CN106908368A - Simulated rainfall earth pillar permeability intensity system - Google Patents
Simulated rainfall earth pillar permeability intensity system Download PDFInfo
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- CN106908368A CN106908368A CN201710148263.0A CN201710148263A CN106908368A CN 106908368 A CN106908368 A CN 106908368A CN 201710148263 A CN201710148263 A CN 201710148263A CN 106908368 A CN106908368 A CN 106908368A
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- 230000035699 permeability Effects 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000002689 soil Substances 0.000 claims abstract description 33
- 238000001764 infiltration Methods 0.000 claims abstract description 12
- 230000008595 infiltration Effects 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000007405 data analysis Methods 0.000 claims abstract description 8
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 239000005341 toughened glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- TWFZGCMQGLPBSX-UHFFFAOYSA-N carbendazim Chemical group C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- HPNSNYBUADCFDR-UHFFFAOYSA-N chromafenozide Chemical compound CC1=CC(C)=CC(C(=O)N(NC(=O)C=2C(=C3CCCOC3=CC=2)C)C(C)(C)C)=C1 HPNSNYBUADCFDR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000005442 atmospheric precipitation Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
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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
-
- 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
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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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
- G01N2015/0813—Measuring intrusion, e.g. of mercury
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a kind of simulated rainfall earth pillar permeability intensity system, for studying Infiltration Law of the precipitation in unsaturated soil, it is characterised in that have：Rainfall simulator, including the spraying component for simulated rainfall that storage tank and the water flow circuits unit and the water flow circuits unit of storage tank connection are connected；Rain-receiving device, including it is arranged on multiple earth pillars cylinder unit, the runoff drainage cell being arranged on the outside of the earth pillar tin unit below spraying component；Data acquisition device, including be arranged in water flow circuits unit feed meter, be arranged in runoff drainage cell drain flow-meter, be separately positioned on earth pillar cylinder unit for gathering multiple sensor units of rainfall earth pillar infiltration data；Control system, the draining for the confluent to water flow circuits unit and runoff drainage cell is controlled；Data analysis set-up, for receiving the data of data acquisition device collection and the data being analyzed, obtains Infiltration Law of the precipitation in unsaturated soil.
Description
Technical field
The invention belongs to soil-water environment experimental test field, it is related to a kind of simulated rainfall earth pillar permeability intensity system.
Background technology
Municipal refuse composition mainly includes coal ash, organic (rubbish from cooking, stationery), inorganic (glass, building waste).
Because the complicated variety of domestic waste composition brings treatment and utilizes upper difficulty.Current trash processing way mainly has
Sanitary landfills treatment, compost treatment and burning etc., and sanitary landfills is major way, and many sanitary filling fields are faced with envelope
, therefore, research municipal solid wastes landfill yard bind coating composition tool be of great significance.
Soil is the best earth working material of durability in natural environment.Soil property coating is widely used in garbage stacking yard, consolidates
In useless stockyard and mine tailing, mainly it is used to prevent Atmospheric precipitation from entering in lower floor's discarded object, so as to avoid causing dirt to surrounding environment
Dye.Current soil property coating has been successfully applied to arid and semi-arid area, and under moist climate soil property coating whether
It is applicable, need further research.Soil layer is infiltrated when at present mainly using theory analysis and method for numerical simulation to rainfall
Rule is studied, and test data is obtained using rainfall simulator or test platform.
Existing rainfall simulator, some test platforms are cuboid, and the water tank hydraulic pressure of the inside is simulated to determine head
The rainfall pattern of rainfall is single, rainfall intensity is single.The pressure for not accounting for earth pillar face surface water having is acted on, and is not provided with earth's surface footpath
Stream discharge outlet.Existing rainfall simulator does not account for the influence of time, spatial variations and model surface runoff in a word, in examination
During testing, it is impossible to which the rainfall of continuous measurement rainfall, the intensity of rainfall and the type of rainfall are single, and can not continuously measure disconnected
Continuous rain fall, it is impossible to true simulated rainfall, the rule that soil layer when cannot get true rainfall is infiltrated.
