CN207457026U - A kind of constant head earth pillar permeability intensity device - Google Patents
A kind of constant head earth pillar permeability intensity device Download PDFInfo
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- CN207457026U CN207457026U CN201721642550.9U CN201721642550U CN207457026U CN 207457026 U CN207457026 U CN 207457026U CN 201721642550 U CN201721642550 U CN 201721642550U CN 207457026 U CN207457026 U CN 207457026U
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Abstract
The utility model discloses a kind of constant head earth pillar permeability intensity devices, including earth pillar room, Markov bottle, the head control room being connected with Markov bottle and the laser level for setting Markov bottle ordinary water header value, Markov bottle is connected with water supply chamber, the V-arrangement snorkel being connected with Markov bottle is provided on the side wall of Markov bottle, dismountable blocking cap is installed on V-arrangement snorkel, head control room is arranged on the top of earth pillar room, the permeable hole to connect with earth pillar room is offered on the bottom plate of head control room, moisture meter is provided on the side wall of earth pillar room, moisture meter and the input terminal of data handling system connect.The utility model sets the constant head of Markov bottle offer by laser level, and it is adjusted using laser level easy, accurate, the accuracy of head height can be also verified by head control room simultaneously, it is supplied water in real time to Markov bottle using water supply chamber, ensure being smoothed out for entire permeability intensity, experiment is avoided to influence the accuracy of test data when interrupting.
Description
Technical field
The utility model belongs to geotechnical engineering and soil test technique field, and in particular to a kind of constant head earth pillar infiltrates examination
Experiment device.
Background technology
The soil body run into engineering construction is largely unsaturated soil, and the Infiltration Law for understanding unsaturated soil is built for engineering
If evaluation is of great significance.Earth pillar permeability intensity is a kind of important Experimental Method in Laboratory for studying unsaturated soil Infiltration Law,
Earth pillar permeability intensity is that earth pillar permeability intensity device is used to study the Moisture migration in unsaturated soil, diffusivity and infiltrate
Rate, for laboratory experiment method it is general there are two types of, constant head earth pillar, which infiltrates experiment and becomes water and soil column, infiltrates experiment, and change water and soil column enters
It oozes experiment and is suitable for the smaller soil of permeability, such as cohesive soil；Constant head earth pillar infiltrates experiment and is suitable for the larger soil of permeability,
Such as：Silt, silty loam, sandy loam, sand etc., the scope of application is more extensive, wherein, constant head earth pillar infiltrates experiment first
Need to ensure earth pillar to infiltrate water source height of water level constant.The shortcomings that existing constant head earth pillar permeability intensity device is：1. mesh
It is preceding often using soil sample bucket as sample preparation container, method for making sample is to put manipulated soil into soil sample bucket compaction in layers, due to existing soil sample
Bucket does not do any processing to the mounting hole for installing moisture meter, and soil sample obtained is uneven, affects the reliability of test data；2.
During existing constant head earth pillar permeability intensity device control head height, operation difficulty is big, and precision is difficult to guarantee, and test efficiency
It is low；3. during specific experiment, for larger-size earth pillar, due to Markov bottle finite volume, the moisture storage capacity of Markov bottle usually cannot
Meet test requirements document, cause the interruption of experiment.Therefore, design a kind of sample preparation precision it is high, can continuous water supply, head it is easy to control
Constant head earth pillar permeability intensity device is very necessary.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of ordinary water
Head earth pillar permeability intensity device.The experimental rig sets the ordinary water header value of Markov bottle offer by laser level, i.e., by swashing
Light level adjusts Markov bottle and the relative position of head control room determines the ordinary water header value that Markov bottle provides, using laser demarcation
Instrument adjusts accuracy easy, accurate, while that head height can be also verified by head control room, and uses water supply chamber to geneva
Bottle supplies water, it is ensured that entire permeability intensity is smoothed out, and experiment is avoided to influence the accuracy of test data when interrupting.
