CN110376114A - Integrated soil infiltration rate measurement combination unit and measuring method - Google Patents
Integrated soil infiltration rate measurement combination unit and measuring method Download PDFInfo
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- CN110376114A CN110376114A CN201910797689.8A CN201910797689A CN110376114A CN 110376114 A CN110376114 A CN 110376114A CN 201910797689 A CN201910797689 A CN 201910797689A CN 110376114 A CN110376114 A CN 110376114A
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- soil
- feeding tank
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Abstract
The present invention relates to laboratory soil water experiment technical fields, a kind of integration soil infiltration rate measurement combination unit, including fixing frame plate, water feed apparatus, earth pillar graduated cylinder, compaction hammer, water feed apparatus includes water feeding tank, intake chamber, connecting flange, water inlet air inlet pipe, and earth pillar graduated cylinder is set to the obliquely downward of water feeding tank；A kind of measurement method of combinations of the above device, comprising: measure in advance and calculate the conversion coefficient between the water feeding tank decline water and earth pillar graduated cylinder amount of infiltrating water；Bulk density is packed into the earth pillar graduated cylinder as required, and soil sample layering loads;Experimental water is poured into earth pillar graduated cylinder, water yield is controlled by aqueous vapor control valve and starts timing, every 10s records the water feeding tank water level reading, ground moistening peak position and corresponding time in earth pillar graduated cylinder, stops experiment when reaching and stablizing lower infiltration state.Present invention combination unit is structurally reasonable, can be directed to Different Soil, preferably control amount of infiltrating water simultaneously, measurement method is easy to operate, economical and practical.
Description
Technical field
The present invention relates to laboratory soil water experiment technical fields, in particular to a kind of integrated soil infiltration rate
Measurement combination unit and measuring method.
Background technique
The measurement of Infiltration Processes for Different Vegetation is to study the basic work of " atmospheric water-precipitation-soil water-underground water " recycle recovery
Make, the research of Soil Infiltration Characteristic is research soil moisture irrigation efficiency, the basic premise of solute migration rule.Infiltration rate is
The important physical index of Infiltration Characteristics in Field Soils is measured, and carries out the element task of soil physics research indoors.It is living in the mankind
Under the influence of dynamic, land use pattern leads to Infiltration Characteristics in Field Soils, and there are significant othernesses.Therefore it needs for difference
Type original-state soil, backfill soil and Vegetation condition carry out simulating experiment.However Different Soil infiltration rate difference
Larger, tradition is infiltrated device and is carried out using Markov bottle for water gaging, and range is fixed, and measurement flexibility is poor, is not able to satisfy difference
The measurement accuracy demand of soil types.
In conclusion problem of the existing technology is: for Different Soil, there are no being capable of preferably same time control
Amount of infiltrating water processed measures infiltration rate and meets the integrated experimental device and measuring method of different measurement accuracy demands.
Summary of the invention
The purpose of the present invention is to provide one kind: it is structurally reasonable, economical and practical, it can be directed to Different Soil, preferably
Ground controls amount of infiltrating water simultaneously, measures infiltration rate and meets different measurement accuracy demands, fast and accurate measurement soil infiltration speed
The integrated soil infiltration rate measurement combination unit of rate and easy to operate, economical and practical measurement method.
