Steel column protruding roof waterproof node structure

Abstract

The utility model relates to a kind of steel stand column extends roof waterproof node structure, including roof main body, steel stand column, the top of steel stand column extends to the above of roof main body, a circle of reverse ridge guide wall is arranged around steel stand column on roof main body, a circle of eaves is arranged on the top of reverse ridge guide wall, water layer is installed at the internal corner between roof main body and reverse ridge guide wall, roof waterproof heat-insulating composite layer is arranged on the horizontal portion of water layer and roof main body, large R angle waterproof protective layer is arranged between the vertical portion of water layer and roof waterproof heat-insulating composite layer, stainless steel water-shedding plate, which is covered above eaves, is welded on steel stand column.Affirmative effect is: by setting a circle of reverse ridge guide wall extending upwards, a circle of eaves is set on the top of reverse ridge guide wall and protrudes outward, water layer is installed at the internal corner between roof main body and reverse ridge guide wall, roof waterproof heat-insulating composite layer is arranged on the horizontal portion of water layer and roof main body, form multiple waterproof structures, improve waterproof effect.

Description

Technical Field

[0001] This utility model relates to the field of building waterproofing technology, and in particular to a waterproof joint structure for a steel column extending from the roof. Background Technology

[0002] With the increasing number of high-rise and multi-story steel structure industrial buildings, steel structure industrial buildings often have steel columns protruding from the roof. However, the roof waterproofing membrane cannot be directly fixed to the steel columns. As a result, some construction workers use caulking to seal the junction between the steel columns and the roof. After a period of exposure to wind and sun, the caulking will age and create gaps, causing water to seep into the junction between the steel columns and the roof. Utility Model Content

[0003] The purpose of this utility model is to overcome the above-mentioned problems in the existing technology and provide a structure for a waterproof joint of a steel column extending from the roof.

[0004] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0005] A steel column extending from a roof waterproofing node structure includes a roof body and a steel column. The top of the steel column extends above the roof body. A ring of upward-extending anti-reverse retaining walls is provided around the steel column on the roof body. A ring of outward-protruding eaves is provided at the top of the anti-reverse retaining walls. A flashing layer is installed at the internal corner between the roof body and the anti-reverse retaining walls. A roof waterproofing and thermal insulation composite layer is provided on the horizontal part of the flashing layer and the roof waterproofing and thermal insulation composite layer. A large-radius waterproofing protective layer is provided between the vertical part of the flashing layer and the roof waterproofing and thermal insulation composite layer. A stainless steel drip edge is welded onto the steel column and covers the eaves.

[0006] Among them, the top of the anti-reverse guide wall, the surface of the eaves and the surface of the large R-angle waterproof protective layer are sprayed to form a real stone paint layer.

[0007] Specifically, a ring of architectural sealant is applied at the angle between the top of the real stone paint layer and the steel column to form the first sealant ring.

[0008] The eaves have a ring of downward-extending eagle beaks around their bottom outer perimeter.

[0009] The top of the flashing layer is fixed to the anti-reflective guide wall below the eaves with cement nails and aluminum alloy strips.

[0010] The roof waterproof and thermal insulation composite layer includes, from bottom to top, a rubber waterproof pad, a thermal insulation board, and a plain concrete surface layer. A trapezoidal cross-section partition joint is reserved at the root of the large R-angle waterproof protective layer on the plain concrete surface layer, and the partition joint is filled with polyurethane waterproof coating.

[0011] In this process, a ring of building sealant is applied to the gap between the vertical part of the flashing layer and the plain concrete surface layer to form a second sealant ring.

[0012] The inner side of the anti-reverse guide wall is edged with a steel plate.

[0013] The beneficial effects of this utility model are:

[0014] 1. By setting up an upward-extending anti-reverse retaining wall, and setting an outward-protruding eaves at the top of the anti-reverse retaining wall, a flashing layer is installed at the inside corner between the main roof and the anti-reverse retaining wall. A roof waterproofing and thermal insulation composite layer is set on the horizontal part of the flashing layer and the main roof, forming a multi-layer waterproof structure to improve the waterproofing effect.

[0015] 2. By installing a ring of stainless steel drip edge, rainwater is prevented from directly impacting the top of the retaining wall, thus avoiding leakage at the junction of the steel column and the retaining wall caused by heavy rain.

[0016] 3. By setting a large radius waterproof protective layer and setting a slope for water drainage, rainwater can be easily discharged, preventing water from accumulating at the inside corner between the retaining wall and the main roof structure, thus improving the waterproofing effect. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0018] Figure 1 This is a structural schematic diagram of the steel column extending from the roof waterproofing node in this utility model;

[0019] Figure 2 yes Figure 1 Enlarged structural diagram of part A in the middle;

[0020] Figure 3 yes Figure 1 Enlarged structural diagram of section B;

[0021] Explanation of the numbers in the diagram: 1. Main roof structure; 2. Steel column; 3. Reverse curb guide wall; 4. Eaves; 5. Flashing; 6. Roof waterproof and thermal insulation composite layer; 7. Large R-angle waterproof protective layer; 8. Stainless steel flashing; 9. Stone paint layer; 10. First sealing sealant ring; 11. Beak; 12. Cement nail; 13. Aluminum alloy pressure strip; 14. Rubber waterproof gasket; 15. Thermal insulation board; 16. Plain concrete surface layer; 17. Polyurethane waterproof coating; 18. Second sealing sealant ring; 19. Steel plate edging. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] like Figures 1 to 3 As shown, a steel column extending from the roof waterproofing node structure includes a roof body 1 and a steel column 2, with the top of the steel column 2 extending above the roof body 1.

[0024] A ring of upward-extending anti-reinforcement guide walls 3 is provided around the steel columns 2 on the main roof 1. A ring of outward-protruding eaves 4 is provided at the top of the anti-reinforcement guide walls 3. A flashing layer 5 is installed at the inside corner between the main roof 1 and the anti-reinforcement guide walls 3. A roof waterproofing and thermal insulation composite layer 6 is provided on the horizontal part of the flashing layer 5 and the roof waterproofing and thermal insulation composite layer 6. A large R-angle waterproofing protective layer 7 is provided between the vertical part of the flashing layer 5 and the roof waterproofing and thermal insulation composite layer 6. The large R-angle waterproofing protective layer 7 is made of plain concrete and forms a multi-layer waterproofing structure to improve the waterproofing effect.

[0025] A stainless steel drip edge 8 is welded onto the steel column 2 and covers the eaves 4 to prevent rainwater from directly impacting the top of the retaining wall and to avoid leakage at the junction of the steel column and the retaining wall due to heavy rain.

[0026] A real stone paint layer 9 is sprayed onto the top of the anti-reinforcement guide wall 3, the surface of the eaves 4, and the surface of the large R-corner waterproof protective layer 7. On the one hand, it forms a waterproof and water-repellent structure on the top of the anti-reinforcement guide wall 3, the surface of the eaves 4, and the surface of the large R-corner waterproof protective layer 7. On the other hand, it improves the aesthetics of the surfaces of the anti-reinforcement guide wall 3, the eaves 4, and the large R-corner waterproof protective layer 7.

[0027] Apply a ring of building sealant to the corner between the top of the stone paint layer 9 and the steel column 2 to form the first sealant ring 10, which improves the sealing effect at the corner between the top of the stone paint layer 9 and the steel column 2 and prevents rainwater from seeping into the gap between the steel column 2 and the anti-sill guide wall 3 from the corner between the top of the stone paint layer 9 and the steel column 2.

[0028] A ring of downward-extending beaks 11 is provided around the bottom outer perimeter of the eaves 4, so that rainwater falling on the outer surface of the eaves 4 falls along the beaks onto the large R-corner waterproof protective layer 7, preventing rainwater from flowing along the bottom of the eaves 4 and acting as a drip line.

[0029] In this embodiment, the flashing layer 5 is formed by laying a 2mm thick non-curing rubber asphalt waterproof coating and a 3mm thick self-adhesive polymer modified asphalt waterproof membrane; the top of the flashing layer 5 is fixed to the anti-sill guide wall 3 below the eaves 4 with cement nails 12 and aluminum alloy strips 13 to prevent the top of the flashing layer 5 from falling off.

[0030] The roof waterproof and thermal insulation composite layer 6 includes, from bottom to top, a rubber waterproof pad 14, a thermal insulation board 15, and a plain concrete surface layer 16. A trapezoidal cross-section partition joint is reserved at the root of the large R-angle waterproof protective layer 7 on the plain concrete surface layer 16, and the partition joint is filled with polyurethane waterproof coating 17.

[0031] By setting up expansion joints to disperse the stress in the plain concrete surface layer 16, excessive stress concentration is avoided, effectively limiting the cracking of the plain concrete surface layer 16.

[0032] A ring of building sealant is applied to the gap between the vertical part of the flashing layer 5 and the plain concrete surface layer 16 to form a second sealant ring 18, preventing rainwater from seeping into the gap between the vertical part of the flashing layer 5 and the plain concrete surface layer 16.

