CN107806083A - A kind of reinforced soft soil ground handles forced-ventilated water installations of catchmenting - Google Patents
A kind of reinforced soft soil ground handles forced-ventilated water installations of catchmenting Download PDFInfo
- Publication number
- CN107806083A CN107806083A CN201710867112.0A CN201710867112A CN107806083A CN 107806083 A CN107806083 A CN 107806083A CN 201710867112 A CN201710867112 A CN 201710867112A CN 107806083 A CN107806083 A CN 107806083A
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- China
- Prior art keywords
- collector pipe
- permeable
- soft soil
- catchmenting
- forced
- Prior art date
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002689 soil Substances 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 239000012528 membrane Substances 0.000 claims description 4
- 238000007596 consolidation process Methods 0.000 abstract description 12
- 239000011148 porous material Substances 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Abstract
The invention discloses a kind of reinforced soft soil ground to handle forced-ventilated water installations of catchmenting,Including permeable chimney filter,Collector pipe and the cylinder that catchments,Collector pipe bottom is provided with check valve,The tube cavity that catchments is provided with separator,It is pressurized tracheae bottom collector pipe intracavity inter-connection,Supercharging tracheae top is stretched out to be connected with booster pump,Collector pipe top is connected with the drainpipe of stretching,Catchment tube cavity and around between weak soil under the effect of water pressure difference,Weak soil pore water enters in toroidal cavity through permeable chimney filter and entered through check valve in collector pipe,When water level is higher so that when water pressure subtractive is small in collector pipe,It is pressurized pump work,Through being pressurized tracheae to tube cavity lower part supercharging of catchmenting,So that separator moves up,The extruded drainpipe of water being collected in tube cavity upper part of catchmenting is discharged,So as to reduce water level in collector pipe,It is poor that water pressure is formed again,So repeat,Form pulse-type drainage,Reach the effect of soft soil foundation from top to bottom quick-discharging consolidation.
Description
Technical field
The present invention relates to reinforced soft soil ground field of engineering technology, more particularly to a kind of reinforced soft soil ground processing is catchmented strong
Drainage arrangement.
Background technology
Reinforced soft soil ground is generally all to use prepressing water discharge consolidation method, prepressing water discharge consolidation method master in the prior art
There are two methods of vacuum preloading and piling prepressing, highway on soft ground is carried out when the methods of use vacuum preloading or piling prepressing
When, vertical sand drain or drain bar are typically set in soft soil foundation as drainage channel, in heap material containing gravity load or vacuum lotus
Carry and discharging consolidation occurs under precompressed so that soft soil foundation pore water is discharged by drainage channel, and pore water pressure is slowly
Dissipate, effective stress slowly increases, and foundation strength gradually increases, and the ground consolidation settling amount overwhelming majority is disappeared within the construction time
Remove, so that the bearing capacity of soft soil foundation is improved, reduce settlement after construction.
But piling prepressing consolidation or during vacuum preconsolidation, the generation of stress difference and transmitted very slow in weak soil, it is difficult to
The rapid soft soil consolidation for realizing lower floor.Cause the problems such as long in time limit, cost is high, settlement after construction amplitude is big.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of achievable quick-discharging consolidation, reduce the soft of construction period
Native stiffening basic ground catchments forced-ventilated water installations.
Technical scheme used by solve above-mentioned technical problem：A kind of reinforced soft soil ground handles the forced-ventilated water dress that catchments
Put, including insertion reaches the permeable chimney filter of pending soft soil foundation and the collector pipe being sleeved in permeable chimney filter, the permeable filter
Toroidal cavity be present between pipe and collector pipe, the permeable chimney filter bottom is connected with the cylinder that catchments, and the collector pipe bottom is provided with
Check valve simultaneously has preset distance with cylinder bottom of catchmenting, and the tube cavity that catchments is provided with to be separated into the tube cavity that will catchment
Under two-part separator, minim gap be present between the separator and the inside pipe wall that catchments, positioned at the permeable chimney filter peripheral hardware
There is the supercharging tracheae that bottom is connected with tube cavity lower part of catchmenting, the supercharging tracheae top is stretched out to be connected with booster pump, institute
State the drainpipe that collector pipe top is connected with stretching.
Further, the tube cavity that catchments be provided with support hold separator bracket so that separator and check valve it
Between there is preset distance.
Further, the height catchmented residing for cylinder top is higher than the height residing for collector pipe bottom.
Further, the permeable chimney filter tube wall array distribution has permeable duct and is coated with permeable filter membrane.
