the diameter of the heat-insulating rod is larger than the width of the necking part;
s3, paving a layer of insulation board with the thickness of at least 2cm on the upper surface of the main rib, and forming the air isolation area between the insulation board and the insulation rod;
s4, filling flexible heat-insulating materials in the air isolation area until the flexible heat-insulating materials respectively abut against the heat-insulating plate and the heat-insulating rod;
s5, uniformly filling a heat preservation mortar layer covering the heat preservation plate in the concave part, and trowelling the heat preservation mortar layer, wherein the heat preservation mortar layer is 2-3 cm;
and S6, making a roof leveling layer on the heat-insulating mortar layer, drying the roof leveling layer, making a cement-based composite anti-permeability coating, and paving the waterproof coiled material.
Compared with the prior art, the invention has the beneficial effects that:
the gap cold bridge prevention structure of the steel frame roof panel provided by the invention has the advantages that the end face forming structure of the steel frame roof panel is changed, the end ribs arranged oppositely on the two steel frame roof panels are aligned to automatically form a cold bridge gap with a large top and a small bottom, the heat insulation rod is arranged at the necking part of the cold bridge gap, the previous gap welding arch abutting heat insulation rod structure is replaced, the gap filling process flow is reduced, the construction efficiency is improved, in addition, due to the structural design of the large top and the small bottom of the cold bridge gap, the roof panel is prevented from expanding with heat and contracting with cold, and meanwhile, the indoor and outdoor heat exchange can be effectively weakened.
The invention provides a gap construction method of a steel frame roof panel, which is characterized in that a heat insulation rod is filled in a cold bridge gap for primary plugging, an opening at the upper part of the cold bridge gap is covered with a heat insulation plate for secondary plugging, an air isolation area is formed in the cold bridge gap by the two-time plugging to weaken the air circulation, a heat insulation mortar layer is filled on the heat insulation plate, and a waterproof coiled material is covered, so that the heat transfer and the water erosion can be effectively avoided, the heat insulation effect is improved, and the cold bridge gap construction and the gap filling construction method effectively avoid the cold bridge phenomenon and improve the construction efficiency and the quality.
Drawings
Fig. 1 is a schematic structural view of a gap cold bridge prevention structure of a steel frame roof panel of the present invention.
Description of the drawings: 1. a steel frame roof panel; 2. a cold bridge gap; 3. shrinking the neck part; 4. a heat preservation bar; 5. a recessed portion; 6. a thermal insulation board; 7. a heat-insulating mortar layer; 8. a main rib; 9. an end rib; 10. waterproof coiled materials; 11. an air isolation zone; 12. anti-cracking steel wire mesh; 13. a support plate; 14. and barbs.
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as 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.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to 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. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they 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.
As shown in fig. 1, a gap cold bridge-proof structure of steel frame roof plate.
The structural principle of the invention is as follows: the structure of steel frame roof boarding 1 to its end rib 9 is optimized when the shaping, the end rib 9 that two steel frame roof boarding 1 set up relatively can form big-end-up's cold bridge gap 2 automatically after aliging, cold bridge gap 2 is provided with throat portion 3, the local weather and the temperature in construction department can be according to the width of cold bridge gap 2, combine the material of steel frame roof boarding 1 to calculate according to expend with heat and contract with cold the coefficient, and then the specific width of adjustment definite cold bridge gap 2, throat portion 3 intussuseption is filled with insulating rod 4, be used for hindering the circulation of steel frame roof boarding 1 upper and lower two surfaces play air, the filling standard of insulating rod 4 is the maximum width of resisting tight cold bridge gap 2, the main rib 8 at steel frame roof boarding 1 top is provided with depressed part 5, be provided with the heated board 6 that is used for sealing cold bridge gap 2 in the depressed part 5, the even packing has the heat preservation mortar layer 7 that covers heated board 6 in the depressed part 5, heat preservation mortar layer 7 and steel frame roof boarding 1 have waterproof coiled material 10. The end face forming structure to steel frame roof boarding 1 constructs the change, the end rib 9 of two relative settings of steel frame roof boarding 1 aligns the back automatic big-end-up cold bridge gap 2 that forms, the necking portion 3 at cold bridge gap 2 is installed to heat preservation stick 4, interval welding arch before the replacement supports heat preservation stick 4 structure, reduce the process flow of caulking, the efficiency of construction is improved, in addition because the structural design of big-end-up in cold bridge gap, when preventing roof boarding expend with heat and contract with cold, can also effectively weaken indoor outer heat exchange.
It is worth noting that: the height of the cold bridge gap 2 needs to be calculated by combining the heat conductivity coefficient of the joint filling material according to the local climate and temperature of the construction position, if the height of the cold bridge gap 2 is higher than the thickness of the steel frame roof panel 1, the width of the cold bridge gap 2 can be properly changed, or the lower part of the steel frame roof panel 1 is extended, and the height of the cold bridge gap 2 is increased, so that the heat insulation effect is increased, and the cold bridge phenomenon is prevented from occurring.
