Anti-seepage structure at joint of concrete core tube and steel structure floor
By installing water-swellable sealing strips, leak-proof sealing strips, additional layers of waterproof membrane, and waterproof membrane at the joints between the concrete core tube and the steel structure floor slab, combined with protective retaining walls and brick protective layers, a multi-layer waterproof structure is formed, which solves the problem of seepage at the joints and achieves a highly efficient waterproofing effect.
Patent Information
- Application Number
- CN202423245763.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The joint between the concrete core tube and the steel structure floor slab has weak anti-seepage performance, and existing waterproofing measures are prone to failure, resulting in a high risk of leakage, which affects construction quality and owner satisfaction.
The system employs water-swellable sealing strips, leak-proof sealing strips, additional layers of waterproof membrane, and waterproof membrane to form a four-layer waterproof structure. Combined with protective retaining walls and brick protective layers, the waterproofing effect is enhanced.
It effectively reduces the risk of leakage, improves waterproofing and seepage prevention, reduces construction and maintenance costs, and enhances construction quality and owner satisfaction.
Smart Images
Figure CN223824366U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building engineering technical field especially relates to a kind of concrete core tube and steel structure floor joint place's anti-seep structure. BACKGROUND
[0002] With the urbanization construction process, more and more high-rise buildings, among them concrete core tube+outer steel frame structure form also increases. This kind of structure system generally concrete core tube is first constructed, outer steel frame structure is installed after core tube construction to 4-6 layers. In the past many similar projects that have been built, the leakage problem of the joint between the roof outer steel frame structure and the concrete core tube is very serious, the most critical factor causing roof leakage is that there is a construction cold joint between the concrete and the steel truss floor slab, the joint is relatively weak, and there is a serious leakage risk.
[0003] In construction, generally take the way of laying waterproof roll at the joint position of concrete core tube and steel structure floor to stop water, but there is uneven settlement between steel structure system and concrete system, which can easily tear the roll, causing waterproof failure, and the waterproof effect is not good. After the failure of waterproof roll, the construction unit generally adopts the method of grouting to solve the leakage problem, but the method of grouting is difficult to use on the steel structure floor, and this leakage part often becomes the biggest risk point and pain point of the project later finishing and maintenance, which greatly reduces the satisfaction of the owner to the construction unit. Therefore, it is necessary to provide a kind of concrete core tube and steel structure floor joint place's anti-seep structure, which can solve the problem of weak anti-seep performance of the joint between the concrete core tube and the steel structure floor. SUMMARY
[0004] The utility model aims at providing a kind of concrete core tube and steel structure floor joint place's anti-seep structure, which can solve the problem of weak anti-seep performance of the joint between the concrete core tube and the steel structure floor.
[0005] The utility model is realized as follows:
[0006] A kind of concrete core tube and steel structure floor joint place's anti-seep structure, including water-swelling waterstop, water does not leak plugging strip and waterproof roll additional layer;Water-swelling waterstop is embedded in the side wall of concrete core tube, and water-swelling waterstop is located above the joint of concrete core tube and steel structure floor, to form the first waterproof structure;Water does not leak plugging strip is set in the joint bottom of concrete core tube and steel structure floor, to form the second waterproof structure;Waterproof roll additional layer is laid on steel structure floor and is turned up to the side wall of concrete core tube, and waterproof roll additional layer covers water-swelling waterstop, to form the third waterproof structure;Notch is formed on the side wall of concrete core tube, so that the upper end of the turned-up segment of waterproof roll additional layer is sealed and connected with the side wall of concrete core tube in the notch by oil paste.
[0007] The horizontal section of the waterproof roll additional layer has a width of not less than 1m.
[0008] The intersection of the concrete core tube and the steel structure floor slab is constructed with a protective reverse ridge, and the protective reverse ridge covers part of the waterproof roll additional layer.