Further, the collector pipe top is stretched out and is connected with vavuum pump.
Beneficial effect：The processing of this reinforced soft soil ground is catchmented in forced-ventilated water installations, and permeable chimney filter and collector pipe squeeze into weak soil
After ground, due to poor, the weak soil pore water that water pressure be present of catchmenting between tube cavity and surrounding weak soil, acted in water pressure difference
Under, enter through permeable chimney filter in toroidal cavity and enter through check valve in collector pipe, when water level is higher so that water in collector pipe
When pressure differential reduces, pump work being pressurized, through being pressurized tracheae to tube cavity lower part supercharging of catchmenting so that separator moves up,
The extruded drainpipe of the water for being collected at the tube cavity that catchments is discharged, reduces water level in collector pipe, so as to again in collector pipe
It is poor that water pressure is formed between inner chamber and surrounding weak soil so that seepage flow enters in collector pipe pore water from weak soil again, so weight
It is multiple, pulse-type drainage is formed, reaches the effect of soft soil foundation from top to bottom quick-discharging consolidation.
Brief description of the drawings
The present invention is described further with reference to the accompanying drawings and examples；
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment of the present invention.
Embodiment
Reference picture 1, a kind of reinforced soft soil ground of the present invention handle forced-ventilated water installations of catchmenting, including insertion reaches pending soft
The permeable chimney filter 10 of soil base and the collector pipe 20 being sleeved in permeable chimney filter 10, wherein, permeable chimney filter 10 is by rigid tubing structure
Into array distribution has permeable duct and coats permeable filter membrane in outer wall on tube wall, exists between permeable chimney filter 10 and collector pipe 20
Toroidal cavity 11, the pore water in soft soil foundation, which can pass through permeable filter membrane and penetrate into, flow into toroidal cavity 11, permeable chimney filter 10
Bottom is connected with the cylinder 30 that catchments, and the bottom wall of cylinder 30 and the side wall of catchmenting are that closing is fluid-tight, catchment cylinder 30 and permeable filter
Pipe 10 can be molded as one；Certainly, the diameter of permeable chimney filter 10 can be designed to the diameter for being less than the cylinder 30 that catchments, permeable filter
The insertion of the bottom of pipe 10 is placed in and catchmented in cylinder 30, and there is the permeable bottom sidewall of chimney filter 10 permeable slotted eye to enable current radial flow
Dynamic, the bottom of collector pipe 20 is provided with check valve 21 and has preset distance with the bottom of cylinder 30 of catchmenting, and check valve 21 causes water or gas
It can only enter from bottom to top in the inner chamber of collector pipe 20, and be unable to reverse flow, penetrate into the water flowed into toroidal cavity 11 and converge in
Catchment in cylinder 30, enter through check valve 21 in collector pipe 20.Wherein, the height catchmented residing for the top of cylinder 30 is higher than collector pipe
Height residing for 20 bottoms, i.e., the height residing for higher than check valve 21.
The inner chamber of collector pipe 20 is provided with the separator 22 that can be moved up and down, and exists between separator 22 and the inwall of collector pipe 20
Minim gap, not it is tightly connected, the inner chamber of collector pipe 20 is separated into two parts up and down by separator 22, positioned at permeable chimney filter 10
The supercharging tracheae 23 that bottom is connected with the inner chamber lower part of collector pipe 20 is externally provided with, supercharging tracheae 23 bottom sequentially passes through permeable filter
Pipe 10, the cylinder 30 that catchments are tightly connected with collector pipe 20, and link position is between separator 22 and check valve 21, as excellent
Choosing, the inner chamber of collector pipe 20 are provided with support and hold the bracket (not shown) of separator, bracket can make separator 22 and check valve 21 it
Between there is preset distance.Supercharging tracheae 23 top is stretched out to be connected with the booster pump (not shown) of outside, is pressurized pump work, is pressurized gas
Inner chamber lower part supercharging of the supercharging tracheae 23 to collector pipe 20 is flowed through, under pressurized air stream effect, driving separator 22 is to moving up
It is dynamic, although minim gap be present between separator 22 and the inwall of collector pipe 20, due to the gap very little of minim gap, increase in moment
Under pressure effect, pressurized air stream all can not flow out through minim gap, and pressurized air stream remains to drive separator 22 to move up.
The top of collector pipe 20 is connected with outwardly directed drainpipe 24, when the water level in collector pipe 20 is higher, separator
22 move up, and can extrude and promote the water positioned at the inner chamber upper part of collector pipe 20 to be discharged through drainpipe 24.
