CN101833112B - Base plate limestone karst stationing detection method - Google Patents
Base plate limestone karst stationing detection method Download PDFInfo
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- CN101833112B CN101833112B CN201010122725XA CN201010122725A CN101833112B CN 101833112 B CN101833112 B CN 101833112B CN 201010122725X A CN201010122725X A CN 201010122725XA CN 201010122725 A CN201010122725 A CN 201010122725A CN 101833112 B CN101833112 B CN 101833112B
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Abstract
The invention discloses a base plate limestone karst stationing detection method, comprising a signal source, a detecting instrument and a signal processing unit. The signal source is driven by objects capable of swinging in water, such as living beings, other mechanical devices and the like to randomly walk to each place of the base plate limestone karst; the detecting instrument is arranged in a mine underground roadway and is used for detecting signals transmitted by the signal source and inputting the signals to the signal processing unit; the signal processing unit processes the received signals and obtains the position of the signal source, and can count to obtain developing areas and a distribution rule of the base plate limestone karst by combining with field hydrogeology data and field experience according to the positions of a plurality of signal sources. The invention has simple structure, low cost and lower requirement on construction technical staff, can be popularized at site and is less influenced by geological conditions.
Description
Technical field
The present invention relates to a kind of karst prospecting technique, relate in particular to a kind of base plate limestone karst stationing detection method.
Background technology
The exploration means of karst, karst collapse are the problems that people make great efforts to explore always.Find out locus, the scale of the solution cavity that underlies, most important for receiving the dangerous mine of base plate limestone karst piestic water, only understand the rich water rule of base plate limestone, could prevent effectively harnessing the river.
In the prior art, it is main Detection Techniques that karst exploration means mainly adopt with the geophysical survey.Comprise several different methods such as geological radar, microgravity survey, seismic prospecting, D.C. method, electromagnetic prospecting, infrared spy water technology, advanced levels probing.
The all certain defective of method that above-mentioned detection karst distributes, and cost is higher, and construction technical staff is had relatively high expectations, and is difficult to promote at the scene; It is bigger influenced by geologic condition, and the stronger zone of EM coupling influence is difficult to measure.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, cost is low, it is lower that construction technical staff is required, and can promote at the scene, receives geologic condition to influence less base plate limestone karst stationing detection method.
The objective of the invention is to realize through following technical scheme:
Base plate limestone karst stationing detection method of the present invention comprises signal source, detection instrument, signal processing unit, and said signal source drives through the object that can in water, move about, and random walk to base plate limestone karst everywhere;
Said detection instrument is arranged in the mine underworkings, is used to detect the signal that said signal source is sent, and this signal is inputed to said signal processing unit;
Said signal processing unit is handled to the received signal, draws the position of said signal source.
Technical scheme by the invention described above provides can be found out; Base plate limestone karst stationing detection method of the present invention; Owing to comprise signal source, detection instrument, signal processing unit, signal source drives through the object that can in water, move about, and random walk to base plate limestone karst everywhere; Detection instrument is arranged in the mine underworkings, is used to detect the signal that said signal source is sent, and this signal is inputed to signal processing unit; Signal processing unit is handled to the received signal, draws the position of said signal source.Simple in structure, cost is low, it is lower that construction technical staff is required, and can promote at the scene, it is less influenced by geologic condition.
Description of drawings
Fig. 1 is the structural representation of hypocenter of the explosion point in the specific embodiment of the present invention;
Fig. 2 is the biological floor map of layouting and surveying in the specific embodiment of the present invention;
Fig. 3 is the biological diagrammatic cross-section of layouting and surveying in the specific embodiment of the present invention.
Embodiment
Base plate limestone karst stationing detection method of the present invention, its preferable embodiment is:
Comprise signal source, detection instrument, signal processing unit, said signal source drives through the object that can in water, move about, and random walk to base plate limestone karst everywhere;
Said detection instrument is arranged in the mine underworkings, is used to detect the signal that said signal source is sent, and this signal is inputed to said signal processing unit;
Said signal processing unit is handled to the received signal, draws the position of said signal source.
