CN101526009B - Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof - Google Patents
Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof Download PDFInfo
- Publication number
- CN101526009B CN101526009B CN200910021931A CN200910021931A CN101526009B CN 101526009 B CN101526009 B CN 101526009B CN 200910021931 A CN200910021931 A CN 200910021931A CN 200910021931 A CN200910021931 A CN 200910021931A CN 101526009 B CN101526009 B CN 101526009B
- Authority
- CN
- China
- Prior art keywords
- boring
- coal
- monitoring
- face
- tunnel
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a wall rock destabilization acousto-optic-electric integrated monitoring system and a monitoring method thereof, wherein the monitoring system comprises an optical drilling sighting apparatus fractionally monitoring the wall rock damage condition of the inner all of the same drilling hole, an acoustic emission device and a drilling hole stress meter, and a control receiver connected with the drilling hole stress meter, the acoustic emission device and the optical drilling sighting apparatus. The monitoring method comprises the following steps: firstly, drilling on the edge of a laneway; secondly, monitoring: monitoring the inner wall of the drilling hole by the optical drilling sighting apparatus, and then further monitoring the inner wall of the drilling hole by the acoustic emission device, secondarily monitoring the inner wall of the drilling hole by the optical drilling sighting apparatus, at last monitoring the wall rock stress of the inner wall of the drilling wall of the drilling hole stress meter; thirdly, collecting all monitoring results, and differentiating and analyzing the wall rock damage destabilization condition. The invention has reasonable design, simple use and operation, and accurate monitoring result, and can effectively solve the practical problems of poor accuracy, distorted data, failure monitoring under some special environment, and the like caused by the prior single monitoring method.
Description
Technical field
The present invention relates to ground and mining engineering technical field, especially relate to a kind of wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof.
Background technology
In ground and mining engineering; Joint, crack and tomography are isostructure to be influenced because coal rock layer receives; Make coal rock layer show discontinuous and anisotropic characteristics; In addition water with compose the gas exist in the coal rock layer simultaneously with the stress of primary rock and tectonic stress jointly to coal rock layer generation effect, make physical property and the mechanical property of the coal rock layer complicacy more that becomes again.In engineering practice,, almost be impossible realize as solving practical problem with simple mathematical analysis and rock mechanics theory.Because after coal rock layer receives above-mentioned random factors; Constantly change in time with on the space; In different places,, formed the relative variation in three notions in Space Time-ground generally because the selection of artificial method has formed the variation characteristics of coal rock layer under different condition especially; And the diversity of its variation and complexity have brought development for mine monitoring rock and soil engineering technology, make the monitoring rock and soil engineering technology become a kind of main means that solve the mine great number of issues.
Nowadays at present; More to mine country rock monitoring technology means, for example acoustic emission, optical fiber, resistance stressometer etc., but all concentrate on a certain technological means; Because coal rock layer is composed the diversity and the complexity of depositing; The maximization of bulk and disturbed by extraneous factor in the monitoring at the scene more, distortion phenomenon appears in a lot of monitoring results, and visible single monitoring means is carried out the rock body quality of mine monitoring and is difficult to engineering practice is realized enough effectively guidance in specific Space Time-ground scope.
In underground construction; Coal rock layer receives that joint, crack and tomography are isostructure to be influenced; Coal rock layer shows discontinuous and anisotropic characteristics, in addition water with compose the gas exist in the coal rock layer simultaneously with the stress of primary rock and tectonic stress jointly to coal rock layer generation effect, the influence of simultaneous exploitation disturbance; Make the physical property and the mechanical property of coal rock layer become complicated more again; The situation that the coal rock layer that adopts certain monitoring means to reflect more intuitively to receive the underground construction disturbance in different Space Time-ground scope changes, but under the external environment of complex geological conditions and variation influences makes single monitoring means occur in observation process that precision is not high, data distortion; Even cause monitors failure under some specific environment, can not well reflect the result of actual change.For example adopt single acoustic emission that the destructive process of rock mass is monitored, just lost eyes and hand, only go to listen the same with ear as us; We can make judgement accurately through sound for simple things; But complicated condition with disturbed down by external factor, this single means and function sometimes just fall flat, in like manner; Single optical instrument or resistance stressometer etc.; As our eyes and sense of touch, act on down the also also fict things change procedure that reflects separately.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art; A kind of wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof are provided; Its reasonable in design and use easy and simple to handle, monitoring result is accurate; Can effectively solve not high, the data distortion of precision that existing single monitoring means is occurred, under some specific environment even cause practical problem such as monitors failure.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of wall rock destabilization acousto-optic-electric integrated monitoring system; It is characterized in that: comprise in advance in the colliery digging laneway or coal-face help the optics boring that the country rock degree of impairment gradation of the same boring inwall that is drilled through monitors with the tunnel in tunnel and spy on appearance, acoustic emission device and borehole stressmeter, and the said colliery digging laneway or the coal-face that are laid in the boring outside are with the control receiver on the corresponding measuring point in the tunnel; Said boring is spied on appearance, acoustic emission device and borehole stressmeter and is all connect the control receiver that three institute monitoring result is gathered and shows; Said coal-face comprises coal-face machine lane and two tunnels of coal-face air way with the tunnel.
Said optics boring is spied on appearance, acoustic emission device and borehole stressmeter and all is connected through cable with the control receiver.
Said optics boring is spied on appearance for spying on appearance in the inner boring of carrying out 360 ° of boring.
A kind of wall rock destabilization acousto-optic-electric integrated monitor method is characterized in that this method may further comprise the steps:
201, spying on appearance through optics boring is that hole wall is monitored in detail to the inwall of monitored boring; And with monitoring result reach control receiver show synchronously and record; The monitoring result of spying on appearance through the boring of control optics that receiver showed; Preliminary judge whether the inwall of boring has the damage and the phenomenon of caving in, simultaneously to the crack that is produced on the said inwall coal and rock force-bearing situation analysis of being correlated with;
202, with the acoustic emission device inwall of boring is further monitored; And with monitoring result reach control receiver show synchronously and record; Through the monitoring result of the control acoustic emission device that receiver showed, tentatively judge the country rock early stage information that microscopic damage destroys under the stress effect;
203, spy on appearance through optics boring the inwall of holing is carried out the second time of monitoring in detail; And with monitoring result reach control receiver show synchronously and record; The control monitoring result that receiver write down combines to analyze comparison in this monitoring result of simultaneously appearance is spied in optics boring and the first step, judges the damage degree of the big or small and inner coal and rock of holing of the suffered internal force of inwall of holing;
204, through borehole stressmeter the surrouding rock stress of boring inwall is monitored; And monitoring result reached the control receiver show synchronously and record, combine simultaneously the first step to the three in the step boring of the control optics that receiver write down spy on the whole synthesis monitoring result that the monitoring result of twice monitoring result and the acoustic emission device of appearance is carried out analysis-by-synthesis and record boring;
Coal-face described in the step 1 comprises coal-face machine lane and the coal-face air way that is parallel to each other with the tunnel, and the tunnel of said coal-face machine lane and coal-face air way is helped and all is drilled with a plurality of borings and said boring all is laid on the coal and rock between coal-face machine lane and the coal-face air way.
Position and structure that a plurality of borings that drilled through are helped in the tunnel of said coal-face machine lane and coal-face air way are all symmetrical.
Said a plurality of boring is even laying, and the spacing between adjacent two borings is 5 ± 1m.
The degree of depth of holing described in the step 1 is in 15m.
A plurality of borings described in the step 1 are all perpendicular to the tunnel group of said coal-face with the tunnel.
The present invention compared with prior art has the following advantages: 1, can give full play to systematic advantage, the collection sound-light of the present invention-electric Trinity is in observation process; Interact, replenish each other, remedied single monitoring means and received the interference of external factor and be easy to generate distortion phenomenon, utilize systematized advantage; Result to monitoring; Through after the network analysis, can at length carry out prediction to engineering, more effectively instruct and produce.2, carry out level disposes with suiting measures to local conditions; On monitoring means is disposed; According to on-the-spot actual needs, promptly in specific Space Time-ground scope, form stratified monitoring; To constantly impurities removal on by the basis of territory, goaf country rock damage unstability identification, carry very, perfect, draw targeted and guiding conclusion.3, in observation process, brought into play the advantage of efficient, in the monitoring, need hole to the coal petrography wall, according to the different monitoring needs, the drilling depth of being bored is also different, and the needs that have reach 10 meters even more than it.According to former single monitoring means, owing to consider the problem of distortion.Often to bore a plurality of borings, replenish observation, not only increase the number of boring; And consumed great amount of time, particularly in competent bed, very expend time in the hole of drilling; The boring number can have influence on other operation in the site work more at most, has destroyed original construction organization, in the time of more in order to save time; Cause drilling quality relatively poor, thereby influenced monitoring effect.The present invention just can realize in a boring fully, has reduced the boring number, has reduced the too much influence to original construction organization.Guaranteed the monitoring effect in the high-quality boring.Simultaneously, in use of the present invention, do not increase the staff, under original 1-2 name technician's cooperation, still can accomplish monitoring preferably, odds for effectiveness and obvious because of the integrated of monitoring means.4, the advantage that has logicality and accuracy, the present invention is integrated into system advantage with the advantage of several single monitoring meanss, learns from other's strong points to offset one's weaknesses, and has gathered the foundation that supplies reasoning from logic, just can obtain engineering practice is had the guilding principle of justice through analytic demonstration.Underground construction is because the extremely complicacy that the influence of numerous uncertain factors becomes; Through monitoring means to the coal rock layer under a certain specified conditions observe, the collection data; Production practices could be effectively instructed in the demonstration analysis of science in addition; Thereby the present invention can be the analytic demonstration from the data acquisition to the data better, and a kind of monitoring method of rigorous and science is provided.5, application value is high; In gob side entry driving; To the destructiveness of coal column and the detection of affected by force, can calculate the rational width of the narrow coal column that stays through the present invention more accurately, to saving resource and very strong directive significance being arranged to roadway arrangement in the low stress area.6, monitoring result is accurate, and it is collection sound-light-electric Trinitarian system monitoring technology, the peculiar sign that the coal rock layer that support sound-electro-optical technique observes shows in