[0009] The top surface of the protective reverse ridge is located between the water-swelling sealing strip and the notch on the side wall of the concrete core tube, and the top surface of the protective reverse ridge is lower than the top surface of the roof surface layer structure.
[0010] The roof surface layer structure is constructed on the waterproof roll additional layer, and the roof surface layer structure covers the protective reverse ridge.
[0011] The steel structure floor slab is paved with the waterproof roll, the waterproof roll is turned up to the protective reverse ridge and turned up along the protective reverse ridge to the side wall of the concrete core tube, and the upper turning section of the waterproof roll is embedded and sealed in the notch and connected with the side wall of the concrete core tube through oil paste caulking.
[0012] The horizontal section of the waterproof roll is partially laminated and attached to the horizontal section of the waterproof roll additional layer, and the upper turning section of the waterproof roll is partially laminated and attached to the upper turning section of the waterproof roll additional layer.
[0013] The protective reverse ridge is constructed with a brick protective layer, and the brick protective layer covers part of the waterproof roll.
[0014] The top surface of the brick protective layer is not lower than the top surface of the notch on the side wall of the concrete core tube.
[0015] The width of the water-tight sealing strip is not less than 50mm.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1、 the utility model discloses a water-swelling sealing strip, a water-tight sealing strip, a waterproof roll additional layer and a waterproof roll are set up, the water-swelling sealing strip is embedded on the side wall of the concrete core tube, the water-tight sealing strip is used as the water-tight sealing strip to the joint between the steel structure floor slab and the concrete core tube is blocked with water-tight material in the joint of the steel structure floor slab and the side wall of the concrete core tube after the early truss floor deck of the steel structure floor slab is installed, and the waterproof roll additional layer is laid in the intersection area of the steel structure floor slab and the concrete core tube, and finally, the waterproof roll is laid, four waterproof structures are formed, the effective waterproof and anti-seepage effect is reached, the potential leakage risk of the steel structure floor slab is solved, and the leakage risk is effectively reduced.
[0018] 2, The utility model discloses because be equipped with protection reverse ridge and bricklaying protective layer, and protection reverse ridge can protect waterproofing membrane additional layer, and bricklaying protective layer can protect waterproofing membrane, reduce the waterproofing membrane and waterproofing membrane additional layer cracking situation occurs, thereby improve waterproof anti -permeation effect, guarantee anti -leakage effect.
[0019] 3, The utility model discloses simple structure can on -the -spot local material construction, easy operation, construction environmental protection can effectively reduce later roof leakage and roof surface layer repair cost, greatly reduce manual and material cost, be favorable to improving roof construction quality. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the construction section view of the anti -leakage structure of concrete core tube and steel structure floor joint of the utility model;
[0021] Figure 2 It is the construction section view of water -proof plugging strip in the anti -leakage structure of concrete core tube and steel structure floor joint of the utility model;
[0022] Figure 3 It is the construction section view of water -proof plugging strip and waterproofing membrane additional layer in the anti -leakage structure of concrete core tube and steel structure floor joint of the utility model;
[0023] Figure 4 It is the construction section view of protection reverse ridge in the anti -leakage structure of concrete core tube and steel structure floor joint of the utility model.
[0024] In the drawing, 1 water -swelling waterstop, 2 water -proof plugging strip, 3 waterproofing membrane additional layer, 4 protection reverse ridge, 5 waterproofing membrane, 6 concrete core tube, 7 steel structure floor, 8 bricklaying protective layer, 9 roof surface layer structure, 10 oil paste. DETAILED DESCRIPTION
[0025] The utility model will be further explained below in combination with the drawings and specific embodiment.
