Emergency basement anti-floating device capable of being embedded
By designing a pre-embedded emergency basement anti-floating device, using components such as pressure relief wells and automatic limit water pumps, the problem of basement floating due to groundwater buoyancy is solved, and the effect of reducing groundwater anti-floating level and avoiding floating is achieved, reducing construction costs.
Patent Information
- Application Number
- CN202421370833.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-14
AI Technical Summary
In modern cities, basements are often floating accidents due to groundwater buoyancy, especially in areas with abundant groundwater. The existing technology is difficult to effectively reduce the groundwater anti-floating level, resulting in increased construction costs.
A pre-embedded emergency basement anti-floating device is designed, including multiple pressure relief wells arranged around the periphery of the basement. The pressure relief well is connected to the drainage main pipe through the drainage branch pipe, and the drainage main pipe is connected to the reservoir water accumulation well. An automatic limit water pump and an external drainage pipe are installed in the reservoir water accumulation well. The pressure relief well is equipped with a filter filter element and a water stop ring. The manhole cover is flush with the floor, and the manhole cover is connected to the well pipe through the manhole cover thread to seal the well pipe.
When the groundwater level is higher than the anti-floating level, the device will automatically start. The pressure relief valve is used to set the pressure discharged groundwater pressure to reduce the anti-floating level of the groundwater, avoid the basement from floating, achieve the purpose of emergency pressure relief and anti-floating, and reduce costs.
Smart Images
Figure CN222758963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an anti-floating device, in particular to an emergency basement anti-floating device which can be pre-buried. Background Art
[0002] Modern cities have an increasing demand for underground space, mainly including underground parking lots, underground shopping malls, subways, underground tunnels, underground integrated pipe galleries, etc. These underground structures are always affected by the buoyancy of groundwater. In recent years, many basement floating accidents have occurred in many high-rise buildings in China, especially the uneven floating of large-scale basements, which has caused cracks in basement columns and walls, local uplift of the floor, etc., causing serious impacts and huge losses.
[0003] Especially in areas with abundant groundwater, the groundwater level varies greatly. If the anti-floating water level is set according to the most unfavorable water level, the construction cost will be greatly increased. Therefore, it is necessary to provide a pre-buried emergency basement anti-floating device that can lower the groundwater anti-floating water level. When the groundwater is higher than the set floating water level, the groundwater can be automatically discharged through the system to prevent the basement from floating. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide an emergency basement anti-floating device which can be pre-buried, which can not only reduce the anti-floating water level of groundwater, but also is safe and reliable and greatly reduces the cost.
[0005] The utility model adopts a technical solution to solve the above technical problems, which is to provide an emergency basement anti-floating device that can be pre-buried, including a plurality of pressure relief wells arranged around the periphery of the basement, wherein the plurality of pressure relief wells are connected to a drainage main pipe through a drainage branch pipe, and a pressure relief valve is arranged on the drainage branch pipe; the drainage main pipe is connected to a basement water well, and an automatic limit water pump and an external drainage pipe are arranged in the basement water well; the pressure relief well includes a well cover and a well pipe, and the well pipe is pre-buried in the basement floor, a filter element is arranged in the well pipe, and a water stop ring is arranged on the outside of the well pipe.
[0006] Furthermore, there are two water stop rings, which are embedded and fixed in the basement floor.
[0007] Furthermore, the bottom of the well pipe is connected to a water inlet filter pipe, and backfill coarse sand is arranged on the outer side of the bottom of the well pipe and the outer side of the water inlet filter pipe.
[0008] Furthermore, the backfill coarse sand is laid on the soil layer, and a cushion layer is arranged between the backfill coarse sand and the basement floor.
[0009] Furthermore, the filter element is fixed in the well pipe by a filter element buckle.
[0010] Furthermore, the manhole cover is connected to the well pipe through a manhole cover thread and a rubber sealing cover, the upper surface of the manhole cover is flush with the upper surface of the basement floor, and the drainage branch pipe and the drainage main pipe are laid on the basement floor.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the pre-buried emergency basement anti-floating device provided by the utility model arranges multiple pressure relief wells around the basement, and sets the external groundwater pressure through the pressure relief valve in the pressure relief well. It is activated only when the groundwater level is higher than the anti-floating water level, thereby lowering the groundwater anti-floating water level and preventing the basement from floating, thereby achieving the purpose of emergency pressure relief and anti-floating. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the structure of the emergency basement anti-floating device that can be pre-buried according to the utility model;
[0013] Figure 2 This is a schematic diagram of the pressure relief well in the emergency basement anti-floating device of the utility model being pre-buried in the basement floor;
[0014] Figure 3 It is a schematic diagram of the structure of the pressure relief well in the emergency basement anti-floating device of the utility model.
[0015] The markings in the figure are:
[0016] 1. Pressure relief well; 2. Drainage branch pipe; 3. Drainage main pipe; 4. Basement water well; 5. Automatic limit water pump; 6. External drainage pipe; 7. Basement floor; 8. Basement bottom plate; 10. Cushion layer; 11. Soil layer; 12. Pressure relief valve; 13. Manhole cover; 14. Manhole cover thread; 15. Rubber sealing cover; 16. Well pipe; 17. Water stop ring; 18. Filter element; 19. Filter element buckle; 20. Backfill with coarse sand; 21. Water inlet filter pipe. DETAILED DESCRIPTION
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0018] Figure 1 This is a schematic diagram of the structure of the emergency basement anti-floating device that can be pre-buried according to the utility model; Figure 2 This is a schematic diagram of the pressure relief well in the emergency basement anti-floating device of the utility model being pre-buried in the basement floor; Figure 3 It is a schematic diagram of the structure of the pressure relief well in the emergency basement anti-floating device of the utility model.