A kind of integration soil infiltration rate measurement combination unit, it is characterised in that mainly include fixing frame plate, water inlet dress
It sets, earth pillar graduated cylinder, compaction hammer, the structure of the water feed apparatus includes water feeding tank, intake chamber, connecting flange, water inlet air inlet pipe, institute
Water feeding tank is stated as closing shell, upper end is equipped with aqueous vapor control valve, and lower end is equipped with water outlet of water tank, is equipped at the water outlet of water tank
Discharging valve；
The water supply upper box part is equipped with connecting flange, and connecting flange is affixed with fixing frame plate, and intake chamber is equipped with above connecting flange,
Trench bottom of intaking is equipped with water inlet air inlet, and the water inlet air inlet is connected with the water inlet air inlet pipe of lower section, the water inlet air inlet
Pipe lower end is equipped with variable diameter water inlet air inlet connector, and the variable diameter water inlet air inlet connector is blocks, is fixedly connected with water feeding tank,
" L " type broken pipe through-hole is set in the variable diameter water inlet air inlet connector, the water inlet air inlet pipe is connected with " L " type broken pipe through-hole,
The caliber of " L " type broken pipe through-hole is less than the caliber of the water inlet air inlet pipe, outlet and the water supply lower box part phase of " L " type broken pipe through-hole
Connection, the water feeding tank bottom are placed on bracket, and the bracket and fixing frame plate are affixed, and water supply box outer wall is equipped with graduated scale；
The earth pillar graduated cylinder is set to the obliquely downward of water feeding tank, and earth pillar graduated cylinder is equipped with water inlet, discharge outlet, and the water inlet passes through
Connection hose is connected with water outlet of water tank, scupper hose is connected in the discharge outlet of lower section, earth pillar graduated cylinder outer wall also is provided with carving
Anale settting scale, earth pillar graduated cylinder is interior to be equipped with permeable partition, the bottom interval certain distance of the permeable partition and earth pillar graduated cylinder；
The structure of the compaction hammer includes handlebar, compacting plectane, and the diameter for being compacted plectane is interior with the earth pillar graduated cylinder
Diameter is adapted, for the soil pressure in earth pillar graduated cylinder is real.
Preferably, the permeable partition is the organic glass plectane with filter opening, aperture is 1mm ~ 1.5mm, filter opening ratio
Example is 30% ~ 40%.
Preferably, the diameter of the compacting plectane of the compaction hammer is less than the internal diameter of earth pillar graduated cylinder, the hand of compaction hammer
The length of shank is greater than the height of earth pillar graduated cylinder.Set water inlet, discharge outlet are anti-skidding interface on the earth pillar graduated cylinder.
A kind of measurement method of foregoing integrated soil infiltration rate measurement combination unit, it is characterised in that main
The following steps are included:
(1), the earth pillar graduated cylinder diameter is measured in advance, is measured the water feeding tank length size, is calculated under the water feeding tank
The conversion coefficient of water volume between precipitation and earth pillar graduated cylinder amount of infiltrating water；When setting water feeding tank sectional area S1, under water feeding tank
Precipitation position H1；Earth pillar graduated cylinder sectional area S2, earth pillar graduated cylinder decline water level H2；Then conversion coefficient α=H1/H2=S2/S1；
(2), it takes filter paper one to open, filter paper is cut into circle, be placed on the permeable partition in the earth pillar graduated cylinder；The size of filter paper with
The size of the permeable partition is adapted；
(3), suitable loose soil is sieved with sieve, enough screening soil is weighed by design bulk density；
(4), bulk density is packed into the earth pillar graduated cylinder as required, and soil sample layering loads, and each filled slope 3cm is every to fill one layer of use
The compaction hammer tamping, surface shaving fill at soil to the lower end 1cm of earth pillar water inlet；It, can be by sandy soil when loading sand soil
Earth pillar graduated cylinder is directly loadable into finally to be compacted again；After completing dress soil, the punching when earth pillar surface spreads a filter paper, prevents from supplying water
Brush；
(5), the discharging valve and aqueous vapor control valve for opening the water feeding tank flow out remaining water in water tank all, close discharging valve, to
Filled the water in the intake chamber, the water surface in the water feeding tank, when reaching the aqueous vapor control valve outlet height until, close
The aqueous vapor control valve；
(6), discharging valve is slowly opened, when air inlet pipe of intaking, which begins with bubble, enters water feeding tank, closes discharging valve, observation water inlet
Stable level when that is, the type broken pipe through hole " L " is stablized, records the initial water level of water feeding tank at the inflection point of lower end in air inlet pipe；
(7), water feeding tank water outlet is connected with earth pillar graduated cylinder water inlet with the connection hose；
(8), volume of water storage is needed according to the water surface elevation of the quasi- control in earth pillar graduated cylinder surface, diameter calculation out, prepares corresponding experiment and uses
Water；
(9), experimental water is poured slowly into earth pillar graduated cylinder, quickly opens the discharging valve, controlled and be discharged by aqueous vapor control valve
Timing is measured and immediately begun to, starts to test；
(10), when the experimental water penetrates into soil, the liquid level of the water feeding tank constantly declines, at the beginning infiltration rate
Fastly, every 10s record water feeding tank water level reading, ground moistening peak position and corresponding time in earth pillar graduated cylinder, later with infiltrating
Rate reduces, and reading time interval can be gradually increased, and experiment difference between reading is of substantially equal, wetting zone reaches soil sampling bottom
Until, that is, reach and stops experiment when stablizing lower infiltration state；
(11) if, the water feeding tank memory water level is when reaching I bottommost of graduated scale, ground moistening in the earth pillar graduated cylinder
Peak position does not reach soil sampling bottom also, stablizes lower infiltration state still without reaching, presses the timer times key, repeat to walk
Suddenly the subsequent number of resuming studies in (5)~(9), and record plus water time on monitoring record.