The said object that can in water, move about can be for can bearing the aquatic animal more than or equal to 1Mpa hydraulic pressure, like in the following aquatic animal one or more:
Black porgy, sturgeon, eel, swamp eel.
The said object that can in water, move about also can be mechanical hook-up.
Said signal source can comprise following one or more:
Can produce the shock wave signal signal source, can produce ultrasonic signal signal source, can produce the signal source of infrasonic wave signal, the signal source of the signal that can generate electromagnetic waves; Said detector can detect corresponding signal.
The said signal source that can produce the shock wave signal can be the hypocenter of the explosion point, and said detector can adopt mining microseism detection instrument.
Said hypocenter of the explosion point comprises explosive portion and floating portion, and said explosive portion is provided with electronic initiators, can regularly detonate, and produce the shock wave that can in the rock stratum, propagate;
Said floating the whole unit weight that can regulate said focal point makes it identical with karst water unit weight, can be suspended in the karst water.
Can be furnished with a plurality of said detection instruments in the said mine underworkings, said signal processing unit is handled the signal of a plurality of said detection instruments of receiving, draws the position of said signal source.
Said signal source can have a plurality of, and said signal processing unit is according to the position of a plurality of signal sources, and combines on-the-spot hydrogeologic data and on-site experience, and statistics drawing the zone and the regularity of distribution that base plate limestone karst is grown.
Base plate limestone karst stationing detection method of the present invention, different fully with existing base plate limestone karst Detection Techniques, be a kind of brand-new technology thinking.
Can send some measuring points of detectable physical signalling; Through boring this measuring point is placed in the base plate limestone karst; In karst, lay measuring point through biology or other mechanical hook-up, in base plate limestone karst water, this signal measuring point is driven by aquatic animal (for example fish); Along the karst passage, random walk to base plate limestone karst everywhere;
In the mine underworkings, adopt corresponding geophysical prospecting equipment, detect the signal that these measuring points send, detect where the karst solution cavity is arranged;
Specific embodiment:
Measuring point adopts the hypocenter of the explosion measuring point, and testing tool adopts mining microseism detection instrument.Specifically comprise:
Focal point: form by explosive portion and floating two parts.The effect of explosive portion is: regularly detonate, onepull is created in propagation distance shock wave far away in the rock stratum; Floating effect is: charge into the whole unit weight of gas regulation seismic source apparatus, make it identical with karst water unit weight, can be suspended in the karst water.
Deep water is biological: require it to have certain water pressure resistance property, can bear underground karst high pressure; Build is elongated, is good at moving about, and can swim across less solution cavity.Through the free random walk of deep water biology in base plate limestone karst water, with the zones of different of focal point in the limestone.
Through the free random walk of deep water overpressure resistant biology in base plate limestone karst water, take focal point in the base plate limestone zones of different; Focal point and deep water overpressure resistant biology link together, and make the deep water biology at the base plate limestone karst space free certain hour that moves about, and take focal point in the base plate limestone zones of different; Use mining high sensitivity seismograph,, record the blast vibration signal of focal point in the base plate limestone simultaneously, obtain the locus of down-hole vibration source point through the high sensitivity seismograph data processing by the detecting device that is arranged in diverse location in the underworkings.According to a plurality of focal points position that difference records constantly, in conjunction with on-the-spot hydrogeologic data and on-site experience, statistics draws the zone and the regularity of distribution that base plate limestone karst is grown.
In the above-mentioned specific embodiment:
Deep water overpressure resistant is biological:
Must have withstand voltage, build is elongated, be good at the characteristics of moving about, and can press in the karst water time-to-live longer on underground highland, with the zones of different of vibrations point distribution base plate limestone karst.
