CN102852128A - Probing method of static penetrometer - Google Patents
Probing method of static penetrometer Download PDFInfo
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- CN102852128A CN102852128A CN201210166353XA CN201210166353A CN102852128A CN 102852128 A CN102852128 A CN 102852128A CN 201210166353X A CN201210166353X A CN 201210166353XA CN 201210166353 A CN201210166353 A CN 201210166353A CN 102852128 A CN102852128 A CN 102852128A
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Abstract
The invention relates to the field of ground survey, in particular to a probing method of a static penetrometer. The probing method is characterized by at least including the following steps: installing a survey device on a static probing probe, and enabling the survey device to measure an inclined angle of the static probing probe; and arranging an analog-to-digital converter on the static probing probe, and enabling the analog-to-digital converter to receive analog signals measured by a static probing sensor, convert the analog signals into digital signals and transmit the digital signals to a data collector. The probing method has the advantages of being digitalized, capable of measuring angle values and temperature values, unidirectional in data, capable of performing controlling through a touch screen, audio-visual in data and capable of performing wireless transmission.
Description
Technical field
The present invention relates to the ground investigation field, be specifically related to a kind of probing method of static penetrometer.
Background technology
Static sounding refers to utilize pressure apparatus that the sounding rod indentation test soil layer of contact probe will be arranged, and the throughput examining system is surveyed the penetration resistance of soil, can determine some basic physical mechanics properties of soil, such as the modulus of deformation of soil, the allowable bearing of soil etc.It is compared with conventional exploitation methods such as " probing-sampling-laboratory tests ", have fast, accurately, the characteristics such as economy and saving manpower.Cone penetration test is in-situ testing method important in the engineering geologic investigation.
But according to the research to for many years static sounding execute-in-place test of District of Shanghai, the series of problems such as the temperature of traditional static penetrometer is floated, operation inclination angle can't satisfy the requirement of high-acruracy survey.Because the design of traditional instrument is not enough, cause the authenticity of image data to be difficult to identification simultaneously.When the test degree of depth was larger, certain inclination easily occured in the planeness that the method that is put to the test, equipment are installed, the straightness accuracy of drilling rod, the Material Strength of feeler lever, the effect of complicate factors such as soft or hard variation on stratum, static sounding pore volume.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of probing method of static penetrometer is provided, the method increases inclination measurement device at static sounding probe, and be implemented in static sounding probe inside and finish analog-to-digital conversion by analog-digital converter is set, the digital quantity of inclination angle, static sounding data is transferred to data collecting instrument, by the screen Real Time Monitoring of data collecting instrument, be convenient in time adjustment of site operation personnel and data and process, and the accuracy that improves survey data.
Realization of the present invention is finished by following technical scheme:
A kind of probing method of static penetrometer comprises data collecting instrument, and it is characterized in that: the method may further comprise the steps at least: at static sounding probe inclination measurement device is installed, described inclination measurement device is measured the inclination angle value of described static sounding probe; At static sounding probe analog-digital converter is set, described analog-digital converter receives the analog signal that the static sounding sensor records, and transfers to data collecting instrument after converting thereof into data signal.
Described inclination measurement device comprises the deviational survey sensor, and described deviational survey sensor output angle value is to described data collecting instrument.
The communication mode of described static sounding sensor is set to unidirectional output, and the communication mode of described data collecting instrument is set to unidirectional input.
Described inclination measurement device comprises acceleration of gravity meter and process chip at least, and described process chip receives the image data of described acceleration of gravity meter, measures the inclination angle value according to the acceleration of gravity principle, and exports the inclination angle value to described data collecting instrument.
Described acceleration of gravity meter comprises: the acceleration of gravity meter that is fixedly installed in the static sounding instrument probe X of place, Y, three directions of Z.
The transfer process of described analog-digital converter is: the pressure source analog signal of described static sounding sensor measurement gained is converted to data signal by described analog-digital converter, and this moment, analog signal was separated into three signal processing channels, pass through low pass filter and die-off, afterwards, data signal cooperates upper rectangular coordinate system to transfer to described data collecting instrument.
Described data collecting instrument adopts real-time curve chart to reflect the currency of probe cone point, sidewall, angle and the temperature of described static sounding probe, the duty that shows described probe, and connect the machine the transmission of data or export survey data to the webserver or E-mail address by wireless transmission by computer.
Described static sounding probe is provided with a sleeve structure, and described sleeve structure is fixedly connected with described probe, and described deviational survey sensor, analog-to-digital conversion module are fixed in the accommodating cavity inside of described sleeve structure.
Advantage of the present invention is:
(1) digitlization; The AD transfer process of whole static sounding sensor all in the inner realization of probe, has avoided cable run and external environment that survey data is exerted an influence.
