CN106053762B - A kind of embankment seepage flow along the lake and deformation behaviour experimental rig - Google Patents
A kind of embankment seepage flow along the lake and deformation behaviour experimental rig Download PDFInfo
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- CN106053762B CN106053762B CN201610518241.4A CN201610518241A CN106053762B CN 106053762 B CN106053762 B CN 106053762B CN 201610518241 A CN201610518241 A CN 201610518241A CN 106053762 B CN106053762 B CN 106053762B
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- 239000002689 soil Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229920005372 Plexiglas® Polymers 0.000 claims abstract description 33
- 229920005479 Lucite® Polymers 0.000 claims abstract description 27
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 27
- 239000011148 porous material Substances 0.000 claims abstract description 23
- 238000004062 sedimentation Methods 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000002474 experimental method Methods 0.000 claims abstract description 7
- 238000005553 drilling Methods 0.000 claims description 24
- 239000011521 glass Substances 0.000 claims description 8
- 238000010998 test method Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000002791 soaking Methods 0.000 abstract 1
- 238000007654 immersion Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- 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
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- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of embankment seepage flow along the lake and deformation behaviour experimental rig and its test method, the device is divided into three parts, and Part I is experimental rig, including rectangle plexiglass box, porous lucite spacer；Part II is measurement apparatus, including soil pressure cell, pore pressure gauge, detector for water content rate, sedimentation bar, stress-strain test instrument；Part III is water supply installation, including water tank, booster pump, flow controller, aqueduct.Three above part is tightly combined, cooperation.Porous lucite spacer is fixed first during experiment, the soil body to be tested then is filled in rectangle plexiglass box, test device is installed during filling, finally opens water supply installation, the unilateral situation about soaking of embankment along the lake is simulated with this.Inside soil body pore water pressure during embankment side is soaked is observed by using the measurement apparatus for being embedded in different soil, moisture content, a series of change such as soil pressure and its deformation, obtains the different embankment soil bodys, seepage flow and deformation rule under the conditions of unilateral soak.
Description
Technical field
The present invention relates to a kind of embankment seepage through soil mass along the lake and deformation behaviour experimental rig.The device can simulate road along the lake
A series of changes such as embankment soil moisture content, pore water pressure, soil pressure and deformation under the conditions of dike soaks in one side.This invention is also
It is related to the application method of the experimental rig.
Background technology
At present, the problem of Inundation Deformation of embankment has become highway, railway territory is very important, caused by embankment deformation
Traffic accident happen occasionally.The immersion sedimentation and deformation problem of embankment especially along the lake especially serious, embankment soaks in one side
In the case of uneven sedimentation occurs, it is seen that water enter the embankment soil body be the main reason for causing sedimentation and deformation.Water is in embankment soil
Along with a series of change such as soil body pore water pressure, moisture content, soil pressure while body causes sedimentation.This experimental provision with
And to embankment along the lake, the seepage flow of the soil body and the research of deformation behaviour under the conditions of the immersion of one side are significant test method.
The existing immersion settling test carried out to the soil body is largely directed to loess, and test method is greatly both for condition of raining
Under to soil body settling test, the experiment of correlation is done to seepage flow and sedimentation and deformation native under the conditions of the unilateral immersion of the soil body,
More without system to the relation during embankment seepage through soil mass between sedimentation and deformation and soil moisture content, soil pressure, pore water pressure
Studied.Therefore a kind of observation seepage through soil mass and the dress of deformation under the conditions of can simulating the unilateral immersion of embankment along the lake are devised
Put, the device will also realize the lasting observation to changes such as soil moisture content, pore water pressure, soil pressures, above-mentioned to analyze
Change and the relation of soil deformation
The content of the invention
The problem to be solved in the present invention be observed under the conditions of a kind of embankment along the lake of design soaks in one side embankment soil seepage flow with
And the experimental rig of deformation behaviour, and being capable of continuous observation soil moisture content, pore water pressure, soil pressure in flow event
Etc. a series of change.
