CN208969093U - A kind of artificially-simulated rainfall device for side slope full scale model test - Google Patents
A kind of artificially-simulated rainfall device for side slope full scale model test Download PDFInfo
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- CN208969093U CN208969093U CN201821726356.3U CN201821726356U CN208969093U CN 208969093 U CN208969093 U CN 208969093U CN 201821726356 U CN201821726356 U CN 201821726356U CN 208969093 U CN208969093 U CN 208969093U
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Abstract
The utility model discloses a kind of artificially-simulated rainfall devices for side slope full scale model test, the device is mainly made of water system, spray system, movable supporting frame and rainwater return-flow system, the water system is mainly used for providing water source, while adjusting pipeline pressure using frequency conversion self priming pump；The spray system is that whole system generates simulated rainfall, while carrying out real-time monitoring to rainfall intensity by rain gage bucket；The movable supporting frame is mainly used for blocking natural rainfall, keep out the wind and collecting spray toward the rainwater outside model casing；The return-flow system is used to recycle the rainwater that slope foot and the curtain of rain are collected, and improves the water circulation use efficiency of whole device.The utility model is easy to operate, and structure is simple, and low manufacture cost is environmental-friendly, can generate the similar artificially-simulated rainfall with natural rainfall height, and adjustable raininess range is wide, provides technology guarantee to carry out the reliable test data of side slope full scale model test acquisition.
Description
Technical field
The utility model belongs to Geotechnical Engineering field, and in particular to a kind of for the artificial of side slope full scale model test
Rainfall simulator.
Background technique
Rainfall is one of principal element of induced landslide, and research rainfall impact on slope stability is needed largely to try
It tests based on data, however the uncertainty of rainfall brings very big difficulty to research work.Also with natural rainfall
Research cycle is long, affected by environment big, is difficult to obtain ideal effect.By the method for artificially-simulated rainfall, it can be convenient ground
Experiment process is controlled, experimental period is shortened, effectively overcomes disadvantage of the natural rainfall in research slope stability.
Natural rainfall characteristic includes uniformity, raindrop diameter and the raindrop terminal velocity of rainfall intensity, rainfall distribution.Mesh
Before, for the slope instability mechanism study as caused by rain factor, carry out a series of targeted field tests both at home and abroad
And physical experiments, but since to the deficiency in natural rainfall characteristic understanding, most ground worker is to artificially-simulated rainfall
The accuracy concern of device is less, and the rainer majority of designed, designed has only focused on the pass of the calibration between rainfall intensity and hydraulic pressure
System, ignores the importance of other three indexs in rainfall parameter.There is part test although it is contemplated that Rainfall Characteristics are to slopes
The influence of Infiltration and the erosion caused by sloping surfaces, but since the selection of raindrop generator is wanting in consideration, cause to obtain reliable artificial
Simulated rainfall parameter；Although there are also part artificially-simulated rainfall devices to meet the requirements in Rainfall Characteristics, since size is smaller,
Its design method cannot be directly applied in side slope full scale model test.In addition, some artificially-simulated rainfalls developed at present
Device, it is expensive, it is complicated for operation, it is difficult to be applied in side slope full scale model test.
According to test needs, side slope full scale model test artificially-simulated rainfall device should meet claimed below:
(1) experimental rig must have enough intensity, rigidity and stability, to bear local wind load；
(2) simulated rainfall that device generates is similar to natural rainfall in Rainfall Characteristics；
(3) guarantee raindrop not by wind effect, vertical drop；
(4) pipeline pressure can be quickly adjusted, reaches the timely control to rainfall intensity, while being able to achieve to rainfall intensity
Real-time monitoring；
(5) rainwater should recycle as far as possible；
(6) experimental rig has good associativity and mobility.
Utility model content
The utility model technical issues that need to address are: artificially-simulated rainfall device is accurate in existing side slope model test
Property is low, size is smaller, expensive, complicated for operation, it is difficult to apply in side slope full scale model test.
For the above-mentioned problems in the prior art, the utility model provides a kind of for side slope full scale model test
Artificially-simulated rainfall device, natural precipitation process can be simulated to the full extent, tune can be passed through for local Characteristics of Precipitation
Whole pipeline pressure and opening and closing different type spray head regulate and control rainfall intensity, and can record raininess in real time, while realizing rainwater
Recycle.
For this purpose, the utility model uses following technical scheme:
A kind of artificially-simulated rainfall device for side slope full scale model test, including model casing, water system, spray system
System, movable supporting frame and rainwater return-flow system；The water system mainly by frequency conversion spontaneous imbibition booster pump, water butt, flowmeter, only
Return valve, union, water main and water-supply-pipe composition, the water butt be used for storage test rainwater, water butt by water-supply-pipe with
Frequency conversion spontaneous imbibition booster pump is connected, and is connected then in turn through after flowmeter, check-valves, union with water main, the water main
For providing test rainwater to spray system；The spray system is mainly by Zhi Liuguan, valve, top water pipe, spray head and tipping bucket
Formula rain gage bucket composition, the Zhi Liuguan includes several, is connected with water main by threeway, and Zhi Liuguan and top water pipe are with bend pipe
Connector is connected, and the top water pipe is connected by threeway with spray head, is respectively arranged with valve on the Zhi Liuguan and top water pipe, is used for
The opening and closing of different type spray head is controlled, the tipping bucket type rain gage bucket is used for Real-time Feedback rainfall intensity value；The movable supporting frame
It is mainly made of mobile awning, track and the curtain of rain, the movable type awning is frame structure, and top cross-bar is for placing top
Water pipe, frame two sides base cross members are welded with pulley, and track-movable, the curtain of rain is for collecting rainwater and keeping out the wind；It is described
Rainwater return-flow system is mainly made of self priming pump, sedimentation basin, backflash, water pipe, and supporting body is wanted based on model cabinet frame, described
Backflash is located at model casing frame roof and front, and overhead reflux slot is used to accept the rainwater of curtain of rain collection and converges into backflash
Tail portion, reflux slot tail are equipped with open pore steel plate, water pipe are connected below open pore steel plate, and water pipe connects water butt, and model casing bottom is set
There is bottom plate ditch, the sedimentation basin is located at the lower section in bottom plate ditch, for collecting and precipitating the rainwater of front backflash collection, institute
The side that self priming pump is located at sedimentation basin is stated, is connected by water pipe with water butt, for the water flow in sedimentation basin to be recycled to again
In water butt.
Preferably, the water butt includes 2, is polyethylene water butt with cover, the maximum capacity of single water butt is
2000L。
Preferably, the suction of the frequency conversion spontaneous imbibition booster pump is greater than 1m, and lift is not less than 60m, pressure adjustable；The frequency conversion
Spontaneous imbibition booster pump has digital display control panel, is arranged by button and adjusts outlet conduit pressure.
Preferably, the flowmeter is mechanical water flowmeter, for recording the flow reading before and after one rainfall event, is calculated
Water consumption.
Preferably, the spray head includes the Fulljet rotation following spray spray head of 3 kinds of different sizes, is No. 1 spray head, 2 respectively
Number spray head, No. 3 spray heads, the service pressure of each spray head are 0.12MPa；The nozzle diameter of No. 1 spray head be 3.2mm, 2
The nozzle diameter of number spray head is 1.5mm, and mouthful diameter that touches of No. 3 spray heads is 2mm, wherein No. 3 spray heads are wide-angle spray head.
Further, the spray head shares 20, wherein totally 9, No. 1 spray head, totally 9, No. 2 spray heads, totally 2, No. 3 spray heads；
No. 1 spray head and No. 2 spray heads are arranged on 3 top water pipes, are uniformly distributed along every top water pipe, the two is adjacently positioned；3
Number spray head is located at the middle position of spray system；The equal distance test (DT) slope surface 2m of all spray heads, apart from ground 4.6m.
Preferably, the mobile awning is the frame structure as made of aluminum alloy piping welding, and top cross-bar is for placing top
Portion's water pipe, two sides base cross members are welded with pulley, track-movable；The length, width and height of mobile framework are respectively 5m, 4m, 4.6m,
The a length of 10m of track.
Preferably, the material of the curtain of rain is PVC transparent flexible glue, and lower sideband hole, top is fixed on frame using band
In top cross-bar, following hole is hung on the hook on backflash.
