CN103898931A - Three-dimensional foundation pile detection device and method based on borehole radar - Google Patents
Three-dimensional foundation pile detection device and method based on borehole radar Download PDFInfo
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- CN103898931A CN103898931A CN201410145306.6A CN201410145306A CN103898931A CN 103898931 A CN103898931 A CN 103898931A CN 201410145306 A CN201410145306 A CN 201410145306A CN 103898931 A CN103898931 A CN 103898931A
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Abstract
The invention relates to a three-dimensional foundation pile detection device and method based on a borehole radar. On the basis that a foundation pile is internally provided with a through hole, and the through hole extends in the axial direction of the foundation pile, the three-dimensional foundation pile detection device based on the borehole radar comprises the borehole radar, a traction module and a central control module. The borehole radar comprises an in-well antenna and a radar body, wherein the in-well antenna is connected with the radar body, and the radar body is connected with the central control module. The three-dimensional foundation pile detection method comprises the steps of positioning the in-well antenna, conducting three-dimensional scanning detection, conducting shifting detection, transmitting data, generating a three-dimensional image and the like. By the adoption of the technical scheme, detection of the integrality of the foundation pile, the thickness of pile bottom sediments and the length of a steel reinforcement cage can be achieved, the three-dimensional image can be obtained, and a detector can visually see the conditions of the foundation pile and the surroundings of the foundation pile.
Description
Technical field
The present invention relates to a kind of foundation pile integrity detection field, more specifically, relate to a kind of foundation pile three-dimensional detection device based on borehole radar and the foundation pile 3 D detection method based on this device.
Background technology
Comparatively generally sound wave transmission method, high strain and low Strain Method and core drilling method in the conventional detection method of Current Building ' foundation pile integrity detection, these several detection methods are developed faster for many years and are gradually improved, but also have many problems.Wherein sound wave transmission method, low Strain Method and high Strain Method are lossless detection methods but have larger test blind area, they can belong to two-dimensional detection technical method, the depth location of abnormal appearance can only be judged and its orientation can not be judged, and because when abnormal, being caused by pile bottom sediment or bearing stratum appears at the bottom of cannot judging in the restriction of method itself; Core drilling method is to damage detection method to belong to direct method, can reflect more intuitively the foundation pile situation at bore position place, has the problem of Points replacing surfaces with the classification of pile integrity that it passes judgment on whole stake.Simultaneously, above four kinds of detection methods all can not be described out the profile of foundation pile to be checked and its reinforcing cage, and along with the variation of construction project and the raising of quality requirement, modern architecture can design and construction technology by a lot of special foundation piles of association, often allow conventional detection means helpless to the detection of these foundation piles, this just requires to have a kind of effectively detection method to solve these problems.
It is that a kind of handle transmits and receives antenna and all puts the geological radar method of testing in boring into that borehole radar is surveyed, it transmits and receives signal underground, broken through the limitation of ground geophysical method and realized a kind of wider detection, research and application borehole radar technology make modern architecture can carry out large-scale subterranean strata detection and obtain reliable precision.In recent years, the application of borehole radar technology in engineering is more and more general, the advantage of its solving practical problems is also further obvious, the application study of borehole radar technology mainly contains the fields such as geological survey, engineering investigation, environmental survey, Hydropower Dam prospecting, detecting broken band, empty detection, karst investigation and salt deposit investigation, but in prior art, the application of borehole radar only limits to two-dimensional detection or detection.
Summary of the invention
The object of the invention is to exist in foundation pile detects for existing detection technique larger test blind area, to the more difficult accurate judgement in concrete size, the orientation of defect, and cannot detect accurately the problems such as the situation of pile bottom sediment and reinforcing cage, a kind of foundation pile three-dimensional detection device and a kind of foundation pile 3 D detection method based on borehole radar proposed.
The optional position that utilizes the foundation pile three-dimensional detection device based on borehole radar of the present invention can allow the well internal antenna of borehole radar pause in foundation pile axially extending bore, thus realize the three-dimensional detection to foundation pile itself and foundation pile bottom geological condition.
In order to achieve the above object, adopt following technical scheme:
A foundation pile three-dimensional detection device based on borehole radar, based on the interior foundation pile of establishing through hole, described through hole extends along foundation pile axial direction, comprising:
Borehole radar, comprises antenna and radar host computer in interconnective well, and in described well, antenna is arranged in through hole, for 3-D scanning detection is carried out in space, place, and the detection data that described radar host computer sends for received well antenna;
Traction module, is connected with antenna in well, for driving well antenna move in through hole or locate;
Central control module, is connected with radar host computer, for detection data the drawing three-dimensional image of the transmission of receiving radar main frame.
As a kind of specific embodiment, in described well, antenna comprises the positioning unit connecting successively, directional aerial and counterweight, described positioning unit comprises miniature control module and the micromachine being connected with miniature control module and several position sensors, described miniature control module is connected with central control module, wherein:
Miniature control module, for controlling the rotation of micromachine;
Micromachine, for driving directional aerial to rotate vertically;
Position sensor, for determining the orientation of directional aerial in through hole;
Directional aerial, for directional transmissions and directional reception electromagnetic wave.
As a kind of specific embodiment, described traction module comprises drive motors and the pull rope for folding and unfolding well antenna, and described pull rope one end is connected with motor output end, antenna in the connecting well of one end.
Utilize foundation pile 3 D detection method of the present invention can realize the detection to foundation pile integrality, pile bottom sediment thickness, reinforcing cage and pile body profile and bearing stratum, and can obtain 3-D view, allow detection personnel see intuitively the situation of foundation pile and foundation pile periphery.
In order to achieve the above object, adopt following technical scheme:
Based on a foundation pile 3 D detection method for the foundation pile three-dimensional detection device based on borehole radar described in claim 1, comprise the following steps:
S1 traction module puts antenna in well to the depth location to be checked in foundation pile through hole;
In S2 well, antenna carries out 3-D scanning detection to space, place, and detection data is sent to radar host computer;
S3 traction module changes the depth location of antenna in well, and in well, antenna carries out 3-D scanning detection to space, place, and detection data is sent to radar host computer;
The detection data that in S4 radar host computer received well, antenna sends also sends central control module to;
The detection data drawing three-dimensional image of S5 central control module based on receiving, and judge foundation pile integrality and profile thereof according to 3-D view, disclose the stake end and bearing stratum situation.
As a kind of specific embodiment, in described step S3, the mode that traction module changes the depth location of antenna in well is antenna in winding shaft at the uniform velocity between adjacent measuring point spacing.
As a kind of specific embodiment, described through hole runs through foundation pile bottom, is communicated with bearing stratum.
As a kind of specific embodiment, before described step S1, also comprise the step of holing to form through hole along foundation pile axial direction.
As a kind of specific embodiment, before described step S1, while being also included in foundation pile construction at pre-buried pvc pipe vertically to form the step of through hole.
As a kind of specific embodiment, in described step S2 or S3, in described well, antenna is realized the detection of 360 degree omnidirectionals by rotational orientation sky line traffic control detection direction.
As a kind of specific embodiment, in described step S2 or S3, in described well, antenna is realized the detection of 360 degree omnidirectionals by point time-division to detection mode.
Compared with prior art, beneficial effect of the present invention is:
The present invention by putting into well antenna in the axially extending bore of foundation pile, and by built-in pipe or be bored into bearing stratum, can realize the detection to foundation pile itself and foundation pile bottom geological condition, the present invention can realize 360 degree directions by rotational orientation antenna or point time-division to detection and transmit and receive data in detection process, and the three-dimensional one-tenth figure of later stage based on this detection can three-dimensional present the information such as pile body integrity, pile bottom sediment thickness, reinforcing cage and pile body profile and bearing stratum situation.Technical scheme of the present invention has that resolution ratio is high, antijamming capability is strong, can carry out the features such as three-dimensional detection, can demonstrate more all sidedly the information of foundation pile, has a good application prospect and practical value.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the foundation pile three-dimensional detection device based on borehole radar of the present invention.
Fig. 2 is the top view of built-in pipe foundation pile part in Fig. 1.
Fig. 3 is the constructional drawing of antenna in the radar silo of the foundation pile three-dimensional detection device based on borehole radar of the present invention.
In figure: 10-foundation pile; 11-reinforcing cage; 12-through hole; 20-PVC pipe; 30-bearing stratum; Antenna in 40-well; 41-positioning unit; The miniature control module of 411-; 412-micromachine; 42-directional aerial; 43-counterweight; 50-pull rope; 60-radar host computer; 70-drive motors; 80-pile bottom sediment; 100-central control module.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described:
Referring to Fig. 1, the foundation pile three-dimensional detection device based on borehole radar of the present invention, based on the interior foundation pile 10 of establishing through hole 12, described through hole 12 extends along foundation pile 10 axial directions, and sniffer comprises:
Borehole radar, comprises antenna 40 and radar host computer 60 in the well of mutual electrical connection, and in described well, antenna 40 is arranged in through hole 12, for 3-D scanning detection is carried out in space, place, and the detection data that described radar host computer 60 sends for received well antenna 40.
In described well, on antenna 40, comprise the positioning unit 41, directional aerial 42, counterweight 43 and the stube cable that connect successively from top to bottom, described positioning unit 41 at least comprises that a miniature control module 411, one are for driving the micromachine 411 of directional aerial rotation and several are for determining the position sensor of directional aerial 42 in through hole 12 orientation, place, miniature control module 411 is connected with central control module 100, wherein the controlled directional aerial 42 processed of micromachine 411 rotates at down-hole uniform speed slow, the orientable transmitting of directional aerial 42 and directional reception electromagnetic wave.
Traction module, is connected with antenna in well 40, for driving well antenna 40 in the interior movement of through hole 12 or location.
Described traction module comprises drive motors 70 and the pull rope 50 for folding and unfolding well antenna 40, described pull rope 50 one end are connected with motor output end, antenna 40 in the connecting well of one end, also be provided with side by side cable with pull rope 50, the stube cable of antenna 40 in the connecting well of cable one end, the other end is connected with radar host computer 60, for supplying electric power and allowing high speed data transfer.
In the present embodiment, foundation pile 10 is concrete pile, in foundation pile 10, be embedded with pvc pipe 20, can utilize rig to enter the bearing stratum 30 of foundation pile 10 bottoms along pvc pipe 20 inner part drillings, in well, antenna 40 can be transferred to bearing stratum 30 spaces, place along pvc pipe 20 and boring, to facilitate antenna 40 in well to survey foundation pile 10 bottom environment.
Based on said structure and setting, foundation pile 3 D detection method of the present invention, has comprised the following steps:
S1 traction module puts antenna in well 40 to the depth location to be checked in foundation pile through hole 12.
In this step, drive motors 70 progressively sinks antenna 40 in well by decontroling pull rope 50, until rest on default depth location to be checked, be also provided with a pulley 90 at through hole 12 aperture positions and form the support to pull rope 50, pull rope 50 can change lead by pulley 90.
Before foundation pile 10 is detected, carry and in pre-buried pvc pipe 20, fill clear water the previous day.
In order to form through hole in foundation pile 10, so that the passage that in the well of formation borehole radar, antenna passes unimpeded up and down also may be reached by following two kinds of modes before this step:
The one, in the time of foundation pile 10 foundation pile construction in the middle of the foundation pile from pushing up pre-buried pvc pipe 20 to stake at the bottom of stake, pvc pipe 20 diameters should be slightly larger than 40 diameters of antenna in radar silo, at the bottom of making in well antenna 40 can arrive smoothly, must ensure that pvc pipe 20 is excellent.
In another kind of mode, through hole 12 after can utilizing core drilling method to foundation pile 10 examinations is as the passage of antenna in well 40, for the foundation pile 10 that did not adopt core drilling method to survey, also can hole to pile bottom force holding layer 30 or other any degree of depth that needs detection along foundation pile 10 axial directions, thereby make the structure situation that detects the interior reinforcing cage 11 of foundation pile 10, pile bottom sediment 80 and bearing stratum 30 become possibility.
In S2 well, 3-D scanning detection is carried out in antenna 40 spaces, place, and detection data is sent to radar host computer 60.
