CN114894052A - Accurate point setting method for open bench blasting - Google Patents
Accurate point setting method for open bench blasting Download PDFInfo
- Publication number
- CN114894052A CN114894052A CN202111511207.1A CN202111511207A CN114894052A CN 114894052 A CN114894052 A CN 114894052A CN 202111511207 A CN202111511207 A CN 202111511207A CN 114894052 A CN114894052 A CN 114894052A
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- setting
- blasting
- points
- line
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- 238000005422 blasting Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000004880 explosion Methods 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses an accurate point setting method for open-air bench blasting, relates to the technical field of open-air bench blasting, and particularly relates to a field accurate point setting method in open-air bench blasting. The site setting is precise setting and follows the following method: 11. setting points 1-1.5 meters away from the edge of the step; 12. setting points in a mountain slope edge area according to a mountain shape in a double-layer mode, and respectively forming a slope top line and a broken bottom line after the double-layer points are connected into a line; 13. setting points on various ore rock boundary lines, and distinguishing various ore rock names; 14. setting points on the boundary line, wherein the connected city line is a pre-splitting line; 15. at least one point is arranged on the operation flat disc along the trend of the explosion area and within 20 meters of the trend, and a point is arranged near the flat disc at the lower part of the step; 16. setting points at the corners of the terrain and ground objects; 17. and setting points at the center and the root edge of the blind shot. The technical scheme of the invention solves the problems that in the prior art, as no accurate point setting method is available, the site actual situation can not be accurately provided for blasting engineering technicians, and safe and high-quality blasting can not be achieved.
Description
Technical Field
The invention discloses an accurate point setting method for open-air bench blasting, relates to the technical field of open-air bench blasting, and particularly relates to a field accurate point setting method in open-air bench blasting.
Background
The existing point setting method in open bench blasting in the same industry in China comprises the following steps: points are equidistantly arranged along the edge of the step on the spot, and points are randomly arranged inside the step. Therefore, technicians are difficult to determine conditions such as a resistant line, geology, a waste roadway, a blind shot and the like in a blasting area, so that the blasting quality is reduced, the number of the blocks is increased, and even the blind shot is accidentally detonated during blasting, so that the case of blasting accidents is also generated.
Aiming at the problems in the prior art, a novel accurate point setting method for open-air bench blasting is researched and designed, so that the problems in the prior art are very necessary to overcome.
Disclosure of Invention
According to the technical problems that no accurate point setting method exists, the site actual situation cannot be accurately provided for blasting engineering technicians, and safe and high-quality blasting cannot be achieved, the accurate point setting method for open bench blasting is provided. The invention accurately reflects the technical conditions and technical parameters required by the open bench blasting mainly through a site accurate point setting method, thereby providing basic conditions for achieving the purpose of safe and high-quality blasting.
The technical means adopted by the invention are as follows:
an accurate point setting method for open-air step blasting comprises the following steps: setting points on site, measuring and drawing, simulating hole distribution according to a graph, perforating on site hole distribution, measuring and blasting the graph, designing blasting and blasting; the method is characterized in that:
the site setting is precise setting and the following method is followed:
11. setting points 1-1.5 meters away from the edge of the step;
12. setting points in a mountain slope edge area according to a mountain shape in a double-layer mode, and respectively forming a slope top line and a broken bottom line after the double-layer points are connected into a line;
13. setting points on various ore rock boundary lines, and distinguishing various ore rock names;
14. setting points on the boundary line, wherein the connecting line is a pre-splitting line;
15. at least one point is arranged on the operation flat disc along the trend of the explosion area and within 20 meters of the trend, and a point is arranged near the flat disc at the lower part of the step;
16. setting points at the corners of the terrain and ground objects;
17. and points are arranged at the center and the root edge of the blind shot.
Further, the method 11 requires that a corner must be set.
Furthermore, points are set at the corners regardless of slag removal or slag pressing.
The accurate site setting of the invention also needs to follow the following principle to perform hole distribution:
1. the conditions of geology, hydrology, cracks, waste roadways and the like in the blasting area which have close relation to the blasting safety and quality can be accurately reflected;
2. the method can provide reference for blasting engineering technicians to carry out blasting design;
3. the operation process is simple, convenient, safe and reliable.
Compared with the prior art, the invention has the following advantages:
1. according to the accurate point setting method for the open-air step blasting, the point is set 1-1.5 meters away from the edge of the step, so that the measurement error is reduced, the error of the resistance line of the head row holes is controlled within 0.3 meter, and no root is generated due to the reasonable resistance line after blasting;
2. according to the accurate point setting method for open-air bench blasting, provided by the invention, the points are set at the corners of the bench, so that the purposes of key point management and control and reasonable hole distribution are realized;
3. according to the accurate point setting method for open-air step blasting, the reasonable hole arrangement mode of the ground holes according to the size of the resistance line is selected through the point setting of the mountain-shaped double layer in the edge area of the hillside;
4. according to the accurate point setting method for open-air bench blasting, provided by the invention, the points are set on various ore rock boundary lines, so that the ore rock is conveniently divided, penetrated and divided to explode, and the loss and dilution of ores are reduced;
5. according to the accurate point setting method for open-air bench blasting, at least one point is arranged on the operation flat disc along the direction of the blasting area and within 20 m of the trend, so that the effects of clear ground elevation and accurate designed hole depth are achieved;
6. according to the accurate point setting method for open-air bench blasting, the control of blasting vibration on ground features and the protection effect on the edges of the ground features are achieved by setting points on the corners of the ground features in the terrain;
7. according to the accurate point setting method for open-air bench blasting, provided by the invention, the point is set at the center and the root edge of the blind shot, so that the purposes of reasonable pull-bottom blasting resistance line and blasting safety are realized.
In conclusion, the technical scheme of the invention solves the problems that the prior art cannot accurately provide field actual conditions for blasting engineering technicians and cannot achieve safe and high-quality blasting due to the fact that an accurate point setting method is not available.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more fully describe the technical solutions of the embodiments of the present invention, it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
In the description of the present invention, it is to be understood that the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like indicate orientations or positional relationships only for the convenience of description and simplicity of description, and in the case of not making a reverse description, these directional terms do not indicate and imply that the referenced device or element must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," above … …, "" above … …, "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to orientation. For example, if a device is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The invention provides an accurate point setting method for open-air bench blasting, which comprises the following steps: setting points on site, measuring and drawing, simulating hole distribution according to a graph, perforating on site hole distribution, measuring and blasting the graph, designing blasting and blasting; the method is characterized in that:
the site setting is precise setting and the following method is followed:
11. setting points 1-1.5 meters away from the edge of the step; points must be set at the corners; both slag removal and slag pressing are required.
12. Setting points in a mountain slope edge area according to a mountain shape in a double-layer mode, and respectively forming a slope top line and a broken bottom line after the double-layer points are connected into a line;
13. setting points on various ore rock boundary lines, and distinguishing various ore rock names;
14. setting points on the boundary line, wherein the connecting line is a pre-splitting line;
15. at least one point is arranged on the operation flat disc along the trend of the explosion area and within 20 meters of the trend, and a point is arranged near the flat disc at the lower part of the step;
16. setting points at the corners of the terrain and ground objects;
17. and setting points at the center and the root edge of the blind shot.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. An accurate point setting method for open-air step blasting comprises the following steps: setting points on site, measuring and drawing, simulating hole distribution according to the drawing, distributing holes on site, perforating holes, measuring and blasting the drawing, designing blasting and blasting; the method is characterized in that:
the site setting is precise setting and the following method is followed:
11. setting points 1-1.5 meters away from the edge of the step;
12. setting points in a mountain slope edge area according to a mountain shape in a double-layer mode, and respectively forming a slope top line and a broken bottom line after the double-layer points are connected into a line;
13. setting points on various ore rock boundary lines, and distinguishing various ore rock names;
14. setting points on the boundary line, wherein the connecting line is a pre-splitting line;
15. at least one point is arranged on the operation flat disc along the trend of the explosion area and within 20 meters of the trend, and a point is arranged near the flat disc at the lower part of the step;
16. setting points at the corners of the terrain and ground objects;
17. and points are arranged at the center and the root edge of the blind shot.
2. The precise set point method for open bench blasting according to claim 1, wherein:
the method 11 requires that points must be set at the corners.
3. The precise set point method for open bench blasting according to claim 2, wherein:
the slag removal and slag pressing at the corners are required to be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511207.1A CN114894052B (en) | 2021-12-03 | 2021-12-03 | Accurate point setting method for open-air step blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511207.1A CN114894052B (en) | 2021-12-03 | 2021-12-03 | Accurate point setting method for open-air step blasting |
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| Publication Number | Publication Date |
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| CN114894052A true CN114894052A (en) | 2022-08-12 |
| CN114894052B CN114894052B (en) | 2023-11-07 |
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| US6772105B1 (en) * | 1999-09-08 | 2004-08-03 | Live Oak Ministries | Blasting method |
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| CN106895755A (en) * | 2017-02-27 | 2017-06-27 | 贵州新联爆破工程集团有限公司 | A kind of air bench blasting intellectualized design method |
| CN107144192A (en) * | 2017-06-16 | 2017-09-08 | 西安科技大学 | A kind of intelligent construction method of pinpoint blasting |
| CN107388909A (en) * | 2017-08-11 | 2017-11-24 | 中国葛洲坝集团易普力股份有限公司 | A kind of quick-fried area's bore distribution method precisely, quick, intelligent |
| CN110530219A (en) * | 2019-09-06 | 2019-12-03 | 中钢集团马鞍山矿山研究院有限公司 | A kind of control blasting method reducing loss and dilution |
| CN110779403A (en) * | 2019-09-25 | 2020-02-11 | 昆明理工大学 | Hole-by-hole initiation presplitting blasting crack forming method for open-air deep hole step presplitting hole under complex environment |
| CN111121575A (en) * | 2019-12-30 | 2020-05-08 | 中国十九冶集团（防城港）设备结构有限公司 | Town deep foundation pit shallow layer loosening control blasting construction method |
| CN111259517A (en) * | 2020-01-08 | 2020-06-09 | 京工博创（北京）科技有限公司 | Tunnel blasting design method, device and equipment |
| CN111307003A (en) * | 2020-03-26 | 2020-06-19 | 包头钢铁（集团）有限责任公司 | Strip mine 24m high step slope expanding blasting method |
| CN111811348A (en) * | 2020-08-14 | 2020-10-23 | 中交路桥建设有限公司 | Excavation and tunneling construction method for damping control blasting of tunnel |
-
2021
- 2021-12-03 CN CN202111511207.1A patent/CN114894052B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6772105B1 (en) * | 1999-09-08 | 2004-08-03 | Live Oak Ministries | Blasting method |
| CN105571419A (en) * | 2016-01-28 | 2016-05-11 | 中钢集团马鞍山矿山研究院有限公司 | Blasting method capable of effectively reducing blasting boulder yield of surface mine |
| CN106895755A (en) * | 2017-02-27 | 2017-06-27 | 贵州新联爆破工程集团有限公司 | A kind of air bench blasting intellectualized design method |
| CN107144192A (en) * | 2017-06-16 | 2017-09-08 | 西安科技大学 | A kind of intelligent construction method of pinpoint blasting |
| CN107388909A (en) * | 2017-08-11 | 2017-11-24 | 中国葛洲坝集团易普力股份有限公司 | A kind of quick-fried area's bore distribution method precisely, quick, intelligent |
| CN110530219A (en) * | 2019-09-06 | 2019-12-03 | 中钢集团马鞍山矿山研究院有限公司 | A kind of control blasting method reducing loss and dilution |
| CN110779403A (en) * | 2019-09-25 | 2020-02-11 | 昆明理工大学 | Hole-by-hole initiation presplitting blasting crack forming method for open-air deep hole step presplitting hole under complex environment |
| CN111121575A (en) * | 2019-12-30 | 2020-05-08 | 中国十九冶集团（防城港）设备结构有限公司 | Town deep foundation pit shallow layer loosening control blasting construction method |
| CN111259517A (en) * | 2020-01-08 | 2020-06-09 | 京工博创（北京）科技有限公司 | Tunnel blasting design method, device and equipment |
| CN111307003A (en) * | 2020-03-26 | 2020-06-19 | 包头钢铁（集团）有限责任公司 | Strip mine 24m high step slope expanding blasting method |
| CN111811348A (en) * | 2020-08-14 | 2020-10-23 | 中交路桥建设有限公司 | Excavation and tunneling construction method for damping control blasting of tunnel |
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| CN114894052B (en) | 2023-11-07 |
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