Preferably, the sedimentation basin is the cube structure that side length is 1.5m, and strainer is equipped between sedimentation basin and self priming pump,
For being filtered to the rainwater of recycling.
Preferably, the backflash is all made of wide 10cm, the channel steel of high 8cm is made, and backflash is from top to tail portion
Provided with certain gradient.
Compared with prior art, the utility model has the beneficial effects that
(1) make simulated rainfall caused by the present apparatus at four kinds by the Rational choice of water pump and spray head in the utility model
It is similar to natural rainfall in Rainfall Characteristics.
(2) water system uses frequency conversion spontaneous imbibition booster pump, and hydraulic pressure adjusting is efficient and convenient, and stabilized speed is fast, and adjustable range
Extensively；Spray system, as raindrop generator, selects three kinds of differences using the rainfall spray head Fulljet rotation following spray spray head of profession
The spray head of specification is combined the control for realizing different raininess, while utilizing tipping-bucket rain-gauge Real-time Feedback rainfall intensity.
(3) movable supporting frame ensure that the independence of entire spray system, pass through the work between rotation water main and water pump
Being kept completely separate for spray system and water system can be realized in connector, is conducive to carry out the test under the conditions of shining consecutive days.
(4) curtain of rain on movable supporting frame not only ensure that flows back to water after spray can collect toward the rainwater outside model casing again
Bucket reduces edge effect, it is ensured that simulated rainfall is not affected by wind, and enables raindrop vertical drop.
(5) rainwater return-flow system makes recycling for water more efficient, environmental-friendly.
(6) low manufacture cost, easy to operate and raininess adjustable extent are wide.
Detailed description of the invention
Fig. 1 is a kind of artificially-simulated rainfall dress for side slope full scale model test provided by the utility model embodiment
The rearview set.
Fig. 2 is a kind of artificially-simulated rainfall dress for side slope full scale model test provided by the utility model embodiment
The left view set.
Fig. 3 is water system composite structural diagram provided by the utility model embodiment.
Fig. 4 is that Local map is linked up with provided by the utility model embodiment.
Fig. 5 is nozzle position distribution schematic diagram provided by the utility model embodiment.
Description of symbols: 1, water butt；2, frequency conversion spontaneous imbibition booster pump；3, flowmeter；4, check-valves；5, union；6,
Water main；7, Zhi Liuguan；8, valve；9, top water pipe；10, spray head；11, tipping bucket type rain gage bucket；12, mobile awning；13, rail
Road；14, the curtain of rain；15, self priming pump；16, sedimentation basin；17, backflash；18, water pipe；19, model cabinet frame；20, it links up with；21, defeated
Water pipe；101, No. 1 spray head；102, No. 2 spray heads；103, No. 3 spray heads.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in detail the utility model, specific embodiment therein and says
It is bright to be only used to explain the utility model, but be not intended to limit the scope of the present invention.
Embodiment
As depicted in figs. 1 and 2, the utility model provides a kind of artificially-simulated rainfall for side slope full scale model test
Device is mainly made of water system, spray system, movable supporting frame and rainwater return-flow system.
(1) water system
Water system is mainly by two water butts 1, frequency conversion spontaneous imbibition booster pump 2, flowmeter 3, check-valves 4, union 5, master
Water pipe 6 and water-supply-pipe 21 form.Rainwater storage is tested in two water butts 1, is connected to by water-supply-pipe 21 and is connected to frequency conversion self-priming
Booster pump 2, rainwater pass sequentially through after being pressurized and flow into water main 6 after flowmeter 3, check-valves 4, union 5, then by rainwater send to
Spray system, as shown in Figure 3.
Main equipment and device are as follows in water system:
Two large capacities polyethylene water butt 1 (single water butt maximum capacity is 2000L) with cover, is used for storage test rain
Water.
One frequency conversion spontaneous imbibition booster pump 2 specifically uses the happy board SD-1500 of prestige.Water pump is that the power of entire rainer comes
Source, type selecting mainly consider three flow, lift and pressure adjustable factors.The selection of flow is with the maximum water consumption of single rainfall
As Primary Reference object, by maximum raininess 300mm/h, effective rainfall area 5m × 3m is calculated, then maximum water hourly
Amount is 4500L.Hydraulic pressure to be offered is needed according to water pump position and spray head, suction should be greater than 1m, and lift should be not less than
60m.Pressure adjustable requires water pump to should be variable frequency pump.
