CN201040937Y - Automatic pressure-relief device for water storage structure - Google Patents
Automatic pressure-relief device for water storage structure Download PDFInfo
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- CN201040937Y CN201040937Y CNU2006200444696U CN200620044469U CN201040937Y CN 201040937 Y CN201040937 Y CN 201040937Y CN U2006200444696 U CNU2006200444696 U CN U2006200444696U CN 200620044469 U CN200620044469 U CN 200620044469U CN 201040937 Y CN201040937 Y CN 201040937Y
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- water storage
- base plate
- water
- relief hole
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Abstract
The utility model provides an automatic pressure relief device for a water storage structure, which is in characterized that on the bottom plate of the water storage structure has a pressure relief hole inside which the filter material layer is filled, a notch for placing the precast block is arranged surrounding the pressure relief hole, a guide filter layer is arranged below the bottom plate of the water storage structure of the bottom of the pressure relief hole. The automatic pressure relief device has the advantages that: when the water level in the water storage structure is higher than the water level of the groundwater, the precast block is closely combined with the norch under the action of the dead weight and the internal water pressure to prevent the water in the water storage structure from outflow; when the water level in the water storage structure is lower than the water level of the groundwater, the precast block will produce a certain gap with the notch under the action of the external water pressure, namely the buoyancy effect, the groundwater is permeated into the pool through the guide filter layer with better permeability to reduce the external water pressure and resist the groundwater buoyancy.
Description
Technical field:
The utility model relates to the technical field of the normal stability problem safe in utilization of underground type or semi-underground type water storage structure, and specifically a kind of underground type or semi-underground type water storage structure of being used for solves automatic decompression device to buoyancy force of underground water.
Background technology:
At some water quality there is not the water storage structure of specific (special) requirements, as: wastewater disposal basin, sludge-tank etc., because the needs of production technology, buried depth is darker, in the higher area of groundwater table, structure are subjected to bigger buoyancy force of underground water.And the conventional deadweight of structure is not enough, causes whole come-up or local displacement, normally moves thereby influence structure.For solving the anti-floating problem of structure, several technical schemes below general the employing:
1, structure counterweight scheme
Promptly increase dead load opposing buoyancy force of underground water, strengthen the structure cross section, the also corresponding increase of concrete and amount of reinforcement, the investment cost of structure strengthens;
2, top board mound scheme
Can resist buoyancy force of underground water at its top board top mound ballast to the water storage structure that top board is arranged, since the increase of top top board load, the corresponding increase of structure stress, structural element need be strengthened arrangement of reinforcement, and the investment cost of structure also will strengthen;
In some engineering, because of other reasons, do not allow top board mound or restriction mound height, just can not adopt top board mound scheme;
3, pile foundation scheme
Utilize stake and the frictional resistance and the deadweight of the soil body to resist buoyancy force of underground water.Pile foundation engineering not only expense is bigger, and construction period is also longer;
Pile foundation construction has certain adverse effect to surrounding environment in addition, and building or all kinds of pipeline are not taked other safeguard measure as nearer from pile foundation, just should not adopt this programme;
4, relief valve scheme
Pre-buried unidirectional relief valve on the water storage structure base plate.The relief valve cost of equipment is bigger, simultaneously in order to guarantee the normal use of relief valve, need carry out regular maintaining, increases the regular maintenance expense.
Summary of the invention:
The automatic decompression device that the purpose of the utility model device is to provide a kind of cheap, easy construction, release to safeguard, it can solve the problem of water storage structure opposing buoyancy force of underground water.
The technical solution of the utility model is achieved in that a kind of automatic decompression device that is used for water storage structure, and it mainly comprises the water storage structure base plate, the pool wall that is connected as a single entity with base plate,
It is characterized in that: be provided with relief hole at the water storage structure base plate, fill out filtering material layer in the relief hole, be provided for shelving the recess of prefabricated section along the periphery place in the pressure release aperture of water storage structure base plate, in recess, shelve prefabricated section, under the water storage structure base plate at place, relief hole bottom, be provided with and lead filtering layer.
This automatic decompression device has following effect during use: when water level is higher than groundwater level in the water storage structure, prefabricated section under the deadweight and the effect of internal water pressure and the recess in base plate pressure release aperture combine closely, stop the outflow of the interior water of water storage structure; When water level is lower than groundwater level in the water storage structure, prefabricated section is in the underground water external water pressure, be under the buoyancy, the recess in meeting and base plate pressure release aperture produces certain slit, underground water is led filtering layer preferably by permeability and is penetrated in the pond, to reduce external water pressure power, play the effect of opposing buoyancy force of underground water.The deadweight of prefabricated section, the spacing of layout and the material of selecting for use can calculate by formula of the prior art according to the height of scene groundwater table over the years, the height of pool inner water position and the deadweight of structure.This automatic decompression device is cheap, easy construction, maintenance are exempted, and safe and practical.Water quality is not had the water storage structure of specific (special) requirements, as sludge-tank, wastewater disposal basin etc., is the effective technology scheme that solves the anti-floating problem.Solved in the adverse effect of groundwater level region underground water uplift pressure underground type or the generation of semi-underground type water storage structure.
