CN204944999U - A kind of simple and easy humidification soil sample pore water pressure real-time test device - Google Patents
A kind of simple and easy humidification soil sample pore water pressure real-time test device Download PDFInfo
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- CN204944999U CN204944999U CN201520618468.7U CN201520618468U CN204944999U CN 204944999 U CN204944999 U CN 204944999U CN 201520618468 U CN201520618468 U CN 201520618468U CN 204944999 U CN204944999 U CN 204944999U
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- soil sample
- pore water
- water pressure
- pressure sensor
- permeable stone
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of simple and easy humidification soil sample pore water pressure real-time test device, comprise cover plate, soil sample chamber, pore water pressure sensor, flowmeter, conduit, valve, permeable stone, data line and computer, described soil sample chamber bottom arranges permeable stone, bottom permeable stone, aqua storage tank is set, one end of aqua storage tank connecting duct, conduit arranges valve, the other end connection traffic meter of conduit, the soil sample of placed layer lamination reality on described permeable stone, at the downward 2-4cm place of soil sample upper surface, in the middle part of soil sample and soil sample lower surface upwards pore water pressure sensor is set 2-4cm place respectively, pore water pressure sensor is connected by the computer of data line with installation data acquisition software, soil sample chamber top cover plate for sealing.Can realize the measurement of soil sample three position pore water pressures, this apparatus structure is simple, and processing cost is low, is easy to apply in production and teaching.
Description
Technical field
The utility model belongs to soil test technique field, is specifically related to a kind of simple and easy humidification soil sample pore water pressure real-time test device.
Background technology
When studying geotechnical engineering problems, unsaturated soil is seen everywhere, be mainly natural drying soil, it is actual that unsaturated soils theory relates to a series of engineering, as many engineering problem such as the construction of earth dam and the stabilities of slope of vertical excavation, all deep understanding will be had to solve to the strength characteristics of unsaturated soil, pore water pressure is the important indicator of unsaturated soil character research.Therefore, by testing the pore water pressure of accurately test unsaturated soil, and then study its strength characteristics and have great importance.
Humidification soil sample pore water pressure real-time test device is a kind of instrument for measuring soil sample humidification process Pore Pressure, and pore water pressure is the important indicator of unsaturated soil research.But current humidification soil sample pore water pressure force test device is heavier, and accurate not, have impact on its use in test.Therefore, measure problems faced to solve humidification soil sample pore water pressure, the utility model gives simple and easy humidification soil sample pore water pressure real-time test device.
Given this, the utility model discloses a kind of simple and easy humidification soil sample pore water pressure real-time test device, be used for measuring soil sample humidification process Pore Pressure, thus improve scientific research level.
Summary of the invention
The utility model is for the defect problem of humidification soil sample pore water pressure force test device existence at present, give a kind of simple and easy humidification soil sample pore water pressure real-time test device, the object that soil sample humidification process Pore Pressure is precisely tested can be realized, improve test efficiency.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of simple and easy humidification soil sample pore water pressure real-time test device, comprise cover plate, soil sample chamber, pore water pressure sensor, flowmeter, conduit, valve, permeable stone, data line and computer, described soil sample chamber bottom arranges permeable stone, bottom permeable stone, aqua storage tank is set, one end of aqua storage tank connecting duct, conduit arranges valve, the other end connection traffic meter of conduit, the soil sample of placed layer lamination reality on described permeable stone, at the downward 2-4cm place of soil sample upper surface, in the middle part of soil sample and soil sample lower surface upwards pore water pressure sensor is set 2-4cm place respectively, pore water pressure sensor is connected by the computer of data line with installation data acquisition software, soil sample chamber top cover plate for sealing.
Described pore water pressure sensor is SK-KYJ-34 type pore water pressure sensor, and high precision pore water pressure sensor is embedded in soil sample diverse location, accurately can show the pore water pressure of soil sample diverse location in real time.
Leave space between the cover plate of described sealing soil sample chamber and soil sample, whether convenient observation soil sample surface has moisture to ooze out.
Described pore water pressure sensor is evenly arranged in the middle of soil sample, and computer is used for showing pore water pressure in real time, and valve is used for controlling water inlet, can realize the real-time measurement of soil sample three position pore water pressures.
Described flow counts DMF-1-1-AB type mass flowmeter, and flowmeter surface indicates scale, and then accurately controls inflow.
Compared with prior art, the utility model has following characteristics: structure is simple, and be easy to carry and Assembling, can show pore water pressure in real time, measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model, 1-cover plate in figure, 2-soil sample chamber, 3-pore water pressure sensor, 4-soil sample, 5-flowmeter, 6-conduit, 7-valve, 8-permeable stone, 9-data line, 10-computer, 11-aqua storage tank.
Embodiment
Composition graphs 1 and embodiment set forth the utility model further.
This simple and easy humidification soil sample pore water pressure real-time test device, comprise soil sample chamber 2(diameter 18cm, high 30cm), cylindrical soil sample 4(diameter 18cm, high 20cm), permeable stone 8(diameter 18cm, high 2cm), cover plate 1(diameter 18cm, thick 1cm), , the long 12cm of conduit 6(, diameter 0.2cm), flowmeter 5(volume is 100ml), pore water pressure sensor 3, valve 7, data line 9 and computer 10, soil sample chamber 2 bottom arranges permeable stone 8, aqua storage tank 11 is set bottom permeable stone 8, one end of aqua storage tank 11 connecting duct 6, conduit 6 is arranged valve 7, the other end connection traffic meter 5 of conduit 6, the soil sample 4 of placed layer lamination reality on described permeable stone 8, at the downward 2-4cm place of soil sample 4 upper surface, pore water pressure sensor is evenly arranged respectively in the middle part of soil sample and in the middle of the soil sample at soil sample lower surface upwards 2-4cm place, pore water pressure sensor is connected by the computer of data line with installation data acquisition software, soil sample chamber top cover plate for sealing.
Described pore water pressure sensor is SK-KYJ-34 type pore water pressure sensor, and high precision pore water pressure sensor is embedded in soil sample diverse location, accurately can show the pore water pressure of soil sample diverse location in real time.
Described flow counts DMF-1-1-AB type mass flowmeter, and flowmeter surface indicates scale.
During use, place permeable stone in soil sample chamber bottom, soil sample is placed in soil sample chamber, compaction in layers, and bury sensor underground at preposition, utilize data line to be connected with computer by sensor, cover the cover plate of sealing soil sample chamber, prevent moisture from evaporating, then inlet valve is opened, humidification soil sample, flowmeter accurately can control inflow, shows cylindrical soil sample three position pore water pressures not numerical value in the same time in real time by computer.
Claims (4)
1. a simple and easy humidification soil sample pore water pressure real-time test device, it is characterized in that: comprise cover plate, soil sample chamber, pore water pressure sensor, flowmeter, conduit, valve, permeable stone, data line and computer, described soil sample chamber bottom arranges permeable stone, bottom permeable stone, aqua storage tank is set, one end of aqua storage tank connecting duct, conduit arranges valve, the other end connection traffic meter of conduit, the soil sample of placed layer lamination reality on described permeable stone, at the downward 2-4cm place of soil sample upper surface, in the middle part of soil sample and soil sample lower surface upwards pore water pressure sensor is set 2-4cm place respectively, pore water pressure sensor is connected by the computer of data line with installation data acquisition software, soil sample chamber top cover plate for sealing.
2. one according to claim 1 simple and easy humidification soil sample pore water pressure real-time test device, is characterized in that: described pore water pressure sensor is SK-KYJ-34 type pore water pressure sensor.
3. one according to claim 1 simple and easy humidification soil sample pore water pressure real-time test device, is characterized in that: leave space between the cover plate of described sealing soil sample chamber and soil sample.
4. one according to claim 1 simple and easy humidification soil sample pore water pressure real-time test device, is characterized in that: described flow counts DMF-1-1-AB type mass flowmeter, and flowmeter surface indicates scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618468.7U CN204944999U (en) | 2015-08-17 | 2015-08-17 | A kind of simple and easy humidification soil sample pore water pressure real-time test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618468.7U CN204944999U (en) | 2015-08-17 | 2015-08-17 | A kind of simple and easy humidification soil sample pore water pressure real-time test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944999U true CN204944999U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520618468.7U Expired - Fee Related CN204944999U (en) | 2015-08-17 | 2015-08-17 | A kind of simple and easy humidification soil sample pore water pressure real-time test device |
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| CN (1) | CN204944999U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767358A (en) * | 2016-12-12 | 2017-05-31 | 山西省交通科学研究院 | The measurement apparatus and measuring method of unsaturated soil consolidation deformation amount and displacement |
| CN108801881A (en) * | 2018-09-07 | 2018-11-13 | 福州大学 | The horizontal and vertical infiltration coefficient simultaneous determination device of silt, cohesive soil and its test method |
| CN109459460A (en) * | 2018-12-25 | 2019-03-12 | 长安大学 | A kind of scanning electron microscope observation device and method of intact loess humidification sample |
| CN115012383A (en) * | 2022-07-25 | 2022-09-06 | 上海勘察设计研究院(集团)有限公司 | Soaking-free pore water pressure gauge and manufacturing method thereof |
-
2015
- 2015-08-17 CN CN201520618468.7U patent/CN204944999U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767358A (en) * | 2016-12-12 | 2017-05-31 | 山西省交通科学研究院 | The measurement apparatus and measuring method of unsaturated soil consolidation deformation amount and displacement |
| CN108801881A (en) * | 2018-09-07 | 2018-11-13 | 福州大学 | The horizontal and vertical infiltration coefficient simultaneous determination device of silt, cohesive soil and its test method |
| CN109459460A (en) * | 2018-12-25 | 2019-03-12 | 长安大学 | A kind of scanning electron microscope observation device and method of intact loess humidification sample |
| CN109459460B (en) * | 2018-12-25 | 2023-10-27 | 长安大学 | Scanning electron microscope observation device and method for undisturbed loess humidification sample |
| CN115012383A (en) * | 2022-07-25 | 2022-09-06 | 上海勘察设计研究院(集团)有限公司 | Soaking-free pore water pressure gauge and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160106 Termination date: 20190817 |