In order to solve the above-mentioned technical problem, the present invention provides a kind of embankment seepage flow along the lake and deformation behaviour experimental rig, should
Device is divided into three parts, and Part I is experimental rig, including rectangle plexiglass box, porous lucite spacer；The
Two parts are measurement apparatus, including soil pressure cell, pore pressure gauge, detector for water content rate, sedimentation bar, stress-strain test
Instrument；Part III is water supply installation, including water tank, booster pump, flow controller, aqueduct.
The embankment seepage flow along the lake and deformation behaviour experimental rig integral layout are：In rectangle plexiglass box wherein one
Individual short side is provided with delivery port, and porous lucite spacer is fixed on the inside of the delivery port；It is described to hold in rectangle lucite
The long side side wall of device is drilled with 48 drillings, and this 48 boring to install detector for water content rate, soil pressure cell, pore water pressure
Meter；The soil pressure cell, pore pressure gauge are connected with the stress-strain test instrument outside rectangle plexiglass box；The square
The outside of shape plexiglass box, which is provided with water supply installation, includes water tank, booster pump, flow controller, aqueduct；The rectangle has
The top of machine glass container is provided with fixed ruler and is used for fixed sedimentation bar.
The rectangle plexiglass box is made up of lucite, and the long side of the container is 1240mm, short side 540mm,
Highly it is 1820mm, the wall thickness of rectangle plexiglass box is 20mm；Where the one of long side of rectangle plexiglass box
Flank hole 24, it is divided into 4 row each columns and drills 6, a diameter of 15mm each to drill, and adjacent two drilling circle up and down
The distance between heart is 240mm, the circle center distance rectangle plexiglass box inside bottom 240mm of bottom drilling；This 24
The symmetric position of individual drilling bores 24 a diameter of 20mm drilling in addition；In this 48 drillings after setting completed, it is organic in rectangle
100mm centre position sets a diameter of 20mm water outlet at the top of lateral distance where the one of short side of glass container
Mouthful.
The porous lucite spacer is fixed apart from the position of 20mm on the inside of delivery port, and the porous lucite spacer is thick
It is that 498mm is highly the circular hole that is uniformly covered with a diameter of 3mm on its face of 1680mm for 5mm, long side.
The fixed ruler is long 540mm, wide 20mm, and thick 10mm lucite is made, and is provided with fixed ruler center straight
Footpath is 18mm circular hole, sets the circular hole of two same diameters, fixed ruler respectively apart from circular hole center of circle 120mm upper-lower position
On this 3 circular holes be used for that sedimentation bar is installed, such fixed ruler sets altogether 4, between fixed ruler at intervals of 240mm.
The sedimentation bar includes interior bar and casing, and the wherein a diameter of 16mm of casing is fixed on fixed ruler, when rectangle has
Interior bar will synchronously sink when the soil body in machine glass container settles, and interior bar is marked with scale, and range is 0~100mm, and precision is
1mm。
The present invention provides a kind of embankment seepage flow along the lake and deformation behaviour experimental rig and its test method, and test procedure is such as
Under：
Step 1: whether checkout facility device each several part can use, porous lucite spacer is fixed, and is ready to test
The required soil body；
Step 2: the soil body is subjected to placement in layers according to the compactness required for experiment and moisture content, during banketing
Detector for water content rate is installed whenever a diameter of 15mm drillings are reached, soil pressure is installed when reaching a diameter of 20mm drilling
Box, pore pressure gauge simultaneously draw both device wires in drill hole, and ensure that horizontal range between the two is
20mm, then with glass cement by borehole sealing；
Step 3: continue to banket until the height arrival 1680mm to banket, then in porous lucite spacer and rectangle
The gravel that diameter is more than 3mm is filled between plexiglass box, the height for filling gravel is 1680mm；
Step 4: fixed ruler and sedimentation bar are installed, it is then that detector for water content rate hot- line test is good, and by soil
Pressure cell and pore pressure gauge are connected with stress-strain test instrument and have debugged device respectively；
Step 5: water supply installation is opened, and ensure there is unnecessary water to be flowed out in delivery port, ensured by flow controller
The liquid level of water is no more than delivery port；
Step 6: to devices such as soil pressure cell, detector for water content rate, pore pressure gauge, sedimentation bars in water supply process
It is observed simultaneously record data；
Step 7: the soil sample taking-up completed will be tested, the type or soil compaction degree of the soil body, repeat step are readjusted
Two arrive step 6.
