CN218060777U - Steel construction building outer wall anti-cracking and anti-seepage system with vertical contact seam - Google Patents
Steel construction building outer wall anti-cracking and anti-seepage system with vertical contact seam Download PDFInfo
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Abstract
A steel structure building outer wall anti-cracking and anti-seepage system with vertical contact seams is characterized in that a first light wallboard is filled between a steel pipe corner column wall and a positioning I-shaped steel, one end of the first light wallboard is positioned between a steel pipe corner column positioning flat steel and a steel pipe corner column flange, and the other end of the first light wallboard is positioned in the flange of the positioning I-shaped steel; a third light wallboard is filled between the adjacent positioning I-beams, and two ends of the third light wallboard are positioned in the flanges of the positioning I-beams; a second light wallboard is filled between the positioning I-shaped steel and the wall of the steel pipe center column, one end of the second light wallboard is positioned between the positioning flat steel of the steel pipe center column and the flange of the steel pipe center column, and the other end of the second light wallboard is positioned in the flange of the positioning I-shaped steel; and elastic waterproof layers are filled in vertical contact seams at two ends of the first light wallboard, the second light wallboard and the third light wallboard. The utility model discloses satisfy the anti seepage-proofing requirement that splits of inhomogeneous material outer wall containment system, be favorable to the steel to construct the building popularization and application.
Description
Technical Field
The utility model relates to an anti seepage prevention system that splits especially relates to a steel construction building outer wall anti seepage prevention system that splits with vertical contact seam.
Background
At present, steel structure fabricated buildings are being vigorously popularized by related departments, public buildings such as hospitals and schools are encouraged to preferentially adopt steel structures, and steel structure residential construction is mainly promoted. In all the buildings, the exterior wall enclosure system exists, the seepage prevention problem is a common disease and is difficult to radically cure.
In the traditional reinforced concrete structure and brick concrete structure, all building materials in the outer wall have similar elastic modulus and thermal expansion coefficient, and abundant building experience accumulated in practice for many years, so that the anti-seepage requirement of the outer wall enclosure system in the reinforced concrete structure and brick concrete structure building can be basically met.
However, in a steel structure building, because the external wall panel and the metal main body member have different material properties, the difference between the elastic modulus and the thermal expansion coefficient is large, and when the external wall panel and the metal main body member are used for a long period of time, the external wall panel and the metal main body member expand with heat and contract with cold with different values, and cracks are inevitably generated at the contact position of the external wall panel and the metal main body member. The traditional method is to fill elastic waterproof materials (glue) at the contact position of the elastic waterproof materials and the glue, but due to photosynthesis and weathering, the service life of the most advanced elastic waterproof materials (glue) in the world is only thirty years at present, while the service life of a common building is fifty years, so that the outer wall is a difficult point and a pain point at the present stage in a steel structure building and is a key technology which needs to be overcome urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel construction building outer wall anti-cracking prevention of seepage system with vertical contact seam solves the vertical contact seam department of side fascia and metal main part component and produces the crack easily, problem that water-proof effects is poor.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a steel structure building outer wall anti-cracking and anti-seepage system with vertical contact seams comprises a steel pipe corner column wall, positioning I-shaped steel and a steel pipe center column wall; the positioning I-shaped steel is positioned between the wall of the steel pipe corner column and the wall of the steel pipe center column;
a first light wallboard is filled between the steel pipe corner column wall and the positioning I-shaped steel, the outer side surface of the steel pipe corner column wall is connected with a steel pipe corner column positioning flat steel and a steel pipe corner column flange, one end of the first light wallboard is positioned between the steel pipe corner column positioning flat steel and the steel pipe corner column flange, and the other end of the first light wallboard is positioned in the flange of the positioning I-shaped steel;
a third light wallboard is filled between the adjacent positioning I-beams, and two ends of the third light wallboard are positioned in flanges of the positioning I-beams;
a second light wallboard is filled between the positioning I-shaped steel and the wall of the steel pipe center column, the outer side surface of the wall of the steel pipe center column is connected with a steel pipe center column positioning flat steel and a steel pipe center column flange, one end of the second light wallboard is positioned between the steel pipe center column positioning flat steel and the steel pipe center column flange, and the other end of the second light wallboard is positioned in the flange of the positioning I-shaped steel;
elastic waterproof layers are filled in the vertical contact seams of the first light wall board and the wall of the steel pipe corner column, the vertical contact seams of the first light wall board and the positioning joist steel, the vertical contact seams of the two ends of the third light wall board and the positioning joist steel, the vertical contact seams of the second light wall board and the positioning joist steel, and the vertical contact seams of the second light wall board and the wall of the steel pipe center column.
