CN115728467A - Pressure-rotating penetration sounding equipment and method for measuring rock-soil body parameters - Google Patents
Pressure-rotating penetration sounding equipment and method for measuring rock-soil body parameters Download PDFInfo
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- CN115728467A CN115728467A CN202211432258.XA CN202211432258A CN115728467A CN 115728467 A CN115728467 A CN 115728467A CN 202211432258 A CN202211432258 A CN 202211432258A CN 115728467 A CN115728467 A CN 115728467A
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Abstract
The invention provides pressure rotary penetration sounding equipment and a method for measuring rock and soil body parameters. The pressure rotary penetration sounding equipment comprises a box body, and a torsion power device, a static force loading device, a pressure rotary penetration sounding device, a displacement sensor and a torque sensor which are arranged in the box body. The torsional power device drives the pressure rotation penetration sounding device to rotate, the static loading device applies downward pressure to the pressure rotation penetration sounding device, and the pressure rotation penetration sounding device is screwed into a rock-soil body downward under the combined action of the pressure rotation penetration sounding device and the pressure rotation penetration sounding device; the displacement sensor is used for acquiring the downward displacement of the pressure rotary penetration sounding device, and the torque sensor is used for measuring the torque acting force applied by the pressure rotary penetration sounding device which is screwed into the rock-soil body downward; the displacement sensor and the torque sensor transmit acquired data to the control end computer in a wired or wireless mode, and after receiving the penetration data acquired by the sensor, the control end computer calls a relation model between the penetration data and soil body parameters, substitutes the penetration data into the relation model, gives a test report and displays the test report on a display in real time.
Description
Technical Field
The invention relates to equipment and a method for measuring rock and soil mass parameters in an engineering field, in particular to pressure rotary penetration sounding equipment and a method for measuring the rock and soil mass parameters in the engineering field. The invention belongs to the technical field of geotechnical engineering exploration.
Background
The method for obtaining the mechanical parameters of the geotechnical engineering on the construction site is a foundation for geotechnical engineering construction. At present, the exploration method for the mechanical parameters of the geotechnical body engineering mainly comprises indoor test measurement, namely, geotechnical samples are collected from a construction site, and experiments are carried out through equipment in a laboratory to obtain corresponding mechanical parameters.
The method for measuring the parameters of the rock-soil body has the following defects: 1. the disturbance can be generated in the process of collecting, transporting and storing the rock soil samples, the adverse effect is generated on the experimental data, the final experimental result is greatly different from the actual condition, and the time cost, the manpower and the material resources are greatly consumed. 2. For soil-rock mixture, slag, loose accumulation and the like, sampling is difficult, and the acquisition of mechanical parameters is difficult. Aiming at the side slope of the loose accumulation body, only indoor test measurement is taken as a main part, and meanwhile, partial in-situ tests such as an in-situ shear test, an in-situ static sounding and a cross plate shear test are assisted. The labor and the time are wasted, the experimental result is greatly different from the actual condition, and the reference value of the experimental result is not large.
Disclosure of Invention
The invention aims to solve the problems that the traditional method for measuring the parameters of the rock and soil mass has long time consumption, large measurement error, poor engineering applicability to acquisition of the parameters of the loose accumulation body, incapability of being directly applied to engineering field measurement and the like, and provides pressure rotary penetration sounding equipment and a measuring method for measuring the parameters of the rock and soil mass, which are directly applied to an engineering field.
In order to achieve the purpose, the invention adopts the following technical scheme: a pressure rotary penetration sounding device for measuring rock-soil body parameters comprises a box body, a torsion power device, a static force loading device, a pressure rotary penetration sounding device, a displacement sensor and a torque sensor, wherein the torsion power device, the static force loading device, the pressure rotary penetration sounding device, the displacement sensor and the torque sensor are arranged in the box body;
the torsional power device drives the pressure rotary penetration sounding device to rotate, the static force loading device applies downward pressure to the pressure rotary penetration sounding device, and the pressure rotary penetration sounding device is screwed downwards into the surveyed rock-soil body under the combined action of the torsional power device and the static force loading device;
the displacement sensor is arranged in the box body to measure the distance of the pressing rotary penetration sounding device located downwards, and the torque sensor is arranged on the pressing rotary penetration sounding device to measure the torque acting force applied to the pressing rotary penetration sounding device and screwed into a rock-soil body downwards; and the displacement sensor and the torque sensor transmit acquired data to the control end computer in a wired or wireless mode.
Preferably, the torsional power device comprises a stator and a torsional rotor; the stator is fixedly clamped on an operation platform in the box body; the torsion rotor is located within the stator.
