CN205742298U - Control hydrostatic pressing device under the negative of basis - Google Patents
Control hydrostatic pressing device under the negative of basis Download PDFInfo
- Publication number
- CN205742298U CN205742298U CN201620407526.6U CN201620407526U CN205742298U CN 205742298 U CN205742298 U CN 205742298U CN 201620407526 U CN201620407526 U CN 201620407526U CN 205742298 U CN205742298 U CN 205742298U
- Authority
- CN
- China
- Prior art keywords
- water
- basis
- negative
- filtration
- pressing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
This utility model provides one to control hydrostatic pressing device under the negative of basis, comprises: at least one filters captation and at least one decompression water feed apparatus.Described filtration captation is arranged at below the negative of basis and between soil layer, and described filtration captation includes at least one engineering filter course, at least one filtration collector pipe, at least one drainage blanket and at least one waterproof layer.Described decompression water feed apparatus is mounted in the basis water tank above the negative of basis.Decompression water feed apparatus includes: at least one water inlet pipe, at least one non-return valve and at least one outlet pipe.Wherein, the drainage blanket in described filtration captation is the squared network for water draining being made up of a plurality of netting twine arranged in parallel and a plurality of connection rib arranged in parallel.
Description
Technical field
This utility model relates to hydrostatic pressing device under the negative of a kind of control basis, especially in regard to a kind of base being positioned at structure
In order to diminishing pressure or the constructing structure of control hydraulic pressure below plinth negative.
Background technology
The metropolitan area of population concentration, owing to populous and available soil is the narrowest and small, in addition building of city plan is covered
Rate limits, and available land area more reduces, and therefore, various building structures only upwards increase, deepen downwards to increase
Available inner space, utilizes modern building technology and new-type building materials simultaneously, reduces the volume of post, beam, wall, plate, outside making as far as possible
The structure physical ability that portion's volume is identical has more inner space, effectively reduces again the building of entirety, construction cost.
But, aforesaid deep layer building structure, although reach to increase space, the purpose of reduction cost, produce also
Shortcoming is as follows: (1) structure overall weight is light, and when level of ground water is higher, the weight of structure cannot be in balanced soil layer
Lower water level to buoyancy, make the basic negative of structure bear excessive buoyancy, when exceeding loading and being critical, have structure
The overall problem floated, or will result in rupturing of basis negative；(2) buoyancy of the gradient of water table, Pore Pressure and subsoil water
Large and small inequality, the basis buoyancy that born of negative is different, long-time after cause basis negative and the inclination of structure.
In order to solve the problem that above-mentioned underground buoyancy of water and Pore Pressure are caused for deep layer building structure, existing
Construction method or technology have: (1) basis water tank rockfills weighting procedure, and (2) anti-floating foundation pile method, (3) anti-floating earth anchor method, (4) structure increases the weight of
Method.But, the entire body shortcoming of existing construction method or technology or problem are as follows: (1) construction effect is fixing, and (2) cannot be with soil layer
The WATER LEVEL CHANGES of environment and adjust, (3) construction is difficult to, long in time limit, cost is high, and (4) entire body can not be applicable to all soil layers
Characteristic, (5) need to drill soil layer and test pile in advance, and (6) must adjust the pulling force of earth anchor, it is impossible to long-time anticorrosion rust, (7) additionally execute
Work, increases engineering cost, brings inconvenience, and (8) reduce the problems such as construction inner free space, are the spaces still having improvement.
Utility model content
For the foregoing reasons, the purpose of this utility model is to provide one be applicable to continuous wall injection to impermeable stratum
Structure basis, in order to lower and to control buoyancy (Uplift) or the Pore Pressure that in deep foundation engineering, raft foundation negative is born
Power (Pore water pressure), uses the loading distribution of balanced basis negative, it is to avoid structure is overall slowly to be tilted.
For reaching object defined above, this utility model provides one to control hydrostatic pressing device under the negative of basis, comprising: at least
One filters captation and at least one decompression water feed apparatus.Described filtration captation be arranged at basis negative below with soil
Between Ceng, and described filtration captation include at least one engineering filter course, at least one filter collector pipe, at least one drainage blanket with
And at least one waterproof layer.Above layers the most from bottom to top be set with is below the negative of basis and between soil layer.Described subtracts
Pressure water feed apparatus is mounted on the basis water tank above the negative of basis, and decompression water feed apparatus includes: at least one water inlet pipe, with institute
State the filtration collector pipe connection filtering captation；At least one non-return valve, is arranged in the passage of described water inlet pipe, in order to limit
The flow direction of the seepage water in this water inlet pipe, makes the seepage water in described water inlet pipe be only capable of from the filtration collector pipe filtering captation
Direction one-way flow toward water inlet pipe；And, at least one outlet pipe, it is connected with described water inlet pipe.Wherein, described filtration is catchmented dress
Drainage blanket in putting is a squared network for water draining.Squared network for water draining is by a plurality of netting twine arranged in parallel and a plurality of connection arranged in parallel
Rib is formed, and described connection rib has an angle relative to described netting twine, and described connection rib is arranged on described netting twine
To connect and fixing described netting twine.Additionally, the one of the described connection rib of squared network for water draining facing to this basis negative direction put
Put.
According to an embodiment of the present utility model, each in described connection rib has up-narrow and down-wide trapezoidal cuing open
Face shape.
According to an embodiment of the present utility model, it is further provided with between described filtration collector pipe and engineering filter course
At least one second row water layer, and second row water layer has the structure identical with drainage blanket.
According to an embodiment of the present utility model, engineering filter course is a heat molten type adhesive-bonded fabric.Filter collector pipe outside portion
Subpackage is covered with an adhesive-bonded fabric.Additionally, described waterproof layer is a PE cloth.
According to an embodiment of the present utility model, the thickness of described squared network for water draining is 6.2mm, the described connection of squared network for water draining
Spacing between rib be the spacing between 11.0mm, and the described netting twine of squared network for water draining be 6.0mm.
Hydrostatic pressing device under the negative of basis is controlled, by filtering captation by the bottom of basis through provided by the utility model
The water that below Ban, in soil layer, hydraulic pressure is too high is collected, via filtration collector pipe, water inlet pipe inflow decompression water feed apparatus by outlet pipe
It is thrown in the water tank of basis, makes the ground water pressure reduction below the negative of basis, the basic water tank weight above the negative of basis increase,
Use and reach to lower and control buoyancy (Uplift) or pore pressure (the Pore water that basis negative is born
Pressure), prevent basis negative from causing the overall purpose slowly tilted of structure because of loading skewness.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of this utility model one embodiment；
Fig. 2 is the partial sectional view of this utility model one embodiment；
Fig. 3 is the A-A sectional view of Fig. 1；
Fig. 4 A is the axonometric chart of the squared network for water draining of display this utility model one embodiment；
Fig. 4 B is the profile of the squared network for water draining of display this utility model one embodiment；And
Fig. 4 C is the plane graph of the squared network for water draining of display this utility model one embodiment.
Wherein, description of reference numerals is as follows:
10 filter captation
11 engineering filter courses
12 filter collector pipe
13 drainage blankets
131 netting twines
132 connect rib
14 waterproof layers
20 decompression water feed apparatus
21 water inlet pipes
22 non-return valves
23 air bleeding valves
24 outlet pipes
241 flow meters
30 basis negatives
31 basis water tanks
311 water level faces
312 delivery pipes
40 soil layers
T thickness
P1, P2 spacing
Detailed description of the invention
Hereinafter coordinate graphic and reference that embodiment of the present utility model is done more detailed description, make to be familiar with ability
The technical staff in territory can implement after studying this specification carefully according to this.
Fig. 1 is the structure cross-sectional schematic of this utility model embodiment, and Fig. 2, Fig. 3 are respectively partial cutaway of the present utility model
View, A-A cross-section cutaway view, each layer ordered state of captation and the annexation with water inlet pipe are filtered in display.This practicality
Hydrostatic pressing device under novel provided control basis negative, comprises: at least one filters captation 10 and at least one decompression
Water feed apparatus 20.Described filtration captation 10 is arranged at below the negative 30 of basis and between soil layer 40, and described filtration collects
Water device 10 includes that at least one engineering filter course 11, at least filters collector pipe 12, an at least drainage blanket 13 and at least and prevents
Water layer 14.Above layers the most from bottom to top be set with is below the negative 30 of basis and between soil layer 40.Hereinafter, by advanced person one
Walk each layer for filtration and water device 10 to be described in detail.
Described engineering filter course 11 is located at above soil layer 40；Engineering filter course 11 is in order to filter soil stone granule, remains etc.
Etc. the foreign material of physical property, and there is high water-permeability, can prevent from filtering the physical property clogged conditions of captation 10.New in this practicality
In the embodiment of type, the heat molten type adhesive-bonded fabric that described engineering filter course 11 is engineering.Heat molten type adhesive-bonded fabric is through hot melt
Type high density polyethylene fiber is compressing, and it has acid and alkali-resistance, without putrefaction, high water-permeability and effectively prevents from sieving soil more than #200
The characteristics such as grain passes through.