[0026] Please refer to the drawings Figure 1 to the drawings Figure 3The application discloses a waterproof structure for the joint between a concrete core tube and a steel structure floor slab, which comprises a water-swelling sealing strip 1, a water-proof sealing strip 2 and an additional waterproof roll layer 3; the water-swelling sealing strip 1 is embedded in the side wall of the concrete core tube 6 and is located above the joint between the concrete core tube 6 and the steel structure floor slab 7, thereby forming a first waterproof structure; the water-proof sealing strip 2 is arranged at the bottom of the joint between the concrete core tube 6 and the steel structure floor slab 7, thereby forming a second waterproof structure; the additional waterproof roll layer 3 is arranged on the steel structure floor slab 7 and is turned up to the side wall of the concrete core tube 6, the additional waterproof roll layer 3 covers the water-swelling sealing strip 1, thereby forming a third waterproof structure; and a notch is formed in the side wall of the concrete core tube 6, so that the upper end of the turned-up section of the additional waterproof roll layer 3 is sealingly connected to the side wall of the concrete core tube 6 in the notch through oil paste 10.
[0027] By embedding the water-swelling sealing strip 1 in the side wall of the concrete core tube 6, the water-proof sealing strip 2 is used as a water-proof sealing strip 2 to block the joint between the steel structure floor slab 7 and the concrete core tube 6 after the steel structure floor slab 7 is installed, and the additional waterproof roll layer 3 is arranged in the joint area between the steel structure floor slab 7 and the concrete core tube 6, thereby forming three waterproof structures, achieving effective waterproof and anti-seepage effects by means of waterproofing and blocking, and effectively reducing the risk of leakage.
[0028] Please refer to the accompanying drawings Figure 3 The horizontal section of the additional waterproof roll layer 3 has a width of no less than 1 m.
[0029] The horizontal section of the additional waterproof roll layer 3 has a width of no less than 1 m, so as to ensure the reliability of the arrangement of the additional waterproof roll layer 3, and further ensure the waterproof and anti-seepage effects.
[0030] Please refer to the accompanying drawings Figure 1 and Figure 4 The hinge joint between the concrete core tube 6 and the steel structure floor slab 7 is constructed with a protective reverse ridge 4, and the protective reverse ridge 4 covers part of the additional waterproof roll layer 3.
[0031] Preferably, the protective reverse ridge 4 is formed by pouring concrete, and the size of the protective reverse ridge 4 can be adaptively adjusted according to actual construction conditions; the protective reverse ridge 4 is used for protecting the additional waterproof roll layer 3 and reducing the aging and cracking of the additional waterproof roll layer 3.
[0032] Please refer to the accompanying drawings Figure 4 The top surface of the protective reverse ridge 4 is located between the water-swelling sealing strip 1 and the notch in the side wall of the concrete core tube 6, and the top surface of the protective reverse ridge 4 is lower than the top surface of the roof surface layer structure 9.
[0033] The top surface height of the protection reverse ridge 4 can be adjusted according to the actual construction conditions, and is preferably slightly lower than the top surface of the roof surface layer structure 9. After the construction of the roof surface layer structure 9, the roof surface layer structure 9 can cover the protection reverse ridge 4 to prevent the protection reverse ridge 4 from being exposed and affecting the aesthetics of the roof surface layer structure 9.
[0034] Please refer to the accompanying drawings Figure 1 , the steel structure floor slab 7 is laid with the waterproof roll material 5, the waterproof roll material 5 is turned up to the protection reverse ridge 4 and turned up along the protection reverse ridge 4 to the side wall of the concrete core tube 6, and the upper turning-up section of the waterproof roll material 5 is embedded and sealed in the notch through the oil paste 10 to be connected with the side wall of the concrete core tube 6.
[0035] The waterproof roll material 5 is laid as a waterproof structure for the steel structure floor slab 7 and the roof surface layer structure 9, and simultaneously serves as the fourth waterproof structure at the joint of the concrete core tube 6 and the steel structure floor slab 7, further improving the waterproof and anti-seepage effect.
[0036] Please refer to the accompanying drawings Figure 1 , the horizontal section of the waterproof roll material 5 is partially laminated and attached with the horizontal section of the waterproof roll material additional layer 3, and the upper turning-up section of the waterproof roll material 5 is partially laminated and attached with the upper turning-up section of the waterproof roll material additional layer 3.
[0037] The waterproof roll material 5 and the waterproof roll material additional layer 3 are laminated, and the two layers of waterproof roll materials have a double waterproof effect, further ensuring the waterproof and anti-seepage effect at the joint of the concrete core tube 6 and the steel structure floor slab 7.
[0038] Please refer to the accompanying drawings Figure 1 , the protection reverse ridge 4 is constructed with the brick protection layer 8, and the brick protection layer 8 covers part of the waterproof roll material 5.
[0039] Preferably, the width of the brick protection layer 8 does not exceed the width of the protection reverse ridge 4, so that the brick protection layer 8 can be formed by the masonry of blocks on the top of the protection reverse ridge 4. The size of the brick protection layer 8 can be adjusted according to the actual construction conditions, and is used to protect the waterproof roll material 5 to prevent the aging and cracking of the waterproof roll material 5.
[0040] Please refer to the accompanying drawings Figure 1 , the top surface of the brick protection layer 8 is not lower than the top surface of the notch on the side wall of the concrete core tube 6.
[0041] The brick protection layer 8 can also cover the notch and the oil paste 10 inside the notch, ensuring the sealed connection of the waterproof roll material 5 and the waterproof roll material additional layer 3 with the side wall of the concrete core tube 6, and ensuring the waterproof performance.
[0042] Please refer to the accompanying drawings Figure 1 , the roof surface layer structure 9 is constructed on the waterproof roll material additional layer 3, and the roof surface layer structure 9 covers the protection reverse ridge 4.
[0043] The roof surface structure 9 can be constructed by using conventional construction process, and the structure of the roof surface structure 9 can be determined according to the design requirements of the building, and the structure and construction process are not described herein.
[0044] The width of the water-tight sealing strip 2 is not less than 50 mm, so as to ensure the sealing effect of the gap between the side wall of the concrete core tube 6 and the bottom surface of the steel structure floor 7.
[0045] The construction process of the utility model is:
[0046] Please refer to the attached Figure 3 , step 1: when the concrete pouring of the out-roof part of the concrete core tube 6 is carried out, the water-swelling sealing strip 1 is embedded in the side wall of the concrete core tube 6.
[0047] Please refer to the attached Figure 2 and the attached Figure 3 , step 2: after the floor deck of the steel structure floor 7 is installed, the gap is blocked by using water-tight material along the joint between the bottom surface of the steel structure floor 7 and the concrete core tube 6, so as to form the water-tight sealing strip 2, and the width of the water-tight sealing strip 2 is not less than 50 mm.
[0048] Please refer to the attached Figure 3 , step 3: the concrete pouring is carried out on the floor deck to form the steel structure floor 7, and the waterproof material additional layer 3 is laid at the joint between the steel structure floor 7 and the side wall of the concrete core tube 6. The planar laying width of the waterproof material additional layer 3 on the steel structure floor 7 is not less than 1 m, and the waterproof material additional layer 3 is folded up to the notch reserved on the concrete core tube 6.
[0049] Please refer to the attached Figure 4 , step 4: a 300 mm wide protection reverse ridge 4 is poured along the side wall of the concrete core tube 6, the protection reverse ridge 4 covers part of the waterproof material additional layer 3, and the height of the protection reverse ridge 4 can be adjusted according to the thickness of the roof surface structure 9, so that the top surface of the protection reverse ridge 4 is slightly lower than the top surface of the roof surface structure 9.
[0050] Please refer to the attached Figure 4 , step 5: the waterproof material 5 is laid on the large surface of the steel structure floor 7, the waterproof material 5 is folded up along the surface of the protection reverse ridge 4 to the side wall of the concrete core tube 6, and the top of the folded-up segments of the waterproof material 5 and the waterproof material additional layer 3 is folded up through the notch reserved on the side wall of the concrete core tube 6, then the oil paste 10 is embedded and sealed, so as to ensure the waterproof effect.
[0051] The waterproof material 5 and the waterproof material additional layer 3 are partially overlaid and laid in the horizontal segment and the vertical folded-up segment, so that the waterproof effect is improved by using the double-layer waterproof material.
[0052] Please refer to the attached Figure 1, step 6: laying the insulation board, pouring the roof surface layer concrete to form the roof surface layer structure 9. In order to prevent the aging and cracking of the waterproof roll 5 and the waterproof roll additional layer 3, the bricklaying protection layer 8 is built on the protection reverse ridge 4, and the bricklaying protection layer 8 is used to cover the upward turning section and the horizontal section of the waterproof roll 5 and the waterproof roll additional layer 3 which are located on the top surface of the protection reverse ridge 4.
[0053] The above is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application, therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A leak-proof structure at the joint between a concrete core tube and a steel structure floor slab, characterized in that: The structure includes a water-swellable sealing strip (1), a water-proof sealing strip (2), and an additional waterproof membrane layer (3). The water-swellable sealing strip (1) is embedded in the side wall of the concrete core tube (6) and is located above the joint between the concrete core tube (6) and the steel structure floor slab (7), forming the first waterproof structure. The water-proof sealing strip (2) is set at the bottom of the joint between the concrete core tube (6) and the steel structure floor slab (7), forming the second waterproof structure. The additional waterproof membrane layer (3) is laid on the steel structure floor slab (7) and turned up to the side wall of the concrete core tube (6). The additional waterproof membrane layer (3) covers the water-swellable sealing strip (1), forming the third waterproof structure. A notch is formed on the side wall of the concrete core tube (6), so that the upper end of the upturned section of the additional waterproof membrane layer (3) is sealed and connected to the side wall of the concrete core tube (6) through the notch with grease (10).
2. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab as described in claim 1, characterized in that: The width of the horizontal section of the additional waterproof membrane layer (3) is not less than 1m.
3. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab as described in claim 1, characterized in that: At the junction of the concrete core tube (6) and the steel structure floor slab (7), a protective retaining wall (4) is constructed, which covers part of the additional layer (3) of waterproof membrane.
4. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab as described in claim 3, characterized in that: The top surface of the protective invert (4) is located between the water-swellable sealing strip (1) and the recess on the side wall of the concrete core tube (6), and the top surface of the protective invert (4) is lower than the top surface of the roof surface structure (9).
5. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab according to claim 4, characterized in that: The roof surface structure (9) is constructed on the waterproof membrane additional layer (3), and the roof surface structure (9) covers and protects the anti-sill (4).
6. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab according to claim 3 or 4, characterized in that: Waterproof membrane (5) is laid on the steel structure floor slab (7). The waterproof membrane (5) is turned up onto the protective curb (4) and then turned up along the protective curb (4) to the side wall of the concrete core tube (6). The upper end of the turned-up section of the waterproof membrane (5) is sealed and connected to the side wall of the concrete core tube (6) by caulking with grease (10) in the recess.
7. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab as described in claim 6, characterized in that: The horizontal section of the waterproof membrane (5) is partially overlapped with the horizontal section of the additional waterproof membrane layer (3), and the upward section of the waterproof membrane (5) is partially overlapped with the upward section of the additional waterproof membrane layer (3).
8. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab according to claim 6, characterized in that: A brick protective layer (8) is constructed on the protective retaining wall (4), and the brick protective layer (8) covers part of the waterproof membrane (5).
9. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab as described in claim 8, characterized in that: The top surface of the brick protective layer (8) is not lower than the top surface of the recess on the side wall of the concrete core tube (6).
10. The anti-seepage structure at the joint between the concrete core tube and the steel structure floor slab according to claim 1, characterized in that: The width of the water-proof sealing strip (2) is not less than 50mm.