CN103472487A - Transient-electromagnetic multi-component advanced detecting method and device - Google Patents
Transient-electromagnetic multi-component advanced detecting method and device Download PDFInfo
- Publication number
- CN103472487A CN103472487A CN2013104285941A CN201310428594A CN103472487A CN 103472487 A CN103472487 A CN 103472487A CN 2013104285941 A CN2013104285941 A CN 2013104285941A CN 201310428594 A CN201310428594 A CN 201310428594A CN 103472487 A CN103472487 A CN 103472487A
- Authority
- CN
- China
- Prior art keywords
- wire frame
- transient electromagnetic
- transient
- wire
- detection
- 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
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to a transient-electromagnetic multi-component advanced detecting method and device for a roadway head. The transient-electromagnetic multi-component advanced detecting device comprises three detecting wire frames, wherein the detecting wire frames are cross distributed at certain angles, and the detecting wire frames distributed in different angles are used for collecting the transient-electromagnetic data in three directions. The transient-electromagnetic multi-component advanced detecting device uses a multi-channel transient-electromagnetic instrument to distributed emitting wire frames and receiving wire frames into three components according to a central loop wire device to achieve three-component data collection of advanced detection of the roadway head. A plurality of groups of test electrical parameter sections can be obtained at one time of detection, so that explanation and analysis of multi-directional rock coal seam geological conditions of detecting space are facilitated, the spatial location capacity of the transient-electromagnetic detection for detecting low-resistance abnormal areas is improved, and more effective technical parameters are provided for roadway construction safety.
Description
Technical field
The present invention relates to roadway head transient electromagnetic method forward probe method and apparatus system.
Background technology
Transient electromagnetic method has been widely used in the work of roadway head forward probe as a kind of water method of conveniently visiting.The single components in central vertical magnetic field that adopt carry out data acquisition more at present, gather the horizontal component data according to field condition along line direction in construction, and need to adjust wire frame normal and survey line angle according to test, complete the detection of top board, concordant and base plate different directions, more mobile measuring point completes the test of whole driving face.There is the problem of two aspects in application, the one, single-spot testing wire frame angle is repeatedly adjusted, and work progress is comparatively loaded down with trivial details; The 2nd, in the complex geological structure exploration, the routine data acquisition technique is unfavorable for collecting multidirectional geologic body induction field information.Therefore, one point data Information Monitoring amount is few, surveying accuracy is low, and the geologic interpretation level is difficult to improve.
The present invention is by the improvement to transient electromagnetic method of testing, instrument channel structure, wire frame apparatus system and data processing technique, obtain a set of many components of roadway head transient electromagnetic forward probe method and apparatus system, can be the tunnelling forward probe technical parameter more comprehensively is provided.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of many components of transient electromagnetic forward probe method and apparatus, and the moisture geologic anomaly body in roadway head the place ahead is accurately surveyed.
For solving the problems of the technologies described above, the invention provides a kind of many components of transient electromagnetic forward probe device, comprise that three are surveyed wire frame, each surveys wire frame arranged crosswise at an angle, and the detection wire frame that different angles are arranged is for gathering the transient electromagnetic data of three directions.
Preferably, survey wire frame for three and have identical transverse axis, arranged crosswise, survey the transient electromagnetic data that wire frame is surveyed respectively driving face the place ahead top board, concordant and three directions of base plate for three at an angle.
Preferably, three detection wire frames are mutually orthogonal in twos, gather respectively the transition induction field data of three directions.
Preferably, the detection wire frame comprises launches wire frame and reception wire frame, and when described emission wire frame and reception wire frame are pressed center loop line mode apart arrangement, between emission wire frame and reception wire frame, spacing is 0.8-1.2m.
Further preferred, the cable of described emission wire frame is 8-12 circle, length of side 1.8-2.2m, cable 18-22 circle, length of side 1.6-2.0m that the reception wire frame is.
Described three detection wire frames are embedded in respectively in soft panel, and soft panel can fold, and is easy to carry and operates.
The present invention provides a kind of detection method based on above-mentioned many components of transient electromagnetic forward probe device simultaneously, comprises the following steps:
Three are surveyed after wire frame is adjusted to required angle and fix, be positioned over the first measurement point,
Survey in wire frames for three, an emission wire frame emission electromagnetic pulse of surveying wire frame, it receives wire frame and receives transient electromagnetic data, or starts three and receive wire frames and receive the transient electromagnetic data simultaneously; Perhaps
Survey wire frame for three and launch in turn, receive the transient electromagnetic data.
Move the measuring point distance by the 0.2-0.5m spacing after completing a measurement point data acquisition, carry out next some data collection, until complete the data acquisition to whole test section.
Advantage of the present invention:
1, transmitting and receiving wire frame realizes multicomponently exciting and receiving, emission simultaneously also can observe three components of direction initialization, while reducing the measuring point layout, the wire frame angular setting produces error, improves the amount to obtain of information, is conducive to collect multi-direction geologic body induction information simultaneously.
2, improve main frame when emission bipolarity rect.p., can whole process record secondary vortices flow field in supply current and receiving coil, using the concordant component signal of wherein acquisition as main signal, be convenient to the analysis of late time data processing and objective body.Carry out three-component and calculate and explain, avoid simple component to explain the limitation existed, be conducive to the resolution to different geology anomalous bodys.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is further described in detail.
Fig. 1 is that the folding portable three-component transmits and receives the wire frame structure schematic diagram.
Fig. 2 transmits and receives the wire frame structure schematic diagram for folding vertical three-component.
Embodiment
As shown in Figure 1, transmit and receive cable and be embedded in special soft panel, face plate center forms the hinge rotating shaft with horizontal direction, makes panel to fold, and is easy to carry and operates.Wherein transmit and receive wire frame and arrange Shi An center loop line mode, between emission wire frame and reception wire frame, spacing is 0.8-1.2m.The cable of emission wire frame is 8-12 circle, length of side 1.8-2.2m, cable 18-22 circle, length of side 1.6-2.0m that the reception wire frame is.Design altogether 3 and folding can form 3 panels, usually panel can be launched, adjust and fix its angle, be convenient to gather successively the transient electromagnetic data of driving face the place ahead top board, concordant and three directions of base plate, realize a bit many components tests.Not needing repeatedly to adjust angle according to roadway head section condition at the scene can test by measuring point, and it is more convenient to operate.
Each wire frame panel includes one group of emission and one group of reception wire frame, the emission wire frame can be connected to same emission joint as required, receives wire frame and is connected respectively to three independently receiving ends.The transient electromagnetic field simple component that can complete like this each single measurement point transmits and receives, and many components transmit and receive, it is any one group of emission wire frame emission in emission and receiving system in three-component, receive wire frame and all can realize independent data acquisition, or other many groups receive wire frames and receive simultaneously, reach and collect multi-direction geologic body induction field information purpose.Emission coefficient emission bipolarity rect.p. wherein, transmission frequency comprises 2.5,6.25,12.5,25, the 62.5Hz equifrequent; Register system whole process records the positive negative peak size of supply current and off-position current value, and receives secondary vortices flow field value in wire frame.
Panel can be carried out to the appropriateness rotation, form orthogonal three components and carry out data acquisition, as shown in Figure 2.
Detection method based on above-mentioned many components of transient electromagnetic forward probe device comprises the following steps: lay wire frame after site environment arranges at the driving face place, connect the multicomponent acquisition wire frame.Carry out the setting of acquisition technique requirement parameter, after test macro is detected, by arranging measurement point and spacing, carry out the one point data collection.Arrange according to wire frame that state can realize that one one receipts, one three are received during data acquisition and one one type such as receipts successively, applicable different test requests.Receive for so-called one one, survey in wire frame for three, an emission wire frame emission electromagnetic pulse of surveying wire frame, it receives wire frame and receives the transient electromagnetic data.One three of what is called is received, and surveys in wire frames for three, and an emission wire frame emission electromagnetic pulse of surveying wire frame, start three reception wire frames and receive the transient electromagnetic data simultaneously.What is called one one receipts successively, is surveyed wire frames for three and is launched in turn, receives the transient electromagnetic data.
Move the measuring point distance by the 0.2-0.5m spacing after completing a measurement point data acquisition, carry out next some data collection, until complete the data acquisition to whole test section.
Many components of transient electromagnetic forward probe data processing and interpretation method is as follows.In conjunction with center loop line apparent resistivity in late period empirical formula, test finishes, and at first carries out data preparation, selects the section induction electromotive force data of equidirectional difference according to test request, and the data quality is evaluated and tested.Carry out single measuring point computation of apparent resistivity, and carry out depth correction in conjunction with tunnelling coal rock layer geologic condition, obtain corresponding depth measurement resistivity profile.Late period, computing formula was as follows:
In formula: ρ
sx, ρ
szrepresent respectively the apparent resistivity that horizontal direction and vertical direction are calculated; μ
0for permeability of vacuum; T is observation time; N is the transmitting coil number of turn; I is transmitter current; Half that L is the emission rectangular loop length of side; H
xand H (t)
z(t) be respectively the horizontal and vertical component of transient magnetic field response.
Form the generalized section in rock coal seam, the place ahead, tunnel and expressed according to the multiple spot computation of apparent resistivity result of test section, usually determine the low value exceptions area according to average resistivity value size in section, can be low resistance abnormity area lower than the average resistivity value more than 3 times, in conjunction with the detection of a target, the low resistance abnormal area is judged, explained out-of-the way position, and estimated coal rock layer degree of water-rich and off-note according to exceptional value difference size sxemiquantitative ground.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. many components of transient electromagnetic forward probe device, is characterized in that, comprises that three are surveyed wire frame, and each surveys wire frame arranged crosswise at an angle, and the detection wire frame that different angles are arranged is for gathering the transient electromagnetic data of three directions.
2. many components of transient electromagnetic forward probe device according to claim 1, it is characterized in that, described three detection wire frames have identical transverse axis, arranged crosswise, survey the transient electromagnetic data that wire frame is surveyed respectively driving face the place ahead top board, concordant and three directions of base plate for three at an angle.
3. many components of transient electromagnetic forward probe device according to claim 1, is characterized in that, described three detection wire frames are mutually orthogonal in twos, gathers respectively the transition induction field data of three directions.
4. according to the described many components of transient electromagnetic of claim 2 or 3 forward probe device, it is characterized in that, described detection wire frame comprises the emission wire frame and receives wire frame, when described emission wire frame and reception wire frame are pressed center loop line mode apart arrangement, between emission wire frame and reception wire frame, spacing is 0.8-1.2m.
5. many components of transient electromagnetic forward probe device according to claim 4, is characterized in that, the cable of described emission wire frame is 8-12 circle, length of side 1.8-2.2m, cable 18-22 circle, length of side 1.6-2.0m that the reception wire frame is.
6. many components of transient electromagnetic forward probe device according to claim 5, is characterized in that, described three detection wire frames are embedded in respectively in soft panel.
7. the detection method based on above-mentioned many components of transient electromagnetic forward probe device, is characterized in that, comprises the following steps:
Three are surveyed after wire frame is adjusted to required angle and fix, be positioned over the first measurement point,
Survey in wire frames for three, an emission wire frame emission electromagnetic pulse of surveying wire frame, it receives wire frame and receives transient electromagnetic data, or starts three and receive wire frames and receive the transient electromagnetic data simultaneously; Perhaps
Survey wire frame for three and launch in turn, receive the transient electromagnetic data.