One mechanical water flowmeter 3.For recording the flow reading before and after one rainfall event, water consumption is calculated.
One union 5.When needing Separated movable awning 12, rotation union can be by water system and spray system
It separates.
All water pipes select PPR pipe, water pipe internal diameter 25mm.
(2) spray system
Spray system is mainly made of Zhi Liuguan 7, valve 8, top water pipe 9, spray head 10 and tipping bucket type rain gage bucket 11.5
Zhi Liuguan 7 is connected with water main 6 with threeway, then is connected with top water pipe 9 with union elbow, is each top water after valve 8
Spray head 10 corresponding to pipe 9, spray head 10 are connected with top water pipe 9 with threeway.Tipping bucket type rain gage bucket 11 is used for Real-time Feedback rainfall
Intensity value.
Spray system uses 20 spray heads (Fulljet rotates following spray spray head) altogether, wherein totally 9, No. 1 spray head 101, No. 2
Totally 9, spray head 102, totally 2, No. 3 spray heads 103.The service pressure of each spray head is 0.12MPa, with changing for pipeline pressure
Become, the flow and spray angle of each spray head can change, three kinds of spray heads are arranged by minimum spray angle, such as scheme
Shown in 5, then when being separately turned on different types of spray head, comprehensive rainfall can be realized in model casing.It is managed in 0.12~0.38MPa
Under road pressure, when individually opening No. 3 spray heads 103, rainfall intensity range is 10.4mm/h~32mm/h；Individually open No. 2 spray heads
When 102, rainfall intensity range is 33.6mm/h~81.6mm/h；When individually opening No. 1 spray head 101, rainfall intensity range is
86.4mm/h~244.8mm/h；Simultaneously open No. 1 spray head 101 and No. 2 spray head 102 when, rainfall intensity range for 46.8mm/h~
228.8mm/h；When opening No. 1 spray head 101 and No. 3 spray head 103 simultaneously, rainfall intensity range is 44.4mm/h~224.8mm/h；
When opening No. 2 spray head 102 and No. 3 spray heads 103 simultaneously, rainfall intensity range is 13.2mm/h~84.4mm/h；3 kinds are opened simultaneously
When spray head, rainfall intensity range is 54.8mm/h~256.8mm/h.The rainfall uniformity is up to 80% or more under each rainfall intensity, rain
Particle size range 0.1mm~4.8mm is dripped, raindrop terminal velocity is closer to up to 2~2.9m/s with natural rainfall characteristic.
Top water pipe 9 is the PPR pipe of internal diameter 20mm, wherein the top water pipe equipped with No. 1 spray head 101 and No. 2 spray head 102 is equal
It is divided into two by threeway by Zhi Liuguan 7.
(3) movable supporting frame
Movable supporting frame is mainly made of mobile awning 12, track 13 and the curtain of rain 14.
Mobile awning 12 is the frame structure as made of aluminum alloy piping welding, and top cross-bar is for placing top water pipe 9, frame
Frame two sides base cross members are welded with pulley, can move along track 13.Mobile framework having a size of 5m × 4m × 4.6m (it is long × wide ×
It is high), the long 10m of track.
14 material of the curtain of rain is PVC transparent flexible glue, and lower sideband hole, top is fixed on frame roof crossbeam using band,
Hole is hung over to the hook 20 being welded on backflash below, when needing mobile awning 12, hole is taken out from hook 20,
As shown in Figure 4.The curtain of rain 14 collects spray toward the rainwater outside model casing, reduces influence of the rainwater concentration to model casing boundary, simultaneously
The curtain of rain 14 can keep out the wind, and guarantee raindrop vertical drop.
(4) rainwater return-flow system
Rainwater return-flow system is mainly made of self priming pump 15, sedimentation basin 16, backflash 17, water pipe 18, with model cabinet frame
19 be main supporting body.The rainwater collected by the curtain of rain 14 leads to after converging into tail portion by the backflash 17 at 19 top of model cabinet frame
Water pipe 18 is crossed to flow back to again in water butt 1.The backflash of 19 front of model cabinet frame for collect slope runoff and under be seeped into slope
The rainwater of foot, and rainwater is drained into sedimentation basin 16, rainwater is sent back in water butt along water pipe 18 by self priming pump 15.
Self priming pump 15 selects common small-power self priming pump that can meet the requirements, and uses perseverance Ge Er 238W here.
Sedimentation basin 16 is having a size of 1.5m × 1.5m × 1.5m (length × width × height).
Backflash 17 is made by wide 10cm, the channel steel of high 8cm, to guarantee that overhead reflux slot water flow is converged as required
To tail portion, all backflashes are provided with certain gradient during installation.
A kind of user of artificially-simulated rainfall device for side slope full scale model test provided by the utility model
Method is as follows:
(1) movable supporting frame is moved to right above model framework, is hung on hook lateral opening under the curtain of rain, main water will be connected
Pipe is connect with water system by union.
(2) by test, manually rainwater is evacuated in two water tanks；
(3) it opens and needs to reach corresponding spray head under certain rainfall intensity；
(4) pipeline pressure value input water pump control panel to be achieved will be needed, starts water pump, records flow meter reading；
(5) after 10s, pipeline hydraulic pressure reaches stable, and water flow is sprayed by spray head, uniformly falls in model side slope surface；
(6) when the rainwater recycled in pond to be precipitated reaches certain depth, self priming pump is opened, rainwater is sent back in water butt；
(7) it switches off the pump, records flow meter reading, one time artificially-simulated rainfall process terminates；
(8) union is rotated, water main is separated with water system, then the curtain of rain is taken out from hook, mobile awning is
It can carry out the test under the conditions of consecutive days photograph.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement and improvement etc., should be included in this reality within the spirit and spirit of utility model
Within novel protection scope.
Claims (10)
1. a kind of artificially-simulated rainfall device for side slope full scale model test, including model casing, water system, spray system
System, movable supporting frame and rainwater return-flow system, it is characterised in that: the water system is mainly by frequency conversion spontaneous imbibition booster pump, water storage
Bucket, flowmeter, check-valves, union, water main and water-supply-pipe composition, the water butt are used for storage test rainwater, water butt
Be connected by water-supply-pipe with frequency conversion spontaneous imbibition booster pump, then in turn through after flowmeter, check-valves, union with water main phase
Even, the water main is used to provide test rainwater to spray system；The spray system is mainly by Zhi Liuguan, valve, top water
Pipe, spray head and tipping bucket type rain gage bucket composition, the Zhi Liuguan includes several, be connected with water main by threeway, Zhi Liuguan and
Top water pipe is connected with union elbow, and the top water pipe is connected by threeway with spray head, on the Zhi Liuguan and top water pipe
It is respectively arranged with valve, for controlling the opening and closing of different type spray head, the tipping bucket type rain gage bucket is used for Real-time Feedback rainfall intensity value；
The movable supporting frame is mainly made of mobile awning, track and the curtain of rain, and the movable type awning is frame structure, and top is horizontal
Beam is welded with pulley for placing top water pipe, frame two sides base cross members, and track-movable, the curtain of rain is for collecting rain
It water and keeps out the wind；The rainwater return-flow system is mainly made of self priming pump, sedimentation basin, backflash, water pipe, based on model cabinet frame
Supporting body is wanted, the backflash is located at model casing frame roof and front, and overhead reflux slot is used to accept the rainwater of curtain of rain collection
And reflux slot tail is converged into, reflux slot tail is equipped with open pore steel plate, and water pipe is connected below open pore steel plate, and water pipe connects water storage
Bucket, model casing bottom are equipped with bottom plate ditch, and the sedimentation basin is located at the lower section in bottom plate ditch, for collecting and precipitating front reflux
The rainwater that slot is collected, the self priming pump is located at the side of sedimentation basin, is connected by water pipe with water butt, for will be in sedimentation basin
Water flow is recycled in water butt again.
2. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 1, feature exist
In: the water butt includes 2, is polyethylene water butt with cover, and the maximum capacity of single water butt is 2000L.
3. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 1, feature exist
In: the suction of the frequency conversion spontaneous imbibition booster pump is greater than 1m, and lift is not less than 60m, pressure adjustable；The frequency conversion spontaneous imbibition booster pump band
There is digital display control panel, be arranged by button and adjust outlet conduit pressure.
4. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 1, feature exist
It is mechanical water flowmeter in: the flowmeter, for recording the flow reading before and after one rainfall event, calculates water consumption.
5. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 1, feature exist
In: the spray head includes that the Fulljet of 3 kinds of different sizes rotates following spray spray head, is No. 1 spray head, No. 2 spray heads, No. 3 sprays respectively
Head, the service pressure of each spray head are 0.12MPa；The nozzle diameter of No. 1 spray head is 3.2mm, the spout of No. 2 spray heads
Diameter is 1.5mm, and mouthful diameter that touches of No. 3 spray heads is 2mm, wherein No. 3 spray heads are wide-angle spray head.
6. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 5, feature exist
In: the spray head shares 20, wherein totally 9, No. 1 spray head, totally 9, No. 2 spray heads, totally 2, No. 3 spray heads；No. 1 spray head and No. 2 sprays
Head is arranged on 3 top water pipes, is uniformly distributed along every top water pipe, the two is adjacently positioned；No. 3 spray heads are located at spray
The middle position of system；All spray heads equal distance test (DT) top of the slope face 2m, apart from ground 4.6m.
7. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 1, feature exist
In: the movable type awning is the frame structure as made of aluminum alloy piping welding, and top cross-bar is for placing top water pipe, two sides bottom
Portion's beam welding has pulley, track-movable；The length, width and height of mobile framework are respectively 5m, 4m, 4.6m, a length of 10m of track.
8. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 7, feature exist
It is PVC transparent flexible glue in: the material of the curtain of rain, lower sideband hole, top is fixed on frame roof crossbeam using band, under
The hole on side is hung on the hook on backflash.
9. a kind of artificially-simulated rainfall device for side slope full scale model test according to claim 1, feature exist
In: the sedimentation basin is the cube structure that side length is 1.5m, strainer is equipped between sedimentation basin and self priming pump, for recycling
Rainwater is filtered.
10. a kind of artificially-simulated rainfall for side slope full scale model test according to any one of claim 1 to 9 fills
It sets, it is characterised in that: the backflash is all made of wide 10cm, the channel steel of high 8cm is made, and backflash is set from top to tail portion
Certain gradient is set.
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| CN201821726356.3U CN208969093U (en) | 2018-10-24 | 2018-10-24 | A kind of artificially-simulated rainfall device for side slope full scale model test |
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| CN201821726356.3U CN208969093U (en) | 2018-10-24 | 2018-10-24 | A kind of artificially-simulated rainfall device for side slope full scale model test |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061112A (en) * | 2018-10-24 | 2018-12-21 | 中国地质大学（武汉） | A kind of artificially-simulated rainfall device for side slope full scale model test |
| CN110398581A (en) * | 2019-07-26 | 2019-11-01 | 河南水利与环境职业学院 | High roadbed expansive soil foundation in-site modeling rainfall test device |
| CN110927363A (en) * | 2019-12-24 | 2020-03-27 | 福州大学 | Vegetation side slope monitoring analogue means under indoor dry and wet circulation condition |
| CN114019135A (en) * | 2021-09-23 | 2022-02-08 | 广西交科集团有限公司 | Test device for simulating expansive soil slope crack development process under dry-wet circulation effect |
-
2018
- 2018-10-24 CN CN201821726356.3U patent/CN208969093U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061112A (en) * | 2018-10-24 | 2018-12-21 | 中国地质大学（武汉） | A kind of artificially-simulated rainfall device for side slope full scale model test |
| CN110398581A (en) * | 2019-07-26 | 2019-11-01 | 河南水利与环境职业学院 | High roadbed expansive soil foundation in-site modeling rainfall test device |
| CN110398581B (en) * | 2019-07-26 | 2022-04-12 | 李宝玉 | High fill inflation soil foundation on-spot rainfall simulation testing arrangement |
| CN110927363A (en) * | 2019-12-24 | 2020-03-27 | 福州大学 | Vegetation side slope monitoring analogue means under indoor dry and wet circulation condition |
| CN114019135A (en) * | 2021-09-23 | 2022-02-08 | 广西交科集团有限公司 | Test device for simulating expansive soil slope crack development process under dry-wet circulation effect |
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