It is of the invention using the embankment seepage flow along the lake and deformation behaviour experimental rig and its test method of above-mentioned technical proposal
Innovation is：Punching design has been carried out in the side wall diverse location of experimental rig rectangle plexiglass box, so can be with
Lasting, comprehensive sight is carried out to the seepage flow and sedimentation and deformation of the soil body by the equipment at the top of different soil and soil layer
Survey, the experimental rig really realizes the research to seepage flow and deformation behaviour under the conditions of the unilateral immersion of embankment.
Experimental rig simple structure of the present invention, cost is cheap, convenient disassembly, can reuse.The experimental rig can be with
Various soil mass type is studied, the seepage flow and sedimentation and deformation process of embankment soil under the conditions of different compactnesss.In addition water supply installation is adjusted
It is easy, easily controllable.Delivery port is set at the top of the main body rectangle plexiglass box of experimental provision, when being effectively controlled experiment
The height of liquid level.
Brief description of the drawings
Fig. 1 is the overall front view of the present invention
Fig. 2 is the overall diagram of rectangle plexiglass box of the present invention
Fig. 3 is the right view of rectangle plexiglass box of the present invention
Fig. 4 is the overall diagram of water supply installation of the present invention
Fig. 5 is the overall diagram of the porous lucite spacer of the present invention
Fig. 6 is the overall diagram of fixed ruler of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, a kind of embodiment of embankment seepage flow along the lake and deformation behaviour experimental rig is described in detail
Such as the integral arrangement of Fig. 1 devices：Rectangle plexiglass box (1) one of short side is provided with delivery port
(3), fixed porous lucite spacer (2) on the inside of the delivery port (3)；The long side in rectangle plexiglass box (1)
Side wall is drilled with 48 drillings, and this 48 boring to install detector for water content rate (4), soil pressure cell (5), pore pressure gauge
(6)；The soil pressure cell (5), pore pressure gauge (6) the stress-strain test instrument outside with rectangle plexiglass box (1)
(7) it is connected；The outside of the rectangle plexiglass box (1), which is provided with water supply installation, includes water tank (10), booster pump (11), flow
Controller (12), aqueduct (13)；The top of the rectangle plexiglass box (1) is provided with fixed ruler (8) and is used for fixed settle
Bar (9).
As Fig. 2,3 rectangle plexiglass box are made up of lucite, the long side of the container is 1240mm, and short side is
540mm, it is highly 1820mm, the wall thickness of rectangle plexiglass box is 20mm；The one of long side of rectangle plexiglass box
The flank hole at place 24, it is divided into 4 row each columns and drills 6, a diameter of 15mm each to drill, and up and down adjacent two
The distance between drilling center of circle is 240mm, the circle center distance rectangle plexiglass box inside bottom 240mm of bottom drilling；
24 a diameter of 20mm drilling is bored in addition in the symmetric position of this 24 drilling；In this 48 drillings after setting completed, in square
100mm one a diameter of 20mm of centre position setting at the top of lateral distance where the one of short side of shape plexiglass box
Delivery port.
Such as Fig. 1 soil pressure cells (5) 0~50kP of measurement range, precision 0.04kPa, detector for water content rate (4) measurement range 0
~100%, precision 0.1%, the 240mm that often bankets during experiment is embedded to above two device in a diameter of 20mm drilling and will led
Line is drawn in drill hole, and drilling is blocked with glass cement, then surveys the wire of above two device and ess-strain
Instrument (7) is tried to be connected；Pore pressure gauge (6) 0~50kPa of measurement range, precision 0.04kPa, drilled in each a diameter of 15mm
Place's embedment pore pressure gauge (6), and drilling is blocked with glass cement.
As Fig. 1,4 water supply installations wherein water tank (10) are made up of thickness of 10mm lucite, capacity reaches 10L, supercharging
The maximum pressure 6kPa of pump (11), flow controller (12) 10~200ml/min of control range, precision 1ml/min, wherein with stream
Amount controller (12) is connected aqueduct (13) a diameter of 10mm, and the aqueduct (13) being connected in addition with delivery port (3) is a diameter of
20mm。
As the porous lucite spacer thickness of Fig. 5 is 5mm, long side 498mm, the total height of the plate is 1750mm, wherein high
Spend to be uniformly covered with a diameter of 3mm circular hole in the range of 1680mm.
If Fig. 6 fixed rulers are long 540mm, wide 20mm, thick 10mm lucite is made, and is provided with fixed ruler center straight
Footpath is 18mm circular hole, sets the circular hole of two same diameters, fixed ruler respectively apart from circular hole center of circle 120mm upper-lower position
On this 3 circular holes be used for sedimentation bar is installed.
The present invention provides a kind of embankment seepage flow along the lake and deformation behaviour experimental rig and its test method, and test procedure is such as
Under：
Step 1: whether checkout facility device each several part can use, porous lucite spacer is fixed, and is ready to test
The required soil body；
Step 2: the soil body is subjected to placement in layers according to the compactness required for experiment and moisture content, during banketing
Detector for water content rate is installed whenever a diameter of 15mm drillings are reached, soil pressure is installed when reaching a diameter of 20mm drilling
Box, pore pressure gauge simultaneously draw both device wires in drill hole, and ensure that horizontal range between the two is
20mm, then with glass cement by borehole sealing；
Step 3: continue to banket until the height arrival 1680mm to banket, then in porous lucite spacer and rectangle
The gravel that diameter is more than 3mm is filled between plexiglass box, the height for filling gravel is 1680mm；
Step 4: fixed ruler and sedimentation bar are installed, it is then that detector for water content rate hot- line test is good, and by soil
Pressure cell and pore pressure gauge are connected with stress-strain test instrument and have debugged device respectively；
Step 5: water supply installation is opened, and ensure there is unnecessary water to be flowed out in delivery port, ensured by flow controller
The liquid level of water is no more than delivery port；
Step 6: to devices such as soil pressure cell, detector for water content rate, pore pressure gauge, sedimentation bars in water supply process
It is observed simultaneously record data；
Step 7: the soil sample taking-up completed will be tested, the type or soil compaction degree of the soil body, repeat step are readjusted
Two arrive step 6.
Claims (5)
1. a kind of embankment seepage flow along the lake and deformation behaviour experimental rig, it is characterised in that：In rectangle plexiglass box (1) wherein
One short side sets a diameter of 20mm delivery port (3), the delivery port apart from top 100mm centre position
(3) a porous lucite spacer (2) parallel with rectangle plexiglass box (1) short side is fixed in inner side, equal on its face
It is even to be covered with circular hole；48 drillings are drilled with the long side side wall of the rectangle plexiglass box (1), the rectangle lucite holds
Flank hole 24 where device (1) one of long side, it is divided into 4 row each columns and drills 6, a diameter of 15mm each to drill,
And adjacent two drilling the distance between center of circle be 240mm up and down, the circle center distance rectangle lucite that the bottom drills
Container (1) inside bottom 240mm；24 a diameter of 20mm drilling is bored in addition in the symmetric position of this 24 drilling；This 48
It is boring that detector for water content rate (4), soil pressure cell (5), pore pressure gauge (6) be installed；By the soil body according to required for experiment
Compactness and moisture content carry out placement in layers, it is described aqueous being installed during banketing whenever a diameter of 15mm drilling is reached
Rate tester (4), installed when reaching a diameter of 20mm drilling the soil pressure cell (5), pore pressure gauge (6) and by this
Two kinds of device wires are drawn in drill hole；The soil pressure cell (5), pore pressure gauge (6) and the rectangle lucite hold
The outside stress-strain test instrument (7) of device (1) is connected；The outside of the rectangle plexiglass box (1) is provided with water supply installation bag
Include water tank (10), booster pump (11), flow controller (12), aqueduct (13)；The top of the rectangle plexiglass box (1)
It is used for fixed sedimentation bar (9) provided with fixed ruler (8).
2. a kind of embankment seepage flow along the lake and deformation behaviour experimental rig according to claim 1, it is characterised in that：Rectangle is organic
Glass container (1) is made up of lucite, and the long side of the container is 1240mm, short side 540mm, is highly 1820mm, rectangle
The wall thickness of plexiglass box (1) is 20mm.
3. a kind of embankment seepage flow along the lake and deformation behaviour experimental rig according to claim 1, it is characterised in that：Apart from water outlet
Porous lucite spacer (2) is fixed in 20mm position on the inside of mouth (3), and porous lucite spacer (2) thickness is 5mm, long side
Highly it is the circular hole for being uniformly covered with a diameter of 3mm on its face of 1680mm for 498mm.
4. a kind of embankment seepage flow along the lake and deformation behaviour experimental rig according to claim 1, it is characterised in that：Fixed ruler
(8) it is long 540mm, wide 20mm, thick 10mm lucite is made, in circle of fixed ruler (8) center provided with a diameter of 18mm
Hole, sets the circular hole of two same diameters apart from circular hole center of circle 120mm upper-lower position respectively, this 3 on fixed ruler (8)
Circular hole is used for installing sedimentation bar (9), and such fixed ruler (8) sets altogether 4, between fixed ruler (8) at intervals of 240mm.
5. a kind of embankment seepage flow along the lake and deformation behaviour experimental rig according to claim 1, it is characterised in that：Settle bar
(9) interior bar and casing are included, the wherein a diameter of 16mm of casing is fixed on fixed ruler (8), when rectangle plexiglass box (1)
Interior bar will synchronously sink when the interior soil body settles, and interior bar is marked with scale, and range is 0~100mm, precision 1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610518241.4A CN106053762B (en) | 2016-07-05 | 2016-07-05 | A kind of embankment seepage flow along the lake and deformation behaviour experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518241.4A CN106053762B (en) | 2016-07-05 | 2016-07-05 | A kind of embankment seepage flow along the lake and deformation behaviour experimental rig |
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| CN106053762B true CN106053762B (en) | 2018-03-30 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596378A (en) * | 2016-12-25 | 2017-04-26 | 湖南城市学院 | Device for batch experiment of soil body rainwater infiltration characteristics and use method thereof |
| CN106908586A (en) * | 2017-04-14 | 2017-06-30 | 桂林理工大学 | Soil layer disintegration device under a kind of karst area load action |
| CN110646294B (en) * | 2019-10-16 | 2021-07-16 | 东北大学 | Rock mechanical test equipment for simulating water-immersed weakening of water bank slope rock on single side and use method thereof |
| CN111896717B (en) * | 2020-09-22 | 2021-04-30 | 兰州理工大学 | Soil seepage-settlement testing method |
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| DE19621797B4 (en) * | 1996-05-30 | 2011-03-24 | Gtc Kappelmeyer Gmbh | Method and device for leakage monitoring on objects and structures |
| CN203096683U (en) * | 2013-02-18 | 2013-07-31 | 河海大学 | Model test device of embankment project seepage failure development process |
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| CN203949915U (en) * | 2014-03-28 | 2014-11-19 | 河海大学 | A kind of soil body penetration of studying destroys the multifunction test device developing |
| CN105572319A (en) * | 2015-12-11 | 2016-05-11 | 河海大学 | Hydraulic-induced covered karst collapse simulation testing device and using method |
| CN205910183U (en) * | 2016-07-05 | 2017-01-25 | 长沙理工大学 | Embankment seepage flow along lake and deformation behaviour test device |
-
2016
- 2016-07-05 CN CN201610518241.4A patent/CN106053762B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19621797B4 (en) * | 1996-05-30 | 2011-03-24 | Gtc Kappelmeyer Gmbh | Method and device for leakage monitoring on objects and structures |
| CN203096683U (en) * | 2013-02-18 | 2013-07-31 | 河海大学 | Model test device of embankment project seepage failure development process |
| CN103233441A (en) * | 2013-04-19 | 2013-08-07 | 河海大学 | Multiple embankment foundation pipeline type piping seepage deformation model and test method |
| CN203213070U (en) * | 2013-04-19 | 2013-09-25 | 河海大学 | Model test device for researching damage of flowing soil of levee of river |
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