Further, an air isolation area 11 is formed between the heat preservation rod 4 and the heat preservation plate 6, so that the heat exchange effect in the cold bridge gap 2 is weakened, and the heat preservation effect is improved.
Further, be provided with in the depressed part 5 and bury the crack control wire net 12 in heat preservation mortar layer 7, when preventing expend with heat and contract with cold, heat preservation mortar layer 7 appears the crack to and increase the construction strength.
Further, be provided with backup pad 13 between heated board 6 and the heat preservation stick 4, backup pad 13 supports tight heated board 6 and heat preservation stick 4 respectively, is in order to prevent that heat preservation stick 4 from leading to the atmospheric pressure inconsistent because the both sides temperature is inconsistent, and then makes its position change, weakens the heat preservation effect, and heated board 6, heat preservation stick 4 and backup pad 13 are the polyethylene material and make, insulation material, and low cost, and simple manufacture satisfies the shape requirement.
The further technical scheme is as follows: the width of the cold bridge gap 2 above the necking part 3 is controlled to be 1-4 cm, and the width of the cold bridge gap 21-4 cm can basically meet the design requirement of the cold bridge prevention by combining the height of more than 8cm according to common landform and climate and through a large number of experiments.
The further technical scheme is as follows: the necking part 3 in the cold bridge gap 2 is close to the lower part setting of steel frame roof boarding 1, leaves enough height for cold bridge gap 2 as far as and forms the air isolation region 11, and necking part 3 department is provided with prevents 4 gliding barbs 14 of heat preservation stick, and heat preservation stick 4 is fixed by barb 14 and can prevent its removal, reduces backup pad 13 installation, leaves enough space to fill other insulation material, further provides and prevents the cold bridge effect.
A gap cold bridge prevention construction method of a steel frame roof panel comprises the following steps:
s1, leveling and aligning two steel frame roof panels 1 to form a cold bridge gap 2;
s2, cleaning the cold bridge gap 2, filling a heat preservation rod 4 into the lower layer of the cold bridge gap 2, wherein the diameter of the heat preservation rod 4 is larger than the width of the necking part 3;
s3, paving a layer of insulation board 6 with the thickness of at least 2cm on the upper surface of the main rib 8, and forming an air isolation area 11 between the insulation board 6 and the insulation rod 4;
s4, filling flexible heat-insulating materials in the air isolation area 11 until the flexible heat-insulating materials respectively abut against the heat-insulating plate 6 and the heat-insulating rod 4;
s5, uniformly filling a heat preservation mortar layer 7 covering the heat preservation plate 6 in the concave part 5, and trowelling the heat preservation mortar layer 7, wherein the heat preservation mortar layer 7 is 2-3 cm;
and S6, making a roof leveling layer on the heat-insulating mortar layer 7, drying the roof leveling layer, making a cement-based composite anti-permeability coating, and paving the waterproof coiled material 10.
1. Two steel frame roof panels 1 need to find a horizontal line to align to form a cold bridge gap 2, and the width of the cold bridge gap 2 is controlled according to construction requirements; 2. the cold bridge gap 2 is plugged for the first time by filling the heat preservation rods 4, and the heat preservation rods 4 are tightly propped against the two sides of the cold bridge gap 2; 3. covering the opening at the upper part of the cold bridge gap 2 with the second plugging of the heat-insulating plate, and plugging twice in the cold bridge gap to form an air isolation area 11 so as to weaken the air circulation; 4. the air isolation area 11 is filled with flexible heat insulation materials (such as aerogel, asbestos and the like) until the flexible heat insulation materials are respectively abutted against the heat insulation plate 6 and the heat insulation rod 4; 5. the heat preservation mortar layer 7 (1:8 cement perlite heat preservation mortar layer) covering the heat preservation board 6 is uniformly filled in the concave part 5, the heat preservation mortar layer 7 is smoothed, the heat preservation mortar layer 7 is 2cm-3cm, in order to further improve the joint filling effect, a thick cement-based composite anti-seepage coating is made on the heat preservation mortar layer 7, so that heat transfer and water erosion can be effectively avoided, and the heat preservation effect is improved. The cold bridge seam structure and the construction method for filling the seam effectively avoid the cold bridge phenomenon and improve the construction efficiency and quality.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general terms in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (4)
1. A gap cold bridge prevention structure of a steel frame roof panel is characterized by comprising steel frame roof panels (1), wherein a cold bridge gap (2) with a large top and a small bottom is formed between end ribs (9) which are arranged oppositely on the two steel frame roof panels (1), a necking part (3) is arranged on the cold bridge gap (2), a heat insulation rod (4) is filled in the necking part (3), a main rib (8) at the top of each steel frame roof panel (1) is provided with a sunken part (5), a heat insulation plate (6) for sealing the cold bridge gap (2) is arranged in each sunken part (5), a heat insulation mortar layer (7) of the heat insulation plate (6) is uniformly filled in each sunken part (5), and waterproof coiled materials (10) cover the heat insulation mortar layer (7) and the steel frame roof panels (1);
an air isolation area (11) is formed between the heat preservation rod (4) and the heat preservation plate (6);
a supporting plate (13) is arranged between the heat-insulating plate (6) and the heat-insulating rod (4), and the heat-insulating plate (6), the heat-insulating rod (4) and the supporting plate (13) are all made of polyethylene materials;
in cold bridge gap (2) necking portion (3) are close to the lower part setting of steel frame roof boarding (1), necking portion (3) department is provided with prevents gliding barb (14) of heat preservation stick (4).
