Bottom plate waterproof structure in vertical underground garage

Abstract

The utility model discloses a bottom plate waterproof structure in a vertical underground garage, which comprises water-swelling water-stopping glue and a stainless steel spring framework grouting pipe, and the water-swelling water-stopping glue and the stainless steel spring framework grouting pipe are both arranged in a construction joint between a pipe piece and a bottom plate. A plurality of groups of water-swelling water-stopping adhesives and stainless steel spring frameworks are arranged in the vertical direction of the construction joint, and each group of water-swelling water-stopping adhesives comprises a plurality of water-swelling water-stopping adhesives which are arranged in the circumferential direction of the construction joint at intervals; each set of stainless steel spring framework grouting pipes comprises a plurality of stainless steel spring framework grouting pipes which are arranged in a lap joint mode in the circumferential direction of the construction joint. The stainless steel spring framework grouting pipe comprises a stainless steel spring framework, filter cloth and a net-shaped outer layer protection structure, the stainless steel spring framework is wrapped with the filter cloth, and the filter cloth is wrapped with the net-shaped outer layer protection structure. The waterproof bottom plate has the advantages that the waterproof performance of the bottom plate can be ensured, so that the safety of the underground garage is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of underground parking garages, and in particular to a waterproof structure for the bottom slab of a vertical underground parking garage. Background Technology

[0002] Many of my country's major cities are located in coastal areas with poor engineering geology and hydrogeology. In some cities, the groundwater level is high, and underground engineering structures (such as underground parking garages) are submerged in groundwater year-round. Therefore, it is very important to do a good job in the waterproof design and construction of underground engineering projects to ensure their quality and prevent leakage.

[0003] Therefore, a waterproof structure for the floor slab in vertical underground parking garages is needed to solve the above problems. Summary of the Invention

[0004] The purpose of this utility model is to address the shortcomings of the existing technology by providing a waterproof structure for the base slab of a vertical underground garage. By installing water-swellable sealant and stainless steel spring-framed grouting pipes, the waterproof performance of the base slab can be guaranteed, thereby improving the safety of the underground garage.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A waterproof structure for the base slab of a vertical underground parking garage includes a water-swellable sealant and stainless steel spring-frame grouting pipes. Both the water-swellable sealant and the stainless steel spring-frame grouting pipes are located within the construction joint between the pipe segment and the base slab. Several groups of the water-swellable sealant and stainless steel spring frames are arranged vertically along the construction joint. Each group of water-swellable sealant includes multiple locations of water-swellable sealant spaced apart circumferentially along the construction joint. Each group of stainless steel spring-frame grouting pipes includes multiple overlapping stainless steel spring-frame grouting pipes arranged circumferentially along the construction joint. Each stainless steel spring-frame grouting pipe includes a stainless steel spring frame, a filter cloth, and a mesh outer protective structure. The filter cloth is wrapped around the stainless steel spring frame, and the mesh outer protective structure is wrapped around the filter cloth.

[0007] Both ends of the stainless steel spring skeleton grouting pipe are sealed with sealing sleeves.

[0008] Both ends of the stainless steel spring skeleton grouting pipe are connected to the grouting conduit.

[0009] The water-swellable sealant is provided in two sets, and the stainless steel spring frame is provided in one set. The two sets of water-swellable sealant are respectively provided at the top and bottom of the construction joint, and the stainless steel spring frame is provided in the middle of the construction joint.

[0010] The bottom of the base plate is provided with pre-laid waterproof membrane and a padding layer from top to bottom.

[0011] A water collection pit is provided on each of the two sides of the top of the base plate, and the inner wall of the water collection pit is lined with polymer cement waterproof mortar.

[0012] The advantage of this invention is that it can ensure the waterproof performance of the base plate, thereby improving the safety of the underground garage. Attached Figure Description

[0013] Figure 1 This is an overall schematic diagram of the waterproof structure of the base plate of this utility model;

[0014] Figure 2 This is a schematic diagram showing the arrangement of the water-swellable waterproof sealant of this utility model;

[0015] Figure 3 This is a schematic diagram of the stainless steel spring skeleton grouting pipe of this utility model;

[0016] Figure 4 This is a schematic diagram showing the arrangement of the stainless steel spring skeleton grouting pipe of this utility model.

[0017] like Figures 1-4 As shown in the figure, the labels represent:

[0018] 1. Water-swellable sealant; 2. Stainless steel spring frame grouting pipe; 3. Stainless steel spring frame; 4. Filter cloth; 5. Mesh outer protective structure; 6. Sealing sleeve; 7. Grouting conduit; 8. Pipe segment; 9. Base plate; 10. Pre-laid waterproof membrane; 11. Subbase layer; 22. Sump; 3. Polymer cement waterproof mortar; 4. Bottom sealant. Detailed Implementation

[0019] The features of this utility model and other related features will be further described in detail below with reference to the accompanying drawings and embodiments, so as to facilitate the understanding of those skilled in the art:

[0020] Example: Figures 1-4As shown, this embodiment relates to a waterproof structure for the base slab of a vertical underground garage, which mainly includes a water-swellable sealant 1 and a stainless steel spring-frame grouting pipe 2. Both the water-swellable sealant 1 and the stainless steel spring-frame grouting pipe 2 are located in the construction joint between the pipe segment 5 and the base slab 6. The water-swellable sealant 1 can expand when exposed to water to seal the construction joint, thereby achieving a waterproof effect. The stainless steel spring-frame grouting pipe 2 can be used to inject hydrophilic epoxy resin grouting material or hydrophobic polyurethane grouting material into the construction joint to seal the construction joint, thereby achieving a waterproof effect. Two sets of water-swellable sealant 1 are arranged vertically along the construction joint, and one set of stainless steel spring frame 2 is arranged vertically along the construction joint. The two sets of water-swellable sealant 1 are respectively set at the top and bottom of the construction joint, and one set of stainless steel spring frame 2 is set in the middle of the construction joint. Each set of water-swellable sealant 1 includes multiple water-swellable sealant 1s arranged at intervals along the circumference of the construction joint. Each set of stainless steel spring frame grouting pipe 2 includes multiple stainless steel spring frame grouting pipes 2 that are overlapped along the circumference of the construction joint.

