CN220451262U - Roof steel column waterproof structure - Google Patents
Roof steel column waterproof structure Download PDFInfo
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- CN220451262U CN220451262U CN202321802585.XU CN202321802585U CN220451262U CN 220451262 U CN220451262 U CN 220451262U CN 202321802585 U CN202321802585 U CN 202321802585U CN 220451262 U CN220451262 U CN 220451262U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 99
- 239000010959 steel Substances 0.000 title claims abstract description 99
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000004078 waterproofing Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000011241 protective layer Substances 0.000 claims description 18
- 239000011456 concrete brick Substances 0.000 claims description 13
- 239000004575 stone Substances 0.000 claims description 13
- 239000004570 mortar (masonry) Substances 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
The utility model relates to the technical field of roof waterproofing, and aims to provide a roof steel column waterproof structure. The roof steel column waterproof structure can prevent the waterproof coiled material from hollowing and falling off, and has good waterproof property. Above-mentioned roofing steel column waterproof construction includes: steel column, structural floor slab, concrete pier, waterproof coiled material and protective component; the steel column is arranged on the structural floor slab; the concrete piers surround the bottom of the steel columns; the waterproof coiled material is paved on the outer surface of the structural floor slab and the concrete pier; the protection component is arranged on the outer surface of the waterproof coiled material. The utility model solves the problems that the waterproof coiled material in the roof steel column waterproof structure is easy to empty and fall off after long-time wind blowing and insolation, thereby losing the waterproof function and affecting the roof waterproof performance.
Description
Technical Field
The utility model relates to the technical field of roof waterproofing, in particular to a roof steel column waterproof structure.
Background
The roof engineering is a very important subsection engineering in building construction, and along with the gradual development of roof five-in-one (namely roof design systematization, roof form diversification, roof structure rationalization, waterproof material standardization and heat preservation modernization), the requirements on the quality of the roof construction are higher and higher, the quality of the roof construction is good, the service life of a building is influenced, and the functional requirements on the aspects of roof integral leakage prevention, heat preservation and energy conservation, roof ecological environment effect and the like are related.
The waterproof performance of the steel column of the roof is a key point of the whole roof, and because of irregular shapes of the steel column, such as I-shaped steel columns, waterproof coiled materials are difficult to directly lay on the steel column. But because waterproofing membrane sets up on the surface of concrete mound, through long-time wind blow insolatees waterproofing membrane easily empty drum, drop to lose waterproof function, and then influence roofing waterproof performance.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects that the waterproof coiled material in the roof steel column waterproof structure in the prior art is easy to empty and fall off after long-time wind and sun exposure, so that the waterproof function is lost and the roof waterproof performance is affected, and the roof steel column waterproof structure with good waterproof performance can be prevented from empty and falling off.
To this end, the utility model provides a roofing steel column waterproof structure comprising:
a steel column;
the steel column is arranged on the structural floor slab;
a concrete pier surrounding the bottom of the steel column;
the waterproof coiled material is paved on the surfaces of the structural floor slab and the concrete piers;
the protection component is arranged on the outer surface of the waterproof coiled material.
Optionally, the waterproof coiled material comprises a waterproof coiled material horizontal part paved on the upper surface of the structural floor slab and a waterproof coiled material vertical part paved on the side wall of the concrete pier;
the protection component comprises a first protection layer arranged on the horizontal part of the waterproof coiled material and a second protection layer arranged on the vertical part of the waterproof coiled material.
Optionally, the first protection layer is a fine stone concrete layer arranged on the upper surface of the horizontal part of the waterproof coiled material, and a reinforcing steel mesh is arranged in the fine stone concrete layer;
the second protective layer includes: the waterproof coiled material comprises a concrete brick layer arranged on the outer surface of the vertical part of the waterproof coiled material and waterproof mortar arranged on the outer surface of the concrete brick layer, and a steel wire mesh is embedded in the waterproof mortar.
Optionally, an insulation layer and an isolation layer are further arranged between the waterproof coiled material horizontal part and the first protection layer from bottom to top.
