CN102520134A - Environmental probe capable of in-situ testing pH value of soil body - Google Patents

Environmental probe capable of in-situ testing pH value of soil body Download PDF

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Publication number
CN102520134A
CN102520134A CN2011103875497A CN201110387549A CN102520134A CN 102520134 A CN102520134 A CN 102520134A CN 2011103875497 A CN2011103875497 A CN 2011103875497A CN 201110387549 A CN201110387549 A CN 201110387549A CN 102520134 A CN102520134 A CN 102520134A
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probe
value
soil
hole
environment
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CN2011103875497A
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CN102520134B (en
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蔡国军
刘松玉
邹海峰
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Southeast University
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Southeast University
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Publication of CN102520134B publication Critical patent/CN102520134B/en
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Abstract

The invention discloses an environmental hole-pressure static sounding probe capable of in-situ testing a pH value of a soil body, wherein a sounding rod (9) is connected to the upper part of the sounding probe; a pH value testing cavity (8) and a pH value meter (7) are arranged at the upper part of the lower half section of the probe; a gradiograph (6) and a three-component seismic detector (5) are arranged at the lower part of the lower half section of the probe; a temperature sensor (4) is arranged at the lower part of the three-component seismic detector (5); the probe (1) is connected below a friction cylinder (3); and a hole-pressure filter ring (2) is positioned at the junction of the friction cylinder (3) and the probe (1). The environmental probe disclosed by the invention has the characteristics of being in-situ, convenient, rapid, accurate, economic and the like and is used for providing rapid and effective test parameters for evaluating alkalinity and acidity of an underground soil body.

