CN109254033A - The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport - Google Patents

The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport Download PDF

Info

Publication number
CN109254033A
CN109254033A CN201811226127.XA CN201811226127A CN109254033A CN 109254033 A CN109254033 A CN 109254033A CN 201811226127 A CN201811226127 A CN 201811226127A CN 109254033 A CN109254033 A CN 109254033A
Authority
CN
China
Prior art keywords
soil
water
transparent
seepage
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811226127.XA
Other languages
Chinese (zh)
Inventor
秦子鹏
赖远明
张明义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwest Institute of Eco Environment and Resources of CAS
Original Assignee
Cold and Arid Regions Environmental and Engineering Research Institute of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cold and Arid Regions Environmental and Engineering Research Institute of CAS filed Critical Cold and Arid Regions Environmental and Engineering Research Institute of CAS
Priority to CN201811226127.XA priority Critical patent/CN109254033A/en
Publication of CN109254033A publication Critical patent/CN109254033A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/041Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample
    • G01N15/0826Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change

Abstract

The present invention provides the detection methods that a kind of Decline or rise of groundwater level influences seepage through soil mass and water salt Transport, including sample soil body filling step and simulated groundwater position surge detection analytical procedure;The detection method that Decline or rise of groundwater level provided by the invention influences seepage through soil mass and water salt Transport, reservoir filling can be simulated in laboratory environments or is discharged water, Decline or rise of groundwater level situation caused by mining of groundwater or recharge etc., and measures water and soil gesture, moisture content, temperature, the size of salt content of the soil body at different height;With easy to operate, convenient to carry out, the beneficial effect of high reliablity.

Description

The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport
Technical field
The present invention relates to soil body studying technological domains, more particularly, to a kind of Decline or rise of groundwater level to seepage through soil mass and water salt The detection method that Transport influences.
Background technique
Rainfall infiltration, reservoir filling or discharge water, mining of groundwater or recharge etc. easily cause groundwater level fluctuation.Rainfall enters Blending groundwater level fluctuation can promote inside soil body that violent seepage flow activity occurs, and seepage flow can change soil's water content size, The size of unsaturated soil matric suction is influenced in turn.When level of ground water increases, unsaturation soil's water content increases, and can make Matric suction reduces, and soil classifiction is caused to reduce, and is easy to cause bank slope of reservoir slump, side slope under the action of other factors The disasters such as unstability;When underground water potential drop is low, soil's water content declines therewith, and interstitial hydraulic pressure reduces, when the range of decrease under moisture content When spending larger, ground generally will appear sedimentation or collapse phenomenon.In order to avoid above-mentioned phenomenon causes major natural disasters, usually need Want influence of the Study of The Underground fluctuation in stage to soil moisture content.
In the prior art, Study of The Underground fluctuation in stage is using prototype to one of the method for influence of soil moisture content Observation method buries the monitoring device of water and soil gesture, moisture, temperature, salinity etc., to dependency number in the region observed According to carrying out in real time or periodic monitor and acquisition.But the method for using prototype measurement has some disadvantages, such as prototype measurement scale Greatly, influence factor is more, can not control the variation of rainfall intensity and level of ground water, and prototype measurement is to instrument and equipment requirement Height, the instrument and equipment that can be used for prototype measurement is few etc., is difficult to obtain comprehensive and accurate data;In another example observation is at high cost, need Consume a large amount of man power and materials.
Another kind is based on soil mechanics and thermodynamic (al) seepage theory calculates and method for numerical simulation;But this simulation side Method introduces a large amount of it is assumed that and having carried out letter to the complexity of Practical Project when theorizing computation model or numerical model Change processing, it is often quite different with actual conditions to obtain result.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
The present invention is proposed in view of above-mentioned technical problem, and its purpose is to provide a kind of Decline or rise of groundwater level to the soil body The detection method that seepage flow and water salt Transport influence.
The present invention can simulate reservoir filling in laboratory environments or discharge water, caused by mining of groundwater or recharge etc. Lower fluctuation in stage situation, and measure water and soil gesture, moisture content, temperature, the size of salt content of the soil body at different height;With operation Simply, convenient to carry out, the beneficial effect of high reliablity.
It adopts the following technical scheme that achieve the purpose of the present invention
The present invention provides the detection method that a kind of Decline or rise of groundwater level influences seepage through soil mass and water salt Transport, packets Sample soil body filling step is included, the sample soil body that acquisition comes is loaded in the soil body charge space of seepage through soil mass experimental rig, Form the soil body to be measured;And
Simulated groundwater position surge detection analytical procedure simulates different levels of ground water using the seepage through soil mass experimental rig Ramp rate carries out artificial water-level fluctuation influence to the soil body to be measured and to described to be measured under different level of ground water ramp rates The soil water potential in soil, temperature, moisture content and salt content numerical value detected to obtain groundwater level fluctuation and influence numerical value, record The groundwater level fluctuation influence numerical value and analyze under different level of ground water ramp rates the seepage through soil mass of the soil body to be measured and Water salt Transport.
Based on the above technical solution, further, the seepage through soil mass experimental rig includes transparent water tank, stands Column, the internal transparent drum, data sensor device and data acquisition device for being formed as the soil body charge space;
The transparent water tank is fixed on the position of the top positioned at the transparent drum of the column by height adjustment pedestal Place is set, the height adjustment pedestal transparent water tank can be adjusted relative to the height of the column, described On the cabinet wall surface of bright water tank and the scale extended along the vertical direction is respectively arranged on the column;
Transparent drum water inlet and transparent drum water outlet are provided on the side wall of the bottom of the transparent drum, in the water tank Bottom be provided with water outlet, the water outlet is connect by lower part water supply hose with the transparent drum water inlet;
It is provided with inlet valve on the lower part water supply hose, is provided with outlet valve on the transparent drum outlet pipe;
The data sensor device includes multiple groups tensometer and soil moisture temperature conductivity integrated sensor, the multiple groups Tensometer and soil moisture temperature conductivity integrated sensor are equidistantly spaced from the peripheral wall of the transparent staving along the vertical direction, Each group tensometer and soil moisture temperature conductivity integrated sensor respectively include a respective tensometer and a soil water Divide temperature conductivity integrated sensor, and, one tensometer and the integrated sensing of one soil moisture temperature conductivity The height of device is identical,
The induction end of the induction end of each tensometer and each soil moisture temperature conductivity integrated sensor The bucket wall for being each passed through the transparent drum stretches to the inside of the transparent drum, and each tensometer and each soil Moisture temperature conductivity integrated sensor is electrically connected with the data acquisition device respectively.
Based on the above technical solution, further,
The sample soil body loads step
The bottom of the transparent drum be uniformly laid with blotter, the blotter top be laid with hollow out partition, The gauze of at least one layer of wetting is laid at the top of the hollow out partition, come to the filling acquisition of the interior laminate layer of the transparent drum The sample soil body.
Based on the above technical solution, further,
During the sample soil body come to the filling acquisition of the interior laminate layer of the transparent drum:
The height for inserting every layer of sample soil body of the inside of the transparent drum is 3cm to 4cm, and is successively pressed It is real.
On the basis of any of the above-described technical solution, further,
The sample soil body filling step further includes before the bottom of the transparent drum is uniformly laid with blotter:
Setting covers the metal mesh of the transparent drum water outlet on the inner wall of the transparent drum.
On the basis of any of the above-described technical solution, further,
The sample soil body filling step further includes the sample soil body come to the filling acquisition of the interior laminate layer of the transparent drum Later:
Hollow out bung is set at the top of the transparent drum, and is laid at least one layer of wetting at the top of the hollow out bung Gauze.
On the basis of any of the above-described technical solution, further,
Further include sample soil body processing step before the sample soil body loads step:
This sample is pulverized to obtain the initial sample soil body after natural drying, the initial sample soil body is carried out using round-hole mesh Screening obtains the sample soil body.
On the basis of any of the above-described technical solution, further,
The simulated groundwater position surge detection analytical procedure includes:
Groundwater level fluctuation original state set-up procedure, adjusts the height of the transparent water tank, records the column and institute The scale value on transparent water tank is stated, records the time with stopwatch;The inlet valve is opened, water level is made to flood the soil to be measured completely Body closes the inlet valve, opens the drain valve after the soil body inundation to be measured reaches saturation, makes in the soil body to be measured Water flow out naturally;The moisture content that the primary soil moisture temperature conductivity integrated sensor measures is recorded at interval of 3min, When continuous record 3 times, when moisture content is close, that is, thinks that the state is groundwater level fluctuation original state, be then turned off described Drain valve;And
The not analog detection analytical procedure under hull-borne, comprising:
The height of the transparent water tank is adjusted using the height adjustment pedestal, simulation reservoir level is gone up and down, described in record Scale value on column and the transparent water tank records the time with stopwatch;The inlet valve is opened, it is primary each every 2min record Moisture content that the reading and each soil moisture temperature conductivity integrated sensor that a tensometer indicates measure and Salt content;
The height of the fixed transparent water tank, records the quarter number on the column and the transparent water tank, is recorded with stopwatch Time controls the rate of change of water level by adjusting the aperture of the inlet valve, the rate of change of simulated groundwater position lifting, Every the reading and the integrated biography of each soil moisture temperature conductivity of the primary each tensometer expression of 1min record The moisture content and salt content that sensor measures.
Based on the above technical solution, further,
The simulated groundwater position surge detection analytical procedure further includes the analog detection analytical procedure under hull-borne:
The height of the fixed transparent water tank, records the quarter number on the column and the transparent water tank, is recorded with stopwatch Time simulates the flow event of the soil body under different drainage rates by adjusting the aperture of the drain valve, then opens draining Valve flows out water naturally, reading and each soil moisture every the primary each tensometer expression of 1min record The moisture content and salt content that temperature conductivity integrated sensor measures.
On the basis of any of the above-described technical solution, further,
Vertical spacing between the test lead of tensometer described in each adjacent two is 10cm, and the tensometer of topmost Test lead and the soil body to be measured top surface between vertical spacing, lowest part the tensometer test lead and it is described to The vertical spacing surveyed between the bottom surface of the soil body is respectively 10cm;Also,
Vertical spacing between the test lead of soil moisture temperature conductivity integrated sensor described in each adjacent two is 10cm, and the top surface of the test lead of the soil moisture temperature conductivity integrated sensor of topmost and the soil body to be measured it Between vertical spacing, lowest part the soil moisture temperature conductivity integrated sensor test lead and the soil body to be measured Vertical spacing between bottom surface is respectively 10cm.
In conjunction with above technical scheme, the beneficial effects of the present invention are:
The present invention provides the detection method that a kind of Decline or rise of groundwater level influences seepage through soil mass and water salt Transport, packets Sample soil body filling step is included, the sample soil body that acquisition comes is loaded in the soil body charge space of seepage through soil mass experimental rig, Form the soil body to be measured;And
Simulated groundwater position surge detection analytical procedure simulates different Decline or rise of groundwater level using seepage through soil mass experimental rig Rate on the soil body to be measured carry out artificial water-level fluctuation influence and to the soil water potential in soil to be measured under different level of ground water ramp rates, The numerical value of temperature, moisture content and salt content is detected to obtain groundwater level fluctuation influence numerical value, records groundwater level fluctuation It influences numerical value and analyzes the seepage through soil mass and water salt Transport of the soil body to be measured under different level of ground water ramp rates.
The detection method that Decline or rise of groundwater level provided by the invention influences seepage through soil mass and water salt Transport, Neng Gou Laboratory environment Imitating reservoir filling discharges water, Decline or rise of groundwater level situation caused by mining of groundwater or recharge etc., and surveys Determine water and soil gesture, moisture content, temperature, the size of salt content of the soil body at different height;Decline or rise of groundwater level pair provided by the invention The detection method that seepage through soil mass and water salt Transport influence solves prior art center research seepage through soil mass and the migration of water salt Affecting laws when, limiting factor is more or the technical problem quite different with actual conditions, have it is easy to operate, it is convenient to carry out, The beneficial effect of high reliablity.
Detailed description of the invention
Technical solution in order to illustrate more clearly of the specific embodiment of the invention or in the related technology, below will be to specific Attached drawing needed in embodiment or description of Related Art is briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is to indicate flow chart of the invention;
Fig. 2 is the structural schematic diagram of seepage through soil mass experimental rig provided in the present invention;
Fig. 3 is the structural schematic diagram of hollow out partition in seepage through soil mass experimental rig provided in the present invention;
Fig. 4 is the structural schematic diagram of hollow out bung in multi-functional soil body seepage flow test device provided in the present invention.
Appended drawing reference: S0- sample soil body processing step;The S1- sample soil body loads step;S2- simulated groundwater position wave It is dynamic to test and analyze step;S21- groundwater level fluctuation original state set-up procedure;The S22- not analog detection under hull-borne Analytical procedure;Analog detection analytical procedure under S23- hull-borne;100- transparent drum;101- hollow out partition;102- is broken Stone bed course;103- tensometer;104- soil moisture temperature conductivity integrated sensor;105- data acquisition device;106- is saturating Bright bucket water inlet;107- transparent drum water outlet;108- inlet valve;109- outlet valve;110- hollow out bung;200- is transparent Water tank;201- column;202- height adjustment pedestal;203- water outlet;The lower part 204- water supply hose.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Fig. 1 is to indicate flow chart of the invention;Fig. 2 is the knot of seepage through soil mass experimental test device provided in the present invention Structure schematic diagram;Fig. 3 is the structural schematic diagram of hollow out partition in seepage through soil mass experimental test device provided in the present invention;Fig. 4 For the structural schematic diagram of hollow out bung in multi-functional soil body Seepage Experiment experimental rig provided in the present invention.
Present embodiments provide a kind of detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport.
With reference to Fig. 1, the detection method which influences seepage through soil mass and water salt Transport includes sample The soil body loads step S1 and simulated groundwater position surge detection analytical procedure S2.
In sample soil body filling step S1, the sample soil body that acquisition comes is loaded on to the soil body of seepage through soil mass experimental rig In charge space, the soil body to be measured is formed;
In the surge detection analytical procedure S2 of simulated groundwater position, different underground water are simulated using seepage through soil mass experimental rig Position ramp rate carries out artificial water-level fluctuation influence to the soil body to be measured and to soil to be measured under different level of ground water ramp rates Soil water potential, temperature, moisture content and salt content numerical value detected to obtain groundwater level fluctuation and influence numerical value, record underground water Position influence of fluctuations numerical value and the seepage through soil mass and water salt Transport for analyzing the soil body to be measured under different level of ground water ramp rates.
The detection method that Decline or rise of groundwater level provided in this embodiment influences seepage through soil mass and water salt Transport, can Reservoir filling is simulated in laboratory environments or is discharged water, Decline or rise of groundwater level situation caused by mining of groundwater or recharge etc., and Measure water and soil gesture, moisture content, temperature, the size of salt content of the soil body at different height;Decline or rise of groundwater level provided by the invention It solves prior art center research seepage through soil mass to the detection method that seepage through soil mass and water salt Transport influence and water salt moves When the affecting laws of shifting, limiting factor is more or the technical problem quite different with actual conditions, have it is easy to operate, convenient for real It applies, the beneficial effect of high reliablity.
In addition, in some embodiments, on the basis of the above embodiments, further, the above-mentioned soil body seeps with reference to Fig. 2 Stream experimental rig includes transparent water tank 200, column 201, internal transparent drum 100, the data sensor for being formed as soil body charge space Device and data acquisition device 105.
Transparent water tank 200 is fixed on the position of the top positioned at transparent drum 100 of column 201 by height adjustment pedestal 202 Place is set, height adjustment pedestal 202 transparent water tank 200 can be adjusted relative to the height of column 201, in transparent water tank On 200 cabinet wall surface and the scale extended along the vertical direction is respectively arranged on column 201.
Transparent drum water inlet 106 and transparent drum water outlet 107 are provided on the side wall of the bottom of transparent drum 100, in water The bottom of case is provided with water outlet 203, and water outlet 203 is connect by lower part water supply hose 204 with transparent drum water inlet 106.
It is provided with inlet valve 108 on lower part water supply hose 204, outlet valve 109 is provided on transparent drum outlet pipe.
Data sensor device includes multiple groups tensometer 103 and soil moisture temperature conductivity integrated sensor 104, multiple groups Power meter 103 and soil moisture temperature conductivity integrated sensor 104 are along the vertical direction in the peripheral wall of transparent drum 100 cloth at equal intervals It sets, each group tensometer 103 and soil moisture temperature conductivity integrated sensor 104 respectively include a respective tensometer 103 With a soil moisture temperature conductivity integrated sensor 104, and, a tensometer 103 and a soil moisture temperature conductance The height of rate integrated sensor 104 is identical, sets tensometer 103 and soil moisture temperature conductivity integrated sensor 104 to Identical height can make the data tested out convenient for processing.
The induction end of each tensometer 103 and the induction end of each soil moisture temperature conductivity integrated sensor 104 point Not Chuan Guo the bucket wall of transparent drum 100 stretch to the inside of transparent drum 100, and each tensometer 103 and each soil moisture temperature Conductivity integrated sensor 104 is electrically connected with data acquisition device 105 respectively.
In addition, with reference to Fig. 3, combined with Figure 1 and Figure 2, in some embodiments, on the basis of the above embodiments, more into one Step ground, sample soil body filling step S1 include:
Blotter 102 is uniformly laid with, in the top of blotter 102 laying hollow out partition in the bottom of transparent drum 100 101, the gauze of at least one layer of wetting is laid at the top of hollow out partition 101, come to the filling acquisition of the interior laminate layer of transparent drum 100 The sample soil body.
In these embodiments, by being laid with blotter 102, the uniform fluid flow in transparent drum 100 point will can be flowed into It dissipates, prevents water flow from washing away to the soil body generation of 100 bottom of transparent drum;Hollow out partition 101 is set and on 101 upper berth of hollow out partition If at least one layer of gauze, can prevent soil particle tiny in seepage flow and drainage procedure from taking away or being filled into blotter by water flow In 102, while can also further dispersing water flow.
In addition, in some embodiments, on the basis of the above embodiments, further, in the inside to transparent drum 100 During the sample soil body that layering filling acquisition comes,
The height for inserting every layer of sample soil body of the inside of transparent drum 100 is 3cm to 4cm, and is successively compacted, In, the height of every layer of sample soil body can be but be not limited to 3cm or 3.2cm or 3.8cm or 4cm.
In these embodiments, the porosity and undisturbed soil of the sample soil body of test in bucket can be made through the above steps It is as identical as possible or close, to improve the accuracy of test result.
In addition, in some embodiments, on the basis of the above embodiments, further, the sample soil body loads step S1 Further include before the bottom of transparent drum 100 is uniformly laid with blotter 102: covering is set on the inner wall of transparent drum 100 The metal mesh of transparent drum water outlet 107.
In these embodiments, it by the way that metal mesh is arranged, can prevent some in drainage procedure medium stone bed course 102 Gravel particle enters transparent drum water outlet 107 and results in blockage.
In addition, with reference to Fig. 4, in conjunction with Fig. 1 to Fig. 3, in some embodiments, on the basis of the above embodiments, further Ground, sample soil body filling step S1 further include after the sample soil body that the filling acquisition of the interior laminate layer of transparent drum 100 comes:
Hollow out bung 110 is set at the top of transparent drum 100, and is laid at least one layer of profit at the top of hollow out bung 110 Wet gauze.
In these embodiments, hollow out bung 110 is set and is laid with gauze on hollow out bung 110, can be prevented transparent The sample soil body in bucket 100 generates some evaporation losses in top surface, to influence test data.
In addition, in some embodiments, based on any of the above embodiments, further loading and walking in the sample soil body Further include sample soil body processing step S11 before rapid S1: this sample being pulverized to obtain the initial sample soil body after natural drying, uses circle Hole sizer is sieved to obtain the sample soil body to the initial sample soil body, to guarantee to sieve the exquisiteness of the obtained sample soil body, can be set The diameter for setting round-hole mesh is 2mm or so.
It in these embodiments, can be excessive to avoid the sample soil moisture content because of production by by this sample naturally dry And cause test data inaccurate;This sample is pulverized, the air pocket in this sample can be eliminated, the sample soil body made is more Close to undisturbed soil;The initial sample soil body is screened, the sample soil body particle arrived that can make is more tiny, in the sample soil body It is filled into transparent drum 100, when carrying out compacting step, the sample soil body is easier to be compacted.
In addition, in some embodiments, based on any of the above embodiments, further simulated groundwater position is fluctuated Testing and analyzing step S2 includes groundwater level fluctuation original state set-up procedure S21 and the adjustment of groundwater level fluctuation original state Step S22.
In groundwater level fluctuation original state set-up procedure S21: the height of adjustment transparent water tank 200 records column 201 With the scale value on transparent water tank 200, the time is recorded with stopwatch;Inlet valve 108 is opened, water level is made to flood the soil body to be measured completely, After soil body inundation to be measured reaches saturation, inlet valve 108 is closed, drain valve is opened, flows out the water in the soil body to be measured naturally;Every The moisture content that a soil moisture temperature conductivity integrated sensor 104 measures is recorded every 3min, it is aqueous when continuous record 3 times When rate is close, that is, thinks that the state is groundwater level fluctuation original state, be then turned off drain valve;
Groundwater level fluctuation original state set-up procedure S22 includes:
The height of transparent water tank 200 is adjusted using height adjustment pedestal 202, simulation reservoir level lifting records column 201 With the scale value on transparent water tank 200, the time is recorded with stopwatch;Inlet valve 108 is opened, records primary each tension every 2min The moisture content and salt content that the reading and each soil moisture temperature conductivity integrated sensor 104 that meter 103 indicates measure;
The height of fixed transparent water tank 200, records the quarter number on column 201 and transparent water tank 200, when being recorded with stopwatch Between, by adjusting the aperture of inlet valve 108, control the rate of change of water level, the rate of change of simulated groundwater position lifting, every The reading and each soil moisture temperature conductivity integrated sensor 104 that the primary each tensometer 103 of 1min record indicates are surveyed The moisture content and salt content obtained.
In addition, in some embodiments, on the basis of the above embodiments, further, the fluctuation inspection of simulated groundwater position Surveying analytical procedure S2 further includes the analog detection analytical procedure S23 under hull-borne:
The height of fixed transparent water tank 200, records the quarter number on column 201 and transparent water tank 200, when being recorded with stopwatch Between, by adjusting the aperture of drain valve, the flow event of the soil body under different drainage rates is simulated, drain valve is then opened, makes water Naturally it flows out, every the reading and each soil moisture temperature conductivity collection that the primary each tensometer 103 of 1min record indicates The moisture content and salt content measured at sensor 104.
In addition, in some embodiments, based on any of the above embodiments, further, each adjacent two tension The vertical spacing between 103 test lead is counted as 10cm, and the top surface of the test lead of the tensometer 103 of topmost and the soil body to be measured Between vertical spacing, lowest part the test lead of tensometer 103 and the bottom surface of the soil body to be measured between vertical spacing be respectively
10cm;Also,
Vertical spacing between the test lead of each adjacent two soil moisture temperature conductivity integrated sensor 104 is 10cm, and between the test lead of soil moisture temperature conductivity integrated sensor 104 and the top surface of the soil body to be measured of topmost Vertical spacing, lowest part the test lead of soil moisture temperature conductivity integrated sensor 104 and the bottom surface of the soil body to be measured between Vertical spacing be respectively 10cm.
In addition, specifically, be the data accuracy of guarantee test process, avoid the pollution of other impurities, Transparent drum, transparent water tank used in the present embodiment, hollow out partition and hollow out bung can be respectively by transparent organic glass systems At.
Finally, it should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment What is stressed is all differences from other embodiments, and same and similar part cross-reference is between each embodiment It can;The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;Although referring to foregoing embodiments pair The present invention is described in detail, those skilled in the art should understand that: it still can be to foregoing embodiments Documented technical solution is modified, or equivalent substitution of some or all of the technical features;And these are repaired Change or replaces, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. the detection method that a kind of Decline or rise of groundwater level influences seepage through soil mass and water salt Transport characterized by comprising
The sample soil body loads step, and the sample soil body that acquisition comes is loaded on to the soil body charge space of seepage through soil mass experimental rig In, form the soil body to be measured;And
Simulated groundwater position surge detection analytical procedure simulates different Decline or rise of groundwater level using the seepage through soil mass experimental rig Rate carries out artificial water-level fluctuation influence to the soil body to be measured and to the soil to be measured under different level of ground water ramp rates Soil water potential, temperature, moisture content and salt content numerical value detected to obtain groundwater level fluctuation and influence numerical value, described in record Groundwater level fluctuation influences numerical value and analyzes the seepage through soil mass and water salt of the soil body to be measured under different level of ground water ramp rates Transport.
2. the detection method that Decline or rise of groundwater level according to claim 1 influences seepage through soil mass and water salt Transport, It is characterized in that,
The seepage through soil mass experimental rig include transparent water tank, column, the internal transparent drum for being formed as the soil body charge space, Data sensor device and data acquisition device;
The transparent water tank is fixed at the position of the top positioned at the transparent drum of the column by height adjustment pedestal, The height adjustment pedestal transparent water tank can be adjusted relative to the height of the column, in the transparent water tank Cabinet wall surface on and the column on be respectively arranged with the scale extended along the vertical direction;
Transparent drum water inlet and transparent drum water outlet are provided on the side wall of the bottom of the transparent drum, at the bottom of the water tank Portion is provided with water outlet, and the water outlet is connect by lower part water supply hose with the transparent drum water inlet;
It is provided with inlet valve on the lower part water supply hose, is provided with outlet valve on the transparent drum outlet pipe;
The data sensor device includes multiple groups tensometer and soil moisture temperature conductivity integrated sensor, the multiple groups tension Meter and soil moisture temperature conductivity integrated sensor are equidistantly spaced from the peripheral wall of the transparent staving along the vertical direction, each group Tensometer and soil moisture temperature conductivity integrated sensor respectively include a respective tensometer and a soil moisture temperature Conductivity integrated sensor is spent, and, one tensometer and one soil moisture temperature conductivity integrated sensor It is highly identical,
The induction end of each tensometer and the induction end of each soil moisture temperature conductivity integrated sensor difference The inside of the transparent drum, and each tensometer and each soil moisture are stretched to across the bucket wall of the transparent drum Temperature conductivity integrated sensor is electrically connected with the data acquisition device respectively.