[0021] like Figures 3-4 As shown, the stainless steel spring-frame grouting pipe 2 includes a stainless steel spring frame 21, a filter cloth 22, and a mesh outer protective structure 23. The filter cloth 22 is wrapped around the stainless steel spring frame 21, and the mesh outer protective structure 23 is wrapped around the filter cloth 22. Both ends of the stainless steel spring-frame grouting pipe 2 are sealed with sealing sleeves 3. Both ends of the stainless steel spring-frame grouting pipe 2 are connected to the grouting conduit 4. Grout is injected into the stainless steel spring-frame grouting pipe 2 through the grouting conduit 4, and the grout sequentially passes through the stainless steel spring frame 21, the filter cloth 22, and the mesh outer protective structure 23 into the construction joint.

[0022] In this embodiment, grouting should be carried out after the structural construction is completed and dewatering has stopped. Before the decoration begins, all stainless steel spring frame grouting pipes 2 must be grouted. Hydrophilic epoxy resin grouting material should be preferred. When there is flowing leakage water, hydrophobic polyurethane grouting material should be used. The grouting method steps are as follows:

[0023] 1. Before grouting, apply high-modulus polyurethane sealant and its primer to the inner surface of the construction joint to form a sealing material with a width of 50mm and a thickness of 2mm centered on the construction joint.

[0024] 2. Grout is injected into the grouting conduit 4 (as the grouting pipe) at one end of the stainless steel spring skeleton grouting pipe 2. After grout is discharged from the grouting conduit 4 (as the grout outlet pipe) at the other end of the stainless steel spring skeleton grouting pipe 2, the grout outlet pipe is sealed and the pressure is increased to 0.8MPa. Grouting can be stopped when the pressure is maintained for 5 minutes without significant decrease.

[0025] 3. If the grout does not flow smoothly from the outlet pipe, the grouting pressure can be increased, but the pressure should not exceed 1.2 MPa.

[0026] like Figure 1 As shown, the bottom of the base slab 6 is provided with a pre-laid waterproof membrane 7 and a padding layer 8 from top to bottom, with the padding layer 8 placed on top of the sealing bottom 11. A water collection pit 9 is provided on each side of the top of the base slab 6, and the inner wall of the water collection pit 9 is lined with polymer cement waterproof mortar 10.

[0027] The beneficial technical effect of this embodiment is that it can ensure the waterproof performance of the base plate, thereby improving the safety of the underground garage.

[0028] Although the above embodiments have described the concept and embodiments of the present invention in detail with reference to the accompanying drawings, those skilled in the art will recognize that various improvements and modifications can still be made to the present invention without departing from the scope of the claims, and therefore will not be elaborated here.

Claims

1. A waterproof structure for the floor slab of a vertical underground parking garage, characterized in that: The waterproof structure of the base plate includes water-swellable sealant and stainless steel spring-frame grouting pipes. Both the water-swellable sealant and the stainless steel spring-frame grouting pipes are located in the construction joint between the pipe segment and the base plate. Several groups of the water-swellable sealant and the stainless steel spring frame are arranged vertically along the construction joint. Each group of water-swellable sealant includes multiple water-swellable sealant points spaced apart along the circumference of the construction joint. Each group of stainless steel spring-frame grouting pipes includes multiple stainless steel spring-frame grouting pipes overlapping each other along the circumference of the construction joint. The stainless steel spring-frame grouting pipe includes a stainless steel spring frame, a filter cloth, and a mesh outer protective structure. The filter cloth is wrapped around the stainless steel spring frame, and the mesh outer protective structure is wrapped around the filter cloth.

2. The waterproof structure for the floor slab of a vertical underground garage as described in claim 1, characterized in that: Both ends of the stainless steel spring skeleton grouting pipe are sealed with sealing sleeves.

3. The waterproof structure for the floor slab of a vertical underground garage as described in claim 1, characterized in that: Both ends of the stainless steel spring skeleton grouting pipe are connected to the grouting conduit.

4. The waterproof structure for the floor slab of a vertical underground garage as described in claim 1, characterized in that: The water-swellable sealant is provided in two sets, and the stainless steel spring frame is provided in one set. The two sets of water-swellable sealant are respectively provided at the top and bottom of the construction joint, and the stainless steel spring frame is provided in the middle of the construction joint.

5. The waterproof structure for the floor slab of a vertical underground garage as described in claim 1, characterized in that: The bottom of the base plate is provided with pre-laid waterproof membrane and a padding layer from top to bottom.

6. The waterproof structure for the floor slab of a vertical underground garage as described in claim 1, characterized in that: A water collection pit is provided on each of the two sides of the top of the base plate, and the inner wall of the water collection pit is lined with polymer cement waterproof mortar.

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