CN107449711A - A kind of measurement apparatus and its method of aquifer with low permeability infiltration coefficient parameter - Google Patents
A kind of measurement apparatus and its method of aquifer with low permeability infiltration coefficient parameter Download PDFInfo
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- CN107449711A CN107449711A CN201710876561.1A CN201710876561A CN107449711A CN 107449711 A CN107449711 A CN 107449711A CN 201710876561 A CN201710876561 A CN 201710876561A CN 107449711 A CN107449711 A CN 107449711A
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- 238000005259 measurement Methods 0.000 title claims abstract description 44
- 238000001764 infiltration Methods 0.000 title claims abstract description 37
- 230000008595 infiltration Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000035699 permeability Effects 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000004927 clay Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 9
- -1 banketed Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 51
- 238000005553 drilling Methods 0.000 description 22
- 238000002474 experimental method Methods 0.000 description 15
- 241001269238 Data Species 0.000 description 8
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 4
- 238000009533 lab test Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of siphon measurement apparatus of aquifer with low permeability infiltration coefficient parameter and its method, including siphon pipe, water level measuring component and measure of water element;The siphon pipe inlet end stretches into fixed level to be measured, the elevation of the siphon pipe water outlet end is less than the fixed level absolute altitude to be measured, and the fixed level to be measured includes initial fixed level, draw water the fixed level in measuring and the fixed level after measurement;The inlet end that the water level measuring component is disposed in siphon pipe is changed with the fixed level of measuring siphon tube inlet end;The measure of water element is disposed in siphon pipe water outlet end with measuring siphon tube water yield.The siphon measurement apparatus and its method of a kind of aquifer with low permeability infiltration coefficient parameter of the present invention, provide the measurement apparatus and method of the accurate reliable and short experimental period aquifer with low permeability infiltration coefficient parameter of a kind of easy to operate, water yield stabilization, data.
Description
Technical field
The present invention relates to the fields of measurement of hydrogeological environment parameter, and in particular to a kind of aquifer with low permeability infiltration system
The measurement apparatus and its method of number parameter.
Background technology
Conventional methods currently used for obtaining infiltration coefficient parameter have bailing test and water injection test, both experiments
Method is essentially all the water-bearing layer larger applied to infiltration coefficient, such as gravelly soil, sand.
Conventional bailing test is in selected drilling or in vertical shaft, to selecting water-bearing layer (group) groundwater abstraction, is formed
Artificial drawdown field, variation relation is lasted using water yield and water level decreasing, with determining water-bearing layer (group) degree of water-rich and the hydrology
The experiment of matter parameter.
Water injection test is exactly the continuous and quantitative water filling into drilling, and makes to keep certain water level in hole, passes through water level and water injection rate
Functional relation, determine AQUIFER HYDRAULIC.
Because the aquifer with low permeability discharge capacity such as clay, silt, clay containing rubble are small, watery is weak, drilling unit
Water yield is little, and the field test effect carried out in this aquifer with low permeability is not ideal.Conventional bailing test, goes out
The phenomenon of existing " dry once taking out ", the condition of stationary flow is not reached.Water injection test water level decreasing declines slowly or hardly very much, tries
It is very long to test the cycle.Therefore, the difficult point in the experiment that aquifer with low permeability is carried out is always hydrogeologic prospecting.
The main experimental method for obtaining infiltration coefficient parameter in aquifer with low permeability has:Water lifting test, laboratory experiment
And slug test.
Water lifting test be exactly with small pail in drilling, until not having water in hole, then being risen in water extraction according to water level
With the relation of time, infiltration coefficient is calculated.Although water lifting test equipment is simple and convenient to operate, by artifical influence factor
Too big, water yield is difficult to control, and dynamic water level measurement is inaccurate, causes the infiltration coefficient reliability asked for not high.
The infiltration coefficient parameter that laboratory test is asked for, because destroying the original state structure in water-bearing layer, influenceed by scale effect,
Differ very big with field test data, reach the difference of the order of magnitude.
