CN206418477U - A kind of in-situ testing device of the soil moisture and resistivity - Google Patents
A kind of in-situ testing device of the soil moisture and resistivity Download PDFInfo
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- CN206418477U CN206418477U CN201621382654.6U CN201621382654U CN206418477U CN 206418477 U CN206418477 U CN 206418477U CN 201621382654 U CN201621382654 U CN 201621382654U CN 206418477 U CN206418477 U CN 206418477U
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- resistivity
- testing device
- soil moisture
- metallic rod
- static sounding
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 239000002689 soil Substances 0.000 title claims abstract description 46
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 39
- 230000035515 penetration Effects 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of soil moisture and the in-situ testing device of resistivity, it includes static sounding feeler lever, and one end of the static sounding feeler lever is connected with cone penetration test counterforce device, and its other end is provided with static sounding probe；Temperature testing device and resistivity measurement device are installed between the static sounding feeler lever and the static sounding probe.The utility model has the advantages that, without being reequiped to existing cone penetration test equipment, it is possible to achieve the soil moisture and resistivity of any depth of underground Rock And Soil are tested, the test of cone penetration test is not influenceed；In combination with cone penetration test achievement, fast and effectively pollution condition in soil layer etc. can be judged.
Description
Technical field
The utility model is related to Geotechnical Engineering field, and in particular to a kind of soil moisture and the in-situ test of resistivity dress
Put.
Background technology
Temperature test is at present generally inserted temperature sensor in soil layer using boring method, penetration method and embedded method, is sensed
Device recyclability is poor, costly.What resistivity measurement was generally used at present includes electric logging, ground high-density electric etc., electrical measurement
Well is generally tested using existing exploratory hole, temperature, resistivity value is regarded in drilling to obtain, its value is by drilling hole aperture, well
Liquid etc. has a certain impact；High-density electric sets electrode on ground, and by adjusting, different electrode spacings is to obtain longitudinal difference
The temperature of depth, resistivity value, for deep temperature, the test of resistivity, high-density electric is higher to site requirements, needs to provide
The place of sufficient length is to arrange electrode.
Static sounding is ripe exploration engineering in a kind of geotechnical engineering investigation, with the development in this year, static sounding bag
Single bridge, doube bridge, three bridges and many bridges probe are included, static point resistance, side friction power, pore water pressure of Rock And Soil etc. can be accurately obtained
Parameter, by counterforce device and fluid pressure drive device during experiment, by quiet injection of popping one's head in soil layer is tested, by acquisition system,
Rock And Soil relevant parameter is obtained, to determine the mechanical characteristic of soil, such as deformation modulus, allowable bearing, but in temperature, resistivity
Still rarely obtained in terms of test, Polluted Soil property by static sounding mode.
The content of the invention
The purpose of this utility model is according to there is provided a kind of soil moisture and resistivity in place of above-mentioned the deficiencies in the prior art
In-situ testing device, the in-situ testing device passes through sets temperature testing device and resistivity to survey on static sounding feeler lever
Trial assembly puts to realize that the soil moisture and resistivity to any depth of underground Rock And Soil are tested.
The utility model purpose is realized and completed by following technical scheme：
A kind of in-situ testing device of the soil moisture and resistivity, it is characterised in that：It is described quiet including static sounding feeler lever
One end of power feeler inspection feeler lever is connected with cone penetration test counterforce device, and its other end is provided with static sounding probe；It is described quiet
Temperature testing device and resistivity measurement device are installed between power feeler inspection feeler lever and the static sounding probe.
The static sounding feeler lever, the resistivity measurement device, the temperature testing device and the static sounding
Probe is threadedly coupled successively from top to bottom.
If the temperature testing device includes hollow metallic rod and dry temperature sensor, the temperature sensor, which is surround, to be divided
Cloth is in the side of the hollow metallic rod；Insulating protective layer is provided between the temperature sensor and the hollow metallic rod.
The number of the temperature sensor is at least 3.
The resistivity measurement device includes hollow metallic rod, is set in the insulating protective layer of the hollow metallic rod side
And it is arranged on some electrodes on the insulating protective layer, axis direction interval of the electrode along the hollow metallic rod point
Cloth.
The number of the electrode is at least 3.
The cone penetration test counterforce device includes fluid pressure drive device and data acquisition device.
The utility model has the advantages that, without being reequiped to existing cone penetration test equipment, it is possible to achieve to underground
The soil moisture and resistivity of any depth of Rock And Soil are tested, and the test of cone penetration test is not influenceed；In combination with
Cone penetration test achievement, fast and effectively can be judged to pollution condition in soil layer etc..
Brief description of the drawings
Fig. 1 is the side view of the utility model soil moisture and the in-situ testing device of resistivity；
Fig. 2 is the schematic diagram of the cross section of temperature testing device in the utility model；
Fig. 3 is the sectional view of resistivity measurement device in the utility model.
Embodiment
Feature of the present utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with accompanying drawing
It is bright, in order to the understanding of technical staff of the same trade：
Mark 1-11 is respectively in such as Fig. 1-3, figure：Static sounding feeler lever 1, cone penetration test counterforce device 2, static(al) are touched
Probe 3, temperature testing device 4, resistivity measurement device 5, fluid pressure drive device 6, data acquisition device 7, hollow metallic rod
8a, hollow metallic rod 8b, temperature sensor 9, insulating protective layer 10a, insulating protective layer 10b, electrode 11.
Embodiment：As shown in figure 1, the present embodiment is specifically related to a kind of soil moisture and the in-situ testing device of resistivity,
It includes static sounding feeler lever 1；One end of static sounding feeler lever 1 is connected with cone penetration test counterforce device 2, its other end peace
Equipped with static sounding probe 3；Temperature testing device 4 and resistance are installed between static sounding feeler lever 1 and static sounding probe 3
Rate test device 5.
As shown in figure 1, static sounding feeler lever 1 is vertically set, for the drive in cone penetration test counterforce device 2
Under dynamic, inside insertion soil layer；Cone penetration test counterforce device 2 is fixedly mounted on earth's surface, and cone penetration test counterforce device 2 is wrapped
Include fluid pressure drive device 6 and data acquisition device 7；Fluid pressure drive device 6 is used to static sounding feeler lever 1 being pressed into soil layer, number
It is used to gather the data that static sounding probe 3, temperature testing device 4 and resistivity measurement device 5 are measured according to harvester 7.
As shown in figure 1, static sounding feeler lever 1, resistivity measurement device 5, temperature testing device 4 and static sounding probe
3 to pass sequentially through helicitic texture from top to bottom coaxially connected, in order to realize fast assembling-disassembling；Static sounding probe 3 is used in static(al)
Rock And Soil relevant parameter is obtained during the press-in soil layer of feeler inspection feeler lever 1, to determine the mechanical characteristic of soil, such as deformation modulus, appearance
Perhaps bearing capacity etc..
As shown in Figure 1, 2, temperature testing device 4 is used for the temperature value for measuring different depth inside Rock And Soil；Temperature test
If device 4 includes hollow metallic rod 8a and dry temperature sensor 9, temperature sensor 9 surround and is distributed in hollow metallic rod 8a's
Sideways；Insulating protective layer 10a is provided between temperature sensor 9 and hollow metallic rod 8a, each temperature sensor 9 is embedded at insulation
In protective layer 10a, so that hollow metallic rod 8a side wall is in smooth shape, and the purpose of insulation is reached；In the present embodiment, it is warm
The number for spending sensor 9 is three, and three temperature sensors 9 are angularly distributed in hollow metallic rod 8a side；Hollow metallic rod
8a two ends are respectively arranged with the helicitic texture being adapted with static sounding probe 3 and resistivity measurement device 5；TEMP
Device 9 is connected to the data acquisition device 7 resting on the ground by the wire being arranged in hollow metallic rod 8a hollow lumens.
As shown in Figure 1,3, resistivity measurement device 5 is used for the resistivity for measuring soil inside Rock And Soil；Resistivity measurement
Device 5 includes hollow metallic rod 8b, is set in the insulating protective layer 10b of hollow metallic rod 8b sides and is embedded in insulation protection
Some electrodes 11 in layer 10b, each axis direction of electrode 11 along hollow metallic rod 8b is spaced apart；Insulating protective layer 10b
It can prevent hollow metallic rod 8b from influenceing the resistivity between electrode 11, and can ensure that hollow metallic rod 8b side wall in smooth
Shape；In the present embodiment, the number of electrode 11 is 3；Axis direction equidistantly distributed of the electrode 11 along hollow metallic rod 8b；Electrode
11 are connected to the data acquisition device 7 resting on the ground by the wire being arranged in hollow metallic rod 8b hollow lumens；Measurement
When, by measuring the resistivity between each electrode 11, you can measure the resistivity of soil inside Rock And Soil.
As shown in figure 1, the present embodiment the soil moisture and resistivity in-situ testing device application method include it is following
Step：Cone penetration test counterforce device 2 is installed on the soil layer surface for needing to detect first, it is then anti-using cone penetration test
Static sounding feeler lever 1 is pressed into inside soil layer by power apparatus 2, after the bottom of static sounding feeler lever 1 reaches desired depth, uses number
The temperature and resistivity of soil are gathered according to harvester 7.
The advantageous effects of the present embodiment are：Without being reequiped to existing cone penetration test equipment, it is possible to achieve
The soil moisture and resistivity of any depth of underground Rock And Soil are tested, the test of cone penetration test is not influenceed；Together
When combine cone penetration test achievement, fast and effectively pollution condition in soil layer etc. can be judged.
Claims (7)
1. the in-situ testing device of a kind of soil moisture and resistivity, it is characterised in that：Including static sounding feeler lever, the static(al)
One end of feeler inspection feeler lever is connected with cone penetration test counterforce device, and its other end is provided with static sounding probe；The static(al)
Temperature testing device and resistivity measurement device are installed between feeler inspection feeler lever and the static sounding probe.
2. the in-situ testing device of a kind of soil moisture according to claim 1 and resistivity, it is characterised in that：It is described quiet
Power feeler inspection feeler lever, the resistivity measurement device, the temperature testing device and the static sounding probe from top to bottom according to
Secondary threaded connection.
3. the in-situ testing device of a kind of soil moisture according to claim 1 or 2 and resistivity, it is characterised in that：Institute
If stating temperature testing device includes hollow metallic rod and dry temperature sensor, the temperature sensor surround and is distributed in the sky
The side of heart metallic rod；Insulating protective layer is provided between the temperature sensor and the hollow metallic rod.
4. the in-situ testing device of a kind of soil moisture according to claim 3 and resistivity, it is characterised in that：The temperature
The number of degree sensor is at least 3.
5. the in-situ testing device of a kind of soil moisture according to claim 1 or 2 and resistivity, it is characterised in that：Institute
Stating resistivity measurement device includes hollow metallic rod, is set in the insulating protective layer of the hollow metallic rod side and is arranged on
Some electrodes on the insulating protective layer, axis direction of the electrode along the hollow metallic rod is spaced apart.
6. the in-situ testing device of a kind of soil moisture according to claim 5 and resistivity, it is characterised in that：The electricity
The number of pole is at least 3.
7. according to a kind of soil moisture and the in-situ testing device of resistivity described in claim 1, it is characterised in that：The static(al)
Cone penetration test counterforce device includes fluid pressure drive device and data acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382654.6U CN206418477U (en) | 2016-12-16 | 2016-12-16 | A kind of in-situ testing device of the soil moisture and resistivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382654.6U CN206418477U (en) | 2016-12-16 | 2016-12-16 | A kind of in-situ testing device of the soil moisture and resistivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206418477U true CN206418477U (en) | 2017-08-18 |
Family
ID=59575886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621382654.6U Active CN206418477U (en) | 2016-12-16 | 2016-12-16 | A kind of in-situ testing device of the soil moisture and resistivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206418477U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034010A (en) * | 2020-09-09 | 2020-12-04 | 东南大学 | Controllable rate resistivity static sounding test system and method for frozen soil exploration |
| CN113186892A (en) * | 2021-05-08 | 2021-07-30 | 唐山工业职业技术学院 | Static sounding test method |
| CN113186891A (en) * | 2021-05-08 | 2021-07-30 | 唐山工业职业技术学院 | Multifunctional static sounding system |
-
2016
- 2016-12-16 CN CN201621382654.6U patent/CN206418477U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034010A (en) * | 2020-09-09 | 2020-12-04 | 东南大学 | Controllable rate resistivity static sounding test system and method for frozen soil exploration |
| CN113186892A (en) * | 2021-05-08 | 2021-07-30 | 唐山工业职业技术学院 | Static sounding test method |
| CN113186891A (en) * | 2021-05-08 | 2021-07-30 | 唐山工业职业技术学院 | Multifunctional static sounding system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Country or region after: China Address before: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee before: SHANGHAI GEOTECHNICAL INVESTIGATIONS & DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |