CN109406366A - Engineering geology reconnaissance device and use method thereof - Google Patents
Engineering geology reconnaissance device and use method thereof Download PDFInfo
- Publication number
- CN109406366A CN109406366A CN201811456805.1A CN201811456805A CN109406366A CN 109406366 A CN109406366 A CN 109406366A CN 201811456805 A CN201811456805 A CN 201811456805A CN 109406366 A CN109406366 A CN 109406366A
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- China
- Prior art keywords
- shell
- end cover
- hydraulic pressure
- mark post
- engineering geological
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002689 soil Substances 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims abstract description 27
- 238000011835 investigation Methods 0.000 claims description 27
- 238000007667 floating Methods 0.000 claims description 12
- 230000008595 infiltration Effects 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an engineering geological survey device and a using method thereof, the engineering geological survey device comprises a cylindrical shell, one end of the shell is in threaded connection with a hollow end cap, a plurality of water through holes are formed in the end cap and used for water circulation, a first probe or a second probe is arranged in the shell, and two pillows can be switched to be used according to different conditions, so that the difficulty in the prior art is solved, the permeability of foundation soil can be accurately known in the hydrogeological survey, and a basis is provided for engineering survey design. Belongs to the technical field of engineering geology.
Description
Technical field
The present invention relates to a kind of engineering geological investigation device and its application methods, belong to engineering geology technical field.
Background technique
In the Hydrogeologic Survey of all kinds of engineerings, the Penetration Signature of foundation soil is the emphasis of survey, and design
With the component part of key parameter in construction.The conventional field test for determining infiltration coefficient mainly have bailing test, water injection test,
Water lifting test etc., these method major defects are that the test period is long, and labor intensive and material resources are more, by field work conditionality
Greatly.
A kind of stratum osmotic coefficient is disclosed in notification number CN107153038A, the patent of the day for announcing 20170912 quickly to survey
Fixed probe and its application method, probe are equipped with resistance-type hydraulic pressure sensor and including analog to digital conversion circuits and circuit for signal conditioning structure
At circuit board, output signal is connected to portable computer by communication cable and USB plug.The resistance-type hydraulic pressure of probe passes
Sensor enters slug test by calibration, in test probe be placed in the water range of disturbance under water barrel or under water filling water pump it
Outside.
Probe in above-mentioned patent is greatly improved water lifting test efficiency and precision, has application in engineering geological investigation
Extensively, can industrialization prospect.But this probe can only be tested in saturated aqueous layer, the soil layer if necessary to detection contains
Water shortage after inserting a probe into soil layer, cannot make hydraulic pressure sensor show that the reality of soil layer can be aqueous into the water in probe
Amount, has that the scope of application is small.
Summary of the invention
It is an object of the invention to: a kind of engineering geological investigation device and its application method are provided, to solve the prior art
Difficulty, make in hydrogeological investigation, can accurately understand ground soil permeability, for engineering investigation design foundation is provided.
To solve the above problems, such a engineering geological investigation device of proposed adoption, the shell including tubular, the one of shell
End is threaded with hollow end cap, and multiple limbers are offered in end cap, for circulation of supplying water, is provided with the first spy in shell
Head or the second probe；
First probe includes hydraulic pressure sensor, support rod and first end cover, and first end cover is covered on the shell
The other end, one end of support rod pass through the through-hole opened up in first end cover and extend in shell, and hydraulic pressure sensor is fixed on described
On one end of support rod, and sealed between support rod and the inner wall of shell by gasket, one end of hydraulic pressure sensor and cable
It is connected, threading hole of the other end through opening up in first end cover of cable extends to the outside of shell, and is arranged on the other end of cable
There is connectivity port；
Second probe includes floating ball, mark post and second end cover, and second end cover is covered on the other end of the shell, marks
Mark post through-hole of the one end of bar through opening up in second end cover extends in end cap, and floating ball is fixed on one end of the mark post, described
Water injection hole is also provided in second end cover.
In aforementioned engineering geological investigation device, the hydraulic pressure sensor is located in end cap, and one end of the support rod is arranged
There is gasket, and gasket pressure is set between support rod and the inner wall of shell, by the sealing point of the inner space of end cap and shell
Every；
In aforementioned engineering geological investigation device, the open at one end of the shell is set as taper type, the gasket be with
The taper type for closing shell end opening, after support rod is inserted into shell, the gasket outside hydraulic pressure sensor is bonded housing bottom, will
Shell and end cap completely cut off, and the water in end cap cannot be introduced into shell, further improve measurement accuracy；
In aforementioned engineering geological investigation device, is offered on the inside of the first end cover and set the first of shell end for card
Annular slot, the other end of the shell are arranged in first annular card slot, to realize the connection of first end cover and shell, are realized
Support rod and shell it is relatively fixed, position of the hydraulic pressure sensor in end cap is constant, improve measurement accuracy；
In aforementioned engineering geological investigation device, is offered on the inside of the second end cover and set the second of shell end for card
Annular slot, the other end of the shell are arranged in the second annular slot, to realize the connection of second end cover and shell；
It is arranged with the sliding sleeve for mark post fitting sliding in aforementioned engineering geological investigation device, outside the mark post, and sliding sleeve
The inside of second end cover is fixed in one end, and by using above-mentioned technical proposal, after shell is caught in the second card slot, sliding sleeve and shell are protected
Hold relatively fixed, mark post can only slide along sliding sleeve length direction, avoid mark post from shaking, cause staff that can not accurately hold mark
The position of bar；
In aforementioned engineering geological investigation device, graduation mark, staff are marked with along length direction on the mark post
The change in location that can see mark post in time according to graduation mark achieves the beneficial effect for improving measurement accuracy.
The application method of above-mentioned engineering geological investigation device, which comprises the following steps:
S1. it cuts the earth and samples at place to be detected, determine the water content of soil layer；
If S2-1. soil layer to be measured is saturated aqueous layer, the first probe is inserted into shell and is installed, by the port of cable
It is connected with data processing equipment；
S3-1. designated position is inserted the housing into soil and reaches, the variation of hydraulic pressure is detected by hydraulic pressure sensor 31 in end cap
And it is transmitted to data processing equipment, when stable water pressure, the as hydraulic pressure value of designated position is scaled the infiltration coefficient of soil layer；
If S2-2. soil moisture in layer to be measured is low, water content is inserted into shell and is installed less than 20%, by the second probe,
So that the lower surface of floating ball is contacted the inner sidewall of end cap, writes down the current location of mark post；
S3-2. designated position is inserted the housing into soil and reached, a certain amount of water is gradually injected in shell, is opened simultaneously
Beginning timing stops timing, and calculate the infiltration coefficient of the soil layer when floating ball contacts end cap inner sidewall again.
Compared with prior art, the advantages of present invention has structure simple, is convenient for operation can be realized to unsaturated aqueous
The detection of layer, calculates infiltration coefficient, improves the scope of application of investigation arrangement, make in hydrogeological investigation, can accurately understand
Ground soil permeability provides foundation for engineering investigation design.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is the first probe of shell assembly of the present invention；
Structural schematic diagram when Fig. 2 is the second probe of shell assembly of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment to skill of the invention
Art scheme is clearly and completely described, it is clear that the described embodiment is only a part of the embodiment of the present invention, rather than complete
The embodiment in portion, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment:
Referring to attached drawing 1 and Fig. 2, the present embodiment provides a kind of engineering geological investigation devices, the shell 1 including tubular, shell 1
Threaded one end be connected with hollow end cap 2, multiple limbers 21 are offered in end cap 2, are set for circulation of supplying water, in shell 1
It is equipped with the first probe 3 or the second probe 4；
First probe 3 includes hydraulic pressure sensor 31, support rod 32 and first end cover 35, and first end cover 35 is covered on the shell
The other end of body 1, one end of support rod 32 pass through the through-hole opened up in first end cover 35 and extend in shell 1, hydraulic pressure sensor
31 are fixed on one end of the support rod 32, and are sealed between support rod 32 and the inner wall of shell 1 by gasket 36, preferably
Ground, the hydraulic pressure sensor 31 are located in end cap 2, and one end of the support rod 32 is arranged with gasket 36, and gasket 36 is pressed
Between support rod 32 and the inner wall of shell 1, by the inner space sealed separation of end cap 2 and shell 1, the shell 1
Open at one end to be set as taper type, the gasket 36 is the cooperation open-ended taper type of shell 1, to guarantee sealing effect,
Hydraulic pressure sensor 31 is connected with one end of cable 33, and threading hole of the other end through opening up in first end cover 35 of cable 33 extends to shell
The outside of body 1, and connectivity port 34 is provided on the other end of cable 33；
Second probe 4 includes floating ball 42, mark post 43 and second end cover 45, and second end cover 45 is covered on the another of the shell 1
The mark post through-hole of the one end through opening up in second end cover 45 of one end, mark post 43 extends in end cap 2, and floating ball 42 is fixed on the mark post
On 43 one end, water injection hole 41 is also provided in the second end cover 45.
The inside of first end cover 35 offers the first annular card slot 37 that 1 end of shell is set for card, the shell 1 it is another
One end is arranged in first annular card slot 37, to realize the connection of first end cover 35 Yu shell 1；Also it opens the inside of second end cover 45
Equipped with the second annular slot 46 for setting 1 end of shell for card, the other end of the shell 1 is arranged in the second annular slot 46
It is interior, to realize the connection of second end cover 45 Yu shell 1, the sliding sleeve 44 for the fitting sliding of mark post 43 is arranged with outside mark post 43, and sliding
The inside of second end cover 45 is fixed in one end of set 44, is marked with graduation mark along length direction on the mark post 43.
The application method of above-mentioned engineering geological investigation device is as follows:
S1. it cuts the earth and samples at place to be detected, determine the water content of soil layer；
If S2-1. soil layer to be measured is saturated aqueous layer, the first probe 3 is inserted into shell 1 and is installed, by cable 33
Port 34 is connected with data processing equipment；
S3-1. shell 1 is inserted into soil and is reached designated position, the variation of hydraulic pressure is examined by hydraulic pressure sensor 31 in end cap 2
Data processing equipment is surveyed and is transmitted to, when stable water pressure, the as hydraulic pressure value of designated position is scaled the infiltration system of soil layer
Number；
If S2-2. soil moisture in layer to be measured is low, water content is inserted into shell 1 and is installed less than 20%, by the second probe 4
It is good, so that the lower surface of floating ball 42 is contacted the inner sidewall of end cap 2, writes down the number that 43 high scale line of mark post is located at second end cover 45
Value；
S3-2. shell 1 is inserted into soil and is reached designated position, a certain amount of water is gradually injected in shell 1, simultaneously
Start timing；Since water is deposited in end cap 2, floating ball 42 will float, when the water in shell 1 and end cap 2 is along soil layer gap
After flowing away, floating ball 42 will be bonded 2 inner sidewall of end cap again, staff can be spent from the variation of 43 position of mark post when
Between, the infiltration coefficient of soil layer is calculated, realizes the detection to unsaturated water-bearing layer.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, it will be apparent to an ordinarily skilled person in the art that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. a kind of engineering geological investigation device and its application method, it is characterised in that: the shell (1) including tubular, shell (1)
Threaded one end is connected with hollow end cap (2), is offered in end cap (2) multiple limbers (21), is provided with first in shell (1)
It pops one's head in (3) or second pops one's head in (4)；
First probe (3) includes hydraulic pressure sensor (31), support rod (32) and first end cover (35), first end cover (35) lid
The other end set on the shell (1), one end of support rod (32) pass through the through-hole opened up on first end cover (35) and extend to shell
In body (1), hydraulic pressure sensor (31) is fixed on one end of the support rod (32), and support rod (32) and shell (1) is interior
It is sealed between wall by gasket (36), hydraulic pressure sensor (31) is connected with one end of cable (33), the other end of cable (33)
Threading hole through opening up on first end cover (35) extends to the outside of shell (1), and is provided with connection on the other end of cable (33)
Port (34)；
Second probe (4) includes floating ball (42), mark post (43) and second end cover (45), and second end cover (45) is covered on described
The other end of shell (1), mark post through-hole of the one end through opening up on second end cover (45) of mark post (43) extend in end cap (2), float
Ball (42) is fixed on one end of the mark post (43), is also provided with water injection hole (41) on the second end cover (45).
2. a kind of engineering geological investigation device and its application method according to claim 1, it is characterised in that: the hydraulic pressure passes
Sensor (31) is located in end cap (2), and one end of the support rod (32) is arranged with gasket (36), and gasket (36) pressure is set to
Between support rod (32) and the inner wall of shell (1), by the inner space sealed separation of end cap (2) and shell (1).
3. a kind of engineering geological investigation device and its application method according to claim 2, it is characterised in that: the shell
(1) open at one end is set as taper type, and the gasket (36) is cooperation shell (1) open-ended taper type.
4. a kind of engineering geological investigation device and its application method according to claim 1, it is characterised in that: the first end
It is offered on the inside of lid (35) for blocking the first annular card slot (37) for setting shell (1) end, the other end card of the shell (1)
In first annular card slot (37), to realize the connection of first end cover (35) Yu shell (1).
5. a kind of engineering geological investigation device and its application method according to claim 1, it is characterised in that: the second end
It is offered on the inside of lid (45) for blocking the second annular slot (46) for setting shell (1) end, the other end card of the shell (1)
In the second annular slot (46), to realize the connection of second end cover (45) Yu shell (1).
6. a kind of engineering geological investigation device and its application method according to claim 1, it is characterised in that: the mark post
(43) sliding sleeve (44) for mark post (43) fitting sliding is arranged with outside, and second end cover (45) is fixed in one end of sliding sleeve (44)
Inside.
7. a kind of engineering geological investigation device and its application method according to claim 1, it is characterised in that: the mark post
(43) graduation mark is marked with along length direction on.
8. the application method of engineering geological investigation device described in any claim in claim 1-7, which is characterized in that including
Following steps:
S1. it cuts the earth and samples at place to be detected, determine the water content of soil layer；
If S2-1. soil layer to be measured is saturated aqueous layer, the first probe (3) is inserted into shell (1) and is installed, by cable (33)
Port (34) connected with data processing equipment；
S3-1. shell (1) is inserted into soil and reaches designated position, the variation of end cap (2) interior hydraulic pressure is by hydraulic pressure sensor (31)
Data processing equipment is detected and is transmitted to, when stable water pressure, the as hydraulic pressure value of designated position is scaled the infiltration system of soil layer
Number；
If S2-2. soil moisture in layer to be measured is low, water content is inserted into shell (1) and is installed less than 20%, by the second probe (4)
It is good, so that the lower surface of floating ball (42) is contacted the inner sidewall of end cap (2), writes down the current location of mark post (43)；
S3-2. shell (1) is inserted into soil and is reached designated position, a certain amount of water is gradually injected in shell (1), simultaneously
Start timing, when floating ball (42) contacts end cap (2) inner sidewall again, stops timing, and calculate the infiltration coefficient of the soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456805.1A CN109406366A (en) | 2018-11-30 | 2018-11-30 | Engineering geology reconnaissance device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456805.1A CN109406366A (en) | 2018-11-30 | 2018-11-30 | Engineering geology reconnaissance device and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109406366A true CN109406366A (en) | 2019-03-01 |
Family
ID=65456679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811456805.1A Pending CN109406366A (en) | 2018-11-30 | 2018-11-30 | Engineering geology reconnaissance device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109406366A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263658A (en) * | 2006-03-28 | 2007-10-11 | Japan Atomic Energy Agency | Method for in-situ water sealing test on borehole filler, system for in-situ water sealing test on the borehole filler, method for permeability coefficient analysis of borehole filler top part, method for intensity analysis of the borehole filler top part, and experimental device for borehole filler in water-sealed chamber |
| CN201187297Y (en) * | 2008-05-09 | 2009-01-28 | 中国水电顾问集团成都勘测设计研究院 | Apparatus for measuring permeability coefficient |
| CN203606259U (en) * | 2013-12-04 | 2014-05-21 | 中国科学院地质与地球物理研究所 | Device for determining infiltration rule of unsaturated soil |
| CN107153038A (en) * | 2017-06-08 | 2017-09-12 | 铁道第三勘察设计院集团有限公司 | Stratum osmotic coefficient quickly determines probe and its application method |
| CN108226001A (en) * | 2017-11-30 | 2018-06-29 | 成都理工大学 | A kind of bicyclic method automatic test device and bicyclic water injection test method |
| CN108760599A (en) * | 2018-05-16 | 2018-11-06 | 河海大学 | A kind of simulating measuring device |
| CN209624307U (en) * | 2018-11-30 | 2019-11-12 | 中国电建集团贵阳勘测设计研究院有限公司 | Engineering geology reconnaissance device |
-
2018
- 2018-11-30 CN CN201811456805.1A patent/CN109406366A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263658A (en) * | 2006-03-28 | 2007-10-11 | Japan Atomic Energy Agency | Method for in-situ water sealing test on borehole filler, system for in-situ water sealing test on the borehole filler, method for permeability coefficient analysis of borehole filler top part, method for intensity analysis of the borehole filler top part, and experimental device for borehole filler in water-sealed chamber |
| CN201187297Y (en) * | 2008-05-09 | 2009-01-28 | 中国水电顾问集团成都勘测设计研究院 | Apparatus for measuring permeability coefficient |
| CN203606259U (en) * | 2013-12-04 | 2014-05-21 | 中国科学院地质与地球物理研究所 | Device for determining infiltration rule of unsaturated soil |
| CN107153038A (en) * | 2017-06-08 | 2017-09-12 | 铁道第三勘察设计院集团有限公司 | Stratum osmotic coefficient quickly determines probe and its application method |
| CN108226001A (en) * | 2017-11-30 | 2018-06-29 | 成都理工大学 | A kind of bicyclic method automatic test device and bicyclic water injection test method |
| CN108760599A (en) * | 2018-05-16 | 2018-11-06 | 河海大学 | A kind of simulating measuring device |
| CN209624307U (en) * | 2018-11-30 | 2019-11-12 | 中国电建集团贵阳勘测设计研究院有限公司 | Engineering geology reconnaissance device |
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