Freshwater fish is owing to mainly live in 0～100m, and its resistance to compression value is for being generally less than 1Mpa.And marine fishes, because ocean depth is big, its compressive strength differs greatly, and is as shown in table 1:
Table 1 fish and withstand voltage scope
<tables num="0001"> <table > <tgroup cols="5"> <colspec colname = "c001" colwidth = "12 % " /> <colspec colname="c002" colwidth="11%" /> <colspec colname="c003" colwidth="14%" /> <colspec colname =" c004 "colwidth =" 11% " /> <colspec colname="c005" colwidth="52%" /> <tbody > <row > <entry morerows="1"> sea fish </entry> <entry morerows="1"> middle belt </entry> <entry morerows = "1"> 200-1000 </entry> <entry morerows="1"> 2 ~ 10 </entry> <entry morerows="1">? ? line eel Branch: Line eel, eel wire mouth, eel; orange roughy Branch: quasi orange roughy, southern quasi orange roughy; ferret Blenniidae Branch: Ashley's soft ferret Blenniidae; together lamprey Section: Short-finned co gills eel, eels; octopus </entry> </row> <row > <entry morerows="1"> </entry> <entry morerows = "1 "> deep belt </entry> <entry morerows="1"> 1000-4000 </entry> <entry morerows="1"> 10 ~ 40 </entry> <entry morerows="1"> rockfish Branch: sail fin rockfish; imitation Whale Branch: crack whale mouth fish, deepwater imitation whale; Dorsal spines fish families: hair back stickleback , spiny dorsal stickleback; blackheads fish families: black fish, black fish mouth fish flathead; octopus </entry> </row> <row > <entry morerows = " 1 "> </entry> <entry morerows="1"> abyss with </entry> <entry morerows="1"> 4000-6000 </entry> <entry morerows="1"> 40 ~ 60 </entry> <entry morerows="1"> sunfish, candle fish </entry> </ row > </tbody> </tgroup> </table> </tables>
Resistance to compression value through the table Mesichthyes compares; Black porgy, sturgeon, eel, swamp eel, octopus etc. can be born the hydraulic pressure greater than 1Mpa, and wherein the pressure-bearing value of swamp eel and eel is big by (2 ~ 10Mpa), and be good at moving about; Not high to environmental requirement; Can drive detection instrument at limestone karst underwater exercise, and draw materials extensively, cost is lower.
Focal point:
Function as shown in Figure 1, as to possess sealing air, bear high hydraulic pressure and parcel explosive produces than the strong motion ripple.Comprise connection cord 1, explosive portion 2 and floating 3.Explosive portion 2 has regularly detonates, and onepull produces stronger shock wave.Floating 3 effect is: charge into the whole unit weight of gas regulation seismic source apparatus, make it identical with karst water unit weight, can be suspended in the karst water.Connection cord 1 is biological 4 with deep water, explosive portion 2 and floating 3 link together.
Floating 3: in be full of air, mainly regulate the effect of the whole unit weight of seismic source apparatus.
Explosive portion 2: mainly adopt common mining explosive 5 and electronics det 6.Mining explosive 5 has the advantages that melting is good, explosion velocity is high, power is big, sensitivity is low, can satisfy the shock blasting requirement.Electronic initiators 6 has the function of regularly detonating, and sets and ignites constantly, detonates on time.
The vibration signal receiving processor:
The vibration signal receiving processor records the blast vibration signal of focal point in the base plate limestone through mining high sensitivity seismograph and the wave detector that is arranged in diverse location in the underworkings, obtains the locus of down-hole vibration source point through the high sensitivity seismograph data processing.Integration engineering detection instrument (seismograph) for example.
The detection process of above-mentioned specific embodiment is following:
1, preliminary work:
(1) limestone karst water sample is measured: can carry out water quality detection through the surface drilling of connection limestone karst or excavating grey karst cave dew point taking-up karst water water sample, carry out the deep water biologic test, measure the maximum life span T of deep water biology at karst water;
(2) material is prepared: associated materials such as the suitable deep water overpressure resistant biology of preparation some, shock wave receiving processor, timer, connection cord;
(3) detection instrument velocity of wave calibration: the tunnel can be provided with several demolition points near the karst, calibration integration engineering detection instrument earthquake wave-wave velocity of propagation V rock in the rock stratum, tunnel.
(4) seismic source apparatus is assembled: according to the field monitoring requirement,, timer and a small amount of mining explosive are installed at each focal point in explosive portion, setting explosive initiation moment Ti (Ti＜T); In floating portion, charge into the whole unit weight of artificial atmosphere seismic source apparatus, make it identical with karst water unit weight, can be suspended in the karst water.