In order to solve the above technical problems, the technical solution adopted in the utility model is a kind of constant head earth pillar permeability intensity dress
It puts, it is characterised in that：The Markov bottle of constant head is provided including earth pillar room, for earth pillar room, the head control being connected with Markov bottle
Room and the laser level for setting the ordinary water header value of Markov bottle offer, the Markov bottle are connected with water supply chamber, the geneva
The V-arrangement snorkel being connected with Markov bottle is provided on the side wall of bottle, dismountable blocking cap, head are installed on V-arrangement snorkel
Control room is arranged on the top of earth pillar room, and the permeable hole to connect with earth pillar room is offered on the bottom plate of head control room, described
Be provided with to monitor the moisture meter of earth pillar indoor soil-column moisture on the side wall of earth pillar room, moisture meter and data handling system it is defeated
Enter end connection.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：Confession is offered on the side wall of the earth pillar room
The mounting hole of moisture meter installation, is equipped with dismountable blind patch in the mounting hole, the blind patch extends to earth pillar room one
The end face of side and the inner wall flush of earth pillar room.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：It is opened up on the side wall of the earth pillar room useful
In being equipped with dismountable blocking on the thief hole for obtaining soil sample in earth pillar room, the thief hole, blocking extends to earth pillar room one
The end face of side and the inner wall flush of earth pillar room.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：The quantity of the moisture meter is multiple to be multiple
Moisture meter is uniformly distributed along the extending direction of earth pillar room.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：It is equipped at the top of the head control room
Exhaust pipe is coated with ventilated membrane on exhaust pipe.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：The quantity of the earth pillar room is multiple to be multiple
Earth pillar room is laid successively up and down and two neighboring earth pillar room is connected, and two neighboring earth pillar room passes through flanged joint.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：The quantity of the Markov bottle is two.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：The bottom of the earth pillar room is provided with water storage
Room offers the permeable hole to connect with reservoir chamber on the bottom plate of earth pillar room.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：The water inlet of Markov bottle is equipped with geneva
Bottle inlet valve, the water outlet of Markov bottle are equipped with Markov bottle outlet valve, and V-arrangement snorkel is located at the upper of the water outlet of Markov bottle
Side.
A kind of above-mentioned constant head earth pillar permeability intensity device, it is characterised in that：The Markov bottle, head control room and earth pillar
Graduation mark is respectively provided on the side wall of room.
The utility model has the following advantages compared with prior art：
1. the utility model is by Markov bottle and is arranged on the top of earth pillar room and the head control being connected with earth pillar room
Room processed provides constant head to the indoor earth pillar of earth pillar, is arranged on the moisture meter being connected on the side wall of earth pillar room and with data handling system
Moisture in monitoring soil sample in real time, convenient for calculating the Physical And Mechanical Indexes of The Typical such as Moisture migration, diffusivity and the infiltration rate of earth pillar,
And the placement location of Markov bottle relative water head control room is adjusted by laser level, and then set the ordinary water that Markov bottle provides
Head, head control room can also verify whether head is constant head, easy to adjust using laser level, and usability is good, with geneva
The water supply chamber that bottle is connected can provide water source to Markov bottle in time, and earth pillar is finally made to be in continuous experiment, improves experiment
The accuracy of data.
2. blind patch and blocking of the utility model by the inner wall flush with earth pillar room, soil sample is complete made from guarantee
Whole property and uniformity, avoid the occurrence of gap or bubble phenomenon.
3. the permeable hole to connect with earth pillar room opened up on the bottom plate of the utility model head control room can make entrance
The continuity and uniformity of the indoor water of earth pillar, the similary accuracy for improving test data.
