Waterproof Structure and Construction Method between Post-Constructed Water Storage Tank and Existing Structural Column

Abstract

The present invention discloses a waterproof structure and construction method between a post-constructed water storage tank and an existing structural column, which relates to the technical field of waterproof structure construction. It includes an existing structural column, a newly built pool bottom slab, a steel frame column, and an outer concrete layer. The newly built pool bottom slab has an avoidance opening passing through the existing structural column, and the raft foundation of the newly built pool bottom slab is separated from the column foundation of the existing structural column. The steel frame column is sleeved outside the existing structural column, there is a gap between the inner wall of the steel frame column and the outer wall of the existing structural column, and the bottom edge of the steel frame column is fixed to the edge of the avoidance opening. The outer concrete layer is poured between the bottom of the outer side wall of the steel frame column and the top surface of the newly built pool bottom slab, and the surface of the outer concrete layer is waterproofed. In the present invention, the raft foundation is separated from the column foundation of the existing structural column under the lower column body. The steel frame column is adopted and there is no structural connection with the existing structural column. When the newly built pool settles, it undergoes vertical displacement synchronously, avoiding damage to the bottom waterproofing practice.

Description

Technical Field

[0001] The present invention relates to the technical field of waterproof structure construction, and more specifically, to a waterproof structure and construction method between a post-constructed water storage tank and an existing structural column in an aquarium. Background Art

[0002] As an entertainment and education venue integrating entertainment and education, aquariums are deeply loved by people. In recent years, many aquariums have been built across the country. However, with the continuous update and replacement of the venue content and the continuous enrichment of animal types, existing aquariums urgently need to be renovated and upgraded, and the construction of various water tanks inside the existing space is essential. Since the structure of the existing building has been completed, it often occurs that structural columns pass through the bottom plate of the water tank.

[0003] In this case, at the part of the existing structural column and the newly built water tank bottom plate, there is a joint part between the new and old concretes. This joint is located at the structural bottom plate part and is underwater for a long time, receiving the greatest water pressure, and there is a relatively large leakage risk itself. Secondly, seawater is often stored in the aquarium water tank, which has strong corrosiveness and will significantly reduce the main structure and waterproof layer. In addition, the settlement of the existing building has basically been completed, and the newly built water tank still has relatively obvious settlement. There will be relative vertical displacement between the new and old buildings, and the waterproof at the joint part will be torn and leaked.

[0004] In the prior art, for the joint part, the waterproof material at the bottom of the pool, such as a waterproof coiled material, is usually extended and turned up to the column body, and a flexible waterproof material is used for reinforcement at the joint.

[0005] If the newly built water tank does not settle and there is no displacement at the joint part between the new and old structures, this method can meet the requirements. However, if there is displacement between the new and old structures, the waterproof method at this part will be damaged, resulting in serious leakage problems, and the cost of repair is very high.

[0006] Therefore, in view of this problem, it is an urgent problem for those skilled in the art to form a complete set of technologies from aspects such as the structural system, waterproof structure, and construction technology to solve the leakage problem. Summary of the Invention

[0007] In view of this, the present invention provides a waterproof structure and construction method between a post-constructed water storage tank and an existing structural column, aiming to solve the above technical problems.

[0008] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0009] A waterproof structure between a post-constructed water storage tank and an existing structural column includes an existing structural column; and further includes:

[0010] A new pool bottom slab is provided, which has an avoidance opening passing through the existing structural column. The diameter of the avoidance opening is larger than the outer diameter of the existing structural column, and the raft foundation of the new pool bottom slab is separated from the column foundation of the existing structural column.

[0011] A steel frame column is sleeved outside the existing structural column. There is a gap between the inner wall of the steel frame column and the outer wall of the existing structural column, and the bottom edge of the steel frame column is fixed to the edge of the avoidance opening.

[0012] An outer concrete layer is poured between the bottom of the outer side wall of the steel frame column and the top surface of the new pool bottom slab, and the surface of the outer concrete layer is waterproofed.

