CN102400456A - Environment piezocone penetration test probe capable of testing fluorescence intensity of soil body - Google Patents
Environment piezocone penetration test probe capable of testing fluorescence intensity of soil body Download PDFInfo
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- CN102400456A CN102400456A CN2011103647611A CN201110364761A CN102400456A CN 102400456 A CN102400456 A CN 102400456A CN 2011103647611 A CN2011103647611 A CN 2011103647611A CN 201110364761 A CN201110364761 A CN 201110364761A CN 102400456 A CN102400456 A CN 102400456A
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Abstract
The invention discloses an environment piezocone penetration test probe capable of testing fluorescence intensity of a soil body. The periphery of the probe is provided with a probe rod (1); an analog-to-digital converter (2) is arranged in the upper half section of the probe rod (1); a sapphire window (3) is embedded into the periphery of the upper half section of the probe rod (1); a mercury lamp (4) is opposite to the sapphire window (3); a photodiode array detector (5) is tightly attached to the surface of the sapphire window (3), is encircled by a sealing box (6) and is connected with the analog-to-digital converter (2) through a wire; the lower half section of the probe rod (1) is connected with a side wall friction barrel (7); a conical probe (9) is connected below the side wall friction barrel (7); and a pore pressure filtering ring (8) is positioned between the side wall friction barrel (7) and the conical probe (9). The environment probe has the characteristics that the probe is in-situ, quick, accurate, economic, simple and convenient, and the like, and a powerful detection tool is provided for geoenvironmental engineering practice.
Description
Technical field
The present invention relates to a kind of environment hole of surveying soil body fluorescence intensity and press static sounding probe, belong to a kind of in geotechnical engineering and the field of environment engineering and can detect whether pollutant in the underground soil body exists and the static sounding device of CONCENTRATION DISTRIBUTION.
Background technology
The static sounding technology is meant the sounding rod indentation test soil layer that utilizes pressure apparatus will have contact probe; Through the native static point resistance of measurement system test, sidewall frictional resistance etc.; Can confirm some basic physico mechanical characteristic of soil, like the modulus of deformation of soil, the allowable bearing of soil etc.The static sounding technology is the history in existing more than 80 year so far.The extensive use static sounding has partly or entirely replaced probing and the sampling in the engineering investigation in the world.China at first succeeded in developing the electric measuring type static sounding and is applied to prospecting in nineteen sixty-five.Along with the fast development of sensor technology, a lot of new static sounding technology occurred in recent years, these technology can obtain pore water pressure, seismic wave, pollutant proterties, temperature even the image of soil layer quickly and accurately.It is widely used in the environmental geotechnical field abroad.Along with rapid economy development; The quickening of urbanization and process of industrialization; The soil body 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.For the detection whether pollutant exists, adopt the means of measuring soil body resistivity, electrical conductivity and fluorescence intensity to judge usually.Hydrocarbon is one of main, the most general underground pollution thing, and most of hydrocarbons can produce fluorescence phenomenon owing to contain the polyaromatic composition when adopting multi-form illumination to penetrate.Research shows; Regular fuel pollutes and all to show very strong fluorescence signal like aviation kerosine, jet fuel oil, gasoline and diesel oil etc., and the fluorescence phenomenon that organic matter pollutes is very sensitive, need only to contain 100,000 in the solvent/ fuel oil; Can be luminous; Therefore and the fluorescence intensity that pollutant sends is being indicated the concentration of this pollutant in soil, and whether fluorescence analysis commonly used identifies in the underground soil layer oil-containing in oil-gas exploration work, and confirms its component and content roughly.Therefore; Based on this physical phenomenon; Press static sounding (CPTU) probe in conjunction with conventional hole, the present invention proposes the environment hole pressure static sounding probe that a fluorescent probe capable of using is measured the soil sample fluorescence intensity, thereby utilize this existence of popping one's head in detection of contamination and content thereof.
Summary of the invention
Technical problem:The technical problem that the present invention will solve is the defective that exists to the quiet spy technology of domestic existing single doube bridge, proposes a kind of environment hole that can be used for the soil body the tested fluorescence intensity of environmental area and presses static sounding probe.
Technical scheme:It is feeler lever that the static sounding probe periphery is pressed in the environment hole of testing soil body fluorescence intensity of the present invention; Be provided with analog-digital converter in feeler lever upper semisection inside, be embedded with the sapphire form in the upper semisection periphery of feeler lever, with the sapphire form over against be mercury vapor lamp; What be close to sapphire form surface is photodiode array detector; Stuffing box surrounds photodiode array detector, and photodiode array detector directly links to each other with analog-digital converter through lead, and the lower semisection of feeler lever links to each other with the sidewall friction tube; The below of sidewall friction tube is connected with the circular cone probe, and hole press filtration ring is between sidewall friction tube and circular cone probe.
