Waterproof structure for junction of core tube and combined floor support plate roof
By installing a waterproof structure consisting of a ring-shaped vertical water-retaining sill and water-stop strips at the junction of the core tube and the composite floor slab roof, the leakage problem at the junction of the core tube and the composite floor slab roof was solved, achieving efficient waterproofing and low-cost construction.
Patent Information
- Application Number
- CN202520019604.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Leakage is prone to occur at the junction of the core tube and the composite floor deck roof, and existing technologies are insufficient to effectively waterproof it.
A ring-shaped vertical water-retaining sill and a ring-shaped water-stop strip are installed at the junction of the core tube and the composite floor slab roof. Combined with the waterproof structure consisting of pre-embedded steel bars and waterproof membrane layers, the risk of leakage at construction joints is reduced by setting a ring-shaped vertical water-retaining sill on the outside of the core tube wall.
It effectively reduces leakage at the junction of the core tube and the composite floor deck roof, improves waterproofing, has a simple structure, is easy to construct, has low cost, and is suitable for large-scale promotion and application.
Smart Images
Figure CN223937499U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, and in particular to the field of waterproofing technology at the junction of core tube and composite floor deck roof, specifically referring to a waterproofing structure for the junction of core tube and composite floor deck roof. Background Technology
[0002] Building construction refers to the production activities during the implementation phase of an engineering project. It is the process of building various types of structures, or the process of turning the lines on design drawings into a physical object at a designated location. It includes foundation construction, main structure construction, roofing construction, and decoration construction.
[0003] With the continuous development of building technology and people's increasing requirements for building safety and comfort, composite floor decking is increasingly being used in office building structures due to its advantages such as stronger load-bearing capacity and shorter construction cycle.
[0004] For high-rise office buildings, a core tube, steel frame and composite floor deck roof structure is often used. Since the core tube and composite floor deck roof cannot be poured together, leakage is likely to occur at the junction of the core tube and the composite floor deck roof.
[0005] Therefore, it is desirable to provide a waterproof structure at the junction of the core tube and the composite floor deck roof, which can reduce leakage at the junction of the core tube and the composite floor deck roof and improve the waterproof effect at the junction of the core tube and the composite floor deck roof. Utility Model Content
[0006] In order to overcome the shortcomings of the prior art, one objective of this utility model is to provide a waterproof structure at the junction of the core tube and the composite floor deck roof, which can reduce leakage at the junction of the core tube and the composite floor deck roof, improve the waterproof effect at the junction of the core tube and the composite floor deck roof, and is suitable for large-scale promotion and application.
[0007] Another objective of this utility model is to provide a waterproof structure for the junction of the core tube and the composite floor deck roof. It is ingeniously designed, simple in structure, easy to construct, and has low construction cost, making it suitable for large-scale promotion and application.
[0008] To achieve the above objectives, this utility model provides a waterproof structure at the junction of a core tube and a composite floor deck roof, comprising a core tube wall and a composite floor deck roof. The core tube wall is vertically arranged, and the composite floor deck roof is horizontally arranged and fitted onto the outside of the core tube wall. The waterproof structure at the junction of the core tube and the composite floor deck roof further includes an annular vertical water-retaining sill, which is fitted onto the outside of the core tube wall and installed on the composite floor deck roof.
[0009] Preferably, the annular vertical water-retaining sill is a concrete water-retaining sill.
[0010] Preferably, the height of the annular vertical water-retaining sill is 200mm.
[0011] Preferably, the top surface of the annular vertical water-retaining sill is inclined downwards in the direction away from the core tube wall.
[0012] Preferably, the part on the outer side of the core tube wall that connects with the combined floor deck roof and the annular vertical water-retaining sill is a roughened part.
[0013] Preferably, the core tube wall is a concrete shear wall.
[0014] Preferably, the waterproof structure at the junction of the core tube and the composite floor deck roof further includes an annular waterstop strip, which is horizontally arranged and sleeved on the outside of the core tube wall and located in the annular vertical water-retaining sill.