After experiment, cleaning and the dry integrated soil infiltration rate measurement combination unit.
Working principle of the present invention: the present invention is using integrated soil infiltration rate measurement combination unit, in measurement Shi Youjin
Water installations control water yield and the rate of output water, then calculate the infiltration rate of soil in earth pillar graduated cylinder.On schedule, it reads respectively
Earth pillar rod reading on water feeding tank side wall upper bottle body rod reading and earth pillar graduated cylinder side wall is read by above-mentioned two adjacent bottle body scales
Number, calculates separately water-supply quantity and soil cumulative infiltration z, draws ground moistening peak position, draw soil accumulation infiltration capacity z and
The relation curve of time t, and find out using the curve relationship of infiltration rate i and time t.
Compared with prior art, combination unit of the invention and measurement method can measure infiltration rate in a short time
It changes with time and progradation of the wetted front in soil sampling, combination unit structure is simple, easy to use, material
It is durable, it ensure that the exactness and accuracy of soil infiltration measurement, and can progradation and soil to soil wetting front
Infiltration Law is analyzed and researched.Compared with prior art, measurement method of the invention, it is easy to operate, economical and practical, using special
Combination test apparatus can be directed to Different Soil, can conveniently repeat measurement experiment in the same earth pillar graduated cylinder,
Reduce error brought by replacement experimental rig；The present invention be one kind can preferably and meanwhile control amount of infiltrating water, measurement infiltrate
Rate and meet different measurement accuracy demands, can fast and accurate measurement soil infiltration rate measurement combination unit and measurement side
Method.
Detailed description of the invention
Fig. 1 is the company of fixing frame plate, water feed apparatus, earth pillar graduated cylinder in present invention combination unit structure in embodiment 1
Connect relationship schematic view of the front view.
Fig. 2 is the overlooking structure diagram of Fig. 1.
Fig. 3 is the schematic view of the front view of compaction hammer in structure of the invention.
Fig. 4 is the overlooking structure diagram of Fig. 3.
Fig. 5 is the overlooking structure diagram of earth pillar graduated cylinder in Fig. 1.
As shown in the figure: 1 is bracket, and 2 be " L " type broken pipe through-hole, and 3 be variable diameter water inlet air inlet connector, and 4 be graduated scale I,
5 be water inlet air inlet pipe, and 6 be intake chamber, and 7 be connecting flange, and 8 be fixing frame plate, and 9 be aqueous vapor control valve, and 10 be water feeding tank, and 11 are
Water outlet of water tank, 12 be discharging valve, and 13 be connection hose, and 14 be water inlet, and 15 be graduated scale II, and 16 be earth pillar graduated cylinder, 17
It is discharge outlet for permeable partition, 18,19 be scupper hose, and 20 be water inlet air inlet, and 21 be handlebar, and 22 be to be compacted plectane, 23
For filter opening.