The described collector pipe 12 that filters is arranged at the pipeline between engineering filter course 11 and drainage blanket 13, in order to filter and to receive
Ji Dixiashenliushui.In embodiment of the present utility model, the exterior section filtering collector pipe 12 is coated with adhesive-bonded fabric.
Described drainage blanket 13 is disposed on filtering between collector pipe 12 and waterproof layer 14, and the flowing as seepage water is led to
Road.Drainage blanket 13 is with the high material of not burn into comprcssive strength, such as: high density polyethylene (HDPE) (HDPE), high density PVC (HPVC),
High density PE etc., makes the grid structure of a kind of high water-permeability.In embodiment of the present utility model, drainage blanket 13 is to use
Squared network for water draining as shown in Fig. 4 A～Fig. 4 C.
As shown in Fig. 4 A～Fig. 4 C, squared network for water draining is by a plurality of netting twine 131 arranged in parallel and arranged in parallel a plurality of
Connect rib 132 to be formed.Connect rib 132, relative to netting twine 131, there is an angle, and connection rib 132 is arranged at netting twine
Upper 131 to connect and fixing described netting twine.As shown in Figure 4 B, in embodiment of the present utility model, connect in rib 132 is every
One has up-narrow and down-wide trapezoidal section shape, and the thickness t of described squared network for water draining is 6.2mm.Additionally, such as Fig. 4 C institute
Showing, spacing P1 between each adjacent netting twine of squared network for water draining is 6.0mm, and each adjacent connection rib of squared network for water draining
Spacing P2 between 132 is 11.0mm.
When above-mentioned squared network for water draining being arranged between filtration collector pipe 12 and waterproof layer 14, the connection rib of squared network for water draining
The one of bar 132 puts facing to the direction of basis negative 30, and in other words, the one of the connection rib of squared network for water draining faces up and puts.
Additionally, when laying squared network for water draining, be that the mode through overlap joint or docking combines between adjacent squared network for water draining, and junction
Band colligation can be passed through.Through above-mentioned squared network for water draining, it can be ensured that substrate seepage water is uniformly dredged, maintain water pressure stable
Meet design requirement.
Described waterproof layer 14 be disposed on basis negative 30 below non-reinforced concrete and drainage blanket 13 between, with in case
Native stone, foreign material seepage when only recording non-reinforced concrete block the flow channel of seepage water in drainage blanket 13.Waterproof layer 14
For complete impermeable stratum, utilize made by waterproof, non-perishable material, such as；Etc. PVC... impermeable material.In this practicality
In novel embodiment, it is to use the waterproof PE of high intensity not as waterproof layer 14.
Hereinafter, the Fig. 1 structure for decompression water feed apparatus 10 will be coordinated to illustrate.Described decompression water feed apparatus 10 groups
It is located in the basis water tank 31 above the negative 30 of basis.In embodiment of the present utility model, decompression water feed apparatus 10 includes:
At least one water inlet pipe 21, an at least non-return valve 22 and at least one outlet pipe 24.
Described water inlet pipe 21 connects with the filtration collector pipe 12 of described filtration captation 10.Described non-return valve 22 sets
It is placed in the passage of described water inlet pipe 21, in order to limit the flow direction of the seepage water in water inlet pipe 21, makes in described water inlet pipe 21
Seepage water is only capable of from the filtration collector pipe 12 direction one-way flow toward water inlet pipe 21 filtering captation 10.Consequently, it is possible to can
To prevent seepage water reverse backflow, to carry secretly in air entrance filtration collector pipe 12 and drainage blanket 13, thereby avoid two in air
Carbonoxide (CO2) with the mineral ion effect such as calcium ion Ca++, silicon ion Si++... in seepage water, and then produce such as carbonic acid
Calcium CaCO3, carbonic acid silicon SiCO3... wait mineral, cause filtering the structure foulings such as collector pipe 12, drainage blanket 13 and water inlet pipe 21
Block.
Described outlet pipe 24 is connected with described water inlet pipe 21.In embodiment of the present utility model, going out of outlet pipe 24
The mouth of a river is less than the water level face 311 of basis water tank 31, it is to avoid when seepage water flows out, the carbon dioxide (CO in air2) and seepage water
In mineral ion effect and produce mineral scale block outlet pipe 24 outlet.Additionally, can arrange at outlet pipe 24
Flow meter 241, in order to measure the seepage flow water yield, thereby observes and monitors the water level of subsoil water, hydraulic pressure in soil layer 40.
In embodiment of the present utility model, in decompression water feed apparatus 20, at least one row can be set in water inlet pipe 21 top
Air valve 23, the position of this air bleeding valve 23 is higher than the water level face 311 of basis water tank 31.Air bleeding valve 23 may be used for being collected into water pipe 21
Air that middle seepage water is carried under one's arms or gas also discharge it, and the most effectively reduce the air of seepage water or gas and reduce dioxy
Change carbon (CO2) with seepage water in mineral ion effect and produce mineral scale phenomenon.
In the specific implementation, the controlled valve 213 of the water inlet pipe 21 of decompression water feed apparatus 20 is for opening shape for this utility model
State.Below the negative 30 of basis, the underground percolation water system in soil layer 40 is collected by filtering captation 10, via engineering filter course 11
After filtering soil stone grain block, rubbish, detritus etc. physical property foreign material therein, flow in drainage blanket 13.Then, seepage water is by mistake
Filter collector pipe 12 is collected, and flows in the water inlet pipe 21 of decompression water feed apparatus 20 and by non-return valve 22.Air in seepage water, gas
Knowing from experience and upwards discharge via air bleeding valve 23, seepage water then continues to flow into outlet pipe 24, the outlet of outlet pipe 24 be thrown into
Basis water tank 31 in water level face 311 below, reach lower ground water pressure purpose, and increase basis water tank 31 gross weight,
Use balanced structure body weight power and buoyancy force of underground water.
The water level face 311 of basis water tank 31 is computed basis water tank 31 gross weight and sets, can be at basis water tank 31 side
If at least one delivery pipe 312, the height of this delivery pipe 312 is identical with designated water level face 311, by delivery pipe 312 by high water outlet
The water of plane 311 drains into the wastewater disposal basin of structure or releases.
Additionally, the buoyancy of the hydraulic pressure of underground percolation water and generation thereof often can change along with context, so the end, basis
Below version 30, the hydraulic pressure of the underground percolation water in soil layer 40 and buoyancy thereof also will not keep certain value, only hydraulic pressure and on
When buoyancy exceedes the gross weight marginal value of structure, just need to utilize decompression water feed apparatus 20 of the present utility model to carry out diminishing pressure
Action.
In another embodiment of the present utility model (being not shown), filter collector pipe 12 and engineering filter course 11
Between can be further provided with at least one second row water layer.Second row water layer can have the draining lattice identical with drainage blanket 13
The structure of net, thereby promotes the hydrophobic performance filtering captation further.
Hydrostatic pressing device under the negative of control basis of the present utility model, for traditional anti-floating pile technology, except
Have beyond the advantage of relatively casual labourer's phase, owing to eliminating anti-floating pile, therefore can need not use heavy-duty machinery construction, fortune spoir
Side and concrete, so indirectly reduce overall society with water, abandon fortune and pollute and CO2Discharge, and cause when reducing construction
Environmental pollution；Additionally, hydrostatic pressing device more can be with the safety of lift structure entirety under the negative of control basis of the present utility model
Property, ensure that substrate will not rupture because external water level variation, thus solve existing anti-floating pile technology year leakage maintaining
Problem and expense.
As seen from the above embodiment, under the control basis negative that this utility model is provided, hydrostatic pressing device is really had in industry
Value, only above narration is only preferred embodiment of the present utility model explanation, and those of ordinary skill in the art can
Making other all improvement according to above-mentioned explanation, only these changes still fall within the spiritual and bounded by of this utility model
The scope of the claims in.
Claims (7)
1. one kind controls hydrostatic pressing device under the negative of basis, it is characterised in that including:
At least one filters captation, is arranged at below the negative of basis and between soil layer, this filtration captation includes at least one
Engineering filter course, at least one filtration collector pipe, at least one drainage blanket and at least one waterproof layer, wherein, above layers depends on respectively
Sequence from bottom to top be set with is below the negative of basis and between soil layer；
At least one decompression water feed apparatus, is mounted on the basis water tank above the negative of basis, and this decompression water feed apparatus includes:
At least one water inlet pipe, connects with this filtration collector pipe of this filtration captation；
At least one non-return valve, is arranged in the passage of this water inlet pipe, and this non-return valve limits the flow direction of the seepage water in this water inlet pipe,
The seepage water in this water inlet pipe is made to be only capable of from this filtration collector pipe of this filtration captation toward the direction way flow of this water inlet pipe
Dynamic；And
At least one outlet pipe, is connected with this water inlet pipe；
Wherein, this drainage blanket in this filtration captation is a squared network for water draining, and this squared network for water draining is by arranged in parallel a plurality of
Netting twine and a plurality of connection rib arranged in parallel are formed, and described connection rib has an angle, institute relative to described netting twine
State connection rib to be arranged on described netting twine to connect and fixing described netting twine, and the one of the described connection rib of this squared network for water draining
Direction facing to this basis negative is put.