variation; Give full play to the three and form the system advantage after overall, in good time, on the spot, the monitoring of science, carry out prediction accurately; For the design and production practices reliable theoretical foundation and guidance are provided; Be in particular in following main aspect: 1) can the information and the data of the various aspects that monitor be carried out filtering screening, Intelligent Recognition and signal and excavated, thereby can increase substantially the accuracy and the reliability of prediction; Improve the accuracy of decision-making; Through prediction accurately, can obtain more accurate surrounding rock failure scope, original support pattern is optimized design.For the supporting scheme of large section roadway, supporting parameter and pillar size design have proposed science foundation accurately, for large section roadway supporting control under the complicated seam mode of occurence new approach is provided simultaneously; 2) receiving the boring of sound source information, optics through acoustic emission spies on appearance the boring inwall is received manifesting of stress rupture situation and stress numerical that borehole stressmeter reflects; The increase of ickings amount when combining to play this boring simultaneously; Whether judgement should have outstanding possibility in the zone; Take measure targetedly, trouble-saving generation; 3) to what adopt bolt support technology water location or structural belt arranged; Destroy situation through coal petrography in boring water burst and the hole; Be the influence of prevention of water to anchoring effect; And consider that bigger variation has taken place for zone of fracture coal petrography physics, mechanical property, and there is pin property ground that reinforce support is carried out in this location, prevent tunnel roof fall or wall caving; 4) at coal-face, through sound-light-electric integrated monitor, improved the accuracy of the first or periodic weighting prediction in old top, strengthen the old top of face timbering quality prevention and press to work plane and bring harm; 5) work plane and the top coal in the hard difficult inbreak of top board emits the bad top-coal caving face of putting property; That adopts generally that the method for loosening blasting in advance or preliminary infusion solves top board or top coal emits putting property problem; Sometimes the scope and the effect of explosion or preparatory water filling are not fully aware of in advance; Through sound-light-electric integrated monitor, just can recognize after the preparatory explosion roof cracking situation or the moistening friable state of coal body after the water filling in advance, for later in advance the parameter of explosion or water filling in advance select to provide rational basis; 6) applied widely; The present invention also has a wide range of applications in constructing tunnel, and (granite, gneiss etc.) have monitoring effect preferably in hard rock, to the timely monitoring of country rock after the explosion; Can observe the degree of injury of explosion to rock mass; Thereby,, ensure that workmanship has significance to improving rock stability for the adjustment blasting parameter provides foundation; 7) the present invention is in part exploitation disturbance area, can in 10 meters of the degree of depth and above boring, detect geological condition, and in 360 degree arbitrary orientations, survey, and the tax of understanding coal rock layer is deposited situation and surveyed geological structure has very strong practicality.In sum, the present invention is collection sound-light-electric Trinitarian system monitoring technology, in same boring; Support sound-light-electric three observes the peculiar sign that coal rock layer shows in variation, interact, replenish each other, just target is comprehensively observed the same with ear, eyes and hand simultaneously as the people; Give full play to the system advantage after forming totally;, on basis, draw valuable observation foundation on the spot in good time, and the monitoring of science, carry out prediction accurately the identification of country rock damage unstability; For the theory foundation of instructing design and production practices provides reliable foundation; Given full play to the function of system, more science is accurate to make monitoring result, in production practices, has bigger practical value; In addition, the present invention has very strong advantage under special complex environment, has reduced the problem of dtmf distortion DTMF in the single means observation process to greatest extent, for engineering design and production practices provide accurate prediction.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the theory diagram of wall rock destabilization acousto-optic-electric integrated monitoring system of the present invention.
Fig. 2 is the FB(flow block) of wall rock destabilization acousto-optic-electric integrated monitor method of the present invention.
Fig. 3 is the bore position sketch map of first kind of specific embodiment of monitoring method of the present invention.
Fig. 4 is the bore position sketch map of second kind of specific embodiment of monitoring method of the present invention.
Fig. 5 is the monitoring result sketch map of borehole stressmeter in second kind of specific embodiment of monitoring method of the present invention.
Description of reference numerals:
1-boring; Appearance is spied in the boring of 2-optics; 3-acoustic emission device;
The 4-borehole stressmeter; 5-controls receiver; 7-coal-face machine lane;
8-coal-face air way; 9-pushes up always; 10-directly pushes up;
The 11-false roof; The 12-coal-face; The 13-measuring point;
14-colliery digging laneway.
The specific embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; Wall rock destabilization acousto-optic-electric integrated monitoring system of the present invention comprise in advance in the colliery tunnel of digging laneway 14 help the optics boring that the country rock degree of impairment gradation of same boring 1 inwall that is drilled through monitors and spy on appearance 2, acoustic emission device 3 and borehole stressmeter 4, and the said colliery digging laneway 14 or the coal-face that are laid in boring 1 outside are with the control receiver 5 on the corresponding measuring point 13 in the tunnel.Said boring is spied on appearance 2, acoustic emission device 3 and borehole stressmeter 4 and is all connect the control receiver 5 that three institute monitoring result is gathered and shows.And the boring of said optics is spied on appearance 2, acoustic emission device 3 and borehole stressmeter 4 and all is connected through cable with control receiver 5, and said optics boring is spied on appearance 2 and spied on appearance for the boring that can carry out 360 ° in 1 inside of holing.
Wall rock destabilization acousto-optic-electric integrated monitor method of the present invention may further comprise the steps:
With boring 1 is that the reason that exploration hole is arranged in tunnel group is: in the coal mine roadway tunneling process; General tunnel or shed ding support tunnel of adopting the supporting of anchor rete cord; In most cases this type of tunnel all is that tunnel group is at first destroyed; Destruction unstability just because of tunnel group; Thereby just can cause top board (comprise from top to bottom old top 9, directly push up 10 and false roof 11) unstable failure, will hole 1 is arranged in after the tunnel helps, and promptly can observe the process of tunnel group coal and rock stress destruction comprehensively carefully.
201, the inwall of spying on 2 pairs of monitored borings 1 of appearance through optics boring is that hole wall is monitored in detail; And with monitoring result reach control receiver 5 show synchronously and record; The monitoring result that appearance 2 is spied in the optics boring that is shown through control receiver 5; Preliminary judge whether the inwall of boring 1 has the damage and the phenomenon of caving in, simultaneously to the crack that is produced on the said inwall coal and rock force-bearing situation analysis of being correlated with.
Particularly; In the coal mine roadway driving; At first play a boring 1, arrange again that afterwards optics boring spies on the inwall of 2 pairs of borings 1 of appearance and detect in detail, hole through optics and spy on appearance 2 in the meet head on tunnel group of certain distance of hysteresis; Whether the hole inwall that can intuitively see boring 1 has the damage and the phenomenon of caving in; Simultaneously the analysis of relevant coal and rock force-bearing situation is carried out in the crack that is produced on the inwall of said hole, can in boring 1, be carried out 360 degree rotations because appearance 2 is spied in the boring of said optics, thereby can carry out Preliminary study the country rock degree of impairment.
202, further monitor with the inwall of 3 pairs of borings 1 of acoustic emission device; And with monitoring result reach control receiver 5 show synchronously and record; Through the monitoring result of the acoustic emission device 3 that shown of control receiver 5, tentatively judge the country rock early stage information that microscopic damage destroys under the stress effect.
In this step; Because considering drills in the first step promptly drills through in 1 and second step of boring mounting arrangements optics boring and spies in the process of appearance 2; Can be that certain destruction is caused in inside to 1 the hole wall of holing inevitably all; Thereby be to avoid improving the precision of monitoring result because of drilling and optics boring being installed spying on 2 pairs of some illusions that hole wall damaged of appearance, then with the acoustic emission device 3 preliminary judgement country rock early stage information that microscopic damage destroys under the stress effect.
203, the inwall of spying on 2 pairs of borings 1 of appearance through optics boring carries out second time and monitors in detail; And with monitoring result reach control receiver 5 show synchronously and record; The monitoring result that control receiver 5 is write down in this monitoring result of simultaneously appearance 2 is spied in optics boring and the first step combines to analyze comparison, judges the damage degree of the big or small and 1 inner coal and rock of holing of 1 the suffered internal force of inwall of holing.
In this step; Receive when avoiding acoustic emission device 3 to carry out acoustic emission detection the interference of extraneous factor to produce the situation of information distortion, thereby after 3 monitorings of acoustic emission device finish, continue to spy in the hole of 2 pairs of borings 1 of appearance situation and monitor through optics boring; And the observed result first time that combines optics boring to spy on appearance 2 is that monitoring result compares analysis; Through finding that the stress suffered as if hole wall is bigger after twice analysis on monitoring result in front and back of spying on appearance 2 that optics is holed, it is just serious that then it receives the destruction of stress; Phenomenons such as caving in appears in corresponding meeting, can clearly show boring 1 place's coal and rock destructiveness.
204, monitor through the surrouding rock stress of 4 pairs of boring of borehole stressmeter, 1 inwall; And monitoring result is reached control receiver 5 show synchronously and record, the whole synthesis monitoring result that the monitoring result that combines the first step to the three optics boring that control receiver 5 is write down in the step to spy on twice monitoring result and the acoustic emission device 3 of appearance 2 is simultaneously carried out analysis-by-synthesis and record boring 1.
In sum; In the tunnelling process; Through being after acousto-optic electricity integrated monitor is carried out in the exploration hole gradation, can carry out accurate discrimination to said colliery digging laneway 14 (specifically being boring 1 place) this moment country rock damage unstability situation of being adopted the vacant lot band of living in to beating in advance in the hysteresis boring 1 that the tunnel of certain distance helps of meeting head on.
