CN111622279A - System for evaluating pile foundation quality based on coring test and using method thereof - Google Patents
System for evaluating pile foundation quality based on coring test and using method thereof Download PDFInfo
- Publication number
- CN111622279A CN111622279A CN202010507141.8A CN202010507141A CN111622279A CN 111622279 A CN111622279 A CN 111622279A CN 202010507141 A CN202010507141 A CN 202010507141A CN 111622279 A CN111622279 A CN 111622279A
- Authority
- CN
- China
- Prior art keywords
- data
- curve
- module
- drilling machine
- pile foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a system for evaluating pile foundation quality based on a coring test and a use method thereof, relating to the field of engineering test, wherein the technical scheme is that the system for evaluating pile foundation quality based on the coring test comprises a support frame, a hydraulic cylinder fixed at the top end of the support frame, a lifting plate driven by the hydraulic cylinder to lift, a driving piece fixed at the top end of the lifting plate, a drill bit driven by the driving piece to rotate, and a data analysis system; an oil pressure transmitter is arranged in a hydraulic system of the hydraulic cylinder, a displacement measuring device for measuring the footage is arranged on the side edge of the lifting plate, and a rotating speed measuring device is arranged on the supporting frame; the data analysis system comprises a data acquisition module and a data processing module. The method has the effects of reducing subjectivity of workers in judgment and increasing accuracy of pile foundation testing.
Description
Technical Field
The invention relates to the field of engineering tests, in particular to a system for evaluating pile foundation quality based on a coring test and a using method thereof.
Background
Concrete is one of the most important building materials in the building engineering of China, and the quality of the concrete is directly related to the safety of building structures. The core drilling method is to use a concrete core drilling machine to directly drill a concrete core sample from a structure or construction to be detected. The traditional detection drilling process depends on the experience of operators in the whole process, and when a core sample cannot be taken out, the quality of a pile body cannot be judged; particularly, the thickness of the sediment at the pile end cannot be determined only by the experience of an operator; meanwhile, the process reproduction cannot be realized, and the monitoring of the monitoring process is not facilitated. The remote observation and control of the core drilling process can not be realized.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system for evaluating the quality of a pile foundation based on a coring test, which can record and analyze data through a sensor when the pile foundation cannot be taken out, so that the subjectivity of judgment of workers is reduced, and the accuracy of pile foundation testing is improved.
In order to achieve the purpose, the invention provides the following technical scheme: a system for evaluating pile foundation quality based on a coring test comprises a support frame, a hydraulic cylinder fixed at the top end of the support frame, a lifting plate driven by the hydraulic cylinder to lift, a driving piece fixed at the top end of the lifting plate, a drill bit driven by the driving piece to rotate, and a data analysis system;
an oil pressure transmitter is arranged in a hydraulic system of the hydraulic cylinder, a displacement measuring device for measuring the footage is arranged on the side edge of the lifting plate, and a rotating speed measuring device is arranged on the supporting frame;
the data analysis system comprises a data acquisition module and a data processing module; the data acquisition module comprises a pressure acquisition unit, a rotating speed acquisition unit and a moving speed acquisition unit; the data processing module comprises a pressure-depth processing unit, a rotating speed-depth processing unit and a moving speed-depth processing unit;
the pressure acquisition unit is used for detecting the pressure distribution of the drill bit in the working process of the drilling machine in real time and outputting a pressure value signal to the pressure-depth processing unit;
the rotating speed acquisition unit is used for detecting the rotating speed of the drill cylinder in real time in the working process of the drilling machine and outputting a rotating speed value signal to the rotating speed-depth processing unit;
the moving speed acquisition unit is used for detecting the moving speed of the drill bit in the working process of the drilling machine in real time and outputting a moving speed value signal to the moving speed-depth processing unit;
the pressure-depth processing unit records the pressure value signal in real time and draws a P-S curve;
the rotating speed-depth processing unit records the rotating speed value signal in real time and draws a v-S curve;
and the moving speed-depth processing unit records the moving speed value signal in real time and draws a V-S curve.
