CN205910182U - Saturated yielding characteristic test device under seepage flow of soil body crack - Google Patents
Saturated yielding characteristic test device under seepage flow of soil body crack Download PDFInfo
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- CN205910182U CN205910182U CN201620622268.3U CN201620622268U CN205910182U CN 205910182 U CN205910182 U CN 205910182U CN 201620622268 U CN201620622268 U CN 201620622268U CN 205910182 U CN205910182 U CN 205910182U
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Abstract
The utility model discloses a saturated yielding characteristic test device under seepage flow of soil body crack and testing method, the device divide into the three, and the first portion is test device, including rectangle organic glass container, organic glass basin, the porous organic glass of the rectangle body, permeable stone, the second portion is measuring device, includes tensimeter, soil pressure cell, pore pressure cell, water ratio tester, subsides pole, stress strain test appearance, the third part is water supply installation, including water tank, booster pump, flow controller, shower nozzle. At first lay the porous organic glass of the rectangle body according to test requirement's angle and size, then fill the soil body of testing in rectangle organic glass container, the in -process installation testing device that is banketing, open water supply installation at last, simulate different intensity with this, different angles, not unidimensional crack porous flow process, the measuring device that the utilization was buried underground at different soil layer observes soil body internal porosity water pressure in the porous flow process of crack, the moisture content, a series of change such as soil pressure and deformation, obtain the different soil bodys, saturated yielding deformation process law under the seepage flow condition of different cracks.
Description
Technical field
The present invention relates to a kind of assay device that can monitor soil body soil body Collapse Process under the conditions of fracture seepage.This dress
Put and can simulate during the fracture seepage of different angles, varying strength or even different range, soil moisture content, pore water pressure
The relation between change and Collapsing Deformation such as power, matric suction, soil pressure.
Background technology
At present, the saturated yielding of the soil body has become as the very important problem in the fields such as highway, railway and Fang Jian, by earth's surface, side
The various accidents that the differential settlement on slope causes happen occasionally.The especially obvious area of soil body settlement by soaking, side slope is in fall
Between the Pluvial or after rainfall, there is serious Collapsing Deformation it is seen that it is cause Collapsing Deformation mainly former that water enters slope soil
Cause.Water enters the saturated yielding simultaneous soil body pore water pressure that slope soil causes, moisture content, soil pressure etc. is a series of changes
Become, and dissimilar soil property, different seepage flow intensity all can produce impact to Collapsing Deformation.This experimental provision and test method pair
Soil body research of Collapse Process under the conditions of fracture seepage is significant.
The existing saturated yielding test that the soil body is carried out is most of to be directed to loess, and test method is both for greatly right under condition of raining
The soil body carries out saturated yielding test, not between Collapse Process and soil moisture content, soil pressure, matric suction, pore water pressure
Relation studied, more to the soil body, the Collapse Process under the conditions of fracture seepage is not studied.Therefore design a kind of energy
Enough observe the device of soil body Collapse Process under the conditions of simulation fracture seepage, this device also will be realized to soil moisture content, pore water
The lasting observation of the changes such as pressure, soil pressure, matric suction, to analyze the relation of above-mentioned change and Collapse Process.
Content of the invention
The problem to be solved in the present invention is a kind of examination observing soil body Collapse Process under the conditions of different fracture seepages of design
Experiment device, and being capable of continuous observation soil moisture content, matric suction, pore water pressure, soil pressure etc. in Collapse Process
The change of series.
In order to solve above-mentioned technical problem, the present invention is provided to saturated yielding feature under fracture seepage situation for the analytical soil sample
Assay device, this device is divided into three parts, and Part I is assay device, including rectangle plexiglass box, lucite
Tank, rectangular cellular lucite body, permeable stone；Part II is measurement apparatus, including tonometer, soil pressure cell, pore water
Piezometer, detector for water content rate, sedimentation bar, stress-strain test instrument；Part III be water supply installation, including water tank, booster pump,
Flow controller, shower nozzle.
Under described soil mass crack seepage flow, the integral layout of saturated yielding token test device is: upper in rectangle plexiglass box
Organic glass flume is fixed in portion centre position, and described lucite bottom of gullet connects rectangular cellular lucite body；Described
The Side wall drill of rectangle plexiglass box has 48 borings, and this 48 borings are used for installation tension meter, detector for water content rate, soil pressure
Power box, pore pressure gauge；Described soil pressure cell, ventage piezometer and the stress-strain test outside rectangle plexiglass box
Instrument is connected；The outside of described rectangle plexiglass box is provided with water tank, flow controller, booster pump, shower nozzle for simulating crack
The intensity of seepage flow；The top of described rectangle plexiglass box is provided with slip chi for fixing sedimentation bar；The organic glass of described rectangle
Glass container bottom is provided with into, discharge opening in order to adjust the initial water level of the surveyed soil body；Described rectangle plexiglass box bottom
Being provided with permeable stone prevents the entering of soil particle blocking container, discharge opening.
Described rectangle plexiglass box is made up of lucite, and the length of this container is 1040mm, and width is 540mm,
It is highly 1520mm, inside length 1000mm, inboard width is 500mm, and inside height is 1500mm；Rectangle lucite is held
The flank hole 24 that the one of length direction of device is located, is divided into 4 row each column to hole 6, a diameter of 28mm of each boring
And the distance between neighbouring two boring centers of circle are 200mm, and the center of circle of bottom boring is apart from rectangle plexiglass box
Inside bottom 200mm；Separately bore the boring of 24 a diameter of 10mm in the symmetric position of this 24 borings；Set in this 48 borings
Put after finishing the another drill diameter in rectangle plexiglass box bottom be 15mm circular hole as entering, discharge opening.
The thickness of described lucite tank is a height of 20mm of 10mm a width of under a width of 40mm on a length of 490mm inside 5mm,
Apart from the upper limb 100mm of rectangle plexiglass box, it is a length of 490mm inside 5mm that the bottom of this tank connects thick to this tank upper limb
The a height of 1200mm of a width of 10mm (high can be set greater than 100mm and less than the difference between 1200mm according to test requirements document
Size) rectangular cellular lucite body, its side has uniformly been covered with the circular hole of a diameter of 2mm, this rectangular cellular lucite body
Pass through glass gemel connection with lucite tank, to control both connection angles.
Described pore pressure gauge measurement range 0 ~ 50 kpa, precision 0.04 kpa, soil pressure cell measurement range 0 ~
50kp, precision 0.04kpa, detector for water content rate measurement range 0 ~ 100%, precision is 0.1%, and the 200mm that often bankets during test is straight
Footpath is that the boring of 10mm is imbedded above-mentioned three kinds of devices and drawn wire in drill hole, and with glass cement, boring is blocked；
Its measurement range of tonometer is 0 ~ 80kpa, and precision is 1 kpa, imbeds tonometer, this tension force in each a diameter of 28mm drill hole
The display dial of meter is fixed it is ensured that tonometer fixation in the outside of rectangle plexiglass box and with glass cement, prevents
Only at the trial disturbance is produced to the soil body.
Described water supply installation: water tank has thickness to be made up of the lucite of 10mm, and capacity reaches 10l；The maximum of booster pump
Pressure 6kpa；Flow controller span of control 10 ~ 100ml/min, precision 1ml/min；Under the upper width 10mm of shower nozzle, wide 40mm is high
For 20mm, using water supply installation can control fracture seepage effectively intensity.
The long 500mm of described slip chi, wide 20mm, high 10mm are provided with the circular hole of a diameter of 16mm in slip chi center,
Upper-lower position apart from this circular hole center of circle 100mm arranges the circular hole of two same diameter, and this 3 circular holes on slip chi are used for pacifying
Dress sedimentation bar, such slip chi has setting 6 altogether, and the slip chi at two ends is in the wall 100mm of rectangle plexiglass box side
Between every 200mm arrange one.