It should be noted that: in the tunnelling process; Tunnel for anchor rete cord and shed ding support; The twist drill hole of generally need not pinching is observed; When running into tomography, zone of fracture or top board crack water droplet and drench particular time such as bigger, meet head on to make a call to one hole or to roof bolt hole after, can spy on appearance through boring the situation of fragmentation in the hole or water burst is intuitively observed; For strengthening face timbering foundation is provided according to water burst and coal petrography degree of crushing, and the observation process of the said back of meeting head on is monitored according to monitoring system of the present invention and monitoring method still.
As shown in Figure 4; In the present embodiment; Used wall rock destabilization acousto-optic-electric integrated monitoring system is identical with embodiment 1; It comprises spies on appearance 2, acoustic emission device 3 and borehole stressmeter 4 to helping the optics boring that the country rock degree of impairment gradation of same boring 1 inwall that is drilled through monitors at coal-face with the tunnel in tunnel in advance, and the said coal-face that is laid in boring 1 outside is with the control receiver 5 on the corresponding measuring point 13 in the tunnel.Said boring is spied on appearance 2, acoustic emission device 3 and borehole stressmeter 4 and is all connect the control receiver 5 that three institute monitoring result is gathered and shows.Said coal-face comprises coal- face machine lane 7 and 8 two tunnels of coal-face air way with the tunnel.And the boring of said optics is spied on appearance 2, acoustic emission device 3 and borehole stressmeter 4 and all is connected through cable with control receiver 5, and said optics boring is spied on appearance 2 and spied on appearance for the boring that can carry out 360 ° in 1 inside of holing.
In the present embodiment, wall rock destabilization acousto-optic-electric integrated monitor method of the present invention may further comprise the steps:
Described coal-face comprises the coal-face machine lane that is parallel to each other 7 and coal-face air way 8 with the tunnel, and the tunnel of said coal-face machine lane 7 and coal-face air way 8 is helped and all is drilled with a plurality of borings 1 and said boring 1 all is laid on the coal and rock between coal-face machine lane 7 and the coal-face air way 8.Position and structure that a plurality of borings 1 that drilled through are helped in the tunnel of said coal-face machine lane 7 and coal-face air way 8 are all symmetrical.That is to say; Be laid in a plurality of borings of helping in 7 tunnels, coal-face machine lane 1 and the position and the structure that are laid in a plurality of borings 1 of helping in coal-face air way 8 tunnels, all about the central axis bilateral symmetry of 8 of coal-face machine lane 7 and coal-face air ways.And said a plurality of boring 1 is even laying, and the spacing that adjacent two borings are 1 is 5 ± 1m.
In the present embodiment, the spacing that adjacent two borings are 1 is 5m.
201, the inwall of spying on 2 pairs of monitored borings 1 of appearance through optics boring is that hole wall is monitored in detail; And with monitoring result reach control receiver 5 show synchronously and record; The monitoring result that appearance 2 is spied in the optics boring that is shown through control receiver 5; Preliminary judge whether the inwall of boring 1 has the damage and the phenomenon of caving in, simultaneously to the crack that is produced on the said inwall coal and rock force-bearing situation analysis of being correlated with.
202, further monitor with the inwall of 3 pairs of borings 1 of acoustic emission device; And with monitoring result reach control receiver 5 show synchronously and record; Through the monitoring result of the acoustic emission device 3 that shown of control receiver 5, tentatively judge the country rock early stage information that microscopic damage destroys under the stress effect.
203, the inwall of spying on 2 pairs of borings 1 of appearance through optics boring carries out second time and monitors in detail; And with monitoring result reach control receiver 5 show synchronously and record; The monitoring result that control receiver 5 is write down in this monitoring result of simultaneously appearance 2 is spied in optics boring and the first step combines to analyze comparison, judges the damage degree of the big or small and 1 inner coal and rock of holing of 1 the suffered internal force of inwall of holing.
204, monitor through the surrouding rock stress of 4 pairs of boring of borehole stressmeter, 1 inwall; And monitoring result is reached control receiver 5 show synchronously and record, the whole synthesis monitoring result that the monitoring result that combines the first step to the three optics boring that control receiver 5 is write down in the step to spy on twice monitoring result and the acoustic emission device 3 of appearance 2 is simultaneously carried out analysis-by-synthesis and record boring 1.
