CN101430316A - Electroosmosis-load combined consolidometer - Google Patents
Electroosmosis-load combined consolidometer Download PDFInfo
- Publication number
- CN101430316A CN101430316A CNA2008101633152A CN200810163315A CN101430316A CN 101430316 A CN101430316 A CN 101430316A CN A2008101633152 A CNA2008101633152 A CN A2008101633152A CN 200810163315 A CN200810163315 A CN 200810163315A CN 101430316 A CN101430316 A CN 101430316A
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- Prior art keywords
- electroosmosis
- cylindrical chamber
- electric osmose
- lever
- loading cap
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- 239000002689 soil Substances 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000007596 consolidation process Methods 0.000 abstract description 8
- 238000005370 electroosmosis Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000011148 porous material Substances 0.000 abstract description 7
- 239000004927 clay Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses an electroosmosis-load combined consolidometer. An electroosmosis cathode is positioned at a central shaft of a cylinder container which is made of an insulant ,and an electroosmosis anode is arranged to cling to four walls of the cylinder container; a piston type loading cap is arranged at the top of the cylinder container; the center of the soleplate of the cylinder container is provided with a drain hole; the electroosmosis cathode and the electroosmosis anode are respectively connected with the anode and the cathode of a regulated DC power supply which supply voltage; and the loading cap is connected with a lever system which supplies mechanical pressure. The drain hole is connected with a graduated cylinder by a hose to measure the volume of water discharged from soil consolidation; a clock gauge is arranged on the loading cap to measure soil settlement; an exploring tube for measuring voltage distribution and a pore pressure sensor for measuring pressure of water in a pore are arranged in a proper depth of the soil through a pore on the loading cap according to a fixed interval; and the exploring tube and the pore pressure sensor are respectively used for measuring the potential distribution in radial direction of the soil and the pressure of the water in the pore. The invention is mainly applied in electroosmosis-load consolidation test of soft clay, dredged soil, mucky soil, etc.
Description
Technical field
The present invention relates to a kind of test unit, especially relate to a kind of electroosmosis-load combined consolidometer.
Background technology
The drainage by electroosmosis method can overcome conventional water discharge method (as well-point method and preloading method) initial stage effect obviously but the later stage drainage speed is slow, the unfavorable shortcoming of consolidation effect when handling weak soil and mud.So on the engineering load modes such as electric osmose and vacuum preloading, low-energy strong-ramming are combined use in recent years, obtained than simple electric osmose or loaded better effect merely.But the main experience by the technician of the design of present this united drainage reinforcement means and construction is that its mechanism of action and proterties imperfectly understand because method is newer on the one hand; Be to lack designing and calculating parameter accurately on the other hand.Existing indoor consolidometer only can be considered the effect that loads, can not measure parameter when fixed and load symphyogenetic test unit at electric osmose or electric osmose.
Summary of the invention
The object of the present invention is to provide a kind of electroosmosis-load combined consolidometer, can carry out electric osmose simultaneously and load the fixed laboratory testing rig of united drainage the soil body, it can realize that the associating of electric osmose and loading is fixed, can realize that also simple consolidation by electroosmosis or simple loading are fixed, can also measure the parameters in the consolidation process.
The technical solution used in the present invention is:
At the cylindrical chamber axis place of placing soil sample the electric osmose negative electrode is set, the inwall place of cylindrical chamber is provided with the electric osmose anode, the top of cylindrical chamber is provided with the piston type loading cap, be covered with the insulation division board under the piston type loading cap, the top-loaded bar is installed on the loading cap, the bottom centre of cylindrical chamber has osculum, connect graduated cylinder through scupper hose, cylindrical chamber is placed on the instrument table, fixedly connected with the two ends of top-loaded bar in the upper end that is arranged on two outer montants of cylindrical chamber, fixedly connected with the two ends of bottom-loaded bar in the lower end of two montants, bottom-loaded bar and lever are rotationally connected, the clock gauge contact withstands on the top-loaded bar, the upper end of lever fixed bar is fixed on the instrument table bottom surface, the lower end of lever fixed bar is rotationally connected through lever set bolt and lever, one end of lever is provided with counterpoise, the other end of lever is provided with the loading counterweight through the counterweight hook, being connected the hole presses 3 above hole pressure sensor gauge heads of display to insert the soil sample from loading cap, one end of 3 above chaining pins inserts the soil sample from loading cap, the other end of 3 above chaining pins is connected with the digital display multimeter through telegraph key, constant voltage dc source and electric osmose negative electrode, electric osmose anode and digital display multimeter are electrically connected.
Described electric osmose negative electrode is the complex pipe that has trap drainage and conducting function concurrently; The electric osmose anode is the sheet metal or the wire netting of ring-type.
Described cylindrical chamber material is that insulating material is made; Electric osmose negative electrode, electric osmose anode, cylindrical chamber and loading cap coaxial arrangement.
The beneficial effect that the present invention has is:
1, can provide electric osmose-loading synergy, three kinds of different test conditions of electroosmosis and loading effect.
2, the negative electrode of center arrangement can rely on the water amount discharge container that gravity flows out soil sample, equipment such as needing no vacuum pump.
3, parameters in the soil sample consolidation process be can measure, sedimentation, pore water pressure, drainage water volume, voltage and current mainly contained
The present invention is mainly used in the shop experiment research of soft clay, dredging soil, muck soil etc.
Description of drawings
Accompanying drawing is the synoptic diagram of apparatus of the present invention.
Among the figure: 1, the electric osmose negative electrode, 2, the electric osmose anode, 3, cylindrical chamber, 4, the insulation division board, 5, loading cap, 6, the top-loaded bar, 7, montant, 8, the lever fixed bar, 9, counterpoise, 10, lever, 11, the bottom-loaded bar, 12, the lever set bolt, 13, the counterweight hook, 14, load counterweight, 15, clock gauge, 16, the clock gauge fixed transverse rod, 17, clock gauge is montant fixedly, and 18, hole pressure sensor gauge head, 19, hole pressure sensor cable, 20, display, 21 are pressed in the hole, chaining pin, 22, telegraph key, 23, electric wire, 24, the digital display multimeter, 25, constant voltage dc source, 26, scupper hose, 27, graduated cylinder, 28, instrument table.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
As shown in drawings, the present invention vertically is provided with electric osmose negative electrode 1 at the cylindrical chamber 3 axis places of placing soil sample, and the inwall of being close to cylindrical chamber 3 is provided with electric osmose anode 2.The top of cylindrical chamber 3 is provided with piston type loading cap 5, and loading cap is covered with insulation division board 4 for 5 times, and top-loaded bar 6 is installed on the loading cap 5.The bottom centre of cylindrical chamber 3 has osculum, connects graduated cylinder 27 through scupper hose 26, and the water of the fixed discharge of soil sample converges to electric osmose negative electrode 1 under effect of electric field, flow into measured volume in the graduated cylinder 27 through osculum, scupper hose 26.Cylindrical chamber 3 is placed on the instrument table 28.The upper end that is arranged on two outer montants 7 of cylindrical chamber 3 is connected through bolt with the two ends of top-loaded bar 6 (should be from side view, two montants 7 have been can't see in the accompanying drawing), the lower end of two montants 7 is connected through bolt with the two ends of bottom-loaded bar 11, bottom-loaded bar 11 passes aperture pre-drilled on the lever 10 and lever 10 is rotationally connected, and clock gauge 15 contacts withstand on the vertical decrement that is used to measure soil sample on the top-loaded bar 6.The upper end of lever fixed bar 8 is fixed on instrument table 28 bottom surfaces, and the lower end of lever fixed bar 8 is rotationally connected through lever set bolt 12 and lever 10.One end of lever 10 is provided with counterpoise 9, and counterpoise 9 is used for the balance of adjustment (adjusting) lever self; The other end of lever 10 is provided with through counterweight hook 13 and loads counterweight 14, and loading counterweight 14 is identical with the general room consolidometer, selects to load the rank of counterweight 14 during experiment as requested with the enlargement factor of lever 10.Being connected the hole presses more than 3 of display 20 (in the accompanying drawing being 4) hole pressure sensor gauge head 18 to insert the soil sample from loading cap 5 pre-drilled apertures, one end of the chaining pin 21 that (in the accompanying drawing is 4) more than 3 inserts the soil sample from loading cap 5 pre-drilled apertures, and the other end of 3 above chaining pins 21 is connected with digital display multimeter 24 through telegraph key 22.The hole pressure sensor is used to measure the radially pore water pressure of soil sample, and chaining pin 21 is used to measure the radially Potential Distributing of soil sample, the both sides of their separation loading cap 5, and their arrangement mode can be identical, also can be different.Constant voltage dc source 25 is connected with electric osmose negative electrode 1, electric osmose anode 2 and digital display multimeter 24.
Described electric osmose negative electrode 1 is the complex pipe that has trap drainage and conducting function concurrently; Electric osmose anode 2 is sheet metal or wire nettings of ring-type.The material of described cylindrical chamber 3 is an insulating material; Electric osmose negative electrode 1, electric osmose anode 2, cylindrical chamber 3 and loading cap 5 coaxial arrangement.
Specific operation process is as follows:
1) installing electrodes:
2) insert soil sample, install and measure equipment:
The hole pressure sensor gauge head 18 that will connect cable 19 in inserting the process of soil sample buries in place; After treating the soil sample surface and cylindrical chamber 2 edges flushing, lay insulation division board 4, loading cap 5 and top-loaded bar 6 successively, and press display 21 to be connected with the hole other end of cable 19, insert chaining pin 21; 26 1 of scupper hoses are connected cylindrical chamber 2 bottom discharge holes, and graduated cylinder 27 is put in the other end.
3) leveling lever, fixedly clock gauge:
Connect top-loaded bar 6 and levers 10 with montant 7, and the counterpoise 9 on shift lever 10 right sides comes the balance of adjustment (adjusting) lever 10 self; After treating lever balance, on top-loaded bar 6, use fixedly clock gauge 15 of clock gauge fixed transverse rod 16 and montant 17, and guarantee that clock gauge 15 initial readings are zero.
4) connecting circuit:
With electric wire 23 electric osmose anode 2 is linked to each other with negative pole with the positive pole of power supply 25 respectively with electric osmose negative electrode 1, and chaining pin 21, digital display multimeter 24 and telegraph key 22 are also coupled together according to circuit shown in Figure 1.
5) carry additionally counterweight, connect circuit, begin test:
Behind the loading counterweight 14 of carrying additionally testing requirements on the counterweight hook 13, opening power 25 also is adjusted to the voltage and current that test is adopted, and presses telegraph key 22, the associating consolidation test of beginning electric osmose-preloading.
Utilizing the present invention also can and only carry additionally counterweight 14 by a switch power supply 25 realizes the simple consolidation by electroosmosis of soil sample respectively and loads fixed merely.
Claims (3)
1. electroosmosis-load combined consolidometer, it is characterized in that: electric osmose negative electrode (1) is set at cylindrical chamber (3) the axis place of placing soil sample, the inwall place of cylindrical chamber (3) is provided with electric osmose anode (2), the top of cylindrical chamber (3) is provided with piston type loading cap (5), be covered with insulation division board (4) under the piston type loading cap (5), loading cap (5) goes up installs top-loaded bar (6), the bottom centre of cylindrical chamber (3) has osculum, connect graduated cylinder (27) through scupper hose (26), cylindrical chamber (3) is placed on the instrument table (28), fixedly connected with the two ends of top-loaded bar (6) in the upper end that is arranged on outer two montants (7) of cylindrical chamber (3), fixedly connected with the two ends of bottom-loaded bar (11) in the lower end of two montants (7), bottom-loaded bar (11) is rotationally connected with lever, clock gauge (15) contact withstands on top-loaded bar (6), the upper end of lever fixed bar (8) is fixed on instrument table (28) bottom surface, the lower end of lever fixed bar (8) is rotationally connected through lever set bolt (12) and lever (10), one end of lever (10) is provided with counterpoise (9), the other end of lever (10) is provided with through counterweight hook (13) and loads counterweight (14), being connected the hole presses 3 above hole pressure sensor gauge heads (18) of display (20) to insert the soil sample from loading cap (5), one end of 3 above chaining pins (21) inserts the soil sample from loading cap (5), the other end of 3 above chaining pins (21) is connected with digital display multimeter (24) through telegraph key (22), constant voltage dc source (25) and electric osmose negative electrode (1), electric osmose anode (2) and digital display multimeter (24) are electrically connected.
2. a kind of electroosmosis-load combined consolidometer according to claim 1 is characterized in that: described electric osmose negative electrode (1) is the complex pipe that has trap drainage and conducting function concurrently; Electric osmose anode (2) is the sheet metal or the wire netting of ring-type.
3. a kind of electroosmosis-load combined consolidometer according to claim 1 is characterized in that: described cylindrical chamber (3) material is that insulating material is made; Electric osmose negative electrode (1), electric osmose anode (2), cylindrical chamber (3) and loading cap (5) coaxial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101633152A CN101430316B (en) | 2008-12-15 | 2008-12-15 | electroosmosis-load combined consolidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101633152A CN101430316B (en) | 2008-12-15 | 2008-12-15 | electroosmosis-load combined consolidometer |
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| Publication Number | Publication Date |
|---|---|
| CN101430316A true CN101430316A (en) | 2009-05-13 |
| CN101430316B CN101430316B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101633152A Expired - Fee Related CN101430316B (en) | 2008-12-15 | 2008-12-15 | electroosmosis-load combined consolidometer |
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Cited By (21)
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| CN101813691A (en) * | 2010-05-11 | 2010-08-25 | 中交第三航务工程勘察设计院有限公司 | Method for detecting secondary consolidation coefficient of soft soil indoors and measuring device using same |
| CN102393404A (en) * | 2011-09-15 | 2012-03-28 | 王军 | Large model test box for studying electroosmosis consolidation treated soft soil foundation |
| CN102507652A (en) * | 2011-09-30 | 2012-06-20 | 清华大学 | Bidirectional electricosmosis consolidometer |
| CN102565139A (en) * | 2012-01-11 | 2012-07-11 | 清华大学 | Indoor vacuum electro-osmosis combined solidification tester |
| CN103207136A (en) * | 2013-03-19 | 2013-07-17 | 河海大学 | Device and method for measuring hydraulic permeability-electroosmosis coefficients |
| CN103245770A (en) * | 2013-04-19 | 2013-08-14 | 河海大学 | Electroosmosis-vacuum-loading combined consolidometer |
| CN103424434A (en) * | 2013-08-21 | 2013-12-04 | 国家电网公司 | Experimental method for consolidating soft clay by means of electro-osmosis under follow-up effect of anode |
| CN104569341A (en) * | 2014-11-28 | 2015-04-29 | 温州大学 | Vacuum preloading and electroosmosis combined testing device and vacuum preloading and electroosmosis combined testing method |
| CN105158034A (en) * | 2015-07-31 | 2015-12-16 | 河海大学 | Cohesive soil large-scale triaxial sample consolidating apparatus and consolidating method thereof |
| CN105759012A (en) * | 2016-03-21 | 2016-07-13 | 温州大学 | Multifunctional soil mass testing device capable of achieving combined application |
| CN105866382A (en) * | 2016-04-14 | 2016-08-17 | 山东大学 | Electro-osmotic consolidation test device and method for consolidating soft clay foundation |
| CN106198376A (en) * | 2016-08-02 | 2016-12-07 | 广西大学 | Measure the consolidation apparatus of pore pressure |
| CN107012854A (en) * | 2017-05-22 | 2017-08-04 | 江苏绿畅路面新材料有限公司 | A kind of batch production heavy metal mud water discharge method |
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| CN108562518A (en) * | 2018-02-12 | 2018-09-21 | 浙江大学 | A kind of device and method for studying heavy metal ion traveling locus in the Polluted Soil that electric osmose is handled |
| CN109695259A (en) * | 2019-03-09 | 2019-04-30 | 中国矿业大学 | A kind of electric osmose system that can administer underground space dew |
| CN109991099A (en) * | 2019-04-29 | 2019-07-09 | 中交天津港湾工程研究院有限公司 | A kind of ultra-soft soil large scale consolidation testing device and test method |
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| CN115855618A (en) * | 2022-12-12 | 2023-03-28 | 江苏科技大学 | Model box for electroosmosis vacuum preloading combined soft soil reinforcement and use method thereof |