Now external mainly take for aquifer with low permeability is slug test, and its essence is by instantaneously to drilling
Inject certain water (or other means) cause water level suddenly change, observation drilling water level recovers rule with the time, bent with standard
Line fitting determines drilling infiltration coefficient nearby.Slug test requires higher to micro- water test equipment, Completion of Drilling Hole technique, aperture,
Also it is at the initial stage at home, pertinent instruments, operational procedure etc. are also in conceptual phase.With regard to this, for aquifer with low permeability
In it is how accurate, convenient and truly obtain infiltration coefficient parameter and turn into currently the urgently to be resolved hurrily of aquifer with low permeability is asked
Topic.
The content of the invention
It is an object of the invention to provide a kind of easy to operate, water yield stabilization, data are short accurate reliable and experimental period
Aquifer with low permeability infiltration coefficient parameter measurement apparatus and its method.
To achieve the above object, the siphon measurement apparatus of a kind of aquifer with low permeability infiltration coefficient parameter of the invention,
Including siphon pipe, water level measuring component and measure of water element;
The siphon pipe inlet end stretches into fixed level to be measured, and the elevation of the siphon pipe water outlet end is less than described
Fixed level absolute altitude to be measured, the fixed level to be measured includes initial fixed level, the stabilization in measurement of drawing water
Fixed level after water level and measurement;
The water level measuring component is disposed in the inlet end of siphon pipe with the fixed level of measuring siphon tube inlet end
Change;
The measure of water element is disposed in siphon pipe water outlet end with measuring siphon tube water yield.
Preferred scheme is:The siphon pipe is from the siphon pipe that internal diameter of the pipeline is 4 millimeters;
Or, the siphon pipe selects PA flexible pipes.
Preferred scheme is:The siphon pipe is set up in parallel four tunnels;Or the siphon pipe is set up in parallel six tunnels.
Preferred scheme is:The water level measuring component selects electric fluviograph.
Quote the aquifer with low permeability infiltration coefficient parameter of the siphon measurement apparatus described in any of the above-described claim
Measuring method, comprise the following steps:
Step 1, determine the installation site of the siphon pipe;
Step 2, the siphon measurement apparatus is installed;
Step 3, guide the initial siphon of siphon pipe;
Step 4, gather positional information, the procedure parameter value of measurement gained of siphon pipe, and time parameter;
Step 5, store the corresponding informance of the positional information of the measurement apparatus, procedure parameter value and time parameter, and position
Confidence breath, procedure parameter value and time parameter;
Wherein,
In step 1, the installation site of siphon pipe includes particular geographic location and fitting depth, the installation of the siphon pipe
Position determines according to initial fixed level, wherein the buried depth of initial measure fixed level is L, wherein 10 meters of L <;
In step 2, according to the initial fixed level of measurement, by siphon pipe inlet end and the level measuring arranged member
Part stretches into fixed level to be measured, wherein the elevation of the water outlet end of the siphon pipe is less than the mark of fixed level to be measured
It is high;
In step 4, measuring the parameter value of gained includes:The water level value of fixed level to be measured, the siphon pipe water outlet
Amount and its corresponding time parameter.
Further, in step 3, the initial siphon of guiding includes:Filled into the siphon pipe of siphon measurement apparatus
Water, to siphon pipe in there is no air and rich in overbottom pressure, guide initial siphon.
Further, in step 4, the water level value of the fixed level to be measured includes fluctuation numerical value and stability number;
The fluctuation numerical value is that the fluctuation of the water level elevation in one hour is △ S, and the △ S are more than 0.1 meter;
The stability number is that the fluctuation of the fixed level elevation in one hour is △ S ', and the △ S ' are less than 0.1 meter,
The time of measuring during stability number is t, wherein t > 1 hour.
Further, the siphon pipe is from the siphon pipe that bore is 4 millimeters;
Or, the siphon pipe selects PA flexible pipes.
Further, in the step 2, the siphon pipe installs multichannel side by side:
Or, the soil property when measuring water-bearing layer be clay, banket, mud, silty clay, < containing rubble 15% silty glues
When native, the siphon pipe installs four tunnels side by side;
Or, silty clay, completely decomposed rock, the silt that the soil property when measuring water-bearing layer is stone contents 15% to 40%
When, the siphon pipe installs six tunnels side by side.
Beneficial effects of the present invention are:
One, it is of the invention compared with traditional bailing test, without with facilities such as suction pump, air compressor machines, using siphon principle without
Water pumping power, reduce power consumption;
Two, it is of the invention compared with traditional bailing test, without with facilities such as suction pump, air compressor machines, using siphon principle without
Water pumping power, its water yield is very small, one will not take out i.e. dry in bailing test hole, can make to reach stationary flow in drilling, so as to
The stable numerical value of water yield is obtained, the parameter value of storage is more reliable;
Three, compared with water lifting test, apparatus of the present invention water yield is stable, is on the one hand easy to accurately count in siphon pipe delivery port
Pump-out is measured, is on the other hand easy to the fixed level of the accurate measurement different time in suction eye, the hypotonicity obtained contains
Water layer infiltration coefficient parameter is accurately reliable, and the infiltration coefficient of calculating is more reliable, small by artifical influence factor;
Four, compared with water injection test, the test period is short, data are reliable, can complete whole experiment process within one day, without etc.
Treat the ten to fifteen days;
Five, compared with laboratory test, this method is field measurement test method, does not destroy the in-situ junction in water-bearing layer
Structure, it is directed to for whole water-bearing layer, rather than just the property for certain soil body, the parameter of acquisition is more true, can
Lean on.
Six, compared with slug test, this method experimental rig is simple, and with slug test needed for instrument, required experiment sets
Standby cost is lower, easy to use and popularization;
The present invention is a kind of easy, reliable and quick obtaining infiltration coefficient parameter field site test method, according to rainbow
Inhale principle and carry out unpowered siphon suction experiment, water yield is small and stablizes, easy to operation, and experimental data processing is stable in accordance with single hole
The theory and processing method of stream, a kind of new survey is provided for the hydrogeologic prospecting of aquifer with low permeability infiltration coefficient parameter
Measure device and measuring method.
Brief description of the drawings
The structural representation of Fig. 1 embodiments 1;
Fig. 2 geophysical profile figures;
Fig. 3 is certain hilltop landslide depth to water isogram;
Fig. 4 is certain hilltop Landslide Groundwater absolute altitude isogram.
Embodiment
With reference to Figure of description and embodiment, the present invention will be described:
Embodiment 1:
As shown in figure 1, a kind of measurement apparatus of aquifer with low permeability infiltration coefficient parameter of the present invention, the measurement apparatus
Tested suitable for siphon suction, including siphon pipe 3, water level measuring component 4 and measure of water element 5.
The fixed level 6 to be measured that the inlet end of siphon pipe 3 is stretched into bailing test hole 2, the siphon pipe 3 go out
The elevation at mouth of a river end is less than the water surface absolute altitude of the fixed level 6 to be measured, and the fixed level 6 to be determined includes drawing water
The fixed level after the completion of dynamic stability water level and bailing test when before the initial fixed level, bailing test before experiment.
The water level measuring component 4 is disposed in the inlet end of siphon pipe 3 with the to be measured of the inlet end of measuring siphon tube 3
Fixed level 6 change, wherein, the water level measuring component 4 selects electric fluviograph.
The measure of water element 5 is disposed in the water outlet end of siphon pipe 3 with measuring siphon tube water yield.
The siphon pipe 3 is set up in parallel four tunnels or six from the PA flexible pipes that internal diameter of the pipeline is 4 millimeters, the siphon pipe 3
Road.
The measuring method of the aquifer with low permeability infiltration coefficient parameter of the present invention, comprises the following steps:
Step 1, determine the installation site of the siphon pipe 3;
Step 2, the measurement apparatus is installed;
Step 3, guide the initial siphon of siphon pipe 3;
Step 4, gather positional information, the procedure parameter value of measurement gained of siphon pipe 3, and time parameter;
Step 5, store the corresponding informance of the positional information of the measurement apparatus, procedure parameter value and time parameter, and position
Confidence breath, procedure parameter value and time parameter;
Wherein,
In step 1, the installation site of siphon pipe 3 includes particular geographic location and the installation of the inlet end of siphon pipe 3 is deep
Degree, the installation site of the siphon pipe 3 determines according to initial stable water, wherein the buried depth of the initial fixed level is
L, wherein 10 meters of L <.
In step 2, according to the incipient stability water level of measurement gained, by siphon pipe inlet end and the level measuring arranged
Element stretches into initial fixed level, wherein the elevation of the water outlet end of the siphon pipe is less than the mark of fixed level to be measured
It is high.
In step 2, the siphon pipe installs four tunnels or six tunnels according to following situations:
Soil property when measuring water-bearing layer is clay, banketed, mud, silty clay, < containing rubble 15% silty clay
When, the siphon pipe 3 installs four tunnels side by side;
When soil property when measuring water-bearing layer is the silty clay, completely decomposed rock, silt of stone contents 15% to 40%, institute
State siphon pipe 3 and be set up in parallel six tunnels;
Wherein, the siphon pipe is from the PA flexible pipes that bore is 4 millimeters.
In step 3, the initial siphon of guiding includes:Water is filled into the siphon pipe of siphon measurement apparatus, to siphon pipe
It is interior there is no air and rich in overbottom pressure, guide initial siphon.
In step 4, measuring the parameter value of gained includes:The water level value of fixed level to be measured, the siphon pipe go out
Water and its corresponding time parameter, the water level value of the fixed level to be measured include fluctuation numerical value and stability number;
The fluctuation numerical value is that the fluctuation of the water level elevation in one hour is △ S, and the △ S are more than 0.1 meter;
The stability number is that the fluctuation of the fixed level elevation in one hour is △ S ', and the △ S ' are less than 0.1 meter,
The time of measuring during stability number is t, wherein t > 1 hour.
It is real that measurement apparatus and measuring method from above-mentioned aquifer with low permeability infiltration coefficient parameter carry out siphon suction
Test, specific experiment comprises the following steps:
1. fixed level preliminary survey.To in bailing test hole 2 to initial fixed level carry out preliminary survey, the reality of drawing water of selection
Verify 2 initial fixed level buried depth within 10 meters, ensure that bailing test has and certain fall journey.
2. siphon pipe 3 is laid, from 4mmPA flexible pipes as siphon pipe, various combination siphon pipe 3 is carried out respectively and is taken out
Water test, with obtain it is multiple fall journey be used for calculation permeability coefficient.
Significantly, since siphon suction experiment is the gravity flow that utilized head difference is carried out, maximum is drawn water depth in drilling
Degree is the height that free head overcomes a standard atmospheric pressure, therefore the buried depth of siphon suction test theory maximum stable water level is
10 meters, it is necessary to assure the elevation of the water outlet end of siphon pipe 3 is meeting water less than the absolute altitude of the water surface of fixed level to be measured
After head difference requires, siphon pipe is arranged according to orographic condition on the slope.
3. the initial siphon of guiding, will fill water in siphon pipe, then under into bailing test hole 11 meters of depths, treat that siphon pipe is put
After putting in place, stop the water filling into siphon pipe, keep there is no air and rich in overbottom pressure in siphon pipe, by the water outlet of siphon pipe 3
Mouthful end (i.e. water filling port) is placed at specified elevation, and now by siphonage, the underground water in drilling flows out automatically.
4. the water level in bailing test hole 2, water and corresponding time record, level of ground water uses electrical measurement in bailing test hole
Water-level gauge measures, and observed reading is accurate to 0.01m;The measure of water element 5 of the delivery port of siphon pipe 3 carries out reading from water meter,
Meter reading is accurate to 10-4m3。
In 10 minutes to be drawn water during experiment after starting, single reading is read within each minute, be changed to read within every 5 minutes once to read thereafter
Number, until after stable, it is changed to read single reading in every 30 minutes.
During experiment, the water level value of fixed level when just starting to draw water is a fluctuation numerical value, is embodied in small at one
When interior water level elevation fluctuate △ S more than 0.1 meter;
Stable to refer to fixed level in water pumping experiment, the fixed level fluctuation △ S ' in a hour are less than 0.1 meter,
The time of measuring of stability number should be not less than 1 hour during experiment.
So-called " stabilization " has the measurement foundation of two aspects, and one is that the water yield that same time step is observed maintains not substantially
Become, two be that drilling water level maintains stable state substantially.
5. drawing curve according to the parameter of the AQUIFER HYDRAULIC of measurement gained, the radius of influence, infiltration coefficient are calculated, is painted
S-t (drawdown-time) curve, Q-t (water yield-time) curves and Q-S (water yield-drawdown) curve processed, and transported by iteration
Calculate, calculate radius of influence R and coefficient of permeability K.
It is application example below
One, Practical Project hydrogeology overview:
Water-bearing media be distributed mainly on it is domatic, it is obvious that low-resistance region is predominantly aqueous from Fig. 2 geophysical profiles
Layer, slope top water-bearing layer lithology is mainly completely decomposed vitric tuff containing dust, and thickness is 6~55m;Slope bottom water-bearing layer
It the 4th is slide rock rubble containing cohesive soil, dust that lithology, which is, 4~32m of thickness.
From plane, slope top and slope bottom depth to water are shallower, between 2~6m, middle part ZK7,
Nearby depth to water is larger by ZKG3, ZK9, ZK13, between 11~14m.
Underground water is mainly from domatic top to bottom runoff, wherein slope top ZK5 to ZKG3 sloped region Groundwaters
Power gradient is larger, and present situation landslide area ZKG3 is smaller to ZK28 speed hydraulic gradients.
Two, test situation:
This task is contained from No. ZK23 drilling and No. ZK4 drilling in upper ramps area of slope bottom as hypotonicity
The bailing test hole of the siphon measurement of water layer infiltration coefficient parameter.
ZK23 siphon suctions test period be on April 28,24 days~2017 April in 2017 (be within 25th, 26 light rain~in
Rain, remaining is fine day), 3mmPA pipes, all the way 4mmPA pipes, two-way 4mmPA pipes, four road 4mmPA pipes, six tunnels all the way have been respectively adopted
4mmPA pipes are tested as a comparison.Five groups are obtained altogether falls journey.
ZK4 siphon suctions test period is May 16 14 days~2017 May (being fine day) in 2017.Employ two
Road 4mmPA pipes, four road 4mmPA pipes, six road 4mmPA pipes are tested as a comparison.Three groups are obtained altogether falls journey.
Three, test data:
The ZK23 of subordinate list 1 drilling siphon suction test datas (roads of 4mm mono- pipe)
According toFormula
Wherein Q=0.003784L/s, H=26.4m, S=2.636m, r=0.03m
Iterative calculation is tried to achieve
K1=3.08 × 10-3m/d, R=1.51m
The ZK23 of subordinate list 2 drilling siphon suction test datas (roads of 3mm mono- pipe)
According toFormula
Wherein Q=0.0015L/s, H=26.4m, S=2.016m, r=0.03m
Iterative calculation, is tried to achieve
K2=2.18 × 10-3m/d, R=0.488m
The ZK23 of subordinate list 3 drilling siphon suction test datas (4mm two-way pipe)
According toFormula
Wherein Q=0.004833L/s, H=26.4m, S=3.84m, r=0.03m
Iterative calculation, is tried to achieve
K3K2=3.03 × 10-3m/d, R=2.17m
The ZK23 of subordinate list 4 drilling siphon suction test datas (roads of 4mm tetra- pipe)
According toFormula
Wherein Q=0.004983L/s, H=26.4m, S=5.298m, r=0.03m are iterated to calculate, and are tried to achieve
K4K3=2.45 × 10-3m/d, R=2.69m
The ZK23 of subordinate list 5 drilling siphon suction test datas (roads of 4mm six pipe)
According toFormula
Wherein Q=0.004167L/s, H=26.4m, S=5.68m, r=0.03m
Iterative calculation, is tried to achieve
K5K4=1.90 × 10-3m/d, R=2.54m
Infiltration coefficient is averaged:
The ZK4 of subordinate list 6 drilling siphon suction test datas (4mm two-way pipe)
According toFormula
Wherein Q=0.0124L/s, H=44.8m, S=0.584m, r=0.055m
Iterative calculation, is tried to achieve
K=0.020m/d, R=1.20m
The ZK4 of subordinate list 7 drilling siphon suction test datas (roads of 4mm tetra- pipe)
According toFormula
Wherein Q=0.014667L/s, H=44.8m, S=1.106m, r=0.055m are iterated to calculate, and are tried to achieve
K=0.0147m/d, R=1.93m
The ZK4 of subordinate list 8 drilling siphon suction test datas (roads of 4mm six pipe)
According toFormula
Wherein Q=0.02722L/s, H=44.8m, S=1.512m, r=0.055m
Iterative calculation, is tried to achieve
K=0.0229m/d, R=3.31m
Infiltration coefficient is averaged:
Five, result of the test:
The siphon suction experiment of the measuring method of water-bearing layer Thief zone coefficient parameter is employed, is found according to result of the test,
Slope top AQUIFER HYDRAULIC is 1.92 × 10-2m/d;Slope bottom AQUIFER HYDRAULIC is 2.528615 × 10- 3M/d (table 9).The permeability in slope upper ramps water-bearing layer is more than slope bottom.
K, R result of calculation list are tested in the siphon suction of table 9
From the point of view of in watery (table 10), the accumulative pump-out in slope top ZK4 holes is (generally in 1~2m3/ d) it is more than ZK23
Hole is (generally in 0.4~0.5m3/ d), illustrate that the watery on slope top is better than slope bottom.
Integrated flow list is tested in the siphon suction of table 10
Result of the test with《Engineering geology handbook (fourth edition)》The engineering experience value of offer is coincide substantially.
The above described in this specification is only illustration made for the present invention.Affiliated skill in the present invention
The technical staff in art field can make various modifications or supplement or using similar to described specific implementation case
Mode substitutes, and content without departing from specification in the present invention or surmounts scope defined in the claims, all should
The protection domain belonged in the present invention.
Claims (9)
- A kind of 1. siphon measurement apparatus of aquifer with low permeability infiltration coefficient parameter, it is characterised in that:Including siphon pipe, water level Measuring cell and measure of water element;The siphon pipe inlet end stretches into fixed level to be measured, and the elevation of the siphon pipe water outlet end is less than described to be measured The fixed level absolute altitude of amount, the fixed level to be measured includes initial fixed level, the fixed level in measurement of drawing water And the fixed level after measurement;The inlet end that the water level measuring component is disposed in siphon pipe is changed with the fixed level of measuring siphon tube inlet end;The measure of water element is disposed in siphon pipe water outlet end with measuring siphon tube water yield.
- 2. the siphon measurement apparatus of aquifer with low permeability infiltration coefficient parameter as claimed in claim 1, it is characterised in that:Institute Siphon pipe is stated from the siphon pipe that internal diameter of the pipeline is 4 millimeters;Or, the siphon pipe selects PA flexible pipes.
- 3. the siphon measurement apparatus of aquifer with low permeability infiltration coefficient parameter as claimed in claim 1 or 2, its feature exist In:The siphon pipe is set up in parallel four tunnels;Or, the siphon pipe is set up in parallel six tunnels.
- 4. the siphon measurement apparatus of aquifer with low permeability infiltration coefficient parameter as claimed in claim 1 or 2, its feature exist In:The water level measuring component selects electric fluviograph.
- 5. quote the survey of the aquifer with low permeability infiltration coefficient parameter of the siphon measurement apparatus described in any of the above-described claim Amount method, comprises the following steps:Step 1, determine the installation site of the siphon pipe;Step 2, the siphon measurement apparatus is installed;Step 3, guide the initial siphon of siphon pipe;Step 4, gather positional information, the procedure parameter value of measurement gained of siphon pipe, and time parameter;Step 5, store the corresponding informance of the positional information of the measurement apparatus, procedure parameter value and time parameter, and position letter Breath, procedure parameter value and time parameter;Wherein,In step 1, the installation site of siphon pipe includes particular geographic location and fitting depth, the installation site of the siphon pipe Determined according to initial fixed level, wherein the buried depth of initial fixed level is L, wherein 10 meters of L <;In step 2, according to the initial fixed level of measure, siphon pipe inlet end and the water level measuring component arranged are stretched Enter initial fixed level, wherein the elevation of the water outlet end of the siphon pipe is less than the absolute altitude of fixed level to be measured;In step 4, measuring the parameter value of gained includes:The water level value of fixed level to be measured, the siphon pipe water yield and Its corresponding time parameter.
- 6. the measuring method of the aquifer with low permeability infiltration coefficient parameter as described in right 5, it is characterised in that:In step 3, The initial siphon of guiding includes:Fill water into the siphon pipe of siphon measurement apparatus, to siphon pipe in there is no air and rich Overbottom pressure, guide initial siphon.
- 7. the measuring method of the aquifer with low permeability infiltration coefficient parameter as described in claim 5 or 6, it is characterised in that:Step In rapid four, the water level value of the fixed level to be measured includes fluctuation numerical value and stability number;The fluctuation numerical value is that the fluctuation of the water level elevation in one hour is △ S, and the △ S are more than 0.1 meter;The stability number is that the fluctuation of the fixed level elevation in one hour is △ S ', and the △ S ' are described steady less than 0.1 meter Time of measuring during fixed number value is t, wherein t > 1 hour.
- 8. the measuring method of the aquifer with low permeability infiltration coefficient parameter as described in claim 5 or 6, it is characterised in that:Institute Siphon pipe is stated from the siphon pipe that bore is 4 millimeters;Or, the siphon pipe selects PA flexible pipes.
- 9. the measuring method of aquifer with low permeability infiltration coefficient parameter as claimed in claim 8, it is characterised in that:The step In rapid two, the siphon pipe installs multichannel side by side:Or, the soil property when measuring water-bearing layer is clay, banketed, mud, silty clay, < containing rubble 15% silty clay When, the siphon pipe installs four tunnels side by side;Or, the soil property when measuring water-bearing layer is the silty clay of stone contents 15% to 40%, completely decomposed rock, silt when, institute State siphon pipe six roads siphon pipe arranged side by side.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110644985A (en) * | 2019-08-25 | 2020-01-03 | 青海中煤地质工程有限责任公司 | Simple water pumping device for hydrogeological exploration and water pumping test method |
CN111460675A (en) * | 2020-04-10 | 2020-07-28 | 安徽理工大学 | Low-permeability aquifer group hole sparse reduction multi-objective optimization method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102455200A (en) * | 2010-10-22 | 2012-05-16 | 中国农业科学院农业资源与农业区划研究所 | Farmland or sloping field runoff water flow monitoring device |
JP2012127673A (en) * | 2010-12-13 | 2012-07-05 | Yonden Gijutsu Consultant:Kk | Permeability testing device |
CN104234119A (en) * | 2014-08-22 | 2014-12-24 | 胡伟 | Rapidly-established siphon pipeline device and siphon method thereof |
WO2016093471A1 (en) * | 2014-12-09 | 2016-06-16 | 효림산업주식회사 | Unpowered contaminated groundwater purifying system using siphon |
CN105821830A (en) * | 2016-05-05 | 2016-08-03 | 浙江大学 | Permeation increase siphon drainage system for low-permeability soil slope |
-
2017
- 2017-09-25 CN CN201710876561.1A patent/CN107449711A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102455200A (en) * | 2010-10-22 | 2012-05-16 | 中国农业科学院农业资源与农业区划研究所 | Farmland or sloping field runoff water flow monitoring device |
JP2012127673A (en) * | 2010-12-13 | 2012-07-05 | Yonden Gijutsu Consultant:Kk | Permeability testing device |
CN104234119A (en) * | 2014-08-22 | 2014-12-24 | 胡伟 | Rapidly-established siphon pipeline device and siphon method thereof |
WO2016093471A1 (en) * | 2014-12-09 | 2016-06-16 | 효림산업주식회사 | Unpowered contaminated groundwater purifying system using siphon |
CN105821830A (en) * | 2016-05-05 | 2016-08-03 | 浙江大学 | Permeation increase siphon drainage system for low-permeability soil slope |
Non-Patent Citations (2)
Title |
---|
任姗姗;尚岳全;何婷婷;蔡岳良;: "边坡虹吸排水数值模拟方法及应用" * |
舒群,张文德: "虹吸法排除滑坡体中的深层地下水" * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110644985A (en) * | 2019-08-25 | 2020-01-03 | 青海中煤地质工程有限责任公司 | Simple water pumping device for hydrogeological exploration and water pumping test method |
CN111460675A (en) * | 2020-04-10 | 2020-07-28 | 安徽理工大学 | Low-permeability aquifer group hole sparse reduction multi-objective optimization method |
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