CN110360907A - A kind of side slope step expansion side blasting method throughout broken jointed rock mass - Google Patents
A kind of side slope step expansion side blasting method throughout broken jointed rock mass Download PDFInfo
- Publication number
- CN110360907A CN110360907A CN201910698311.2A CN201910698311A CN110360907A CN 110360907 A CN110360907 A CN 110360907A CN 201910698311 A CN201910698311 A CN 201910698311A CN 110360907 A CN110360907 A CN 110360907A
- Authority
- CN
- China
- Prior art keywords
- side slope
- quick
- rock mass
- hole
- fried
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/10—Machines for obtaining or the removal of materials in open-pit mines for quarrying stone, sand, gravel, or clay
-
- 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)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a kind of side slope steps throughout broken jointed rock mass to expand side blasting method, comprising the following steps: the joint parameters for surveying and drawing and analyzing rock mass are surveyed and drawn and obtain the 3-D geometric model of side slope step；The three-dimensional parameter of blast hole is designed on the 3-D geometric model according to the explosive specific charge and the linear charging density, corresponding blast hole is drilled out on the side slope step according to the three-dimensional parameter of the blast hole after optimization, it verifies, powder charge, blocking, networking, detonation, quick-fried middle progress concussion of blasting analysis, the Half cast factor of the measuring and calculating side slope boundary control hole after quick-fried, calculates quick-fried heap loose volume after quick-fried.Beneficial effects of the present invention: by measuring rock mass strength index, survey and draw the 3-D geometric model of side slope step, the three-dimensional parameter of observing and controlling blast hole, assessment particle vibration acceleration, side slope boundary control hole Half cast factor, narrow platform connect quarrel rate etc. can Precise spraying control drilling and blasting process quality, guarantee demolition effect.
Description
Technical field
The present invention relates to side slope steps to expand side technical field, it particularly relates to a kind of side throughout broken jointed rock mass
Ramp rank expands side blasting method.
Background technique
Metal Open closes on side slope bench blasting and generallys use separate unit rank (should not be higher than 20m) Slope Controlled Blasting, time
The side slope boundary control hole Half cast factor of cloth broken jointed rock mass (III grade of moderate strength) usually requires that control 60% or more.
For for the deep Metal Open high gradient slope (deep 348m), (deep 240 ~ 348m) expands side exploitation engineering, deep is expanded
55 ° of ultimate pit slope angle (deep 240 ~ 348m), 45 ° (deep 240m or more), II grade of high slope hazard rating, I grade of security level after side；
Slope rock mass is broken, developmental joint fissure (joint 0.1 ~ 1m of spacing), belongs to III grade of rock mass of moderate strength；To ensure stability of slope
Property, it is desirable that optimization side slope boundary controls explosion, so that side slope boundary control hole Half cast factor is reached 80% or more, to reduce concussion of blasting.
In addition, for and for the exploitation production of section side slope step expansion side, double step and the high 24m of section, bank slope
67 °, overpunching platform and lower part meet the quarrel wide 12 ~ 10m of platform, and 2 ~ 2.4(of depth-width ratio is much larger than fractured rock natural repose angle
Depth-width ratio 0.78 at 38 °), expand side and adopt 9 ~ 7m(of breadth according to the synchronous variation of 12 ~ 10m of berm width)；Quarrel is connect to meet narrow platform
It keeps the safety in production with only shipment, it is desirable that optimize step and expand side exploitation explosion, be precisely controlled blasting direction, quick-fried quarrel shatter value and throw scattered
Distance, to reduce ore dissipation and dilution.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes a kind of side slope step throughout broken jointed rock mass
Expand side blasting method, selects double step and side recovery scheme is expanded in section drilling and blasting, and apply advanced observing and controlling analytical calculation technology, it can be accurate
Design control drilling and blasting process quality.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of side slope step expansion side blasting method throughout broken jointed rock mass, comprising the following steps:
S1 surveys and draws and analyzes the joint parameters of rock mass, and the joint parameters include rock mass strength index and rock-mass quality grade, root
Explosive specific charge and linear charging density are selected according to the joint parameters；
S2 surveys and draws and obtains the 3-D geometric model of side slope step；
S3 designs the three-dimensional of blast hole according to the explosive specific charge and the linear charging density on the 3-D geometric model