[0015] Preferably, the waterproof structure at the junction of the core tube and the composite floor slab roof further includes embedded steel bars, which are horizontally arranged and respectively installed in the core tube wall and the composite floor slab roof. There are multiple embedded steel bars, which are horizontally arranged around the core tube wall at intervals.
[0016] More preferably, the waterproofing structure at the junction of the core tube and the composite floor deck roof further includes corrugated steel bars in the floor deck, a first ring steel bar in the floor deck, a second ring steel bar in the floor deck, U-shaped steel bars in the water-retaining sill, inner ring steel bars in the water-retaining sill, and outer ring steel bars in the water-retaining sill, wherein:
[0017] The corrugated steel bars of the floor decking are horizontally arranged in the composite floor decking roof. One end of the corrugated steel bar abuts against the core tube wall, and the other end extends away from the core tube wall. The first annular steel bar of the floor decking is horizontally arranged, sleeved on the core tube wall and located in the composite floor decking roof, and positioned at the trough of the corrugated steel bar. There are multiple first annular steel bars, which are arranged concentrically. The embedded steel bar is located above the corrugated steel bar of the floor decking. The second annular steel bar of the floor decking is horizontally arranged, sleeved on the core tube wall and located in the composite floor decking roof, and positioned on the embedded steel bar. There are multiple second annular steel bars, which are arranged concentrically.
[0018] The U-shaped reinforcing bars of the water-retaining sill are vertically arranged and positioned away from the core tube wall, and are located within the annular vertical water-retaining sill. Both vertical reinforcing bars of the U-shaped water-retaining sill extend downwards into the composite floor slab roof and connect to the pre-embedded reinforcing bars and the corrugated reinforcing bars of the floor slab. The number of corrugated reinforcing bars in the floor slab and the number of U-shaped reinforcing bars in the water-retaining sill are the same as the number of pre-embedded reinforcing bars. The corrugated reinforcing bars in the floor slab, the U-shaped reinforcing bars in the water-retaining sill, and the pre-embedded reinforcing bars are arranged in a one-to-one correspondence. The inner and outer annular reinforcing bars of the water-retaining sill are both horizontally arranged and fitted within the core tube wall. All of the above are located outside the annular vertical water-retaining sill. The inner annular reinforcing bars of the water-retaining sill are located inside the outer annular reinforcing bars of the water-retaining sill. Both the inner and outer annular reinforcing bars of the water-retaining sill are located between the two vertical reinforcing bars of the U-shaped reinforcing bars of the water-retaining sill and are respectively connected to the two vertical reinforcing bars of the U-shaped reinforcing bars of the water-retaining sill. There are multiple inner annular reinforcing bars of the water-retaining sill, which are vertically spaced apart from each other. The number of outer annular reinforcing bars of the water-retaining sill is the same as the number of inner annular reinforcing bars of the water-retaining sill. The outer annular reinforcing bars of the water-retaining sill and the inner annular reinforcing bars of the water-retaining sill are arranged in a one-to-one correspondence.
[0019] Preferably, the waterproofing structure at the junction of the core tube and the composite floor deck roof further includes a waterproof membrane layer, a slope-forming layer, an insulation layer, and a protective layer. The waterproof membrane layer includes a first annular vertical membrane layer, a second annular vertical membrane layer, an annular connecting membrane layer, and a horizontal membrane layer. The horizontal membrane layer is fitted over the annular vertical water-retaining sill and laid on the composite floor deck roof. The second annular vertical membrane layer is fitted over the outer surface of the annular vertical water-retaining sill, and the lower end of the second annular vertical membrane layer is connected to the horizontal membrane layer. The first annular vertical membrane layer is fitted over the outer surface of the core tube wall. The connecting roll layer is laid on the top surface of the annular vertical water-retaining sill and is located between the lower end of the first annular vertical roll layer and the upper end of the second annular vertical roll layer, respectively connecting the lower end of the first annular vertical roll layer and the upper end of the second annular vertical roll layer. The slope-finding layer is horizontally set and sleeved on the second annular vertical roll layer and is set on the horizontal roll layer. The thermal insulation layer is horizontally set and sleeved on the second annular vertical roll layer and is set on the slope-finding layer. The protective layer is horizontally set and sleeved on the first annular vertical roll layer and is set on the thermal insulation layer and the annular connecting roll layer, respectively.