As a preferable scheme of the steel structure building outer wall anti-cracking and anti-seepage system with the vertical contact seam, the steel pipe corner post walls are enclosed to form the steel pipe corner posts; and the wall of the steel pipe center column is enclosed to form the steel pipe center column.
As the optimal scheme of the anti-cracking and anti-seepage system of the outer wall of the steel structure building with the vertical contact seam, the steel pipe corner column is a hollow steel pipe column or a steel pipe concrete column formed by filling concrete in a hollow area; the steel pipe central column is a hollow steel pipe column or a steel pipe concrete column formed by filling concrete in a hollow area.
As a preferable scheme of the steel structure building outer wall anti-cracking and anti-seepage system with the vertical contact seams, third light wallboards are filled in flanges of two adjacent positioning I-beams, and elastic waterproof layers are filled in the vertical contact seams of the third light wallboards and the positioning I-beams.
As a preferable scheme of the steel structure building outer wall anti-cracking and anti-seepage system with the vertical contact seam, the steel pipe center pillar positioning flat steel and the steel pipe center pillar flanges are symmetrically distributed on two outer sides of the steel pipe center pillar wall.
As a preferable scheme of the steel structure building outer wall anti-cracking and anti-seepage system with the vertical contact seam, the steel pipe corner post positioning flat steel, the distance between the flanges of the steel pipe corner post and the distance between the flanges of the positioning I-shaped steel are equal;
the steel pipe center pillar location band steel, the interval between the steel pipe center pillar flange and the interval between the flange of location I-steel equals.
As the optimal scheme of the steel structure building outer wall anti-cracking and anti-seepage system with the vertical contact seam, waterproof mortar surface layers are attached to the outer sides of the steel pipe corner column wall, the positioning I-shaped steel and the steel pipe center column wall, and cover the first light wallboard, the second light wallboard and the third light wallboard.
The utility model is provided with a steel tube corner post wall, a positioning I-shaped steel and a steel tube center post wall; positioning the I-shaped steel between the wall of the steel pipe corner column and the wall of the steel pipe center column; a first light wallboard is filled between the steel pipe corner post column wall and the positioning I-shaped steel, the outer side surface of the steel pipe corner post column wall is connected with a steel pipe corner post positioning flat steel and a steel pipe corner post flange, one end of the first light wallboard is positioned between the steel pipe corner post positioning flat steel and the steel pipe corner post flange, and the other end of the first light wallboard is positioned in the flange of the positioning I-shaped steel; a third light wallboard is filled between the adjacent positioning I-beams, and two ends of the third light wallboard are positioned in the flanges of the positioning I-beams; a second light wallboard is filled between the positioning I-shaped steel and the wall of the steel pipe center column, the outer side surface of the wall of the steel pipe center column is connected with a steel pipe center column positioning flat steel and a steel pipe center column flange, one end of the second light wallboard is positioned between the steel pipe center column positioning flat steel and the steel pipe center column flange, and the other end of the second light wallboard is positioned in the flange of the positioning I-shaped steel; elastic waterproof layers are filled in vertical contact seams of the first light wall board and the wall of the steel pipe corner column, vertical contact seams of the first light wall board and the positioning I-steel, vertical contact seams of two ends of the third light wall board and the positioning I-steel, vertical contact seams of the second light wall board and the positioning I-steel, and vertical contact seams of the second light wall board and the wall of the steel pipe center column. The utility model discloses can avoid the crack and the elasticity waterproof material (glue) of different expend with heat and contract with cold values production between metal main body component and the non-metallic outer wall body ageing under photosynthesis, weathering effect, can satisfy the requirement of the anti seepage prevention of splitting of inhomogeneous material outer wall containment system, be favorable to the popularization and application of steel construction building.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that those skilled in the art can derive other embodiments from the drawings provided without inventive effort, but all fall within the scope of the present disclosure.