Hydrostatic pressing device under the negative of control basis the most according to claim 1, it is characterised in that in described connection rib
Each has up-narrow and down-wide trapezoidal section shape.
Hydrostatic pressing device under the negative of control basis the most according to claim 1 and 2, it is characterised in that this filtration collector pipe
And be further provided with at least one second row water layer between this engineering filter course, and this second row water layer has and this drainage blanket
Identical structure.
Hydrostatic pressing device under the negative of control basis the most according to claim 1, it is characterised in that this engineering filter course is one
Heat molten type adhesive-bonded fabric.
Hydrostatic pressing device under the negative of control basis the most according to claim 1, it is characterised in that outside this filtration collector pipe
Part is coated with an adhesive-bonded fabric.
Hydrostatic pressing device under the negative of control basis the most according to claim 1, it is characterised in that the thickness of this squared network for water draining
For 6.2mm, the spacing between the described connection rib of this squared network for water draining is between 11.0mm, and the described netting twine of this squared network for water draining
Spacing be 6.0mm.
Hydrostatic pressing device under the negative of control basis the most according to claim 1, it is characterised in that this waterproof layer is a PE
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407526.6U CN205742298U (en) | 2016-05-09 | 2016-05-09 | Control hydrostatic pressing device under the negative of basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407526.6U CN205742298U (en) | 2016-05-09 | 2016-05-09 | Control hydrostatic pressing device under the negative of basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205742298U true CN205742298U (en) | 2016-11-30 |
Family
ID=57370290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407526.6U Active CN205742298U (en) | 2016-05-09 | 2016-05-09 | Control hydrostatic pressing device under the negative of basis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205742298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193226A1 (en) * | 2016-05-09 | 2017-11-16 | 章致一 | Apparatus for controlling hydrostatic pressure under foundation base |
-
2016
- 2016-05-09 CN CN201620407526.6U patent/CN205742298U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193226A1 (en) * | 2016-05-09 | 2017-11-16 | 章致一 | Apparatus for controlling hydrostatic pressure under foundation base |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5810510A (en) | Underground drainage system | |
| CN200996153Y (en) | Water-pressure reducing structure of base board | |
| CN109208426A (en) | A kind of municipal road construction structure and its construction method | |
| CN112144584A (en) | Self-flowing drainage pressure-limiting anti-floating structure and construction method | |
| CN205776409U (en) | Control to exceed the quata in rock-soil layer pore water pressure device | |
| CN205742298U (en) | Control hydrostatic pressing device under the negative of basis | |
| WO2017193226A1 (en) | Apparatus for controlling hydrostatic pressure under foundation base | |
| CN206245444U (en) | Rainwater penetration system | |
| TW201311971A (en) | Strata structure maintenance and underground water recharge/storage device | |
| JP2802282B2 (en) | Rechargeable storage facility | |
| CN208887828U (en) | A kind of Novel underground room water pressure monitoring device | |
| KR100806259B1 (en) | The facility for rainwater storage | |
| RU2291932C1 (en) | Device for shore protection against erosion in the case of variable water level in water body | |
| CN206986649U (en) | A kind of garden landscape permeable pavement structure | |
| CN210712967U (en) | Impervious anti structure that floats of basement | |
| CN210482215U (en) | Anti-seepage drainage and exhaust structure suitable for flat reservoir basin | |
| CN206360052U (en) | Heat-extraction system is received in a kind of sponge type rain penetration | |
| TWM526592U (en) | Control foundation slab lower hydrostatic pressure device | |
| CN216405324U (en) | Flexible water drainage device controlled by floating body of check dam | |
| KR100799733B1 (en) | Stormwater storage system | |
| AU704302B2 (en) | Underground drainage system | |
| CN208917621U (en) | A kind of road permeable structure improving ponding | |
| JPH10168985A (en) | Structure for promoting infiltration of surface water | |
| CN109440864A (en) | A kind of sponge urban rainwater circulation infiltration storage structure | |
| WO2018006185A1 (en) | Device for controlling excess pore water pressure in rock and soil layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |