CN106771074A - Rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water - Google Patents
Rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water Download PDFInfo
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- CN106771074A CN106771074A CN201611242342.XA CN201611242342A CN106771074A CN 106771074 A CN106771074 A CN 106771074A CN 201611242342 A CN201611242342 A CN 201611242342A CN 106771074 A CN106771074 A CN 106771074A
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- 239000003673 groundwater Substances 0.000 title claims abstract description 29
- 239000002689 soil Substances 0.000 title claims abstract description 28
- 238000004088 simulation Methods 0.000 title claims abstract description 27
- 230000008595 infiltration Effects 0.000 title claims abstract description 24
- 238000001764 infiltration Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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- Medicinal Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to the technical field of unsaturated soil side slope simulation test device, more particularly, to a kind of rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water, opening is provided with the upper top surface of cabinet, right side on opening is provided with rainfall case, the top rainfall pipe of rainfall case, rainfall pipe is provided with several rainfall holes towards the side of cabinet, several mounting holes for detection probe insertion are from top to bottom provided with the preceding or/and back side panel of cabinet and rainfall case, cabinet downside is before its bottom, afterwards, it is left, at least one of right plate side plate is provided with several level of ground water holes；The bottom of water tank is provided with the outlet pipeline by Valve controlling being connected with rainfall pipe, and the side wall upside of water tank is provided with least one spillway hole.Advantage is：Solving result error when rainfall is generated under different rainfall intensities, high-intensity rainfall causes slope wash, extremely low rainfall intensity easily to form the technical problems such as water droplet, native boundary condition simulation and level of ground water setting.
Description
Technical field
The present invention relates to the technical field of unsaturated soil side slope simulation test device, more particularly, to a kind of rainfall infiltration and
The adjustable unsaturated soil side slope simulation test device of level of ground water, can simulate unsaturated soil side slope rainwater under different rainfall intensities
Infiltration Law and destruction characteristic.
Background technology
It is to cause one of major incentive of Landslide Hazards to continue rainfall, often results in great casualties, property
Loss and interruption of communication, its formation mechenism and Accurate Prediction are still a great problem.Under general condition, side slope topsoil is in
Unsaturated state, after continuing rainfall generation, rainwater is infiltrated for a long time causes wetting front constantly to move down, and side slope water content increases, base
Matter suction reduces, and is easily caused rainwater in side slope in flow regime, weakens soil classifiction, therefore, rainfall causes
Unsaturated soil slope instability problems demand solve.Domestic and foreign scholars are entered for the unsaturated soil slope instability mechanism that rainfall induces
Further investigation is gone, but has stilled need substantial amounts of experiment and verified, rainfall infiltration unsaturated soil side has been continued by model investigation
The rain infiltration rule on slope, slope failure process internal mechanical change, trigger mechanism and risk warning indexes etc., for instructing work
Journey is put into practice and diaster prevention and control.Therefore, rainfall infiltration unsaturated soil side slope model test is increasingly taken seriously.
At present, lab simulation rainfall infiltration soil side slope experiment is primarily present two large problems：One is that Rainfall height is fixed, model
Device is substantially to be fixed on certain position, is not provided with level of ground water；Two is the authenticity simulation of rainwater generation, is used at present
Single row of holes ductwork type and injecting type rainfall simulator, have certain influence on raininess and rainwater distribution density etc., to different drops
Result error under raininess degree is larger, and the rainfall operating mode of high intensity is easily caused slope wash, and extremely low rainfall intensity easily forms water
Drop, inaccurately；Three is the authenticity simulation on model system device and native side slope border, and the model boundary for using at present has plank
Mould, steel mould, plastic template die, the two side template shift controls formed to soil pressure are not tight.