In conclusion the utility model sets the ordinary water header value of Markov bottle offer by laser level, that is, pass through laser
Level adjusts Markov bottle and the relative position of head control room determines the ordinary water header value that Markov bottle provides, using laser level
Accuracy easy, accurate, while that head height can be also verified by head control room is adjusted, and uses water supply chamber to Markov bottle
It supplies water, it is ensured that entire permeability intensity is smoothed out, and experiment is avoided to influence the accuracy of test data when interrupting.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment 1.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is enlarged drawing at the B of Fig. 1.
Fig. 4 is enlarged drawing at the C of Fig. 1.
Fig. 5 is the connection relationship diagram of the utility model blocking, blind patch, strap and earth pillar room.
Fig. 6 is the structure diagram of the utility model embodiment 2.
Fig. 7 is the structure diagram of the utility model embodiment 3.
Reference sign:
1-water supply chamber；1-1-water supply chamber outlet valve；2-Markov bottle；
2-1-Markov bottle inlet valve；2-2-V-arrangement snorkel；2-3-blocking cap；
2-4-Markov bottle outlet valve；3-head control room；3-1-exhaust pipe；
3-2-ventilated membrane；3-3-head control room inlet valve；
4-earth pillar room；4-1-blocking；4-2-blind patch；
4-3-sealant；4-4-strap；5-reservoir chamber；
6-air bleeding valve；7-permeable hole；8-laser level；
9-data handling system；10-graduation mark；11-flange；
12-sealing-plug；13-moisture meter.
Specific embodiment
Embodiment 1
A kind of constant head earth pillar permeability intensity device as depicted in figs. 1 and 2 is provided including earth pillar room 4, for earth pillar room 4
The Markov bottle 2 of constant head, the head control room 3 being connected with Markov bottle 2 and for set Markov bottle 2 offer constant head swash
Light level 8, the Markov bottle 2 are connected with water supply chamber 1, are provided with what is be connected with Markov bottle 2 on the side wall of the Markov bottle 2
Dismountable blocking cap 2-3 is installed on V-arrangement snorkel 2-2, V-arrangement snorkel 2-2, head control room 3 is arranged on the top of earth pillar room 4
Portion offers the permeable hole 7 to connect with earth pillar room 4 on the bottom plate of head control room 3, is set on the side wall of the earth pillar room 4
The moisture meter 13 of earth pillar moisture in monitoring earth pillar room 4 is useful for, moisture meter 13 is connected with the input terminal of data handling system 9.
During specific experiment, first choice priming petock into Markov bottle 2 by water supply chamber 1, after head value is set, in Markov bottle 2
Water flows into head control room 3 again, and the water in head control room 3 is through permeable hole 7 into the earth pillar room 4 for being placed with earth pillar, moisture
Moisture value in 13 monitoring earth pillar of meter, and the moisture value of monitoring is delivered to data handling system 9, pass through data handling system 9
Calculate the Physical And Mechanical Indexes of The Typical such as Moisture migration, diffusivity and the infiltration rate of earth pillar.Wherein, during experiment, Markov bottle 2 is passed through
Head control room 3 with being arranged on 4 top of earth pillar room makes earth pillar permeability intensity be carried out under ordinary water head status, i.e., need to ensure head
Height of water level keeps constant value in control room 3, in the specific implementation, it is necessary to ensure the water surface and Markov bottle 2 in head control room 3
Side wall on V-arrangement snorkel 2-2 minimum point flush, so could constantly ensure that the head in head control room 3 is normal
Head, but, it is necessary to set the constant head of the offer of Markov bottle 2, i.e., it needs to be determined that 2 phase of Markov bottle before earth pillar permeability intensity starts
It just can ensure that the head that Markov bottle 2 provides is constant head to the position of head control room 3.
Set Markov bottle 2 provide constant head when, specifically set determination process as：1. laser level 8 is adjusted
It is flat；It 2. determining the ordinary water header value of experiment, and is marked on head control room 3, then laser level 8 is projected to head control room
At the head value position marked on 3, make the head value flush of the projection line and the mark of head control room 3 of laser level 8, really
Determine the position of 8 relative water head control room 3 of laser level；3. rotary laser level 8 adjusts the placement location of Markov bottle 2, makes
The minimum point flush of the projection line of rotary laser level 8 and the V-arrangement snorkel 2-2 of Markov bottle 2, determines putting for Markov bottle 2
Seated position, the ordinary water header value that final definite Markov bottle 2 provides, while during experiment, the water surface in Markov bottle 2 cannot be below V
The minimum point of shape snorkel 2-2, can thus be ensured by Markov bottle 2 and head control room 3 experiment under the conditions of constant head into
Row.
The method that the offer constant head of Markov bottle 2 is provided using laser level 8, it is easy to adjust, and also can during testing
Whether the water surface in monitoring Markov bottle 2 is less than the minimum point of V-arrangement snorkel 2-2 in real time, so not only effectively increases experiment effect
Rate can also improve the accuracy of test data.
When it is implemented, when being combined into the offer constant head of earth pillar room 4 using head control room 3 and the matching of Markov bottle 2, positioned at soil
The head control room 3 at 4 top of column compartment uniformly can not only be infiltrated water to earth pillar by air hole 7, additionally it is possible to checking test
The stability of constant head in the process, it is ensured that the accuracy of test data.
In the present embodiment, the purpose using dismountable blocking cap 2-3 on V-arrangement snorkel 2-2 is：In experiment process
Middle dismounting blocking cap 2-3, makes Markov bottle 2 be connected with the external world, avoids with the outflow of water in Markov bottle 2, Markov bottle 2 is in negative pressure
During state, the water in Markov bottle 2 cannot be smoothly flowed into head control room 3, influence the progress of experiment；Water in Markov bottle 2
Identity distance is relatively near from V-arrangement snorkel 2-2, it is necessary to by water supply chamber 1 to 2 priming petock of Markov bottle, and blocking cap 2-3 is mounted on V-arrangement at this time
On snorkel 2-2, prevent water from being flowed out by V-arrangement snorkel 2-2.
As shown in figure 5, in the present embodiment, the mounting hole installed for moisture meter 13 is offered on the side wall of the earth pillar room 4,
Dismountable blind patch 4-2 is installed, the blind patch 4-2 extends to end face and the soil of 4 one side of earth pillar room in the mounting hole
The inner wall flush of column compartment 4；Offer to obtain the thief hole of soil sample in earth pillar room 4 on the side wall of the earth pillar room 4, it is described
Dismountable blocking 4-1 on thief hole is installed, 4-1 is blocked and extends to the end face of 4 one side of earth pillar room and the inner wall phase of earth pillar room 4
Concordantly.It is layered in earth pillar room 4 before soil sample of mating formation, it is necessary to be mounted in the mounting hole and block 4-1 by blind patch 4-2
In thief hole, mating formation for soil sample is then successively carried out in earth pillar room 4, and every layer of soil sample is tamped, due to blind patch 4-2
Extend to the end that the end face of 4 one side of earth pillar room extends to 4 one side of earth pillar room with the inner wall flush of earth pillar room 4 and blocking 4-1
The inner wall flush of face and earth pillar room 4, so make molding earth pillar smooth outer surface, it is regular uniformly, earth pillar is avoided gap occur
Or cavitations.Simultaneously in specific experiment, remove blind patch 4-2 and can still ensure the complete of earth pillar after blocking 4-1
Property improves the accuracy of test data.
As shown in figure 5, in the present embodiment, the blind patch 4-2 and blocking 4-1 are fixed on earth pillar room 4 by strap 4-4
On, the benefit using strap 4-4 is：Since impact force is larger during ramming soil sample, to blind patch 4-2 and 4-1 generations are blocked
It squeezes, therefore is fixed using strap 4-4, prevent blind patch 4-2 and block 4-1 to be extruded.