Optionally, the heat-insulating layer is a flame-retardant hard extruded polystyrene board, and the isolating layer is a plastic film.
Optionally, a slope finding leveling layer is further arranged between the waterproof coiled material horizontal part and the structural floor slab.
Optionally, the slope finding leveling layer is a fine stone concrete layer.
Optionally, the vertical portion of the waterproof coiled material is fixedly connected with the concrete pier through a nail and a pressing strip.
Optionally, the structural floor slab includes: the steel column is connected with the steel bar truss floor support plate.
Optionally, a water stop plate is arranged in the middle of the steel bar truss floor support plate, and the water stop plate is connected with the steel column.
The utility model has the following advantages:
1. the roof steel column waterproof structure comprises a steel column, a structural floor slab, concrete piers, waterproof coiled materials and a protection component, wherein the steel column is arranged on the structural floor slab, the concrete piers surround the bottom of the steel column, the waterproof coiled materials are paved on the surfaces of the concrete piers and the decoupling strand floor slab, and water leakage at the roof steel column can be prevented. The protection component is arranged on the outer surface of the waterproof coiled material, so that the waterproof coiled material is protected, and the waterproof coiled material is prevented from being exposed in the external environment, and is free, fallen or damaged through blowing and insolating.
2. The waterproof coiled material comprises a waterproof coiled material horizontal part paved on the upper surface of a structural floor slab and a waterproof coiled material vertical part paved on the side wall of a concrete pier, and the protection component comprises a first protection layer arranged on the waterproof coiled material horizontal part and a second protection layer arranged on the waterproof coiled material vertical part. Through the protection of first protective layer and second protective layer to waterproofing membrane horizontal part and waterproofing membrane vertical part respectively, phenomenon such as empty drum, drop appear in the waterproofing membrane that can effectually prevent, waterproofing membrane's life is longer.
3. According to the roof steel column waterproof structure provided by the utility model, the heat preservation layer and the isolation layer are further arranged between the horizontal part of the waterproof coiled material and the first protection layer from bottom to top, so that the influence of external environmental temperature factors such as hot summer high temperature, cold winter low temperature and the like on the waterproof coiled material can be prevented, the waterproof coiled material is prevented from being damaged, and the service life is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a water stop plate arranged in a roof steel column waterproof structure of the utility model;
FIG. 2 is a schematic view of a floor deck with a steel truss laid in a roof steel column waterproof structure of the present utility model;
FIG. 3 is a schematic illustration of a concrete pier cast into a roof steel column waterproof structure of the present utility model;
FIG. 4 is a schematic illustration of laying waterproof coiled materials in the roof steel column waterproof structure of the utility model;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
FIG. 6 is a schematic view of the roof steel column waterproof structure of the present utility model after a first protective layer is provided;
fig. 7 is a schematic view of the roof steel column waterproof structure of the present utility model after a second protective layer is provided.
Reference numerals illustrate:
1. a steel column;
2. the structure floor slab, 201, the steel bar truss floor support plate, 202 and the concrete structure;
3. a concrete pier;
401. a waterproof roll horizontal part, 402, a waterproof roll vertical part;
501. the concrete brick comprises a first protective layer 502, a second protective layer 5021, a concrete brick layer 5022, waterproof mortar 503, a heat preservation layer 504, an isolation layer 505 and a slope finding leveling layer;
6. and a water stop plate.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 7, which are preferred embodiments of the roof steel stud waterproof structure of the present utility model, the roof steel stud waterproof structure may be used at a roof steel stud to prevent water leakage. The roof steel column waterproof structure can prevent the waterproof coiled material from hollowing and falling off, and the waterproof coiled material has longer service life and better waterproof property.
Above-mentioned roofing steel column waterproof construction includes: steel column 1, structure floor 2, concrete pier 3, waterproofing membrane and protection subassembly. The steel column 1 is arranged on the structural floor slab 2, the steel column 1 comprises a steel column 1 which is vertically arranged and a steel column 1 which is obliquely arranged, and the steel column 1 is in an I shape. The concrete pier 3 surrounds the bottom of the steel column 1, and the waterproof coiled material is paved on the outer surfaces of the structural floor slab 2 and the concrete pier 3.
Because the steel column 1 is "worker" style of calligraphy, if directly lay waterproofing membrane on the steel column 1, need buckle waterproofing membrane many times, be difficult to guarantee the water-proof effects of corner, and the construction degree of difficulty is great. Therefore, the waterproof coiled material is arranged on the outer surfaces of the structural floor slab 2 and the concrete piers 3, so that the construction is convenient, and the waterproof effect is good. The protection component is arranged on the outer surface of the waterproof coiled material, the waterproof coiled material can be prevented from being exposed for a long time, and damaged by long-time blowing and insolation, the waterproof coiled material can be effectively protected by the protection component, the hollowing and falling of the waterproof coiled material are avoided, and the service life of the waterproof coiled material is ensured.
Further, the structural floor slab 2 includes: the steel bar truss floor support plate 201 and the concrete structure 202 arranged around the steel bar truss floor support plate 201, specifically, the steel bar truss floor support plate 201 is a combined bearing plate formed by connecting steel bar trusses and bottom plates into a whole through resistance spot welding. The steel bar truss floor support plate 201 is paved on the steel beam, and is welded with the steel beam through support steel bars at the end heads. And arranging side templates around the steel bar truss floor support plate 201, and pouring the steel bar truss floor support plate 201 to form the concrete structure 202.
In addition, be provided with stagnant water board 6 in the middle part position of steel bar truss building carrier plate 201, stagnant water board 6 level sets up, and stagnant water board 6 is connected with steel column 1, can prevent concrete pier 3 and steel column 1 junction seepage through setting up stagnant water board 6.
The concrete piers 3 are formed by setting up a formwork around the bottom of the steel column 1, the concrete piers 3 are located above the concrete structure 202, and the horizontal dimension of the concrete piers 3 is smaller than the horizontal dimension of the concrete structure 202.
The waterproof coiled material is paved on the upper surface of the structural floor slab 2 and the side wall of the concrete pier 3, waterproof paint is further coated between the waterproof coiled material and the upper surface of the structural floor slab 2 and the side wall of the concrete pier 3, the waterproof paint can adopt non-cured rubber asphalt, the waterproof paint can improve the waterproof property of the joint of the waterproof coiled material and the concrete structure 202 and the concrete pier 3, and the waterproof coiled material has a certain bonding effect and can improve the paving firmness of the waterproof coiled material.
Specifically, the waterproof roll includes a waterproof roll horizontal portion 401 laid on the upper surface of the structural floor slab 2 and a waterproof roll vertical portion 402 laid on the side wall of the concrete pier 3. The waterproof roll horizontal portion 401 is connected to the upper surface of the structural floor slab 2 by means of adhesion. The waterproof coiled material vertical portion 402 is fixedly connected with the side wall of the concrete pier 3 through a nail and a pressing strip, the pressing strip is placed on the outer side of the waterproof coiled material vertical portion 402 along the horizontal direction, and then a plurality of nails are driven into the waterproof coiled material vertical portion 402 at intervals to fix the waterproof coiled material vertical portion 402.
The protective assembly includes a first protective layer 501 disposed on the horizontal portion 401 of the waterproof roll and a second protective layer 502 disposed on the vertical portion 402 of the waterproof roll.
Specifically, in this embodiment, the first protection layer 501 is a fine stone concrete layer disposed on the upper surface of the horizontal portion 401 of the waterproof roll, and a reinforcing mesh is further disposed in the fine stone concrete layer. The second protective layer 502 includes: the waterproof roll comprises a concrete brick layer 5021 arranged on the outer surface of the waterproof roll vertical portion 402 and waterproof mortar 5022 arranged on the outer surface of the concrete brick layer 5021, wherein a steel wire mesh is embedded in the waterproof mortar 5022. The waterproof coiled material is protected by arranging the first protective layer 501 and the second protective layer 502, so that the waterproof coiled material is prevented from being exposed for a long time to cause damage.
In addition, an insulation layer 503 and an isolation layer 504 are further arranged between the waterproof coiled material horizontal portion 401 and the first protection layer 501 from bottom to top, the insulation layer 503 is a flame-retardant hard extruded polystyrene board, and the isolation layer 504 is a plastic film. The heat preservation 503 and the isolation layer 504 can prevent the influence of external environment temperature such as hot summer and cold winter on the waterproof coiled material, so that the waterproof coiled material is damaged, and the service life is shortened. A slope finding leveling layer 505 is further arranged between the waterproof coiled material horizontal part 401 and the structural floor slab 2, and the slope finding leveling layer 505 is a fine stone concrete layer.
The following describes the construction method of the roof steel column waterproof structure provided by the embodiment as follows:
step (1), connecting a water stop plate 7 with the steel column 1;
the size of the water stop plate 7 is determined in advance according to the size of the steel column 1, the water stop plate 7 is connected with the steel column 1 in a welding mode, and the water stop plate 7 is positioned in the middle of the steel bar truss floor support plate 201.
Step (2), pouring a concrete structure 202 at the steel bar truss floor support plate 201;
the steel bar truss floor support plate 201 is hoisted to a designated position, a template is paved, and then concrete is poured, so that a concrete structure 202 coated at the steel bar truss floor support plate 201 is formed.
And (3) arranging a concrete pier template around the bottom of the steel column 1.
Concrete pier templates are arranged around the bottoms of the steel columns 1, and the sizes of the templates can be adaptively selected according to the sizes of the steel bar truss floor carrier plates 201, the thickness of roof building surface layers and the upturning heights of waterproof coiled materials.
And (4) pouring around the steel column 1 to form a concrete pier 3.
After the template is installed, the template is wetted, the roof base layer is cleaned, concrete is poured to form a concrete pier 3, after the pouring is completed, the surface is required to be polished, maintenance is carried out, and concrete cracking is prevented. The outer surface of the concrete pier 3 should be regular and smooth to facilitate the laying of the waterproof roll.
And (5) carrying out a water storage test.
Before the waterproof coiled material is paved, a water storage test is carried out on the roof, all water leakage openings on the roof are plugged, then water is fully stored, the water storage depth is at least 2cm, the water storage time is at least 24 hours, whether water leakage exists on the roof of the downstairs is observed for 2-3 hours, the water leakage is regarded as qualified, and the repair is carried out in time when the water leakage exists.
And (6) pouring a slope finding leveling layer 505.
The mortar cake is made according to the design elevation requirement, and fine stone concrete is poured to form the slope finding leveling layer 505. And (3) vibrating and compacting are needed during concrete pouring, and finishing and polishing and curing are carried out after the pouring is finished. And detecting the water content of the base layer after the concrete of the slope finding leveling layer 505 meets the strength requirement, and rounding the internal corner of the concrete pier 3 after the water content of the base layer is qualified.
And (7) paving waterproof coiled materials on the outer surfaces of the structural floor slabs 2 and the concrete piers 3.
The surface of the slope finding leveling layer 505 is coated with waterproof paint with a specified thickness, then a waterproof roll is paved, the waterproof roll horizontal part 401 is connected with the slope finding leveling layer 505 in an adhesive mode, the waterproof roll vertical part 402 is connected with the side wall of the concrete pier 3 through a nail, and the phenomenon of hollowing is avoided when the waterproof roll is paved.
And (8) paving an insulating layer 503 and an isolating layer 504.
Firstly, a heat insulation layer 503 is laid, then an isolation layer 504 is laid, in this embodiment, the heat insulation layer 503 is a flame-retardant hard extruded polystyrene board, and the isolation layer 504 is a plastic film.
And (9) pouring fine stone concrete on the upper surface of the waterproof coiled material horizontal part 401 to form a first protective layer 501.
Fine stone concrete is poured to form a second protective layer 502, and reinforcing mesh pieces are arranged in the fine stone concrete layer.
Step (d), a concrete brick layer 5021 is built on the outer surface of the waterproof coiled material vertical part 402, waterproof mortar 5012 is smeared on the surface of the concrete brick layer 5021, and a second protective layer 502 is formed.
The concrete brick layer 5021 is built on the outer surface of the vertical portion 402 of the waterproof coiled material, the waterproof coiled material cannot be damaged during building, and the concrete bricks are required to be horizontal, vertical and stable during building. Then, waterproof mortar 5022 is smeared on the surface of the concrete brick layer 5021, and after the waterproof mortar 5022 is solidified, the waterproof coiled material vertical part 402 can be protected. Finally, the heat-insulating reflective paint is coated on the outer surfaces of the first protective layer 501 and the second protective layer 502.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A roofing steel column waterproof construction, characterized in that includes:
a steel column (1);
the steel column (1) is arranged on the structural floor slab (2);
-a concrete pier (3), the concrete pier (3) surrounding the bottom of the steel column (1);
the waterproof coiled material is paved on the surfaces of the structural floor slab (2) and the concrete piers (3);
the protection component is arranged on the outer surface of the waterproof coiled material.
2. The roof steel column waterproof structure according to claim 1, wherein the waterproof roll comprises a waterproof roll horizontal part (401) laid on the upper surface of the structural floor slab (2) and a waterproof roll vertical part (402) laid on the side wall of the concrete pier (3);
the protection component comprises a first protection layer (501) arranged on the waterproof roll horizontal part (401) and a second protection layer (502) arranged on the waterproof roll vertical part (402).
3. The roof steel column waterproof structure according to claim 2, wherein the first protection layer (501) is a fine stone concrete layer arranged on the upper surface of the waterproof coiled material horizontal part (401), and a reinforcing mesh is arranged in the fine stone concrete layer;
the second protective layer (502) comprises: set up in concrete brick layer (5021) of waterproofing membrane vertical portion (402) surface and set up in waterproof mortar (5022) of concrete brick layer (5021) surface, just waterproof mortar (5022) is embedded to have the wire net.
4. The roof steel column waterproof structure according to claim 2, wherein a heat preservation layer (503) and an isolation layer (504) are further arranged between the waterproof coiled material horizontal portion (401) and the first protection layer (501) from bottom to top.
5. The waterproof structure of a roof steel column according to claim 4, wherein the heat insulating layer (503) is a flame-retardant hard extruded polystyrene board, and the isolating layer (504) is a plastic film.
6. The roof steel column waterproof structure according to claim 2, wherein a slope finding leveling layer (505) is further arranged between the waterproof coiled material horizontal part (401) and the structural floor slab (2).
7. The roofing steel column flashing structure of claim 6, wherein the slope finding leveling layer (505) is a fine stone concrete layer.
8. A roofing steel column waterproof structure according to claim 3, characterized in that the waterproof roll vertical part (402) is fixedly connected with the concrete pier (3) by means of a nail and a bead.
9. The roofing steel column flashing structure of any one of claims 2-8, wherein the structural floor slab (2) comprises: the steel column (1) is connected with the steel bar truss floor support plate (201), and a concrete structure (202) arranged around the steel bar truss floor support plate (201).
10. The roof steel column waterproof structure according to claim 9, wherein a water stop plate (6) is arranged in the middle of the steel bar truss floor support plate (201), and the water stop plate (6) is connected with the steel column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321802585.XU CN220451262U (en) | 2023-07-10 | 2023-07-10 | Roof steel column waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321802585.XU CN220451262U (en) | 2023-07-10 | 2023-07-10 | Roof steel column waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220451262U true CN220451262U (en) | 2024-02-06 |
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ID=89724425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321802585.XU Active CN220451262U (en) | 2023-07-10 | 2023-07-10 | Roof steel column waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220451262U (en) |
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2023
- 2023-07-10 CN CN202321802585.XU patent/CN220451262U/en active Active
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