The content of the invention
For above-mentioned prior art exist deficiency, it is an object of the invention to provide one kind can with simulated rainfall intensity when it is big
When it is small under the conditions of unsaturated soil side slope rain infiltration rule and destruction characteristic, solve when rainfall is generated under different rainfall intensities
Result error, high-intensity rainfall cause slope wash, extremely low rainfall intensity easily to form water droplet, native boundary condition simulation and level of ground water to set
The rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water of technical problem such as put.
To realize above-mentioned purpose, the invention provides following technical scheme：
A kind of rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water, including cabinet, cabinet
Upper top surface is provided with opening, and the right side on opening is provided with left side and bottom and is equipped with the rainfall case of opening, is provided with the top of rainfall case
At least two interconnected rainfall pipes being connected with external water tank, rainfall pipe is provided with several rainfalls towards the side of cabinet
Several mounting holes for detection probe insertion, machine are from top to bottom provided with the preceding or/and back side panel of hole, cabinet and rainfall case
Case downside is close at least one of the front, rear, left and right side plate of its bottom side plate and is provided with several level of ground water holes；Water tank
Bottom be provided with the outlet pipeline by Valve controlling being connected with rainfall pipe, the side wall upside of water tank is provided with least one spilling water
Hole.
The present invention is further arranged to：The cabinet includes bottom, distinguishes at the position corresponding with its corner in bottom
First support is fixed with, is fixed by the first crossbearer between four first supports, fix four first crossbearers of first support
Between form the frame-shaped construction of quadrangle, be respectively equipped with baffle plate between adjacent first support, level of ground water hole is located at four gears
The downside of at least one of plate baffle plate.
The present invention is further arranged to：Two first supports in the left side are less than the two of right side relative to the height of bottom
Height of the root first support relative to bottom.
The present invention is further arranged to：The corresponding position of front and rear sides in the middle part of the bottom is respectively equipped with second
Frame, the height relative to bottom of second support is highly equal relative to bottom with two first supports on right side, two
Be fixedly connected by the second crossbearer between the two supports support adjacent with two first supports on right side, four second crossbearers it
Between formed quadrangle frame-shaped construction.
The present invention is further arranged to：Bottom between two second supports and two first supports on right side
The corresponding position of front and rear sides is respectively equipped with the 3rd support, and two upper ends of the 3rd support are horizontal with corresponding second respectively
Frame is fixedly connected.
The present invention is further arranged to：Baffle plate between the first support of the second support and right side of the front side and rear side
Extend to upside respectively, baffle plate is upwardly extended between two first supports on right side, before extension backboard formation rainfall case,
Afterwards, right plate.
The present invention is further arranged to：It is parallel to each other and is spaced by several between forward and backward side plate after the extension
The pull bar of setting runs through, and the two ends that every pull bar extends through after the forward and backward side plate after extending are bolted respectively.
The present invention is further arranged to：It is axially arranged with some groups of rainfall holes along every pipe on the every rainfall pipe, often
All rainfall holes in group rainfall hole are arranged into plum blossom-shaped, and axis is fixed with each rainfall hole with corresponding rainfall hole
The outlet conduit for coinciding, the water side necking down of outlet conduit forms necking part, and necking part is provided with water outlet termination.
The present invention is further arranged to：The axis in the row rainfall hole of centre one on the every rainfall pipe respectively with both sides
The angle of the axis in rainfall hole is less than 45 degree.
The present invention is further arranged to：Opening is provided with the top of the rainfall case, rectangle frame is installed at the top of rainfall case
Frame, rainfall pipe is mounted on rectangular frame, and the outer ring of rectangular frame is provided with several positioning bolt holes, by upper on rainfall case
To having several regulation screws corresponding with each the bolt hole position on rectangular frame respectively.
By using above-mentioned technical proposal, the technique effect that the present invention is reached is：
1st, simulation system raw material composition and making are simple, it is convenient to shift；
2nd, simulation system rainfall intensity is variable, generating mode and the controllable reliability of distribution density, meets the very big pole of rainfall intensity
Small condition；
3rd, simulation system model boundary is true to nature, and can set level of ground water, and Rainfall height controllable is rainfall infiltration unsaturation
Native side slope simulated test provides an experimental provision for packaging.
