CN217580325U - Anti-floating device of underground facility - Google Patents
Anti-floating device of underground facility Download PDFInfo
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- CN217580325U CN217580325U CN202221257741.4U CN202221257741U CN217580325U CN 217580325 U CN217580325 U CN 217580325U CN 202221257741 U CN202221257741 U CN 202221257741U CN 217580325 U CN217580325 U CN 217580325U
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Abstract
The utility model provides an anti device that floats for underground facilities, pond wallboard (1) including vertical direction setting, the bottom of this pond wallboard (1) sets up pond bottom plate (2), and counterweight plate (3) are connected to pond bottom plate (2) bottom, connect through anti splice bar (4) of floating between pond bottom plate (2) and counterweight plate (3), and anchor end plate (5) are connected respectively to anti splice bar (4) top and bottom that floats. The density of the counterweight plate (3) is greater than that of the pool bottom plate (2). The length of the outer edge of the weight plate (3) exceeding the outer edge of the pool bottom plate (2) is not less than the thickness of the weight plate (3) and is not less than 500mm. Technical scheme does not need the height of redesign pond wallboard lateral wall, practices thrift design cost and construction cost, and can will pond wallboard lateral wall height and the size of pond bottom plate carry out standardized design and provide important guarantee for the protection of construction safety and groundwater.
Description
Technical Field
The utility model belongs to the technical field of underground structure is anti to float, especially, relate to an anti structure of floating in underground water pond.
Background
The pool structure is widely applied to various water supply plants, sewage treatment plants, heat source plants and the like in the municipal field, is mostly made of reinforced concrete and is partially or completely buried underground, but in places with higher underground water level, high-level underground water can generate buoyancy effect on the pool structure, and the pool structure needs to be designed to resist floating.
The existing anti-floating technology mainly comprises self-weight anti-floating, anti-pulling piles, anti-floating anchor rods and balance weight anti-floating filled in a pool. The self-weight anti-floating can be adopted when the buoyancy is small; uplift piles and anti-floating anchor rods are generally used under the condition of larger buoyancy, the design calculation is more complex, and if the geological conditions are poor, the pile length or the anchor rod length is very large, so that the construction is inconvenient. The backfilling counterweight anti-floating is realized by deepening the water pool and backfilling the counterweight material on the basis that the depth of the water pool meets the process requirement. Therefore, the treatment will increase the theoretical calculation height of the pool wall, increase the thickness and the reinforcement amount of the pool wall and increase the construction cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel anti device that floats of external counter weight of pond to prior art not enough.
The utility model provides an anti device that floats for underground facilities, includes the pond wallboard that vertical direction set up, and the bottom of this pond wallboard sets up the pond bottom plate, and pond wallboard and pond bottom plate are pouring structure as an organic whole, and the counterweight plate is connected to pond bottom plate bottom, connects through anti connector bar that floats between pond bottom plate and the counterweight plate, and the anchor end plate is connected respectively to anti connector bar top and bottom that floats.
The density of the counterweight plate is greater than that of the pool bottom plate.
Preferably, the length of the outer edge of the weight plate beyond the outer edge of the base plate is not less than the thickness of the weight plate and is not less than 500mm.
The diameter of the anti-floating connecting rib is 6-20mm, at least two groups of anti-floating connecting rib groups are respectively arranged between the pool bottom plate and the counterweight plate in an axisymmetric mode, and each group of anti-floating connecting rib group comprises at least one independent anti-floating connecting rib.
The distance between the single anti-floating connecting ribs is 250mm-500mm.
The distance between the anti-floating connecting rib at the innermost side of each group of anti-floating connecting ribs and the vertical central shaft of the bottom plate of the water tank is 150-250 mm.
Preferably, the anti-floating connecting rib is preset in the counterweight plate.
The thickness of the anchoring end plate is not less than 6mm and not less than 3.5d, and d is the diameter of the anti-floating connecting rib.
The outer edge of the weight plate is at least 500mm longer than the outer edge of the pool floor.
The length of the outer edge of the weight plate exceeding the outer edge of the pool bottom plate is larger than the thickness of the weight plate.
The thickness D of the counterweight plate is in accordance with the condition of the formula (1):
wherein, A represents the area of the weight plate, gamma' represents the floating volume weight of the weight plate, F represents the total buoyancy force received by the underground facility, and G represents the self weight of the underground facility.
The plain concrete counterweight plate can be made of common C25-C35 concrete, and can also be made of steel slag concrete according to counterweight requirements.
Preferably, the outward flange of pond bottom plate surpasss the length of pond wallboard lateral wall is not less than the wall thickness of pond bottom plate, the outward flange of this pond bottom plate surpasss partial upper portion and can be used for loading balancing weight or other counter weight materials, it does not influence the design height of pond wallboard to load counter weight material here, thereby effectively reduce the vertical height of underground facility, convenient construction, avoid the vertical interference with other underground facility, and greatly reduce excavation earth and stone volume, the labour is practiced thrift, reduce time cost and manpower are extravagant, thereby reduce direct economic cost, have great economic significance in engineering practical application field, simultaneously for accelerating underground facility construction period, improve underground facility and provide the advantage to the adaptability of different groundwater and geological environment. Thereby saving the design cost and shortening the design period.
When the underground facility anti-floating structure is applied under different geological conditions, the transverse length of the edge of the pool bottom plate can be increased, the counter weight is filled on the transverse length, the required buoyancy under the geological conditions of the use place is achieved under the condition that the height of the side wall of the pool wallboard is not increased, only the transverse length of the edge of the pool bottom plate and the filling counter weight on the upper part of the edge of the pool bottom plate are calculated, the height of the side wall of the pool wallboard does not need to be redesigned, the design cost and the construction cost are saved, and the height of the side wall of the pool wallboard and the size of the pool bottom plate are subjected to standardized design.