Parameter, the blast hole include main blast hole, secondary blasting hole and side slope boundary control hole, and the three-dimensional parameter includes that plane is sat
Then mark, azimuth, inclination angle and depth calculate the minimum burden analyzed main blast hole described in different depth away from slope surface and do not connect
Side slope described in the explosion burden area and Discontinuous charge amount, different depth in secondary blasting hole described in continuous explosive payload, different depth
The pitch-row and Discontinuous charge amount of boundary control hole, optimize the three-dimensional parameter of the blast hole according to calculated result；
S4 drills out corresponding blast hole on the side slope step according to the three-dimensional parameter of the blast hole after optimization；
S5 verifies；
S6 powder charge, blocking, networking, detonation；
The quick-fried middle progress concussion of blasting analysis of S7 is analyzed according to concussion of blasting as a result, optimum blast design parameter, adds particle vibration
For speed control within 15cm/s, the explosion design parameter includes single hop battering charge and single quick-fried battering charge；
The Half cast factor of the measuring and calculating side slope boundary control hole optimizes the side slope boundary control hole according to results of measuring after S8 is quick-fried
Explosion design parameter, so that the Half cast factor of the side slope boundary control hole is reached 80% or more；
The quick-fried heap loose volume of measuring and calculating, calculates the quick-fried heap coefficient of volumetric expansion and platform connects quarrel rate after S9 is quick-fried, according to calculated result, described in optimization
The explosion design parameter of main blast hole and the secondary blasting hole makes the platform connect quarrel rate and reaches 65% or more.
Further, it in S1, is surveyed and drawn using Sirovision 3-dimensional digital is photogrammetric with Analysis of rock mass structure system
Analyze the joint parameters of the rock mass.
Further, it in S2, surveys and draws first cleaning before the 3-D geometric model and intends at the top of quick-fried step floating quarrel and smooth
Perforation process face.
Further, in S2, using MAPTEK I-SITE XR3-C three-dimensional laser scanning system and MAPTEK I-
Site Studio software surveys and draws the 3-D geometric model of the side slope step.
Further, using the three-dimensional parameter of blast hole described in DIMINE software design in S3.
Further, in S4, using the plane coordinates in blast hole aperture described in TOPCOM ES-120 total station observing and controlling,
Using the azimuth and inclination angle of blast hole described in electronic gradient ruler observing and controlling, and split type JK590C down-the-hole drill is selected to carry out dual stage
Rank and section perforation, the error of the plane coordinates are ± 0.15m, and the error at the azimuth and the inclination angle is ± 1 °, described
The error of depth is ± 0.2m.
Further, in S7, explosion shake is carried out using TDEC OBOX-20016 blasting vibration recorder and BM View
Dynamic analysis.
Further, in S8, using digital photography calculate it is quick-fried after the side slope boundary control hole Half cast factor.
Further, in S8, using 3 D laser scanning calculate it is quick-fried after the quick-fried heap loose volume.
Beneficial effects of the present invention: by measuring rock mass strength index, 3-D geometric model, the observing and controlling of side slope step are surveyed and drawn
The three-dimensional parameter of blast hole, assessment particle vibration acceleration, side slope boundary control hole Half cast factor, narrow platform connects quarrel rate etc. can be accurate
Design control drilling and blasting process quality, guarantees demolition effect.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is schematic diagram of the side slope step described according to embodiments of the present invention before explosion；
Fig. 2 is the side slope step described according to embodiments of the present invention using the schematic diagram after the segmentation drilling and blasting mode explosion of separate unit rank；
Fig. 3 is the side slope step described according to embodiments of the present invention using the schematic diagram after double step and section drilling and blasting mode explosion；
Fig. 4 is described according to embodiments of the present invention ROCK MASS JOINT isodensity and stereogram；
Fig. 5 is the point cloud chart of the 3-D geometric model of the side slope step described according to embodiments of the present invention；
Fig. 6 is the sectional view of the double step described according to embodiments of the present invention and section drilling；
Fig. 7 is the schematic diagram of the initiation net described according to embodiments of the present invention；
Fig. 8 is the concussion of blasting analysis chart described according to embodiments of the present invention.
In figure:
1, pre- ceasma；2, secondary blasting hole；3, main blast hole；4, minimum burden；5, slope surface；6, total electric cap；7, primacord.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As shown in figures 1-8, a kind of side slope step throughout broken jointed rock mass according to embodiments of the present invention expands side
Blasting method, comprising the following steps:
S1 surveys and draws and analyzes the joint parameters of rock mass, and the joint parameters include rock mass strength index and rock-mass quality grade, root
Explosive specific charge and linear charging density are selected according to the joint parameters；
S2 surveys and draws and obtains the 3-D geometric model of side slope step；
S3 designs the three-dimensional of blast hole according to the explosive specific charge and the linear charging density on the 3-D geometric model
Parameter, the blast hole include that main blast hole 3, secondary blasting hole 2 and side slope boundary control hole, the three-dimensional parameter include plane
Then coordinate, azimuth, inclination angle and depth calculate minimum burden 4 of the main blast hole 3 away from slope surface 5 described in analysis different depth
Area and Discontinuous charge amount, different depth institute are born in explosion with secondary blasting hole 2 described in Discontinuous charge amount, different depth
The pitch-row and Discontinuous charge amount for stating side slope boundary control hole, optimize the three-dimensional parameter of the blast hole according to calculated result；
S4 drills out corresponding blast hole on the side slope step according to the three-dimensional parameter of the blast hole after optimization；
S5 verifies；
S6 powder charge, blocking, networking, detonation；
The quick-fried middle progress concussion of blasting analysis of S7 is analyzed according to concussion of blasting as a result, optimum blast design parameter, adds particle vibration
For speed control within 15cm/s, the explosion design parameter includes single hop battering charge and single quick-fried battering charge；
The Half cast factor of the measuring and calculating side slope boundary control hole optimizes the side slope boundary control hole according to results of measuring after S8 is quick-fried
Explosion design parameter, so that the Half cast factor of the side slope boundary control hole is reached 80% or more；
The quick-fried heap loose volume of measuring and calculating, calculates the quick-fried heap coefficient of volumetric expansion and platform connects quarrel rate after S9 is quick-fried, according to calculated result, described in optimization
The explosion design parameter of main blast hole 3 and the secondary blasting hole 2 makes the platform connect quarrel rate and reaches 65% or more.
In one particular embodiment of the present invention, in S1, using Sirovision 3-dimensional digital is photogrammetric and rock
The joint parameters of the rock mass are analyzed in the mapping of fluid-structure analysis system.
In one particular embodiment of the present invention, in S2, first cleaning is intended quick-fried before surveying and drawing the 3-D geometric model
Floating quarrel and smooth perforation process face at the top of step.
In one particular embodiment of the present invention, in S2, using MAPTEK I-SITE XR3-C 3 D laser scanning
System and MAPTEK I-Site Studio software survey and draw the 3-D geometric model of the side slope step.
In one particular embodiment of the present invention, using the three-dimensional ginseng of blast hole described in DIMINE software design in S3
Number.
In one particular embodiment of the present invention, in S4, using explosion described in TOPCOM ES-120 total station observing and controlling
The plane coordinates in hole aperture using the azimuth and inclination angle of blast hole described in electronic gradient ruler observing and controlling, and is selected split type
JK590C down-the-hole drill carries out double step and section perforation, and the error of the plane coordinates is ± 0.15m, the azimuth and described
The error at inclination angle is ± 1 °, and the error of the depth is ± 0.2m.
In one particular embodiment of the present invention, in S7, using TDEC OBOX-20016 blasting vibration recorder and
BM View carries out concussion of blasting analysis.
In one particular embodiment of the present invention, in S8, using digital photography calculate it is quick-fried after the side slope boundary
The Half cast factor of control hole.
In one particular embodiment of the present invention, in S8, using 3 D laser scanning calculate it is quick-fried after the quick-fried heap
Loose volume.
In order to facilitate above-mentioned technical proposal of the invention is understood, below by way of specifically used mode to above-mentioned skill of the invention
Art scheme is described in detail.
Side recovery scheme is expanded in the preferred double step of the present invention and section drilling and blasting, and uses advanced observing and controlling analytical calculation technology, specifically
It is as follows:
1) Parameters of Rock Joints is analyzed with the mapping of Analysis of rock mass structure system using Sirovision 3-dimensional digital is photogrammetric, surveyed
Determine rock mass strength index, delimit rock-mass quality grade, selected explosive specific charge and linear charging density.
2) floating quarrel, smooth perforation process face at the top of quick-fried step are intended in cleaning, and are swashed using MAPTEK I-SITE XR3-C three-dimensional
The 3-D geometric model of photo-scanning system and MAPTEK I-Site Studio software mapping side slope step.
3) 3-D geometric model for importing side slope step carries out blast hole Three dimensional parameter design, weight using DIMINE software
It is auxiliary that point calculates minimum burden 4 and Discontinuous charge amount, different depth of the front-seat main blast hole 3 of analysis different depth away from slope surface 5
Area and Discontinuous charge amount, different depth side slope boundary control pitch of holes and Discontinuous charge amount are born in 2 explosion of boost holes,
According to Calculation results adjusting and optimizing blast hole three-dimensional parameter, the three-dimensional parameter after optimization is as follows: blast hole aperture is 140mm
(aperture is larger, and broken jointed rock mass perforation one-tenth porosity is high)；72 ° of the inclination angle hole depth 26m(of main blast hole 3), 2 He of secondary blasting hole
72 ° of the inclination angle hole depth 25m(of side slope boundary control hole)；The minimum burden 4 of the pitch-row slope surface 5 of main blast hole 3 is 3.5m, major-minor
Blast hole (i.e. main blast hole 3 and secondary blasting hole 2) aperture stemming length 5m, the aperture stemming length of side slope boundary control hole
2m；Main 3 0.4 ~ 0.45kg/m3 of explosive specific charge of blast hole, point two sections of coupling chargings, 15 ~ 17m of loaded length, single hole explosive payload 210
~240kg；2 0.35 ~ 0.4kg/m3 of explosive specific charge of secondary blasting hole, point two sections of coupling chargings, 13 ~ 15m of loaded length, single hole dress
185 ~ 210kg of dose；Side slope boundary 0.22 ~ 0.25kg/m3(of control hole explosive specific charge is averaged linear charging density about 0.8 ~ 0.9kg/
M), discontinuous Uncoincided charge, charge diameter 50mm, the radial not coefficient of coup 2.8, total 6 ~ 6.8m of loaded length, gap length
1.25 ~ 1m, single hole 20 ~ 22.5kg of explosive payload, side slope control hole bottom reinforcement powder charge segment length 0.9m, explosive payload increase coefficient 6 ~
6.5。
4) it perforates, using the plane coordinates of TOPCOM ES-120 total station observing and controlling drilling orifice, is surveyed using electronic gradient ruler
The azimuth and inclination angle of drilling are controlled, and split type JK590C down-the-hole drill is selected to carry out double step and section perforation, plane coordinates
Error is ± 0.15m, and the error at azimuth and inclination angle is ± 1 ° (skewed error 1.5%), and the error of depth is ± 0.2m.
5) it verifies, adjusts explosion design parameter (including three-dimensional parameter, single hop battering charge and the single quick-fried maximum of blast hole
Explosive payload etc.), make a report on main blast hole 3, secondary blasting hole 2, side slope boundary control hole perforated blasting parameter list；Wherein single hop is most
Big explosive payload is 500kg, and single quick-fried battering charge is 5t.
6) powder charge, blocking, networking, detonation；Blasting network is that total 6 detonations of electric cap+ground primacord 7 is quick-fried+major-minor quick-fried
Primacord passes in delay (pre- ceasma 1 shifts to an earlier date major-minor blast hole 100ms detonation)+hole between the 25ms elementary errors on-electric detonator section of holes aperture
It is quick-fried；Detonation mode and sequence to empty work surface oblique initiation (make full use of laterally empty work surface connect quarrel) to only shipment,
The pre- preferential major-minor blast hole detonation of ceasma 1.
7) quick-fried middle use TDEC OBOX-20016 blasting vibration recorder and BM View carry out concussion of blasting analysis, according to
Concussion of blasting analysis makes as a result, the explosions design parameter such as emphasis adjusting and optimizing single hop battering charge and single quick-fried battering charge
Particle vibration Acceleration Control is within 15cm/s.
8) after quick-fried using digital photography calculate it is quick-fried after side slope boundary control hole Half cast factor, according to measuring and calculating analysis as a result,
The explosion design parameter of emphasis adjusting and optimizing side slope boundary control hole, makes side slope boundary control hole Half cast factor reach 80% or more.