Description

But a kind of environment of in-situ test soil body pH value probe
Technical field
But the present invention relates to a kind of environment probe of on-the-spot test soil body pH value, belong to a kind of static sounding device that can detect underground soil body Acidity of Aikalinity in Geotechnical Engineering and the field of environment engineering.
Background technology
Along with rapid economy development; The quickening of urbanization and process of industrialization; Place soil pollutes more and more serious, and the ground circle environment that we depend on for existence goes from bad to worse, and environmental geotechnical engineering problems has become China's Geotechnical Engineering and environmental engineering worker important research project.Because the immersion of acid rain, the potential of hydrogen of the soil body can change.The potential of hydrogen of the general soil body is all passed through on-site sampling, takes pH appearance or acidometer to measure the pH value of soil sample in the laboratory, the pH value of also available " wide model test paper colourimetry " simple measuring soil.The method is because the disturbance of sampling like this, often test value distortion, moreover in the transportation soil sample process since the forfeiture of moisture certainly will impact soil body ions content.The potential of hydrogen on-the-spot test of the at present external soil body is measured through the pH meter that is installed on the static sounding surface.Its maximum defective is that the pore water in the soil clamp-ons test chamber, has the process of pore pressure dissipation.The pH value realizes this process for for the low-permeability soil body the clay, being difficult to test accurately, all must clean behind the each reading of pH meter in addition.And pH meter is prone to produce wear-out failure.The present invention is installed on pH meter in the rear groove that measure to survey the friction resistance sensor, and probe penetration process mesoporosity water forms eddy current at groove, can be so that pH meter METHOD FOR CONTINUOUS DETERMINATION soil body hole liquid potential of hydrogen, and protect instrument to avoid wearing and tearing effectively.Continuous pH value section can judge effectively that the pH value exists the responsive soil body that changes to pollute when contaminated, and accurately judges and confirm that chemical reaction is taking place for it.
The present invention is based on conventional hole and press static sounding probe, proposed a kind of can be convenient, fast, the instrument of in-situ test pH value that testing cost is cheap, for the evaluation of underground soil body Acidity of Aikalinity provides test parameter efficiently and effectively.
Summary of the invention
Technical matters:The technical matters that the present invention will solve is to the domestic original position evaluation that can't carry out soil body Acidity of Aikalinity, proposes a kind of environment hole that can be used for the soil body the tested pH value of environmental area and presses static sounding probe.Utilize this probe can judge effectively that the pH value exists the responsive soil body that changes to pollute when contaminated, and accurately judge and confirm that chemical reaction is taking place for it.
Technical scheme:Static sounding probe is pressed in the environment hole of surveying soil body pH value of the present invention, and the top in its probe is provided with pH value test chamber and pH value meter; The bottom of probe is provided with tiltmeter and 3-component earthquake detector; Bottom at 3-component earthquake detector is provided with temperature sensor; In the bottom of temperature sensor is friction cylinder, below friction cylinder, is connected with probe, and hole press filtration ring is positioned at the junction of friction cylinder and probe; The feeler inspection probe is identical with the feeler lever diameter, and this probe probe top connects feeler lever.
The cone angle of circular cone probe is 60 °, and the awl basal cross section is long-pending to be 10 cm 2, the friction cylinder surface area is 150 cm 2
Hole press filtration ring thickness is 5 mm, and probe useful area ratio is 0.8.
3-component earthquake detector: natural frequency 100HZ/60HZ, sensitivity 104mV/kine, impedance 215 Ω.
Tiltmeter: drift angle measurement range: 0 °~15 °; Precision: ± 0.1 °; Drift angle resolution: 0.01 °;
The pH range ability of pH value meter: 0-14; Moisture scope: 1-8%; PH measuring accuracy: ± 0.2; Moisture precision: ± 1%; Environment temperature: 5-50 ℃.
Beneficial effect:The invention solves the quiet spy of domestic existing single doube bridge technology and can not detect the defective of underground soil body pH value, potential of hydrogen that can the effective evaluation soil body, thus whether and kind the existence of pollutant in the judgement soil body.
Description of drawings
Fig. 1 is component arrangement figure of the present invention;
Wherein have: probe 1, hole press filtration ring 2, friction cylinder 3, temperature sensor 4,3-component earthquake detector 5, tiltmeter 6, pH value meter 7, pH value test chamber 8, feeler lever 9.
Embodiment
The present invention can test the environment hole of soil body pH value and press static sounding probe to comprise:
Top in this probe is provided with pH value test chamber 8 and pH value meter 7; The bottom of probe is provided with tiltmeter 6 and 3-component earthquake detector 5; Be provided with temperature sensor 4 in the bottom of 3-component earthquake detector 5; In the bottom of temperature sensor 4 are friction cylinders 3, below friction cylinder 3, are connected with probe 1, and hole press filtration ring 2 is positioned at the junction of friction cylinder 3 and probe 1; The feeler inspection probe is identical with feeler lever 9 diameters, and this probe probe top connects feeler lever 9.The cone angle of circular cone probe 1 is 60 °, and the awl basal cross section is long-pending to be 10 cm 2, friction cylinder 3 surface areas are 150 cm 2
The environment hole of testing soil body pH value of the present invention presses static sounding probe top to connect feeler lever; Probe is provided with pH value test chamber and pH value meter with the feeler lever connecting portion; Probe penetration process mesoporosity water forms eddy current at groove; Can be so that pH meter METHOD FOR CONTINUOUS DETERMINATION soil body pore water potential of hydrogen, and protect instrument to avoid wearing and tearing effectively.The bottom of probe lower semisection is provided with tiltmeter and 3-component earthquake detector, is provided with temperature sensor in the bottom of 3-component earthquake detector, below friction cylinder, is connected with probe, and hole press filtration ring is positioned at the junction of friction cylinder and probe.
Hole press filtration ring 2 thickness are 5 mm, and probe useful area ratio is 0.8.3-component earthquake detector 5: natural frequency 100HZ/60HZ, sensitivity 104mV/kine, impedance 215 Ω.
Tiltmeter 6: drift angle measurement range: 0 °~15 °; Precision: ± 0.1 °; Drift angle resolution: 0.01 °;
The pH range ability of pH value meter 7: 0-14; Moisture scope: 1-8%; PH measuring accuracy: ± 0.2; Moisture precision: ± 1%; Environment temperature: 5-50 ℃.
The function of this probe is integrated function of conventional static sounding (can survey end resistance, frictional resistance, hole pressure, inclination, temperature, seismic event) and test soil body pH value has further expanded the technological content of multi-functional static sounding.

Claims (5)

1. static sounding probe is pressed in the environment hole that can survey soil body pH value, it is characterized in that the top in this probe is provided with pH value test chamber (8) and pH value meter (7); The bottom of probe is provided with tiltmeter (6) and 3-component earthquake detector (5); Be provided with temperature sensor (4) in the bottom of 3-component earthquake detector (5); In the bottom of temperature sensor (4) is friction cylinder (3), is connected with probe (1) in the below of friction cylinder (3), and hole press filtration ring (2) is positioned at the junction of friction cylinder (3) and probe (1); The feeler inspection probe is identical with feeler lever (9) diameter, and this probe probe top connects feeler lever (9).
2. static sounding probe is pressed in the environment hole of surveying soil body pH value according to claim 1, it is characterized in that the cone angle of circular cone probe (1) is 60 °, and the awl basal cross section is long-pending to be 10 cm 2, friction cylinder (3) surface area is 150 cm 2
3. static sounding probe is pressed in the environment hole of surveying soil body pH value according to claim 1, it is characterized in that hole press filtration ring (2) thickness is 5 mm, and probe useful area ratio is 0.8.
4. static sounding probe is pressed in the environment hole of surveying soil body pH value according to claim 1, it is characterized in that 3-component earthquake detector (5): natural frequency 100HZ/60HZ, sensitivity 104mV/kine, impedance 215 Ω.
5. static sounding probe is pressed in the environment hole of surveying soil body pH value according to claim 1, it is characterized in that tiltmeter (6): the drift angle measurement range: 0 °~15 °; Precision: ± 0.1 °; Drift angle resolution: 0.01 °;
Static sounding probe is pressed in the environment hole of surveying soil body pH value according to claim 1, it is characterized in that the pH range ability of pH value meter (7): 0-14; Moisture scope: 1-8%; PH measuring accuracy: ± 0.2; Moisture precision: ± 1%; Environment temperature: 5-50 ℃.
CN201110387549.7A 2011-11-30 2011-11-30 Environmental probe capable of in-situ testing pH value of soil body Expired - Fee Related CN102520134B (en)

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CN102520134B CN102520134B (en) 2015-01-28

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104458339A (en) * 2014-11-07 2015-03-25 中国科学院东北地理与农业生态研究所 Fixed depth pore water monitoring sampler and sampling method
CN107727687A (en) * 2017-11-14 2018-02-23 东南大学 A kind of off-axis thermal conductivity dynamic injection in-situ testing device for testing soil body thermal conductivity
CN109736284A (en) * 2018-12-14 2019-05-10 东南大学 It is a kind of for evaluating the vibration device and its test method of soil body dynamic characteristics
CN110412076A (en) * 2019-07-25 2019-11-05 商丘青木传感技术有限公司 A kind of online soil pH value sensor of novel permeation formula
CN110824139A (en) * 2019-10-22 2020-02-21 中国电建集团华东勘测设计研究院有限公司 Indoor piezocone penetration test device and method considering soil body temperature effect

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050100046A (en) * 2004-04-13 2005-10-18 에코랜드 주식회사 Eco cone penetration equipment for measuring ground bearing capacity, permeability and environment
US20090166520A1 (en) * 2007-11-09 2009-07-02 The Regents Of The University Of California In-situ soil nitrate ion concentration sensor
CN101799442A (en) * 2010-04-12 2010-08-11 东南大学 Resistivity static sounding probe
CN202362295U (en) * 2011-11-30 2012-08-01 东南大学 Environmental probe for field testing pH value of soil body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050100046A (en) * 2004-04-13 2005-10-18 에코랜드 주식회사 Eco cone penetration equipment for measuring ground bearing capacity, permeability and environment
US20090166520A1 (en) * 2007-11-09 2009-07-02 The Regents Of The University Of California In-situ soil nitrate ion concentration sensor
CN101799442A (en) * 2010-04-12 2010-08-11 东南大学 Resistivity static sounding probe
CN202362295U (en) * 2011-11-30 2012-08-01 东南大学 Environmental probe for field testing pH value of soil body

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104458339A (en) * 2014-11-07 2015-03-25 中国科学院东北地理与农业生态研究所 Fixed depth pore water monitoring sampler and sampling method
CN107727687A (en) * 2017-11-14 2018-02-23 东南大学 A kind of off-axis thermal conductivity dynamic injection in-situ testing device for testing soil body thermal conductivity
CN109736284A (en) * 2018-12-14 2019-05-10 东南大学 It is a kind of for evaluating the vibration device and its test method of soil body dynamic characteristics
CN109736284B (en) * 2018-12-14 2021-01-12 东南大学 Testing method of vibration device for evaluating dynamic characteristics of soil body
CN110412076A (en) * 2019-07-25 2019-11-05 商丘青木传感技术有限公司 A kind of online soil pH value sensor of novel permeation formula
CN110824139A (en) * 2019-10-22 2020-02-21 中国电建集团华东勘测设计研究院有限公司 Indoor piezocone penetration test device and method considering soil body temperature effect

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