3. the detection method that Decline or rise of groundwater level according to claim 2 influences seepage through soil mass and water salt Transport, It is characterized in that, the sample soil body filling step includes:
The bottom of the transparent drum be uniformly laid with blotter, the blotter top be laid with hollow out partition, in institute State the sample that the top of hollow out partition is laid with the gauze of at least one layer of wetting, comes to the filling acquisition of the interior laminate layer of the transparent drum The soil body.
4. the detection method that Decline or rise of groundwater level according to claim 3 influences seepage through soil mass and water salt Transport, It is characterized in that, during the sample soil body come to the filling acquisition of the interior laminate layer of the transparent drum:
The height for inserting every layer of sample soil body of the inside of the transparent drum is 3cm to 4cm, and is successively compacted.
5. the detection method that Decline or rise of groundwater level according to claim 3 influences seepage through soil mass and water salt Transport, It is characterized in that, the sample soil body filling step further includes before the bottom of the transparent drum is uniformly laid with blotter :
Setting covers the metal mesh of the transparent drum water outlet on the inner wall of the transparent drum.
6. the detection method that Decline or rise of groundwater level according to claim 3 influences seepage through soil mass and water salt Transport, It is characterized in that, the sample soil body filling step further includes the sample soil come to the filling acquisition of the interior laminate layer of the transparent drum After body:
Hollow out bung is set at the top of the transparent drum, and is laid with the yarn of at least one layer of wetting at the top of the hollow out bung Cloth.
7. the detection method that Decline or rise of groundwater level according to claim 1 influences seepage through soil mass and water salt Transport, It is characterized in that,
Further include sample soil body processing step before the sample soil body loads step:
This sample is pulverized to obtain the initial sample soil body after natural drying, the initial sample soil body is sieved using round-hole mesh Obtain the sample soil body.
8. the Decline or rise of groundwater level according to any one of claim 2 to 7 influences seepage through soil mass and water salt Transport Detection method, which is characterized in that
The simulated groundwater position surge detection analytical procedure includes:
Groundwater level fluctuation original state set-up procedure, adjusts the height of the transparent water tank, records the column and described Scale value on bright water tank records the time with stopwatch;The inlet valve is opened, water level is made to flood the soil body to be measured, institute completely State after soil body inundation to be measured reaches saturation, close the inlet valve, open the drain valve, make water in the soil body to be measured from So outflow;The moisture content that the primary soil moisture temperature conductivity integrated sensor measures is recorded at interval of 3min, when continuous Record 3 times when moisture content is close, that is, thinks that the state is groundwater level fluctuation original state, is then turned off the drain valve; And
The not analog detection analytical procedure under hull-borne, comprising:
The height of the transparent water tank is adjusted using the height adjustment pedestal, simulation reservoir level lifting records the column With the scale value on the transparent water tank, the time is recorded with stopwatch;The inlet valve is opened, records primary each institute every 2min The moisture content and saliferous that the reading and each soil moisture temperature conductivity integrated sensor for stating tensometer expression measure Amount;
The height of the fixed transparent water tank, records the quarter number on the column and the transparent water tank, records the time with stopwatch, By adjusting the aperture of the inlet valve, the rate of change of water level is controlled, the rate of change of simulated groundwater position lifting, every The reading and each soil moisture temperature conductivity integrated sensor that the primary each tensometer of 1min record indicates The moisture content and salt content measured.
9. the detection method that Decline or rise of groundwater level according to claim 8 influences seepage through soil mass and water salt Transport, It is characterized in that, the simulated groundwater position surge detection analytical procedure further includes the analog detection analysis step under hull-borne It is rapid:
The height of the fixed transparent water tank, records the quarter number on the column and the transparent water tank, records the time with stopwatch, By adjusting the aperture of the drain valve, the flow event of the soil body under different drainage rates is simulated, drain valve is then opened, makes water Naturally it flows out, reading and each soil moisture temperature conductance every the primary each tensometer expression of 1min record The moisture content and salt content that rate integrated sensor measures.
10. the detection method that Decline or rise of groundwater level according to claim 2 influences seepage through soil mass and water salt Transport, It is characterized in that,
Vertical spacing between the test lead of tensometer described in each adjacent two is 10cm, and the survey of the tensometer of topmost The test lead and the soil to be measured of the tensometer of vertical spacing, lowest part between examination end and the top surface of the soil body to be measured Vertical spacing between the bottom surface of body is respectively 10cm;Also,
Vertical spacing between the test lead of soil moisture temperature conductivity integrated sensor described in each adjacent two is 10cm, and It is perpendicular between the test lead of the soil moisture temperature conductivity integrated sensor of topmost and the top surface of the soil body to be measured Straight interval, lowest part the soil moisture temperature conductivity integrated sensor test lead and the soil body to be measured bottom surface it Between vertical spacing be respectively 10cm.
CN201811226127.XA 2018-10-19 2018-10-19 The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport Pending CN109254033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811226127.XA CN109254033A (en) 2018-10-19 2018-10-19 The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811226127.XA CN109254033A (en) 2018-10-19 2018-10-19 The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport

Publications (1)

Publication Number Publication Date
CN109254033A true CN109254033A (en) 2019-01-22

Family

ID=65046623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811226127.XA Pending CN109254033A (en) 2018-10-19 2018-10-19 The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport

Country Status (1)

Country Link
CN (1) CN109254033A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174337A (en) * 2019-05-21 2019-08-27 河海大学 The device and method of dynamic Soil Water Retention Curves is measured in a kind of laboratory
CN110455703A (en) * 2019-09-02 2019-11-15 中南大学 A kind of test device and its test method of compacted soil vaporous water and lyotropic salt migration
CN110457794A (en) * 2019-07-26 2019-11-15 四川大学 A kind of reservoir area three-dimensional stability of slope method under the conditions of water-level fluctuation
CN110823781A (en) * 2019-11-22 2020-02-21 山东大学 Multifunctional roadbed soil moisture migration experiment model box and experiment method
CN112051383A (en) * 2020-08-27 2020-12-08 上海交通大学 Simulation experiment device for migration and transformation of pollutants in underground water level fluctuation zone

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338794A (en) * 2011-06-13 2012-02-01 云南大学 Simulated test device for seepage of underground water and simulated test method
CN105547962A (en) * 2016-01-11 2016-05-04 河南理工大学 One-dimensional simulation device for migration and transformation of solutes in underground water under high water pressure action
CN108593502A (en) * 2018-05-07 2018-09-28 吉林建筑大学 A kind of groundwater flow modeling device and monitoring method
CN108593513A (en) * 2018-01-31 2018-09-28 浙江大学 A kind of experimental rig and method for simulating the dynamic artesian water effect soil body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338794A (en) * 2011-06-13 2012-02-01 云南大学 Simulated test device for seepage of underground water and simulated test method
CN105547962A (en) * 2016-01-11 2016-05-04 河南理工大学 One-dimensional simulation device for migration and transformation of solutes in underground water under high water pressure action
CN108593513A (en) * 2018-01-31 2018-09-28 浙江大学 A kind of experimental rig and method for simulating the dynamic artesian water effect soil body
CN108593502A (en) * 2018-05-07 2018-09-28 吉林建筑大学 A kind of groundwater flow modeling device and monitoring method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174337A (en) * 2019-05-21 2019-08-27 河海大学 The device and method of dynamic Soil Water Retention Curves is measured in a kind of laboratory
CN110457794A (en) * 2019-07-26 2019-11-15 四川大学 A kind of reservoir area three-dimensional stability of slope method under the conditions of water-level fluctuation
CN110455703A (en) * 2019-09-02 2019-11-15 中南大学 A kind of test device and its test method of compacted soil vaporous water and lyotropic salt migration
CN110823781A (en) * 2019-11-22 2020-02-21 山东大学 Multifunctional roadbed soil moisture migration experiment model box and experiment method
CN112051383A (en) * 2020-08-27 2020-12-08 上海交通大学 Simulation experiment device for migration and transformation of pollutants in underground water level fluctuation zone

Similar Documents

Publication Publication Date Title
CN109254033A (en) The detection method that Decline or rise of groundwater level influences seepage through soil mass and water salt Transport
CN109324170A (en) The detection method of more scene seepage through soil mass and water salt Transport
CN104374894B (en) Small watershed different geomorphologic units water erosion process fine analog test method
CN105974088B (en) Surface subsidence experimental rig and test method caused by a kind of water level Circularly liftable
CN106018229A (en) Soil body seepage process and deformation characteristic test device and test method
CN106770928B (en) Ecology fragility mining area vegetation constrains the measuring method of lower WATER LEVEL CHANGES threshold
Pirone et al. Evaluation of the hydraulic hysteresis of unsaturated pyroclastic soils by in situ measurements
Krisdani et al. Measurement of geotextile-water characteristic curve using capillary rise principle
CN109752303A (en) A kind of discontinuous unsaturated soil rainfall infiltration physical simulation system and measuring method
Teysseire et al. Water retention in a steep moraine slope during periods of heavy rain
Pagano et al. A large physical model to simulate flowslides in pyroclastic soils
CN109709305B (en) Slope interflow simulation device and method for simulating interflow
CN109238802A (en) Soil body measurement method
Toll et al. Climate change and the role of unsaturated soil mechanics
CN110186831A (en) Controllable and simulated atmosphere natural environment atmosphere-vegetation-soil body pilot system
Kulkarni et al. Moisture distribution in bioreactor landfills: a review
Dong et al. Boundary effect on the hydraulic characteristics of gravelly soil slopes in physical model tests
O’Kane State-of-the-art performance monitoring of cover systems–Moving from point scale to macro scale approaches
Gao et al. Storm event flow and sediment simulations in a central New York watershed: Model testing and parameter analyses
An et al. Assessment of rainfall runoff based on the field measurements on an embankment
Montoya-Dominguez et al. One-dimensional experimental study of rainfall infiltration into unsaturated soil
CN105301058A (en) Imaging testing system for monitoring pollution dynamic condition of underground water and monitoring method of pollution dynamic condition of underground water
Assadollahi et al. The effect of environmental factors on the stability of residential buildings built on expansive clays
Abichou et al. Design of cost effective lysimeters for alternative landfill cover demonstrations projects
CN207396285U (en) Sponge urban green space rainwater-collecting capability analysis system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210416

Address after: 730000 No.318, Donggang West Road, Chengguan District, Lanzhou City, Gansu Province

Applicant after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS

Address before: Chengguan District of Gansu city of Lanzhou province Donggang West Road 730000 No. 260

Applicant before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences

TA01 Transfer of patent application right