(2) can the value of taking measurement of an angle, temperature value; Adopt 3-axis acceleration deviational survey module to carry out measurement of dip angle, acquisition probe static point resistance, sidewall resistance, inclination angle and temperature in the probe process of press in.
(3) data sheet tropism; The data communication of static sounding sensor and digital collection instrument is unidirectional input, and the authenticity of image data has been guaranteed in unidirectional output.
(4) touch-screen is controlled; Adopt advanced touch-screen to control, menu is short and sweet, and human-computer interaction function is powerful.
(5) data are directly perceived; Screen directly shows image data and curve, visual result.
(6) wireless transmission; Support wireless transmission function, realize that image data fast sends.
Description of drawings
Fig. 1 is the single bridge sonde configuration of the present invention figure;
Fig. 2 is two-bridge probe structure chart of the present invention;
Fig. 3 is digital transducer structure chart of the present invention;
Fig. 4 is digital data Acquisition Instrument functional structure chart of the present invention;
Fig. 5 is three axle deviational survey gravity unit schematic diagram;
Fig. 6 is the synthetic schematic diagram of hole angle.
The specific embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-6, mark 1-10 is respectively among the figure: single bridge probe 1, linkage section 2, waterproof buckle 3, sleeve pipe 4, process chip 5, wire 6, sealing silently 7, chip set 8, screw-button 9, two-bridge probe 10.
Embodiment: inclination measurement device design and the principle of present embodiment are as follows: the inclination measurement device in the present embodiment is comprised of acceleration of gravity meter and process chip, the acceleration of gravity meter that namely increases on X, Y, three directions of Z at single bridge probe 1 or two-bridge probe 10 is measured verticality, and measured verticality is transferred to process chip 5, transfer on the data collecting instrument after treatment.
Shown in Fig. 5,6, according to the reading value of three gravity accelerometer, be the size of hole angle by the angle that calculates gravity direction and instrument axis.The angle α of Z axis and gravity direction g is the hole angle of institute's measuring point.
The measured value of X, Y, Z three axles is respectively: the measured value of X, Y, Z three axles is respectively: Gx, Gy, Gz, then:
Present embodiment has following description to detecting devices in the specific implementation:
The static(al) sensor: as shown in Figure 3, the sensor of present embodiment is based on three axis accelerometer SCA3000 and the design of U.S. AD7794 integrated circuit modules of Finland VTI company.Adopt communicating by letter between SPI Interface realization sensor and microcontroller, adopt the AD EOC to interrupt and read operation to sensing data is aroused in two interruptions of SCA3000 buffer interruption, realized the height reliability of sensing data.The A/D transfer process of static sounding sensor is all carried out in probe inside, data collecting instrument directly receives digital quantity, thereby avoided cable run and external environment that survey data is exerted an influence, realize the design of the digital static sounding deviational survey sensor that precision is high, noise robustness is strong, truly realized secondary meter.
Resistance strain sensor: be probe segment at front end unit, adopted the capacitance sensor of durable, stable, low-power consumption and noise, this front end unit comprises i.e. three the acceleration of gravity meters of three acceleration sensing pieces.Because reasons in structure, three acceleration sensing piece sensing directions and rectangular co-ordinate angle at 45 °, so a matching treatment is arranged in interface module, acceleration can cause capacitance variations, then is converted into voltage change in signal conditioning circuit.
Resistance strain sensor gathers the pressure source strain capacity, and this strain capacity (analog signal) obtains digital quantity (data signal) after amplification, A/D analog-to-digital conversion, A/D converter, and namely analog-digital converter has temp sensing function simultaneously.Process chip 5 is exported the angle of inclination behind the 3-axis acceleration vector quadrature that detects.What the static sounding sensor sent to data collecting instrument is the signal of the pure digi-tal amount after changing through analog-digital converter.
Interface circuit: sensing unit connects a convert of capacitor to voltage device, and after internal calibration, signal is converted to data signal by the ADC converter, and the ADC signal is separated into three signal processing channels, passes through low pass filter and die-offs.Afterwards, rectangular coordinate system and be transferred to output register on the Signal cooperation, acceleration information is read by universal serial bus SPI.
Data collecting instrument: as shown in Figure 4, the data collecting instrument of present embodiment adopts touch-screen, and menu operation is simple, direct.Data acquisition is divided into new hole and gathers and secondary acquisition.Convenient working personnel control.The operating personnel can be easy the information such as input job number, hole number, sensor 's number.Acquisition interface shows static sounding image data and curve map in real time.The operating personnel can change the parameter setting of instrument according to actual needs.Such as backlight, sound, brightness, internal memory, mailbox, time etc.The initial calibration of probe cone point, sidewall and angle, and coefficient is checked.The operating personnel can clearly see the kind of the image data of instrument storage, and the relevant information of image data.Can deposit the image data of instrument in computer.Or image data directly sent to E-mail address or the webserver, instrument is equipped with special network server simultaneously, downloads data to the city by network program and surveys in the software, makes things convenient for the engineering staff to check data.The communications setting of data collecting instrument and described static sounding sensor is respectively unidirectional input, unidirectional output, described static sounding sensor transfers to data collecting instrument with digital quantity, described data collecting instrument to some other storage medium, guarantees resulting test data accurate and effective with digital output.
The deviational survey sensor: what present embodiment adopted is the SCA3000-D01 total digitalization three axis accelerometer of VTI company, range ± 2g, angular accuracy ± 0.1 degree, temperature accuracy ± 0.2 degree, supply voltage 3.3V, 64 groups of buffer storage record data.On system level, advanced in performance, energy-efficient, frequency response is optional, SPI numeric string port communications, and anti-impact force is strong, can be applied to many abominable conditions.
Based on above-mentioned probing equipment, the structure of static penetrometer with relevant device there is following description:
As shown in Figure 1,1 rear portion of popping one's head in is provided with a linkage section 2, is provided with waterproof buckle 3 on the local outer wall of linkage section 2, and is provided with screw-button 9 on its distal end faces.Sleeve pipe 4 fixes with waterproof buckle 2, both snappings, and wherein waterproof buckle 3 is the buckle with waterproof washer.The accommodating cavity inside of sleeve pipe 4 is provided with chip set 8, and chip set 8 is fixedly connected with probe 1 by screw-button 9.Be fixed with process chip 5 on the chip set 8, sensor 4 is connected with data collecting system by wire 6.The end of sleeve pipe 4 has through hole, is used for wire 6 and passes to data collecting instrument, and sealing silently 7 is set herein.Waterproof buckle 2 and sealing silently 7 effect all are to avoid in use preventing that sensor 4 from making moist or being immersed in water, thus the test result of impact test.Chip set 8 plays the effect of supporting process chip 5.For this structure, the deviational survey sensor, namely acceleration of gravity meter mentioned above also is arranged at the accommodating cavity inside of sleeve pipe 4; Static sounding probe is arranged at probe 1 place.
As shown in Figure 2, survey on the static penetrometer basis of two-bridge probe 10.Compared to single bridge probe 1, both are to some extent difference on some other size such as the setting position of waterproof buckle 3, the length of sleeve pipe 4 or relative position relation just, but the connected mode between structure and parts and unchanged.
In sum, present embodiment is tested in Shanghai New Jiangwan City engineering area, provided respectively the experimental data in these two holes, result's proof meets designing requirement, data stabilization fully.Because inclination data is provided in operation process at any time, in time grasping and the correction operation angle provides help, simultaneously by the measurement to underground different depth temperature, for further Study of The Underground variations in temperature provides foundation to the impact of certainty of measurement.
Claims (8)
1. the probing method of a static penetrometer comprises data collecting instrument, and it is characterized in that: the method may further comprise the steps at least: at static sounding probe inclination measurement device is installed, described inclination measurement device is measured the inclination angle value of described static sounding probe; At static sounding probe analog-digital converter is set, described analog-digital converter receives the analog signal that the static sounding sensor records, and transfers to data collecting instrument after converting thereof into data signal.
2. the probing method of a kind of static penetrometer according to claim 1, it is characterized in that: described inclination measurement device comprises the deviational survey sensor, and described deviational survey sensor output angle value is to described data collecting instrument.
3. the probing method of a kind of static penetrometer according to claim 1, it is characterized in that: the communication mode of described static sounding sensor is set to unidirectional output, and the communication mode of described data collecting instrument is set to unidirectional input.
4. the probing method of a kind of static penetrometer according to claim 1, it is characterized in that: described inclination measurement device comprises acceleration of gravity meter and process chip at least, described process chip receives the image data of described acceleration of gravity meter, measure the inclination angle value according to the acceleration of gravity principle, and export the inclination angle value to described data collecting instrument.
5. the probing method of a kind of static penetrometer according to claim 4, it is characterized in that: described acceleration of gravity meter comprises: the acceleration of gravity meter that is fixedly installed in the static sounding instrument probe X of place, Y, three directions of Z.
6. the probing method of a kind of static penetrometer according to claim 1, it is characterized in that: the transfer process of described analog-digital converter is: the pressure source analog signal of described static sounding sensor measurement gained is converted to data signal by described analog-digital converter, and this moment, analog signal was separated into three signal processing channels, pass through low pass filter and die-off, afterwards, data signal cooperates upper rectangular coordinate system to transfer to described data collecting instrument.