The content of the invention
To solve the above problems, present invention employs following technical scheme：
The invention provides a kind of simulated rainfall earth pillar permeability intensity system, for studying precipitation entering in unsaturated soil
Ooze rule, it is characterised in that have：Rainfall simulator, including storage tank and the storage tank connection water flow circuits unit,
The spraying component for simulated rainfall being connected with the water flow circuits unit；Rain-receiving device, including it is arranged on spraying component lower section
Multiple earth pillars cylinder unit, be arranged on the earth pillar cylinder unit on the outside of runoff drainage cell；Data acquisition device, is used for into line number
According to collection, including be arranged in water flow circuits unit feed meter, be arranged in runoff drainage cell drain flow-meter,
Multiple sensor units for gathering rainfall earth pillar infiltration data are separately positioned on earth pillar cylinder unit；Control system, is used for
The draining of confluent and runoff drainage cell to water flow circuits unit is controlled；And data analysis set-up, for receiving
The data of data acquisition device collection are simultaneously analyzed to the data, obtain Infiltration Law of the precipitation in unsaturated soil.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, current are returned
Road includes water pump, the first magnetic valve and the second magnetic valve that water pipe, water inlet end are connected by the water pipe with storage tank to water unit,
First magnetic valve and the second magnetic valve respectively have a water inlet and two delivery ports, and the water inlet of the first magnetic valve passes through
Water pipe is connected with the output end of water pump, and a delivery port of the first magnetic valve is connected by water pipe with storage tank, the second magnetic valve
Water inlet connected with another delivery port of the first magnetic valve by water pipe, a delivery port of the second magnetic valve passes through water pipe
Connected with storage tank.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, structure is sprayed
Part includes the shower nozzle being connected with another delivery port of the second magnetic valve, the rainfall divider being arranged in the shower nozzle, and rainfall is equal
Dividing utensil has loose structure, and simulation raindrop are formed for dissipating moisture.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, earth pillar cylinder
Unit includes that what earth pillar tube stent, the multiple being arranged on the earth pillar tube stent stacked successively from top to bottom fills earth pillar model
Earth pillar cylinder and the first discharge casing being arranged on below earth pillar tube stent.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, earth pillar cylinder
In unit, the bottom of the earth pillar cylinder of bottom is provided with filter drain layer.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, sensor
Unit includes multiple tensometers and multiple soil moisture sensors, the radially even inside outer wall for being arranged on earth pillar cylinder of tensometer
On, the matric suction for measuring soil layer during rainfall, soil moisture sensor correspondence tensometer is arranged on inside outer wall, is used for
Measure the water content of soil layer.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, earth pillar cylinder
Material use transparent toughened glass.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, earth pillar cylinder
In unit, size scale is disposed radially on the earth pillar cylinder of the top.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, earth pillar cylinder
In unit, be evenly arranged with multiple osculums on the outer wall of the earth pillar of the top cylinder along the horizontal plane, runoff drainage cell include with
Osculum connection annular runoff drainpipe, the runoff drainpipe connection the second discharge casing, be arranged on runoff drainpipe with
The 3rd magnetic valve between second discharge casing.
The simulated rainfall earth pillar permeability intensity system that the present invention is provided, can also have the feature that：Wherein, to current
Gauge is arranged between the first magnetic valve and the second magnetic valve, drain flow-meter be arranged on the 3rd magnetic valve and the second discharge casing it
Between.
Invention effect and effect
According to the simulated rainfall earth pillar permeability intensity system that the present invention is provided, due to using the water controlled by control system
Stream circuit units, can control rainfall intensity；Due to using rainfall divider, the rainfall of different spaces distribution can be simulated；By
In using runoff drainage cell, it is possible to achieve whether there is influence of the rainwash to result of the test；Due to using data acquisition device,
Control system and data analysis set-up, can make simulated rainfall earth pillar permeability intensity system automation degree of the invention high.
Brief description of the drawings
Fig. 1 is the simulated rainfall earth pillar permeability intensity system schematic of the embodiment of the present invention；
Fig. 2 is the simulated rainfall earth pillar permeability intensity system spraying component structural representation of the embodiment of the present invention；
Fig. 3 is the simulated rainfall earth pillar permeability intensity system earth pillar cylinder cellular construction schematic diagram of the embodiment of the present invention；
Fig. 4 is the E-E schematic cross-sectional views of Fig. 3；
Fig. 5 is that the simulated rainfall earth pillar permeability intensity system sensor units of the embodiment of the present invention set schematic diagram.
Specific embodiment
Specific embodiment of the invention is illustrated below in conjunction with drawings and Examples.
<Embodiment>
Fig. 1 is the simulated rainfall earth pillar permeability intensity system schematic of the embodiment of the present invention.
As shown in figure 1, simulated rainfall earth pillar permeability intensity system (hereinafter referred to as pilot system) 100 of the present embodiment includes
Rainfall simulator 1, rain-receiving device 2, data acquisition device 3, control system 4, data analysis set-up 5.
As shown in figure 1, rainfall simulator 1 includes storage tank 11, water pipe 12, water pump 13, first the 14, second electricity of magnetic valve
Magnet valve 15, spraying component 16.