Specific embodiment
Embodiment 1:
- Fig. 5 referring to Fig.1, for the structural schematic diagram of present invention combination unit embodiment, a kind of integration soil infiltration rate survey
Fixed combination unit mainly includes fixing frame plate 8, water feed apparatus, earth pillar graduated cylinder 16, compaction hammer, the structure packet of the water feed apparatus
Containing water feeding tank 10, intake chamber 6, connecting flange 7, water inlet air inlet pipe 5, the water feeding tank 10 is closing shell, and upper end is equipped with aqueous vapor
Control valve 9, lower end are equipped with water outlet of water tank 11, are equipped with discharging valve 12 at the water outlet of water tank 11.
10 top of water feeding tank is equipped with connecting flange 7, and connecting flange 7 and fixing frame plate 8 are affixed, 7 top of connecting flange
Equipped with intake chamber 6,6 bottom of intake chamber is equipped with water inlet air inlet 20,5 phase of water inlet air inlet pipe of the water inlet air inlet 20 and lower section
Connection, 5 lower end of water inlet air inlet pipe are equipped with variable diameter water inlet air inlet connector 3, and the variable diameter water inlet air inlet connector 3 is bulk
Body is fixedly connected with water feeding tank 10, sets " L " type broken pipe through-hole 2, the water inlet air inlet in the variable diameter water inlet air inlet connector 3
Pipe 5 is connected with " L " type broken pipe through-hole 2, and the caliber of " L " type broken pipe through-hole 2 is less than the caliber of the water inlet air inlet pipe 5, " L " type
The outlet of broken pipe through-hole 2 is connected with 10 lower part of water feeding tank, and 10 bottom of water feeding tank is placed on bracket 1, the bracket 1 with it is solid
Fixed board frame 8 is affixed, and 10 outer wall of water feeding tank is equipped with graduated scale I 4, and scale height is 25cm.
The earth pillar graduated cylinder 16 is set to the obliquely downward of water feeding tank 10, and earth pillar graduated cylinder 16 is equipped with water inlet 14, discharge outlet 18,
The water inlet 14 is connected by connecting hose 13 with water outlet of water tank 11, and scupper hose 19 is connected in discharge outlet 18, soil
16 outer wall of column graduated cylinder also is provided with graduated scale II 15, and permeable partition 17, the permeable partition 17 and soil are equipped in earth pillar graduated cylinder 16
The bottom interval certain distance of column graduated cylinder 16.II 15 height of graduated scale is 15cm, and the permeable partition 17 is band filter opening 23
Organic glass plectane, aperture 1mm, filter opening ratio be 30%.Permeable partition 17 is arranged in scale in the earth pillar graduated cylinder 16
At 12cm scale.
The structure of the compaction hammer includes handlebar 21, compacting plectane 22, the diameter and the soil of the compacting plectane 22
The internal diameter of column graduated cylinder 16 is adapted, for the soil pressure in earth pillar graduated cylinder 16 is real.
The working principle of the invention: it by design bulk density dress soil in the earth pillar graduated cylinder 16 made of organic glass, is filled by water inlet
It sets and is supplied water by connecting hose 13 into earth pillar graduated cylinder 16, and keep constant water level, in experimentation, read respectively on schedule
It takes 10 side wall high scale scale I 4 of water feeding tank reading and earth pillar graduated cylinder side wall high scale scale II 15 to read, finds out earth pillar graduated cylinder 16
In cumulative infiltration z from starting different moments, draw the relation curve of soil accumulation infiltration capacity z and time t, and using should
Curve finds out the relationship of infiltration rate i and time t.
Embodiment 2:
Compared with Example 1, different places are: the permeable partition 17 is the organic glass plectane with filter opening 23, hole
Diameter is 1.5mm, and filter opening ratio is 35%.
The diameter of the compacting plectane 22 of the compaction hammer is less than the internal diameter of earth pillar graduated cylinder 16, the handlebar 21 of compaction hammer
Length be greater than earth pillar graduated cylinder 16 height.
Embodiment 3:
Compared with Example 2, different places are: the permeable partition 17 is the organic glass plectane with filter opening 18, hole
Diameter is 1.2mm, and filter opening ratio is 40%.Set water inlet 14, discharge outlet 18 are anti-skidding interface on the earth pillar graduated cylinder 16.
Embodiment 4:
It is a kind of to measure the measurement method combined the unit using integrated soil infiltration rate described in embodiment 1, mainly include
Following steps:
(1), 16 diameter of earth pillar graduated cylinder is measured in advance, is measured the 10 length size of water feeding tank, is calculated the water supply
Case 10 declines the conversion coefficient of the water volume between water and 16 amount of infiltrating water of earth pillar graduated cylinder；10 sectional area of water feeding tank ought be set
S1, water feeding tank 10 decline water level H1；16 sectional area S2 of earth pillar graduated cylinder, earth pillar graduated cylinder 16 decline water level H2；Then conversion coefficient α=H1/
H2=S2/S1；
(2), it takes filter paper one to open, filter paper is cut into circle, be placed on the permeable partition 17 in the earth pillar graduated cylinder 16；
(3), suitable loose soil is sieved with sieve, enough screening soil is weighed by design bulk density；
(4), bulk density is packed into the earth pillar graduated cylinder as required, and soil sample layering loads, and each filled slope 3cm is every to fill one layer of use
The compaction hammer tamping, surface shaving fill at soil to the lower end 1cm of earth pillar water inlet；It, can be by sandy soil when loading sand soil
Earth pillar graduated cylinder is directly loadable into finally to be compacted again；After completing dress soil, the punching when earth pillar surface spreads a filter paper, prevents from supplying water
Brush；
(5), the discharging valve 12 and aqueous vapor control valve 9 for opening the water feeding tank 10 flow out remaining water in water tank all, and closing discharges water
Valve 12 fills the water in Xiang Suoshu intake chamber 6, and the water surface in the water feeding tank 10 reaches 9 outlet height of aqueous vapor control valve
When until, close the aqueous vapor control valve 9；
(6), discharging valve 12 is slowly opened, when air inlet pipe 5 of intaking, which begins with bubble, enters water feeding tank 10, closes discharging valve 12,
Stable level when stablizing that is, at 2 minimum point of " L " type broken pipe through-hole, records water feeding tank in lower end inflection point in observation water inlet air inlet pipe 5
10 initial water level；
(7), water feeding tank water outlet 11 is connected with earth pillar graduated cylinder water inlet 14 with the connection hose 13；
(8), volume of water storage is needed according to the water surface elevation of the quasi- control in 16 surface of earth pillar graduated cylinder, diameter calculation out, prepares corresponding experiment
Use water；
(9), experimental water is poured slowly into earth pillar graduated cylinder 16, quickly opens the discharging valve 12, controlled by aqueous vapor control valve 9
Water yield simultaneously immediately begins to timing, starts to test；
(10), when the experimental water penetrates into soil, the liquid level of the water feeding tank 10 constantly declines, at the beginning infiltration rate
Fastly, every 10s record water feeding tank water level reading, ground moistening peak position and corresponding time in earth pillar graduated cylinder 16, later with entering
Infiltration rate rate reduces, and reading time interval can be gradually increased, and experiment difference between reading is of substantially equal, wetting zone reaches soil sampling bottom
Until portion, that is, reaches and stop experiment when stablizing lower infiltration state；
(11) if, 10 memory water level of the water feeding tank is when reaching I 4 bottommost of graduated scale, soil in the earth pillar graduated cylinder 16
Earth moistens peak position and does not reach soil sampling bottom also, stablizes lower infiltration state still without reaching, presses the timer times key,
The subsequent number of resuming studies in step (5)~(9) is repeated, and record plus water time on monitoring record.
After experiment, cleaning and the dry integrated soil infiltration rate measurement combination unit.
Working principle of the present invention: using the integrated soil infiltration rate measurement combination unit of the present invention, in measurement Shi Youjin
Water installations control water yield and the rate of output water, then calculate the infiltration rate of soil in earth pillar graduated cylinder.On schedule, it reads respectively
Earth pillar rod reading on rod reading and earth pillar graduated cylinder side wall on water feeding tank side wall, by above-mentioned two adjacent bottle body rod readings,
Calculate separately water-supply quantity and soil cumulative infiltration z, draw ground moistening peak position, draw soil accumulation infiltration capacity z and when
Between t relation curve, and find out using the curve relationship of infiltration rate i and time t.
