CN109252506A - The system and technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground - Google Patents
The system and technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground Download PDFInfo
- Publication number
- CN109252506A CN109252506A CN201810941719.3A CN201810941719A CN109252506A CN 109252506 A CN109252506 A CN 109252506A CN 201810941719 A CN201810941719 A CN 201810941719A CN 109252506 A CN109252506 A CN 109252506A
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- electroosmosis
- cultivation
- drain
- tideland
- mud
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- 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
- E02D3/11—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0053—Production methods using suction or vacuum techniques
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of systems of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground, including enclosing tideland for cultivation area, silt basin, vacuum pump and DC power supply, it encloses tideland for cultivation side in area it is characterized in that: described and is vertically equipped with the main sewer being controlled to a vacuum pump, the main sewer is equipped with multilayer transverse drain, area other side inner wall is enclosed tideland for cultivation in the transverse drain other end insertion, and transverse drain is equipped with multiple conductive plastics drain bars, the transverse drain of the top layer is equipped with electric osmose anode, the electroosmosis electrode of each layer of transverse drain setting down is opposite with the electroosmosis electrode that upper one layer of transverse drain is arranged, the electrode of the conductive plastics drain bar connects the electroosmosis electrode of corresponding transverse drain by conducting wire, the electroosmosis electrode of the transverse drain connects DC power supply by conducting wire.The system can Quick drainage, accelerate enclose tideland for cultivation rate, improve basement process efficiency.The invention also discloses a kind of techniques of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground.
Description
Technical field
The present invention relates to the systems and technique of a kind of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground.
Background technique
It is used as using dredging silt or industrial waste sludge and encloses tideland for cultivation the main facing challenges of packing material: most mining
Or the mud of dredging is all very soft, the intensity of these packing materials takes a long time to improve；Soil is carried out using weak soil
The difficulty that ground is opened up wasteland: main topsheet surface is too soft, and worker and machine can not carry out above reinforcement of soft soil work.Crucial technology
Challenge is how to form workbench, and natural drying is the method for most simple low price, however the time of required consuming is up to the several years.
Workbench is formed as main means, vacuum preloading and electric osmose row to enhance soil strength to the weak soil draining in hydraulic reclamation region
Water technology is common weak soil dewatering.To solve the problems, such as deep soft soil stabilization by drainage, there is scholar to propose vacuum preloading
Layering drains stage by stage: the first step first carries out discharging consolidation to 4-5 meters of shallow-layer or so with vacuum preloading, reaches after shallow-layer processing
Some strength is used as workbench and is carrying out the reinforcing of second step deep soil.This method for processing foundation is only in all fillings
Material hydraulic reclamation is complete and workbench has formed and just can be carried out reinforced soft soil ground later, and the disposed of in its entirety period is very long, soil
Development efficiency is lower.Electric osmose reinforcing soft soil drainage rates are very fast, and insensitive to the grain diameter of soft clay, have scholar into
The horizontally disposed up and down direction draining research of electrode plate of having gone, however for the deep pure electric osmose of soft clay horizontal electrode arrangement form
Reinforcing is not able to satisfy processing requirement.
Summary of the invention
In view of the deficiency of background technique, technical problem to be solved by the invention is to provide one kind can Quick drainage plus
The system of rate, the horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground for improving basement process efficiency is enclosed tideland for cultivation fastly.
For this purpose, the present invention is to adopt the following technical scheme that realize:
The system of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground, including enclose tideland for cultivation area, silt basin, vacuum pump and straight
Galvanic electricity source encloses tideland for cultivation side in area and is vertically equipped with the main sewer being controlled to a vacuum pump, on the main sewer it is characterized in that: described
Equipped with multilayer transverse drain, area other side inner wall is enclosed tideland for cultivation in the transverse drain other end insertion, and is set on transverse drain
There are multiple conductive plastics drain bars, the transverse drain of the top layer is equipped with electric osmose anode, each layer of transverse drainage down
Pipe setting electroosmosis electrode and upper one layer of transverse drain setting electroosmosis electrode on the contrary, the conductive plastics drain bar electrode
The electroosmosis electrode of corresponding transverse drain is connected by conducting wire, conductive plastics drain bar is equipped with interval rhone, respectively has one to lead
Line is wrapped at draining board ends, and conducting wire can be drained with conductive drain bar formation but also conductive entirety, the transverse direction
The electroosmosis electrode of drainpipe connects DC power supply by conducting wire.
The silt basin is equipped with more delivery pipes, the transverse drain described in the second layer below every layer of transverse drain
One delivery pipe is set, it is described to enclose tideland for cultivation one delivery pipe of setting in area.
The delivery pipe is equipped with valve.
Equipped with coating, the coating includes the geomembrane for being successively bonded setting from top to bottom, soil in the area that encloses tideland for cultivation
Work cloth and woven cloth.
This system has the advantage that 1, can open vacuum when mud will cover bottom conductive plastics drain bar
Pump carries out vacuum preloading and draws water, and drains and fills out mud while carrying out, greatly shortens entire project duration；2, each layer of conductive plastics
Drain bar can drain under vacuum action, arrange electric osmose anode region soil body moisture to electric osmose yin under DC electric field effect
Polar region domain is discharged by vacuum preloading；3, a kind of material of conductive plastics drain bar used in this system meets vacuum preloading, electricity simultaneously
Two methods requirement is seeped, while can also prevent the electric draining plate as electric osmose anode from corroding, anode electrode is saved, makees electric osmose
With the persistently longer time；4, it is about 20 meters that drain bar, which vertically sets and is capable of handling depth, because vacuum degree along depth transmit and by
Damage problem deep soil treatment effect is bad, and conductive plastics drain bar level is laid with and this defect is then not present, and handles depth
It is unrestricted；5, the soil body following for top layer, can make full use of the upper layer soil body be self-possessed, be equivalent to the soil body be in vacuum preloading,
Electric osmose, preloading triple combination act on lower stabilization by drainage, are conducive to further enhance discharging consolidation efficiency.
The present invention also provides a kind of technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground, features
It is, comprising the following steps:
Step 1: opening all valves send delivery pipe to enclosing tideland for cultivation in area mud, and bottom packed height is opened when reaching 1-1.5 meters
Begin be laid with the typesetting of bottom electric plastic, horizontal direction spacing be 2-3 meters (sphere of action of reference vacuum precompressed and electric osmose) to
Mud can open vacuum pump progress vacuum preloading and draw water when will cover bottom conductive plastics drain bar, vacuumize and fill out silt
Mud carries out simultaneously；
Step 2: start to be laid with next layer of conductive plastics drain bar at hydraulic reclamation 2-3 meters on bottom drain bar, repeat step 1
When mud is filled to elevation location, all valves are closed, are then laid with woven cloth, geotextiles and braiding from top to bottom on mud
Cloth carries out the processing of vacuum preloading face seal；
Step 3: it opens DC power supply progress electric osmose combined vacuum precompressed and is drained；
Step 4: after suitable quantity of water is discharged in mud and when mud does not consolidate also, the valve of delivery pipe below transverse drain can be opened
Door continues to fill out mud in area to enclosing tideland for cultivation, makes to enclose tideland for cultivation the mud in area and be maintained within the scope of elevation line, until silt consolidation.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is the structural schematic diagram of the system of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground in the present invention；
Fig. 2 is the top view of conductive plastics drain bar in the present invention.
Specific embodiment
Referring to shown in above-mentioned attached drawing, horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground provided by the invention
System includes enclosing tideland for cultivation area 1, silt basin 2, vacuum pump 3 and DC power supply 4, encloses tideland for cultivation side in area 1 and is vertically equipped with and connect with vacuum pump 3
Main sewer 5, main sewer 5 be equipped with multilayer transverse drain 6,6 other end of transverse drain insertion enclose tideland for cultivation 1 other side of area
Inner wall, and transverse drain 6 is equipped with multiple conductive plastics drain bars 7, the transverse drain 6 of top layer is equipped with electric osmose anode 8,
The electroosmosis electrode that the electroosmosis electrode of each layer of transverse drain 6 setting down is arranged with upper one layer of transverse drain 6 is on the contrary, lead
The electrode 15 of electric plastic draining board 7 connects the electroosmosis electrode of corresponding transverse drain 6 by conducting wire, and conductive plastics drain bar 7 is set
There is interval rhone, respectively has a wrapped in wire at 6 both ends of conductive drain bar, conducting wire and conductive drain bar 6 are formed both
Entirety that again can be conductive can be drained, the electroosmosis electrode of transverse drain 6 connects DC power supply 4 by conducting wire, and silt basin 2 is equipped with more
A delivery pipe 9 is arranged since second layer transverse drain 6, encloses tideland for cultivation in area 1 and sets for root delivery pipe 9 below every layer of transverse drain 6
A delivery pipe 9 is set, delivery pipe 9 is equipped with valve 10, encloses tideland for cultivation area 1 equipped with coating, coating includes successively pasting from top to bottom
Close geomembrane 11, geotextiles 12 and the woven cloth 13 of setting.
In the present embodiment, vacuum pump 3 can be opened when mud will cover bottom conductive plastics drain bar 7 to carry out
Vacuum preloading draws water, and drains and fills out mud while carrying out, greatly shortens entire project duration；Each layer of conductive plastics drain bar 7
It can drain under vacuum action, arrange 8 region soil body moisture of electric osmose anode to electric osmose cathode 14 under DC electric field effect
Region is discharged by vacuum preloading；A kind of material of conductive plastics drain bar 7 used in this system meets vacuum preloading, electric osmose two simultaneously
Kind method requirement, while can also prevent the conductive plastics drain bar 7 as electric osmose anode from corroding, anode electrode is saved, electric osmose is made
The effect lasts longer time；It is about 20 meters that drain bar, which vertically sets and is capable of handling depth, because vacuum degree along depth transmit and by
Damage problem deep soil treatment effect is bad, and this defect is then not present in horizontal be laid with of conductive plastics drain bar 7, handles depth
It is unrestricted；The soil body following for top layer can make full use of the upper layer soil body to be self-possessed, be equivalent to the soil body and be in vacuum preloading, electricity
It seeps, the lower stabilization by drainage of preloading triple combination effect, is conducive to further enhance discharging consolidation efficiency.
The present invention also provides a kind of technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground, features
It is, comprising the following steps:
Step 1: opening all valves 10 send delivery pipe 9 to enclosing tideland for cultivation in area 1 mud, will cover the bottom to mud and lead
The progress vacuum preloading of vacuum pump 3 can be opened when electric plastic draining board 7 to draw water, and vacuumized and filled out mud while carrying out；
Step 2: when mud is filled to elevation location, all valves 10 is closed, are then laid with woven cloth from top to bottom on mud
11, geotextiles 12 and woven cloth 13 carry out the processing of vacuum preloading face seal；
Step 3: it opens the progress electric osmose combined vacuum precompressed of DC power supply 4 and is drained；
Step 4: after suitable quantity of water is discharged in mud and when mud does not also complete consolidation, 6 lower section delivery pipe of transverse drain can be opened
9 valve 10 continues to fill out mud to enclosing tideland for cultivation in area 1, makes to enclose tideland for cultivation in area 1 mud and is maintained within the scope of elevation line, until mud
Complete consolidation.
Claims (5)
1. the system of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground, including enclose tideland for cultivation area, silt basin, vacuum pump and
DC power supply encloses tideland for cultivation side in area and is vertically equipped with the main sewer being controlled to a vacuum pump, the main sewer it is characterized in that: described
It is equipped with multilayer transverse drain, area other side inner wall is enclosed tideland for cultivation in the transverse drain other end insertion, and on transverse drain
Equipped with multiple conductive plastics drain bars, the transverse drain of the top layer is equipped with electric osmose anode, and each layer down is laterally arranged
Water pipe setting electroosmosis electrode and upper one layer of transverse drain setting electroosmosis electrode on the contrary, the conductive plastics drain bar electricity
Pole connects the electroosmosis electrode of corresponding transverse drain by conducting wire, and conductive plastics drain bar is equipped with interval rhone, respectively there is one
Wrapped in wire is at draining board ends, and conducting wire can be drained with conductive drain bar formation but also conductive entirety, the cross
DC power supply is connected by conducting wire to the electroosmosis electrode of drainpipe.
2. the system of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground according to claim 1, feature
Be: the silt basin is equipped with more delivery pipes, setting below every layer of transverse drain the transverse drain described in the second layer
One delivery pipe, it is described to enclose tideland for cultivation one delivery pipe of setting in area.
3. the system of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground according to claim 2, feature
Be: the delivery pipe is equipped with valve.
4. the system of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground according to claim 1 or 2, special
Sign is: equipped with coating, the coating includes the geomembrane for being successively bonded setting from top to bottom, geotextiles in the area that encloses tideland for cultivation
And woven cloth.
5. the technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground, characterized in that the following steps are included:
Step 1: opening all valves send delivery pipe to enclosing tideland for cultivation in area mud, will cover the modeling of bottom conduction to mud
Vacuum pump progress vacuum preloading can be opened by expecting when drain bar draws water, and vacuumizes and fills out mud while carrying out；
Step 2: when mud is filled to elevation location, closing all valves, be then laid with from top to bottom on mud woven cloth,
Geotextiles and woven cloth carry out the processing of vacuum preloading face seal；
Step 3: it opens DC power supply progress electric osmose combined vacuum precompressed and is drained；
Step 4: after suitable quantity of water is discharged in mud and when consolidation has not been completed in mud, conveying below transverse drain can be opened
The valve of pipe continues to fill out mud in area to enclosing tideland for cultivation, makes to enclose tideland for cultivation the mud in area and be maintained within the scope of elevation line, until mud is completed
Consolidation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810941719.3A CN109252506A (en) | 2018-08-17 | 2018-08-17 | The system and technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810941719.3A CN109252506A (en) | 2018-08-17 | 2018-08-17 | The system and technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground |
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| CN201810941719.3A Pending CN109252506A (en) | 2018-08-17 | 2018-08-17 | The system and technique of horizontal drainage vacuum preloading combined with electroosmosis reinforcing soft ground |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985007A (en) * | 2019-12-31 | 2020-04-10 | 杭州敦固建筑特种工程有限公司 | Construction process of subway communication channel |
| WO2020192279A1 (en) * | 2019-10-13 | 2020-10-01 | 南通大学 | Electro-osmosis strengthening method used for reinforcing soft clay foundations |
| CN111794258A (en) * | 2020-07-24 | 2020-10-20 | 温州泰乐维工程设计有限公司 | Foundation pit dewatering system |
| CN111809605A (en) * | 2020-04-14 | 2020-10-23 | 温州市铁路与轨道交通投资集团有限公司 | Horizontal drainage plate-vacuum preloading combined electroosmosis system and sludge treatment method thereof |
| CN113666607A (en) * | 2021-07-14 | 2021-11-19 | 中交天津航道局有限公司 | Construction process for applying dredged sediment to construction of coastal ecological zone |
| US20220178101A1 (en) * | 2020-12-03 | 2022-06-09 | Zhejiang University | Sludge three-dimensional electroosmosis drainage reinforcement method based on electric geotextile complex |
| CN114922159A (en) * | 2022-06-09 | 2022-08-19 | 武汉工程大学 | Electroosmosis and vacuum preloading sludge solidifying device and method with horizontally arranged electrodes |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020192279A1 (en) * | 2019-10-13 | 2020-10-01 | 南通大学 | Electro-osmosis strengthening method used for reinforcing soft clay foundations |
| CN110985007A (en) * | 2019-12-31 | 2020-04-10 | 杭州敦固建筑特种工程有限公司 | Construction process of subway communication channel |
| CN111809605A (en) * | 2020-04-14 | 2020-10-23 | 温州市铁路与轨道交通投资集团有限公司 | Horizontal drainage plate-vacuum preloading combined electroosmosis system and sludge treatment method thereof |
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| CN111794258A (en) * | 2020-07-24 | 2020-10-20 | 温州泰乐维工程设计有限公司 | Foundation pit dewatering system |
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| US20220178101A1 (en) * | 2020-12-03 | 2022-06-09 | Zhejiang University | Sludge three-dimensional electroosmosis drainage reinforcement method based on electric geotextile complex |
| US11619020B2 (en) * | 2020-12-03 | 2023-04-04 | Zhejiang University | Sludge three-dimensional electroosmosis drainage reinforcement method based on electric geotextile complex |
| CN113666607A (en) * | 2021-07-14 | 2021-11-19 | 中交天津航道局有限公司 | Construction process for applying dredged sediment to construction of coastal ecological zone |
| CN114922159A (en) * | 2022-06-09 | 2022-08-19 | 武汉工程大学 | Electroosmosis and vacuum preloading sludge solidifying device and method with horizontally arranged electrodes |
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Application publication date: 20190122 |