CN206321642U - The experimental provision of soil function is measured under a kind of evaporation conditionses - Google Patents
The experimental provision of soil function is measured under a kind of evaporation conditionses Download PDFInfo
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- CN206321642U CN206321642U CN201621488515.1U CN201621488515U CN206321642U CN 206321642 U CN206321642 U CN 206321642U CN 201621488515 U CN201621488515 U CN 201621488515U CN 206321642 U CN206321642 U CN 206321642U
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Abstract
The utility model discloses the experimental provision that soil function is measured under a kind of evaporation conditionses, including upper frame, lower frame, earth pillar bucket, host computer, the air velocity transducer being arranged in upper frame, baroceptor, humidity sensor, temperature sensor, global radiation sensor and fluorescent lamp and the power module for providing electric energy；Upper frame is located at the top of lower frame, the side of upper frame is provided with fan, soil is filled with earth pillar bucket, it is outer that the upper end of soil reaches earth pillar bucket, the lower end of earth pillar bucket is fixed in lower frame, the upper end of earth pillar bucket, which to be passed, be inserted in after lower frame in upper frame, and the device can reduce the influence of external interference factors on test result.
Description
Technical field
The utility model is related to a kind of experimental rig for measuring soil function, and in particular to soil is measured under a kind of evaporation conditionses
The experimental provision of earth performance.
Background technology
It is a kind of most common mode of nature water circulation that soil water evaporation, which is infiltrated, but soil moisture constantly evaporates
Can be produced influence to soil structures and intensity with infiltrating, in Geotechnical Engineering, soil as a kind of most common construction material, its
Architectural characteristic the Saline Soils of the stability and security, especially certain areas of building, under evaporation conditionses, water with strength relationship
Point migration can drive the migration of salinity more to be done great damage to earth structure strength, therefore in order to study and prevent nature
Evaporation causes the migration of water salt to the destruction of soil structures and intensity generation, it is necessary to carry out simulation laboratory test to the soil body under environment,
Influence of the every data quantitative analysis soil water-stable aggregates migratory movement of monitoring to soil structures and intensity, this generates this evaporation
The experimental provision that Soil Under Conditions water salt is migrated and evaporation capacity is detected.
Such device used by current soil test is similar, and experiment earth pillar is mainly placed on to the environmental cabinet of closing
It is interior, there are infrared lamp, fan of simulating natural environment etc. in environmental cabinet, moisture transducer monitoring moisture salinity is plugged on earth pillar and is become
Change or by the way that by earth pillar segmentation cutting every section of water salt content of measurement, these devices have following drawback：Existing apparatus is at one
Enclosed environment tank test, soil is all exposed to the external world, and external interference factor influences larger to experimental result, therefore can not be accurate
The true evaporation capacity for measuring soil and water salt migration situation.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art there is provided soil is measured under a kind of evaporation conditionses
The experimental provision of earth performance, the device can reduce the influence of external interference factors on test result.
To reach that it is upper that the experimental provision that soil function is measured under above-mentioned purpose, evaporation conditionses described in the utility model includes
Portion's framework, lower frame, earth pillar bucket, host computer, the air velocity transducer being arranged in upper frame, baroceptor, humidity are passed
Sensor, temperature sensor, global radiation sensor and fluorescent lamp and the power module for providing electric energy；
Upper frame is located at the top of lower frame, and the side of upper frame, which is provided with fan, earth pillar bucket, is filled with soil,
The upper end of soil is reached outside earth pillar bucket, and the lower end of earth pillar bucket is fixed in lower frame, and the upper end of earth pillar bucket passes lower box
It is inserted in after frame in upper frame, baroceptor, temperature sensor and humidity sensor are respectively positioned on the side of soil upper end, wind
The control end of fan and the control end of fluorescent lamp are connected with the output end of host computer, and input and the global radiation of host computer are sensed
The output end of device, the output end of air velocity transducer, the output end of baroceptor, the output end of temperature sensor and humidity sensor
The output end of device is connected.
Earth pillar bucket bottom is provided with hydroecium and porous plate, wherein, hydroecium and porous plate are fixed in lower frame, earth pillar
Bucket, porous plate and hydroecium are sequentially distributed from top to bottom.
Also include water supply box, water supply geneva bottle and water supply valve, wherein, water supply geneva bottle is connected with water supply box, supplies water
The outlet of box is connected by water supply valve with the entrance of hydroecium.
Fluorescent lamp is fixed on the top of upper frame.
Fan and air velocity transducer respectively be located at upper frame two just to side on.
Some first air-vents, the top of upper frame are offered on the side that air velocity transducer is provided with upper frame
Offer the second air-vent.
Earth pillar bucket is divided between some sections, two adjacent sections to be connected by flange.
The height of earth pillar bucket is 85cm, and the height of hydroecium is 5cm.
Provided with contrast water box in upper frame.
The utility model has the advantages that：
The experimental provision of soil function is measured under evaporation conditionses described in the utility model includes lower frame and upper box
Filling soil in frame, earth pillar bucket, the upper end of soil is reached outside earth pillar bucket, and the lower end of earth pillar bucket is located in lower frame, earth pillar
The upper end of bucket is located in upper frame, and baroceptor, temperature sensor, humidity sensor, global radiation sensor and wind speed are passed
Sensor is respectively positioned in upper frame, so that only by the upper exposed of soil in external environment, so as to reduce to a greater extent outer
The influence of boundary's factors on test result.Meanwhile, host computer is according to baroceptor, temperature sensor, humidity sensor, global radiation
The information that sensor and air velocity transducer measurement are obtained can calculate the evaporation capacity of soil, in addition, after the completion of environmental simulation, using
Family is by detecting the water salt content of soil different height position, you can obtain the water salt migration situation of soil, simple to operate, measurement
As a result it is more accurate.
Further, in process of the test, the vapor in upper frame is discharged by the first air-vent and the second air-vent,
The vapor in upper frame is avoided to produce influence to result of the test.
Further, earth pillar bucket is divided between some sections, two adjacent sections is connected by flange, can be disassembled after flange,
By each layer soil cutting measurement moisture content and salt content, the measurement of soil water-stable aggregates migration situation is realized, measurement accuracy is high, and
Save material.
Further, hydroecium is connected by water supply valve with water supply box, in the case of realizing soil moisturizing situation and not moisturizing
The test of performance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of earth pillar bucket 6 in the utility model；
Wherein, 1 be fluorescent lamp, 2 be fan, 3 be water supply geneva bottle, 4 be water supply box, 5 be contrast water box, 6 be earth pillar bucket,
7 it is water supply valve, 8 be hydroecium, 9 is porous plate.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1, under evaporation conditionses described in the utility model the experimental provision of measurement soil function include upper frame,
Lower frame, earth pillar bucket 6, host computer, the air velocity transducer being arranged in upper frame, baroceptor, humidity sensor, temperature
Spend sensor, global radiation sensor and fluorescent lamp 1 and the power module for providing electric energy；Upper frame is located at lower box
The top of frame, the side of upper frame, which is provided with fan 2, earth pillar bucket 6, is filled with soil, and the upper end of soil reaches earth pillar bucket 6
Outside, the lower end of earth pillar bucket 6 is fixed in lower frame, and the upper end of earth pillar bucket 6, which to be passed, be inserted in after lower frame in upper frame,
Baroceptor, temperature sensor and humidity sensor are respectively positioned on the side of soil upper end, the control end and fluorescent lamp 1 of fan 2
Control end be connected with the output end of host computer, the input of host computer and the output end of global radiation sensor, wind speed are passed
The output end of sensor, the output end of baroceptor, the output end of the output end of temperature sensor and humidity sensor are connected.
6 bottoms of earth pillar bucket are provided with hydroecium 8 and porous plate 9, wherein, hydroecium 8 and porous plate 9 are fixed in lower frame,
Earth pillar bucket 6, porous plate 9 and hydroecium 8 are sequentially distributed from top to bottom.
The utility model also includes water supply box 4, water supply geneva bottle 3 and water supply valve 7, wherein, water supply geneva bottle 3 is with supplying water
Box 4 is connected, and the outlet of water supply box 4 is connected by water supply valve 7 with the entrance of hydroecium 8；Fluorescent lamp 1 is fixed on upper frame
Top；Fan 2 and air velocity transducer respectively be located at upper frame two just to side on；Wind speed is provided with upper frame
Offered on the side of sensor and offer the second air-vent at the top of some first air-vents, upper frame.
6 points of earth pillar bucket is to be connected between some sections, two adjacent sections by flange；The height of earth pillar bucket 6 is 85cm, hydroecium 8
Height be 5cm；Provided with contrast water box 5 in upper frame.
The length, width and height of upper frame are respectively 80cm, 80cm and 70cm, and the length, width and height of lower frame are respectively 80cm, 80cm
And 80cm, the number of the number of temperature sensor, the number of humidity sensor and baroceptor is 4.
Specific process of the test of the present utility model is：
PC control fluorescent lamp 1 and fan 2 are opened, and air velocity transducer and global radiation sensor detect upper frame in real time
Interior wind speed information and global radiation information, and the wind speed information in upper frame and global radiation information are forwarded in host computer,
Baroceptor, humidity sensor and temperature sensor detect pressure information, humidity information and the temperature of soil surface in real time simultaneously
Information is spent, and the pressure information of soil surface, humidity information and temperature information are sent into host computer, host computer is according to top
Wind speed information and global radiation information, the pressure information of soil surface, humidity information and temperature information in framework calculate soil
Evaporation capacity；
Ea=f (u) ea·(B-A) (3)
Wherein, E is evaporation capacity (mm/d), and τ is slope (kPa/ DEG C) of the saturated vapor pressure-temperature curve when temperature is T,
Q is the equivalent net radiation amount (mm/d) of soil surface, and Q=QT/L, QT is the net radiation amount (MJ/m of soil surface2D), L is
The gasification latent heat of water, for example, the latent heat of vaporization of the water when atmospheric pressure (0.1MPa), a temperature are 100 DEG C is 2257.2kJ/
kg；V is temperature constant, typically takes 0.66hPa/ DEG C；A is the inverse of soil surface relative humidity, eaFor soil body evaporating surface overhead
The vapour pressure (kPa) of gas, eaDetermined by the temperature and relative humidity of air；T is temperature (DEG C), and Ea is table evaporation capacity
(mm/d), f (u) be wind function, f (u)=0.35* (1+u*0.15), u is wind speed；B is the inverse of relative air humidity, and A is soil
The inverse of earth surface relative humidity.It should be noted that the computing formula for calculating the evaporation capacity of soil is prior art.
Simultaneously after the completion of environmental simulation, open flange, disassemble after flange, by each layer soil cutting measurement moisture content and
Salt content, realizes the measurement of soil water-stable aggregates migration situation.
Above example is merely to illustrate the technical solution of the utility model rather than its limitations, although with reference to above-mentioned implementation
The utility model is described in detail example, and those of ordinary skill in the art still can be to of the present utility model specific
Embodiment is modified or equivalent, and these without departing from the utility model spirit and scope any modification or
Equivalent, it is being applied within pending claims of the present utility model.
Claims (9)
1. under a kind of evaporation conditionses measure soil function experimental provision, it is characterised in that including upper frame, lower frame,
Earth pillar bucket (6), host computer, the air velocity transducer being arranged in upper frame, baroceptor, humidity sensor, TEMP
Device, global radiation sensor and fluorescent lamp (1) and the power module for providing electric energy；
Upper frame is located at the top of lower frame, and the side of upper frame is provided with fan (2), earth pillar bucket (6) filled with soil
Earth, the upper end of soil reaches earth pillar bucket (6) outside, and the lower end of earth pillar bucket (6) is fixed in lower frame, earth pillar bucket (6) it is upper
End, which to be passed, be inserted in after lower frame in upper frame, and baroceptor, temperature sensor and humidity sensor are respectively positioned on soil
The side of upper end, the control end of fan (2) and the control end of fluorescent lamp (1) are connected with the output end of host computer, host computer
The output end of input and global radiation sensor, the output end of air velocity transducer, the output end of baroceptor, TEMP
The output end of device and the output end of humidity sensor are connected.
2. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that earth pillar bucket
(6) bottom is provided with hydroecium (8) and porous plate (9), wherein, hydroecium (8) and porous plate (9) are fixed in lower frame, earth pillar
Bucket (6), porous plate (9) and hydroecium (8) are sequentially distributed from top to bottom.
3. the experimental provision of soil function is measured under evaporation conditionses according to claim 2, it is characterised in that also including supplying
Water box (4), water supply geneva bottle (3) and water supply valve (7), wherein, water supply geneva bottle (3) is connected with water supply box (4), water supply box
(4) outlet is connected by water supply valve (7) with the entrance of hydroecium (8).
4. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that fluorescent lamp
(1) it is fixed on the top of upper frame.
5. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that fan (2)
And air velocity transducer respectively be located at upper frame two just to side on.
6. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that upper frame
On be provided with the side of air velocity transducer offer offered at the top of some first air-vents, upper frame second breathe freely
Hole.
7. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that earth pillar bucket
(6) it is divided between some sections, two adjacent sections and is connected by flange.
8. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that earth pillar bucket
(6) height is 85cm, and the height of hydroecium (8) is 5cm.
9. the experimental provision of soil function is measured under evaporation conditionses according to claim 1, it is characterised in that upper frame
It is interior to be provided with contrast water box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488515.1U CN206321642U (en) | 2016-12-30 | 2016-12-30 | The experimental provision of soil function is measured under a kind of evaporation conditionses |
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| CN201621488515.1U CN206321642U (en) | 2016-12-30 | 2016-12-30 | The experimental provision of soil function is measured under a kind of evaporation conditionses |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771077A (en) * | 2016-12-30 | 2017-05-31 | 西安建筑科技大学 | The experimental provision of soil function is measured under a kind of evaporation conditionses |
| CN110426506A (en) * | 2019-09-17 | 2019-11-08 | 青海省交通科学研究院 | A kind of experimental rig of indoor simulation soil body evaporation process |
| CN113504270A (en) * | 2021-09-06 | 2021-10-15 | 中南大学 | Cohesive soil water content tester and method based on heating vaporization method |
-
2016
- 2016-12-30 CN CN201621488515.1U patent/CN206321642U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771077A (en) * | 2016-12-30 | 2017-05-31 | 西安建筑科技大学 | The experimental provision of soil function is measured under a kind of evaporation conditionses |
| CN110426506A (en) * | 2019-09-17 | 2019-11-08 | 青海省交通科学研究院 | A kind of experimental rig of indoor simulation soil body evaporation process |
| CN110426506B (en) * | 2019-09-17 | 2024-04-05 | 兰州交通大学 | Test device for indoor simulation of soil evaporation process |
| CN113504270A (en) * | 2021-09-06 | 2021-10-15 | 中南大学 | Cohesive soil water content tester and method based on heating vaporization method |
| CN113504270B (en) * | 2021-09-06 | 2021-11-26 | 中南大学 | Cohesive soil water content tester and method based on heating vaporization method |
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