In this step, in well, antenna 40 is transferred to via bottoms along the through hole 12 forming because of pre-buried pvc pipe 20 or boring in foundation pile 10, in well, antenna 40 carries out 3-D scanning detection to the surrounding space in self space, place, its detection process is to utilize an antenna transmission high-frequency wideband electromagnetic wave, and another antenna reception is from the back wave of concrete pile body rejected region or underground rock soil medium.Radar wave propagation is subject to the impact of medium electromagnetic property and geometric shape, and receiving terminal electromagnetic intensity and waveform will change thereupon.Accordingly, according to the electromagnetic two way travel time of receiving terminal (Travel Time), amplitude (Amplitude) and waveform (Waveform) data, can infer the architectural feature that pile body integrity and underground rock soil medium.
In order to obtain 360 degree omnidirectional data, in well, antenna 40 carries out omnidirectional's detection by the detection direction of the interoperation control directional aerial 42 between positioning unit placed on it 41 and directional aerial 42, also can realize 360 degree omnidirectionals to detection mode by point time-division surveys, in above-mentioned detection, all can utilize position sensor to determine the position relation of directional aerial 42, thereby further ensure integrality and reliability that omnidirectional surveys.In surveying, in well, antenna 40 is sent to radar host computer 60 by cable by detection data.
In order to realize location, wherein a kind of more common method is the preset special reinforcing bar of certain direction (as larger in diameter) at reinforcing cage, due to the particularity of this reinforcing bar, its back wave for antenna in well 40 is different, back wave based on this differentiation can be judged the position of this reinforcing bar, and can realize determining directional aerial 42 location statuss taking this reinforcement location as reference.
S3 traction module changes the depth location of antenna 40 in well, and in well, antenna 40 carries out 3-D scanning detection to space, place, and detection data is sent to radar host computer 60;
In order to realize, the diverse location of foundation pile 10 is all detected, in well the detection of antenna 40 actual be a dynamic process, it is repeatedly surveyed according to the different depth position of reserving in advance in advance, and wherein the distance of adjacent sensing point is less, and the overall structure that detection obtains foundation pile 10 is just clearer.In the present embodiment, in well, antenna 40 starts from through hole 12 bottoms to survey, thereby and by traction module at the uniform velocity in winding shaft antenna 40 change the depth location of antenna 40 in wells, make it keep certain speed at the uniform velocity to promote by certain measuring point interval, complete omnidirectional's test at each predetermined measuring point place.With the process of step S2 similarly, in well, antenna 40 obtains detection data and is also sent to ground radar main frame 60 places by cable.
The detection data that in S4 radar host computer 60 received wells, antenna 40 sends also sends central control module 100 to.
In this step, radar host computer 60 is converted to the form that central control module 100 can be identified after receiving the detection data that in well, antenna 40 sends, and passes to central control module 100.
The detection data drawing three-dimensional image of S5 central control module 100 based on receiving, and judge foundation pile integrality according to 3-D view.
In the present embodiment, central control module 100 can be Industrial Personal Computer (IPC), PC or other have the computer equipment of computing function, central control module 100 carries out data processing to the detection data from radar host computer 60, and according to reinforcing bar, dense concrete, leakiness concrete, the all rock-soil layers of stake, different medium resistivity and the difference in dielectric constant such as stake bed rock layer, analyze omnidirectional's measured data of each measuring point, profiling and whole stake 3 dimensional drawing, thereby demonstrate the profile of foundation pile, the profile of reinforcing cage, pile bottom sediment 80, bearing stratum 30 even more deep layer periphery geological condition and pile body integrity (comprises defect three-dimensional position, degree etc.), as required, can also be to existing abnormal position to carry out the same degree of depth and being extracted into figure with the section of radius.
The generation of above-mentioned 3-D view is completed by three-dimensional Become the picture software default in central control module 100, it is by the coordinate of setting up in advance, and import by default standard the data that borehole radar obtains in this coordinate, can obtain 3-D view, in view of the common technology means that this imaging process is this area, repeat no more herein.
Based on above-mentioned 3-D view, detection personnel also further can realize delineate foundation pile shape, judge whether foundation pile exists defect (as segregation, folder mud, undergauge, cavity etc.), judge detect pile bottom sediment 80 the situation such as thickness, the length of detection reinforcing cage, find out pile bottom force holding layer 30 or deep layer geological condition more.
Should be appreciated that, the present invention is not limited to above-mentioned embodiment, every various changes of the present invention or modification are not departed to the spirit and scope of the present invention, if these are changed and within modification belongs to claim of the present invention and equivalent technologies scope, the present invention also means and comprises these changes and modification.
Claims (10)
1. the foundation pile three-dimensional detection device based on borehole radar, based on the interior foundation pile of establishing through hole, described through hole extends along foundation pile axial direction, it is characterized in that, comprising:
Borehole radar, comprises antenna and radar host computer in interconnective well, and in described well, antenna is arranged in through hole, for 3-D scanning detection is carried out in space, place, and the detection data that described radar host computer sends for received well antenna;
Traction module, is connected with antenna in well, for driving well antenna move in through hole or locate;
Central control module, is connected with radar host computer, for detection data the drawing three-dimensional image of the transmission of receiving radar main frame.
2. the foundation pile three-dimensional detection device based on borehole radar as claimed in claim 1, it is characterized in that, in described well, antenna comprises the positioning unit connecting successively, directional aerial and counterweight, described positioning unit comprises miniature control module and the micromachine being connected with miniature control module and several position sensors, described miniature control module is connected with central control module, wherein:
Miniature control module, for controlling the rotation of micromachine;
Micromachine, for driving directional aerial to rotate vertically;
Position sensor, for determining the orientation of directional aerial in through hole;
Directional aerial, for directional transmissions and directional reception electromagnetic wave.
3. the foundation pile three-dimensional detection device based on borehole radar as claimed in claim 1, it is characterized in that, described traction module comprises drive motors and the pull rope for folding and unfolding well antenna, and described pull rope one end is connected with motor output end, antenna in the connecting well of one end.
4. the foundation pile 3 D detection method based on the foundation pile three-dimensional detection device based on borehole radar described in claim 1, is characterized in that, has comprised the following steps:
S1 traction module puts antenna in well to the depth location to be checked in foundation pile through hole;
In S2 well, antenna carries out 3-D scanning detection to space, place, and detection data is sent to radar host computer;
S3 traction module changes the depth location of antenna in well, and in well, antenna carries out 3-D scanning detection to space, place, and detection data is sent to radar host computer;
The detection data that in S4 radar host computer received well, antenna sends also sends central control module to;
The detection data drawing three-dimensional image of S5 central control module based on receiving, and judge foundation pile integrality and profile thereof according to 3-D view, disclose the stake end and bearing stratum situation.
5. foundation pile 3 D detection method as claimed in claim 4, is characterized in that, in described step S3, the mode that traction module changes the depth location of antenna in well is antenna in winding shaft at the uniform velocity between adjacent measuring point spacing.
6. foundation pile 3 D detection method as claimed in claim 4, is characterized in that, described through hole runs through foundation pile bottom, is communicated with bearing stratum.
7. foundation pile 3 D detection method as claimed in claim 4, is characterized in that, before described step S1, also comprises the step of holing to form through hole along foundation pile axial direction.
8. foundation pile 3 D detection method as claimed in claim 4, is characterized in that, before described step S1, while being also included in foundation pile construction at pre-buried pvc pipe vertically to form the step of through hole.
9. foundation pile 3 D detection method as claimed in claim 4, is characterized in that, in described step S2 or S3, in described well, antenna is realized the detection of 360 degree omnidirectionals by rotational orientation sky line traffic control detection direction.
10. foundation pile 3 D detection method as claimed in claim 4, is characterized in that, in described step S2 or S3, in described well, antenna is realized the detection of 360 degree omnidirectionals by point time-division to detection mode.