In sum; In the coal mining process, help, whenever play a plurality of borings at a distance from 5 meters in tunnel, two lanes in rib the place ahead (being coal-face machine lane 7 and coal-face air way 8); At first each boring 1 is inner arranges that earlier optics boring spies on appearance 2, and the 1 inner wall-rock crack of holing etc. is tentatively understood; Arrange that then 3 pairs of coal bodies of acoustic emission device break the energy information that sends behind the ring at the coal body under the bearing pressure effect and monitor; Afterwards, spy on appearance 2 through optics boring again and further strengthen the degree of impairment of rib in said a plurality of borings 1 hole is observed, reflect the force-bearing situation of coal body, analyze the bearing pressure distribution situation in coal-face 12 the place aheads according to hole wall coal body crack; Arrange borehole stressmeter 4 at last; The result who reflects with borehole stressmeter 4 combines acoustic emission device 3 distributing discipline of abutment pressure that result of detection reflection coal-face 12 the place aheads of appearance 2 are spied in boring with optics; It is same to the work plane of coal and gas outburst danger is arranged; Coal and gas are outstanding to have necessary relation with stress, can monitor out the stress intensity to the coal body effect through sound-light-electric Trinitarian monitoring means, finally possible outburst danger is carried out prediction.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (7)
1. method of utilizing wall rock destabilization acousto-optic-electric integrated monitoring system to monitor; The wall rock destabilization acousto-optic-electric integrated monitoring system that is adopted comprise in advance in the colliery digging laneway (14) or coal-face help the optics boring that the country rock degree of impairment gradation of same boring (1) inwall that is drilled through monitors with the tunnel in tunnel and spy on appearance (2), acoustic emission device (3) and borehole stressmeter (4), and be laid in said colliery digging laneway (14) or coal-face outside the boring (1) with the control receiver (5) on the corresponding measuring point (13) in the tunnel; Said boring is spied on appearance (2), acoustic emission device (3) and borehole stressmeter (4) and is all connect the control receiver (5) that three institute monitoring result is gathered and shows; Said coal-face comprises coal-face machine lane (7) and (8) two tunnels of coal-face air way with the tunnel, it is characterized in that this method may further comprise the steps:
Step 1, boring: in the tunnelling process, help in the tunnel of the colliery digging laneway (14) that hysteresis is met head on through rig and to drill through a boring (1); In the perhaps coal mining process, be that the coal-face in coal-face (12) the place ahead is helped with the tunnel in tunnel and drilled through a plurality of borings (1) at rib through rig; The degree of depth of said boring (1) is in 15m;
Step 2, monitoring: comprehensive monitoring is carried out in a said boring (1), and perhaps comprehensive monitoring is carried out in said a plurality of borings simultaneously (1) respectively, and as far as wherein any boring (1), its comprehensive monitoring process is following:
201, spying on appearance (2) through optics boring is that hole wall is monitored in detail to the inwall of monitored boring (1); And with monitoring result reach control receiver (5) show synchronously and record; The monitoring result that appearance (2) are spied in the optics boring that is shown through control receiver (5); Preliminary judge whether the inwall of boring (1) has the damage and the phenomenon of caving in, simultaneously to the crack that is produced on the said inwall coal and rock force-bearing situation analysis of being correlated with;
202, with acoustic emission device (3) inwall of boring (1) is further monitored; And with monitoring result reach control receiver (5) show synchronously and record; Through the monitoring result of the acoustic emission device (3) that shown of control receiver (5), tentatively judge the country rock early stage information that microscopic damage destroys under the stress effect;
203, spying on appearance (2) through optics boring carries out second time to the inwall of boring (1) and monitors in detail; And with monitoring result reach control receiver (5) show synchronously and record; Control the monitoring result that receiver (5) write down in this monitoring result of simultaneously appearance (2) is spied in optics boring and the first step and combines to analyze comparison, judge the damage degree of big or small and (1) the inner coal and rock of holing of the suffered internal force of inwall of boring (1);
204, through borehole stressmeter (4) surrouding rock stress of boring (1) inwall is monitored; And monitoring result is reached control receiver (5) show synchronously and record, combine the first step to the three to control optics boring that receiver (5) write down in the step simultaneously and spy on the comprehensive monitoring result that the monitoring result of twice monitoring result and the acoustic emission device (3) of appearance (2) is carried out analysis-by-synthesis and record boring (1);
Step 3, comprehensive analysis and judgement: the comprehensive monitoring result who controls the said boring (1) that receiver (5) write down described in the aggregation step two; All comprehensive monitoring results of perhaps said a plurality of borings (1); Can tackle digging laneway of colliery described in the step 1 (14) or coal-face mutually and carry out accurate discrimination with the tunnel current country rock damage unstability situation of vacant lot band of being adopted of living in, accurately situation is deposited in the said tax of being adopted vacant lot band coal and rock of prediction then.
2. according to the described wall rock destabilization acousto-optic-electric integrated monitor of claim 1 method, it is characterized in that: said optics boring is spied on appearance (2), acoustic emission device (3) and borehole stressmeter (4) and all is connected through cable with control receiver (5).
3. according to claim 1 or 2 described wall rock destabilization acousto-optic-electric integrated monitor methods, it is characterized in that: the boring of said optics is spied on appearance (2) and is spied on appearance for the boring that can carry out 360 ° in boring (1) inside.
4. according to the described wall rock destabilization acousto-optic-electric integrated monitor of claim 1 method; It is characterized in that: the coal-face described in the step 1 comprises coal-face machine lane (7) and the coal-face air way (8) that is parallel to each other with the tunnel, and the tunnel of said coal-face machine lane (7) and coal-face air way (8) is helped and all is drilled with a plurality of borings (1) and said boring (1) all is laid on the coal and rock between coal-face machine lane (7) and the coal-face air way (8).
5. according to the described wall rock destabilization acousto-optic-electric integrated monitor of claim 4 method, it is characterized in that: position and structure that a plurality of borings (1) that drilled through are helped in the tunnel of said coal-face machine lane (7) and coal-face air way (8) are all symmetrical.
6. according to claim 4 or 5 described wall rock destabilization acousto-optic-electric integrated monitor methods, it is characterized in that: said a plurality of borings (1) are even laying, and the spacing between adjacent two borings (1) is 5 ± 1m.
7. according to the described wall rock destabilization acousto-optic-electric integrated monitor of claim 1 method, it is characterized in that: a plurality of borings described in the step 1 (1) are all perpendicular to the tunnel group of said coal-face with the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910021931A CN101526009B (en) | 2009-04-09 | 2009-04-09 | Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910021931A CN101526009B (en) | 2009-04-09 | 2009-04-09 | Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101526009A CN101526009A (en) | 2009-09-09 |
| CN101526009B true CN101526009B (en) | 2012-10-24 |
Family
ID=41094062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910021931A Expired - Fee Related CN101526009B (en) | 2009-04-09 | 2009-04-09 | Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101526009B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2598009C1 (en) * | 2015-07-09 | 2016-09-20 | Федеральное государственное бюджетное учреждение науки ИНСТИТУТ ПРОБЛЕМ КОМПЛЕКСНОГО ОСВОЕНИЯ НЕДР РОССИЙСКОЙ АКАДЕМИИ НАУК (ИПКОН РАН) | Downhole method for determination of direction and main stress values |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182512A (en) * | 2011-03-10 | 2011-09-14 | 北京大学深圳研究生院 | Unit structure for coal mine roof sound emission monitoring |
| CN102182515B (en) * | 2011-04-22 | 2013-01-16 | 山东理工大学 | Method for magnetically monitoring and forecasting deep surrounding rock burst losslessly in real time |
| CN102505965B (en) * | 2011-11-11 | 2013-10-23 | 中国矿业大学(北京) | Method for identifying rock mass failure instability early warning |
| CN102788870B (en) * | 2012-07-31 | 2015-03-25 | 中铁隧道集团有限公司 | In-situ test method used in soft soil wall rock tunnel |
| CN103147737A (en) * | 2013-02-22 | 2013-06-12 | 姚强岭 | Drilling detection method for disclosing law of overburden failure in ascending mining |
| RU2532817C1 (en) * | 2013-06-24 | 2014-11-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Method of determining change of stress state of rock mass in vicinity of working |
| RU2528304C1 (en) * | 2013-07-23 | 2014-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) | Method of determining outburst sites in coal beds |
| RU2557288C1 (en) * | 2014-06-17 | 2015-07-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Method of determining stress in rock mass |
| RU2557287C1 (en) * | 2014-06-17 | 2015-07-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Method of study of stressed state of rocks mass |
| CN104265364B (en) * | 2014-07-31 | 2017-01-25 | 天地科技股份有限公司 | Monitoring determining method for working face goaf lateral coal plastic area width |
| CN104454008A (en) * | 2014-10-24 | 2015-03-25 | 苏州德鲁森自动化系统有限公司 | Mine disaster early warning method |
| CN107765339B (en) * | 2015-05-31 | 2019-10-25 | 西安科技大学 | Improving stability of surrounding rocks in roadway joint test method |
| RU2600948C1 (en) * | 2015-11-17 | 2016-10-27 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Method of coal rock dumps sites selecting |
| CN105467429B (en) * | 2015-11-24 | 2019-05-10 | 江西理工大学 | A kind of method of hard-rock mine mountainous region pressure coupling prediction |
| RU2613229C1 (en) * | 2016-01-11 | 2017-03-15 | Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук (ИГД СО РАН) | Method for controlling stress-strain state of rock massif |
| RU2618778C1 (en) * | 2016-03-29 | 2017-05-11 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Control method of the rock mass stress condition in the vicinity of working |
| CN107304681A (en) * | 2016-04-22 | 2017-10-31 | 天地科技股份有限公司 | Coal petrography gas composite power disaster is with position monitoring and pre-alarming method |
| CN106644680A (en) * | 2016-09-22 | 2017-05-10 | 三峡大学 | Quantitative classification method for rock sample crushing degree based on grid density and crack density |
| CN106703888B (en) * | 2016-12-15 | 2018-10-19 | 大同煤矿集团有限责任公司 | Coal mining rock movement large space in-situ monitoring method |
| RU2657302C1 (en) * | 2017-09-22 | 2018-06-13 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Method of coal rock dumps sites selecting |
| CN109113742B (en) * | 2018-08-02 | 2019-12-31 | 中国矿业大学 | Coal reservoir stratum present ground stress prediction method |
| RU2699295C1 (en) * | 2018-12-10 | 2019-09-04 | Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А.Чинакала Сибирского отделения Российской академии наук | Method of determining stress-strain state of rock mass by method of parallel wells |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207534U (en) * | 1986-10-18 | 1987-09-09 | 江苏省地质矿产局第二水文地质工程地质大队 | Ultrasonic image logging detector with a gyroscope |
| CN87206234U (en) * | 1987-04-14 | 1988-05-25 | 煤炭工业部煤炭科学研究院北京开采研究所 | Stress gauge for drilling machine oil pillow |