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2008
- 2008-12-15 CN CN2008101633152A patent/CN101430316B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813691B (en) * | 2010-05-11 | 2012-12-26 | 中交第三航务工程勘察设计院有限公司 | Method for detecting secondary consolidation coefficient of soft soil indoors and measuring device using same |
| CN101813691A (en) * | 2010-05-11 | 2010-08-25 | 中交第三航务工程勘察设计院有限公司 | Method for detecting secondary consolidation coefficient of soft soil indoors and measuring device using same |
| CN102393404A (en) * | 2011-09-15 | 2012-03-28 | 王军 | Large model test box for studying electroosmosis consolidation treated soft soil foundation |
| CN102393404B (en) * | 2011-09-15 | 2012-12-26 | 温州大学 | Large model test box for studying electroosmosis consolidation treated soft soil foundation |
| CN102507652A (en) * | 2011-09-30 | 2012-06-20 | 清华大学 | Bidirectional electricosmosis consolidometer |
| CN102565139B (en) * | 2012-01-11 | 2014-04-02 | 清华大学 | Indoor vacuum electro-osmosis combined solidification tester |
| CN102565139A (en) * | 2012-01-11 | 2012-07-11 | 清华大学 | Indoor vacuum electro-osmosis combined solidification tester |
| CN103207136A (en) * | 2013-03-19 | 2013-07-17 | 河海大学 | Device and method for measuring hydraulic permeability-electroosmosis coefficients |
| CN103207136B (en) * | 2013-03-19 | 2015-09-30 | 河海大学 | Waterpower-electric power apparatus for measuring permeability coefficient and measuring method |
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| CN103245770B (en) * | 2013-04-19 | 2015-03-25 | 河海大学 | Electroosmosis-vacuum-loading combined consolidometer |
| CN103424434A (en) * | 2013-08-21 | 2013-12-04 | 国家电网公司 | Experimental method for consolidating soft clay by means of electro-osmosis under follow-up effect of anode |
| CN103424434B (en) * | 2013-08-21 | 2015-08-26 | 国家电网公司 | Soft clay consolidation by electroosmosis experimental technique under anode follow-up effect |
| CN104569341A (en) * | 2014-11-28 | 2015-04-29 | 温州大学 | Vacuum preloading and electroosmosis combined testing device and vacuum preloading and electroosmosis combined testing method |
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| CN106198376A (en) * | 2016-08-02 | 2016-12-07 | 广西大学 | Measure the consolidation apparatus of pore pressure |
| CN107024499A (en) * | 2016-12-28 | 2017-08-08 | 塔里木大学 | One-dimensional earth pillar frost-heaving deformation analyzer |
| CN107012854A (en) * | 2017-05-22 | 2017-08-04 | 江苏绿畅路面新材料有限公司 | A kind of batch production heavy metal mud water discharge method |
| CN108562518A (en) * | 2018-02-12 | 2018-09-21 | 浙江大学 | A kind of device and method for studying heavy metal ion traveling locus in the Polluted Soil that electric osmose is handled |
| CN109695259A (en) * | 2019-03-09 | 2019-04-30 | 中国矿业大学 | A kind of electric osmose system that can administer underground space dew |
| CN109991099A (en) * | 2019-04-29 | 2019-07-09 | 中交天津港湾工程研究院有限公司 | A kind of ultra-soft soil large scale consolidation testing device and test method |
| CN110845110A (en) * | 2019-11-21 | 2020-02-28 | 山东科技大学 | Vacuum preloading combined surcharge-loading sludge dewatering test device |
| WO2022105103A1 (en) * | 2021-04-08 | 2022-05-27 | 南通大学 | Apparatus and method for testing effective electric potential of soil mass in real time using soft clay electroosmosis process |
| CN114878784A (en) * | 2022-05-18 | 2022-08-09 | 江苏科技大学 | Soft soil solidification test device and method |
| CN114878784B (en) * | 2022-05-18 | 2023-09-22 | 江苏科技大学 | Soft soil solidification test device and method |
| CN115855618A (en) * | 2022-12-12 | 2023-03-28 | 江苏科技大学 | Model box for electroosmosis vacuum preloading combined soft soil reinforcement and use method thereof |
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