8. the detection method of many components of transient electromagnetic forward probe device according to claim 7, it is characterized in that, comprise the following steps: after completing a measurement point data acquisition, by the 0.2-0.5m spacing, move the measuring point distance, carry out next some data collection, until complete the data acquisition to whole test section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104285941A CN103472487A (en) | 2013-09-18 | 2013-09-18 | Transient-electromagnetic multi-component advanced detecting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104285941A CN103472487A (en) | 2013-09-18 | 2013-09-18 | Transient-electromagnetic multi-component advanced detecting method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103472487A true CN103472487A (en) | 2013-12-25 |
Family
ID=49797404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104285941A Pending CN103472487A (en) | 2013-09-18 | 2013-09-18 | Transient-electromagnetic multi-component advanced detecting method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103472487A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765072A (en) * | 2015-03-25 | 2015-07-08 | 吉林大学 | Method for conducting magnetic resonance advanced detection through rotation of loop antenna |
| CN105044789A (en) * | 2015-06-17 | 2015-11-11 | 中国科学院地质与地球物理研究所 | Roadway effect elimination method and apparatus for mine transient electromagnetic advanced detection |
| CN105824047A (en) * | 2015-01-07 | 2016-08-03 | 淮南矿业(集团)有限责任公司 | Transient electromagnetic advanced detection monitoring device and method |
| CN105842740A (en) * | 2016-04-06 | 2016-08-10 | 广西有色金属集团资源勘查有限公司 | Fixed point rotary irradiation large power transient electromagnetic method |
| CN106199734A (en) * | 2016-07-01 | 2016-12-07 | 中国科学院地质与地球物理研究所 | It is applicable to double electromagnetics transmitter systems of M TEM probe technique |
| CN106772644A (en) * | 2016-12-14 | 2017-05-31 | 中国矿业大学 | mine transient electromagnetic three-component detection method |
| CN107290790A (en) * | 2017-08-03 | 2017-10-24 | 中国水利水电科学研究院 | A kind of three-component transient electromagnetic method reception device |
| CN107843931A (en) * | 2017-11-06 | 2018-03-27 | 东北大学 | A kind of modularization, portable TEM data harvester |
| CN108227012A (en) * | 2017-12-27 | 2018-06-29 | 湖南五维地质科技有限公司 | Obtain the device and method of the ground end data of set depth in target area |
| CN110376653A (en) * | 2019-07-31 | 2019-10-25 | 山东大学 | Suitable for tunnel and the collapsible transient electromagnetic detection device and method on road surface |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548702U (en) * | 2009-12-09 | 2010-08-11 | 福州华虹智能科技开发有限公司 | Transmitting coil and receiving coil of mining transient electromagnetic instrument |
| CN203465431U (en) * | 2013-09-18 | 2014-03-05 | 安徽理工大学 | Transient electromagnetic multi-component advanced detection apparatus |
-
2013
- 2013-09-18 CN CN2013104285941A patent/CN103472487A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548702U (en) * | 2009-12-09 | 2010-08-11 | 福州华虹智能科技开发有限公司 | Transmitting coil and receiving coil of mining transient electromagnetic instrument |
| CN203465431U (en) * | 2013-09-18 | 2014-03-05 | 安徽理工大学 | Transient electromagnetic multi-component advanced detection apparatus |
Non-Patent Citations (4)
| Title |
|---|
| 刘向红，等: "国产矿井瞬变电磁仪的性能试验研究与进口Terratem仪器对比", 《中国地质》, vol. 40, no. 3, 30 June 2013 (2013-06-30), pages 989 - 992 * |
| 张平松，等: "坑道掘进瞬变电磁超前探水技术应用分析", 《岩土力学》, vol. 33, no. 9, 30 September 2012 (2012-09-30), pages 2750 - 2751 * |
| 张震夏: "堤坝隐患检测的方法与仪器", 《大坝与安全》, 25 February 2004 (2004-02-25), pages 4 - 5 * |
| 王战军，等: "瞬变电磁法对低阻薄层的分辨能力研究", 《物探化探计算技术》, vol. 34, no. 6, 30 November 2012 (2012-11-30), pages 646 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824047A (en) * | 2015-01-07 | 2016-08-03 | 淮南矿业(集团)有限责任公司 | Transient electromagnetic advanced detection monitoring device and method |
| CN104765072A (en) * | 2015-03-25 | 2015-07-08 | 吉林大学 | Method for conducting magnetic resonance advanced detection through rotation of loop antenna |
| CN105044789A (en) * | 2015-06-17 | 2015-11-11 | 中国科学院地质与地球物理研究所 | Roadway effect elimination method and apparatus for mine transient electromagnetic advanced detection |
| CN105842740A (en) * | 2016-04-06 | 2016-08-10 | 广西有色金属集团资源勘查有限公司 | Fixed point rotary irradiation large power transient electromagnetic method |