2, field monitoring:
(1) deep water biology and focal point are connected to form deep water biological detection sensor; Excavating grey karst cave dew point or beating surface drilling to grey karst cave; Deep water biological detection sensor is put into the karst waters; In grey karst cave, fully move about by the deep water biology through certain hour, take focal point in the base plate limestone zones of different;
(2), be arranged in the workplace and arrange the detection instrument detecting device according to certain way like Fig. 2, shown in Figure 3;
(3) at the punctual fired charge of Ti moment time fire device, produce the blast shock wave, through receiving vibration signal at Ti+ Δ tij moment j shock wave detecting device.
3, data processing:
(1) calculates demolition point and origin detector point relative position according to computing formula, use the vibration detector of many group different azimuth, strengthen accuracy and definite demolition point locus of detection data.According to a plurality of focal points position that difference records constantly, statistics draws the zone and the regularity of distribution that base plate limestone karst is grown.
(2) combine on-the-spot dew point distribution range and hydrogeological condition, confirm base plate limestone karst growth zone.
Above-mentioned specific embodiment has following beneficial effect:
1, needed deep water biology of observation and instrument all can be through market purchases or customized, and material is extensive, and cost is very low;
2, in the observation process, be particularly suitable for open-air and coal mine roadway operation;
3, measuring point is arranged in karst inside, produces the shock wave signal through once exploding, and penetrates the rock stratum distance greatly, and measurement result is comparatively accurate.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (3)
1. a base plate limestone karst stationing detection method is characterized in that, comprises a plurality of signal sources, a plurality of detection instrument, signal processing unit, and said signal source drives through the object that can in water, move about, and random walk to base plate limestone karst everywhere;
Said detection instrument is arranged in the mine underworkings, is used to detect the signal that said signal source is sent, and this signal is inputed to said signal processing unit;
Said signal processing unit is handled to the received signal, draws the position of said signal source;
Said signal processing unit is according to the position of a plurality of signal sources, and combines on-the-spot hydrogeologic data and on-site experience, and statistics drawing the zone and the regularity of distribution that base plate limestone karst is grown;
The said object that can in water, move about is that mechanical hook-up maybe can bear the aquatic animal more than or equal to 1Mpa hydraulic pressure;
Said aquatic animal comprise following one or more:
Black porgy, sturgeon, eel, swamp eel;
Said signal source comprise following one or more:
Can produce the shock wave signal signal source, can produce ultrasonic signal signal source, can produce the signal source of infrasonic wave signal, the signal source of the signal that can generate electromagnetic waves;
Said detection instrument can detect corresponding signal.
2. base plate limestone karst stationing detection method according to claim 1 is characterized in that, the said signal source that can produce the shock wave signal is the hypocenter of the explosion point, and said detection instrument adopts mining microseism detection instrument.
3. base plate limestone karst stationing detection method according to claim 2 is characterized in that, said hypocenter of the explosion point comprises explosive portion and floating portion, and said explosive portion is provided with electronic initiators, can regularly detonate, and produce the shock wave that can in the rock stratum, propagate;
Said floating the whole unit weight that can regulate said focal point makes it identical with karst water unit weight, can be suspended in the karst water.
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| CN101660427A (en) * | 2009-05-18 | 2010-03-03 | 中国矿业大学(北京) | Three-chart two-prediction method for quantitative evaluation and prediction of coal-bed top-plate water burst (inrush) conditions |
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| JPH10153666A (en) * | 1996-11-25 | 1998-06-09 | Kumagai Gumi Co Ltd | Prediction method for geology of crust in face front in tunnel |
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| CN101660427A (en) * | 2009-05-18 | 2010-03-03 | 中国矿业大学(北京) | Three-chart two-prediction method for quantitative evaluation and prediction of coal-bed top-plate water burst (inrush) conditions |
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| JP特开平10-153666A 1998.06.09 |
| 黄理兴等.采用综合物探技术勘测岩溶分布的试验研究.《岩土力学》.1990,第11卷(第3期),55-61. * |
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