[0013] Through the above technical solutions, the raft foundation of the waterproof structure between the post-constructed reservoir provided by the present invention and the existing structural column is separated from the column foundation of the existing structural column. A steel frame column is adopted, which has no structural connection with the existing structural column. When the new pool settles, it undergoes vertical displacement synchronously, avoiding damage to the bottom waterproofing.

[0014] Preferably, in the above waterproof structure between the post-constructed reservoir and the existing structural column, a waterstop steel plate is fixed to the outer side wall at the bottom of the steel frame column. The waterstop steel plate is located inside the outer concrete layer, and water-swellable waterstop rubber strips are provided on the top surface of the waterstop steel plate and the bottom end of the steel frame column to ensure the waterproof effect.

[0015] Preferably, in the above waterproof structure between the post-constructed reservoir and the existing structural column, the steel frame column is welded by galvanized steel plates around the existing structural column, making it have no connection with the existing structural column.

[0016] Preferably, in the above waterproof structure between the post-constructed reservoir and the existing structural column, the surface of the outer concrete layer is waterproofed with three-layer cloth and five-layer oil fiberglass to ensure the waterproof effect.

[0017] Preferably, in the above waterproof structure between the post-constructed reservoir and the existing structural column, the top surface of the new pool bottom slab is waterproofed with two-layer cloth and three-layer oil to ensure the waterproof effect.

[0018] Preferably, in the above waterproof structure between the post-constructed reservoir and the existing structural column, a crack-resistant steel mesh is provided inside the outer concrete layer to improve the structural strength.

[0019] Preferably, in the above waterproof structure between the post-constructed reservoir and the existing structural column, a reinforcing beam is added around the avoidance opening to enhance the structural strength at the opening position.

[0020] Preferably, in the waterproof structure between the post-constructed water storage tank and the existing structural column described above, the inner diameter of the steel frame column is greater than the diameter of the avoidance opening.

[0021] The present invention also provides a construction method for the waterproof structure between the post-constructed water storage tank and the existing structural column described above, which specifically includes the following steps:

[0022] S1. The avoidance opening of the newly built pool bottom slab passes through the existing structural column, and a cork is laid between the raft foundation of the newly built pool bottom slab and the column foundation under the existing structural column for separation;

[0023] S2. A steel frame column is arranged around the existing structural column;

[0024] S3. Concrete is poured between the bottom outer wall of the steel frame column and the top surface of the newly built pool bottom slab to form an outer concrete layer;

[0025] S4. Waterproof treatment is performed on the surface of the outer concrete layer.

[0026] Through the above technical solutions, the construction method provided by the present invention can achieve rapid construction. Different from the traditional waterproof treatment form, there is no structural connection with the existing structural column. When the newly built pool settles, it undergoes vertical displacement synchronously, avoiding damage to the bottom waterproof method.

[0027] Preferably, in the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column described above, in step S2: a water stop steel plate is welded on the bottom outer wall of the steel frame column, and a water-swelling water stop rubber strip is arranged on the top surface of the water stop steel plate and the bottom end of the steel frame column.

[0028] It can be seen from the above technical solutions that compared with the prior art, the present invention discloses a waterproof structure and a construction method between a post-constructed water storage tank and an existing structural column, which have the following beneficial effects:

[0029] 1. The raft foundation of the present invention is separated from the column foundation under the existing structural column, an avoidance opening is left at the part where the pool bottom slab passes through the column, and a reinforcing beam is arranged around the avoidance opening, avoiding the structural connection between the new and old structures and ensuring the reasonable force and safety of the original structure.

[0030] 2. The steel frame column welded by galvanized steel plate in the present invention has no structural connection with the existing structural column. When the newly built pool settles, it undergoes vertical displacement synchronously, avoiding damage to the bottom waterproof method.

