CN205982261U - Loess side slope laboratory model testing device under alternation of wetting and drying environment - Google Patents
Loess side slope laboratory model testing device under alternation of wetting and drying environment Download PDFInfo
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- CN205982261U CN205982261U CN201620822699.4U CN201620822699U CN205982261U CN 205982261 U CN205982261 U CN 205982261U CN 201620822699 U CN201620822699 U CN 201620822699U CN 205982261 U CN205982261 U CN 205982261U
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- loess slope
- loess
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Abstract
The utility model belongs to the technical field of civil engineering, a loess side slope laboratory model testing device under alternation of wetting and drying environment is related to, include mold box, humiture data acquisition device, PIV test system and spray and heating device, the mold box includes the frame of being made by transparent organic glass and sets up the drainage blanket in the frame bottom, the mold box is arranged in to the examination loess side slope that awaits measuring sample, the examination loess side slope sample that awaits measuring is arranged in to humiture data acquisition device, spray and heating device arranges the mold box in directly over, the mold box outside and mutually perpendicular with the flow direction of the examination loess side slope sample that awaits measuring is arranged in to the PIV test system. The utility model provides a higher, the convenient operation of precision to consider fully that alternation of wetting and drying environmental effect to the model test device of slope stability influence, can effectively study under the alternation of wetting and drying loess degradation mechanism and side slope and peel off the evolution law.
Description
Technical field
This utility model belongs to technical field of civil engineering, is related to a kind of side slope indoor model test device, more particularly, to
Loess slope indoor model test device under a kind of dry wet alternating environment.
Background technology
Due to the unique physico-mechanical properties of Canal in Loess Area specific climatic environment condition and loess, ectocine because
Pull out type fracture and leads to the situation that slope texture reduces very universal in plain Caused by Sloping Surfaces.In engineering in practice, a lot of side slopes exist
Certain heavy showers effect is lower to keep stable, but may destroy under the subsequent less rainfall of an intensity, leads
The possible cause that this situation occurs is caused to be heavy showers infiltration process and subsequent evaporation drying peeling (alternation of wetting and drying) opposite side
The stability on slope produces impact.
In view of very few to the research of loess slope change in mechanics under alternation of wetting and drying at present, deep by indoor model test
Enter to analyze loess degradation mechanism and side slope under alternation of wetting and drying and peel off Evolution, be conducive to the stability prediction for loess slope pre-
Report provides theoretical foundation.And existing side slope model test apparatus precision is relatively low, and mostly have ignored dry wet alternating environment effect
The impact of Slope Stability, therefore designs loess slope indoor model test device under a kind of high-precision dry wet alternating environment and shows
Obtain particularly important.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of precision alternation of wetting and drying higher and easy and simple to handle
Loess slope indoor model test device under environment.
For achieving the above object, this utility model adopts the following technical scheme that：
Loess slope indoor model test device under a kind of dry wet alternating environment it is characterised in that：Described alternation of wetting and drying ring
Under border, loess slope indoor model test device includes model casing, humiture data acquisition unit, PIV test system and spray
And heater；Described model casing includes the frame being made up of transparent organic glass and the drainage blanket being arranged on frame bottom；
Loess slope sample to be tested is placed in model casing；Described humiture data acquisition unit is placed in loess slope sample to be tested
In；Described spray and heater are placed in the surface of model casing；Described PIV test system be placed in outside model casing and with to be measured
The flow direction of examination loess slope sample is perpendicular.
Preferably, the humiture data acquisition unit that this utility model is adopted include Temperature Humidity Sensor and with temperature
The humiture data acquisition computer that humidity sensor is connected；Described Temperature Humidity Sensor is placed in loess slope sample to be tested
In；Described humiture data acquisition computer is placed in outside model casing.
Preferably, being provided with circular hole on the frame of model casing that adopted of this utility model；Described warm and humid degrees of data is adopted
Acquisition means also include the conductor wire connecting Temperature Humidity Sensor and humiture data acquisition computer respectively；Described conductor wire is worn
Cross the circular hole of setting on the frame of model casing.
Preferably, the loess slope sample to be tested that this utility model is adopted is one or more layers.
Preferably, when the loess slope sample to be tested that this utility model is adopted is multilamellar, described temperature and humidity sensing
The quantity correspondence of device is also multiple；Multiple Temperature Humidity Sensors are separately positioned in each layer of loess slope sample to be tested.