Through adopting above-mentioned technical scheme, at the in-process of coring the pile foundation, gather the pressure that the drill bit received, the rotational speed of drill bit and the data of drill bit advancing element through the three sensor that set up on equipment, form P-S curve, V-S curve and V-S curve, the trend through three curves detects the quality of pile foundation, the holding power layer of pile foundation bottom and the sediment layer (if have) of pile foundation bottom, the density that can more real pile foundation reflection and holding power layer, the quality are remedied each other to many curves, can be when unable samples, judge pile foundation and concrete according to the curve.
The invention is further configured to: the data analysis system also comprises a data storage module and a remote monitoring module; the data storage module is used for receiving the P-S curve data, the V-S curve data and the V-S curve data which are processed by the data processing module, carrying out time marking on the three curves, storing the three curves, and sending the measured data to the remote monitoring module; and the remote monitoring module receives the P-S curve data, the V-S curve data and the V-S curve data transmitted from the data storage module and detects the data in real time.
By adopting the technical scheme, the data storage module marks the detected data, so that the data can be called at any time later, and the reproduction of the detection process is realized; the remote detection module can obtain detected data while detecting, and can carry out remote monitoring and remote observation on the detection.
The invention is further configured to: the data analysis system also comprises a data analysis module; the data analysis module receives P-S curve, V-S curve and V-S curve data processed by the data processing module and calls the data storage module to compare and analyze the historical data which is closest to the curves.
By adopting the technical scheme, the data analysis module calls the historical data of the storage module, compares the detection data with the historical data and helps the staff to analyze the data.
The invention is further configured to: the data processing module also comprises a self-comparison unit, the self-comparison unit carries out self-comparison on the P-S curve, the V-S curve and the V-S curve, and if the variation amplitude of data of a certain curve is greatly different from that of the other two curves, the self-comparison unit marks the data.
By adopting the technical scheme, when the variation amplitude of data of a certain curve is greatly different from the remaining two curves, the data of the curve is generally in a special condition and has special inducement, and most of the data of the curve is sensor faults.
The invention is further configured to: the data processing module further comprises a labeling unit, the labeling unit analyzes the data marked in the self-comparison unit through a worker, judges the reason of the marked data, labels and sends the labeled data to the data storage module and the data analysis module.
By adopting the technical scheme, the marking unit marks the marked curve, so that the reason of curve difference can be intuitively known when historical data is called, and the calling and the use at the later stage are facilitated.
Another object of the present invention is to provide a method for using a system for evaluating pile foundation quality based on a coring test, comprising: the method comprises the following steps:
the method comprises the following steps: placing a drilling machine, namely placing the drilling machine to a place to be detected and fixing the drilling machine;
step two: debugging the drilling machine, namely debugging each part of the drilling machine to enable the part to meet working conditions;
step three: starting up the drilling machine, and starting up all parts of the drilling machine to enable the drilling machine to work;
step four: analyzing data, namely analyzing the data in the data processing module to form a curve, sending the curve to a display for displaying, and judging the quality of the pile foundation and the bearing stratum through the curve;
step five: after the data processing module finishes processing the data, the data is transmitted to a remote monitoring end in a wireless transmission mode;
step six: and after the test is finished, the drilling machine is turned off and reset.
By adopting the technical scheme, the pile foundation to be detected and the base layer to be eaten are drilled through the drilling machine, the sensor displays a data signal on the display in the drilling process, the quality of the pile foundation is judged through the trend of a curve formed on the display, and the quality of the pile foundation and the quality of the bearing stratum can be judged when coring cannot be carried out; and the curve is sent to a remote monitoring end while drilling, so that remote operation and monitoring can be realized.
In conclusion, the beneficial technical effects of the invention are as follows:
1. in the process of coring the pile foundation, three sensors arranged on equipment are used for collecting pressure received by a drill bit, the rotating speed of the drill bit and data of drill bit advancing elements to form a P-S curve, a V-S curve and a V-S curve, the quality of the pile foundation, a bearing stratum at the bottom end of the pile foundation and a sediment stratum (if any) at the bottom end of the pile foundation are detected through the trend of the three curves, the density and the quality of the pile foundation and the bearing stratum can be reflected more truly through mutual compensation of a plurality of curve elements, and the pile foundation and concrete can be judged according to the curves when sampling cannot be carried out;
2. the data storage module marks the detected data, so that the data can be called at any time later, and the reproduction of the detection process is realized; the remote detection module can obtain detected data while detecting, and can carry out remote monitoring and remote observation on the detection;
3. the data analysis module calls the historical data of the storage module, compares the detection data with the historical data and helps workers analyze the data.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic diagram of a data analysis system;
FIG. 3 is a schematic structural diagram of a data acquisition module and a data processing module;
FIG. 4 is a schematic diagram of a V (shift speed) -S (depth) curve;
FIG. 5 is a schematic of a v (rotation speed) -S (depth) curve;
fig. 6 is a schematic diagram of a P (pressure) -S (depth) curve.
In the figure: 1. 1, a support frame; 11. a chute; 12. a rotational speed measuring device; 2. a hydraulic cylinder; 3. a lifting plate; 31. a connecting plate; 32. a displacement measuring device; 4. a first motor; 5. a drill bit; 6. a data acquisition module; 61. a pressure acquisition unit; 62. a rotating speed acquisition unit; 63. a moving speed acquisition unit; 7. a data processing module; 71. a pressure-depth processing unit; 72. a rotation speed-depth processing unit; 73. a shift-depth processing unit; 74. a self-contrast unit; 75. labeling units; 76. a display; 8. a data storage module; 81. a remote monitoring module; 9. and a data analysis module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the first embodiment is as follows: a system for evaluating pile foundation quality based on a coring test comprises a drilling machine and a data analysis system. Referring to fig. 1, the drilling machine includes a support frame 1, a hydraulic cylinder 2 fixed on the top of the support frame 1, a lifting plate 3 driven by the hydraulic cylinder 2 to lift, a first motor 4 fixed on the top of the lifting plate 3, and a drill bit 5 driven by the first motor 4 to rotate. The drill bit 5 is a hollow cylinder.
The cylinder body of the hydraulic cylinder 2 is fixedly connected with the support frame 1, and a connecting plate 31 fixedly connected with the lifting plate 3 is fixed on a piston rod of the hydraulic cylinder 2; the lifting plate 3 is fixedly connected with the connecting plate 31, and the surfaces of the lifting plate and the connecting plate are parallel to each other. Offer on support frame 2 and supply gliding spout 11 of supporting shoe 32, the vertical setting of spout 11 can be spacing with placing the slip of connecting plate 31 for connecting plate 31 level slides along vertical direction. An oil pressure transmitter is arranged in a hydraulic system of the hydraulic cylinder 2, and can measure the pressure distribution (P) of the drill bit in the working process of the drilling machine.
The side of the connection plate 31 is provided with a displacement measuring device 32 (typically a displacement sensor) for measuring the footage. The displacement measuring device 32 measures the displacement velocity (V) of the drill by the displacement of the connection plate 31 and the support frame 1 in a unit time. A rotation speed measuring device 12 (typically, a rotation speed sensor) is fixed to the bottom end of the chute 11, and the rotation speed measuring device 12 measures the rotation speed (v) of the drill bit.
Referring to fig. 2 and 3, the data analysis system includes a data acquisition module 6, a data processing module 7, a data storage module 8, a remote monitoring module 81, and a data analysis module 9. The data acquisition module 6 includes a pressure acquisition unit 61, a rotational speed acquisition unit 62, and a shift speed acquisition unit 63. The data processing module 7 includes a pressure (P) -depth processing unit 71, a rotational speed (V) -depth processing unit 72, a moving speed (V) -depth processing unit 73, a self-comparing unit 74, and a labeling unit 75.
The pressure acquisition unit 61 detects the pressure distribution (P) of the drill bit in the working process of the drilling machine in real time through an oil pressure transmitter arranged in a hydraulic system of the hydraulic cylinder 2 and outputs a pressure value signal to the pressure (P) -depth processing unit 71.
The rotating speed acquisition unit 62 detects the rotating speed (v) of the drill barrel in the working process of the drilling machine in real time through the rotating speed measuring device 12 and outputs a rotating speed value signal to the rotating speed (v) -depth processing unit 72.
The moving speed acquisition unit 63 detects the moving speed (V) of the drill bit in the working process of the drilling machine in real time through the displacement measurement device 32 and outputs a moving speed value signal to the moving speed (V) -depth processing unit 73.
The pressure (P) -depth processing unit 71 records the pressure value signal in real time and plots the pressure value signal into a P (pressure) -S (depth) curve (see fig. 6), and sends the plotted P (pressure) -S (depth) curve to the self-comparing unit 74.
The rotation speed (v) -depth processing unit 72 records the rotation speed value signal in real time and draws a v (rotation speed) -S (depth) curve (see fig. 5), and sends the drawn v (rotation speed) -S (depth) curve to the self-comparing unit 74.
The shift speed (V) -depth processing unit 73 records the shift speed value signal in real time and plots the shift speed value signal into a V (shift speed) -S (depth) curve (see fig. 4), and sends the plotted V (shift speed) -S (depth) curve to the self-comparing unit 74.
The self-comparison unit 74 compares the obtained P (pressure) -S (depth) curve, V (rotating speed) -S (depth) curve and V (moving speed) -S (depth) curve with each other, if the variation amplitude of one curve is greatly different from the other two curves, the self-comparison unit 74 aligns for marking, and after marking is finished, all the curves are transmitted to the marking unit 75; and if no obvious difference exists, directly sending the data to the labeling unit.
The marking unit 75 is used for displaying the curve transmitted by the self-comparison unit, receiving externally input reason data, marking the curve, adding marking information into the system, and sending the marked curve to the data storage module 8 and the data analysis module 9; if a curve is not marked by the self-alignment unit 74, no labeling is required.
And the data storage module 8 is used for receiving the P (pressure) -S (depth) curve, the V (rotating speed) -S (depth) curve and the V (moving speed) -S (depth) curve processed by the data processing module 7, carrying out time marking on the three curves, storing the curves, and sending the measured data to the remote monitoring module 81.
And the remote monitoring module 81 receives the data of the P (pressure) -S (depth) curve, the V (rotating speed) -S (depth) curve and the V (moving speed) -S (depth) curve transmitted from the data storage module 8 and monitors the signals transmitted by the storage module 8 at proper time.
And the data analysis module 9 is used for receiving the P (pressure) -S (depth) curve, the V (rotating speed) -S (depth) curve and the V (moving speed) -S (depth) curve data which are processed by the data processing module 7 and calling the data storage module 8 to compare and analyze the historical data which is closest to the curves.
The support frame 1 is provided with a display 76, and the display 76 can receive the image of the data processing module 71 and output the image in real time; meanwhile, the display 76 can call the historical data of the data storage module 8, compare the detected data with the historical data and assist the analysis of workers.
With reference to fig. 4, 5 and 6, when the interior of the concrete pile foundation is relatively uniform, the fluctuation range of the P-S curve, the V-S curve and the V-S curve is relatively small, such as sections 0-a and b-c; when the defects of segregation, mud inclusion and the like occur in the pile foundation, the pressure value in the P-S curve is reduced, and the rotating speed value of the V-S curve and the moving speed value of the V-S curve are increased, such as a section a-b; when the drill bit is rotated into the pile bottom holding layer, the density of the holding layer is not as high as that of concrete, so that the pressure value in the P-S curve is reduced, and the rotating speed value of the V-S curve and the moving speed value of the V-S curve are increased, such as a c-d section. If a sediment layer (the sediment layer is thinner and has a higher density than the bearing layer) exists at the bottom of the pile, the thickness of the sediment layer can be measured.