Described sedimentation bar includes interior bar and casing, and the wherein a diameter of 15mm of casing is fixed on slip chi, when rectangle has
During soil body depression in machine glass container, interior bar will synchronously be sunk, and interior bar is marked with scale, and range is 0 ~ 300mm, and precision is
1mm.
Using the saturated yielding token test device under the conditions of the soil mass crack seepage flow of technique scheme and test method, this
Bright innovation is: has carried out punching design in the side wall diverse location of assay device rectangle plexiglass box, so
By being arranged on the equipment of different soil, the Collapse Process of the soil body can be carried out with lasting, omnibearing observation, this assay device
Real realization is to the saturated yielding research under soil mass crack seepage effect.
Assay device simple structure of the present invention, with low cost, easy accessibility, can reuse.This assay device is permissible
Research various soil mass type, the Collapse Process under the conditions of different cracks.In addition the regulation of simulation water supply installation is easy, easily controllable,
The flow event of varying strength can be simulated.The main body rectangle plexiglass box bottom of assay device is arranged into, discharge opening, with
Just adjust the initial water level of the tested soil body in that context it may be convenient to realize the observation to soil body Collapse Process under different initial water levels.
Brief description
Fig. 1 is present invention entirety side view
Fig. 2 is the overall diagram of rectangle plexiglass box of the present invention
Fig. 3 is the front view of rectangle plexiglass box of the present invention
Fig. 4 is the rearview of rectangle plexiglass box of the present invention
Fig. 5 is the overall diagram of shower nozzle of the present invention
Fig. 6 is the overall diagram of water supply installation of the present invention
Fig. 7 is the overall diagram of tank of the present invention
Fig. 8 is the overall diagram of rectangular cellular lucite body of the present invention
Fig. 9 is the front view of rectangular cellular lucite body of the present invention
Figure 10 is the left view of rectangular cellular lucite body of the present invention
Figure 11 is the overall diagram of slip chi of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, a kind of seepage through soil mass process and the specific embodiment of deformation behaviour assay device are described in detail
Integral arrangement as this device of Fig. 1 fixes lucite in the upper middle position of rectangle plexiglass box (1)
Tank (3), lucite tank (3) bottom connects rectangular cellular lucite body (4)；In rectangle plexiglass box (1)
Side wall drill has 48 borings, and this 48 borings are used for installation tension meter (5), detector for water content rate (6), soil pressure cell (7), hole
WG (8)；Described soil pressure cell (7), ventage piezometer (8) ess-strain outside with rectangle plexiglass box (1)
Tester (9) is connected；The outside of rectangle plexiglass box (1) is provided with water tank (10), flow controller (11), booster pump
(12), shower nozzle (2) is used for simulating the intensity of fracture seepage；The top of rectangle plexiglass box (1) is provided with slip chi (13) and uses
To fix sedimentation bar (14), rectangle plexiglass box (1) bottom is provided with into, discharge opening in order to adjust the initial of the surveyed soil body
Water level；Described rectangle plexiglass box (1) bottom is provided with permeable stone and prevents the entering of soil particle blocking container, discharge opening.
As Fig. 2,3,4 rectangle plexiglass box is made up of lucite, this container length is 1040mm, and width is
540mm, highly for 1520mm, inside length 1000mm, inboard width is 500mm, and inside height is 1500mm；Rectangle is organic
The flank hole 24 that the one of length direction of glass container is located, is divided into 4 row each column to hole 6, the diameter of each boring
It is 200mm for the distance between 28mm and the adjacent two boring centers of circle, the center of circle of bottom boring holds apart from rectangle lucite
Device inside bottom 200mm；Separately bore the circular hole of 24 a diameter of 10mm in the symmetric position of this 24 borings；Set in this 48 borings
Put after finishing the another drill diameter in rectangle plexiglass box bottom be 15mm circular hole as entering, discharge opening.