[0031] 3. The present invention adopts multiple waterproof methods such as water stop steel plate, water-swelling water stop rubber strip, outer concrete, and fiberglass waterproof layer reinforcement to ensure the waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can also be obtained based on the provided drawings.

[0033] Figure 1 The accompanying drawing is a schematic structural diagram of step S1 of the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided by the present invention;

[0034] Figure 2 The accompanying drawing is a structural sectional view of step S1 of the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided by the present invention;

[0035] Figure 3 The accompanying drawing is a schematic structural diagram of step S2 of the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided by the present invention;

[0036] Figure 4 The accompanying drawing is a structural sectional view of step S2 of the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided by the present invention;

[0037] Figure 5 The accompanying drawing is a schematic structural diagram of step S3 of the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided by the present invention;

[0038] Figure 6 The accompanying drawing is a structural sectional view of step S3 of the construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided by the present invention.

[0039] Wherein:

[0040] 1 - Existing structural column; 11 - Column foundation;

[0041] 2 - Newly built pool bottom slab; 21 - Avoidance opening; 22 - Raft foundation;

[0042] 3 - Steel frame column; 31 - Waterstop steel plate;

[0043] 4 - Outer concrete layer;

[0044] 5 - Cork. Detailed implementation manners

[0045] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0046] See the attached Figure 5 and the attached Figure 6 , an embodiment of the present invention discloses a waterproof structure between a post-constructed water storage tank and an existing structural column, including the existing structural column 1; further including:

[0047] A newly built pool bottom plate 2, the newly built pool bottom plate 2 has an avoidance opening 21 passing through the existing structural column 1, the diameter of the avoidance opening 21 is larger than the outer diameter of the existing structural column 1, and the raft foundation of the newly built pool bottom plate 2 is separated from the column foundation of the existing structural column 1;

[0048] A steel frame column 3, the steel frame column 3 is sleeved outside the existing structural column 1, there is a gap between the inner wall of the steel frame column 3 and the outer wall of the existing structural column 1, and the bottom edge of the steel frame column 3 is fixed to the edge of the avoidance opening 21;

[0049] An outer concrete layer 4, the outer concrete layer 4 is poured between the bottom of the outer side wall of the steel frame column 3 and the top surface of the newly built pool bottom plate 2, and the surface of the outer concrete layer 4 is waterproofed.

[0050] To further optimize the above technical solution, a water stop steel plate 31 is fixed to the outer side wall of the bottom of the steel frame column 3, the water stop steel plate 31 is located inside the outer concrete layer 4, and water-swelling water stop rubber strips are provided on the top surface of the water stop steel plate 31 and the bottom end of the steel frame column 3.

[0051] To further optimize the above technical solution, the steel frame column 3 is composed of galvanized steel plates welded around the existing structural column 1.

[0052] To further optimize the above technical solution, the surface of the outer concrete layer 4 is treated with three-layer fiberglass and five-layer asphalt waterproofing.

[0053] To further optimize the above technical solution, the top surface of the newly built pool bottom plate 2 is treated with two-layer fiberglass and three-layer asphalt waterproofing.

[0054] To further optimize the above technical solution, a crack-resistant steel bar mesh is provided inside the outer concrete layer 4.

[0055] To further optimize the above technical solution, a reinforcement beam is added around the avoidance opening 21.

[0056] To further optimize the above technical solution, the inner diameter of the steel frame column 3 is larger than the diameter of the avoidance opening 21.