The structures, proportions, sizes, and other elements shown in the specification are illustrative only and are not intended to be limiting, since modifications, changes in proportions, or adjustments in size, which are apparent to those skilled in the art, may be made without departing from the spirit and scope of the invention.
Fig. 1 is the embodiment of the utility model provides a steel construction building outer wall anti-cracking and anti-seepage system sketch map with vertical contact seam that provides.
In the figure, 1, a steel pipe corner column wall; 2. positioning the I-shaped steel; 3. a steel pipe is centered in the pillar wall; 4. a first lightweight wallboard; 5. positioning flat steel by using steel pipe corner posts; 6. a steel pipe corner column flange; 7. a second lightweight wallboard; 8. positioning flat steel by using the steel pipe center column; 9. a flange of the steel pipe center column; 10. steel pipe corner posts; 11. a steel pipe middle column; 12. a third lightweight wallboard; 13. an elastic waterproof layer; 14. and (3) a waterproof mortar surface layer.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, an embodiment of the present invention provides a steel structure building exterior wall anti-cracking and anti-seepage system with a vertical contact seam, which includes a steel tube corner column wall 1, a positioning i-steel 2, and a steel tube center column wall 3; the positioning I-shaped steel 2 is positioned between the steel pipe corner column wall 1 and the steel pipe center column wall 3;
a first light wall plate 4 is filled between the steel pipe corner column wall 1 and the positioning I-beam 2, the outer side surface of the steel pipe corner column wall 1 is connected with a steel pipe corner column positioning flat steel 5 and a steel pipe corner column flange 6, one end of the first light wall plate 4 is positioned between the steel pipe corner column positioning flat steel 5 and the steel pipe corner column flange 6, and the other end of the first light wall plate 4 is positioned in the flange of the positioning I-beam 2;
a third light wallboard 12 is filled between the adjacent positioning I-beams 2, and two ends of the third light wallboard 12 are positioned in the flanges of the positioning I-beams 2;
a second light wallboard 7 is filled between the positioning I-shaped steel 2 and the steel pipe center pillar wall 3, the outer side surface of the steel pipe center pillar wall 3 is connected with a steel pipe center pillar positioning flat steel 8 and a steel pipe center pillar flange 9, one end of the second light wallboard 7 is positioned between the steel pipe center pillar positioning flat steel 8 and the steel pipe center pillar flange 9, and the other end of the second light wallboard 7 is positioned in the flange of the positioning I-shaped steel 2;
the first light wallboard 4 with the vertical contact seam of steel pipe corner column wall 1, first light wallboard 4 with the vertical contact seam of location I-steel 2, the third light wallboard 12 both ends with the vertical contact seam of location I-steel 2, the second light wallboard 7 with all be filled with elastic waterproof layer 13 in the vertical contact seam of steel pipe center column wall 3.
In this embodiment, the first lightweight wall panel 4, the second lightweight wall panel 7 and the third lightweight wall panel 12 are lightweight external wall panels. The light external wall panel belongs to the prior art, is a novel green wall product, is similar to a hollow floor slab in appearance, is generally composed of multiple industrial waste residues such as phosphogypsum, light steel slag, fly ash and the like after innocent treatment and other various natural light materials, is cured by variable-frequency steam pressurization, and has the advantages of light weight, high strength, heat preservation, heat insulation, sound insulation, moisture absorption, fire prevention, energy conservation, environmental protection, quick construction, cost reduction, multiple use, resource conservation and the like.