Brief description of the drawings
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1 faces principle schematic diagram. for of the invention.
Fig. 2 is plan structure principle schematic of the invention.
Fig. 3 is the stereochemical structure principle schematic of rainfall pipe of the invention.
Fig. 4 is the cross section structure principle schematic of rainfall pipe of the invention.
Specific embodiment
Reference picture 1~4, is a kind of rainfall infiltration disclosed by the invention and the adjustable unsaturated soil side slope simulation of level of ground water
Experimental rig, including cabinet 10, the upper top surface of cabinet 10 are provided with opening, and the right side on opening is provided with left side and bottom is equipped with out
The rainfall case 11 of mouth.Wherein, cabinet 10 includes bottom 12, is fixed with respectively at the position corresponding with its corner in bottom 12
First support 13, is fixed, then the quantity of the first crossbearer 14 can basis between four first supports 13 by the first crossbearer 14
Actual situation setting, if the height of the entirety of cabinet 10 is higher, then can set in the longitudinal direction at least two with
On the first crossbearer be used to fix, fix between four first crossbearers 14 of first support 13 and form the frame-shaped construction of quadrangle,
Baffle plate 15 is respectively equipped between adjacent first support 13, level of ground water hole 16 is located at least one of four baffle plates 15 baffle plate
15 downside.It is of course possible to be designed with the hole of plug, such level of ground water hole is according to whether designated water level in level of ground water hole
It is determined that opening and closing.
Rainfall case 11 is set in order to convenient, the height of two first supports 13 relative to bottom 12 in left side is less than the right side
The height of two first supports 13 relative to bottom 12 of side.The position that the front and rear sides at the middle part of bottom 12 is corresponding sets respectively
There is a second support 17, the height relative to bottom 12 of second support 17 is with two first supports 13 on right side relative to bottom 12
It is highly equal, between two second supports 17 support adjacent with two first supports 13 on right side pass through the second crossbearer 18
It is fixedly connected, the frame-shaped construction of quadrangle is formed between four second crossbearers 18.So second support can also be according to reality
Needs can set several more, and it is the same that the quantity of same second crossbearer can also be similar to the first crossbearer, set more, so sets
Meter is also primarily to preferably strengthen integrally-built steadiness.Two second supports 17 and two first supports 13 on right side
Between the corresponding position of front and rear sides of bottom 12 be respectively equipped with the 3rd support 19, two upper ends of the 3rd support 19 point
It is not fixedly connected with the second corresponding crossbearer 18.Then by the second support 17 of front side and rear side and the first support 13 on right side
Between baffle plate 15 respectively to upside extend, baffle plate 15 is upwardly extended between two first supports 13 on right side, extend backboard
15 forward and backward, the right plates for forming rainfall case, are parallel to each other and interval setting between the forward and backward side plate after extension by several
Pull bar pass through 20 and wear, the two ends that every pull bar 20 is extended through after the forward and backward side plate after extending are bolted respectively.Draw
The design of bar, also primarily to spacing that can be between good controlling machine box and the forward and backward side plate of rainfall case it is accurate
Degree and steadiness.
In the present embodiment, the top of rainfall case 11 is provided with least two interconnected drops being connected with external water tank 21
Rain pipe 22, rainfall pipe 22 is provided with several rainfall holes 23 towards the side of cabinet 10, along the every axle of pipe on every rainfall pipe 22
To some groups of rainfall holes are provided with, all rainfall holes 23 in every group of rainfall hole are arranged into plum blossom-shaped, solid on each rainfall hole 23
Surely the outlet conduit 29 that axis coincides with corresponding rainfall hole 23 is provided with, the water side necking down of outlet conduit 29 forms necking down
Portion 30, necking part 30 is provided with water outlet termination 31, and (this part-structure is gone out push rod and piston portion similar to the needle tubing having an injection
Body).Rainfall aperture is laid in the every lower half cambered surface of rainfall pipe (i.e. towards the side of cabinet) by spacing with plum blossom-shaped,
Form the rain water generation system of many round blossom type arc surfaceds, it is ensured that have the rainfall of different directions.Wherein, the bottom of water tank 21 sets
The side wall upside for having the outlet pipeline 25 controlled by valve 24 being connected with rainfall pipe 22, water tank 21 is provided with least one spillway hole
26.Angle of the axis in the row rainfall hole 23 of centre one on every rainfall pipe 22 respectively with the axis in the rainfall hole 23 of both sides is less than
45 degree.
In above-mentioned, several are from top to bottom provided with before cabinet 10 and rainfall case 11 or/and on back side panel for detection
The mounting hole 27 of probe insertion, the downside of cabinet 10 is close at least one of the front, rear, left and right side plate of its bottom side plate and sets
There are several level of ground water holes 16；The top of rainfall case 11 is provided with opening, and the top of rainfall case 11 is provided with rectangular frame, rainfall
Pipe 22 is mounted on rectangular frame 28, and the outer ring of rectangular frame 28 is provided with several positioning bolt holes, by upper on rainfall case
To having several regulation screws corresponding with each the bolt hole position on rectangular frame 28 respectively.By bolt
Hole and the setting of regulation screw, and the height of rectangular frame is adjusted by nut, Rainfall height thus can be conveniently adjusted,
Ensure that raindrop are contacted with slight slope face and rainfall distribution density is more accurate.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure of the invention, shape, principle are done, all should be covered by within protection scope of the present invention.
Claims (10)
1. a kind of rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water, including cabinet, its feature exist
In：The upper top surface of cabinet is provided with opening, and the right side on opening is provided with left side and bottom and is equipped with the rainfall case of opening, rainfall case
Top is provided with least two interconnected rainfall pipes being connected with external water tank, if rainfall pipe is provided with towards the side of cabinet
Several are from top to bottom provided with the preceding or/and back side panel of dry rainfall hole, cabinet and rainfall case for detection probe insertion
Mounting hole, cabinet downside is close at least one of the front, rear, left and right side plate of its bottom side plate and is provided with several underground water
Position hole；The bottom of water tank is provided with the outlet pipeline by Valve controlling being connected with rainfall pipe, and the side wall upside of water tank is provided with least
One spillway hole.
2. rainfall infiltration according to claim 1 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：The cabinet includes bottom, is fixed with first support, four in bottom at the position corresponding with its corner respectively
Fixed by the first crossbearer between root first support, fix the frame shape of formation quadrangle between four first crossbearers of first support
Structure, is respectively equipped with baffle plate between adjacent first support, level of ground water hole is located at least one of four baffle plates baffle plate
Downside.
3. rainfall infiltration according to claim 2 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：Two first supports in the left side are less than two first supports on right side relative to case relative to the height of bottom
The height at bottom.
4. rainfall infiltration according to claim 3 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：The position that the front and rear sides of the bottom in the middle part of the bottom is corresponding is respectively equipped with second support, second support
It is highly equal relative to bottom relative to the height of bottom and two first supports on right side, two second supports and right side
It is fixedly connected by the second crossbearer between adjacent support in two first supports, quadrangle is formed between four second crossbearers
Frame-shaped construction.
5. rainfall infiltration according to claim 4 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：The corresponding position of the front and rear sides of the bottom between two second supports and two first supports on right side
Put and be respectively equipped with the 3rd support, two upper ends of the 3rd support are fixedly connected with the second corresponding crossbearer respectively.
6. rainfall infiltration according to claim 4 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：Baffle plate between the first support of the second support and right side of the front side and rear side extends to upside respectively, right
Baffle plate is upwardly extended between two first supports of side, extends forward and backward, right plate that backboard forms rainfall case.