7. the probing method of a kind of static penetrometer according to claim 1, it is characterized in that: described data collecting instrument adopts real-time curve chart to reflect the currency of probe cone point, sidewall, angle and the temperature of described static sounding probe, the duty that shows described probe, and connect the machine the transmission of data or export survey data to the webserver or E-mail address by wireless transmission by computer.
8. the probing method of a kind of static penetrometer according to claim 1, it is characterized in that: described static sounding probe is provided with a sleeve structure, described sleeve structure is fixedly connected with described probe, and described deviational survey sensor, analog-to-digital conversion module are fixed in the accommodating cavity inside of described sleeve structure.
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| CN201210166353XA CN102852128A (en) | 2012-05-27 | 2012-05-27 | Probing method of static penetrometer |
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| CN201210166353XA CN102852128A (en) | 2012-05-27 | 2012-05-27 | Probing method of static penetrometer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088804A (en) * | 2013-02-07 | 2013-05-08 | 上海岩土工程勘察设计研究院有限公司 | Injection method for static sounding probe rod |
| CN106053295A (en) * | 2016-07-28 | 2016-10-26 | 东南大学 | Gravity-type spherical dynamic penetration test apparatus for evaluating strength of clay |
| CN110130302A (en) * | 2019-05-21 | 2019-08-16 | 温岭市南光地质仪器有限公司 | Static sounding inclination measurement system and tilt measurement |
| RU203931U1 (en) * | 2020-12-01 | 2021-04-28 | Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский институт систем орошения и сельхозводоснабжения "Радуга" (ФГБНУ ВНИИ "Радуга") | SELF-LOADING PENETROMETER SOIL METER |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189333Y (en) * | 1994-05-19 | 1995-02-08 | 武汉中科计算机技术开发公司 | Data sampling device with static force contact |
| RU2133314C1 (en) * | 1998-02-03 | 1999-07-20 | Хамов Арнольд Петрович | Hand-operated probe for deep probing of ground |
| CN102174807A (en) * | 2011-01-28 | 2011-09-07 | 长安大学 | Ropeless static penetrometer and method for acquiring and processing data |
| JP4899164B2 (en) * | 2007-11-12 | 2012-03-21 | 独立行政法人産業技術総合研究所 | Measuring method of ground saturation by air injection |
-
2012
- 2012-05-27 CN CN201210166353XA patent/CN102852128A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189333Y (en) * | 1994-05-19 | 1995-02-08 | 武汉中科计算机技术开发公司 | Data sampling device with static force contact |
| RU2133314C1 (en) * | 1998-02-03 | 1999-07-20 | Хамов Арнольд Петрович | Hand-operated probe for deep probing of ground |
| JP4899164B2 (en) * | 2007-11-12 | 2012-03-21 | 独立行政法人産業技術総合研究所 | Measuring method of ground saturation by air injection |
| CN102174807A (en) * | 2011-01-28 | 2011-09-07 | 长安大学 | Ropeless static penetrometer and method for acquiring and processing data |
Non-Patent Citations (2)
| Title |
|---|
| 王焕平: "多功能数字式静力触探仪的开发与应用", 《第十二届全国工程物探与岩土工程测试学术交流会》 * |
| 陈心东: "静力触探仪检测方法探讨", 《福建建材》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088804A (en) * | 2013-02-07 | 2013-05-08 | 上海岩土工程勘察设计研究院有限公司 | Injection method for static sounding probe rod |
| CN103088804B (en) * | 2013-02-07 | 2014-12-03 | 上海岩土工程勘察设计研究院有限公司 | Injection method for static sounding probe rod |
| CN106053295A (en) * | 2016-07-28 | 2016-10-26 | 东南大学 | Gravity-type spherical dynamic penetration test apparatus for evaluating strength of clay |
| CN110130302A (en) * | 2019-05-21 | 2019-08-16 | 温岭市南光地质仪器有限公司 | Static sounding inclination measurement system and tilt measurement |
| RU203931U1 (en) * | 2020-12-01 | 2021-04-28 | Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский институт систем орошения и сельхозводоснабжения "Радуга" (ФГБНУ ВНИИ "Радуга") | SELF-LOADING PENETROMETER SOIL METER |
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Effective date of registration: 20160118 Address after: 200002, 3, Huqiu Road, 5, Shanghai, Huangpu District Applicant after: Shanghai Shunkai Information Technology Co.,Ltd. Address before: 200032 Shanghai, Xuhui District small wooden bridge road, building 681, No. 18 Applicant before: Shanghai Geotechnical Investigations & Design Institute Co., Ltd. Applicant before: Shanghai Shunkai Information Technology Co.,Ltd. |
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