[0020] The main beneficial effects of this utility model are as follows:
[0021] 1. The waterproof structure of this utility model for the junction of the core tube and the composite floor deck roof includes a core tube wall, a composite floor deck roof, and an annular vertical water-retaining sill. The core tube wall is vertically arranged, the composite floor deck roof is horizontally arranged and fitted onto the outside of the core tube wall, and the annular vertical water-retaining sill is fitted onto the outside of the core tube wall and set on the composite floor deck roof. By setting an annular vertical water-retaining sill on the outside of the core tube wall and on the composite floor deck roof, the risk of leakage at the construction joint around the core tube is reduced, and the waterproofing effect of the roof structure is achieved. Therefore, it can reduce leakage at the junction of the core tube and the composite floor deck roof, improve the waterproofing effect at the junction of the core tube and the composite floor deck roof, and is suitable for large-scale promotion and application.
[0022] 2. The waterproof structure of this utility model for the junction of the core tube and the composite floor deck roof includes a core tube wall, a composite floor deck roof, and an annular vertical water-retaining sill. The core tube wall is vertically arranged, the composite floor deck roof is horizontally arranged and fitted onto the outside of the core tube wall, and the annular vertical water-retaining sill is fitted onto the outside of the core tube wall and set on the composite floor deck roof. By setting an annular vertical water-retaining sill on the outside of the core tube wall and on the composite floor deck roof, the risk of leakage at the construction joint around the core tube is reduced, and the waterproofing effect of the roof structure is achieved. Therefore, its design is ingenious, its structure is simple, its construction is convenient, its construction cost is low, and it is suitable for large-scale promotion and application.
[0023] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description
[0024] Figure 1 This is a partial front sectional view of a specific embodiment of the waterproof structure for the junction of the core tube and the composite floor deck roof of this utility model.
[0025] (Symbol Explanation)
[0026] 1. Core tube wall; 2. Composite floor deck roof; 3. Circular vertical water-retaining sill; 4. Circular waterstop strip; 5. Embedded steel bars; 6. Corrugated steel bars of floor deck; 7. First ring steel bars of floor deck; 8. Second ring steel bars of floor deck; 9. Gate-shaped steel bars of water-retaining sill; 10. Inner ring steel bars of water-retaining sill; 11. Outer ring steel bars of water-retaining sill; 12. Waterproof membrane layer; 13. Slope-finding layer; 14. Insulation layer; 15. Protective layer; 16. First ring vertical membrane layer; 17. Second ring vertical membrane layer; 18. Circular connecting membrane layer; 19. Horizontal membrane layer. Detailed Implementation
[0027] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.
[0028] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0029] Please see Figure 1 As shown, in a specific embodiment of this utility model, the waterproof structure for the junction of the core tube and the composite floor deck roof includes a core tube wall 1, a composite floor deck roof 2, and an annular vertical water-retaining sill 3. The core tube wall 1 is vertically arranged, the composite floor deck roof 2 is horizontally arranged and sleeved on the outside of the core tube wall 1, and the annular vertical water-retaining sill 3 is sleeved on the outside of the core tube wall 1 and arranged on the composite floor deck roof 2.
[0030] The annular vertical water-retaining sill 3 can be made of any suitable material. In a specific embodiment of this utility model, the annular vertical water-retaining sill 3 is a concrete water-retaining sill.
[0031] The height of the annular vertical water-retaining sill 3 can be determined as needed. In a specific embodiment of this utility model, the height of the annular vertical water-retaining sill 3 is 200mm.
[0032] The top surface of the annular vertical water-retaining sill 3 can be set in any suitable direction; please refer to [link / reference]. Figure 1 As shown, in a specific embodiment of this utility model, the top surface of the annular vertical water-retaining sill 3 is inclined downward along the direction away from the core tube wall 1.
[0033] The portion of the outer surface of the core tube wall 1 that connects to the combined floor deck roof 2 and the annular vertical water-retaining sill 3 can be a roughened portion or an unroughened portion. Please refer to [link to relevant documentation]. Figure 1 As shown, in a specific embodiment of this utility model, the part on the outer side of the core tube wall 1 that connects with the combined floor deck roof 2 and the annular vertical water-retaining sill 3 is a roughened part.
[0034] The core tube wall 1 can be any suitable type of wall. In a specific embodiment of this utility model, the core tube wall 1 is a concrete shear wall.
[0035] The waterproofing structure at the junction of the core tube and the composite floor deck roof can also include any other suitable components; please refer to [link / reference needed]. Figure 1As shown, in a specific embodiment of this utility model, the waterproof structure at the junction of the core tube and the combined floor deck roof further includes an annular waterstop strip 4, which is horizontally arranged and sleeved on the outside of the core tube wall 1 and located in the annular vertical water-retaining sill 3.
[0036] The annular waterstop strip 4 can be any suitable type of waterstop strip. In a specific embodiment of this utility model, the annular waterstop strip 4 is a water-swellable waterstop strip.
[0037] The waterproofing structure at the junction of the core tube and the composite floor deck roof can also include any other suitable components; please refer to [link / reference needed]. Figure 1 As shown, in a specific embodiment of this utility model, the waterproof structure at the junction of the core tube and the combined floor slab roof further includes embedded steel bars 5. The embedded steel bars 5 are horizontally arranged and respectively arranged in the core tube wall 1 and the combined floor slab roof 2. There are multiple embedded steel bars 5, which are horizontally arranged around the core tube wall 1 at intervals.
[0038] The number of pre-embedded steel bars 5 can be determined as needed. The term "multiple bars" refers to more than two bars, such as 50, 60, 70, or 80 bars, etc. In a specific embodiment of this utility model, the number of pre-embedded steel bars 5 is 60 bars.
[0039] The waterproofing structure at the junction of the core tube and the composite floor deck roof can also include any other suitable components; please refer to [link / reference needed]. Figure 1 As shown, in a specific embodiment of this utility model, the waterproof structure at the junction of the core tube and the composite floor deck roof further includes corrugated steel bars 6, first annular steel bars 7, second annular steel bars 8, U-shaped steel bars 9, inner annular steel bars 10, and outer annular steel bars 11, wherein:
[0040] The corrugated steel bars 6 of the floor decking are horizontally arranged in the composite floor decking roof 2. One end of the corrugated steel bars 6 abuts against the core tube wall 1, and the other end extends away from the core tube wall 1. The first annular steel bars 7 of the floor decking are horizontally arranged, sleeved outside the core tube wall 1 and located in the composite floor decking roof 2, and positioned at the trough of the corrugated steel bars 6. There are multiple first annular steel bars 7, which are arranged concentrically. The embedded steel bars 5 are located above the corrugated steel bars 6. The second annular steel bars 8 of the floor decking are horizontally arranged, sleeved outside the core tube wall 1 and located in the composite floor decking roof 2, and positioned on the embedded steel bars 5. There are multiple second annular steel bars 8, which are arranged concentrically.