[0019] See also Figure 1 , Figure 2 and Figure 3The utility model provides a pre-buried emergency basement anti-floating device, comprising a plurality of pressure relief wells 1 arranged around the periphery of a basement 1, wherein the plurality of pressure relief wells 1 are connected to a drainage main pipe 3 through a drainage branch pipe 2, and a pressure relief valve 12 is arranged on the drainage branch pipe 2; the drainage main pipe 3 is connected to a basement water well 4, and an automatic limit water pump 5 and an external drainage pipe 6 are arranged in the basement water well 4; the pressure relief well 1 comprises a well cover 13 and a well pipe 16, and the well pipe 16 is pre-buried in a basement floor 8, and a filter element 18 is arranged in the well pipe 16, and a water stop ring 17 is arranged outside the well pipe 16. The filter element 18 is fixed in the well pipe 16 by a filter element buckle 19.
[0020] The utility model provides a pre-buried emergency basement anti-floating device, wherein the number of the water stop rings 17 is two, and the water stop rings 17 are embedded and fixed in the basement floor 8. The bottom of the well pipe 16 is connected to the water inlet filter pipe 21, and the outer side of the bottom of the well pipe 16 and the outer side of the water inlet filter pipe 21 are provided with backfill coarse sand 20; the backfill coarse sand 20 is laid on the soil layer 11, and a cushion layer 10 is provided between the backfill coarse sand 20 and the basement floor 8.
[0021] The utility model provides a pre-buried emergency basement anti-floating device, wherein the manhole cover 13 is connected to the well pipe 16 through a manhole cover thread 14 and a rubber sealing cover 15, the upper surface of the manhole cover 13 is flush with the upper surface of the basement floor 7, and the drainage branch pipe 2 and the drainage main pipe 3 are laid on the basement floor 7.
[0022] The utility model provides a pre-buried emergency basement anti-floating device. Figure 3 The drainage well equipment is in accordance with Figure 2 Pre-buried in the basement floor, the discharge pressure of the pressure relief valve 12 is set according to the anti-floating water level set in the basement. When the actual water level is higher than the anti-floating water level, the groundwater in the soil layer 11 passes through the backfill coarse sand 20 to filter the soil particles and then passes through the water inlet filter pipe 21 into the pre-buried well pipe 16. The groundwater is further purified by the filter element 18 and then enters the drainage branch pipe 2, flows into the drainage main pipe 3, and is collected in the basement water well 4. When the water level reaches the predetermined water level, the automatic limit water pump 5 is turned on to discharge the groundwater through the external drainage pipe 6.
[0023] The utility model provides a pre-buried emergency basement anti-floating device with the following technical features:
[0024] (1) The pressure relief valve 12 is used to set the external groundwater pressure, which is activated only when the groundwater level is higher than the anti-floating water level, so as to achieve the purpose of emergency pressure relief and anti-floating.
[0025] (2) The filter element 18 is fixed in the drainage well by the filter element buckle 19, so as to filter the groundwater and prevent the basement from sinking due to the loss of soil particles caused by the failure of the filter tube.
[0026] (3) Two water stop rings 17 are arranged outside the well pipe 16 to fix the well pipe 16 in the basement floor 8 and prevent groundwater from leaking into the basement along the well pipe 16.
[0027] (4) The manhole cover 13 is flush with the ground and does not affect the use of the underground garage. The manhole cover 13 is connected to the well pipe 16 through the manhole cover thread 14 and works together with the rubber sealing cover 15 to seal the well pipe and prevent groundwater from leaking out.
[0028] (5) An automatic limit water pump 5 is provided in the basement water well 4 to control the water level. The automatic limit water pump 5 is started only when the water level reaches the upper limit, so as to discharge the groundwater from the basement in time and avoid frequent starting and stopping of the water pump.
[0029] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.
Claims
1. A pre-buried emergency basement anti-floating device, characterized in that: The invention comprises a plurality of pressure relief wells (1) arranged around the periphery of a basement, wherein the plurality of pressure relief wells (1) are connected to a drainage main pipe (3) via drainage branch pipes (2), and a pressure relief valve (12) is arranged on the drainage branch pipes (2); the drainage main pipe (3) is connected to a basement water well (4), and an automatic limit water pump (5) and an external drainage pipe (6) are arranged in the basement water well (4); the pressure relief well (1) comprises a well cover (13) and a well pipe (16), and the well pipe (16) is pre-buried in the basement floor (8), a filter element (18) is arranged in the well pipe (16), and a water stop ring (17) is arranged on the outside of the well pipe (16).
2. The pre-buried emergency basement anti-floating device according to claim 1 is characterized in that: The number of the water stop rings (17) is two, and the water stop rings (17) are embedded and fixed in the basement floor (8).
3. The pre-buried emergency basement anti-floating device according to claim 1 is characterized in that: The bottom of the well pipe (16) is connected to a water inlet filter pipe (21), and backfill coarse sand (20) is provided on the outside of the bottom of the well pipe (16) and the outside of the water inlet filter pipe (21).
4. The pre-buried emergency basement anti-floating device according to claim 3 is characterized in that: The backfill coarse sand (20) is laid on the soil layer (11), and a cushion layer (10) is provided between the backfill coarse sand (20) and the basement floor (8).
5. The pre-buried emergency basement anti-floating device according to claim 1 is characterized in that: The filter element (18) is fixed in the well pipe (16) via a filter element buckle (19).
6. The pre-buried emergency basement anti-floating device according to claim 1, characterized in that: The manhole cover (13) is connected to the manhole pipe (16) via a manhole cover thread (14) and a rubber sealing cover (15); the upper surface of the manhole cover (13) is flush with the upper surface of the basement floor (7); and the drainage branch pipe (2) and the drainage main pipe (3) are laid on the basement floor (7).