Anti-seepage and anti-rust structure for steel column out of roof of steel structure building

By adopting a multi-layer waterproof and rust-proof structure in the steel column roofing parts of steel structure buildings, including roof structural panels, upturned concrete ridge-reversing, waterproof coils, special-shaped steel plates and other components, the problem of the steel column roofing parts being susceptible to rainwater erosion is solved, and effective waterproof and rust-proof effects are achieved.

CN222847695UActive Publication Date: 2025-05-09CHINA RAILWAY 11TH BUREAU GRP CORP LTD +2
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Patent Information

Application Number
CN202421835196.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-09
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The steel columns in steel structure buildings are susceptible to rainwater erosion, resulting in rust and seepage problems. The existing technology is difficult to effectively solve this problem.

Method used

A multi-layer waterproof and rust-proof structure is adopted, including pouring roof structural panels around the steel columns, pouring concrete backwards on the side walls, laying waterproof coils on the outside, fixing nails to fix the waterproof coils, welding special-shaped steel plates to the side walls of the steel columns, thermal insulation plates and waterproof mortars further enhance waterproof performance, and sealing the junction of the waterproof coils and steel columns and the welded parts of the special-shaped steel plates and steel columns through sealant.

Benefits of technology

It effectively prevents rainwater from seeping in, avoids corrosion and seepage of steel columns, enhances the waterproof and rust resistance of the structure, and avoids the possibility that the anti-rust paint and waterproof mortar are not bonded and easy to fall off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel structure building partition wall board construction, in particular to a steel structure building steel column out-of-roof anti-seepage and anti-rust structure which comprises a roof structure board, a steel bar, an upturning concrete reverse ridge, a waterproof roll, a fixing nail, sealant, a special-shaped steel plate, a heat preservation board, a steel wire mesh, waterproof mortar and a steel column. Roof structural plates are poured on the periphery of the steel column, an upturning concrete reverse ridge is poured on the side wall of the steel column and located at the top of the roof structural plates, and a waterproof roll is laid on the outer side of the upturning concrete reverse ridge. And the waterproof coiled material layer is arranged on the periphery of the steel column, so that double seepage-proof and rust-proof effects on the steel column are achieved, and the situations that in a conventional method, rust-proof paint and waterproof mortar are not bonded together and are prone to falling off, and rainwater is prone to permeating into a waterproof closing-up part are avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel structure buildings, in particular to a steel structure building steel column roof anti-seepage and anti-rust structure. Background Art

[0002] Steel structure buildings are widely used in the fields of housing, public buildings and factory buildings due to their good earthquake resistance, flexible and variable space and environmental protection. However, the roots of steel columns extending out of the roof are often susceptible to erosion by rainwater from the roof, which leads to rust of the steel columns or water seepage from the connection between the steel columns and the structural panels. How to effectively solve the problem of rust and water seepage of steel columns on the roof has become a limiting factor in the promotion of high-rise steel structure buildings.

[0003] At present, the root of the steel column on the roof is usually prevented from seepage and rust by spraying anti-rust paint on the steel column body, and then using waterproof mortar to finish the surface on the outside and wrapping it with waterproof membrane, so as to prevent rainwater from penetrating into the steel column body, avoid rust of the steel column and water seepage at the root; in this treatment method, rainwater can easily penetrate into the waterproof joint, causing rust of the steel column, and at the same time, directly plastering the waterproof mortar on the outside of the anti-rust paint cannot effectively guarantee the effective bonding performance of the waterproof mortar and the anti-rust paint, resulting in falling off, which directly leads to rust and water seepage of the steel column on the roof.

[0004] Therefore, it is necessary to provide a steel structure building steel column roof anti-seepage and anti-rust structure to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a steel structure building steel column roof anti-seepage and anti-rust structure.

[0006] The utility model provides a steel column roof anti-seepage and anti-rust structure for a steel structure building, comprising a roof structure plate, steel bars, an upturned concrete counter-ridge, a waterproof membrane, fixing nails, sealant, a special-shaped steel plate, a thermal insulation plate, a steel wire mesh, a waterproof mortar and a steel column, wherein the roof structure plate is cast around the steel column, the side wall of the steel column is cast with an upturned concrete counter-ridge, and the upturned concrete counter-ridge is located on the top of the roof structure plate, the outer side of the upturned concrete counter-ridge is paved with a waterproof membrane, the top of the upturned concrete counter-ridge is fixed with fixing nails, the side wall of the steel column is welded and fixed with a special-shaped steel plate, and the special-shaped steel plate is located above the closing of the waterproof membrane, the outer side of the waterproof membrane is paved with a thermal insulation plate, and the outer side of the thermal insulation plate is provided with waterproof mortar.

[0007] Preferably, steel bars are provided in the upward concrete counter-ridge.

[0008] Preferably, a steel mesh is hung on the outside of the insulation board, and waterproof mortar covers the outside of the steel mesh.

[0009] Preferably, the junction between the waterproof coiled material and the steel column and the welding seam between the special-shaped steel plate and the steel column are sealed by sealant.

[0010] Preferably, a vertical portion is provided on the special-shaped steel plate, and the vertical portion is arranged outside the waterproof mortar.

[0011] Compared with the related art, the utility model provides the following beneficial effects:

[0012] The structural process provided by the utility model is compact and comprehensive. The first anti-corrosion treatment is carried out by spraying anti-corrosion and anti-rust paint on the steel column in advance, and then a concrete counter-ridge not less than 250mm higher than the roof building surface layer is set around the junction of the steel column and the roof structure plate to wrap the root of the steel column to prevent rainwater from eroding the steel column, and a waterproof membrane layer is set around it to play a double anti-seepage and anti-rust role for the steel column, avoiding the possibility of the anti-rust paint and the waterproof mortar being easily peeled off due to poor bonding in conventional practices and the situation where rainwater is easy to penetrate into the waterproof joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the special-shaped steel plate structure of the utility model.

[0015] Numbers in the figure: 1. Roof structure plate; 2. Steel bars; 3. Upturned concrete counter-ridge; 4. Waterproof membrane; 5. Fixing nails; 6. Sealant; 7. Special-shaped steel plate; 8. Insulation board; 9. Steel wire mesh; 10. Waterproof mortar; 11. Steel column; 12. Vertical part. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0017] Please refer to Figure 1 to Figure 2 , a steel structure building steel column roof anti-seepage and anti-rust structure, contains multiple key components to ensure the realization of its functions. Specifically, the core of the structure is the steel column 11, which is tightly cast around the roof structure plate 1 to form a solid foundation. On the side wall of the steel column 11, a concrete counter-ridge 3 is specially cast. It is located on the top of the roof structure plate 1, which not only enhances the overall stability of the structure, but also plays a key anti-seepage role. In order to further enhance the strength of the concrete counter-ridge 3, steel bars 2 are also arranged inside it to ensure the durability of the structure.

[0018] On the outside of the upturned concrete anti-ridge 3, the waterproof membrane 4 is carefully laid to form the first waterproof barrier. In order to ensure that the closing of the waterproof membrane 4 is firmly fixed, the top of the upturned concrete anti-ridge 3 is fixed with a fixing nail 5 to effectively prevent water penetration.

[0019] In addition, a special-shaped steel plate 7 is welded and fixed to the side wall of the steel column 11, which is cleverly located above the closing of the waterproof coiled material 4, providing additional protection and support for the structure. On the outside of the waterproof coiled material 4, an insulation board 8 is laid, which not only plays a role in heat preservation, but also further enhances the anti-seepage performance of the structure.

[0020] In order to ensure the close integration of the insulation board 8 and the overall structure, a wire mesh 9 is hung on its outside and covered on the outside of the wire mesh 9 by waterproof mortar 10. This design effectively prevents the waterproof mortar 10 from detaching and enhances the integrity and stability of the structure.

[0021] In terms of detail processing, the intersection between the waterproof membrane 4 and the steel column 11 and the welding joint between the special-shaped steel plate 7 and the steel column 11 are strictly sealed by the sealant 6, which effectively prevents water infiltration and improves the anti-seepage performance of the structure.

[0022] Finally, the special-shaped steel plate 7 is also specially provided with a vertical portion 12, which is cleverly arranged on the outside of the waterproof mortar 10, which not only provides additional protection for the structure, but also further enhances the overall anti-seepage and anti-rust effects.

[0023] Construction process:

[0024] 1. First, spray the steel column 11 with anti-rust and anti-corrosion paint to complete the first anti-rust treatment;

[0025] 2. During the process of tying the steel bars of the roof structure slab 1, the steel bars 2 are pre-embedded in the upturned concrete counter-ridge 3. The height of the pre-embedded steel bars 2 is determined according to the height of the upturned concrete counter-ridge 3;

[0026] 3. Install and fix the side template of the upturned concrete counter-ridge 3. After the template is installed and fixed, pour it together with the concrete of the roof structure slab 1; after the concrete strength of the roof structure slab 1 meets the requirements, remove the side template of the upturned concrete counter-ridge and repair some quality defects;

[0027] 4. After the roof is cleaned, the roof waterproofing construction is carried out. When the waterproofing paving construction is carried out at the part where the steel column 11 is out of the roof, the waterproofing membrane 4 reinforcement layer needs to be paved at the corners; the waterproofing membrane 4 is paved on the outside of the upturned concrete anti-ridge 3, and the waterproofing membrane 4 is closed and fixed with fixing nails 5 at the top of the upturned concrete anti-ridge 3, and the junction of the waterproofing membrane 4 and the steel column 11 is sealed with a sealant 6;

[0028] 5. Use welding to weld a 3mm thick special-shaped steel plate 7 to the column of the steel column 1. The special-shaped steel plate 7 is arranged on the upper part of the waterproof joint to cover the waterproof joint; and sealant 6 is used to seal the weld between the 3mm thick special-shaped steel plate and the steel column 11;

[0029] 6. The insulation board 8 is laid on the outside of the waterproof membrane 4, and after the insulation board 8 is laid, a steel mesh 9 is hung on the outside, and waterproof mortar 10 is used for plastering to serve as a protective layer.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A steel structure building steel column roof anti-seepage and anti-rust structure, characterized in that: The invention comprises a roof structure plate (1), steel bars (2), an upturned concrete counter-ridge (3), a waterproof coiled material (4), fixing nails (5), a sealant (6), a special-shaped steel plate (7), a thermal insulation plate (8), a steel wire mesh (9), a waterproof mortar (10) and a steel column (11), wherein the roof structure plate (1) is cast around the steel column (11), the side wall of the steel column (11) is cast with an upturned concrete counter-ridge (3), and the upturned concrete counter-ridge (3) is located on the roof structure plate. (1) top, the outer side of the upturned concrete counter-step (3) is paved with a waterproof roll (4), the top of the upturned concrete counter-step (3) is fixed with a fixing nail (5) to close the waterproof roll (4), the side wall of the steel column (11) is welded and fixed with a special-shaped steel plate (7), and the special-shaped steel plate (7) is located above the closed end of the waterproof roll (4), the outer side of the waterproof roll (4) is paved with a heat preservation board (8), and the outer side of the heat preservation board (8) is provided with a waterproof mortar (10).

2. The anti-seepage and anti-rust structure of steel column roof of steel structure building according to claim 1 is characterized in that: The upward concrete counter-ridge (3) is provided with a steel bar (2).

3. The anti-seepage and anti-rust structure of steel column roof of steel structure building according to claim 1 is characterized in that: A steel mesh (9) is hung on the outside of the insulation board (8), and a waterproof mortar (10) covers the outside of the steel mesh (9).

4. The anti-seepage and anti-rust structure of steel column roof of steel structure building according to claim 1, characterized in that: The junction between the waterproof coiled material (4) and the steel column (11) and the welding seam between the special-shaped steel plate (7) and the steel column (11) are sealed by means of a sealant (6).

5. The anti-seepage and anti-rust structure of steel column roof of steel structure building according to claim 1, characterized in that: The special-shaped steel plate (7) is provided with a vertical portion (12), and the vertical portion (12) is arranged outside the waterproof mortar (10).