2. A gap cold bridge prevention structure of a steel frame roof panel according to claim 1, characterized in that: and an anti-cracking steel wire mesh (12) buried in the heat-insulation mortar layer (7) is arranged in the concave part (5).
3. A gap cold bridge prevention structure of a steel frame roof panel according to claim 1, characterized in that: the width of the cold bridge gap (2) above the necking part (3) is controlled to be between 1cm and 4 cm.
4. A construction method of a gap cold bridge prevention structure of a steel frame roof panel according to any one of claims 1 to 3, comprising the steps of:
s1, leveling and aligning two steel frame roof panels (1) to form a cold bridge gap (2);
s2, cleaning the cold bridge gap (2), filling the heat-insulating rod (4) into the lower layer of the cold bridge gap (2), wherein the diameter of the heat-insulating rod (4) is larger than the width of the necking part (3);
s3, paving a layer of insulation board (6) with the thickness of at least 2cm on the upper surface of the main rib (8), and forming an air isolation area (11) between the insulation board (6) and the insulation rod (4);
s4, filling flexible heat-insulating materials in the air isolation area (11) until the flexible heat-insulating materials respectively abut against the heat-insulating plate (6) and the heat-insulating rod (4);
s5, uniformly filling a heat-preservation mortar layer (7) covering the heat-preservation plate (6) in the concave part (5), and trowelling the heat-preservation mortar layer (7), wherein the heat-preservation mortar layer (7) is 2-3 cm;
s6, making a roof leveling layer on the heat-preservation mortar layer (7), drying the roof leveling layer, making a cement-based composite anti-permeability coating, and laying the waterproof roll (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110819597.2A CN113389329B (en) | 2021-07-20 | 2021-07-20 | Gap cold bridge prevention structure of steel frame roof panel and construction method thereof |
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| CN202110819597.2A CN113389329B (en) | 2021-07-20 | 2021-07-20 | Gap cold bridge prevention structure of steel frame roof panel and construction method thereof |
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| CN113389329B true CN113389329B (en) | 2022-11-15 |
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| CN201539041U (en) * | 2009-07-17 | 2010-08-04 | 王春山 | Bridge cutting-off lightweight plate block for self-insulation wall body |
| JP5852353B2 (en) * | 2011-08-04 | 2016-02-03 | 大久保 彰 | Telescopic device used for bridge and method for manufacturing the same |
| CN203296237U (en) * | 2013-06-13 | 2013-11-20 | 山东温佳建材科技有限公司 | Lightweight perlite wall body thermal insulation building block |
| CN106639001A (en) * | 2017-01-05 | 2017-05-10 | 南京兴华建筑设计研究院股份有限公司 | Waterproof structure used for abutted seam position of 3D printed building |
| CN207436289U (en) * | 2017-09-07 | 2018-06-01 | 上海啸佳建筑科技有限公司 | A kind of vertical straight joint connecting node of light steel composite wall plate |
| CN207525914U (en) * | 2017-10-30 | 2018-06-22 | 北京鸿屹丰彩装饰工程有限公司 | A kind of hot energy-saving mechanism that breaks of U-shaped glass |
| CN207954884U (en) * | 2018-01-10 | 2018-10-12 | 济南市城乡建设发展服务中心 | A kind of assembled CF steam pressures porcelain powder aerated concrete outer wall hanging plate |
| CN207878701U (en) * | 2018-02-09 | 2018-09-18 | 临沂大学 | The wall of heat bridge block function |
| CN108166684A (en) * | 2018-02-09 | 2018-06-15 | 北京太空板业股份有限公司 | A kind of roof boarding plate stitch anti-condensation structure and its construction method |
| CN209025234U (en) * | 2018-11-09 | 2019-06-25 | 北京城建六建设集团有限公司 | A kind of antiseep construction of Elements of Space Grid Truss support cement composite board plate stitch |
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| CN110409381A (en) * | 2019-07-04 | 2019-11-05 | 中国葛洲坝集团第一工程有限公司 | One kind being applied to rock seam crossing antiseepage cover plate compromise joint structure and construction method |
| CN110219378A (en) * | 2019-07-22 | 2019-09-10 | 中铁建设集团有限公司 | A kind of disconnected bridge structure of steel bar template integrated wall heat preservation seam crossing sealing |
| CN212026645U (en) * | 2020-04-10 | 2020-11-27 | 山东电力工程咨询院有限公司 | Roof panel deformation joint structure |
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| CN112160445A (en) * | 2020-09-23 | 2021-01-01 | 王丽明 | Vertical splicing seam of prefabricated concrete external wall panel of prefabricated building and construction method thereof |
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