CN102878966A - Method for monitoring movement of dam body of five-level tailings pond - Google Patents
Method for monitoring movement of dam body of five-level tailings pond Download PDFInfo
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- CN102878966A CN102878966A CN2012103888716A CN201210388871A CN102878966A CN 102878966 A CN102878966 A CN 102878966A CN 2012103888716 A CN2012103888716 A CN 2012103888716A CN 201210388871 A CN201210388871 A CN 201210388871A CN 102878966 A CN102878966 A CN 102878966A
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Abstract
A method for monitoring movement of a dam body of a five-level tailings pond is characterized by comprising the following contents of: (1) arrangement of a working base point and a movement observation point; (2) a measurement method; (3) office computation; and (4) achievement data. By the technical scheme, angle measuring accuracy and distance measuring accuracy of the method meet technical requirements of a four-level network, and requirements on observation of the movement of the dam body of the five-level tailings pond can be met basically. The method has the advantages that the tailings pond can be monitored by using a simple measuring method, the principle is simple, the method is suitable and easy to operate, and investment cost is low.
Description
Technical field
The invention belongs to the method and technology field of the displacement observation of a kind of mine five grade tailing dams.
Background technology
Tailings Dam plays vital effect in the menakamite Mine Safety in Production, it is related to the existence in enterprise, mine.Produce the mine tailing of concentration less than 20% for the mine, after deposition, build a dam by manually piling up, within a period of time, might produce distortion in various degree, cause the Tailings Dam hidden danger.Therefore, the monitoring of Tailings Dam is conducive in time grasp operation conditions and the security status of Tailings Dam, and the security that can improve Tailings Dam is the knowledge of Safety of Tailings Dam management.Because five grade Tailings Dams are subjected to the impact of following three aspects:: the one, the restriction of topographic condition for example can not well be laid working base point and reference point; The 2nd, be subjected to the restriction of the type of the precision of surveying instrument and equipment; The 3rd, the impact of other objective condition comprises that the grade of Tailings Dam is lower, and tailings warehouse dam body displacement monitoring facility is not set, and is unfavorable for security control.Therefore, the method that needs a kind of simple, easy to implement tailings warehouse dam body displacement observation.
Summary of the invention:
Purpose of the present invention is just in order to overcome above-mentioned prior art not to the defective of tailings warehouse dam body displacement monitoring facility, and provide that a kind of principle is simple, method applicable, easy operating, five grade tailings warehouse dam body displacement observation methods that cost investment is few.
The objective of the invention is to realize by following technical solution.
A kind of five grade tailings warehouse dam body displacement monitoring methods, the present invention is characterised in that, comprises following content: the laying of (1) working base point, displacement observation point
1. working base point
Burying underground take convenient each displacement observation station of observation as purpose of working base point, reconnaissance should be at sighting condition better and comparatively firm place, and bury underground and be no less than 2 points, mutually to check; The coordinate results of working base point is made the displacement monitoring net of a low grade on the basis of mine control net and is recorded;
2. displacement observation point
The displacement observation point is embedded in the position that can embody deformation behaviour, arranges altogether along initial stage dam crest, base of dam and Tailings Dam downstream simultaneously to be no less than 3 sections, and each section distance is not less than 50 meters;
(2) Metrical Method (take one of them displacement observation point A as example)
1), azimuth observation
1. scale configuration: according to the technical requirement of fourth class net, establish altogether 6 survey time, and be respectively 0 ° 00 ' 50 ", 30 ° 12 ' 30 ", 60 ° 24 ' 10 " and, 90 ° 35 ' 50 ", 120 ° 47 ' 30 " and, 150 ° 59 ' 10 ";
2. survey time observation: the aiming displacement observation point A that faces left, carry out reading note a
1, clockwise direction is rotated alidade, and aiming backsight point B carries out reading note b
1, value β in semiobservation angle in the calculating
Left=b
1-a
1
Coil right aiming backsight point B, carry out reading note b
2, counterclockwise rotating alidade, aiming displacement observation point A carries out reading note a
2, calculate lower semiobservation angle value β
Right=b
2-a
2
Check whether upper and lower semiobservation angle value mutual deviation transfinites, calculate the first survey time angle value β
1=β
Left+ β
Right
(3) in like manner observe second and third, four, five, six survey time, and calculate each angle value β
2, β
3, β
4, β
5, β
6, whether transfinite, calculate at last mean value β and be first displacement observation and put working base point to the angle of backsight point if checking all directions value;
2), range finding
In the observation water straight angle, survey and establish working base point to the distance of displacement observation station, survey altogether 3 survey time;
(3), interior industry is calculated
After recording horizontal angle beta and distance B, according to the coordinate of known coordinate and position angle reckoning displacement observation point, suppose that be M, N at known 2 at 2, this direction position angle is ɑ
NM, wherein working base point M is that its coordinate of survey station is X
M,Y
M, displacement observation point A coordinate X to be asked then
A=X
M+ D*cos(ɑ
NM+β), Y
M=X
M+ D*sin(ɑ
NM+β);
(4), achievement data
By calculating final need to submit to displacement observation outcome table, displacement-time plot, observed result explanation, this achievement data can reflect variable quantity and the Changing Pattern of displacement intuitively.
The invention has the beneficial effects as follows,
Adopt technical solution of the present invention, its angle measurement and distance accuracy reach the technical requirement of fourth class net, substantially can satisfy the needs of five grade tailings warehouse dam body displacement observations.
The advantage of the method is to utilize simple measuring method that Tailings Dam is monitored, and principle is simple, method is applicable, easy operating, cost investment are few.
The present invention in line with closely in conjunction with grade, the scale of Tailings Dam, the factor such as structural shape, landform and definite method.Be embodied in emphatically applicable and make overall plans, make every effort to reflect intuitively at length intrinsic displacement Changing Pattern, thereby analyze the deformation extent of dam body.
Further set forth content of the present invention below in conjunction with embodiment.
Embodiment
A kind of five grade tailings warehouse dam body displacement monitoring methods, present embodiment comprises following content:
(1) laying of working base point, displacement observation point
1. working base point
Burying underground take convenient each displacement observation station of observation as purpose of working base point, reconnaissance should be at sighting condition better and comparatively firm place, and to bury underground be 4 points, mutually to check; The coordinate results of working base point is made the displacement monitoring net of a low grade on the basis of mine control net and is recorded;
2. displacement observation point
The displacement observation point is embedded in the position that can embody deformation behaviour, along initial stage dam crest, base of dam and Tailings Dam downstream 3 sections is set altogether simultaneously, and each section distance is 70 meters;
(2) Metrical Method (take one of them displacement observation point A as example)
1), azimuth observation
1. scale configuration: according to the technical requirement of fourth class net, establish altogether 6 survey time, and be respectively 0 ° 00 ' 50 ", 30 ° 12 ' 30 ", 60 ° 24 ' 10 " and, 90 ° 35 ' 50 ", 120 ° 47 ' 30 " and, 150 ° 59 ' 10 ";
2. survey time observation: the aiming displacement observation point A that faces left, carry out reading note a
1, clockwise direction is rotated alidade, and aiming backsight point B carries out reading note b
1, value β in semiobservation angle in the calculating
Left=b
1-a
1
Coil right aiming backsight point B, carry out reading note b
2, counterclockwise rotating alidade, aiming displacement observation point A carries out reading note a
2, calculate lower semiobservation angle value β
Right=b
2-a
2
Check whether upper and lower semiobservation angle value mutual deviation transfinites, calculate the first survey time angle value β
1=β
Left+ β
Right
(3) in like manner observe second and third, four, five, six survey time, and calculate each angle value β
2, β
3, β
4, β
5, β
6, whether transfinite, calculate at last mean value β and be first displacement observation and put working base point to the angle of backsight point if checking all directions value;
2), range finding
In the observation water straight angle, survey and establish working base point to the distance of displacement observation station, survey altogether 3 survey time;
(3), interior industry is calculated
After recording horizontal angle beta and distance B, according to the coordinate of known coordinate and position angle reckoning displacement observation point, suppose that be M, N at known 2 at 2, this direction position angle is ɑ
NM, wherein working base point M is that its coordinate of survey station is X
M, Y
M, displacement observation point A coordinate X to be asked then
A=X
M+ D*cos(ɑ
NM+β), Y
M=X
M+ D*sin(ɑ
NM+β);
(4), achievement data
By calculating final need to submit to displacement observation outcome table, displacement-time plot, observed result explanation, this achievement data can reflect variable quantity and the Changing Pattern of displacement intuitively.
Embodiment two
(1) laying of working base point, displacement observation point
1. working base point
Burying underground take convenient each displacement observation station of observation as purpose of working base point, reconnaissance should be at sighting condition better and comparatively firm place, and to bury underground be 2 points, mutually to check; The coordinate results of working base point is made the displacement monitoring net of a low grade on the basis of mine control net and is recorded;
2. displacement observation point
The displacement observation point is embedded in the position that can embody deformation behaviour, is set to altogether in 5 sections along initial stage dam crest, base of dam and Tailings Dam downstream simultaneously, and each section distance is 50 meters;
Other is the same.
Embodiment three
(1) laying of working base point, displacement observation point
1. working base point
Burying underground take convenient each displacement observation station of observation as purpose of working base point, reconnaissance should be at sighting condition better and comparatively firm place, and to bury underground be 8 points, mutually to check; The coordinate results of working base point is made the displacement monitoring net of a low grade on the basis of mine control net and is recorded;
2. displacement observation point
The displacement observation point is embedded in the position that can embody deformation behaviour, is set to altogether in 7 sections along initial stage dam crest, base of dam and Tailings Dam downstream simultaneously, and each section distance is 120 meters;
Other is the same.