Preferably, the height of the stator is 30cm to 50cm, and the height of the torsion rotor is 10cm.
Preferably, the pressure rotary penetration sounding device comprises a pressure rotary probe rod and a pressure rotary probe; the pressure rotary probe rod penetrates through the axis of the torsion rotor and is coaxially in threaded connection with the torsion rotor, and the torsion rotor drives the pressure rotary probe rod to rotate;
the bottom of the pressure rotary probe rod penetrates through the box body and extends out of the box body, and the pressure rotary probe in a pointed shape is fixed at the bottom of the pressure rotary probe rod.
Preferably, the static loading device comprises a weight and a stressed gasket; the stress gasket is fixed on the upper part of the pressure rotary probe rod, and the weight penetrates through the pressure rotary probe rod and is placed on the stress gasket to apply downward pressure on the pressure rotary probe rod.
Preferably, the four corners of the bottom of the box body are respectively provided with a support leg with adjustable height, and an X-axis angle sensor and a Y-axis angle sensor are arranged on the inner bottom plate of the box body.
Preferably, the displacement sensor is installed in the box body and used for measuring the displacement of the pressure rotary probe rod;
the torque sensor is fixed at the bottom of the pressure rotary probe rod and used for recording the torsional acting force borne by the pressure rotary probe when the pressure rotary probe is screwed into a rock-soil body;
and the data output ends of the displacement sensor and the torque sensor transmit the detected data to the control end computer in a wired or wireless mode.
Preferably, the pressure rotating penetration sounding equipment for measuring the parameters of the rock-soil mass further comprises a GPS locator which is arranged in the box body and used for positioning.
The method for measuring the rock-soil body parameters by using the pressure rotary penetration sounding equipment for measuring the rock-soil body parameters comprises the following steps: the pressure rotary penetration sounding device for positioning and measuring soil body parameters is arranged at a rock-soil body to be measured, the pressure rotary probe rod and the pressure rotary probe are driven by the torsion power device and the static loading device to downwards screw into the rock-soil body, the depth of the probe rod screwed into the rock-soil body is recorded by the displacement sensor, the torsion acting force of the probe is recorded by the torque sensor, and the displacement sensor and the torque sensor transmit acquired data to a control end computer in a wired or wireless mode for data statistics and analysis, so that a test report is given, and rapid survey is realized.
The pressure rotating penetration sounding method for measuring rock and soil body parameters specifically comprises the following steps:
s1: moving the pressure rotating penetration sounding equipment to the side of the rock-soil body to be detected, and positioning the pressure rotating penetration sounding equipment at the marking point position of the rock-soil body to be detected;
s2: adjusting the support legs at the bottom of the box body to keep the bottom plate of the box body relatively horizontal;
s3: starting a torsion power device and a static force loading device to drive a pressure rotary penetration testing device to downwards screw into a rock-soil body, and performing penetration testing on the soil body;
s4, performing primary filtration; acquiring sounding data acquired by a displacement sensor and a torque sensor, and recording and storing the sounding data;
and after receiving the penetration data acquired by the sensor, the control end computer calls a relation model between the penetration data and rock-soil body parameters, substitutes the penetration data into the relation model, gives a test report and displays the test report on a display in real time.
Compared with the prior art, the invention has the advantages that: 1. and the measurement of the rock and soil body parameters of the construction site can be realized. According to the invention, the rock-soil mass on the construction site is directly measured through the torsion power device, the static force loading device and the pressure rotary penetration sounding device, relevant data is obtained, the operation is simple and convenient, the obtained measurement data is reliable and accurate, and the defects of limitation, large measurement error and the like in the traditional method for measuring the soil mass parameters are overcome. 2. According to the invention, different pressures are applied to the pressure rotary penetration sounding device through the static force loading device, and different rotary cutting powers are applied to the pressure rotary penetration sounding device through the torsion power device, so that the pressure rotary penetration sounding device can perform exploration tests on different types of strata, and obtain rock and soil body parameters in real time, and the application range is wide. 3. The invention has high degree of mechanization and digitalization in the whole measuring process of the rock-soil body parameters, and avoids the influence of artificial subjective factors, so that the measuring result is more scientific and reliable.
Drawings
FIG. 1 is a schematic structural diagram of a pressure rotary penetration sounding device for measuring rock-soil body parameters according to the invention;
FIG. 2 is a front view of a orthographic projection of a pressure rotating penetration sounding device for measuring parameters of a rock-soil body;
FIG. 3 is a front projection side view of a pressure rotary penetration sounding device for measuring rock-soil body parameters according to the present invention;
FIG. 4 is a top view of an orthographic projection of a pressure rotary penetration sounding device for measuring parameters of a rock-soil mass according to the invention;
FIG. 5 is a schematic diagram of the internal structure of a pressure rotary penetration sounding device for measuring parameters of rock-soil mass.
The system comprises a box body 1, a box body 11, a box body support leg, a 12-X-axis angle sensor, a 13-Y-axis angle sensor, a 14-operation platform and a 15-GPS locator; 2-a stator; 3-a torsion rotor; 4-pressing the rotary feeler lever; 5-pressing and rotating the probe; 6-weight; 7-stressed gasket; 8-a displacement sensor; 9-a torque sensor; and 10, controlling a terminal computer.
Detailed Description
The structure and features of the present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that various modifications can be made to the embodiments disclosed herein, and therefore, the embodiments disclosed in the specification should not be construed as limiting the present invention, but merely as exemplifications of embodiments thereof, which are intended to make the features of the present invention obvious.
As shown in figures 1-5, the pressure rotary penetration sounding equipment for measuring rock-soil body parameters comprises a box body, and a torsion power device, a static loading device, a pressure rotary penetration sounding device, a displacement sensor and a torque sensor which are arranged in the box body. The torsional power device drives the pressure rotary penetration sounding device to rotate, the static loading device applies downward pressure to the pressure rotary penetration sounding device, the torsional power device and the static loading device jointly act to enable the pressure rotary penetration sounding device to be screwed downwards into a surveyed rock-soil body, the displacement sensor is installed in the box body to measure the distance of downward displacement of the pressure rotary penetration sounding device, and the torque sensor is installed on the pressure rotary penetration sounding device to measure the torque acting force applied by the pressure rotary penetration sounding device to be screwed downwards into the rock-soil body; and the displacement sensor and the torque sensor transmit the acquired data to the control end computer in a wired or wireless mode.
The four corners of the bottom of the box body 1 are respectively provided with a support leg 11 with adjustable height, and an X-axis angle sensor 12 and a Y-axis angle sensor 13 are arranged on the inner bottom plate of the box body 1. The height of the support leg 11 is adjusted according to the X-axis angle sensor 12 and the Y-axis angle sensor 13, so that the bottom surface of the box body 1 is in a horizontal state.
An operation platform 14 is fixed on the inner bottom surface of the box body 1, a groove is arranged on the surface of the operation platform 14, and the torsion power device is arranged on the operation platform.
The torsional power device comprises a stator 2 and a torsional rotor 3. The stator 2 is clamped in a groove on the working platform 14, and the torsion rotor 3 is positioned in the stator 2. In the preferred embodiment of the invention, the height of the stator 2 is about 30cm to 50cm and the height of the twisted rotor 3 is about 10cm.
The pressure rotary penetration sounding device comprises a pressure rotary sounding rod 4 and a pressure rotary probe 5. The pressure rotary detection rod 4 penetrates through the axis of the torsion rotor 3 and is coaxially in threaded connection with the torsion rotor 3, and the torsion rotor 3 drives the pressure rotary detection rod 4 to rotate. The bottom of the pressure rotary probe rod 4 penetrates through the box body 1 and extends out of the box body, and a pointed pressure rotary probe 5 is fixed at the bottom of the pressure rotary probe rod 4.
The static force loading device comprises weights 6 and a stress gasket 7. A stressed gasket 7 is fixed (e.g., welded) on the upper part of the pressure rotary feeler lever 4, and a weight 6 is placed on the stressed gasket 7 through the pressure rotary feeler lever 4 to apply downward pressure on the pressure rotary feeler lever 4. When the device works, the torsion rotor 3 is electrified, the rotor coil generates a magnetic field, the torsion rotor 3 and the stator 2 interact with each other, the torsion rotor 3 rotates under the action of the magnetic field force, the pressure rotary probe rod 4 is driven to rotate, meanwhile, the weight of the weight 6 on the stress gasket 7 is gradually increased, downward pressure is applied to the pressure rotary probe rod 4, the pressure rotary probe rod 4 is enabled to displace downwards, and the pressure is transmitted to the pressure rotary probe 5, so that the pressure rotary probe can be drilled into a rock body.
In order to sense the depth of the downward screwing of the pressure rotary probe 4, the invention fixes a displacement sensor 8 on the working platform 14. In the preferred embodiment of the present invention, the displacement sensor 8 is an infrared distance measuring sensor, a target point is adhered to the bottom surface of the stressed pad 7, the infrared distance measuring sensor emits infrared rays, and the infrared rays irradiate the target point and then reflect back to the distance measuring sensor, so as to measure the depth of the downward screwing of the pressure rotary probe 4, and the precision of the depth can reach 1mm.
A torque sensor 9 is fixed at the bottom of the pressure rotating probe 4 and used for recording the torsional acting force borne by the pressure rotating probe 5 when the pressure rotating probe is screwed into a rock-soil body. The torsional action force applied to the pressure rotary probe is different for different stratum structures, so that the internal structure and the physical and mechanical properties of the detected rock-soil body can be analyzed according to the precession depth of the pressure rotary probe rod 4 and the torsional action force applied to the pressure rotary probe 5.
The data output ends of the displacement sensor 8 and the torque sensor 9 transmit the detected data to the control end computer 10 in a wired or wireless mode for data analysis. Of course, other sensors can be mounted on the pressure rotating probe rod 4 and/or the pressure rotating probe 5 according to requirements, other mechanical data of the rock-soil body can be detected, and the internal structure of the rock-soil body can be analyzed.
For detection, the pressure rotating probe rod 4 of the present invention is designed as a splicing probe rod, and as shown in fig. 4, a plurality of sections of probe rods 41 for splicing the pressure rotating probe rod 4 are placed in the box body of the present invention. Meanwhile, weights 61 of different weights are placed in the box.
In order to accurately determine the coordinates of the detection position, a GPS locator 15 is further fixed in the box body 1 and used for locating the position of the pressure rotary penetration sounding device and enabling the device to be accurately placed at the position to be detected.
The invention also discloses a method for testing the parameters of the rock-soil mass by using the press-rotating penetration sounding equipment, namely, the press-rotating penetration test equipment is arranged at the rock-soil mass to be tested for in-situ testing, the press-rotating probe rod 4 and the press-rotating probe 5 are driven to be screwed downwards into the rock-soil mass by a torsion power device and a static force adding device, the depth of the probe rod 4 screwed into the rock-soil mass is recorded by a displacement sensor 8, the torsion acting force of the probe 5 is recorded by a torque sensor 9, and the collected data is transmitted to a control end computer 10 by the displacement sensor 8 and the torque sensor 9 in a wired or wireless mode for data statistics and analysis, so that a test report is given out, and rapid survey is realized.
The concrete method for testing the soil body parameters by using the pressure rotary penetration sounding equipment comprises the following steps:
s1: moving the pressure rotary penetration sounding equipment to the side of the rock-soil body to be detected, and positioning the pressure rotary penetration sounding equipment at the mark point position of the rock-soil body to be detected;
s2: the support legs at the bottom of the box body are adjusted to ensure that the bottom plate of the box body is kept relatively horizontal;
s3: starting a torsion power device and a static force loading device to drive a pressure rotation penetration testing device to be screwed downwards into a rock-soil body, and performing penetration testing on the rock-soil body;
s4; and acquiring sounding data acquired by the displacement sensor and the torque sensor, and recording and storing the sounding data.
And after receiving the sounding data acquired by the sensor, the control end computer calls a relation model between the sounding data and the rock-soil body parameters, substitutes the sounding data into the relation model, gives a test report and displays the test report on a display in real time. After the test is finished, the motor is set to rotate reversely, the touch probe is pulled out of the rock body, and the power supply is turned off.
According to the invention, the on-site compressive rotary penetration test can be carried out on different types of strata through the torsion power device, the static force loading device and the compressive rotary penetration test device, the parameter data of the rock-soil body is obtained, the operation is simple and convenient, the problems of limitation, large measurement error and the like of the traditional method for measuring the parameter of the rock-soil body are solved, and the practical engineering problem is solved.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a survey geotechnical body parameter's pressure is bought equipment soon which characterized in that: the device comprises a box body, a torsion power device, a static loading device, a pressure rotary penetration sounding device, a displacement sensor and a torque sensor, wherein the torsion power device, the static loading device, the pressure rotary penetration sounding device, the displacement sensor and the torque sensor are arranged in the box body;
the torsional power device drives the pressure rotary penetration sounding device to rotate, the static force loading device applies downward pressure to the pressure rotary penetration sounding device, and the pressure rotary penetration sounding device is screwed downwards into the surveyed rock-soil body under the combined action of the torsional power device and the static force loading device;
the displacement sensor is arranged in the box body to measure the distance of the pressure rotary penetration sounding device which is positioned downwards, and the torque sensor is arranged on the pressure rotary penetration sounding device to measure the torque acting force applied to the pressure rotary penetration sounding device which is screwed into a rock-soil body downwards; and the displacement sensor and the torque sensor transmit acquired data to the control end computer in a wired or wireless mode.
2. A pressure rotary penetration sounding apparatus for measuring soil parameters according to claim 1, wherein: the torsion power device comprises a stator and a torsion rotor;
the stator is fixedly clamped on an operation platform in the box body; the torsion rotor is located within the stator.
3. The pressure rotary penetration sounding apparatus for measuring parameters of rock-soil mass according to claim 2, wherein: the height of the stator is 30cm-50cm, and the height of the torsion rotor is 10cm.
4. A pressure rotary penetration sounding apparatus for measuring soil parameters according to claim 1 or claim 2, wherein: the pressure rotary penetration sounding device comprises a pressure rotary sounding rod and a pressure rotary probe;
the pressure rotary probe rod penetrates through the axis of the torsion rotor and is coaxially in threaded connection with the torsion rotor, and the torsion rotor drives the pressure rotary probe rod to rotate;
the bottom of the pressure rotary probe rod penetrates through the box body and extends out of the box body, and the pressure rotary probe in a pointed shape is fixed at the bottom of the pressure rotary probe rod.
5. The pressure rotary penetration sounding apparatus for measuring parameters of rock-soil mass according to claim 4, wherein: the static force loading device comprises weights and a stressed gasket;
the stress gasket is fixed on the upper part of the pressure rotary probe rod, and the weight penetrates through the pressure rotary probe rod and is placed on the stress gasket to apply downward pressure on the pressure rotary probe rod.
6. The pressure rotational sounding apparatus for measuring parameters of a geotechnical body according to claim 5, wherein: four corners of the bottom of the box body are respectively provided with support legs with adjustable heights, and an X-axis angle sensor and a Y-axis angle sensor are arranged on an inner bottom plate of the box body.
7. The pressure rotary penetration sounding apparatus for measuring parameters of rock-soil mass according to claim 6, wherein: the displacement sensor is arranged in the box body and used for measuring the displacement of the pressure rotary probe rod;
the torque sensor is fixed at the bottom of the pressure rotary probe rod and is used for recording the torsional acting force borne by the pressure rotary probe when the pressure rotary probe is screwed into a rock-soil body;
and the data output ends of the displacement sensor and the torque sensor transmit the detected data to the control end computer in a wired or wireless mode.
8. The pressure rotational sounding apparatus for measuring parameters of a geotechnical body according to claim 7, wherein: the device also comprises a GPS locator which is arranged in the box body and used for positioning.
9. The method for measuring parameters of a rock-soil mass using the compressive rotary sounding device for measuring parameters of a rock-soil mass according to claims 1 to 8, wherein: the pressure rotary penetration sounding device for positioning and measuring soil body parameters is arranged at a rock-soil body to be measured, the pressure rotary probe rod and the pressure rotary probe are driven by the torsion power device and the static loading device to downwards screw into the rock-soil body, the depth of the probe rod screwed into the rock-soil body is recorded by the displacement sensor, the torsion acting force of the probe is recorded by the torque sensor, and the displacement sensor and the torque sensor transmit acquired data to a control end computer in a wired or wireless mode for data statistics and analysis, so that a test report is given, and rapid survey is realized.
10. The pressure-rotational sounding method for measuring rock-soil body parameters according to claim 9, wherein: it comprises the following steps:
s1: moving the pressure rotary penetration sounding equipment to the side of the rock-soil body to be detected, and positioning the pressure rotary penetration sounding equipment at the mark point position of the rock-soil body to be detected;
s2: the support legs at the bottom of the box body are adjusted to ensure that the bottom plate of the box body is kept relatively horizontal;
s3: starting a torsion power device and a static force loading device to drive a pressure rotary penetration testing device to downwards screw into a rock-soil body, and performing penetration testing on the soil body;
s4; acquiring sounding data acquired by a displacement sensor and a torque sensor, and recording and storing the sounding data;
and after receiving the penetration data acquired by the sensor, the control end computer calls a relation model between the penetration data and rock-soil body parameters, substitutes the penetration data into the relation model, gives a test report and displays the test report on a display in real time.
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| CN202211432258.XA CN115728467A (en) | 2022-11-15 | 2022-11-15 | Pressure-rotating penetration sounding equipment and method for measuring rock-soil body parameters |
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| CN202211432258.XA CN115728467A (en) | 2022-11-15 | 2022-11-15 | Pressure-rotating penetration sounding equipment and method for measuring rock-soil body parameters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118477745A (en) * | 2024-07-15 | 2024-08-13 | 中国矿业大学 | Intelligent detection device for loosening degree of jig bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118477745A (en) * | 2024-07-15 | 2024-08-13 | 中国矿业大学 | Intelligent detection device for loosening degree of jig bed |
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