Basement anti-floating structure

Abstract

The utility model discloses a basement anti-floating structure which comprises a basement body arranged in a soil layer, the periphery of the basement body is composed of structural outer walls, and a drainage pressure reduction assembly is arranged on the bottom face of the basement body. The drainage pressure reduction assembly comprises a water suction pump fixedly connected to the top face of the soil layer and a floor layer fixedly connected to the bottom face of the structural outer wall. A peripheral anti-floating assembly is arranged on the outer wall of the periphery of the basement body; the floor layer structurally comprises a bottom plate, a flexible waterproof layer, a concrete cushion layer, a water collecting component, a base and a water filtering layer from top to bottom in sequence. The water filtering layer is composed of a gravel filtering layer and a geotechnical cloth inverted filtering layer which are laid up and down. Accumulated water below the basement body can be discharged in time, the water level of underground water is lowered, the buoyancy of base water of the basement body is released, the structural stability of the basement body is improved, and the possibility that the basement body structure is damaged by the buoyancy during use is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti -floating, especially basement anti -floating structure. BACKGROUND

[0002] High -rise building generally designs the basement with larger plan size and depth, and in the basement construction, especially the basement in high water level area, the upper structure of building and construction caused by the groundwater buoyancy tilting, collapse accident appears repeatedly, make the basement anti -floating problem appears increasingly prominent. The traditional anti -floating measure such as increasing counterweight, setting anti -floating anchor rod or anti -floating pile etc. Although can solve the anti -floating problem to some extent, but often there is the problem of complex construction, high cost or influence building structure integrity. Therefore, need a more economic, efficient and convenient construction basement anti -floating structure.

[0003] Through the retrieval, the patent of patent application number CN202221609030.9 discloses a basement anti -floating structure, including first anti -floating board, first anti -floating board is located in the basement outside, and with the lateral wall of basement fixed connection, first anti -floating board sets around the basement, and first anti -floating board is buried in backfill soil. The basement anti -floating structure in the above-mentioned patent has the following disadvantages: only relying on anti -floating board, the overall structure stability is insufficient due to groundwater level fluctuation or soil change, thereby making the anti -floating effect is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a basement anti -floating structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A basement anti -floating structure, including the basement body that is set in the soil layer and is composed of structure outer wall around, the bottom surface of the basement body is provided with drainage pressure relief assembly, and the drainage pressure relief assembly includes the water pump fixedly connected to the top surface of the soil layer and the floor layer fixedly connected to the bottom surface of the structure outer wall.

[0007] The outer wall of the four around of the basement body is provided with the outer peripheral anti -floating assembly.

[0008] As a further scheme of the utility model: the structure of the floor layer comprises a bottom plate, a flexible waterproof layer, a concrete cushion layer, a water collecting component, a base and a water filtering layer from top to bottom.

[0009] As a further scheme of the utility model: the water filtering layer is composed of the gravel filtering layer and the geotextile inverse filtration layer laid from top to bottom.

[0010] As a further scheme of the utility model: the water collecting component includes water collecting blocks fixedly connected to the top surface of the base, and a cover plate fixedly connected to the top surface of the water collecting blocks, and the outlet end of the water collecting blocks and the water inlet end of the water pump are connected with a water delivery pipe through bolts.

[0011] As a further scheme of the utility model: the water collecting blocks are internally provided with two or more water collecting pits arranged in an array, and the two or more water collecting pits are connected with each other through the through holes arranged on the side surfaces thereof.

[0012] As a further scheme of the utility model: the top surface of the base and the bottom surface of the cover plate within the wrapping range of one of the water collecting pits are fixedly connected with a same guide column, and the outer wall of the guide column is sleeved with a floating plate.

[0013] The bottom surface of the cover plate directly above the floating plate is fixedly connected with a contact switch.

[0014] As a further scheme of the utility model: the peripheral anti-floating assembly includes an anti-floating plate fixedly connected to the outer side surface of the structure outer wall, a connecting groove arranged on the outer wall of the anti-floating plate, an anti-floating anchor rod inserted into the inner wall of the connecting groove, two or more limiting covers fixedly connected to the circumferential outer wall of the anti-floating anchor rod in a vertical column, two or more conical pile caps fixedly connected to the circumferential outer wall of the anti-floating anchor rod in a vertical column, and a bottom pile fixedly connected to the bottom end of the anti-floating anchor rod.

[0015] Compared with the prior art, the utility model provides a basement anti-floating structure, which has the following beneficial effects:

[0016] 1. The basement anti-floating structure is provided with a drainage pressure reduction assembly, when the underground water level rises, water penetrates into the water collecting component after filtering out sand and stone impurities and the like through the water filtering layer, the water pump is controlled to start, so as to extract the water in the water collecting blocks through the water delivery pipe, thereby realizing the drainage pressure reduction work, the accumulated water below the basement body can be discharged in time, the underground water level is reduced, the base water buoyancy of the basement body is released, the structural stability of the basement body is improved, and the possibility of damage to the basement body structure by the buoyancy during use is reduced.