[0041] The U-shaped reinforcing bars 9 of the water-retaining sill are vertically arranged and along the length of the corrugated reinforcing bars 6 of the floor deck, and are located within the annular vertical water-retaining sill 3. Both vertical reinforcing bars of the U-shaped reinforcing bars 9 extend downwards into the combined floor deck roof 2 and connect to the embedded reinforcing bars 5 and the corrugated reinforcing bars 6 of the floor deck. The number of corrugated reinforcing bars 6 and the number of U-shaped reinforcing bars 9 of the water-retaining sill are the same as the number of embedded reinforcing bars 5. The corrugated reinforcing bars 6 of the floor deck, the U-shaped reinforcing bars 9 of the water-retaining sill, and the embedded reinforcing bars 5 are arranged in a one-to-one correspondence. The inner annular reinforcing bars 10 and the outer annular reinforcing bars 11 of the water-retaining sill are both horizontally arranged and fitted within the core tube wall 1. All are located within the annular vertical water-retaining sill 3. The inner annular reinforcing bars 10 of the water-retaining sill are located within the outer annular reinforcing bars 11 of the water-retaining sill. Both the inner annular reinforcing bars 10 and the outer annular reinforcing bars 11 of the water-retaining sill are located between the two vertical reinforcing bars of the U-shaped reinforcing bars 9 of the water-retaining sill and are respectively connected to the two vertical reinforcing bars of the U-shaped reinforcing bars 9 of the water-retaining sill. There are multiple inner annular reinforcing bars 10 of the water-retaining sill, which are vertically spaced apart from each other. The number of outer annular reinforcing bars 11 of the water-retaining sill is the same as the number of inner annular reinforcing bars 10 of the water-retaining sill. The outer annular reinforcing bars 11 of the water-retaining sill are arranged in a one-to-one correspondence with the inner annular reinforcing bars 10 of the water-retaining sill.
[0042] The number of the first annular reinforcing bars 7 and the number of the second annular reinforcing bars 8 in the floor decking can be determined as needed. The term "multiple" refers to two or more, but it does not mean that the number of the first annular reinforcing bars 7 and the number of the second annular reinforcing bars 8 in the floor decking are the same. The number of the first annular reinforcing bars 7 and the number of the second annular reinforcing bars 8 in the floor decking can be the same or different. Preferably, the number of the first annular reinforcing bars 7 and the number of the second annular reinforcing bars 8 in the floor decking are the same. In a specific embodiment of this utility model, the number of the first annular reinforcing bars 7 and the number of the second annular reinforcing bars 8 in the floor decking are both 30.
[0043] The number of the inner ring-shaped reinforcing bars 10 of the water-retaining sill can be determined as needed; please refer to [reference needed]. Figure 1 As shown, in a specific embodiment of this utility model, the number of inner annular reinforcing bars 10 of the water-retaining sill is two. Correspondingly, the number of outer annular reinforcing bars 11 of the water-retaining sill is also two.
[0044] The waterproofing structure at the junction of the core tube and the composite floor deck roof can also include any other suitable components; please refer to [link / reference needed]. Figure 1 As shown in a specific embodiment of this utility model, the waterproof structure at the junction of the core tube and the composite floor slab roof further includes a waterproof membrane layer 12, a slope-finding layer 13, an insulation layer 14, and a protective layer 15. The waterproof membrane layer 12 includes a first annular vertical membrane layer 16, a second annular vertical membrane layer 17, an annular connecting membrane layer 18, and a horizontal membrane layer 19. The horizontal membrane layer 19 is fitted over the annular vertical water-retaining sill 3 and laid on the composite floor slab roof 2. The second annular vertical membrane layer 17 is fitted over the outer surface of the annular vertical water-retaining sill 3, and the lower end of the second annular vertical membrane layer 17 is connected to the horizontal membrane layer 19. The first annular vertical membrane layer 16 is fitted over the outer side of the core tube wall 1. On the surface, the annular connecting roll layer 18 is laid on the top surface of the annular vertical water-retaining sill 3 and is located between the lower end of the first annular vertical roll layer 16 and the upper end of the second annular vertical roll layer 17, respectively connecting the lower end of the first annular vertical roll layer 16 and the upper end of the second annular vertical roll layer 17. The slope-finding layer 13 is horizontally arranged and sleeved on the outside of the second annular vertical roll layer 17 and is disposed on the horizontal roll layer 19. The thermal insulation layer 14 is horizontally arranged and sleeved on the outside of the second annular vertical roll layer 17 and is disposed on the slope-finding layer 13. The protective layer 15 is horizontally arranged and sleeved on the outside of the first annular vertical roll layer 16 and is disposed on the thermal insulation layer 14 and the annular connecting roll layer 18 respectively.
