CN106645258A - Weak layer-containing defect type side slope sliding indoor simulation device and measurement method thereof - Google Patents
Weak layer-containing defect type side slope sliding indoor simulation device and measurement method thereof Download PDFInfo
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- CN106645258A CN106645258A CN201611222176.7A CN201611222176A CN106645258A CN 106645258 A CN106645258 A CN 106645258A CN 201611222176 A CN201611222176 A CN 201611222176A CN 106645258 A CN106645258 A CN 106645258A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The invention discloses a weak layer-containing defect type side slope sliding indoor simulation device and a method. The device comprises a side slope model, an infrared thermal imager, a continuous video camera, an information regulator and a computer, wherein the infrared thermal imager and the continuous video camera are connected with the information regulator respectively; the information regulator is connected with the computer; a side slope model comprises a sliding body, a weak layer, a sliding bed and a base; the sliding bed is mounted on a base; the sliding body cooperates with the sliding bed; the weak layer is positioned between the sliding body and the sliding bed; and a heating plate is arranged on the lower part of the weak layer and connected with a temperature sensor and a temperature controller. In the invention, a side slope model preparation method can subtly reflect the key influence of a weak layer in the side slope on landslide disaster; and in the model test process, the continuous video camera technology and infrared thermal imaging technology are adopted to perform seamless recording of the whole test process, the test recording result is intuitive with large information amount, and the processing, analysis and study of the test result are facilitated.
Description
Technical field
The present invention relates to analogue technique field of coming down, and in particular to a kind of containing weak break swaged slope and land slide lab simulation dress
Put and its measuring method.
Background technology
Landslide Hazards have the features such as Frequency is high, scope is wide, harm is big, cause in worldwide
Substantial amounts of casualties and economic loss.Only between 2004 to 2010, the whole world at least there occurs 2620 times it is different degrees of
Landslide, more than the life that 32322 people lose preciousness in landslide disaster.China possesses large-area mountain area adversely
Shape, the in addition impact of the terrible weather such as rainy season exacerbates the scale and frequency of landslide disaster generation, it is easier to cause casualties
And economic loss.Landslide disaster is more and more interested to researchers.
Side slope simulation material aspect：Conventional method as using cement, gypsum, blanc fixe, montmorillonite, iron powder, quartz sand,
Fine sand, borax, glycerine, organic matter, water are that base stock simulates side slope material.In order to the mould of analog material characteristic is better achieved
Intend, most researchers are more likely to be fabricated to test using plurality of raw materials and side slope is simulated with the method for composite, and advantage is
Every kind of raw material is readily available, and has the disadvantage to need to carry out substantial amounts of experiment to various proportionings, just can determine that various raw materials are optimized and matches somebody with somebody
Than.Dial gauge is model measurement most common method.Have containing weak stratotype side slope and be distributed wide, rock mass parameter easily by surrounding environment
Affect, the features such as stability is relatively low, rock mass parameter has extremely critical effect to rock mass strength and stability.Therefore weak layer is contained
Defence of the research of type side slope to landslide is significant with improvement.
The content of the invention
For the deficiency of above-mentioned background technology, the invention provides a kind of containing weak break swaged slope and land slide lab simulation dress
Put and its measuring method, to solve prior art on containing weak break swaged slope analysis shortage and temperature weak layer is affected
Research vacancy.
The technical scheme is that：One kind contain weak break swaged slope and land slide indoor simulation device, including side slope model,
Infrared thermography, continuous video camera, information conditioner, computer, infrared thermography, continuous video camera are adjusted respectively at information
Reason device is connected, and information conditioner is connected with computer, and side slope model includes slip mass, weak layer, slider bed, base, slider bed peace
It is mounted on base, slip mass is engaged with slider bed, weak layer is located between slip mass and slider bed, and weak layer bottom is provided with heating plate, plus
Temperature sensor and temperature controller are connected with hot plate.
The temperature sensor is connected with temperature controller.
The material of the weak layer is thermo-sensitive material.
The slider bed top is provided with inclined plane I, and slip mass is provided with inclined plane II, and inclined plane I is engaged with inclined plane II.
A kind of measuring method containing weak break swaged slope and land slide lab simulation, including step one：Determine infrared thermal imaging
Instrument can measured zone, with the distance of measurand：Thermal infrared imager spatial resolution is ρsr；Thermal infrared imager and testee
Distance between center line is L, and pixel size is m × n, and the area of single pixel measurement is Sr, it is tested that thermal infrared imager can be measured
Object is rectangular area, and rectangular zone length is a, and the testee width that thermal infrared imager can be measured is b, infrared thermal imaging
Instrument aligns with the central point of tested rectangular area, then have following relational expression to set up： ρsr×L=Sr
m×Sr=a
n×Sr=b
By spatial resolution ρ of regulation thermal infrared imager during experimentsr, pixel size m × n and thermal infrared imager and measured object
Body meets the requirement of measured zone size apart from the mode of L；
Step 2：The positioning of continuous video camera：Continuous video camera is positioned on support, by the horizontal level of adjusting bracket, height
Degree, the angle of pitch make continuous video camera align with the central point of tested rectangular area；
Step 3：To heating plate electrical heating：One temperature value is set to heating plate, trip temperature is entered to heating plate with temperature controller
Control, is measured the live actual temperature of heating plate by temperature sensor, and feeds back to temperature controller with temperature setting
Value compares；
Step 4：Information processing：Continuous video camera, infrared thermography collect the thermal infrared field information transmission of model to letter
Breath conditioner carries out conversion process, then will be stored in resulting information transfer to computer, is analyzed and processed again.
When the present invention catches side slope to receive change of external conditions, the characteristics of weak layer mechanical property is gradually degraded, using temperature-sensitive material
Expect that rising the characteristic for softening with temperature is simulated.Based on optically basic theory the overall process that comes down is entered using continuous camera technique
The continuous record of row and measurement, are continuously recorded using infrared thermal imaging technique based on thermodynamics general principle to the overall process that comes down
And measurement, the firsthand information of the laboratory test that comes down containing weak stratotype is achieved, research is had containing weak stratotype slope and land slide disaster
Important theory significance and realistic price.Can observantly to embody weak layer in side slope right for side slope model production method in the present invention
The crucial effect effect that landslide is caused disaster, model test process is complete to testing using continuous camcorder technology and infrared thermal imaging technique
Process carries out seamless recording, test data sheet visual result, contains much information, and is easy to the process to result of the test, analysis and studies.
Description of the drawings
Fig. 1 is side slope model structure schematic diagram of the present invention.
Fig. 2 is heating plate course of work block diagram of the present invention.
Fig. 3 changes over curve map for temperature of heating plate of the present invention.
Fig. 4 is infrared thermography course of work flow chart.
Fig. 5 is infrared thermography test zone schematic diagram.
Fig. 6 is that infrared thermography installs test schematic diagram.
Fig. 7 is side slope model and measuring instrument overall layout chart.
Specific embodiment
1st, embodiment 1：As shown in figs. 1-7, it is a kind of to contain weak break swaged slope and land slide indoor simulation device, including side slope mould
Type, infrared thermography 6, continuous video camera 8, information conditioner 10, computer 11, infrared thermography 6, continuous video camera 8
It is connected respectively at information conditioner 10, information conditioner 10 is connected with computer 11, side slope model includes slip mass 1, weak
Layer 2, slider bed 3, base 4, slider bed 3 is arranged on base 4, and slip mass 1 is engaged with slider bed 3, and weak layer 2 is located at slip mass 1 and slides
Between bed 3, the bottom of weak layer 2 is provided with heating plate 12, and temperature sensor and temperature controller are connected with heating plate 12.One kind is containing weak
The measuring method of break swaged slope and land slide lab simulation, including step one：Determine infrared thermography institute can measured zone, with
The distance of measurand：Thermal infrared imager spatial resolution is ρsr；Thermal infrared imager is L with testee distance between center line, as
Plain size is m × n, and the area of single pixel measurement is Sr, the testee that thermal infrared imager can be measured be rectangular area, square
Shape zone length is a, and the testee width that thermal infrared imager can be measured is b, infrared thermography and tested rectangular area
Central point alignment, then have following relational expression to set up：ρsr×L=Sr, m × Sr=a, n × SrBy adjusting infrared heat when=b is tested
As spatial resolution ρ of instrumentsr, pixel size m × n and thermal infrared imager and testee meet measurement zone apart from the mode of L
The requirement of domain size.Step 2：The positioning of continuous video camera：Continuous video camera is positioned on support, by the water of adjusting bracket
Prosposition is put, height, the angle of pitch make continuous video camera align with the central point of tested rectangular area；Step 3：Heating plate electricity is added
Heat：One temperature value is set to heating plate, temperature control is carried out to heating plate with temperature controller, will be added by temperature sensor
The live actual temperature of hot plate is measured, and is fed back to temperature controller and compared with desired temperature；Step 4：Information processing：
Continuous video camera, infrared thermography collect the thermal infrared field information transmission of model and carry out at conversion to information conditioner
Reason, then will be stored in resulting information transfer to computer, is analyzed and processed again.
Embodiment 2：As shown in figs. 1-7, it is a kind of to contain weak break swaged slope and land slide indoor simulation device, including side slope mould
Type, infrared thermography 6, continuous video camera 8, information conditioner 10, computer 11, infrared thermography 6, continuous video camera 8
It is connected respectively at information conditioner 10, information conditioner 10 is connected with computer 11, side slope model includes slip mass 1, weak
Layer 2, slider bed 3, base 4, slider bed 3 is arranged on base 4, and the top of the slider bed 3 is provided with inclined plane I, and slip mass 1 is provided with inclination
Face II, inclined plane I is engaged with inclined plane II.Weak layer 2 is located between slip mass 1 and slider bed 3, and weak layer 2 is made up of thermo-sensitive material,
The bottom of weak layer 2 is provided with heating plate 12, and temperature sensor and temperature controller are connected with heating plate 12.The temperature sensor and
Temperature controller is connected.Heating plate is heated to weak layer, and with the rising of temperature of heating plate, weak layer temperature is raised, and causes temperature-sensitive
The mechaanical property of materials declines, and side slope tends to unstable state, ultimately results in the generation of landslide disaster, infrared thermography, continuous
Video camera is connected respectively at information conditioner, and information conditioner is connected with computer, realizes the complete of experimentation information
Cheng Jilu, storage and analyzing and processing.
A kind of measuring method containing weak break swaged slope and land slide lab simulation：The area that infrared thermography can be measured
Domain, the distance with measurand determine that method is as follows：
Thermal infrared imager spatial resolution is ρsr；Thermal infrared imager is L with testee distance between center line, and L sizes are tested
The restriction of the factors such as place size；Pixel size is m × n, and the area of single pixel measurement is Sr, thermal infrared imager can measure
Testee be rectangular area（Fig. 5）, rectangular zone length is a, the testee that thermal infrared imager can be measured（Rectangle）
Width is b, and it is as shown in Figure 6 that infrared thermography lays mode with testee, then have following relational expression to set up：ρsr×L=
Sr, m × Sr=a, n × SrTherefore, during experiment=b can pass through spatial resolution ρ for adjusting thermal infrared imagersr, pixel size m × n
With thermal infrared imager and testee apart from the mode of L meeting measured zone（Length x width=a × b）The requirement of size.
The course of work block diagram of heating plate sets a temperature value as shown in Fig. 2 require according to test temperature to heating plate,
Temperature control is carried out to heating plate with temperature controller, by temperature sensor by heating plateLive actual temperature survey
Go out, and feed back to temperature controller and compare with desired temperature, so as to realize the real-time control to temperature of heating plate.Heating plate
Its own temperature changes over process feature curve as shown in figure 3, when testing, indoor temperature is 19 DEG C, experiment opening during work
After beginning, electrical heating temperature starts to gradually rise, and during 480 s, temperature of heating plate reaches 112 DEG C of maximum temperature, and maximum temperature keeps
To 510 s, afterwards, electric plate temperature begins to decline, until during 600 s, temperature drop to 91.7 DEG C, on then temperature starts again
Rise.Why electric plate temperature temperature occurs is increased to 112 DEG C, then to 91.7 DEG C, the fluctuation for then rising again, mainly due to
What the effect of device temperature controlled was produced, temperature controller desired temperature is stable at 100 DEG C, when electric heating sheets are in the function of current
When lower temperature is also not up to 100 DEG C, heated liquid expansion in the sensing rod for temperature of temperature controller is not enough to cause in control box
The variation of pull-switch, but after electric heating piece temperature is more than 100 DEG C, the actual temperature that temperature sensor is measured passes through temperature control
Device processed compares with design temperature, takes the measure cut off the electricity supply.After dump, electric heating sheets no current passes through, and temperature goes out
Now fall after rise, after temperature is less than 100 DEG C of design temperature, the actual temperature that temperature sensor is measured is by temperature controller and sets
Constant temperature degree compares, and takes the measure for switching on power, and continues to heat electric heating sheets.Song is changed over from electric heating sheets temperature
Line chart can be seen that regulation of the temperature control controller to electric hot plate plate temperature and have regular hour hysteresis quality.In order to be tested
Whole seamless infrared temperature field information, Test Information collection is carried out using thermal infrared imaging instrument.Infrared thermography is worked
Journey figure is as shown in Figure 4.The general principle of thermal infrared imager is isoparametric with ambient temperature, emissivity based on measurand
The difference of hot contrast caused by difference, so as to the distribution of sightless infra red energy density is detected.
Infrared thermography is positioned on support, by the horizontal level of adjusting bracket, height, the angle of pitch make it is infrared heat into
As instrument aligns with the center O points of tested rectangular area, to reach optimal measurement effect；Continuous video camera is positioned on support,
Continuous video camera is set to align with the center O points of tested rectangular area by the horizontal level of adjusting bracket, height, the angle of pitch, with
Reach optimal measurement effect.Continuous video camera, infrared thermography collect the thermal infrared field information transmission of model to letter
Breath conditioner carries out conversion process, then will be stored in resulting information transfer to computer, is analyzed and processed again.This
Invention is mainly used in simulating the methodology containing weak stratotype slope and land slide overall process, can also carry out overall process company to result of the test
Continuous record and analysis, it is significant to research on landslide.
The advantage of infrared thermography mainly has the advantage that：1st, infrared thermography detection range is remote, it is possible to achieve non-
Contact measurement, it is to avoid interference of the measurement process to model；2nd, with infrared thermography can detecting object surface temperature, obtain
Temperature energy field figure；3rd, the storage and computer analysis of experimental data can be easily realized using infrared thermography；4th, it is red
The visual result of outer thermal imaging system, it is easy to analyze；5th, infrared thermography temperature resolution is high, and accuracy is high, atomic little temperature
Degree change also can be detected.The present invention tests overall process using thermal infrared imager based on thermodynamic principles record, using even
Continuous video camera is complemented one another and is confirmed, be conducive to preferably dividing based on visible optical principle record test overall process, two methods
Analysis and research contain weak stratotype slope and land slide.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.
Claims (5)
1. it is a kind of to contain weak break swaged slope and land slide indoor simulation device, including side slope model, infrared thermography（6）, it is continuous
Video camera（8）, information conditioner（10）, computer（11）, infrared thermography（6）, continuous video camera（8）Adjust respectively at information
Reason device（10）It is connected, information conditioner（10）With computer（11）It is connected, it is characterised in that：Side slope model includes slip mass
（1）, weak layer（2）, slider bed（3）, base（4）, slider bed（3）Installed in base（4）On, slip mass（1）With slider bed（3）It is engaged,
Weak layer（2）Positioned at slip mass（1）With slider bed（3）Between, weak layer（2）Bottom is provided with heating plate（12）, heating plate（12）Upper connection
There are temperature sensor and temperature controller.
2. according to claim 1 containing weak break swaged slope and land slide indoor simulation device, it is characterised in that：The temperature
Sensor is connected with temperature controller.
3. according to claim 1 containing weak break swaged slope and land slide indoor simulation device, it is characterised in that：The weak layer
（2）Material be thermo-sensitive material.
4. according to claim 1 containing weak break swaged slope and land slide indoor simulation device, it is characterised in that：The slider bed
（3）Top is provided with inclined plane I, slip mass（1）Inclined plane II is provided with, inclined plane I is engaged with inclined plane II.
5. a kind of measuring method containing weak break swaged slope and land slide lab simulation, it is characterised in that：Including step：Determine red
Outer thermal imaging system can measured zone, with the distance of measurand：Thermal infrared imager spatial resolution is ρsr；Thermal infrared imager with
Testee distance between center line is L, and pixel size is m × n, and the area of single pixel measurement is Sr, thermal infrared imager can survey
The testee of amount is rectangular area, and rectangular zone length is a, and the testee width that thermal infrared imager can be measured is b, red
Outer thermal imaging system aligns with the central point of tested rectangular area, then have following relational expression to set up： ρsr×L=Sr
m×Sr=a
n×Sr=b
By spatial resolution ρ of regulation thermal infrared imager during experimentsr, pixel size m × n and thermal infrared imager and testee
The requirement of measured zone size is met apart from the mode of L；
Step 2：The positioning of continuous video camera：Continuous video camera is positioned on support, by the horizontal level of adjusting bracket, height
Degree, the angle of pitch make continuous video camera align with the central point of tested rectangular area；
Step 3：To heating plate electrical heating：One temperature value is set to heating plate, trip temperature is entered to heating plate with temperature controller
Control, is measured the live actual temperature of heating plate by temperature sensor, and feeds back to temperature controller with temperature setting
Value compares；
Step 4：Information processing：Continuous video camera, infrared thermography collect the thermal infrared field information transmission of model to letter
Breath conditioner carries out conversion process, then will be stored in resulting information transfer to computer, is analyzed and processed again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611222176.7A CN106645258A (en) | 2016-12-27 | 2016-12-27 | Weak layer-containing defect type side slope sliding indoor simulation device and measurement method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611222176.7A CN106645258A (en) | 2016-12-27 | 2016-12-27 | Weak layer-containing defect type side slope sliding indoor simulation device and measurement method thereof |
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| CN201611222176.7A Pending CN106645258A (en) | 2016-12-27 | 2016-12-27 | Weak layer-containing defect type side slope sliding indoor simulation device and measurement method thereof |
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Cited By (1)
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| CN107490668A (en) * | 2017-08-17 | 2017-12-19 | 含山县进步阶梯环境科技有限公司 | A kind of centrifuge test model equipment on freeze thawing landslide |
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Address after: 451191 No. 1 Huaihe Road, Shuang Hu Economic and Technological Development Zone, Xinzheng, Zhengzhou, Henan Applicant after: Zhongyuan University of Technology Address before: 451191 No. 1 Huaihe Road, Shuanghu Town Economic and Technological Development Zone, Zhengzhou City, Henan Province Applicant before: Zhongyuan University of Technology |
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Application publication date: 20170510 |