CN102519856A - Apparatus for layered undisturbed soil seepage experiment - Google Patents

Apparatus for layered undisturbed soil seepage experiment Download PDF

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Publication number
CN102519856A
CN102519856A CN2011104294320A CN201110429432A CN102519856A CN 102519856 A CN102519856 A CN 102519856A CN 2011104294320 A CN2011104294320 A CN 2011104294320A CN 201110429432 A CN201110429432 A CN 201110429432A CN 102519856 A CN102519856 A CN 102519856A
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China
Prior art keywords
seepage flow
soil
layering
undisturbed soil
leaching
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CN2011104294320A
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CN102519856B (en
Inventor
彭浩
马传明
万军伟
鲁涛涛
和泽康
张亚男
张长城
杨添程
杨逸君
李仲夏
王珺瑜
沈丹萍
张垲苡
王志强
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China University of Geosciences
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China University of Geosciences
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Abstract

The invention relates to an apparatus for a layered undisturbed soil seepage experiment. The apparatus comprises a pedestal, a seepage column connected to the pedestal, an upper end cover on the seepage column, a flowmeter, a silicone tube connected with the flowmeter, an overflow tank connected with the flowmeter through the silicone tube and a multi-parameter analyzer connected with a sensor on the seepage column through a signal line. The invention can be used for determining penetration coefficient and dispersion coefficient in undisturbed soil in production, researching on influence of soil amendment on soil mechanical properties, researching on influences of leaching of different solutions on soil structure and influence of soil midstream on unsaturated zone soil and underground water, can also be applied to parameter determination in the relevant field of solute migration and can be used as a teaching apparatus.

Description

A kind of experimental provision of layering undisturbed soil seepage flow
Technical field
The present invention relates to a kind of soil water experiment device, specifically belong to the device that is used for the experiment of layering undisturbed soil seepage flow.
Background technology
Seepage tests are important means that percolating fluid moves transformation rule and soil property variation in research soil and the underground water interaction process; Being to measure infiltration coefficient, the isoparametric important method of dispersion coefficient, also is simultaneously the research method of research water and soil effect.At present, traditional seepage flow experiment one dimension earth pillars and the seepage tanks of adopting more, they can only in layer pack into and launch experiment after the soil sample, can't carry out the seepage flow experiment of undisturbed soil.But soil is through after the violent disturbance, and soil destructurized causes that character such as perviousness, dispersity, shearing resistance compressive strength change a lot, and can not reflect the open-air truth of soil really.Therefore, traditional seepage experimental apparatus can accurately not reflect the soil relevant nature, can not carry out the isoparametric mensuration of infiltration coefficient accurately.
Summary of the invention
The object of the invention is to solve can not carry out the test of layering seepage flow to undisturbed soil at present; The inaccurate deficiency of reflection soil relevant nature; Provide a kind of and can not destroy the undisturbed soil structure, the device of the layering undisturbed soil seepage flow experiment of can test simultaneously layering undisturbed soil, experimental data is objective, accuracy is strong.
Realize the above-mentioned purpose technical scheme:
A kind of experimental provision of layering undisturbed soil seepage flow, it is: comprise base, be connected in seepage flow post on the base, the upper end cover on the seepage flow post, flowmeter, the silicone tube that is connected with flowmeter, the overflow tank that is connected with flowmeter through silicone tube, the multiparameter appearance that is connected with sensor on being contained in the seepage flow post through signal wire.
It is characterized in that: the seepage flow post comprises at least two seepage flow sections, is contained in leaching device, the buffering net of going up most in the seepage flow section that is contained in leaching device below, the drainpipe composition that is contained in the most next seepage flow section lower end, and per two seepage flow sections connect through screw rod.
It is characterized in that: the seepage flow section is by the dividing plate of middle part dress in seepage flow pipe, the seepage flow pipe, be made up of the filter screen that connects on the cutting ring of placing in the formed seepage flow sap cavity of dividing plate and experiment chamber, the experiment chamber, the dividing plate, the sealant that on seepage flow pipe madial wall, connects; Sensor is contained in the seepage flow sap cavity.
It is characterized in that: the experiment chamber between per two seepage flow sections communicates.
It is characterized in that: the height of overflow tank is higher than the height of leaching device.
It is characterized in that: flowmeter is connected on the fixed mount through bearing one; Overflow tank is connected on the fixed mount through bearing two.
It is characterized in that: overflow tank is regulated at the enterprising line height of fixed mount through bearing two.
It is characterized in that: described leaching device is made up of bracing frame, leaching pipe, joint with holes.
The present invention can be used for producing the infiltration coefficient of measuring the original state soil body and dispersion coefficient etc., and can study soil conditioner to the soil mechanics The properties; In scientific research, can further investigate the different solutions leaching to the influence of soil texture, native interflow to the aeration zone soil body and phreatic influence, also applicable to the parametric measurement of the relevant field of solute transfer (water pollution evaluation, seawater intrusion, petroleum driving); Help the student better to understand related notion and the water and soil effect scheduling theory of seepage flow experiment as instruments used for education, manipulative ability that can exercise student ' in process of the test through the change experiment condition.In a word, the instrument function that is with a wide range of applications and continues to develop.
Description of drawings
Fig. 1 is a structural representation of the present invention
The structural representation of leaching device among Fig. 2 Fig. 1
Among the figure: 1-base, 2-seepage flow post, 3-upper end cover, 4-flowmeter, 5-silicone tube, 6-overflow tank, 7-signal wire; The 8-sensor, 9-multiparameter appearance, 10-seepage flow section, 11-seepage flow pipe, the 12-dividing plate, 13-seepage flow sap cavity, 14-tests the chamber; The 15-cutting ring, the 16-filter screen, the 17-sealant, 18-leaching device, 19-cushions net, 20-drainpipe, 21-fixed mount; 22-bearing one, 23-bearing two, 24-bracing frame, 25-hole, 26-leaching pipe, 27-joint.
Embodiment
Do below in conjunction with accompanying drawing and to further describe:
A kind of experimental provision of layering undisturbed soil seepage flow: it comprises base 1; Be connected in the seepage flow post 2 at the end 1; Seepage flow, the upper end cover 3 on 2, flowmeter 4, the silicone tube 5 that is connected with flowmeter 4, the overflow tank 6 that is connected with flowmeter 4 through silicone tube 5, the multiparameter appearance 9 that is connected with sensor 8 on being contained in seepage flow post 2 through signal wire 7.
The structure of seepage flow post 2:
The structure of seepage flow section 10: the seepage flow pipe 11 of at first making stainless steel or glass material; Adopt whole processing or welding at the interior middle part of seepage flow pipe 11 or rivet two dividing plates 12; The seepage flow sap cavity 13 that between two dividing plates 12, forms; Chamber 14 is tested in going up or forming down of dividing plate 12, in experiment chamber 14, is placed with cutting ring 15; On dividing plate 12, adopt screw or bonding agent to connect filter screen 16; On seepage flow pipe 11 madial walls, adopt bonding connection silica gel or rubber sealant 17; Sensor 8 is placed in the seepage flow sap cavity 13.
The seepage flow section of making 10 every two adjacent employing screw rods are connected as one, form seepage flow post 2 (confirming the connection number of seepage flow section 10 as required), but will connect two seepage flow sections 10 at least; The experiment chamber 14 of two whenever adjacent seepage flow sections 10 communicates;
Confirm as going up most a seepage flow section 10 in employing bonding or be welded to connect leaching device 18, bonding buffering net 19 in the seepage flow section 10 below the leaching device; Be made into funnel shapedly at the inner chamber that is contained in the most next seepage flow section 10, and connect drainpipe 20 in its lower end.
Make fixed mount 21, and on fixed mount 21, weld or the bearing 1 that is threaded, flowmeter 4 is fixed on the bearing 1; The bearing 2 23 that on fixed mount 21, is threaded, bearing 2 23 can be regulated at fixed mount 21 enterprising line heights, fixing overflow tank 6 on fixed mount 21, the height of overflow tank 6 is higher than the height of leaching device 18; One end of silicone tube 5 is connected in leaching device 18, and the other end is connected in flowmeter 4; Use a silicone tube 5 again, the one of which end is connected in flowmeter 4, and the other end is connected in overflow tank 6;
Described leaching device 18 is by bracing frame 24, adopt with holes 25 leaching pipe 26, joint 27 of whole or welding to form with bracing frame 24.
Multiparameter appearance 9 is connected with each sensor 8 through signal wire 7.
Use principle
The present invention fetches undisturbed soil through cutting ring 15, and the cutting ring that undisturbed soil is housed 15 is placed in the experiment chamber 14 (quantity of packing into of its cutting ring 15 can be decided according to actual conditions); Concentration and head through overflow tank 6, flowmeter 4 and leaching device 19 control seepage flow solution; Make an experiment according to routine, after experiment finishes, can analyze, also can analyze, study in the experiment of undisturbed soil seepage flow the water and soil salt action to soil and phreatic influence with this to the composition of transudate to undisturbed soil structure and physicochemical property.
Concrete Test Example
(1) prepares soil sample
The experiment soil sample is picked up from Nan Wang mountain, China Geological Univ. Wuhan Westbound, and the undisturbed soil of adopting is processed the undisturbed soil cutting ring, avoids the disturbance to soil in the sample preparation as far as possible, and the initial aqueous rate that adopts oven drying method to record soil sample is 2.2%, unit dry weight 1.41g/cm3.
(2) dress appearance
The undisturbed soil cutting ring is packed into after the sample chamber that two seepage flow posts form, and undisturbed soil cutting ring quantity is 5, utilizes screw rod and silicagel pad to fix and seal.In order to ensure water-tight, adhesive seal is carried out with glass cement in the slit, junction.
(3) preparation seepage flow agent
The NaCl solution 30L of configuration 0.05mol/L.
(4) leaching
Through regulating glass rotameter, control seepage flow flow velocity is that 0.1ml/s launches the leaching experiment.
(5) monitoring conductivity
Monitor through the electrode pair percolating fluid, adopt conductance electrode and conductivity meter that the percolate of first undisturbed soil cutting ring is monitored in the test, obtain conductivity and show over time.
Table 1 conductivity is change list in time
(6) analyzing the transudate composition changes
In the test, at set intervals from the apopore sampling, be used to analyze the Changing Pattern of percolate, 5 percolate water samples have been chosen in this experiment, are used to analyze the water and soil effect of undisturbed soil seepage flow experiment.
Table 2 transudate constituent analysis table
The analysis data are found, transudate Li +, Ag +, Cu 2+Change in concentration is not obvious, thinks under the displacement of salt water head Li +, Ag +, Cu 2+Deng IB, II B metallic ion and Li +Take place less or cation exch ange adsorption does not take place basically.Think that the time of transudate concentration changes relevant in the distribution of undisturbed soil soil itself and the concentration in salt water with it.Ca 2+Significant exchange suction-operated takes place in ion, at experiment initial period, Na +Content is lower in subsoil, limited Na +With Ca 2+After effect reaches capacity, part Mg 2+Make more Ca 2+Exchange absorption takes place.Along with the carrying out of invasion, with Ca 2+The Na of exchange absorption takes place +Content increases gradually, Mg 2+With Ca 2+Suction-operated reduce gradually, so the Mg of later stage transudate 2+Content tends towards stability.Along with Ca in the soil 2+Separate out minimizing, Na gradually +Content begin to increase gradually.With the concentration of separating out of Mg, Ca Ba element of the same clan significant variation has taken place also, the water sample content of numbering 5 exceeds 160% and 100% than numbering 1 respectively.

Claims (8)

1. the experimental provision of a layering undisturbed soil seepage flow is characterized in that: it comprises base, be connected in seepage flow post on the base, the upper end cover on the seepage flow post, flowmeter, the silicone tube that is connected with flowmeter, the overflow tank that is connected with flowmeter through silicone tube, the multiparameter appearance that is connected with sensor on being contained in the seepage flow post through signal wire.
2. the experimental provision of a kind of layering undisturbed soil seepage flow as claimed in claim 1; It is characterized in that: the seepage flow post comprises at least two seepage flow sections, is contained in leaching device, the buffering net of going up most in the seepage flow section that is contained in leaching device below, the drainpipe composition that is contained in the most next seepage flow section lower end, and per two seepage flow sections connect through screw rod.
3. the experimental provision of a kind of layering undisturbed soil seepage flow as claimed in claim 2 is characterized in that: the seepage flow section is by the dividing plate of middle part dress in seepage flow pipe, the seepage flow pipe, be made up of the filter screen that connects on the cutting ring of placing in the formed seepage flow sap cavity of dividing plate and experiment chamber, the experiment chamber, the dividing plate, the sealant that on seepage flow pipe madial wall, connects; Sensor is contained in the seepage flow sap cavity.
4. like the experimental provision of claim 2 or 3 described a kind of layering undisturbed soil seepage flow, it is characterized in that: the experiment chamber between per two seepage flow sections communicates.
5. according to claim 1 or claim 2 a kind of experimental provision of layering undisturbed soil seepage flow, it is characterized in that: the height of overflow tank is higher than the height of leaching device.
6. the experimental provision of a kind of layering undisturbed soil seepage flow as claimed in claim 1 is characterized in that: flowmeter is connected on the fixed mount through bearing one; Overflow tank is connected on the fixed mount through bearing two.
7. the experimental provision of a kind of layering undisturbed soil seepage flow as claimed in claim 6 is characterized in that: overflow tank is regulated at the enterprising line height of fixed mount through bearing two.
8. the original-pack native seepage flow test device of layering according to claim 1 is characterized in that: described leaching device is made up of bracing frame, leaching pipe, joint with holes.
CN 201110429432 2011-12-19 2011-12-19 Apparatus for layered undisturbed soil seepage experiment Active CN102519856B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102998230A (en) * 2012-11-30 2013-03-27 中国地质大学(武汉) Pollution halo layered observation device and method for simulating pollutant contaminated soil
CN103018421A (en) * 2012-11-22 2013-04-03 中国地质大学(武汉) Multi-section earth-pillar for simulating soil in petroleum hydrocarbon polluted aeration zone
CN103149344A (en) * 2013-03-08 2013-06-12 兰州大学 Slab combined type capillary water rise test column
CN103235018A (en) * 2013-04-18 2013-08-07 中国地质大学(武汉) Rainwater quality monitoring and infiltration simulating comprehensive experiment instrument
CN103308438A (en) * 2013-05-30 2013-09-18 长安大学 Modular soil body permeability tester
CN104568709A (en) * 2015-01-29 2015-04-29 中国地质大学(武汉) Aeration zone soil adsorption parameter tester based on weak adsorption pollutants
CN104569353A (en) * 2015-01-29 2015-04-29 中国地质大学(武汉) Aeration zone soil adsorption parameter tester based on strong adsorption pollutants
CN105158444A (en) * 2015-09-28 2015-12-16 浙江大学 System and method for measuring flow speed and flow of slope surface interflow
CN105866005A (en) * 2016-05-23 2016-08-17 河海大学 Intelligent testing device for soil mass layered permeability characteristic analysis, measuring method and evaluation method
CN106124386A (en) * 2016-09-01 2016-11-16 中国地质大学(武汉) A kind of undisturbed soil effecive porosity analyzer
CN106896047A (en) * 2017-03-14 2017-06-27 长安大学 A kind of simultaneous determination soil water feature and the experimental rig and method for permeating linearity curve
CN107505244A (en) * 2017-08-11 2017-12-22 上海岩土工程勘察设计研究院有限公司 A kind of Dispersion Test method suitable for hypotonicity soil
CN108645776A (en) * 2018-05-14 2018-10-12 河海大学 A kind of seepage flow test device and method using conductivity measurement medium osmosis coefficient
CN109030290A (en) * 2018-08-01 2018-12-18 中国地质科学院水文地质环境地质研究所 Salt Transport Characteristics in Soil test platform in underground water under the conditions of a kind of varying head
CN110702583A (en) * 2019-10-23 2020-01-17 中南大学 Soil body infiltration dispersion leaching test integrated column

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201242521Y (en) * 2008-08-20 2009-05-20 中国科学院沈阳应用生态研究所 Apparatus for measuring soil pervasion parameter
US20100043532A1 (en) * 2007-01-03 2010-02-25 Devanatha Muralidharan Electronic level sensor and timer based falling head soil permeameter
CN202075201U (en) * 2011-06-13 2011-12-14 云南大学 Groundwater seepage simulation test device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100043532A1 (en) * 2007-01-03 2010-02-25 Devanatha Muralidharan Electronic level sensor and timer based falling head soil permeameter
CN201242521Y (en) * 2008-08-20 2009-05-20 中国科学院沈阳应用生态研究所 Apparatus for measuring soil pervasion parameter
CN202075201U (en) * 2011-06-13 2011-12-14 云南大学 Groundwater seepage simulation test device

Cited By (24)

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Publication number Priority date Publication date Assignee Title
CN103018421B (en) * 2012-11-22 2015-06-24 中国地质大学(武汉) Multi-section earth-pillar for simulating soil in petroleum hydrocarbon polluted aeration zone
CN103018421A (en) * 2012-11-22 2013-04-03 中国地质大学(武汉) Multi-section earth-pillar for simulating soil in petroleum hydrocarbon polluted aeration zone
CN102998230B (en) * 2012-11-30 2014-12-24 中国地质大学(武汉) Pollution halo layered observation device and method for simulating pollutant contaminated soil
CN102998230A (en) * 2012-11-30 2013-03-27 中国地质大学(武汉) Pollution halo layered observation device and method for simulating pollutant contaminated soil
CN103149344A (en) * 2013-03-08 2013-06-12 兰州大学 Slab combined type capillary water rise test column
CN103149344B (en) * 2013-03-08 2014-12-31 兰州大学 Slab combined type capillary water rise test column
CN103235018A (en) * 2013-04-18 2013-08-07 中国地质大学(武汉) Rainwater quality monitoring and infiltration simulating comprehensive experiment instrument
CN103308438A (en) * 2013-05-30 2013-09-18 长安大学 Modular soil body permeability tester
CN103308438B (en) * 2013-05-30 2016-06-29 长安大学 Modular soil body permeability tester
CN104569353A (en) * 2015-01-29 2015-04-29 中国地质大学(武汉) Aeration zone soil adsorption parameter tester based on strong adsorption pollutants
CN104569353B (en) * 2015-01-29 2016-03-16 中国地质大学(武汉) Based on the aerated zone soil absorption parameter determinator of strong adsorption fouling thing
CN104568709A (en) * 2015-01-29 2015-04-29 中国地质大学(武汉) Aeration zone soil adsorption parameter tester based on weak adsorption pollutants
CN105158444B (en) * 2015-09-28 2016-10-05 浙江大学 Domatic interflow flow velocity and flow measuring systems and method
CN105158444A (en) * 2015-09-28 2015-12-16 浙江大学 System and method for measuring flow speed and flow of slope surface interflow
CN105866005B (en) * 2016-05-23 2019-01-08 河海大学 A kind of intelligent test device, measurement method and evaluation method for soil body layering Penetration Signature analysis
CN105866005A (en) * 2016-05-23 2016-08-17 河海大学 Intelligent testing device for soil mass layered permeability characteristic analysis, measuring method and evaluation method
CN106124386A (en) * 2016-09-01 2016-11-16 中国地质大学(武汉) A kind of undisturbed soil effecive porosity analyzer
CN106124386B (en) * 2016-09-01 2019-01-15 中国地质大学(武汉) A kind of undisturbed soil effecive porosity analyzer
CN106896047A (en) * 2017-03-14 2017-06-27 长安大学 A kind of simultaneous determination soil water feature and the experimental rig and method for permeating linearity curve
CN106896047B (en) * 2017-03-14 2018-10-26 长安大学 A kind of experimental rig and method of simultaneous determination soil water feature and infiltration linearity curve
CN107505244A (en) * 2017-08-11 2017-12-22 上海岩土工程勘察设计研究院有限公司 A kind of Dispersion Test method suitable for hypotonicity soil
CN108645776A (en) * 2018-05-14 2018-10-12 河海大学 A kind of seepage flow test device and method using conductivity measurement medium osmosis coefficient
CN109030290A (en) * 2018-08-01 2018-12-18 中国地质科学院水文地质环境地质研究所 Salt Transport Characteristics in Soil test platform in underground water under the conditions of a kind of varying head
CN110702583A (en) * 2019-10-23 2020-01-17 中南大学 Soil body infiltration dispersion leaching test integrated column

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