7. rainfall infiltration according to claim 6 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：It is parallel to each other by several between forward and backward side plate after the extension and spaced pull bar runs through, every
The two ends that pull bar extends through after the forward and backward side plate after extending are bolted respectively.
8. the adjustable unsaturated soil side slope simulation examination of rainfall infiltration and level of ground water according to any one of claim 1 to 7
Experiment device, it is characterised in that：Some groups of rainfall holes are axially arranged with along every pipe on the every rainfall pipe, in every group of rainfall hole
All rainfall holes be arranged into plum blossom-shaped, axis is fixed with each rainfall hole with going out that corresponding rainfall hole coincides
Waterpipe, the water side necking down of outlet conduit forms necking part, and necking part is provided with water outlet termination.
9. rainfall infiltration according to claim 8 and the adjustable unsaturated soil side slope simulation test device of level of ground water, its
It is characterised by：The axis in the row rainfall hole of centre one on the every rainfall pipe respectively with the angle of the axis in the rainfall hole of both sides
Less than 45 degree.
10. the adjustable unsaturated soil side slope simulation examination of rainfall infiltration and level of ground water according to any one of claim 1 to 7
Experiment device, it is characterised in that：Opening is provided with the top of the rainfall case, rectangular frame, rainfall pipe are installed at the top of rainfall case
It is mounted on rectangular frame, the outer ring of rectangular frame is provided with several positioning bolt holes, is from top to bottom provided with rainfall case
Several regulation screws corresponding with each the bolt hole position on rectangular frame respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242342.XA CN106771074A (en) | 2016-12-29 | 2016-12-29 | Rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242342.XA CN106771074A (en) | 2016-12-29 | 2016-12-29 | Rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water |
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| CN106771074A true CN106771074A (en) | 2017-05-31 |
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ID=58925573
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| CN201611242342.XA Pending CN106771074A (en) | 2016-12-29 | 2016-12-29 | Rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982814A (en) * | 2018-08-03 | 2018-12-11 | 深圳大学 | Slope stability mechanism study universal model pilot system under the conditions of more seepage flow |
| CN110333334A (en) * | 2019-06-19 | 2019-10-15 | 同济大学 | Simulate the physical model test device of embankment engineering interface Inundation Deformation unstability |
| CN110514809A (en) * | 2019-08-28 | 2019-11-29 | 东北大学 | Rock slope with along layer near cut simulation test device and test method under rainfall and underground water coupling |
| CN112557628A (en) * | 2020-12-05 | 2021-03-26 | 台州学院 | Hot water and air migration testing device for rainwater infiltrating unsaturated soil under temperature influence |
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| CN205562537U (en) * | 2016-05-04 | 2016-09-07 | 三峡大学 | Simple and easy rainfall devices of different rainfall modes simulates |
| CN206311606U (en) * | 2016-12-29 | 2017-07-07 | 台州学院 | Rainfall infiltration and the adjustable unsaturated soil side slope simulation test device of level of ground water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982814A (en) * | 2018-08-03 | 2018-12-11 | 深圳大学 | Slope stability mechanism study universal model pilot system under the conditions of more seepage flow |
| CN110333334A (en) * | 2019-06-19 | 2019-10-15 | 同济大学 | Simulate the physical model test device of embankment engineering interface Inundation Deformation unstability |
| CN110333334B (en) * | 2019-06-19 | 2024-05-10 | 同济大学 | Physical model test device for simulating filling engineering interface water immersion deformation instability |
| CN110514809A (en) * | 2019-08-28 | 2019-11-29 | 东北大学 | Rock slope with along layer near cut simulation test device and test method under rainfall and underground water coupling |
| CN112557628A (en) * | 2020-12-05 | 2021-03-26 | 台州学院 | Hot water and air migration testing device for rainwater infiltrating unsaturated soil under temperature influence |
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Application publication date: 20170531 |