In this embodiment, the steel pipe corner post wall 1 encloses to form a steel pipe corner post 10, and the steel pipe corner post 10 is a hollow steel pipe postOrFilling a steel pipe concrete column formed by concrete in the hollow area; the steel pipe center pillar wall 3 is enclosed to form a steel pipe center pillar 11, and the steel pipe center pillar 11 is a hollow steel pipe pillarOrThe hollow area is filled with a steel tube concrete column formed by concrete. Meanwhile, waterproof mortar surface layers 14 are attached to the outdoor sides of the steel pipe corner column wall 1, the positioning I-shaped steel 2 and the steel pipe center column wall 3, and the waterproof mortar surface layers 14 cover the first light wallboard 4 and the second light wallboard7 and the third lightweight wall panel 12.
Specifically, steel pipe corner post 10 that 1 encloses to close and forms of steel pipe corner post wall can support the bight outer wall of steel structure building fixedly, and steel pipe center pillar 11 that 3 encloses to close and forms of steel pipe center pillar wall can support the middle part outer wall of steel structure building fixedly, and location I-steel 2 can support fixedly first light wallboard 4, third light wallboard 12 and second light wallboard 7. The waterproof mortar surface layer 14 protects and isolates the whole outer wall, plays a role of waterproofing as a front anti-seepage line, and simultaneously covers the elastic waterproof layer 13 of the vertical contact seam protected by the flange 6 of the steel pipe corner post, the flange of the positioning I-shaped steel 2 and the flange 9 of the steel pipe center post, so that the elastic waterproof material of the elastic waterproof layer 13 is prevented from being aged by photosynthesis and weathering again.
In this embodiment, the flanges of two adjacent positioning i-beams 2 are filled with a third lightweight wall panel 12, and the vertical contact seam between the third lightweight wall panel 12 and the positioning i-beam 2 is filled with an elastic waterproof layer 13.
Specifically, the elastic waterproof layer 13 is made of an elastic waterproof material, and the common elastic waterproof material includes modified asphalt waterproof rolls such as SBS and APP, and OMP, polymer waterproof rolls such as ethylene propylene diene monomer, and other various novel materials. The elastic waterproof material is an upgrade of common waterproof paint, and due to the addition of multiple polymer additives, the waterproof performance is better than that of common waterproof products, and meanwhile, the elastic waterproof material has high strength, tensile ductility and compression resilience, and can better cover gaps.
The elastic waterproof layer 13 can effectively avoid cracks generated by different expansion and contraction values between the metal main body component and the non-metal light wall body while having a waterproof effect. The vertical contact seam of the first light wall plate 4 and the steel pipe corner column wall 1, the vertical contact seam of the first light wall plate 4 and the positioning joist steel 2, the vertical contact seam of the two ends of the third light wall plate 12 and the positioning joist steel 2, the vertical contact seam of the second light wall plate 7 and the positioning joist steel 2, and the vertical contact seam of the second light wall plate 7 and the steel pipe center column wall 3 are prevented from generating cracks.
In this embodiment, the steel pipe center pillar positioning flat steel 8 and the steel pipe center pillar flange 9 are symmetrically distributed on both outer sides of the steel pipe center pillar wall 3. The distance between the steel pipe corner post positioning flat steel 5 and the flange 6 of the steel pipe corner post is equal to the distance between the flanges of the positioning I-shaped steel 2; the distance between the steel pipe center pillar positioning flat steel 8 and the flange 9 of the steel pipe center pillar is equal to the distance between the flanges of the positioning I-shaped steel 2.
Specifically, because there is vertical contact seam in two outsides of steel pipe center pillar wall 3, so symmetrical design steel pipe center pillar location band steel 8 with steel pipe center pillar edge of a wing 9 to cooperate with location I-steel 2. Because the interval between 5 and the steel pipe angle post flange edges 6 of steel pipe angle post location band steel, the interval between 8 and the steel pipe center pillar flange edges 9 of steel pipe center pillar location band steel, the interval between the flange edge of location I-steel 2 equal to the light weight wallboard that the adaptation that can be better corresponds.
To sum up, the utility model is provided with a steel tube corner post column wall 1, a positioning I-steel 2 and a steel tube center post column wall 3; positioning the I-shaped steel 2 between the steel pipe corner column wall 1 and the steel pipe center column wall 3; a first light wall plate 4 is filled between the steel pipe corner column wall 1 and the positioning I-beam 2, the outer side surface of the steel pipe corner column wall 1 is connected with a steel pipe corner column positioning flat steel 5 and a steel pipe corner column flange 6, one end of the first light wall plate 4 is positioned between the steel pipe corner column positioning flat steel 5 and the steel pipe corner column flange 6, and the other end of the first light wall plate 4 is positioned in the flange of the positioning I-beam 2; third light wall boards 12 are filled between the adjacent positioning I-beams 2, and two ends of each third light wall board 12 are positioned in the flanges of the positioning I-beams 2; a second light wallboard 7 is filled between the positioning I-shaped steel 2 and the steel pipe center column wall 3, the outer side surface of the steel pipe center column wall 3 is connected with a steel pipe center column positioning flat steel 8 and a steel pipe center column flange 9, one end of the second light wallboard 7 is positioned between the steel pipe center column positioning flat steel 8 and the steel pipe center column flange 9, and the other end of the second light wallboard 7 is positioned in the flange of the positioning I-shaped steel 2; elastic waterproof layers 13 are filled in vertical contact seams of the first light wall board 4 and the steel pipe corner column wall 1, vertical contact seams of the first light wall board 4 and the positioning joist steels 2, vertical contact seams of two ends of the third light wall board 12 and the positioning joist steels 2, vertical contact seams of the second light wall board 7 and the positioning joist steels 2, and vertical contact seams of the second light wall board 7 and the steel pipe center column wall 3. The steel pipe corner post 10 that closes the constitution is enclosed to steel pipe corner post wall 1 can support fixedly the bight outer wall of steel construction building, and steel pipe center pillar 11 that the closure was constituteed is enclosed to steel pipe center pillar wall 3 can support fixedly the middle part outer wall of steel construction building, and location I-steel 2 can support fixedly first light wallboard 4, third light wallboard 12 and second light wallboard 7. The waterproof mortar surface layer 14 protects and isolates the whole outer wall and plays a role of waterproofing as a front anti-seepage line, and meanwhile, the waterproof mortar surface layer 14 covers the steel pipe corner post flange 6, the elastic waterproof layer 13 of the vertical contact seam protected by the flange of the positioning I-steel 2 and the flange 9 of the steel pipe center post, so that the elastic waterproof material of the elastic waterproof layer 13 is ensured not to be aged by photosynthesis and weathering again.
The elastic waterproof layer 13 can effectively avoid cracks generated by different expansion and contraction values between the metal main body component and the non-metal light wall body while having a waterproof effect. The vertical contact seam of the first light wall board 4 and the steel pipe corner column wall 1, the vertical contact seam of the first light wall board 4 and the positioning joist steel 2, the vertical contact seam of the two ends of the third light wall board 12 and the positioning joist steel 2, the vertical contact seam of the second light wall board 7 and the positioning joist steel 2, and the vertical contact seam of the second light wall board 7 and the steel pipe center column wall 3 are prevented from generating cracks. Because the interval between 5 and the 6 steel on the steel pipe angle post flange of steel pipe angle post location band steel, the interval between 8 and the 9 steel pipe center post flanges of steel pipe center post location band steel, the interval between the flange of location I-steel 2 are the same to the light wallboard that the adaptation that can be better corresponds. The utility model discloses can avoid the crack and the elasticity waterproof material ageing under photosynthesis, the weathering effect of different expend with heat and contract with cold values production between metal main body component and the non-metallic outer wall body, can satisfy the requirement of anti prevention of cracking prevention of non-homogeneous material outer wall containment system, be favorable to the popularization and application of steel construction building.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The anti-cracking and anti-seepage system for the outer wall of the steel structure building with the vertical contact seam is characterized by comprising a steel pipe corner column wall (1), a positioning I-shaped steel (2) and a steel pipe center column wall (3); the positioning I-shaped steel (2) is positioned between the steel pipe corner column wall (1) and the steel pipe center column wall (3);