| CN106199734B (en) * | 2016-07-01 | 2017-12-05 | 中国科学院地质与地球物理研究所 | Suitable for double electromagnetics transmitter systems of M TEM probe methods |
| CN106199734A (en) * | 2016-07-01 | 2016-12-07 | 中国科学院地质与地球物理研究所 | It is applicable to double electromagnetics transmitter systems of M TEM probe technique |
| WO2018107959A1 (en) * | 2016-12-14 | 2018-06-21 | 中国矿业大学 | Transient electromagnetic three-component exploration method utilized in mine shaft |
| CN106772644A (en) * | 2016-12-14 | 2017-05-31 | 中国矿业大学 | mine transient electromagnetic three-component detection method |
| US10613245B2 (en) | 2016-12-14 | 2020-04-07 | China University Of Mining And Technology | Mine TEM three-component detection method |
| CN107290790A (en) * | 2017-08-03 | 2017-10-24 | 中国水利水电科学研究院 | A kind of three-component transient electromagnetic method reception device |
| CN107290790B (en) * | 2017-08-03 | 2023-12-29 | 中国水利水电科学研究院 | Three-component transient electromagnetic method receiving device |
| CN107843931A (en) * | 2017-11-06 | 2018-03-27 | 东北大学 | A kind of modularization, portable TEM data harvester |
| CN108227012A (en) * | 2017-12-27 | 2018-06-29 | 湖南五维地质科技有限公司 | Obtain the device and method of the ground end data of set depth in target area |
| CN110376653A (en) * | 2019-07-31 | 2019-10-25 | 山东大学 | Suitable for tunnel and the collapsible transient electromagnetic detection device and method on road surface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472487A (en) | Transient-electromagnetic multi-component advanced detecting method and device | |
| CN106772644B (en) | mine transient electromagnetic three-component detection method | |
| CN104656153A (en) | While-drilling borehole electromagnetic wave tomography advanced detection device and method | |
| CN105022097B (en) | A kind of soil-slope sliding surface Comprehensive prediction method | |
| CN111708088B (en) | Transient electromagnetic real-time dynamic advanced detection method and system based on magnetic gradient tensor | |
| CN104090306B (en) | Radial direction abnormal water-bearing body detection method in coal mine down-hole drilling | |
| CN108240213A (en) | The geosteering device and geosteering method of a kind of more investigation depths | |
| CN107642114B (en) | Pile foundation hidden danger exploration method and device before pile foundation pouring | |
| CN107085240B (en) | Slope magnetofluid detection system and method | |
| CN104297807A (en) | Magnetic resonance imaging device for underground disaster water source detection and detection and imaging method | |
| CN105298486A (en) | Downhole controllable nuclear magnetic resonance well logging during drilling device | |
| CN109696710A (en) | Mine transient electromagnetic automatic observation method based on more information feedback | |
| CN103630946A (en) | Single-hole electromagnetic wave tomography advanced detection device and method | |
| CN106772554A (en) | A kind of multi-channel transient surface wave exploration method under MODEL OVER COMPLEX TOPOGRAPHY | |
| CN103207412A (en) | Method for detecting solution leaching and groundwater pollution scope of acid in-situ leaching of uranium | |
| CN106907145A (en) | A kind of apparent resistivity measuring system and method with brill advanced prediction | |
| US20140307525A1 (en) | Drone seismic sensing method and apparatus | |
| CN203465431U (en) | Transient electromagnetic multi-component advanced detection apparatus | |
| CN106371137A (en) | Shallow abnormal body seismic detection device and the three-dimensional observation method thereof | |
| CN104391333B (en) | Multi-inter well geological information detecting and processing system and method | |
| CN104747164A (en) | Ground testing method for while-drilling orientation electromagnetic wave logging tool | |
| CN114895374B (en) | Karst region pile foundation comprehensive detection method based on drilling-vibration-magnetic integration | |
| CN205374761U (en) | Detection apparatus for urban road and underground piping hidden danger | |
| WO2015119781A9 (en) | Seismic streamer shape correction using derived compensated magnetic fields | |
| CN111856601A (en) | Distributed magnetic resonance underground water detection device and detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131225 |
|
| RJ01 | Rejection of invention patent application after publication |