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| CN201410145306.6A CN103898931B (en) | 2014-04-11 | 2014-04-11 | A kind of base stake three-dimensional detection device based on boring radar and base stake 3 D detection method |
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| CN201410145306.6A CN103898931B (en) | 2014-04-11 | 2014-04-11 | A kind of base stake three-dimensional detection device based on boring radar and base stake 3 D detection method |
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| CN104790439A (en) * | 2015-03-25 | 2015-07-22 | 福建省建筑工程质量检测中心有限公司 | Method for detecting and evaluating bearing capacity of socketed pile |
| CN105133675A (en) * | 2015-10-19 | 2015-12-09 | 上海岩联工程技术有限公司 | Wireless foundation pile detection device capable of realizing voice interaction and wireless foundation pile detection method |
| CN106442527A (en) * | 2016-08-31 | 2017-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Detection method and device of engineering foundation-pile sediment thickness |
| CN107167848A (en) * | 2017-04-17 | 2017-09-15 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of method of the accurate detection manually digging hole filling pile stake molten developmental state of bed rock |
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| CN113466228A (en) * | 2021-06-28 | 2021-10-01 | 水利部交通运输部国家能源局南京水利科学研究院 | Method for detecting quality of lower part of mud surface of in-service pipe pile |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005291818A (en) * | 2004-03-31 | 2005-10-20 | Railway Technical Res Inst | Penetration implement used for magnetic prospecting and magnetic prospecting method |
| CN101334368A (en) * | 2007-06-27 | 2008-12-31 | 宝山钢铁股份有限公司 | Steel tube centrifugal concrete pipe pile integrality endoscopic detection method |
| CN101691763A (en) * | 2009-09-15 | 2010-04-07 | 河海大学 | Method for directly testing quality of PCC pile |
| CN102296645A (en) * | 2011-06-02 | 2011-12-28 | 朱德兵 | Pile foundation quality detection method and device |
| CN102955174A (en) * | 2012-10-11 | 2013-03-06 | 中国水电顾问集团贵阳勘测设计研究院 | Method and device for detecting geological flaws at bottom of foundation pile holes through geological radar |
| CN103255756A (en) * | 2013-05-14 | 2013-08-21 | 中冶交通工程技术有限公司 | Method using geological radar for surveying pile foundation cave |
| CN203768955U (en) * | 2014-04-11 | 2014-08-13 | 广州建设工程质量安全检测中心有限公司 | Three-dimensional foundation pile detecting device based on drill radar |
-
2014
- 2014-04-11 CN CN201410145306.6A patent/CN103898931B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005291818A (en) * | 2004-03-31 | 2005-10-20 | Railway Technical Res Inst | Penetration implement used for magnetic prospecting and magnetic prospecting method |
| CN101334368A (en) * | 2007-06-27 | 2008-12-31 | 宝山钢铁股份有限公司 | Steel tube centrifugal concrete pipe pile integrality endoscopic detection method |
| CN101691763A (en) * | 2009-09-15 | 2010-04-07 | 河海大学 | Method for directly testing quality of PCC pile |
| CN102296645A (en) * | 2011-06-02 | 2011-12-28 | 朱德兵 | Pile foundation quality detection method and device |
| CN102955174A (en) * | 2012-10-11 | 2013-03-06 | 中国水电顾问集团贵阳勘测设计研究院 | Method and device for detecting geological flaws at bottom of foundation pile holes through geological radar |
| CN103255756A (en) * | 2013-05-14 | 2013-08-21 | 中冶交通工程技术有限公司 | Method using geological radar for surveying pile foundation cave |
| CN203768955U (en) * | 2014-04-11 | 2014-08-13 | 广州建设工程质量安全检测中心有限公司 | Three-dimensional foundation pile detecting device based on drill radar |
Non-Patent Citations (1)
| Title |
|---|
| 杨宇等: ""土体内混凝土桩基础钻孔雷达响应特征正演分析"", 《地下空间与工程学报》 * |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372809A (en) * | 2014-12-08 | 2015-02-25 | 国家电网公司 | Automatic detector for use in formation of power transmission line foundation pits |
| CN104372809B (en) * | 2014-12-08 | 2016-04-20 | 国家电网公司 | A kind of power transmission line foundation pit pore-forming automatic detection device |
| CN104698501A (en) * | 2015-02-15 | 2015-06-10 | 山东大学 | Single-hole directional detection radar antenna for tunnel advanced geological prediction |
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