[0057] The construction method of the waterproof structure between the post-constructed water storage tank and the existing structural column provided in this embodiment specifically includes the following steps:

[0058] S1. The avoidance opening 21 of the newly built pool bottom plate 2 passes through the existing structural column 1. A cork 5 is laid between the raft foundation 22 of the newly built pool bottom plate 2 and the column foundation 11 under the existing structural column 1 for separation, avoiding the connection between the new and old structural foundations and ensuring independent force bearing for each;

[0059] Specifically, the edge of the opening of the avoidance opening 21 is 5 cm away from the column edge of the existing structural column 1, and a reinforcing beam is additionally provided around the opening for reinforcement at this position;

[0060] S2. Around the existing structural column 1, a 20-mm-thick galvanized steel plate is welded into a frame around the existing structural column 1. The inner surface of the steel plate is 10 cm away from the surface of the existing structural column 1. A 50*5 waterstop steel plate 31 is welded at a distance of 200 mm from the bottom, and a water-swelling waterstop rubber strip is placed above the waterstop steel plate 31 and at the bottom of the outer steel frame column 3;

[0061] S3. Concrete is poured between the bottom of the outer side wall of the steel frame column 3 and the top surface of the newly built pool bottom plate 2 to form an outer concrete layer 4. The outer concrete layer 4 is 400 mm high and 200 mm wide, and an anti-cracking steel mesh is arranged inside;

[0062] S4. The overall waterproofing of the pool adopts a fiberglass waterproofing method with good corrosion resistance. The bottom and walls of the pool adopt a "two-layer cloth and three-layer oil" waterproofing, and the surface of the outer concrete wrapped at the bottom of the steel frame adopts a "three-layer cloth and five-layer oil fiberglass waterproofing" for strengthening.

[0063] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description in the method part.

[0064] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A waterproof structure between a post-construction water storage tank and an existing structural column, comprising an existing structural column (1); characterized in that: Also includes: A newly built pool floor (2), the newly built pool floor (2) having an escape opening (21) passing through the existing structural column (1), the diameter of the escape opening (21) being larger than the outer diameter of the existing structural column (1), and the raft foundation (22) of the newly built pool floor (2) being separated from the column foundation (11) of the existing structural column (1); A steel frame column (3), wherein the steel frame column (3) is sleeved on the outside of the existing structural column (1), a gap is provided between the inner wall of the steel frame column (3) and the outer wall of the existing structural column (1), and the bottom edge of the steel frame column (3) is fixed to the edge of the avoidance opening (21); An outer concrete layer (4), the outer concrete layer (4) being cast between the bottom of the outer wall of the steel frame column (3) and the top surface of the new pool floor (2), and the surface of the outer concrete layer (4) being waterproofed; The construction method specifically includes the following steps: S1, the avoidance opening (21) of the newly built pool floor (2) passes through the existing structural column (1), and cork (5) is placed between the raft foundation (22) of the newly built pool floor (2) and the column foundation (11) under the existing structural column (1) to separate them; S2. Arrange steel frame columns (3) around the existing structural columns (1); S3, pouring concrete between the bottom of the outer wall of the steel frame column (3) and the top surface of the newly built pool floor (2) to form an outer concrete layer (4); S4. Perform waterproofing on the surface of the outer concrete layer (4).

2. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1 is characterized in that: A water-stop steel plate (31) is fixed to the bottom outer wall of the steel frame column (3), the water-stop steel plate (31) is located inside the outer concrete layer (4), and the top surface of the water-stop steel plate (31) and the bottom end of the steel frame column (3) are both provided with a water-swellable water-stop rubber strip.

3. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1 is characterized in that: The steel frame column (3) is composed of galvanized steel plates welded around the existing structural column (1).

4. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1, characterized in that: The surface of the outer concrete layer (4) is treated with three-cloth-five-oil glass fiber reinforced plastic waterproofing.

5. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1 is characterized in that: The top surface of the newly built pool bottom plate (2) is treated with two-cloth and three-oil waterproofing.

6. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1, characterized in that: An anti-cracking steel mesh is provided inside the outer concrete layer (4).

7. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1, characterized in that: Reinforcement beams are additionally provided around the escape opening (21).

8. The waterproof structure between the post-construction water storage tank and the existing structural column according to claim 1, characterized in that: The inner diameter of the steel frame column (3) is greater than the diameter of the avoidance opening (21).

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