| CN2152075Y (en) * | 1993-01-04 | 1994-01-05 | 煤炭科学研究总院北京开采研究所 | Inspection instrument for borehole |
| CN1710425A (en) * | 2005-06-01 | 2005-12-21 | 于海湧 | Wall-rock crack scanning detector |
| CN2904512Y (en) * | 2006-03-27 | 2007-05-23 | 天地科技股份有限公司 | Test hole electronic sighting device for mine |
| CN101113674A (en) * | 2007-08-08 | 2008-01-30 | 天地科技股份有限公司 | Drilling stress meter for one-hole multiple measuring points |
| CN201381879Y (en) * | 2009-04-09 | 2010-01-13 | 西安科技大学 | Sound, light and electricity integration monitoring system for instability of surrounding rock |
-
2009
- 2009-04-09 CN CN200910021931A patent/CN101526009B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207534U (en) * | 1986-10-18 | 1987-09-09 | 江苏省地质矿产局第二水文地质工程地质大队 | Ultrasonic image logging detector with a gyroscope |
| CN87206234U (en) * | 1987-04-14 | 1988-05-25 | 煤炭工业部煤炭科学研究院北京开采研究所 | Stress gauge for drilling machine oil pillow |
| CN2152075Y (en) * | 1993-01-04 | 1994-01-05 | 煤炭科学研究总院北京开采研究所 | Inspection instrument for borehole |
| CN1710425A (en) * | 2005-06-01 | 2005-12-21 | 于海湧 | Wall-rock crack scanning detector |
| CN2904512Y (en) * | 2006-03-27 | 2007-05-23 | 天地科技股份有限公司 | Test hole electronic sighting device for mine |
| CN101113674A (en) * | 2007-08-08 | 2008-01-30 | 天地科技股份有限公司 | Drilling stress meter for one-hole multiple measuring points |
| CN201381879Y (en) * | 2009-04-09 | 2010-01-13 | 西安科技大学 | Sound, light and electricity integration monitoring system for instability of surrounding rock |
Non-Patent Citations (1)
| Title |
|---|
| 刘勇.电子窥视仪在煤矿中的应用.《煤矿开采》.2006,(第01期), * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2598009C1 (en) * | 2015-07-09 | 2016-09-20 | Федеральное государственное бюджетное учреждение науки ИНСТИТУТ ПРОБЛЕМ КОМПЛЕКСНОГО ОСВОЕНИЯ НЕДР РОССИЙСКОЙ АКАДЕМИИ НАУК (ИПКОН РАН) | Downhole method for determination of direction and main stress values |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101526009A (en) | 2009-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101526009B (en) | Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof | |
| CN102322294B (en) | Comprehensive geological prediction method for karst tunnel construction | |
| CN103742149B (en) | A kind of combining puts the method that second mining remains ground coal | |
| CN101270666B (en) | Tunnel influence geological condition section-expanding horizontal drilling estimation and prediction method | |
| CN102134967B (en) | Construction method of consolidating horizontal directional drilling hole by grouting coal seam baseboard | |
| CN103924975B (en) | A kind of for the water-retaining method in coal mining process | |
| CN101581234B (en) | Comprehensive underground test method for deformation and damage of terranes of mining top plate and mining bottom plate of coal bed | |
| CN103742145B (en) | Colliery rich water abnormal area water prevention method | |
| CN201381879Y (en) | Sound, light and electricity integration monitoring system for instability of surrounding rock | |
| CN101694163B (en) | Determination method of deep tunnel roof support forms and support depth | |
| CN102817619B (en) | Combined advanced drilling exploration method for detecting water-free dissolving cavity and water dissolving cavity in tunnel | |
| CN109611143A (en) | The multi-parameter integrated monitoring system of top plate hydrofracturing and fracturing effect method of discrimination | |
| CN103147737A (en) | Drilling detection method for disclosing law of overburden failure in ascending mining | |
| CN105909254B (en) | Projecting coal bed bottom plate, which is faced upward, wears the advanced area cover coal roadway tunneling method of layer directional hole | |
| CN104914484A (en) | Roadway surrounding rock stability combined testing device and testing method | |
| CN108222937B (en) | Secondary top board structure quantitative analysis and its evaluation method based on inclined seam exploitation | |
| CN102852524B (en) | Method for utilizing hydraulic support to improve bauxite recovery rate | |
| CN105652311A (en) | Micro-seismic monitoring method for monitoring water inrush of base plate | |
| CN110671093A (en) | Comprehensive detection method for overburden rock activity rule based on drilling shooting | |
| CN109736796A (en) | A kind of intensification blasthole forward probe mechanism and its forecasting procedure | |
| CN115788435A (en) | System and method for preventing rock burst in coal mine from up and down in three-dimensional manner | |
| CN109505654A (en) | The anti-risk topmast maintaining method in tunnel under the influence of a kind of repeated mining | |
| CN202362466U (en) | Height detecting device for water flowing fracture zone on coal extraction working surface | |
| CN109944635A (en) | Working face deep concealed permeable structure is detected and administering method | |
| CN102455176A (en) | Monitoring method of damage height of overlying strata in mining field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20140409 |