[0045] The construction method of this utility model is briefly described as follows:
[0046] 1. Construction of core tube wall 1: The pre-embedded steel bars 5 are pre-embedded in the core tube wall 1;
[0047] 2. Roughening treatment of the outer surface of the core tube wall 1 for the construction of the combined floor deck roof 2 and the ring-shaped vertical water-retaining sill 3;
[0048] 3. Fit the annular waterstop strip 4 onto the outside of the core tube wall 1, and lay the composite floor deck roof 2 and the annular vertical water retaining wall 3 reinforcement (including the floor deck corrugated reinforcement 6, the floor deck first annular reinforcement 7, the floor deck second annular reinforcement 8, the water retaining wall gate-shaped reinforcement 9, the water retaining wall inner annular reinforcement 10 and the water retaining wall outer annular reinforcement 11).
[0049] 4. Pour the composite floor deck roof 2 and the circular vertical water-retaining sill 3;
[0050] 5. Concrete curing: Once the concrete reaches its design strength, construct the waterproof membrane layer 12, the slope-finding layer 13, the insulation layer 14, and the protective layer 15. Specifically, lay the waterproof membrane on the outer surface of the composite floor deck roof 2, the outer surface of the annular vertical water-retaining sill 3, the top surface of the annular vertical water-retaining sill 3, and the outer surface of the core tube wall 1, thereby forming a horizontal membrane layer 19, a second annular vertical membrane layer 17, an annular connecting membrane layer 18, and a first annular vertical membrane layer 16, respectively. Construct the slope-finding layer 13 on the outside of the second annular vertical membrane layer 17 and on the horizontal membrane layer 19. Construct the insulation layer 14 on the outside of the second annular vertical membrane layer 17 and on the slope-finding layer 13. Construct the protective layer 15 on the outside of the first annular vertical membrane layer 16 and on the annular connecting membrane layer 18 and the insulation layer 14.
[0051] Therefore, by employing this utility model, when pouring the composite floor deck roof, a ring-shaped vertical water-retaining sill is simultaneously poured on the side near the core tube wall. This not only reduces the risk of leakage at the construction joint around the core tube, but also achieves the effect of waterproofing the roof structure by blocking water through the ring-shaped vertical water-retaining sill.
[0052] In summary, the waterproof structure of this utility model at the junction of the core tube and the composite floor deck roof can reduce leakage at the junction of the core tube and the composite floor deck roof, improve the waterproof effect at the junction of the core tube and the composite floor deck roof, and has a clever design, simple structure, easy construction, and low construction cost, making it suitable for large-scale promotion and application.
[0053] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.
Claims
1. A waterproof structure for the junction of a core tube and a composite floor-deck roof, comprising a core tube wall and a composite floor-deck roof, wherein the core tube wall is vertically arranged, and the composite floor-deck roof is horizontally arranged and sleeved on the outside of the core tube wall, characterized in that, The waterproof structure at the junction of the core tube and the composite floor deck roof further includes an annular vertical water-retaining sill, which is sleeved on the outside of the core tube wall and installed on the composite floor deck roof.
2. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The circular vertical water-retaining sill is a concrete water-retaining sill.
3. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The height of the annular vertical water-retaining sill is 200mm.
4. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The top surface of the annular vertical water-retaining sill is inclined downwards in the direction away from the core tube wall.
5. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The area on the outer side of the core tube wall that connects with the combined floor deck roof and the annular vertical water-retaining sill is the roughened area.
6. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The core tube wall is a concrete shear wall.
7. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The waterproof structure at the junction of the core tube and the composite floor slab roof also includes an annular waterstop strip, which is horizontally set and sleeved on the outside of the core tube wall and located in the annular vertical water-retaining sill.
8. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The waterproof structure at the junction of the core tube and the composite floor slab roof also includes embedded steel bars. The embedded steel bars are horizontally arranged and respectively installed in the core tube wall and the composite floor slab roof. There are multiple embedded steel bars, which are horizontally arranged around the core tube wall at intervals.
9. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 8, characterized in that, The waterproofing structure at the junction of the core tube and the composite floor deck roof further includes corrugated steel bars in the floor deck, first ring steel bars in the floor deck, second ring steel bars in the floor deck, U-shaped steel bars in the water-retaining sill, inner ring steel bars in the water-retaining sill, and outer ring steel bars in the water-retaining sill, wherein: The corrugated steel bars of the floor decking are horizontally arranged in the composite floor decking roof. One end of the corrugated steel bar abuts against the core tube wall, and the other end extends away from the core tube wall. The first annular steel bar of the floor decking is horizontally arranged, sleeved on the core tube wall and located in the composite floor decking roof, and positioned at the trough of the corrugated steel bar. There are multiple first annular steel bars, which are arranged concentrically. The embedded steel bar is located above the corrugated steel bar of the floor decking. The second annular steel bar of the floor decking is horizontally arranged, sleeved on the core tube wall and located in the composite floor decking roof, and positioned on the embedded steel bar. There are multiple second annular steel bars, which are arranged concentrically. The U-shaped reinforcing bars of the water-retaining sill are vertically arranged and positioned away from the core tube wall, and are located within the annular vertical water-retaining sill. Both vertical reinforcing bars of the U-shaped water-retaining sill extend downwards into the composite floor slab roof and connect to the pre-embedded reinforcing bars and the corrugated reinforcing bars of the floor slab. The number of corrugated reinforcing bars in the floor slab and the number of U-shaped reinforcing bars in the water-retaining sill are the same as the number of pre-embedded reinforcing bars. The corrugated reinforcing bars in the floor slab, the U-shaped reinforcing bars in the water-retaining sill, and the pre-embedded reinforcing bars are arranged in a one-to-one correspondence. The inner and outer annular reinforcing bars of the water-retaining sill are both horizontally arranged and fitted within the core tube wall. All of the above are located outside the annular vertical water-retaining sill. The inner annular reinforcing bars of the water-retaining sill are located inside the outer annular reinforcing bars of the water-retaining sill. Both the inner and outer annular reinforcing bars of the water-retaining sill are located between the two vertical reinforcing bars of the U-shaped reinforcing bars of the water-retaining sill and are respectively connected to the two vertical reinforcing bars of the U-shaped reinforcing bars of the water-retaining sill. There are multiple inner annular reinforcing bars of the water-retaining sill, which are vertically spaced apart from each other. The number of outer annular reinforcing bars of the water-retaining sill is the same as the number of inner annular reinforcing bars of the water-retaining sill. The outer annular reinforcing bars of the water-retaining sill and the inner annular reinforcing bars of the water-retaining sill are arranged in a one-to-one correspondence.
10. The waterproof structure at the junction of the core tube and the composite floor deck roof as described in claim 1, characterized in that, The waterproofing structure at the junction of the core tube and the composite floor slab roof further includes a waterproof membrane layer, a slope-forming layer, an insulation layer, and a protective layer. The waterproof membrane layer comprises a first annular vertical membrane layer, a second annular vertical membrane layer, an annular connecting membrane layer, and a horizontal membrane layer. The horizontal membrane layer is fitted over the annular vertical water-retaining sill and laid on the composite floor slab roof. The second annular vertical membrane layer is fitted over the outer surface of the annular vertical water-retaining sill, and its lower end connects to the horizontal membrane layer. The first annular vertical membrane layer is fitted over the outer surface of the core tube wall. The annular connecting membrane layer... The roll material layer is laid on the top surface of the annular vertical water-retaining sill and is located between the lower end of the first annular vertical roll material layer and the upper end of the second annular vertical roll material layer, respectively connecting the lower end of the first annular vertical roll material layer and the upper end of the second annular vertical roll material layer. The slope-finding layer is horizontally set and sleeved on the outside of the second annular vertical roll material layer and is set on the horizontal roll material layer. The thermal insulation layer is horizontally set and sleeved on the outside of the second annular vertical roll material layer and is set on the slope-finding layer. The protective layer is horizontally set and sleeved on the outside of the first annular vertical roll material layer and is set on the thermal insulation layer and the annular connecting roll material layer, respectively.