Rebar-friendly power station workshop water stop structure

Abstract

The utility model provides a reinforcing steel bar friendly type power station workshop water stop structure which comprises a strip-shaped water stop copper sheet, the cross section of the water stop copper sheet is of an inverted U-shaped structure with outer eaves vertically arranged at the two ends, sleeves are arranged on the two sides of the U shape of the water stop copper sheet, and a reinforcing steel bar tightly penetrates through the sleeves. Due to the fact that the reinforcing steel bar friendly type power station workshop water stop structure is arranged, the sleeve is installed on the water stop copper sheet, the reinforcing steel bar can directly penetrate through the sleeve, and the situation that in a traditional method, the reinforcing steel bar is bent to avoid the water stop copper sheet, and consequently the overall stress and safety of a workshop are affected can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy and hydropower engineering technology, and in particular to a steel reinforcement-friendly water-stop structure for power plant buildings. Background Technology

[0002] The substructure of a hydroelectric powerhouse is complex, with a relatively large volume of concrete. To accommodate horizontal and vertical displacements caused by temperature changes, concrete shrinkage or expansion, foundation constraints, earthquakes, or uneven ground settlement, permanent joints are often required. To meet the waterproofing requirements of these permanent joints and to accommodate elastic deformation under various loads, effectively sealing and preventing leakage and seepage, as well as providing shock absorption, copper sheet waterstops are typically installed at construction joints and expansion joints at higher water heads. These waterstops not only need to accommodate elastic deformation under different loads but also effectively prevent leakage and provide shock absorption. Copper sheet waterstops are the most widely used and reliable type.

[0003] To protect the water-stop copper sheet from damage by the reinforcing steel, existing technology uses the method of cutting and internally bending the reinforcing steel for anchoring, which has a potential adverse effect on the overall stress and safety of the structure. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a steel reinforcement-friendly water-stop structure for power plant buildings, which solves the problems of overall stress and safety caused by traditional methods of cutting and anchoring steel bars inward or bending them at large angles.

[0005] To solve the above-mentioned technical problems, this utility model provides a steel bar-friendly water-stop structure for power plant buildings, including a strip-shaped water-stop copper sheet. The cross-section of the water-stop copper sheet is an inverted "U" shape with external eaves set vertically at both ends. Sleeves are provided on both sides of the U-shape of the water-stop copper sheet, and steel bars are tightly passed through the sleeves.

[0006] In a preferred embodiment, the sleeve includes a steel wire mesh disposed on the outer side, and inside the steel wire mesh are sequentially disposed a water-swellable layer, an elastic sealing layer, and a steel reinforcement rust-inhibiting layer, with the steel reinforcement rust-inhibiting layer in close contact with the steel reinforcement.

[0007] In the preferred embodiment, the water-swellable layer is made of water-swellable rubber, with steel wire mesh embedded within the rubber; the elastic sealing layer is made of cement-based penetrating crystalline elastic waterproof material; and the steel reinforcement rust-inhibiting layer is made of a brush-applied steel reinforcement rust inhibitor.

[0008] In the preferred embodiment, a groove is provided on the outside of the sleeve, and the water-stop copper sheet is stuck in the groove.

[0009] In the preferred embodiment, a filling material is provided within the inverted "U"-shaped structure of the water-stop copper sheet along the length of the copper sheet.

[0010] The beneficial effects of this utility model are as follows: Because this utility model sets up a steel bar-friendly water-stop structure for power plant buildings, by installing a sleeve on the water-stop copper sheet, the steel bars can directly pass through the sleeve, which can avoid bending the steel bars to avoid the water-stop copper sheet as in the traditional method, thus affecting the overall stress and safety of the power plant building. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0012] Figure 1 This is a front view structural diagram of an embodiment of the present utility model;

[0013] Figure 2 This is a side view of an embodiment of the present invention;

[0014] Figure 3 This is a cross-sectional view of the sleeve portion of an embodiment of this utility model.

[0015] Reference numerals: 11. Water-stop copper sheet; 12. Sleeve; 121. Groove; 13. Reinforcing bar; 14. Water-swellable layer; 15. Elastic sealing layer; 16. Reinforcing bar rust-inhibiting layer; 17. Filling material; 18. Reinforcing bar; 19. Wire mesh layer. Detailed Implementation

[0016] Please see Figure 1-3 As shown, this application provides a technical solution: a steel bar-friendly water-stop structure for power plant buildings, including a strip-shaped water-stop copper sheet 11. The cross-section of the water-stop copper sheet 11 is an inverted "U" shape with external eaves set vertically at both ends. Sleeves 12 are provided on both sides of the U-shape of the water-stop copper sheet 11, and steel bars 13 tightly pass through the sleeves 12.