9. after quick-fried, using 3 D laser scanning measuring and calculating it is quick-fried after quick-fried heap loose volume, calculate the quick-fried heap coefficient of volumetric expansion (after quick-fried with it is quick-fried
Front volume ratio), platform connects quarrel rate (platform connects quarrel and all quick-fried heap volume ratio), according to measuring and calculating analysis as a result, emphasis adjusting and optimizing
Major-minor blast hole explosion design parameter makes platform connect quarrel rate and reaches 65% or more.
In conclusion, by measuring rock mass strength index, surveying and drawing side slope step by means of above-mentioned technical proposal of the invention
3-D geometric model, observing and controlling blast hole three-dimensional parameter, assessment particle vibration acceleration, side slope boundary control hole Half cast factor,
Narrow platform connect quarrel rate etc. can Precise spraying control drilling and blasting process quality, guarantee demolition effect.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of side slope step throughout broken jointed rock mass expands side blasting method, which comprises the following steps:
S1 surveys and draws and analyzes the joint parameters of rock mass, and the joint parameters include rock mass strength index and rock-mass quality grade, root
Explosive specific charge and linear charging density are selected according to the joint parameters；
S2 surveys and draws and obtains the 3-D geometric model of side slope step；
S3 designs the three-dimensional of blast hole according to the explosive specific charge and the linear charging density on the 3-D geometric model
Parameter, the blast hole include that main blast hole (3), secondary blasting hole (2) and side slope boundary control hole, the three-dimensional parameter include
Then plane coordinates, azimuth, inclination angle and depth calculate main minimum of the blast hole (3) away from slope surface (5) described in analysis different depth
The explosion burden area and Discontinuous charge of secondary blasting hole (2) described in burden (4) and Discontinuous charge amount, different depth
The pitch-row and Discontinuous charge amount of side slope boundary control hole described in amount, different depth optimize the blast hole according to calculated result
Three-dimensional parameter；
S4 drills out corresponding blast hole on the side slope step according to the three-dimensional parameter of the blast hole after optimization；
S5 verifies；
S6 powder charge, blocking, networking, detonation；
The quick-fried middle progress concussion of blasting analysis of S7 is analyzed according to concussion of blasting as a result, optimum blast design parameter, adds particle vibration
For speed control within 15cm/s, the explosion design parameter includes single hop battering charge and single quick-fried battering charge；
The Half cast factor of the measuring and calculating side slope boundary control hole optimizes the side slope boundary control hole according to results of measuring after S8 is quick-fried
Explosion design parameter, so that the Half cast factor of the side slope boundary control hole is reached 80% or more；
The quick-fried heap loose volume of measuring and calculating, calculates the quick-fried heap coefficient of volumetric expansion and platform connects quarrel rate after S9 is quick-fried, according to calculated result, described in optimization
The explosion design parameter of main blast hole (3) and the secondary blasting hole (2) makes the platform connect quarrel rate and reaches 65% or more.
2. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S1, joined using the photogrammetric joint for analyzing the rock mass with the mapping of Analysis of rock mass structure system of Sirovision 3-dimensional digital
Number.
3. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S2, floating quarrel and smooth perforation process face at the top of quick-fried step are intended in first cleaning before surveying and drawing the 3-D geometric model.
4. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S2, surveyed and drawn using MAPTEK I-SITE XR3-C three-dimensional laser scanning system and MAPTEK I-Site Studio software
The 3-D geometric model of the side slope step.
5. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
Using the three-dimensional parameter of blast hole described in DIMINE software design in S3.
6. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S4, using the plane coordinates in blast hole aperture described in TOPCOM ES-120 total station observing and controlling, using electronic gradient ruler observing and controlling
The azimuth and inclination angle of the blast hole, and split type JK590C down-the-hole drill is selected to carry out double step and section perforation, it is described flat
The error of areal coordinate is ± 0.15m, and the error at the azimuth and the inclination angle is ± 1 °, the error of the depth is ±
0.2m。
7. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S7, concussion of blasting analysis is carried out using TDEC OBOX-20016 blasting vibration recorder and BM View.
8. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S8, using digital photography calculate it is quick-fried after the side slope boundary control hole Half cast factor.