Preferably, the PIV test system that this utility model is adopted includes high-speed camera and and high-speed camera
Connected PIV computer；Described high-speed camera is placed in outside model casing and the flow direction with loess slope sample to be tested
Perpendicular.
Preferably, the PIV test system that this utility model is adopted also includes being arranged on the three of high-speed camera motor spindle
Angle support.
Preferably, the spray that adopted of this utility model and heater include top board and are arranged on top board
Rainer and heater.
Preferably, the rainer that this utility model is adopted includes mozzle and is arranged on drenching with rain on mozzle
Shower nozzle；Described rain spray nozzle is placed in the surface of model casing；Described heater is heater.
Preferably, being provided with feed water valve on the mozzle that adopted of this utility model；Described mozzle S-type or word
Shape；Described rain spray nozzle is one or more.
The utility model has the advantages that：
This utility model provides loess slope indoor model test device under a kind of dry wet alternating environment, including model
Case, humiture data acquisition unit, PIV test system and spray and heater；Model casing is included by transparent organic glass
The frame made and the drainage blanket being arranged on frame bottom；Loess slope sample to be tested is placed in model casing；The warm and humid number of degrees
It is placed in loess slope sample to be tested according to harvester；Spray and heater are placed in the surface of model casing；PIV test system
System is placed in outside model casing and perpendicular with the flow direction of loess slope sample to be tested.Compared with prior art, this practicality
Loess slope indoor model test device under new provided dry wet alternating environment, introduces PIV Technology Precision, fully
Consider the impact of alternation of wetting and drying Upon Slope Stability, solve that existing side slope model test precision is low, ignore dry wet alternating environment
The problems such as effect.
Brief description
Fig. 1 is that the structure of loess slope indoor model test device under dry wet alternating environment provided by the utility model is shown
It is intended to；
Fig. 2 is the structural representation of the rainer that this utility model is adopted；
Wherein：
1- model casing；2- loess slope to be tested sample；3- Temperature Humidity Sensor；4-PIV test system；5- circular hole；6-
Conductor wire；7- humiture data acquisition computer；8- drainage blanket；9- high-speed camera；10-PIV computer；11- rainer；
12- mozzle；13- rain spray nozzle；14- feed water valve；15- heater.
Specific embodiment
With reference to specific embodiment to loess slope indoor model under dry wet alternating environment described in the utility model
Assay device is described further, but protection domain of the present utility model is not limited to this.
Referring to Fig. 1 and Fig. 2, this utility model provides loess slope indoor model test under a kind of dry wet alternating environment
Device, including model casing 1, humiture data acquisition unit, PIV test system 4 and spray and heater；Model casing 1 wraps
Include the frame being made up of transparent organic glass and the drainage blanket 8 being arranged on frame bottom；Loess slope sample 2 to be tested is placed in
In model casing 1；Humiture data acquisition unit is placed in loess slope sample 2 to be tested；Spray and heater are placed in model
The surface of case 1；PIV test system 4 is placed in model casing 1 outside and the flow direction phase with loess slope sample 2 to be tested is hung down
Directly.
Humiture data acquisition unit includes Temperature Humidity Sensor 3 and the warm and humid number of degrees being connected with Temperature Humidity Sensor 3
According to collecting computer 7；Temperature Humidity Sensor 3 is placed in loess slope sample 2 to be tested；Humiture data acquisition computer 7 is put
Outside model casing 1.
Circular hole 5 is provided with the frame of model casing 1；Humiture data acquisition unit also includes connecting temperature and humidity sensing respectively
The conductor wire 6 of device 3 and humiture data acquisition computer 7；Conductor wire 6 passes through the circular hole 5 of setting on the frame of model casing 1.
Loess slope sample 2 to be tested is one or more layers；When loess slope sample 2 to be tested is multilamellar, humiture passes
The quantity correspondence of sensor 3 is also multiple；Multiple Temperature Humidity Sensors 3 are separately positioned on each layer of loess slope sample 2 to be tested
In.
PIV test system 4 includes high-speed camera 9 and the PIV computer 10 being connected with high-speed camera 9；Take the photograph at a high speed
Camera 9 is placed in outside model casing 1 and perpendicular with the flow direction of loess slope sample 2 to be tested.PIV test system 4 is also wrapped
Include the A-frame being arranged on high-speed camera 9 bottom.
Spray and heater include top board and are arranged at the rainer 11 on top board and heater 15.Rainfall
Device 11 includes mozzle 12 and is arranged on the rain spray nozzle 13 on mozzle 12；Rain spray nozzle 13 is just being placed in model casing 1
Top；Heater 15 is heater.Feed water valve 14 is provided with mozzle 12；Mozzle 12 is S-type or in a zigzag；Drench with rain spray
13 is one or more.
Embodiment 1
When carrying out loess slope model test under dry wet alternating environment, concretely comprise the following steps：1) by model casing 1 horizontal positioned,
Layering loads and hits real loess slope sample 2 to be tested, and loess slope sample 2 bottom to be tested arranges drainage blanket 8, arranges loess
Slope is than for 1：2；2) hit real point 8 layers to carry out, every layer is hit arrangement Temperature Humidity Sensor 3 after the completion of reality, Temperature Humidity Sensor 3 warp
The conductor wire 6 passing through circular hole 5 is connected with humiture data acquisition computer 7, obtains the warm and humid degrees of data of process of the test；3) open
PIV test system 4；4) open rainer and start simulated rainfall, close rainer after half an hour, and open heater mould
Intend sunshine to close to half an hour, so circulation produces multiple dry wet alternating environment；5) pass through the PIV computer 10 of PIV system 4
The analysis and research impact to loess slope stability for the dry wet alternating environment effect.
Compared with prior art, under a kind of dry wet alternating environment of this utility model, loess slope indoor model test device draws
Enter PIV high precision measurement system, and take into full account the impact of dry wet alternating environment effect Upon Slope Stability, assay device operates
Convenient, precision is higher, can effectively study loess degradation mechanism and side slope under alternation of wetting and drying and peel off Evolution.
Claims (10)
1. under a kind of dry wet alternating environment loess slope indoor model test device it is characterised in that：Described dry wet alternating environment
Lower loess slope indoor model test device includes model casing（1）, humiture data acquisition unit, PIV test system（4）And
Spray and heater；Described model casing（1）Including the frame being made up of transparent organic glass and be arranged on frame bottom
Drainage blanket（8）；Loess slope sample to be tested（2）It is placed in model casing（1）In；Described humiture data acquisition unit is placed in be measured
Examination loess slope sample（2）In；Described spray and heater are placed in model casing（1）Surface；Described PIV test system
（4）It is placed in model casing（1）Outside and with loess slope sample to be tested（2）Flow direction perpendicular.
2. under dry wet alternating environment according to claim 1 loess slope indoor model test device it is characterised in that：Institute
State humiture data acquisition unit and include Temperature Humidity Sensor（3）And and Temperature Humidity Sensor（3）Connected warm and humid degrees of data
Collecting computer（7）；Described Temperature Humidity Sensor（3）It is placed in loess slope sample to be tested（2）In；Described warm and humid degrees of data is adopted
Collection computer（7）It is placed in model casing（1）Outside.
3. under dry wet alternating environment according to claim 2 loess slope indoor model test device it is characterised in that：Institute
State model casing（1）Frame on be provided with circular hole（5）；Described humiture data acquisition unit also includes connecting humiture biography respectively
Sensor（3）And humiture data acquisition computer（7）Conductor wire（6）；Described conductor wire（6）Through model casing（1）Side
The circular hole of setting on frame（5）.
4. under dry wet alternating environment according to claim 3 loess slope indoor model test device it is characterised in that：Institute
State loess slope sample to be tested（2）It is one or more layers.
5. under dry wet alternating environment according to claim 4 loess slope indoor model test device it is characterised in that：Institute
State loess slope sample to be tested（2）When being multilamellar, described Temperature Humidity Sensor（3）Quantity correspondence be also multiple；Multiple temperature
Humidity sensor（3）It is separately positioned on loess slope sample to be tested（2）Each layer in.
6. according to loess slope indoor model test device, its feature under the arbitrary described dry wet alternating environment of claim 1-5
It is：Described PIV test system（4）Including high-speed camera（9）And and high-speed camera（9）Connected PIV computer
（10）；Described high-speed camera（9）It is placed in model casing（1）Outside and with loess slope sample to be tested（2）Flow direction phase
Vertically.
7. under dry wet alternating environment according to claim 6 loess slope indoor model test device it is characterised in that：Institute
State PIV test system（4）Also include being arranged on high-speed camera（9）The A-frame of bottom.
8. under dry wet alternating environment according to claim 7 loess slope indoor model test device it is characterised in that：Institute
State spray and heater includes top board and is arranged at the rainer on top board（11）And heater（15）.
9. under dry wet alternating environment according to claim 8 loess slope indoor model test device it is characterised in that：Institute
State rainer（11）Including mozzle（12）And it is arranged on mozzle（12）On rain spray nozzle（13）；Described rain spray nozzle
（13）It is placed in model casing（1）Surface；Described heater（15）It is heater.
10. under dry wet alternating environment according to claim 9 loess slope indoor model test device it is characterised in that：
Described mozzle（12）On be provided with feed water valve（14）；Described mozzle（12）S-type or in a zigzag；Described rain spray nozzle（13）
It is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822699.4U CN205982261U (en) | 2016-08-01 | 2016-08-01 | Loess side slope laboratory model testing device under alternation of wetting and drying environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822699.4U CN205982261U (en) | 2016-08-01 | 2016-08-01 | Loess side slope laboratory model testing device under alternation of wetting and drying environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982261U true CN205982261U (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822699.4U Expired - Fee Related CN205982261U (en) | 2016-08-01 | 2016-08-01 | Loess side slope laboratory model testing device under alternation of wetting and drying environment |
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| CN (1) | CN205982261U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014979A (en) * | 2017-04-13 | 2017-08-04 | 广西交通科学研究院有限公司 | A kind of side slope drying and watering cycle simulation test device |
| CN107664594A (en) * | 2017-05-15 | 2018-02-06 | 长安大学 | A kind of Structural Loess physical model and preparation method |
| CN109342486A (en) * | 2018-10-09 | 2019-02-15 | 水利部交通运输部国家能源局南京水利科学研究院 | The experimental rig of the wet dry Frozen-thawed cycled of super gravity field Imitating expansive soil channel |
| CN110006804A (en) * | 2019-04-11 | 2019-07-12 | 南昌大学 | A kind of simulated rainfall seepage flow test device and test method |
| 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 |
| CN111239036A (en) * | 2020-03-18 | 2020-06-05 | 南京航空航天大学 | Road foundation soil temperature and humidity monitoring experimental device with controllable dry and wet threshold values and experimental method |
| CN111487391A (en) * | 2020-04-14 | 2020-08-04 | 河海大学 | Experimental device for soil nitrogen colloid goes into lake under simulation seasonal variation |
| CN113945705A (en) * | 2021-10-25 | 2022-01-18 | 国网福建省电力有限公司电力科学研究院 | Indoor experiment model and method for predicting slope displacement |
| 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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2016
- 2016-08-01 CN CN201620822699.4U patent/CN205982261U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014979A (en) * | 2017-04-13 | 2017-08-04 | 广西交通科学研究院有限公司 | A kind of side slope drying and watering cycle simulation test device |
| CN107664594A (en) * | 2017-05-15 | 2018-02-06 | 长安大学 | A kind of Structural Loess physical model and preparation method |
| CN109342486A (en) * | 2018-10-09 | 2019-02-15 | 水利部交通运输部国家能源局南京水利科学研究院 | The experimental rig of the wet dry Frozen-thawed cycled of super gravity field Imitating expansive soil channel |
| CN109342486B (en) * | 2018-10-09 | 2024-06-07 | 水利部交通运输部国家能源局南京水利科学研究院 | Test device for simulating wet, dry, freeze-thawing cycle of expansive soil channel under supergravity field |
| CN110006804A (en) * | 2019-04-11 | 2019-07-12 | 南昌大学 | A kind of simulated rainfall seepage flow test device and test method |
| CN110006804B (en) * | 2019-04-11 | 2024-05-03 | 南昌大学 | Rainfall simulation seepage test device and method |
| 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 |
| CN111239036A (en) * | 2020-03-18 | 2020-06-05 | 南京航空航天大学 | Road foundation soil temperature and humidity monitoring experimental device with controllable dry and wet threshold values and experimental method |
| CN111487391A (en) * | 2020-04-14 | 2020-08-04 | 河海大学 | Experimental device for soil nitrogen colloid goes into lake under simulation seasonal variation |
| 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 |
| CN113945705A (en) * | 2021-10-25 | 2022-01-18 | 国网福建省电力有限公司电力科学研究院 | Indoor experiment model and method for predicting slope displacement |
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Legal Events
| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190801 |