The water inlet end of water pump 13 is connected by water pipe 12 with storage tank 11.
First magnetic valve 14 and the second magnetic valve 15 respectively have a water inlet and two delivery ports, the first magnetic valve
14 water inlet is connected by water pipe 12 with the output end of water pump 13, a delivery port of the first magnetic valve 14 by water pipe 12 with
Storage tank 11 is connected.The water inlet of the second magnetic valve 15 is connected by water pipe 12 with another delivery port of the first magnetic valve 14,
One delivery port of the second magnetic valve 15 is connected by water pipe 12 with storage tank 11.
Interconnected water pipe 12, water pump 13, the first magnetic valve 14, the composition water flow circuits unit of the second magnetic valve 15 are used for
Feedwater and control feedwater water.
Fig. 2 is the simulated rainfall earth pillar permeability intensity system spraying component structural representation of the embodiment of the present invention.
As shown in Figure 1 and Figure 2, spraying component 16 includes shower nozzle 161, rainfall divider 162.
Circular shower nozzle 161 is connected by water pipe 12 with another delivery port of the second magnetic valve 15.
The rainfall divider 162 of the present embodiment has two, rounded, is horizontally mounted in shower nozzle 161, this two drops
The center of circle of rain divider 162 is located on the central axis of shower nozzle 161.
One is the equally distributed rainfall divider 162a of punching in two rainfall dividers 162, and another is in punching
Between disperse periphery dense distribution rainfall divider 162b, punching the intensive half dispersed distribution of half rainfall divider 162c,
Any one in the middle of punching in the rainfall divider 162d of intensive periphery dispersed distribution, or be both rainfall divider
162a.Can be needed to be combined according to specific experiment, make rainfall evenly, more tallied with the actual situation.
Fig. 3 is the simulated rainfall earth pillar permeability intensity system earth pillar cylinder cellular construction schematic diagram of the embodiment of the present invention.
As shown in Figure 1, Figure 3, rain-receiving device 2 includes earth pillar cylinder unit 21, runoff drainage cell 22.
Earth pillar cylinder unit 21 includes earth pillar tube stent 211, earth pillar the 212, first discharge casing 213 of cylinder.
Two earth pillar for filling earth pillar model cylinders 212 for stacking successively from top to bottom are arranged on 211 on earth pillar tube stent, the
One discharge casing 213 is placed on the lower section of earth pillar tube stent 211.
The material of the earth pillar cylinder 212 of the present embodiment uses transparent toughened glass, is easy to observation experiment result.
Two-layer earth pillar cylinder 212 is located at the underface of shower nozzle 161, and the upper end of the earth pillar cylinder 212 of top is 2cm from shower nozzle 161.
And the size of earth pillar cylinder 212 is consistent with shower nozzle 161, to ensure that the rainfall of earth pillar face is uniform, experimental error is reduced.
Fig. 4 is the E-E schematic cross-sectional views of Fig. 3.
As shown in Figure 3, Figure 4, size scale down it has been disposed radially from upper end on the outer wall of the earth pillar cylinder 212 of top
212a, and it is evenly arranged with six osculum 212b along the horizontal plane away from the 30cm of upper end.
As shown in figure 1, the bottom of the earth pillar cylinder 212 of lower section is provided with filter drain layer 212c, draining is set to flow to underface
The first discharge casing 213 in.
As Figure 1 and Figure 4, runoff drainage cell 22 includes runoff drainpipe 221, the 3rd magnetic valve 222, the second draining
Case 223.
The runoff drainpipe 221 of annular is connected with osculum 212b, and the 3rd magnetic valve 222 is by drainpipe and runoff draining
Pipe 221 is connected, and the second discharge casing 223 is connected by drainpipe with the 3rd magnetic valve 222.
As shown in figure 1, data acquisition device 3 includes feed meter 31, drain flow-meter 32, the tensometer 33, soil water
Sub-sensor 34.
Feed meter 31 is arranged in water flow circuits unit between the first magnetic valve 14 and the second magnetic valve 15, gather to
Water-carrying capacity.
Drain flow-meter 32 is arranged in runoff drainage cell 22 between the 3rd magnetic valve 222 and the second discharge casing 223, is adopted
Collection runoff drain discharge.
Fig. 5 is that the simulated rainfall earth pillar permeability intensity system sensor units of the embodiment of the present invention set schematic diagram.
As shown in Figure 1, shown in Figure 5, tensometer 33, the composition sensor unit of soil moisture sensor 34, for gathering rainfall soil
Post infiltration data.
Seven tensometers 33 are radially even to be arranged on two earth pillars 212 inside outer walls of cylinder, for measuring soil during rainfall
The matric suction of layer.
Seven correspondence tensometers 33 of soil moisture sensor 34 are arranged on inside outer wall, for measuring the aqueous of soil layer
Amount.
As shown in figure 1, control system 4 control the first magnetic valve 14 and the second magnetic valve 15, control water flow circuits unit
Confluent.Control system 4 controls the 3rd magnetic valve 222, and the draining to runoff drainage cell 22 is controlled.
Data analysis set-up 5 is in the present embodiment computer, the data and right for receiving the collection of data acquisition device 3
The data are analyzed, and obtain Infiltration Law of the precipitation in unsaturated soil.
Below in conjunction with the course of work of the simulated rainfall earth pillar permeability intensity system 100 of brief description of the drawings the present embodiment.
Selection rainfall divider 162a and rainfall divider 162a, 162b, 162c, 162d therein is needed according to experiment
It is individual be combined meet experiment the need for.
Make earth pillar model to be contained in earth pillar cylinder 212, point two-layer makes, and lower floor's sandy soil, upper strata silt, thickness is
30cm.Then two earth pillar cylinders about 212 are placed on earth pillar tube stent 211.
Appropriate water is added in storage tank 11, controls the first magnetic valve 14 to maximum with control system 4, open the second electricity
Magnet valve 15 is to A-B directions.Water pump 13 is now opened, current flow out from storage tank 11 and flowed along A-A, A-B direction, then by control
The size that system processed 4 adjusts first electromagnetic valve 14 controls water-carrying capacity.Now part water is diverted to A-D by A-A in water pipe 12
Storage tank 11 is then refluxed for, the water-carrying capacity size of A-A flow directions can be found out by feed meter 31.When feed meter 31
After show value reaches setting, the opening direction of the second magnetic valve 15 is adjusted to A-C directions, flow direction shower nozzle 161 by A-B.It is logical
Crossing rainfall and dividing equally device assembly 162 disperses current, carries out spray simulated rainfall, starts experiment.
The wetting front trend of earth pillar in earth pillar 212 observation experiments of cylinder being made through transparent toughened glass.
In experiment, control system 4 controls the 3rd magnetic valve 222 to switch, the draining of control runoff drainpipe 221, blowdown stream
Gauge 32 gathers the water-carrying capacity of runoff draining.
The matric suction of diverse location soil layer during seven measurement rainfalls of tensometer 33, seven soil moisture sensors 34 are measured
The water content of diverse location soil layer.
Data analysis set-up 5 receives the data of the collection of data acquisition device 3 and the data is analyzed, and obtains precipitation and exists
Infiltration Law in unsaturated soil.
Embodiment is acted on and effect
According to the simulated rainfall earth pillar permeability intensity system that the present embodiment is provided, due to using by control system control
Water flow circuits unit, can control rainfall intensity；Due to using rainfall divider various combination, different spaces distribution can be simulated
Rainfall；Due to using runoff drainage cell, it is possible to achieve whether there is influence of the rainwash to result of the test；Due to using data
Harvester, control system and data analysis set-up, can make simulated rainfall earth pillar permeability intensity system automation of the invention
Degree is high.
The simulated rainfall earth pillar permeability intensity system of the present embodiment in a word, with test data continuation is good, measuring accuracy
It is high, using simple to operate, high degree of automation advantage, can be to rainfall, rainfall intensity, rainfall duration and rain types and earth pillar
The research of the Infiltration Law of soil layer provides effective test data.
Claims (10)
1. a kind of simulated rainfall earth pillar permeability intensity system, for studying Infiltration Law of the precipitation in unsaturated soil, its feature
It is have：
Rainfall simulator, including storage tank and the water flow circuits unit and the water flow circuits unit of storage tank connection are connected
The spraying component for simulated rainfall；
Rain-receiving device, including be arranged on the multiple earth pillars tin unit below the spraying component, be arranged on outside earth pillar cylinder unit
The runoff drainage cell of side；
Data acquisition device, for carrying out data acquisition, including be arranged in the water flow circuits unit feed meter, set
Put the drain flow-meter in the runoff drainage cell, be separately positioned on the earth pillar cylinder unit for gathering rainfall earth pillar
Multiple sensor units of infiltration data；
Control system, the draining for the confluent to the water flow circuits unit and the runoff drainage cell is controlled；
And
Data analysis set-up, for receiving the data of data acquisition device collection and the data being analyzed, is dropped
Infiltration Law of the water in unsaturated soil.
2. simulated rainfall earth pillar permeability intensity system according to claim 1, it is characterised in that：
Wherein, the water flow circuits to water unit include water pump that water pipe, water inlet end be connected by the water pipe with the storage tank,
First magnetic valve and the second magnetic valve,
First magnetic valve and second magnetic valve respectively have a water inlet and two delivery ports,
The water inlet of first magnetic valve is connected by the water pipe with the output end of the water pump, first magnetic valve
One delivery port is connected by the water pipe with the storage tank,
The water inlet of second magnetic valve is connected by the water pipe with another delivery port of first magnetic valve, described
One delivery port of the second magnetic valve is connected by the water pipe with the storage tank.
3. simulated rainfall earth pillar permeability intensity system according to claim 2, it is characterised in that：
Wherein, the spraying component includes the shower nozzle being connected with another delivery port of second magnetic valve, is arranged on the spray
Rainfall divider in head,
The rainfall divider has loose structure, and simulation raindrop are formed for dissipating moisture.
4. simulated rainfall earth pillar permeability intensity system according to claim 1, it is characterised in that：
Wherein, the earth pillar cylinder unit includes earth pillar tube stent, the multiple being arranged on the earth pillar tube stent from top to bottom successively
The earth pillar for the filling earth pillar model cylinder for stacking and the first discharge casing being arranged on below the earth pillar tube stent.
5. simulated rainfall earth pillar permeability intensity system according to claim 4, it is characterised in that：
Wherein, in the earth pillar cylinder unit, the bottom of the earth pillar cylinder of bottom is provided with filter drain layer.
6. simulated rainfall earth pillar permeability intensity system according to claim 4, it is characterised in that：
Wherein, the sensor unit includes multiple tensometers and multiple soil moisture sensors,
The tensometer is radially even to be arranged on the inside outer wall of the earth pillar cylinder, the matrix for measuring soil layer during rainfall
Suction,
The soil moisture sensor correspondence tensometer is arranged on inside outer wall, the water content for measuring soil layer.
7. simulated rainfall earth pillar permeability intensity system according to claim 4, it is characterised in that：
Wherein, the material of the earth pillar cylinder uses transparent toughened glass.
8. simulated rainfall earth pillar permeability intensity system according to claim 4, it is characterised in that：
Wherein, in the earth pillar cylinder unit, size scale has been disposed radially on the earth pillar cylinder of the top.
9. simulated rainfall earth pillar permeability intensity system according to claim 4, it is characterised in that：
Wherein, in the earth pillar cylinder unit, multiple rows are evenly arranged with along the horizontal plane on the outer wall of the earth pillar cylinder of the top
Water hole,
The runoff drainage cell includes that the annular runoff drainpipe connected with the osculum, the runoff drainpipe are connected
Second discharge casing, the 3rd magnetic valve being arranged between the runoff drainpipe and second discharge casing.
10. simulated rainfall earth pillar permeability intensity system according to claim 9, it is characterised in that：
Wherein, the feed meter is arranged between first magnetic valve and second magnetic valve,
The drain flow-meter is arranged between the 3rd magnetic valve and second discharge casing.
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| CN201710148263.0A CN106908368B (en) | 2017-03-14 | 2017-03-14 | Rainfall simulation earth pillar infiltration test system |
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|---|---|---|---|
| CN201710148263.0A CN106908368B (en) | 2017-03-14 | 2017-03-14 | Rainfall simulation earth pillar infiltration test system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709953A (en) * | 2018-04-13 | 2018-10-26 | 北京师范大学 | A kind of simulator of belt of phreatic fluctuation |
| CN108760599A (en) * | 2018-05-16 | 2018-11-06 | 河海大学 | A kind of simulating measuring device |
| CN109060637A (en) * | 2018-09-19 | 2018-12-21 | 北京交通大学 | Unsaturated soil apparatus for measuring permeability coefficient |
| CN109115666A (en) * | 2018-08-30 | 2019-01-01 | 石家庄市政设计研究院有限责任公司 | A kind of planting soil greenbelt rain infiltration and purification of water quality performance test apparatus and method |
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| 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 |
| CN109632581A (en) * | 2019-02-19 | 2019-04-16 | 泰华智慧产业集团股份有限公司 | Groundwater quality simulation of infiltration experimental provision and application method |
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| CN112285007A (en) * | 2020-09-16 | 2021-01-29 | 山东建筑大学 | Device for simulating roadbed water loss under different rainfall intensities |
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| CN115184235A (en) * | 2022-07-04 | 2022-10-14 | 苏州科技大学 | Soil body infiltration calculation and slope analysis method based on indoor test |
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