Anti structure of floating in underground water pool can be applied to all kinds of municipal administration class pond and industrial water pool structure.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the anti-floating device of the underground installation of the present invention.
Detailed Description
To further illustrate the anti-floating device provided by the present invention, a detailed description will be given by taking fig. 1 as an example.
Embodiment 1.1. An anti device that floats for underground facilities, an anti device that floats of underground pond, it includes the pond wallboard 1 that vertical direction set up, and the bottom of this pond wallboard 1 sets up pond bottom plate 2, and in this embodiment, pond wallboard 1 and pond bottom plate 2 are structure as an organic whole pouring, and the weight plate 3 is connected to pond bottom plate 2 bottom, the density of weight plate 3 is greater than pond bottom plate 2. The pool bottom plate 2 and the counterweight plate 3 are connected through an anti-floating connecting rib 4, and the top end and the bottom end of the anti-floating connecting rib 4 are respectively connected with an anchoring end plate 5.
In this embodiment, the diameter of anti splice bar 4 that floats is 6mm, and the difference axial symmetry arranges two sets of anti splice bars 4 that float between pond bottom plate 2 and counterweight plate 3, and every anti splice bar 4 that floats of group includes three solitary anti splice bar 4, and the interval between single anti splice bar 4 that floats is 450mm.
The distance of the innermost anti-floating connecting rib 4 of each group of anti-floating connecting ribs 4 from the vertical central shaft of the water tank bottom plate 2 is 250mm.
In the embodiment, the anchoring end plate 5 is a Q235B-level square steel plate, the thickness of the steel plate is 6mm, the width of the steel plate is 3.5d, and d is the diameter of the anti-floating connecting rib 4. In other embodiments, the anchorage end plate 5 is made of Q345B grade steel.
The outer edge of the weight plate 3 is 500mm longer than the outer edge of the pool floor 2.
The length of the outer edge of the weight plate 3 beyond the outer edge of the pool floor 2 is greater than the thickness of the weight plate 3.
In this embodiment, the weight plate 3 is cast with plain concrete.
The thickness of the weight plate 3 should be in accordance with: the volume of the weight plate 3 multiplied by the floating volume weight of the weight plate 3 is more than 1.05 times of the difference value of the total buoyancy of the underground water pool and the self weight of the underground water pool.
In another embodiment, the weight plate 3 is a precast concrete structure.
In another embodiment, the weight plate 3 is a steel slag-added concrete structure.
Example 1.2. An anti-floating device for an underground water pool, which is similar to example 1, is different in that the diameter of the anti-floating connecting rib 4 is 20mm.
In other embodiments, the anti-floating connector bars 4 have a diameter of 8mm, 10mm, 12mm, 14mm, 16mm.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (9)
1. An anti-floating device of an underground facility comprises a pool wallboard (1) arranged in the vertical direction, wherein the bottom of the pool wallboard is provided with a pool bottom plate (2), and is characterized in that a counterweight plate (3) is connected below the bottom of the pool bottom plate (2), an anti-floating connecting rib (4) is connected between the pool bottom plate (2) and the counterweight plate (3), and the top end and the bottom end of the anti-floating connecting rib (4) are respectively connected with an anchoring end plate (5); the density of the balance weight plate (3) is greater than that of the pool bottom plate (2).
2. An anti-floating device of an underground installation according to claim 1, characterized in that the length of the outer edge of the weight plate (3) beyond the outer edge of the bottom plate is not less than the thickness of the weight plate and not less than 500mm.
3. The anti-floating device of underground facility according to claim 1, wherein the diameter of the anti-floating connecting rib is 6-20mm, and at least two sets of anti-floating connecting rib sets are arranged between the pool bottom plate (2) and the counterweight plate (3) in an axisymmetric manner.
4. An anti-floating device for underground facilities according to claim 1, characterized in that the distance between the individual anti-floating connecting ribs (4) in each set of anti-floating connecting rib is 250mm-500mm.
5. An anti-floating device for underground installation according to claim 1, characterized in that the distance between the innermost anti-floating tie bar (4) in each set of anti-floating tie bar sets and the vertical central axis of the pool bottom plate (2) is 150mm-250mm.
6. Anti-floating device of underground installation according to claim 1, characterized in that the thickness of the anchoring end plate (5) is not less than 6mm and not less than 3.5d, d being the diameter of the anti-floating connection rib (4).
7. An anti-floating device for underground installations according to claim 1, characterised in that the outer edge of the weight plate (3) is at least 500mm longer than the outer edge of the pool floor (2).
8. An anti-floating device for underground facilities according to claim 1, characterized in that the length of the outer edge of the weight plate (3) beyond the outer edge of the pool bottom plate (2) is greater than the thickness of the weight plate (3).
9. An anti-floating device for underground installation according to claim 1, characterized in that the volume of the weight plate (3) multiplied by the floating volume weight of the weight plate (3) should be greater than 1.05 times the difference between the total buoyancy of the underground installation and the self weight of the underground installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221257741.4U CN217580325U (en) | 2022-05-24 | 2022-05-24 | Anti-floating device of underground facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221257741.4U CN217580325U (en) | 2022-05-24 | 2022-05-24 | Anti-floating device of underground facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217580325U true CN217580325U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221257741.4U Active CN217580325U (en) | 2022-05-24 | 2022-05-24 | Anti-floating device of underground facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217580325U (en) |
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2022
- 2022-05-24 CN CN202221257741.4U patent/CN217580325U/en active Active
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