The cone angle of described circular cone probe is 60 °, and the awl basal cross section is long-pending to be 10 cm
2, sidewall friction tube surface area is 150 cm
2
Said sapphire form diameter is 5.35mm, and the distance of boring cusp with the circular cone probe is 50cm.
Static sounding probe is pressed in the environment hole of testing soil body fluorescence intensity of the present invention, and its fluorescence intensity part of detecting mainly is made up of systems such as analog-digital converter, sapphire form, mercury vapor lamp, photodiode array detector and stuffing boxs.Mercury vapor lamp receives surface system to excite the generation light source; Seeing through the sapphire form is radiated in the soil layer on the pollutant; The pollutant fluorescence that produces that is stimulated receives and converts into the signal of telecommunication by photodiode array detector; The signal of telecommunication converts data signal into through analog-digital converter and together transfers to the collection and the storage system on the face of land with the CPTU cable, and stuffing box guarantees that then the optical signal of photodiode array detector collection does not receive the influence of mercury vapor lamp light source, guarantee test accuracy and reliability.
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 pollutant, fluorescence intensity that can the Validity Test soil body, thus whether and content the existence of judging pollutant.
Description of drawings
Fig. 1 is component arrangement figure of the present invention;
Wherein have: feeler lever 1, analog-digital converter 2, sapphire form 3, mercury vapor lamp 4, photodiode array detector 5, stuffing box 6, sidewall friction tube 7, hole press filtration ring 8, circular cone probe 9.
The specific embodiment
A kind of environment hole of testing soil body fluorescence intensity of the present invention presses static sounding probe to comprise: feeler lever 1, analog-digital converter 2, sapphire form 3, mercury vapor lamp 4, photodiode array detector 5, stuffing box 6, sidewall friction tube 7, hole press filtration ring 8, circular cone probe 9.
Be provided with analog-digital converter 2 in feeler lever 1 upper semisection inside; Upper semisection periphery at feeler lever 1 is embedded with sapphire form 3; With sapphire form 3 over against be mercury vapor lamp 4, what be close to sapphire form 3 surface is photodiode array detector 5, stuffing box 6 surrounds photodiode array detector 5; And photodiode array detector 5 directly links to each other with analog-digital converter 2 through lead; The lower semisection of feeler lever 1 links to each other with sidewall friction tube 7, and the below of sidewall friction tube 7 is connected with circular cone probe 9, and hole press filtration ring 8 is between sidewall friction tube 7 and circular cone probe 9.
The function of this probe is integrated function of conventional static sounding (can survey end resistance, frictional resistance and hole presses) and test soil body fluorescence intensity has further developed the technological content of multi-functional CPTU.
Mercury vapor lamp receives surface system to excite the generation light source; Seeing through the sapphire form is radiated in the soil layer on the pollutant; The be stimulated fluorescence that produces of pollutant is received by photodiode array detector and converts the signal of telecommunication into, and the signal of telecommunication converts data signal together transfers to the face of land with the CPTU cable collection and storage system into through analog-digital converter.Stuffing box guarantees that then the optical signal of photodiode array detector collection does not receive the influence of mercury vapor lamp light source, guarantee test accuracy and reliability.Intensity of fluorescence receives and the acquisition quantitative evaluation through photodiode array detector.The data signal of optical signal after analog-digital converter is handled makes all signals to transmit through a cable, reduces redundant.Face of land microcomputer collection and storage system be the fluorescence intensity signals of continuous acquisition reception then, draws the sectional drawing of real-time continuous.
Claims (3)
1. static sounding probe is pressed in the environment hole that can test soil body fluorescence intensity; It is characterized in that this probe periphery is feeler lever (1); Be provided with analog-digital converter (2) in feeler lever (1) upper semisection inside; Periphery is embedded with sapphire form (3), with sapphire form (3) over against be mercury vapor lamp (4), what be close to sapphire form (3) surface is photodiode array detector (5); Stuffing box (6) surrounds photodiode array detector (5), and photodiode array detector (5) links to each other with analog-digital converter (2) through lead; The lower semisection of feeler lever (1) links to each other with sidewall friction tube (7), and the below of sidewall friction tube (7) is connected with circular cone probe (9), and hole press filtration ring (8) is positioned between sidewall friction tube (7) and the circular cone probe (9).