[0033] The inner side of the anti-reinforcement guide wall 3 is provided with a steel plate edging 19, which improves the dimensional accuracy of the inner side of the anti-reinforcement guide wall 3 on the one hand; on the other hand, by welding the steel plate edging 19 to the steel column, it facilitates the connection between the steel column and the anti-reinforcement guide wall 3.

[0034] The specific implementation steps are as follows:

[0035] Step 1: During the construction of the main roof structure, a reinforced concrete inverted sill guide wall is constructed together with the main roof structure. The height of the inverted sill guide wall is 500mm higher than the finished surface elevation of the main roof structure. The thickness of the inverted sill guide wall is 100mm, and the eaves protrude by 100mm. The longitudinal reinforcement in the inverted sill guide wall uses Grade III steel with a spacing of 8mm@200mm, and the horizontal reinforcement uses Grade III steel with a spacing of 8mm@200mm.

[0036] Step 2: Lay the flashing layer using 2mm thick non-curing rubber asphalt waterproof coating and 3mm thick self-adhesive polymer modified asphalt waterproof membrane, and use cement nails 12 and aluminum alloy strips 13 to fix the top of the flashing layer 5 to the anti-sill guide wall 3 below the eaves 4.

[0037] Step 3: Lay the rubber waterproof pad 14 and the insulation board 15 in sequence. Apply a ring of building sealant to the inside corner between the top of the rubber waterproof pad 14 and the insulation board 15 to form a second sealant ring 18. Then, pour plain concrete on the insulation board 15 to form a plain concrete surface layer 16. Embed a PVC trapezoidal separator strip on the plain concrete surface layer 16. Remove the strip immediately after the concrete has set. Fill the gaps with a single-component polyurethane waterproof coating. Before filling the gaps, use masking tape to stick on both sides of the separator joint to avoid contaminating other areas and affecting the appearance.

[0038] Step 4: Use C20 plain concrete to pour a large R-angle waterproof protective layer 7 at the inside corner between the plain concrete surface layer 16 and the flashing layer, and use an arc mold to repair and smooth it.

[0039] Step 5: Apply a stone-like paint layer 9 to the top of the anti-reverse guide wall 3, the surface of the eaves 4, and the surface of the large R-angle waterproof protective layer 7. Then, apply a ring of building sealant to the corner between the top of the stone-like paint layer 9 and the steel column 2 to form the first sealant ring 10.

[0040] Step 6: Weld a ring of stainless steel drip edge to the steel column above the anti-reverse guide wall.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A steel column extending from a roof waterproofing joint structure, comprising a roof body and a steel column, wherein the top of the steel column extends above the roof body, characterized in that: A ring of upward-extending anti-reflective walls is provided around the steel columns on the main body of the roof. A ring of outward-protruding eaves is provided at the top of the anti-reflective walls. A flashing layer is installed at the inside corner between the main body of the roof and the anti-reflective walls. A roof waterproof and thermal insulation composite layer is provided on the horizontal part of the flashing layer and the roof waterproof and thermal insulation composite layer. A large-radius waterproof protective layer is provided between the vertical part of the flashing layer and the roof waterproof and thermal insulation composite layer. A stainless steel drip edge is welded onto the steel columns and covers the eaves.

2. The steel column extending from the roof waterproof joint structure according to claim 1, characterized in that: The top of the anti-reverse guide wall, the surface of the eaves, and the surface of the large R-angle waterproof protective layer are sprayed to form a real stone paint layer.

3. The steel column extending from the roof waterproof joint structure according to claim 2, characterized in that: A ring of architectural sealant is applied to the angle between the top of the real stone paint layer and the steel column to form the first sealant ring.

4. The steel column extending from the roof waterproof joint structure according to claim 1, characterized in that: A ring of downward-extending eagle beaks is provided around the bottom outer perimeter of the eaves.

5. The steel column extending from the roof waterproof joint structure according to claim 1, characterized in that: The top of the flashing layer is fixed to the anti-reflective guide wall below the eaves with cement nails and aluminum alloy strips.

6. The steel column extending from the roof waterproof joint structure according to claim 1, characterized in that: The roof waterproof and thermal insulation composite layer includes, from bottom to top, a rubber waterproof pad, a thermal insulation board, and a plain concrete surface layer. A trapezoidal cross-section partition joint is reserved at the root of the large R-angle waterproof protective layer on the plain concrete surface layer, and the partition joint is filled with polyurethane waterproof coating.

7. The steel column extending from the roof waterproof joint structure according to claim 6, characterized in that: A second sealing ring is formed by applying a ring of building sealant to the gap between the vertical part of the flashing layer and the plain concrete surface layer.

8. The steel column extending from the roof waterproof joint structure according to claim 1, characterized in that: The inner side of the anti-reverse guide wall is edged with a steel plate.

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