As a width of 40mm under Fig. 5,6 shower nozzles, the plastics speciality shower nozzle of upper a width of 10mm, a length of 490mm, a height of 20mm, spray
Whole tank can be covered during water.Water supply installation wherein water tank has thickness to be made up of the lucite of 10mm, and capacity reaches 10l,
The maximum pressure 6kpa of booster pump, flow controller span of control 10 ~ 100ml/min, precision 1ml/min, with directly inside device
Footpath is that the plastic tube of 10mm is connected.
As a width of 40mm on Fig. 7 lucite sink spray head, under a width of 10mm, organic glass of a length of 490mm, a height of 20mm
Glass is made, and the lucite thickness of this tank is 5mm, and tank is all insertion up and down, lower section and rectangle lucite body phase
Even.
490mm as a length of in Fig. 8,9,10 rectangular cellular lucite body, a width of 10mm height can be arranged according to test requirements document
Become more than 100mm and less than the different size between 1200mm, be that the rectangular cellular that height is 600mm is organic shown herein
Vitreous body, its thickness 5mm, wherein side uniformly hole and ensure a diameter of 2mm in each hole.
500mm as long in Figure 11 slip chi, wide 20mm, thickness are 10mm, are provided with a diameter of 16mm in slip chi center
Circular hole, apart from this circular hole center of circle 100mm upper-lower position arrange two same diameter circular hole.
Claims (7)
1. under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: upper in rectangle plexiglass box (1)
The fixing organic glass flume (3) in portion centre position, described lucite tank (3) bottom connects rectangular cellular lucite body
(4)；The described Side wall drill in rectangle plexiglass box (1) has 48 borings, this 48 boring be used for installation tension meter (5),
Detector for water content rate (6), soil pressure cell (7), pore pressure gauge (8)；Described soil pressure cell (7), pore pressure gauge (8) with
The outside stress-strain test instrument (9) of rectangle plexiglass box (1) is connected；The outside of described rectangle plexiglass box (1)
It is provided with water tank (10), flow controller (11), booster pump (12), shower nozzle (2) for simulating the intensity of fracture seepage；Described rectangle
The top of plexiglass box (1) is provided with slip chi (13) and is used for fixing sedimentation bar (14).
2. according to claim 1 under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: rectangle is organic
Glass container (1) is made up of lucite, and the length of this container is 1040mm, and width is 540mm, highly for 1520mm, rectangle
The wall thickness of plexiglass box (1) is 20mm；The flank hole that the one of length direction of rectangle plexiglass box (1) is located
24, it is divided into 4 row each column to hole 6, the distance between a diameter of 28mm of each boring and the neighbouring two boring centers of circle
For 200mm, the center of circle of bottom boring is apart from rectangle plexiglass box (1) inside bottom 200mm；Right in this 24 borings
Position is claimed in addition to bore the boring of 24 a diameter of 10mm；In this 48 borings after setting completed in rectangle plexiglass box (1)
The another drill diameter in bottom be 15mm circular hole as entering, discharge opening.
3. according to claim 1 under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: have in rectangle
Above machine glass container (1), centre position arranges a thickness is that under a width of 40mm on a length of 490mm inside 5mm, a width of 10mm is high
Lucite tank (3) for 20mm, this tank upper limb apart from the upper limb 100mm of rectangle plexiglass box (1), this tank
Bottom connects thick rectangular cellular lucite body (4) for a height of 1200mm of a width of 10mm of 490mm a length of inside 5mm, its long side
Side has uniformly been covered with the circular hole of a diameter of 2mm, and this rectangular cellular lucite body (4) passes through glass with lucite tank (3)
Glass gemel connection.
4. according to claim 1 under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: pore water pressure
Power meter (8) measurement range 0 ~ 50 kpa, precision 0.04 kpa, soil pressure cell (7) measurement range 0 ~ 50kp, precision 0.04kp, contain
Water rate tester (6) measurement range 0 ~ 100%, precision is 0.1%, the drill hole in a diameter of 10mm for the 200mm of often banketing during test
The wire of these three devices is simultaneously drawn by embedment pore pressure gauge (8), soil pressure cell (7) detector for water content rate (6) in drill hole
Go out, and with glass cement, boring is blocked；Tonometer (5) measurement range 0 ~ 80kpa, precision is 1 kpa, a diameter of at each
28mm drill hole embedment tonometer (5), this tonometer (5) display dial in the outside of rectangle plexiglass box (1) and uses glass
Glass glue is fixed it is ensured that tonometer (5) fixation.
5. according to claim 1 under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: water tank (10)
It is made up of the lucite of 10mm of thickness, capacity reaches 10l；The maximum pressure 6kpa of booster pump (12), flow controller
(11) span of control 10 ~ 100ml/min, precision 1ml/min；Under wide 10mm on a length of 490mm of shower nozzle (2), wide 40mm is a height of
20mm.
6. according to claim 1 under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: slip chi
(13) long 500mm, wide 20mm, high 10mm are provided with the circular hole of a diameter of 16mm in slip chi (13) center, apart from this circular hole
The upper-lower position of center of circle 100mm arranges the circular hole of two same diameter, and this 3 circular holes on slip chi are used for installing sedimentation bar,
Such slip chi (13) has setting 6 altogether, and the slip chi at two ends is in the middle of the wall 100mm of rectangle plexiglass box (1) side
Arrange one every 200mm.
7. according to claim 1 under a kind of soil mass crack seepage flow saturated yielding token test device it is characterised in that: sedimentation bar
(14) interior bar and casing are included, the wherein a diameter of 15mm of casing is fixed on slip chi (13), when rectangle plexiglass box
(1) during soil body depression in, interior bar will synchronously be sunk, and interior bar is marked with scale, and range is 0 ~ 300mm, and precision is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620622268.3U CN205910182U (en) | 2016-06-22 | 2016-06-22 | Saturated yielding characteristic test device under seepage flow of soil body crack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620622268.3U CN205910182U (en) | 2016-06-22 | 2016-06-22 | Saturated yielding characteristic test device under seepage flow of soil body crack |
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| CN205910182U true CN205910182U (en) | 2017-01-25 |
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| CN201620622268.3U Expired - Fee Related CN205910182U (en) | 2016-06-22 | 2016-06-22 | Saturated yielding characteristic test device under seepage flow of soil body crack |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018746A (en) * | 2016-06-22 | 2016-10-12 | 长沙理工大学 | Device and method for testing collapse characteristic under soil fissure seepage condition |
| CN108303065A (en) * | 2018-03-14 | 2018-07-20 | 西安建筑科技大学 | A kind of micro breadth oscillation ground dynamical settlement laboratory apparatus and application method |
| CN110161213A (en) * | 2019-05-31 | 2019-08-23 | 贵州大学 | A kind of experimental provision for simulating Karst region karst collapse |
-
2016
- 2016-06-22 CN CN201620622268.3U patent/CN205910182U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018746A (en) * | 2016-06-22 | 2016-10-12 | 长沙理工大学 | Device and method for testing collapse characteristic under soil fissure seepage condition |
| CN106018746B (en) * | 2016-06-22 | 2018-03-06 | 长沙理工大学 | Saturated yielding token test device under a kind of soil mass crack seepage flow |
| CN108303065A (en) * | 2018-03-14 | 2018-07-20 | 西安建筑科技大学 | A kind of micro breadth oscillation ground dynamical settlement laboratory apparatus and application method |
| CN110161213A (en) * | 2019-05-31 | 2019-08-23 | 贵州大学 | A kind of experimental provision for simulating Karst region karst collapse |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |