CN110130302B - Static sounding inclination measurement system and inclination measurement method - Google Patents
Static sounding inclination measurement system and inclination measurement method Download PDFInfo
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- CN110130302B CN110130302B CN201910424304.3A CN201910424304A CN110130302B CN 110130302 B CN110130302 B CN 110130302B CN 201910424304 A CN201910424304 A CN 201910424304A CN 110130302 B CN110130302 B CN 110130302B
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- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
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Abstract
The invention relates to a static cone penetration test inclination system, which comprises a static test data acquisition module, a static test inclination detection module and a static test inclination detection module, wherein the static test data acquisition module is used for detecting soil characteristics in a soil layer and outputting soil characteristic simulation signals; the data conversion module is used for converting the soil characteristic analog signals into digital signals; the touch probe inclination measuring module is used for detecting the inclination of the touch probe and outputting a touch probe inclination digital signal; the data comprehensive transmission module is used for transmitting comprehensive soil characteristic digital signals and touch probe inclination digital signals; the data processing module is used for recording soil characteristic digital signals in real time, monitoring soil characteristics of a soil layer and processing inclination digital signals so as to calculate specific inclination angles of the contact probes in the soil layer and record and monitor the specific inclination angles in real time; and the display module displays the soil characteristic data and the calculated inclination angle of the soil in-soil touch probe in real time. The invention can detect the inclination of the feeler and improve the accuracy in the feeler process.
Description
Technical Field
The invention relates to the technical field of land surveying, in particular to a static sounding inclination measuring system and an inclination measuring method.
Background
Static sounding refers to pressing a feeler lever with a feeler into a test soil layer by using a pressure device, and measuring the penetration resistance of soil by using a measuring system to determine some basic physical and mechanical properties of soil, also called soil body properties, such as deformation modulus of soil, allowable bearing capacity of soil, shear modulus of soil and the like.
In the static cone penetration process, due to the influence of resistance factors of a soil layer, the condition that a penetration probe inclines is inevitably caused to occur, and the traditional static cone penetration tester does not have the functions of detecting and calculating the inclination angle condition of the penetration probe in the process of detecting the soil layer by the penetration probe and needs to be improved.
Disclosure of Invention
The invention aims to provide a static sounding inclination system which can detect the inclination of a feeler in the static sounding process.
The above object of the present invention is achieved by the following technical solutions: a static cone penetration inclination measuring system comprises
The static exploration data acquisition module is used for detecting soil characteristics in a soil layer and outputting soil characteristic simulation signals;
the data conversion module is coupled with the static exploration data acquisition module and used for converting the soil characteristic analog signals into soil characteristic digital signals;
the probe inclination measuring module is coupled with the static detection data acquisition module, detects the inclination of the probe when the static detection data acquisition module detects soil texture and outputs a probe inclination digital signal;
the data comprehensive transmission module is coupled with the static detection data acquisition module and the touch probe inclination measurement module and used for receiving and comprehensively transmitting the soil characteristic digital signals and the touch probe inclination digital signals;
the data processing module is coupled with the data comprehensive transmission module to process the soil characteristic digital signals so as to record and monitor the soil characteristics of the soil layer in real time, and simultaneously process the inclination digital signals so as to calculate the specific inclination angle of the contact probe in the soil layer and record and monitor the specific inclination angle in real time;
and the display module is coupled with the data processing module to display the soil characteristic data and the calculated inclination angle of the soil in-soil touch probe in real time.
By adopting the technical scheme, the contact probe enters the soil layer, the static probing data acquisition module outputs a soil body characteristic analog signal after the detection of the soil property characteristic is started, the contact probe inclination measuring module detects the inclination condition of the contact probe in the soil layer in real time, once the contact probe inclines, the contact probe inclination measuring module can detect the inclination of the contact probe and output a contact probe inclination digital signal, the static probing data acquisition module transmits the contact probe inclination digital signal to the data conversion module and then converts the contact probe inclination digital signal into a soil body characteristic digital signal, the contact probe inclination digital signal and the converted soil body characteristic digital signal are transmitted to the data processing module through the data comprehensive transmission module, the data processing module monitors and records the soil body characteristic according to the soil body characteristic digital signal at the moment, and the specific inclination angle of the contact probe is calculated in real time according to the contact probe inclination digital signal, and real-time digital display is carried out in the display module; the inclination of the touch probe can be detected in the static sounding process by arranging the inclination measuring module of the touch probe, and then the data processing module is used for calculating in real time, so that the inclination of the touch probe is digitally displayed, and the accuracy is high.
The invention is further configured to: the data comprehensive transmission module comprises a data comprehensive sending unit and a remote numerical signal transmission unit, the data comprehensive sending unit is coupled with the static probe data acquisition module and the touch probe inclination measurement module to send soil body characteristic digital signals and touch probe inclination digital signals, and the remote numerical signal transmission unit is coupled with the data comprehensive sending unit to receive the soil body characteristic digital signals and the touch probe inclination digital signals and carries out comprehensive processing through the data processing module.
By adopting the technical scheme, the data comprehensive transmission module is divided into the clearer sending and receiving units, so that data transmission is more orderly, and the remote numerical signal transmission unit can prevent the digital signals from losing packets in the transmission process.
The invention is further configured to: and the data comprehensive sending unit sends the soil characteristic digital signals and the touch probe inclination digital signals to the remote numerical signal transmission unit for one-way transmission sent to the earth surface underground.
By adopting the technical scheme, the gradient data are transmitted in a single direction, so that the disorder condition in the data transmission process is reduced, and the orderliness in the data transmission process is improved.
The invention is further configured to: further comprising:
and the signal detection module is coupled with the remote numerical signal transmission unit and is used for detecting the on-off condition in the signal transmission process.
Through adopting above-mentioned technical scheme, in digital signal transmission process, owing to be from underground transmission to the earth's surface, the condition that the signal breaks off in transmission process can appear, through setting up signal detection module, can detect whether signal enters into data processing module in the transmission process to it is more smooth when guaranteeing signal transmission.
The invention is further configured to: the touch probe inclinometer module includes gravity accelerometers arranged in three directions of the touch probe X, Y, Z.
Through adopting above-mentioned technical scheme to improve the accuracy nature of touching probe inclination detection.
The invention is further configured to: further comprising:
the soil layer resistance detection module is coupled with the data processing module and is used for detecting the resistance of the touch probe after entering the soil layer;
the resistance threshold module is coupled with the soil layer resistance detection module and is used for providing a soil layer low resistance threshold and a soil layer high resistance threshold;
a contact probe low-gradient database corresponding to the soil layer resistance smaller than the soil layer low-resistance threshold, a contact probe medium-gradient database corresponding to the soil layer resistance smaller than the soil layer low-resistance threshold and corresponding to the contact probe medium-gradient database corresponding to the soil layer low-resistance threshold, and a contact probe high-gradient database corresponding to the contact probe medium-gradient database corresponding to the soil layer high-resistance threshold;
and the selection module is coupled with the data processing module to obtain real-time soil layer resistance data, select the inclination data of the touch probe corresponding to the real-time soil layer resistance from the touch probe low inclination database, the touch probe medium inclination database and the touch probe high inclination database, and load the data in the display module for real-time display.
By adopting the technical scheme, the corresponding inclination data of the touch probe is inquired through the soil layer resistance of the touch probe, and then the inclination data of the touch probe is compared with the inclination angle of the touch probe calculated in the data processing module, so that the accuracy of the inclination detection of the touch probe by the touch probe inclination measuring module is improved.
The invention is further configured to: further comprising:
and the selection sorting module is coupled with the data processing module and is used for sorting the inclination data in the touch probe low inclination database, the touch probe medium inclination database and the touch probe high inclination database from small to large.