In the present embodiment, the quantity of the moisture meter 13 is multiple, and multiple moisture meters 13 are equal along the extending direction of earth pillar room 4
Even laying, the multiple moisture meters 13 uniformly distributed along the extending direction of earth pillar room 4 can be to multiple positions in earth pillar short transverse
It puts and is monitored, obtain multigroup test data, convenient for subsequently joining to soil nature such as soil sample moisture migration rule, diffusivity and infiltration rates
Several determines.
As shown in figure 4, in the present embodiment, sealant 4-3 is packed between the moisture meter 13 and the mounting hole, is sealed
Layer 4-3 can avoid the accuracy of the water exudation influence test data in earth pillar during testing.
As shown in figure 3, in the present embodiment, the top of the head control room 3 is connected with exhaust pipe 3-1, on exhaust pipe 3-1
Ventilated membrane 3-2 is coated with, ventilated membrane 3-2 permeable watertights using exhaust pipe 3-1 and are coated on ventilative on exhaust pipe 3-1
The effect of film 3-2 is：During earth pillar permeability intensity, with the progress of experiment, if not having exhaust pipe 3-1, head control room 3 will
Negative pressure state can be in, the water in head control room 3 is influenced through permeable hole 7 into earth pillar room 4, is ensured by exhaust pipe 3-1
Water in head control room 3 is smoothly through permeable hole 7 into earth pillar room 4, and the ventilated membrane 3-2 of permeable watertight can also be avoided
The head of the Influence of Evaporation head control room 3 of moisture.
In the present embodiment, the water inlet of Markov bottle 2 is equipped with Markov bottle inlet valve 2-1, the water outlet peace of Markov bottle 2
It is located at the top of the water outlet of Markov bottle 2 equipped with Markov bottle outlet valve 2-4, V-arrangement snorkel 2-2, the top of Markov bottle 2 is provided with
Gas vent is equipped with air bleeding valve 6 in the gas vent, and the water outlet of the water supply chamber 1 is equipped with water supply chamber outlet valve 1-1,
The water inlet of the head control room 3 is equipped with head control room inlet valve 3-3, passes through Markov bottle inlet valve 2-1, Markov bottle
Outlet valve 2-4 and water supply chamber outlet valve 1-1 and head control room inlet valve 3-3 is convenient for the flow of control water.
In the present embodiment, graduation mark 10, horse are respectively provided on the Markov bottle 2, head control room 3 and the side wall of earth pillar room 4
Graduation mark 10 on family name's bottle 2 can be convenient for reading Markov bottle 2 and flow into water in head control room 3, the quarter on head control room 3
Degree line 10 can the head of Real Time Observation head control room 3 whether change, so as to which the head for preventing head control room 3 becomes
The progress of experiment is influenced during change, the graduation mark 10 on earth pillar room 4 is convenient for reading the height of earth pillar.
In the present embodiment, the top of Markov bottle 2 and the top of head control room 3 are respectively provided with opening, are installed in the opening
There is dismountable sealing-plug 12.
Embodiment 2
As shown in fig. 6, the present embodiment and the difference of embodiment 1 are：The quantity of the Markov bottle 2 is two, two geneva
The water inlet pipe of bottle 2 is connected, and the outlet pipe of two Markov bottles 2 is connected, and the V-arrangement snorkel 2-2's of two Markov bottles 2 is minimum
Point closes corresponding Markov bottle with the water surface flush in head control room 3 when the water deficiency in one of Markov bottle 2
2 Markov bottle outlet valve 2-4, while the Markov bottle outlet valve 2-4 of another Markov bottle 2 is made, using water supply chamber 1 in turn to two
A Markov bottle 2 supplies water in real time in turn, it is ensured that entire permeability intensity is smoothed out, and experiment is avoided to influence test data when interrupting
Accuracy.