[0017] 2. The basement anti-floating structure is provided with a peripheral anti-floating assembly, the anti-floating anchor rod is pushed into the connecting groove, and the anti-floating anchor rod is fixed on the anti-floating plate by the limiting cover, during use, the anti-floating plate fixed around the basement body cooperates with the anti-floating anchor rod, and the two are pulled by each other during contact with the external soil layer, thereby playing a role in assisting to improve the stability of the basement body, improving the anti-floating capacity, and the soil in the soil layer is also filled in the conical pile cap and the bottom pile, forming an overall stress system of the building foundation and the stable stratum, so that the damage of the floating force to the structure of the basement body can be offset.

[0018] 3. The basement anti-floating structure, when the water storage level in the sump rises, the floating plate will be moved upward, until the top of the floating plate touches the contact switch and triggers the water pump to start, thereby using the water pipe to extract water in the sump, realizing automatic drainage pressure reduction operation, saving manpower monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A schematic diagram of the front view cross-sectional structure of the basement anti-floating structure is provided for the utility model.

[0020] Figure 2 A schematic diagram of the anti-floating anchor rod bottom view structure of the basement anti-floating structure is provided for the utility model.

[0021] Figure 3 A schematic diagram of the floor layer composition structure of the basement anti-floating structure is provided for the utility model.

[0022] Figure 4 A schematic diagram of the sump component composition of the basement anti-floating structure is provided for the utility model.

[0023] Figure 5 A schematic diagram of the sump block top view structure of the basement anti-floating structure is provided for the utility model.

[0024] In the figure: 1 basement body, 101 structure outer wall, 2 floor layer, 201 bottom plate, 202 flexible waterproof layer, 203 concrete cushion layer, 204 sump component, 2041 sump block, 20411 through hole, 20412 sump, 2042 cover plate, 205 water filter layer, 206 base, 3 anti-floating anchor rod, 301 bottom pile, 302 conical pile cap, 303 limit cover, 4 anti-floating plate, 401 connecting groove, 5 water pump, 6 water pipe, 7 floating plate, 8 guide column, 100 soil layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] In the description of the utility model, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0027] Embodiment 1

[0028] A basement anti-buoyancy structure, such as Figure 1 and Figures 3-5 As shown, the basement body 1 is located inside the soil layer 100 and is surrounded by structural exterior walls 101. The bottom surface of the basement body 1 is equipped with a drainage and pressure-reducing component, which can drain the accumulated water below the basement body 1 in a timely manner, lower the groundwater level, release the buoyancy of the basement body 1, and improve the structural stability of the basement body 1.

[0029] Furthermore, the drainage and pressure-reducing assembly includes a water pump 5 fixed to the top surface of the soil layer 100 by bolts and a floor layer 2 fixedly connected to the bottom surface of the structural exterior wall 101. The floor layer 2 is composed of, from top to bottom, a base plate 201, a flexible waterproof layer 202, a concrete cushion layer 203, a water collection component 204, a base 206, and a filter layer 205. This can effectively reduce the upward pressure on the basement body 1 and reduce the possibility of the basement body 1 being damaged by buoyancy during use.

[0030] Preferably, the filter layer 205 consists of an upper and lower gravel filter layer and a geotextile reverse filter layer; it filters groundwater and prevents blockage or equipment damage during pumping.

[0031] In a further preferred embodiment, the water collection component 204 includes a water collection block 2041 fixed to the top surface of the base 206 by bolts, and a cover plate 2042 fixed to the top surface of the water collection block 2041 by bolts. The outlet end of the water collection block 2041 and the inlet end of the water pump 5 are connected by bolts to the same water delivery pipe 6 buried inside the soil layer 100. When the groundwater level rises, water seeps into the water collection component 204 after being filtered by the filter layer 205 to remove sand and gravel impurities. The water pump 5 is then started to draw water from the water collection block 2041 through the water delivery pipe 6, thereby achieving drainage and pressure reduction.

[0032] As a supplement, the interior of the water collection block 2041 is provided with a number of water collection pits 20412 arranged in an array, and the number of water collection pits 20412 are interconnected in their internal space through through holes 20411 opened on one side of them.

[0033] Further supplemented, the top of the base 206 and the bottom of the cover plate 2042 within the range of one of the water collection pit 20412 are bolted with the same guide column 8, and the outer wall of the guide column 8 is sleeved with the floating plate 7; the bottom of the cover plate 2042 located directly above the floating plate 7 is bolted with a contact switch electrically connected with the water pump 5; when the water storage level in the water collection pit 20412 rises, it will drive the floating plate 7 to move upward, until the top of the floating plate 7 touches the contact switch and triggers the water pump 5 to start, so as to use the water pipe 6 to extract the water in the water collection pit 20412, realize automatic drainage and pressure reduction operation, and save manpower monitoring.

[0034] Working principle: when the underground water level rises, the water filters out sand and other impurities through the filter layer 205 and enters the water collection component 204, and when the water level rises, the floating plate 7 will move upward, until the top of the floating plate 7 touches the contact switch and triggers the water pump 5 to start, so as to use the water pipe 6 to extract the water in the water collection pit 20412 and send it out, thereby realizing the drainage and pressure reduction work.