The using method comprises the following steps: after the support frame 1 is fixed and stabilized, a drilling machine is started to start working, the data acquisition module 6 starts working in the working process, and real-time data of pressure (P) of a drill bit, moving speed (V) of the drill bit and rotating speed (V) of the drill bit in the working process are recorded to form a P-S curve, a V-S curve and a V-S curve through the data processing module 7. The staff can be through analyzing the numerical value of curve and the degree of change of curve, can dissect the quality of pile foundation under the condition of not taking out the pile foundation sample. And (4) along with the continuation of drilling, the drill bit enters the bearing stratum at the bottom end of the pile foundation and detects the bearing stratum.
Example two: : a method for evaluating pile foundation quality based on coring test comprises the following steps:
the method comprises the following steps: and (4) placing a drilling machine, namely placing the drilling machine to a to-be-detected place and fixing.
Step two: debugging the drilling machine, namely adjusting the hydraulic cylinder 2 to an initial position, detecting the first motor 4 and the drill bit 5 and determining that the drilling machine is not in failure; then, the oil pressure transmitter, the displacement measuring device 32 and the rotating speed measuring device 12 are detected to determine that the oil pressure transmitter, the displacement measuring device and the rotating speed measuring device can work stably;
step three: starting the pile foundation testing machine, starting the first motor 4 to drive the drill bit 5 to rotate, then starting the hydraulic cylinder 2 to drive the drill bit to move towards the direction close to the pile foundation, and testing the pile foundation;
step four: and analyzing the data, analyzing the data in the data processing module 7, and displaying the data through the display 76. Firstly, analyzing the curve marked by the self-comparison unit 74, analyzing the possible causes of the curve, analyzing the causes and recording the causes through the marking unit 75; if the equipment causes the problem, the detection is stopped, the equipment is debugged again, and the detection is restarted. If the self-alignment unit 74 has no mark, no labeling is required. And comparing the collected data with historical data, helping a worker to quickly analyze the reason for curve formation by means of the historical data, and judging the quality of the pile foundation according to the condition of the data.
Step five: after the data is sent and processed by the data processing module 7, the data is transmitted to the remote monitoring terminal 81 in a wireless transmission mode, so that the remote observation and monitoring of the data are realized.
Step six: and (4) shutting down, taking out the drill bit 5 after the test is finished, and shutting down the first motor 4 and the hydraulic cylinder 2.
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 (6)
1. The utility model provides a system based on coring test evaluation pile foundation quality, includes support frame (1), fixes at pneumatic cylinder (2) on support frame (1) top, by lifter plate (3) that pneumatic cylinder (2) drove the lift, fix at the driving piece on lifter plate (3) top and drive pivoted drill bit (5) by the driving piece, its characterized in that: the support frame (1) is provided with a display (71) and further comprises a data analysis system;
an oil pressure transmitter is arranged in a hydraulic system of the hydraulic cylinder (2), a displacement measuring device (32) for measuring a footage is arranged on the side edge of the lifting plate (3), and a rotating speed measuring device (12) is arranged on the support frame (1);
the data analysis system comprises a data acquisition module (6) and a data processing module (7); the data acquisition module (6) comprises a pressure acquisition unit (61), a rotating speed acquisition unit (62) and a moving speed acquisition unit (63); the data processing module (7) comprises a pressure-depth processing unit (71), a rotating speed-depth processing unit (72) and a moving speed-depth processing unit (73);
the pressure acquisition unit (61) is used for detecting the pressure distribution of the drill bit in the working process of the drilling machine in real time and outputting a pressure value signal to the pressure-depth processing unit (71);
the rotating speed acquisition unit (62) is used for detecting the rotating speed of the drill cylinder in the working process of the drilling machine in real time and outputting a rotating speed value signal to the rotating speed-depth processing unit (72);
the moving speed acquisition unit (63) is used for detecting the moving speed of the drill bit in the working process of the drilling machine in real time and outputting a moving speed value signal to the moving speed-depth processing unit (73);
the pressure-depth processing unit (71) is used for recording the pressure value signals in real time and drawing a P-S curve;
the rotating speed-depth processing unit (72) records the rotating speed value signal in real time and draws a v-S curve;
and a shift speed-depth processing unit (73) for recording the shift speed value signal in real time and drawing a V-S curve.
2. The system for evaluating the quality of a pile foundation based on a coring test as set forth in claim 1, wherein: the data analysis system further comprises a data storage module (8) and a remote monitoring module (81);
the data storage module (8) is used for receiving the P-S curve, the V-S curve and the V-S curve data processed by the data processing module (7), carrying out time marking on the three curves, storing the three curves, and simultaneously sending the measured data to the remote monitoring module (81);
and the remote monitoring module (81) receives the P-S curve, the V-S curve and the V-S curve data transmitted from the data storage module (8) and detects the data in real time.
3. The system for evaluating the quality of a pile foundation based on a coring test as set forth in claim 2, wherein: the data analysis system further comprises a data analysis module (9); the data analysis module (9) receives the P-S curve, the V-S curve and the V-S curve data which are processed by the data processing module (7) and calls the data storage module (8) to compare and analyze the historical data which are closest to the curves.
4. The system for evaluating the quality of a pile foundation based on a coring test as set forth in claim 3, wherein: the data processing module (7) further comprises a self-comparison unit (74), the self-comparison unit (74) performs self-comparison on the P-S curve, the V-S curve and the V-S curve, and if the variation amplitude of data of one curve is greatly different from that of the other two curves, the self-comparison unit (74) marks the data of the other curve.
5. The system for evaluating the quality of a pile foundation based on a coring test as set forth in claim 5, wherein: the data processing module (7) further comprises a labeling unit (75) which receives and displays the curve transmitted by the self-comparison unit (74), receives externally input reason data, labels the curve, adds labeling information into the system, and sends the labeled curve to the data storage module (8) and the data analysis module (9); .
6. Use of a system for evaluating the quality of pile foundations based on coring tests as claimed in claim 5, characterized in that: the method comprises the following steps:
the method comprises the following steps: placing a drilling machine, namely placing the drilling machine to a place to be detected and fixing the drilling machine;
step two: debugging the drilling machine, namely debugging each part of the drilling machine to enable the part to meet working conditions;
step three: starting up the drilling machine, and starting up all parts of the drilling machine to enable the drilling machine to work;
step four: data analysis, namely analyzing the data in the data processing module (7), forming a curve, sending the curve to a display (71) for displaying, and judging the quality of the pile foundation and the bearing stratum through the curve;
step five: after the data processing module (8) completes the data processing, the data is transmitted to a remote monitoring end (81) in a wireless transmission mode;
step six: and after the test is finished, the drilling machine is turned off and reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010507141.8A CN111622279A (en) | 2020-06-05 | 2020-06-05 | System for evaluating pile foundation quality based on coring test and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010507141.8A CN111622279A (en) | 2020-06-05 | 2020-06-05 | System for evaluating pile foundation quality based on coring test and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111622279A true CN111622279A (en) | 2020-09-04 |
Family
ID=72258141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010507141.8A Pending CN111622279A (en) | 2020-06-05 | 2020-06-05 | System for evaluating pile foundation quality based on coring test and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111622279A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050284659A1 (en) * | 2004-06-28 | 2005-12-29 | Hall David R | Closed-loop drilling system using a high-speed communications network |
| CN107288162A (en) * | 2017-07-18 | 2017-10-24 | 广州市建设工程质量安全检测中心 | A kind of cast-in-place concrete pile pile bottom sediment thickness detection apparatus and method |
| CN107656974A (en) * | 2017-09-05 | 2018-02-02 | 北京天平检验行有限公司 | A kind of big data analysis system |
| CN207832487U (en) * | 2018-01-09 | 2018-09-07 | 广东合正建筑物鉴定检测有限公司 | A kind of concrete core drilling machine |
| CN109236267A (en) * | 2018-11-24 | 2019-01-18 | 西南能矿集团股份有限公司 | A kind of drilling machine remote monitoring system |
| CN110144870A (en) * | 2019-06-17 | 2019-08-20 | 广州市市政工程试验检测有限公司 | A kind of geological drilling rig monitoring drill core operating condition and its monitoring method |
-
2020
- 2020-06-05 CN CN202010507141.8A patent/CN111622279A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050284659A1 (en) * | 2004-06-28 | 2005-12-29 | Hall David R | Closed-loop drilling system using a high-speed communications network |
| CN107288162A (en) * | 2017-07-18 | 2017-10-24 | 广州市建设工程质量安全检测中心 | A kind of cast-in-place concrete pile pile bottom sediment thickness detection apparatus and method |
| CN107656974A (en) * | 2017-09-05 | 2018-02-02 | 北京天平检验行有限公司 | A kind of big data analysis system |
| CN207832487U (en) * | 2018-01-09 | 2018-09-07 | 广东合正建筑物鉴定检测有限公司 | A kind of concrete core drilling machine |
| CN109236267A (en) * | 2018-11-24 | 2019-01-18 | 西南能矿集团股份有限公司 | A kind of drilling machine remote monitoring system |
| CN110144870A (en) * | 2019-06-17 | 2019-08-20 | 广州市市政工程试验检测有限公司 | A kind of geological drilling rig monitoring drill core operating condition and its monitoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5978749A (en) | Pile installation recording system | |
| CN111474060B (en) | Quick and automatic measuring device for engineering rock mechanical parameters and application method | |
| CN106092770A (en) | A kind of box Shearing strength test method | |
| CN113605887A (en) | Deep drilling complex environment local wall stress relief test method and system | |
| CN111650085A (en) | Portable soil body normal position density tester | |
| CN105738225A (en) | Deep-hole rock/soil in-situ test method and robot | |
| CN115615804A (en) | Visual triaxial test instrument capable of monitoring full-lateral deformation | |
| CN206706724U (en) | The control device that drops hammer for marine standard penetration test (SPT) | |
| CN105891015A (en) | Box-type sampling and shearing strength testing device | |
| CN111622279A (en) | System for evaluating pile foundation quality based on coring test and using method thereof | |
| CN106839960A (en) | It is a kind of for timber structure Tenon node size and the lossless detection method of internal flaw | |
| CN106644329A (en) | 120MN bridge support tester for high-precision dynamic measurement | |
| CN112710536A (en) | Cement soil compressive strength quality detection device and test method | |
| CN210322636U (en) | High-precision drilling shearing testing device | |
| CN212646386U (en) | Portable soil body normal position density tester | |
| CN210719107U (en) | Crank assembly height detection device | |
| CN206804247U (en) | A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement | |
| JP2880602B2 (en) | Excavation surface survey system | |
| CN209541610U (en) | Auxiliary tool is used in a kind of in-service roller detection | |
| CN205676867U (en) | A kind of driving means | |
| CN216304613U (en) | Single-bridge static penetrometer data acquisition device and single-bridge static penetrometer | |
| CN112832746A (en) | Circulating drilling machine and real-time detection and early warning method for inclination of drill rod of circulating drilling machine | |
| JP3921090B2 (en) | Self-propelled geological survey machine | |
| CN219455866U (en) | Asphalt pavement water seepage detection device | |
| CN205981939U (en) | Control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200904 |
|
| RJ01 | Rejection of invention patent application after publication |