2. static sounding probe is pressed in the environment hole of surveying soil body fluorescence intensity according to claim 1, it is characterized in that the cone angle of circular cone probe (9) is 60 °, and the awl basal cross section is long-pending to be 10 cm
2, sidewall friction tube (7) surface area is 150 cm
2
3. static sounding probe is pressed in the environment hole of surveying soil body fluorescence intensity according to claim 1, it is characterized in that sapphire form (3) diameter is 5.35mm, and the distance of boring cusp with circular cone probe (9) is 50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103647611A CN102400456A (en) | 2011-11-17 | 2011-11-17 | Environment piezocone penetration test probe capable of testing fluorescence intensity of soil body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103647611A CN102400456A (en) | 2011-11-17 | 2011-11-17 | Environment piezocone penetration test probe capable of testing fluorescence intensity of soil body |
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| CN102400456A true CN102400456A (en) | 2012-04-04 |
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| CN2011103647611A Pending CN102400456A (en) | 2011-11-17 | 2011-11-17 | Environment piezocone penetration test probe capable of testing fluorescence intensity of soil body |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817346A (en) * | 2012-08-27 | 2012-12-12 | 东南大学 | Acoustic static sounding probe used for site identification |
| CN103439038A (en) * | 2013-07-11 | 2013-12-11 | 重庆水利电力职业技术学院 | Device for measuring consolidation force of tree root system to soil |
| CN104634795A (en) * | 2014-12-18 | 2015-05-20 | 东南大学 | Environmental pore pressure probe capable of effectively detecting heavy metal elements in deep soil body |
| CN114878430A (en) * | 2022-03-28 | 2022-08-09 | 广州德百顺蓝钻科技有限公司 | Water filtering ring for static sounding probe and preparation method thereof |
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| JP2009035945A (en) * | 2007-08-02 | 2009-02-19 | Japan Health Science Foundation | Device for testing foldable static cone penetration |
| CN101858075A (en) * | 2010-04-27 | 2010-10-13 | 东南大学 | Environmental static sounding probe for contaminated foundation soil |
| CN201635064U (en) * | 2010-04-12 | 2010-11-17 | 东南大学 | Resistivity static sounding probe |
| CN201844991U (en) * | 2010-11-11 | 2011-05-25 | 东南大学 | Environment pore pressure cone penetration test probe capable of testing dielectric constant of soil body |
| CN202323913U (en) * | 2011-11-17 | 2012-07-11 | 东南大学 | Environmental pore-pressure static sounding probe capable of testing fluorescence intensity of soil body |
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2011
- 2011-11-17 CN CN2011103647611A patent/CN102400456A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| JP2578337B2 (en) * | 1987-10-21 | 1997-02-05 | 基礎地盤コンサルタンツ株式会社 | Static cone penetration test method and apparatus |
| DE19617106A1 (en) * | 1996-04-19 | 1997-10-23 | Lla Umwelttechnische Analytik | Measurement probe for organic contaminants in water and earth by fluorescent spectroscopy |
| JP2009035945A (en) * | 2007-08-02 | 2009-02-19 | Japan Health Science Foundation | Device for testing foldable static cone penetration |
| CN201635064U (en) * | 2010-04-12 | 2010-11-17 | 东南大学 | Resistivity static sounding probe |
| CN101858075A (en) * | 2010-04-27 | 2010-10-13 | 东南大学 | Environmental static sounding probe for contaminated foundation soil |
| CN201844991U (en) * | 2010-11-11 | 2011-05-25 | 东南大学 | Environment pore pressure cone penetration test probe capable of testing dielectric constant of soil body |
| CN202323913U (en) * | 2011-11-17 | 2012-07-11 | 东南大学 | Environmental pore-pressure static sounding probe capable of testing fluorescence intensity of soil body |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817346A (en) * | 2012-08-27 | 2012-12-12 | 东南大学 | Acoustic static sounding probe used for site identification |
| CN103439038A (en) * | 2013-07-11 | 2013-12-11 | 重庆水利电力职业技术学院 | Device for measuring consolidation force of tree root system to soil |
| CN103439038B (en) * | 2013-07-11 | 2015-07-22 | 重庆水利电力职业技术学院 | Device for measuring consolidation force of tree root system to soil |
| CN104634795A (en) * | 2014-12-18 | 2015-05-20 | 东南大学 | Environmental pore pressure probe capable of effectively detecting heavy metal elements in deep soil body |
| CN114878430A (en) * | 2022-03-28 | 2022-08-09 | 广州德百顺蓝钻科技有限公司 | Water filtering ring for static sounding probe and preparation method thereof |
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Application publication date: 20120404 |