[0035] Embodiment 2

[0036] A basement anti-floating structure, as shown in Figures 1-2 In order to increase the anti-floating capacity; based on embodiment 1, the following supplements are made: the outer wall of the basement body 1 is provided with an outer anti-floating assembly, which includes a plurality of frame-type anti-floating plates 4 bolted to the outer side of the structure outer wall 101, a plurality of connecting grooves 401 opened in the outer wall of the anti-floating plate 4, a plurality of anti-floating anchor rods 3 inserted into the inner wall of the connecting groove 401, a plurality of limiting covers 303 vertically welded on the circumferential outer wall of the anti-floating anchor rod 3, a plurality of conical pile caps 302 vertically and equidistantly bolted on the circumferential outer wall of the anti-floating anchor rod 3, and a plurality of bottom piles 301 bolted to the bottom end of the anti-floating anchor rod 3.

[0037] Preferably, each limiting cover 303 is carried on the top surface of each anti-floating plate 4;

[0038] The anti-floating anchor rod 3 is pushed into the connecting groove 401 and is fixed on the anti-floating plate 4 by the limiting cover 303. During use, the anti-floating plate 4 fixed around the basement body 1 cooperates with the anti-floating anchor rod 3, and during contact with the external soil layer 100, the two pull each other to assist in improving the stability of the basement body 1, improving the anti-floating capacity, and the soil in the soil layer 100 is also filled in the conical pile cap 302 and the bottom pile 301, forming a whole stress system of building foundation and stable stratum, thereby offsetting the damage of the upward force to the structure of the basement body 1.

[0039] Working principle: during use, the anti-floating plate 4 fixed around the basement body 1 cooperates with the anti-floating anchor 3, both of which play a role in assisting to improve the stability of the basement body 1 during contact with the external soil layer 100, improve the anti-floating capacity, and the soil in the soil layer 100 is also filled in the conical pile cap 302 and the pressed bottom pile 301, forming an overall stress system of the building foundation and the stable stratum, so as to offset the damage of the upward force to the structure of the basement body 1. When the underground water level rises, the water seeps into the water collecting part 204 through the filter layer 205, and the water level rises to drive the floating plate 7 to move upward until the top surface of the floating plate 7 touches the contact switch and triggers the water pump 5 to start, thereby using the water conveying pipe 6 to pump out the water in the water collecting pit 20412 and realize the drainage and pressure reduction work.

[0040] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A basement anti-floating structure comprising a basement body (1) arranged inside a soil layer (100) and surrounded by a structural outer wall (101), characterized in that, The bottom surface of the basement body (1) is provided with a drainage pressure relief assembly, which comprises a water pump (5) fixedly connected to the top surface of the soil layer (100) and a floor layer (2) fixedly connected to the bottom surface of the structural outer wall (101). The outer wall of the basement body (1) is provided with an outer peripheral anti-floating assembly.

2. The basement anti-float structure according to claim 1, wherein The structural components of the floor layer (2) include, from top to bottom, a bottom plate (201), a flexible waterproof layer (202), a concrete cushion layer (203), a water collecting component (204), a base (206), and a water filtering layer (205).

3. The basement anti-float structure according to claim 2, wherein The water filtering layer (205) is composed of a gravel filtering layer and a geotextile inverse filtration layer laid one above the other.

4. The basement anti-float structure according to claim 3, wherein The water collecting component (204) includes a water collecting block (2041) fixedly connected to the top surface of the base (206), and a cover plate (2042) fixedly connected to the top surface of the water collecting block (2041), and the outlet end of the water collecting block (2041) and the water inlet end of the water pump (5) are connected by a water delivery pipe (6) through bolts.

5. The basement anti-float structure according to claim 4, wherein The water collecting block (2041) is provided with two or more water collecting pits (20412) arranged in an array, and the two or more water collecting pits (20412) are respectively connected to each other through the through holes (20411) provided on one side surface.

6. The basement anti-float structure according to claim 5, wherein The top surface of the base (206) and the bottom surface of the cover plate (2042) within the wrapping range of one of the water collecting pits (20412) are fixedly connected to the same guide column (8), and the outer wall of the guide column (8) is sleeved with a floating plate (7). The bottom surface of the cover plate (2042) directly above the floating plate (7) is fixedly connected with a contact switch.

7. The basement anti-float structure according to claim 1, wherein The outer peripheral anti-floating assembly includes an anti-floating plate (4) fixedly connected to the outer side surface of the structural outer wall (101), a connecting groove (401) provided on the outer wall of the anti-floating plate (4), an anti-floating anchor rod (3) inserted into the inner wall of the connecting groove (401), two or more limiting covers (303) fixedly connected to the circumferential outer wall of the anti-floating anchor rod (3) in a vertical column, two or more conical pile caps (302) fixedly connected to the circumferential outer wall of the anti-floating anchor rod (3) in a vertical column, and a bottom pile (301) fixedly connected to the bottom end of the anti-floating anchor rod (3).

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