Claims (1)
1. a grade tailings warehouse dam body displacement monitoring method is characterized in that, comprises following content:
(1) laying of working base point, displacement observation point
1. working base point
Burying underground take convenient each displacement observation station of observation as purpose of working base point, reconnaissance should be at sighting condition better and comparatively firm place, and bury underground and be no less than 2 points, mutually to check; The coordinate results of working base point is made the displacement monitoring net of a low grade on the basis of mine control net and is recorded;
2. displacement observation point
The displacement observation point is embedded in the position that can embody deformation behaviour, arranges altogether along initial stage dam crest, base of dam and Tailings Dam downstream simultaneously to be no less than 3 sections, and each section distance is not less than 50 meters;
(2) Metrical Method
1), azimuth observation
1. scale configuration: according to the technical requirement of fourth class net, establish altogether 6 survey time, and be respectively 0 ° 00 ' 50 ", 30 ° 12 ' 30 ", 60 ° 24 ' 10 " and, 90 ° 35 ' 50 ", 120 ° 47 ' 30 " and, 150 ° 59 ' 10 ";
2. survey time observation: the aiming displacement observation point A that faces left, carry out reading note a
1, clockwise direction is rotated alidade, and aiming backsight point B carries out reading note b
1, value β in semiobservation angle in the calculating
Left=b
1-a
1
Coil right aiming backsight point B, carry out reading note b
2, counterclockwise rotating alidade, aiming displacement observation point A carries out reading note a
2, calculate lower semiobservation angle value β
Right=b
2-a
2
Check whether upper and lower semiobservation angle value mutual deviation transfinites, calculate the first survey time angle value β
1=β
Left+ β
Right
(3) in like manner observe second and third, four, five, six survey time, and calculate each angle value β
2, β
3, β
4, β
5, β
6, whether transfinite, calculate at last mean value β and be first displacement observation and put working base point to the angle of backsight point if checking all directions value;
2), range finding
In the observation water straight angle, survey and establish working base point to the distance of displacement observation station, survey altogether 3 survey time;
(3), interior industry is calculated
After recording horizontal angle beta and distance B, according to the coordinate of known coordinate and position angle reckoning displacement observation point, suppose that be M, N at known 2 at 2, this direction position angle is ɑ
NM, wherein working base point M is that its coordinate of survey station is X
M, Y
M, displacement observation point A coordinate X to be asked then
A=X
M+ D*cos(ɑ
NM+β), Y
M=X
M+ D*sin(ɑ
NM+β);
(4), achievement data
By calculating final need to submit to displacement observation outcome table, displacement-time plot, observed result explanation, this achievement data can reflect variable quantity and the Changing Pattern of displacement intuitively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103888716A CN102878966A (en) | 2012-10-13 | 2012-10-13 | Method for monitoring movement of dam body of five-level tailings pond |
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|---|---|---|---|
| CN2012103888716A CN102878966A (en) | 2012-10-13 | 2012-10-13 | Method for monitoring movement of dam body of five-level tailings pond |
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| CN102878966A true CN102878966A (en) | 2013-01-16 |
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| CN2012103888716A Pending CN102878966A (en) | 2012-10-13 | 2012-10-13 | Method for monitoring movement of dam body of five-level tailings pond |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627130A (en) * | 2018-05-14 | 2018-10-09 | 辽宁大学 | A kind of tailing dam surface displacement monitoring point structure and method for arranging |
| CN109706980A (en) * | 2018-12-25 | 2019-05-03 | 商洛学院 | A kind of Safety of Tailings Dam monitoring system |
Citations (4)
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| JP2005106532A (en) * | 2003-09-29 | 2005-04-21 | Keisoku Net Service Kk | Road cross section measuring device and the road cross section measuring method |
| CN101520324A (en) * | 2009-03-24 | 2009-09-02 | 中国安全生产科学研究院 | Dam-break disaster displacement quantitative prewarning method of tailings reservoir |
| CN201993108U (en) * | 2010-12-24 | 2011-09-28 | 成都飞辉虹科技有限责任公司 | On-line intelligent monitoring system of tailing pond |
| CN102509433A (en) * | 2011-10-31 | 2012-06-20 | 中国瑞林工程技术有限公司 | Tailing pond numerical simulation and on-line monitoring integral emergency early-warning system |
-
2012
- 2012-10-13 CN CN2012103888716A patent/CN102878966A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005106532A (en) * | 2003-09-29 | 2005-04-21 | Keisoku Net Service Kk | Road cross section measuring device and the road cross section measuring method |
| CN101520324A (en) * | 2009-03-24 | 2009-09-02 | 中国安全生产科学研究院 | Dam-break disaster displacement quantitative prewarning method of tailings reservoir |
| CN201993108U (en) * | 2010-12-24 | 2011-09-28 | 成都飞辉虹科技有限责任公司 | On-line intelligent monitoring system of tailing pond |
| CN102509433A (en) * | 2011-10-31 | 2012-06-20 | 中国瑞林工程技术有限公司 | Tailing pond numerical simulation and on-line monitoring integral emergency early-warning system |
Non-Patent Citations (1)
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| 顾孝烈等: "《测量学》", 30 April 1999, article "测量学" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627130A (en) * | 2018-05-14 | 2018-10-09 | 辽宁大学 | A kind of tailing dam surface displacement monitoring point structure and method for arranging |
| CN109706980A (en) * | 2018-12-25 | 2019-05-03 | 商洛学院 | A kind of Safety of Tailings Dam monitoring system |
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Application publication date: 20130116 |