[0017] The tight connection between the reinforcing bar 13 and the sleeve 12 can be a clearance fit or an interference fit, so that water is not easy to flow down between the sleeve and the reinforcing bar 13. When the entire water-stop structure is installed in place, the lower end and the upper end of the reinforcing bar 13 are connected to the reinforcing bars on both sides respectively. The connection method can be welding or binding.

[0018] In this way, the steel bar 13 can pass directly through the sleeve 12 without bending to avoid the water-stop copper sheet 11, and the overall stress and safety of the factory building will not be affected by the lack of steel bar 13 below the water-stop copper sheet 11.

[0019] In a preferred embodiment, the sleeve 12 includes a wire mesh 19 disposed on the outer side, and a water-swellable layer 14, an elastic sealing layer 15, and a steel bar rust-inhibiting layer 16 are sequentially disposed inside the wire mesh 19, with the steel bar rust-inhibiting layer 16 in close contact with the steel bar 13.

[0020] The water-swellable layer 14 is used to expand when exposed to water and fit tightly against the surface of the reinforcing bar 13, so that water is not easy to flow down between the sleeve and the reinforcing bar 13.

[0021] In the preferred embodiment, the water-swellable layer 14 is made of water-swellable rubber, and a steel wire mesh is embedded in the rubber; the elastic sealing layer 15 is made of cement-based penetrating crystalline elastic waterproof material; and the steel reinforcement rust-inhibiting layer 16 is made of a brush-applied steel reinforcement rust inhibitor.

[0022] Water-swellable rubber can be PZ type, which has a certain tensile strength and can adapt to the deformation of structures such as steel bars, concrete, and water-stop copper sheets. Reinforcing steel wire mesh is embedded within the water-swellable rubber to enhance its resistance to compression set and shear strength, preventing damage from excessive shear forces.

[0023] The elastic sealing layer 15 is used to immediately fill the gap between the water-swellable rubber and the ribbed connecting steel bars and to repair the damaged water-swellable rubber. The material is made of cement-based penetrating crystalline elastic waterproof material. On the one hand, the material can penetrate into the capillaries inside the substrate under the action of water to form a dendritic crystal that is not impermeable to water. On the other hand, it has good elasticity and flexibility, and can adapt to the expansion and contraction of the substrate, and change its shape freely without cracking.

[0024] The steel reinforcement rust inhibitor layer 16 is used to prevent the steel reinforcement from rusting due to electrochemical reactions, and its material is a brush-applied steel reinforcement rust inhibitor.

[0025] In a preferred embodiment, a groove 121 is provided on the outer side of the sleeve 12, and the water-stop copper sheet 11 is stuck in the groove 121.

[0026] The height of sleeve 12 is the same as the height of the water-stop copper sheet 11. The thickness of groove 121 is the same as the thickness of water-stop copper sheet 11.

[0027] In a preferred embodiment, a filling material 17 is provided within the inverted "U"-shaped structure of the water-stop copper sheet 11 along the length direction of the water-stop copper sheet 11.

[0028] The water-stop copper sheet 11 is made of copper coil, with the U-shaped structure in the middle filled with rubber strips. The two side flanges of the water-stop copper sheet are perforated according to the thickness of the reinforcing bar protective layer, the spacing of the reinforcing bars, and the diameter of the sleeve, with the hole diameter matching the sleeve diameter.

[0029] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A steel-reinforced, water-stopping structure for a power plant building, characterized in that: It includes a strip-shaped water-stop copper sheet (11), the cross-section of which is an inverted "U" shape with an outer edge set vertically at both ends. Sleeves (12) are provided on both sides of the U-shape of the water-stop copper sheet (11), and the steel bar (13) passes tightly through the sleeve (12).

2. The steel reinforcement-friendly water-stop structure for power plant buildings according to claim 1, characterized in that: The sleeve (12) includes a wire mesh (19) on the outside, and a water-swellable layer (14), an elastic sealing layer (15), and a steel reinforcement rust-inhibiting layer (16) are sequentially provided inside the wire mesh (19). The steel reinforcement rust-inhibiting layer (16) is in close contact with the steel reinforcement (13).

3. The steel reinforcement-friendly water-stop structure for power plant buildings according to claim 2, characterized in that: The water-swellable layer (14) is made of water-swellable rubber, and steel wire mesh is embedded in the rubber; the elastic sealing layer (15) is made of cement-based penetrating crystalline elastic waterproof material; the steel reinforcement rust-inhibiting layer (16) is made of brush-applied steel reinforcement rust inhibitor.

4. A steel-reinforced, water-stopping structure for a power plant building according to claim 1 or 2, characterized in that: A groove (121) is provided on the outside of the sleeve (12), and the water-stop copper sheet (11) is stuck in the groove (121).

5. The steel reinforcement-friendly waterstop structure for power plant buildings according to claim 1, characterized in that: A filling material (17) is provided in the inverted "U"-shaped structure of the water-stop copper sheet (11) along the length direction of the water-stop copper sheet (11).

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