The specific work process that reinforced soft soil ground of the present invention handles forced-ventilated water installations of catchmenting is as follows：When the permeable He of chimney filter 10
After collector pipe 20 squeezes into soft soil foundation, because water, meeting between the inner chamber of collector pipe 20 and surrounding weak soil is not present in the inner chamber of collector pipe 20
It is poor to produce powerful water pressure, in the presence of water pressure difference, pore water can be through entering toroidal cavity 11 through permeable chimney filter 10
It is interior, then flow direction is catchmented in cylinder 30 from the top down, pore water converges in the cylinder 30 that catchments, and water level constantly rises, then through list
Enter collector pipe 20 inner chamber to valve 21, when the water level in collector pipe 20 is gradually increasing so that when water pressure subtractive is small, booster pump work
Make, through being pressurized inner chamber lower part supercharging of the tracheae 23 to collector pipe 20 so that separator 22 moves up, so as to by collector pipe 20
The water of inner chamber discharges through drainpipe 24, reduce collector pipe 20 in water level, again the inner chamber of collector pipe 20 and around weak soil
Between formed water pressure it is poor so that pore water again from weak soil seepage flow enter collector pipe 20 in, so repeat, formed pulsed
Draining, the water gathered in collector pipe 20 is constantly discharged, reach the effect of soft soil foundation from top to bottom quick-discharging consolidation.
Reference picture 2, certainly, forced-ventilated water installations are catchmented in reinforced soft soil ground processing of the present invention can also be with vacuum preloading draining
Consolidation system is used cooperatively, and specifically, the top of collector pipe 20 is connected with vacuum tube, the vavuum pump (not shown) phase with outside
Even, during vacuum pump work, negative pressure can be produced in the inner chamber of collector pipe 20 so that the pore water in soft soil foundation is poor and negative in water pressure
Under the double action of pressure, it is discharged rapidly towards in collector pipe 20, shortens the time that pore water seepage flow enters collector pipe 20, it is whole so as to shorten
Individual discharging consolidation construction period, improve efficiency of construction.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the invention is not restricted to above-mentioned embodiment party
Formula, can also be before present inventive concept not be departed from the technical field those of ordinary skill possessed knowledge
Put that various changes can be made.
Claims (5)
- The forced-ventilated water installations 1. a kind of reinforced soft soil ground processing is catchmented, it is characterised in that：Including inserting with reaching pending weak soil , toroidal cavity be present between the permeable chimney filter and collector pipe in the permeable chimney filter of base and the collector pipe being sleeved in permeable chimney filter, The permeable chimney filter bottom is connected with the cylinder that catchments, and the collector pipe bottom is provided with check valve and had with cylinder bottom of catchmenting pre- Set a distance, the tube cavity that catchments is provided with is separated into two-part separator up and down, the separator to the tube cavity that will catchment Minim gap be present between the inside pipe wall that catchments, be externally provided with bottom positioned at the permeable chimney filter is connected with tube cavity lower part of catchmenting Logical supercharging tracheae, the supercharging tracheae top is stretched out to be connected with booster pump, and the collector pipe top is connected with the draining of stretching Pipe.
- The forced-ventilated water installations 2. reinforced soft soil ground processing according to claim 1 is catchmented, it is characterised in that：Catchmented described Tube cavity is provided with support and holds the bracket of separator so as to have preset distance between separator and check valve.
- The forced-ventilated water installations 3. reinforced soft soil ground processing according to claim 1 is catchmented, it is characterised in that：The Water collecting tube Height residing for body top is higher than the height residing for collector pipe bottom.
- The forced-ventilated water installations 4. reinforced soft soil ground processing according to claim 1 is catchmented, it is characterised in that：The permeable filter Tube wall array distribution has permeable duct and is coated with permeable filter membrane.