By adopting the technical scheme, the data in the inclination database of the selection sorting module are arranged for sorting, so that the soil layer resistance can better correspond to the corresponding inclination data of the touch probe, and the accuracy of the selection module in the selection process can be improved.
The invention is further configured to: further comprising:
and the calibration module is coupled with the data processing module and is used for carrying out one-to-one corresponding calibration on the data in each inclination database after the data are selected and sorted from small to large.
Through adopting above-mentioned technical scheme, through setting up calibration module for soil layer resistance can correspond more accurately with the gradient database that corresponds.
Another object of the present invention is to provide a static cone penetration method that can detect the inclination of a feeler.
The above object of the present invention is achieved by the following technical solutions: a static cone penetration method comprising:
s1: a gravity accelerometer is fixedly arranged in X, Y, Z three directions of the touch probe;
s2: the contact probe is gradually pressed into the soil layer, soil property characteristics in the soil layer are detected through the static detection data acquisition module, data conversion is carried out through the data conversion module, and then detected soil property digital signals are sent to the data processing module of the earth surface;
s3: the gravity accelerometer detects X, Y, Z digital values of included angles between the three directions and the gravity direction of the touch probe and sends the digital values to a data processing module on the earth surface;
s4: the data processing module receives the soil characteristic digital signals and records the soil characteristic in real time, and the accurate touch probe inclination angle is obtained after the included angle digital quantity is received and calculated in real time so as to be displayed in the display module at the same time.
In conclusion, the beneficial technical effects of the invention are as follows:
can detect the gradient of feeler at the static sounding in-process through setting up feeler inclinometer module, calculate through data processing module for the gradient of feeler carries out digital display, and the accuracy is high.
Drawings
Fig. 1 is a schematic diagram of a system according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of a system according to a second embodiment of the present invention.
In the figure, 1, a static exploration data acquisition module; 2. a touch probe inclination measuring module; 3. a data conversion module; 4. a data comprehensive transmission module; 5. a data comprehensive transmitting unit; 6. a remote numerical signal transmission unit; 7. a data processing module; 8. a display module; 9. a soil layer resistance detection module; 10. a resistance threshold module; 11. a touch probe low-gradient database; 12. a database of the inclination in the touch probe; 13. a contact probe high-gradient database; 14. a selection module; 15. selecting a sorting module; 16. a calibration module; 17. and a signal detection module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the static cone penetration test inclination system disclosed by the invention comprises a static cone penetration data acquisition module 1, a data conversion module 3, a feeler inclination test module 2, a data comprehensive transmission module 4, a data processing module 7 and a display module 8.
The system comprises a static detection data acquisition module 1, a data conversion module 3, a contact probe inclination measuring module 2 and a data conversion module, wherein the static detection data acquisition module 1 is used for detecting soil characteristics in a soil layer and outputting soil characteristic analog signals, the data conversion module 3 is coupled to the static detection data acquisition module 1 so as to convert the soil characteristic analog signals into soil characteristic digital signals, an A/D converter is mainly adopted by the data conversion module 3 in the embodiment, and the contact probe inclination measuring module 2 is coupled to the static detection data acquisition module 1 and is used for detecting the inclination of the contact probe and outputting a contact probe inclination digital signal when the static detection data acquisition module 1 performs; the data comprehensive transmission module 4 is coupled to the static exploration data acquisition module 1 and the contact probe inclination measurement module 2 to receive and synthesize soil body characteristic digital signals and contact probe inclination digital signals for transmission, data transmitted by the data comprehensive transmission module 4 in the system are digital signals, the contact probe inclination measurement module 2 can directly output the digital signals in the detection process, and the signals acquired by the static exploration data acquisition module 1 are analog signals and need to be subjected to digital conversion through the data conversion module 3.
The data processing module 7 is coupled with the data comprehensive transmission module 4 to process the soil characteristic digital signals so as to record and monitor the soil characteristics of the soil layer in real time, and simultaneously process the inclination digital signals so as to calculate the specific inclination angle of the contact probe in the soil layer and record and monitor the specific inclination angle in real time; the display module 8 is coupled to the data processing module 7 and displays the calculated inclination angle of the soil layer inner probe in real time, in this embodiment, the display module 8 is a static probe data display and is disposed on the earth surface.
Furthermore, in order to improve the data transmission process to be more orderly, the data comprehensive transmission module 4 comprises a data comprehensive sending unit 5 and a remote numerical signal transmission unit 6, the data comprehensive sending unit 5 is coupled with the static probe data acquisition module 1 and the touch probe inclination measurement module 2 to send soil body characteristic digital signals and touch probe inclination digital signals to the remote numerical signal transmission unit 6, and the data comprehensive sending unit 5 sends the touch probe digital inclination signals to the remote numerical signal transmission unit 6 for one-way transmission of underground transmission to the ground surface; the remote numerical signal transmission unit 6 receives the soil characteristic digital signals and the touch probe inclination digital signals and processes the signals through the data processing module 7, and the remote numerical signal transmission unit 6 can prevent the digital signals from being lost in the transmission process.
Furthermore, in order to monitor whether the signal enters the data processing module 7 for detection in the transmission process of the signal in real time, the system further comprises a signal detection module 17, wherein the signal detection module 17 is coupled to the remote numerical value signal transmission module and is used for detecting the on-off condition in the transmission process of the signal, and the signal is timely displayed in the display module 8 when the signal is disconnected in the transmission process, so that the signal is more smoothly transmitted.
In addition, the touch probe inclinometer module 2 comprises gravity accelerometers arranged in three directions of the touch probe X, Y, Z, the three-axis gravity accelerometer adopted in the embodiment is a full-digital three-axis accelerometer with the model of MPU6050, the measurement range is +/-2 g, the angle accuracy is +/-0.1 degree, the temperature accuracy is +/-0.2 degree, the power supply voltage is 3.3V, 64 groups of buffer memories record data, and the system has advanced performance, high efficiency, energy conservation, selectable frequency response, I2C digital serial port communication and strong impact resistance and can be applied to a plurality of severe conditions.
Example two:
referring to fig. 2, a static cone penetration test inclination system further includes a soil layer resistance detection module 9, a resistance threshold module 10, and a selection module 14 according to a further improvement of the first embodiment; the soil resistance detection module 9 is coupled to the data processing module 7 and used for detecting resistance received by the contact probe after entering a soil layer and converting physical quantity of the soil resistance into soil resistance signal data, and the resistance threshold module 10 is coupled to the soil resistance detection module 9 and used for providing a soil layer low resistance threshold and a soil layer high resistance threshold; in this embodiment, when the soil layer resistance signal detected by the soil layer resistance detection module 9 is smaller than the soil layer low resistance threshold, it indicates that the current resistance of the soil layer to the contact probe is low, when the soil layer resistance signal detected by the soil layer resistance detection module 9 is smaller than the soil layer high resistance threshold and larger than the low resistance threshold, it indicates that the current resistance of the soil layer to the contact probe is moderate, and when the soil layer resistance signal detected by the soil layer resistance detection module 9 is larger than the soil layer high resistance threshold, it indicates that the current resistance of the soil layer to the contact probe is high.
Aiming at the influence of the soil layer resistance on the inclination of the contact probe, a contact probe low inclination database 11 corresponding to the soil layer resistance smaller than a soil layer low resistance threshold, a contact probe medium inclination database 12 larger than the soil layer low resistance threshold smaller than a soil layer high resistance threshold, and a contact probe high inclination database 13 larger than the soil layer high resistance threshold are stored in the data processing module 7; the selection module 14 is coupled to the data processing module 7 to obtain real-time soil layer resistance data, and selects the touch probe inclination data corresponding to the real-time soil layer resistance from the touch probe low inclination database 11, the touch probe medium inclination database 12 and the touch probe high inclination database 13 and loads the touch probe inclination data in the display module 8 for real-time display; the corresponding inclination data of the touch probe is inquired through the soil layer resistance of the touch probe, and then the inclination data of the touch probe is compared with the inclination angle of the touch probe calculated in the data processing module 7, so that the accuracy of the inclination detection of the touch probe by the touch probe inclination measuring module 2 is improved.
Furthermore, in order to ensure that the soil layer resistance can better correspond to the corresponding inclination data of the touch probe, and further improve the accuracy of the selection module 14 in the selection process, the system further comprises a selection sorting module 15, wherein the selection sorting module 15 is coupled to the data processing module 7 and is used for sorting the inclination data in the touch probe low inclination database 11, the touch probe medium inclination database 12 and the touch probe high inclination database 13 from small to large.
Further, this system still includes calibration module 16, calibration module 16 is coupled in data processing module 7 and is used for carrying out the one-to-one calibration to the data in each inclination database after selecting the sequencing from small to big, make the data in the low inclination database 11 of low soil layer resistance value corresponding feeler, the data in inclination database 12 among the medium soil layer resistance value corresponding feeler, the data in the high inclination database 13 of high soil layer resistance value corresponding feeler, and then guarantee to select module 14 and select the accuracy of corresponding feeler slope data under corresponding soil layer resistance.
Example three:
a static cone penetration method comprising:
s1: a gravity accelerometer is fixedly arranged in X, Y, Z three directions of the touch probe;
s2: the contact probe is gradually pressed into the soil layer, soil property characteristics in the soil layer are detected through the static detection data acquisition module, data conversion is carried out through the data conversion module, and then detected soil property digital signals are sent to the data processing module of the earth surface;
s3: the gravity accelerometer detects X, Y, Z digital values of included angles between the three directions and the gravity direction of the touch probe and sends the digital values to a data processing module on the earth surface;
s4: the data processing module receives the soil characteristic digital signals and records the soil characteristic in real time, and the accurate touch probe inclination angle is obtained after the included angle digital quantity is received and calculated in real time so as to be displayed in the display module at the same time.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. A static cone penetration inclination system characterized by: comprises that
The static exploration data acquisition module (1) is used for exploring soil characteristics in a soil layer and outputting soil characteristic simulation signals;
the data conversion module (3) is coupled with the static exploration data acquisition module (1) and is used for converting the soil characteristic analog signals into soil characteristic digital signals;
the probe inclination measuring module (2) is coupled to the static detection data acquisition module (1) and is used for detecting the inclination of the probe and outputting a probe inclination digital signal when the static detection data acquisition module (1) detects soil texture;
the data comprehensive transmission module (4) is coupled with the static detection data acquisition module (1) and the touch probe inclination measurement module (2) and used for receiving and comprehensively transmitting the soil characteristic digital signals and the touch probe inclination digital signals;
the data processing module (7) is coupled with the data comprehensive transmission module (4) and is used for processing the soil characteristic digital signals so as to record and monitor the soil characteristics of the soil layer in real time, and simultaneously processing the inclination digital signals so as to calculate the specific inclination angle of the contact probe in the soil layer and record and monitor the specific inclination angle in real time;
the display module (8) is coupled with the data processing module (7) to display soil characteristic data and the calculated inclination angle of the soil layer inner touch probe in real time;
further comprising:
the soil layer resistance detection module (9) is coupled with the data processing module (7) and is used for detecting the resistance of the touch probe after entering the soil layer;
the resistance threshold module (10) is coupled with the soil layer resistance detection module (9) and is used for providing a soil layer low resistance threshold and a soil layer high resistance threshold;
a contact probe low-inclination database (11) corresponding to soil layer resistance smaller than a soil layer low-resistance threshold, a contact probe medium-inclination database (12) corresponding to a contact probe medium-inclination database corresponding to;
the selection module (14) is coupled with the data processing module (7) to obtain real-time soil layer resistance data, selects the touch probe inclination data corresponding to the real-time soil layer resistance from the touch probe low inclination database (11), the touch probe medium inclination database (12) and the touch probe high inclination database (13), and loads the touch probe inclination data into the display module (8) for real-time display;
the data comprehensive transmission module (4) comprises a data comprehensive sending unit (5) and a remote numerical signal transmission unit (6), the data comprehensive sending unit (5) is coupled with the static detection data acquisition module (1) and the touch probe inclination measurement module (2) to send soil body characteristic digital signals and touch probe inclination digital signals, and the remote numerical signal transmission unit (6) is coupled with the data comprehensive sending unit (5) to receive the soil body characteristic digital signals and the touch probe inclination digital signals and carry out comprehensive processing through the data processing module (7);
the data comprehensive sending unit (5) sends the soil characteristic digital signals and the touch probe inclination digital signals to the remote numerical signal transmission unit (6) for one-way transmission sent to the ground surface underground;
further comprising:
the signal detection module (17) is coupled with the remote numerical signal transmission unit (6) and is used for detecting the on-off condition in the signal transmission process;
further comprising:
a selection sorting module (15) coupled to the data processing module (7) and configured to sort the inclination data in the probe low inclination database (11), the probe medium inclination database (12) and the probe high inclination database (13) from small to large;
further comprising:
and the calibration module (16) is coupled to the data processing module (7) and is used for carrying out one-to-one corresponding calibration on the data in each inclination database after the data are selected and sorted from small to large.
2. A static cone penetration tilt system according to claim 1 wherein: the touch probe inclinometer module (2) comprises gravity accelerometers arranged in three directions of the touch probe X, Y, Z.
3. A method of static cone penetration tilt employing a static cone penetration tilt system according to any of claims 1 to 2, wherein: the method comprises the following steps:
s1: a gravity accelerometer is fixedly arranged in X, Y, Z three directions of the touch probe;
s2: the contact probe is gradually pressed into the soil layer, soil property characteristics in the soil layer are detected through the static detection data acquisition module, data conversion is carried out through the data conversion module, and then detected soil property digital signals are sent to the data processing module of the earth surface;
s3: the gravity accelerometer detects X, Y, Z digital values of included angles between the three directions and the gravity direction of the touch probe and sends the digital values to a data processing module on the earth surface;
s4: the data processing module receives the soil characteristic digital signals and records the soil characteristic in real time, and the accurate touch probe inclination angle is obtained after the included angle digital quantity is received and calculated in real time so as to be displayed in the display module at the same time.
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| US6597992B2 (en) * | 2001-11-01 | 2003-07-22 | Soil And Topography Information, Llc | Soil and topography surveying |
| US8945746B2 (en) * | 2009-08-12 | 2015-02-03 | Samsung Sdi Co., Ltd. | Battery pack with improved heat dissipation efficiency |
| CN102852128A (en) * | 2012-05-27 | 2013-01-02 | 上海岩土工程勘察设计研究院有限公司 | Probing method of static penetrometer |
| CN103061321B (en) * | 2013-01-08 | 2014-12-17 | 东南大学 | Cone penetrometer for evaluating penetration property of unsaturated soil |
| RU2585317C2 (en) * | 2013-02-27 | 2016-05-27 | Геннадий Григорьевич Болдырев | Method for screw probing of soil in array of during screw drilling and device therefor |
| US10526888B2 (en) * | 2016-08-30 | 2020-01-07 | Exxonmobil Upstream Research Company | Downhole multiphase flow sensing methods |
| CN207878437U (en) * | 2017-12-18 | 2018-09-18 | 天津市铁滨勘察设计有限公司 | Multi-functional static sounding head |
| CN207878431U (en) * | 2017-12-18 | 2018-09-18 | 天津市铁滨勘察设计有限公司 | A kind of memory-type static sounding head |
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Denomination of invention: Static cone penetration inclinometer system and inclinometer method Effective date of registration: 20210714 Granted publication date: 20210316 Pledgee: Zhejiang Wenling United Village Bank Co., Ltd Pledgor: WENLING NANGUANG INSTRUMENT Co.,Ltd. Registration number: Y2021330000900 |