Description of drawings
Fig. 1 is the structural plan figure of the utility model device one embodiment
Fig. 2 is the A-A sectional drawing in the accompanying drawing 1
The specific embodiment:
Below in conjunction with drawings and Examples the utility model device is further described;
The utility model is a kind of automatic decompression device 11 that is used for water storage structure, it mainly comprises water storage structure base plate 1, the pool wall that is connected as a single entity with base plate, it is characterized in that: be provided with relief hole 2 at water storage structure base plate 1, fill out filtering material layer 10 in the relief hole, be provided for shelving the recess 3 of prefabricated section in the pressure release aperture of water storage structure base plate along the periphery place, in recess, shelve prefabricated section 4, under the water storage structure base plate at place, relief hole bottom, be provided with and lead filtering layer 5.The filtering material layer of filling out in the relief hole in the enforcement is middle sand bed, at two-way in length and breadth several relief holes 2 that is provided with of water storage structure base plate, the diameter of relief hole is 50-200mm, lead filtering layer 5 and be followed successively by rubble layer 6, microlith layer 7 and sand bed 8 from top to bottom, establish a geotechnological layer of cloth 9 between filtering layer 5 and the base plate 1 leading; Recess that is provided with at water storage structure base plate place and the prefabricated section of shelving in recess are truncated cone-shaped, cylindrical or cuboid.Below provide embodiment, certain mud counterbalance cell planar dimension: 30 meters * 30 meters, open type, 6 meters of buried depths, 0.2 meter above ground level, groundwater table 0.5 meter that locates below ground level.The steel concrete wallboard, with the reinforced concrete floor that wallboard is connected as a single entity, base plate thick 650, reserve the relief hole of Φ 100 on the base plate, 2.5 meters of two-way in length and breadth spacings are filled out medium sand in the hole, place, pressure release aperture base plate reserves the recess of reverse frustoconic, round platform end face diameter is Φ 600mm, the bottom surface diameter is Φ 300mm, and the prefabricated section of reverse frustoconic is put into recess, and the relief hole place leads filtering layer under the base plate, lead the filtering layer way: internal layer: 250mm is thick, is 5～20mm rubble sublayer; Middle level: 150mm is thick to be 1～5mm microlith sublayer; Outer: 150mm is thick to be 0.25～1mm medium-sand seam.Leading filtering layer and back plate connections shop one deck diameter is the geotextiles of Φ 300mm.Fig. 2 in the accompanying drawing represents that groundwater table is higher than pool inner water position state.
The economy of the utility model and prior art compares:
1, compares with structure counterweight scheme: can save about 51.4 ten thousand yuan of investment.
2, compare with Pile Foundation: adopt cross section 300 * 300 precast square piles, stake is long 25 meters, Can save about 46.8 ten thousand yuan of investment.
3, compare with the relief valve scheme: can save investment about 600,000.
Claims (4)
1. automatic decompression device that is used for water storage structure, it mainly comprises the water storage structure base plate, the pool wall that is connected as a single entity with base plate, it is characterized in that: be provided with relief hole at the water storage structure base plate, fill out filtering material layer in the relief hole, be provided for shelving the recess of prefabricated section in the aperture of water storage structure base plate along the periphery place, in recess, shelve prefabricated section, under the water storage structure base plate at place, relief hole bottom, be provided with and lead filtering layer.
2. by the described a kind of automatic decompression device that is used for water storage structure of claim 1, it is characterized in that: in the two-way in length and breadth some pressure releases hole that is provided with of water storage structure base plate, the diameter of relief hole is 50-200mm.
3. by the described a kind of automatic decompression device that is used for water storage structure of claim 1, it is characterized in that: lead filtering layer and be followed successively by internal layer, middle level and skin from top to bottom, internal layer is the thick rubble sublayer of 100-450mm, and the middle level is the thick microlith sublayer of 50-250mm; Skin is the thick medium-sand seam of 50-250mm, establishes a geotechnological layer of cloth between filtering layer and the base plate leading.
4. by the described a kind of automatic decompression device that is used for water storage structure of claim 1, it is characterized in that: recess that is provided with at water storage structure base plate place and the prefabricated section of shelving in recess are truncated cone-shaped, cylindrical or cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200444696U CN201040937Y (en) | 2006-08-01 | 2006-08-01 | Automatic pressure-relief device for water storage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200444696U CN201040937Y (en) | 2006-08-01 | 2006-08-01 | Automatic pressure-relief device for water storage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201040937Y true CN201040937Y (en) | 2008-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200444696U Expired - Lifetime CN201040937Y (en) | 2006-08-01 | 2006-08-01 | Automatic pressure-relief device for water storage structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN201040937Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251695A (en) * | 2011-05-26 | 2011-11-23 | 中建七局第二建筑有限公司 | Anti-floating automatic pressure relief device for pool |
| CN113250248A (en) * | 2021-05-17 | 2021-08-13 | 四川康久美建筑工程有限公司 | Pressure leakage and pressure relief device under existing building anti-floating layer and construction method thereof |
-
2006
- 2006-08-01 CN CNU2006200444696U patent/CN201040937Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251695A (en) * | 2011-05-26 | 2011-11-23 | 中建七局第二建筑有限公司 | Anti-floating automatic pressure relief device for pool |
| CN102251695B (en) * | 2011-05-26 | 2013-07-10 | 中建七局第二建筑有限公司 | Anti-floating automatic pressure relief device for pool |
| CN113250248A (en) * | 2021-05-17 | 2021-08-13 | 四川康久美建筑工程有限公司 | Pressure leakage and pressure relief device under existing building anti-floating layer and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080326 |
|
| EXPY | Termination of patent right or utility model |