Claims (6)
1. it is a kind of integration soil infiltration rate measurement combination unit, it is characterised in that mainly include fixing frame plate, water feed apparatus,
Earth pillar graduated cylinder, compaction hammer, the structure of the water feed apparatus includes water feeding tank, intake chamber, connecting flange, water inlet air inlet pipe, described
Water feeding tank is closing shell, and upper end is equipped with aqueous vapor control valve, and lower end is equipped with water outlet of water tank, is equipped with and puts at the water outlet of water tank
Water valve；
The water supply upper box part is equipped with connecting flange, and connecting flange is affixed with fixing frame plate, and intake chamber is equipped with above connecting flange,
Trench bottom of intaking is equipped with water inlet air inlet, and the water inlet air inlet is connected with the water inlet air inlet pipe of lower section, the water inlet air inlet
Pipe lower end is equipped with variable diameter water inlet air inlet connector, and the variable diameter water inlet air inlet connector is blocks, is fixedly connected with water feeding tank,
" L " type broken pipe through-hole is set in the variable diameter water inlet air inlet connector, the water inlet air inlet pipe is connected with " L " type broken pipe through-hole,
The caliber of " L " type broken pipe through-hole is less than the caliber of the water inlet air inlet pipe, outlet and the water supply lower box part phase of " L " type broken pipe through-hole
Connection, the water feeding tank bottom are placed on bracket, and the bracket and fixing frame plate are affixed, and water supply box outer wall is equipped with graduated scale；
The earth pillar graduated cylinder is set to the obliquely downward of water feeding tank, and earth pillar graduated cylinder is equipped with water inlet, discharge outlet, and the water inlet passes through
Connection hose is connected with water outlet of water tank, scupper hose is connected in the discharge outlet of lower section, earth pillar graduated cylinder outer wall also is provided with carving
Anale settting scale, earth pillar graduated cylinder is interior to be equipped with permeable partition, the bottom interval certain distance of the permeable partition and earth pillar graduated cylinder；
The structure of the compaction hammer includes handlebar, compacting plectane, and the diameter for being compacted plectane is interior with the earth pillar graduated cylinder
Diameter is adapted, for the soil pressure in earth pillar graduated cylinder is real.
2. integration soil infiltration rate measurement combination unit as described in claim 1, it is characterised in that it is described it is permeable every
Plate is the organic glass plectane with filter opening, and aperture is 1mm~1.5mm, and filter opening ratio is 30%~40%.
3. integration soil infiltration rate measurement combination unit as claimed in claim 1 or 2, it is characterised in that the compaction hammer
The diameter of the compacting plectane be less than the internal diameter of earth pillar graduated cylinder, the length of the handlebar of compaction hammer is greater than the height of earth pillar graduated cylinder
Degree.
4. integration soil infiltration rate measurement combination unit as claimed in claim 1 or 2, it is characterised in that the earth pillar amount
Set water inlet, discharge outlet are anti-skidding interface on cylinder.
5. integration soil infiltration rate measurement combination unit as claimed in claim 3, it is characterised in that the earth pillar graduated cylinder
Upper set water inlet, discharge outlet are anti-skidding interface.
6. a kind of measurement method of integrated soil infiltration rate measurement combination unit as claimed in claim 1 or 2, feature
It is to mainly comprise the steps that
(1), the earth pillar graduated cylinder diameter is measured in advance, is measured the water feeding tank length size, is calculated under the water feeding tank
The conversion coefficient of water volume between precipitation and earth pillar graduated cylinder amount of infiltrating water；
(2), it takes filter paper one to open, filter paper is cut into circle, be placed on the permeable partition in the earth pillar graduated cylinder；
(3), suitable loose soil is sieved with sieve, enough screening soil is weighed by design bulk density；
(4), bulk density is packed into the earth pillar graduated cylinder as required, and soil sample layering loads, and each filled slope 3cm is every to fill one layer of use
The compaction hammer tamping, surface shaving fill at soil to the lower end 1cm of earth pillar water inlet；It, can be by sandy soil when loading sand soil
Earth pillar graduated cylinder is directly loadable into finally to be compacted again；After completing dress soil, the punching when earth pillar surface spreads a filter paper, prevents from supplying water
Brush；
(5), the discharging valve and aqueous vapor control valve for opening the water feeding tank flow out remaining water in water tank all, close discharging valve, to
Filled the water in the intake chamber, the water surface in the water feeding tank, when reaching the aqueous vapor control valve outlet height until, close
The aqueous vapor control valve；
(6), discharging valve is slowly opened, when air inlet pipe of intaking, which begins with bubble, enters water feeding tank, closes discharging valve, observation water inlet
Stable level when that is, the type broken pipe through hole " L " is stablized, records the initial water level of water feeding tank at the inflection point of lower end in air inlet pipe；
(7), water feeding tank water outlet is connected with earth pillar graduated cylinder water inlet with the connection hose；
(8), volume of water storage is needed according to the water surface elevation of the quasi- control in earth pillar graduated cylinder surface, diameter calculation out, prepares corresponding experiment and uses
Water；
(9), experimental water is poured slowly into earth pillar graduated cylinder, quickly opens the discharging valve, controlled and be discharged by aqueous vapor control valve
Timing is measured and immediately begun to, starts to test；
(10), when the experimental water penetrates into soil, the liquid level of the water feeding tank constantly declines, at the beginning infiltration rate
Fastly, every 10s record water feeding tank water level reading, ground moistening peak position and corresponding time in earth pillar graduated cylinder, later with infiltrating
Rate reduces, and reading time interval can be gradually increased, and experiment difference between reading is of substantially equal, wetting zone reaches soil sampling bottom
Until, that is, reach and stops experiment when stablizing lower infiltration state；
(11) if, the water feeding tank memory water level is when reaching I bottommost of graduated scale, ground moistening in the earth pillar graduated cylinder
Peak position does not reach soil sampling bottom also, stablizes lower infiltration state still without reaching, presses the timer times key, repeat to walk
Suddenly the subsequent number of resuming studies in (5)~(9), and record plus water time on monitoring record.
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| CN102735819A (en) * | 2012-06-25 | 2012-10-17 | 西安理工大学 | Infiltrometer |
| CN203672758U (en) * | 2014-01-16 | 2014-06-25 | 内蒙古自治区林业科学研究院 | Sandy soil water infiltration rapid test device |
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| CN207423761U (en) * | 2017-11-27 | 2018-05-29 | 石河子大学 | The indoor soil-column experimental provision infiltrated for Dripping simulation |
| CN109374494A (en) * | 2018-10-10 | 2019-02-22 | 上海理工大学 | A kind of earth pillar permeability intensity system of changeable simulated rainfall form |
| CN109444017A (en) * | 2018-11-14 | 2019-03-08 | 扬州大学 | A kind of multi-functional pavement material device for testing permeability coefficient and its test method |
| CN211374440U (en) * | 2019-08-27 | 2020-08-28 | 石河子大学 | Integrated soil infiltration rate measuring combined device |
-
2019
- 2019-08-27 CN CN201910797689.8A patent/CN110376114A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735819A (en) * | 2012-06-25 | 2012-10-17 | 西安理工大学 | Infiltrometer |
| CN203672758U (en) * | 2014-01-16 | 2014-06-25 | 内蒙古自治区林业科学研究院 | Sandy soil water infiltration rapid test device |
| CN204203056U (en) * | 2014-11-24 | 2015-03-11 | 丁劲 | Soil infiltration and solute transfer experimental provision |
| CN207423761U (en) * | 2017-11-27 | 2018-05-29 | 石河子大学 | The indoor soil-column experimental provision infiltrated for Dripping simulation |
| CN109374494A (en) * | 2018-10-10 | 2019-02-22 | 上海理工大学 | A kind of earth pillar permeability intensity system of changeable simulated rainfall form |
| CN109444017A (en) * | 2018-11-14 | 2019-03-08 | 扬州大学 | A kind of multi-functional pavement material device for testing permeability coefficient and its test method |
| CN211374440U (en) * | 2019-08-27 | 2020-08-28 | 石河子大学 | Integrated soil infiltration rate measuring combined device |
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