- The forced-ventilated water installations 5. reinforced soft soil ground processing according to claim 1 is catchmented, it is characterised in that：The collector pipe Top is stretched out to be connected with vavuum pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867112.0A CN107806083B (en) | 2017-09-22 | Soft soil foundation reinforcement treatment water collection strong drainage device | |
| PCT/CN2017/107911 WO2019056473A1 (en) | 2017-09-22 | 2017-10-27 | Enhanced catchment drainage device for soft soil foundation reinforcement treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867112.0A CN107806083B (en) | 2017-09-22 | Soft soil foundation reinforcement treatment water collection strong drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107806083A true CN107806083A (en) | 2018-03-16 |
| CN107806083B CN107806083B (en) | 2024-05-14 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002242170A (en) * | 2001-02-16 | 2002-08-28 | Hazama Gumi Ltd | Foundation improvement work by vacuum consolidation |
| CN1865601A (en) * | 2005-05-16 | 2006-11-22 | 胡鸣群 | Compact consolidation drainage method for soft ground and collector well pipe therefor |
| CN200964580Y (en) * | 2006-10-31 | 2007-10-24 | 韩凤来 | Plugging-proof checking type water drainer |
| CN101082216A (en) * | 2007-07-13 | 2007-12-05 | 柳自道 | Soft soil foundation pipe-embedded vacuum drainage method |
| KR20110026550A (en) * | 2009-09-08 | 2011-03-16 | 지에스건설 주식회사 | Two-way suction drain consolidation method for porewater drainage of soft ground |
| CN102116022A (en) * | 2011-01-13 | 2011-07-06 | 中港基业（北京）岩土技术有限公司 | Method for treating soft foundation through overpressure vacuum densification |
| CN103243703A (en) * | 2013-04-18 | 2013-08-14 | 浙江大学宁波理工学院 | Soft soil consolidation processing method by utilizing hard hollow tubes with pores reserved on side walls |
| CN104532825A (en) * | 2015-01-02 | 2015-04-22 | 韩少鹏 | Rapid soft foundation solidification device and construction method thereof |
| CN104652413A (en) * | 2015-01-05 | 2015-05-27 | 王军 | Novel beach sludge roadbed treatment method |
| CN104652412A (en) * | 2015-01-05 | 2015-05-27 | 王军 | Method for treating soft soil foundation through deep compound vacuum pre-compaction |
| CN106555394A (en) * | 2017-01-12 | 2017-04-05 | 广西大学 | A kind of excessively moist ultra-soft soil drainage arrangement of artificial hydraulic reclamation |
| CN206214845U (en) * | 2016-09-30 | 2017-06-06 | 山东新思维环保工程有限公司 | One kind is catchmented chimney filter |
| CN207376608U (en) * | 2017-09-22 | 2018-05-18 | 广州市盛洲地基基础工程有限公司 | A kind of reinforced soft soil ground handles forced-ventilated water installations of catchmenting |
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002242170A (en) * | 2001-02-16 | 2002-08-28 | Hazama Gumi Ltd | Foundation improvement work by vacuum consolidation |
| CN1865601A (en) * | 2005-05-16 | 2006-11-22 | 胡鸣群 | Compact consolidation drainage method for soft ground and collector well pipe therefor |
| CN200964580Y (en) * | 2006-10-31 | 2007-10-24 | 韩凤来 | Plugging-proof checking type water drainer |
| CN101082216A (en) * | 2007-07-13 | 2007-12-05 | 柳自道 | Soft soil foundation pipe-embedded vacuum drainage method |
| KR20110026550A (en) * | 2009-09-08 | 2011-03-16 | 지에스건설 주식회사 | Two-way suction drain consolidation method for porewater drainage of soft ground |
| CN102116022A (en) * | 2011-01-13 | 2011-07-06 | 中港基业（北京）岩土技术有限公司 | Method for treating soft foundation through overpressure vacuum densification |
| CN103243703A (en) * | 2013-04-18 | 2013-08-14 | 浙江大学宁波理工学院 | Soft soil consolidation processing method by utilizing hard hollow tubes with pores reserved on side walls |
| CN104532825A (en) * | 2015-01-02 | 2015-04-22 | 韩少鹏 | Rapid soft foundation solidification device and construction method thereof |
| CN104652413A (en) * | 2015-01-05 | 2015-05-27 | 王军 | Novel beach sludge roadbed treatment method |
| CN104652412A (en) * | 2015-01-05 | 2015-05-27 | 王军 | Method for treating soft soil foundation through deep compound vacuum pre-compaction |
| CN206214845U (en) * | 2016-09-30 | 2017-06-06 | 山东新思维环保工程有限公司 | One kind is catchmented chimney filter |
| CN106555394A (en) * | 2017-01-12 | 2017-04-05 | 广西大学 | A kind of excessively moist ultra-soft soil drainage arrangement of artificial hydraulic reclamation |
| CN207376608U (en) * | 2017-09-22 | 2018-05-18 | 广州市盛洲地基基础工程有限公司 | A kind of reinforced soft soil ground handles forced-ventilated water installations of catchmenting |
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| Publication number | Publication date |
|---|---|
| WO2019056473A1 (en) | 2019-03-28 |
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