Embodiment 3
As shown in fig. 7, the present embodiment and the difference of embodiment 1 are：The quantity of the earth pillar room 4 is multiple, multiple earth pillars
Room is laid successively about 4 and two neighboring earth pillar room 4 is connected, and two neighboring earth pillar room 4 is connected by flange 11.Using upper
Under lay successively and purpose that multiple earth pillar rooms 4 for being detachably connected by flange 11 reach is：It can be according to required earth pillar height
The quantity of earth pillar room 4 needed for determining expands the use scope of entire experimental rig, and flange 11 is easy to connect.
In the present embodiment, the lower section of the earth pillar room 4 of bottom is provided with reservoir chamber 5, is connected with reservoir chamber 5
The permeable hole 7 to connect with reservoir chamber 5 is offered on the bottom plate of earth pillar room 4, if being not provided with reservoir chamber 5, being in earth pillar room 4
Water in the earth pillar of saturation state can not flow out, and influence the accuracy of test data, when can be by saturation state using reservoir chamber 5
Water in earth pillar penetrates into reservoir chamber 5, not only ensure that the accuracy of test data, and improves the cleannes of experimental enviroment.
The use process of the utility model：
Step 1: the shaping of earth pillar：The height of earth pillar first according to needed for experiment determines the quantity of earth pillar room 4；It uses again
Required earth pillar room 4 is attached by flange 11；Blind patch 4-2 is installed and blocks 4-1；Soil sample of successively mating formation in earth pillar room 4 is simultaneously
Successively soil sample is tamped, earth pillar is made.
Step 2: the installation of moisture meter 13：Blind patch 4-2 is removed, after moisture meter 13 is mounted on blind patch 4-2 dismountings
In mounting hole, and moisture meter 13 is made to extend in the earth pillar of step 1 shaping.
Step 3: constant head determines：Leveling laser level 8 first, the constant head needed for mark on head control room 3
Value, then laser level 8 is projected to the head value position marked on head control room 3, make the projection line of laser level 8
The head value flush marked with head control room 3；Rotary laser level 8 again adjusts the placement location of Markov bottle 2, makes rotation
Turn the minimum point flush of the projection line of laser level 8 and the V-arrangement snorkel 2-2 of Markov bottle 2, determine the placement of Markov bottle 2
Position, the ordinary water header value that final definite Markov bottle 2 provides.
Step 4: in Markov bottle 2 water injection：Open water supply chamber outlet valve 1-1, Markov bottle inlet valve 2-1 and air bleeding valve
6, blocking cap 2-3 is installed, the water in water supply chamber 1 is flowed into Markov bottle 2, when the water surface in Markov bottle 2 is close to 2 full water state of Markov bottle
When, close water supply chamber outlet valve 1-1, Markov bottle inlet valve 2-1 and air bleeding valve 6.
Step 5: opening Markov bottle outlet valve 2-4 and head control room inlet valve 3-3, blocking cap 2-3 is removed, carries out earth pillar
Permeability intensity.
The above is only the preferred embodiment of the utility model, not the utility model imposed any restrictions, every
Any simple modification, change and the equivalent structure made according to the utility model technical spirit to above example change, still
Belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a kind of constant head earth pillar permeability intensity device, it is characterised in that：Ordinary water is provided including earth pillar room (4), for earth pillar room (4)
The Markov bottle (2) of head, the head control room (3) being connected with Markov bottle (2) and the constant head for setting Markov bottle (2) offer
The laser level (8) of value, the Markov bottle (2) connect with water supply chamber (1), be provided on the side wall of the Markov bottle (2) with
The V-arrangement snorkel (2-2) that Markov bottle (2) is connected is equipped with dismountable blocking cap (2-3), head on V-arrangement snorkel (2-2)
Control room (3) is arranged on the top of earth pillar room (4), offers what is connected with earth pillar room (4) on the bottom plate of head control room (3)
Permeable hole (7) is provided with to monitor the moisture meter (13) of the interior earth pillar moisture in earth pillar room (4) on the side wall of the earth pillar room (4),
Moisture meter (13) is connected with the input terminal of data handling system (9).
2. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The earth pillar room (4)
Side wall on offer mounting hole for moisture meter (13) installation, dismountable blind patch (4-2) is installed in the mounting hole,
The blind patch (4-2) extends to the end face of earth pillar room (4) one side and the inner wall flush of earth pillar room (4).
3. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The earth pillar room (4)
Side wall on offer to obtain the thief hole of earth pillar room (4) interior soil sample, dismountable blocking is installed on the thief hole
(4-1) blocks (4-1) and extends to the end face of earth pillar room (4) one side and the inner wall flush of earth pillar room (4).
4. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The moisture meter (13)
Quantity to be multiple, multiple moisture meters (13) are uniformly distributed along the extending direction of earth pillar room (4).
5. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The head control room
(3) exhaust pipe (3-1) at the top of is installed, ventilated membrane (3-2) is coated on exhaust pipe (3-1).
6. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The earth pillar room (4)
Quantity to be multiple, multiple earth pillar rooms (4) are laid successively up and down and two neighboring earth pillar room (4) is connected, two neighboring earth pillar
Room (4) is connected by flange (11).
7. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The Markov bottle (2)
Quantity be two.
8. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The earth pillar room (4)
Bottom be provided with reservoir chamber (5), the permeable hole (7) to connect with reservoir chamber (5) is offered on the bottom plate of earth pillar room (4).
9. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：Markov bottle (2) into
Markov bottle inlet valve (2-1) is installed, the water outlet of Markov bottle (2) is equipped with Markov bottle outlet valve (2-4), V-arrangement at the mouth of a river
Snorkel (2-2) is located at the top of the water outlet of Markov bottle (2).
10. a kind of constant head earth pillar permeability intensity device according to claim 1, it is characterised in that：The Markov bottle
(2), it is respectively provided with graduation mark (10) on head control room (3) and the side wall of earth pillar room (4).
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| CN201721642550.9U CN207457026U (en) | 2017-11-30 | 2017-11-30 | A kind of constant head earth pillar permeability intensity device |
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| CN201721642550.9U CN207457026U (en) | 2017-11-30 | 2017-11-30 | A kind of constant head earth pillar permeability intensity device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211749A (en) * | 2018-07-16 | 2019-01-15 | 同济大学 | The laboratory testing rig of tunnel-liner infiltration coefficient and soil body pore pressure response under measurement fluctuation water level |
| CN110261283A (en) * | 2019-07-23 | 2019-09-20 | 桂林理工大学 | A kind of device and method measuring unsaturation clay infiltration coefficient |
| CN110850058A (en) * | 2019-11-18 | 2020-02-28 | 长安大学 | Leaching test device and using method thereof |
| CN113155701A (en) * | 2021-04-25 | 2021-07-23 | 温州大学 | Bentonite penetration-diffusion-expansive force combined test device and test method thereof |
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2017
- 2017-11-30 CN CN201721642550.9U patent/CN207457026U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211749A (en) * | 2018-07-16 | 2019-01-15 | 同济大学 | The laboratory testing rig of tunnel-liner infiltration coefficient and soil body pore pressure response under measurement fluctuation water level |
| CN110261283A (en) * | 2019-07-23 | 2019-09-20 | 桂林理工大学 | A kind of device and method measuring unsaturation clay infiltration coefficient |
| CN110850058A (en) * | 2019-11-18 | 2020-02-28 | 长安大学 | Leaching test device and using method thereof |
| CN110850058B (en) * | 2019-11-18 | 2023-11-14 | 长安大学 | Leaching test device and application method thereof |
| CN113155701A (en) * | 2021-04-25 | 2021-07-23 | 温州大学 | Bentonite penetration-diffusion-expansive force combined test device and test method thereof |
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