a first light wall plate (4) is filled between the steel pipe corner post column wall (1) and the positioning I-shaped steel (2), the outer side surface of the steel pipe corner post column wall (1) is connected with a steel pipe corner post positioning flat steel (5) and a steel pipe corner post flange (6), one end of the first light wall plate (4) is positioned between the steel pipe corner post positioning flat steel (5) and the steel pipe corner post flange (6), and the other end of the first light wall plate (4) is positioned in the flange of the positioning I-shaped steel (2);
a third light wall plate (12) is filled between the adjacent positioning I-beams (2), and two ends of the third light wall plate (12) are positioned in the flanges of the positioning I-beams (2);
a second light wallboard (7) is filled between the positioning I-shaped steel (2) and the steel pipe center pillar wall (3), the outer side surface of the steel pipe center pillar wall (3) is connected with a steel pipe center pillar positioning flat steel (8) and a steel pipe center pillar flange (9), one end of the second light wallboard (7) is positioned between the steel pipe center pillar positioning flat steel (8) and the steel pipe center pillar flange (9), and the other end of the second light wallboard (7) is positioned in the flange of the positioning I-shaped steel (2);
first light wallboard (4) with the vertical contact seam of steel pipe corner column wall (1) first light wallboard (4) with the vertical contact seam of location I-steel (2) third light wallboard (12) both ends with the vertical contact seam of location I-steel (2) second light wallboard (7) with all be filled with flexible waterproof layer (13) in the vertical contact seam of steel pipe center pillar wall (3).
2. The steel structure building outer wall crack-resistant and seepage-proofing system with the vertical contact seam as claimed in claim 1, wherein the steel pipe corner post wall (1) is enclosed to form a steel pipe corner post (10); the steel pipe center pillar wall (3) is enclosed to form a steel pipe center pillar (11).
3. The steel structure building outer wall crack-resistant and seepage-proofing system with the vertical contact seam as claimed in claim 2, wherein the steel pipe corner column (10) is a hollow steel pipe column or a steel pipe concrete column formed by filling concrete in a hollow area; the steel pipe center pillar (11) is a hollow steel pipe column or a steel pipe concrete column formed by filling concrete in a hollow area.
4. The steel structure building outer wall crack-resistant and seepage-proofing system with the vertical contact seam as claimed in claim 1, wherein the flanges of two adjacent positioning i-beams (2) are filled with a third light wall board (12), and the vertical contact seams of the third light wall board (12) and the positioning i-beams (2) are filled with an elastic waterproof layer (13).
5. The anti-cracking and anti-seepage system for the outer wall of the steel structure building with the vertical contact seam as claimed in claim 1, wherein the steel pipe center pillar positioning flat steel (8) and the steel pipe center pillar flange (9) are symmetrically distributed on two outer sides of the steel pipe center pillar wall (3).
6. The steel structure building outer wall anti-cracking and anti-seepage system with the vertical contact seam as claimed in claim 1, wherein the spacing between the steel pipe corner post positioning flat steel (5) and the steel pipe corner post flanges (6) is equal to the spacing between the flanges of the positioning I-shaped steel (2);
the steel pipe center pillar positioning flat steel (8), the distance between the steel pipe center pillar flanges (9) is equal to the distance between the flanges of the positioning I-shaped steel (2).
7. The steel structure building outer wall crack-resistant and seepage-proofing system with the vertical contact seam as claimed in claim 1, wherein a waterproof mortar surface layer (14) is attached to the outdoor sides of the steel pipe corner column wall (1), the positioning I-steel (2) and the steel pipe center column wall (3), and the waterproof mortar surface layer (14) covers the first light wall board (4), the second light wall board (7) and the third light wall board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220765921.7U CN218060777U (en) | 2022-04-05 | 2022-04-05 | Steel construction building outer wall anti-cracking and anti-seepage system with vertical contact seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220765921.7U CN218060777U (en) | 2022-04-05 | 2022-04-05 | Steel construction building outer wall anti-cracking and anti-seepage system with vertical contact seam |
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| CN218060777U true CN218060777U (en) | 2022-12-16 |
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| CN202220765921.7U Active CN218060777U (en) | 2022-04-05 | 2022-04-05 | Steel construction building outer wall anti-cracking and anti-seepage system with vertical contact seam |
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| CN (1) | CN218060777U (en) |
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