9. the side slope step according to claim 1 throughout broken jointed rock mass expands side blasting method, which is characterized in that
In S8, using 3 D laser scanning calculate it is quick-fried after the quick-fried heap loose volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698311.2A CN110360907A (en) | 2019-07-31 | 2019-07-31 | A kind of side slope step expansion side blasting method throughout broken jointed rock mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698311.2A CN110360907A (en) | 2019-07-31 | 2019-07-31 | A kind of side slope step expansion side blasting method throughout broken jointed rock mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110360907A true CN110360907A (en) | 2019-10-22 |
Family
ID=68221679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698311.2A Pending CN110360907A (en) | 2019-07-31 | 2019-07-31 | A kind of side slope step expansion side blasting method throughout broken jointed rock mass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360907A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111426246A (en) * | 2020-03-30 | 2020-07-17 | 南阳市神威爆破工程有限公司 | Ore slope blasting optimization method |
| CN112179224A (en) * | 2020-09-07 | 2021-01-05 | 大昌建设集团有限公司 | Slope blasting method |
| CN112696998A (en) * | 2020-12-29 | 2021-04-23 | 包头钢铁（集团）有限责任公司 | Controlled blasting forming method for foundation pit of open-pit mine crushing station |
| CN114623740A (en) * | 2022-04-15 | 2022-06-14 | 广西中爆电子科技有限公司 | Blasting method for protecting side slope by electronic detonator delay time |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105224742A (en) * | 2015-09-29 | 2016-01-06 | 鞍钢集团矿业公司 | A kind of blast action of analyzing is got out of a predicament or an embarrassing situation the method for slope stability |
| CN105954357A (en) * | 2016-04-25 | 2016-09-21 | 宏大矿业有限公司 | Method for simultaneous measurement of sound velocity of multi-step horizontal rock body |
| CN108304637A (en) * | 2018-01-25 | 2018-07-20 | 武汉大学 | The recognition methods of Instability of Rock Slope pattern |
| CN109506530A (en) * | 2018-12-21 | 2019-03-22 | 包头钢铁（集团）有限责任公司 | A kind of opencut 24m High-bench blasting expands side structure and its side method is expanded in explosion |
-
2019
- 2019-07-31 CN CN201910698311.2A patent/CN110360907A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105224742A (en) * | 2015-09-29 | 2016-01-06 | 鞍钢集团矿业公司 | A kind of blast action of analyzing is got out of a predicament or an embarrassing situation the method for slope stability |
| CN105954357A (en) * | 2016-04-25 | 2016-09-21 | 宏大矿业有限公司 | Method for simultaneous measurement of sound velocity of multi-step horizontal rock body |
| CN108304637A (en) * | 2018-01-25 | 2018-07-20 | 武汉大学 | The recognition methods of Instability of Rock Slope pattern |
| CN109506530A (en) * | 2018-12-21 | 2019-03-22 | 包头钢铁（集团）有限责任公司 | A kind of opencut 24m High-bench blasting expands side structure and its side method is expanded in explosion |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111426246A (en) * | 2020-03-30 | 2020-07-17 | 南阳市神威爆破工程有限公司 | Ore slope blasting optimization method |
| CN112179224A (en) * | 2020-09-07 | 2021-01-05 | 大昌建设集团有限公司 | Slope blasting method |
| CN112179224B (en) * | 2020-09-07 | 2022-06-28 | 大昌建设集团有限公司 | Slope blasting method |
| CN112696998A (en) * | 2020-12-29 | 2021-04-23 | 包头钢铁（集团）有限责任公司 | Controlled blasting forming method for foundation pit of open-pit mine crushing station |
| CN114623740A (en) * | 2022-04-15 | 2022-06-14 | 广西中爆电子科技有限公司 | Blasting method for protecting side slope by electronic detonator delay time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110360907A (en) | A kind of side slope step expansion side blasting method throughout broken jointed rock mass | |
| CN107478114B (en) | A kind of parallel slope buffered hole depth hole side slope presplit blasting construction method | |
| CN106968673B (en) | Metal Open mountain goaf harnessing method | |
| Liu et al. | A study of cut blasting for one-step raise excavation based on numerical simulation and field blast tests | |
| CN108613599A (en) | A method of segmentation courtyard simultaneous shaft sin king | |
| CN105781560B (en) | A kind of construction method of the remote base tunnel look-ahead explosion in super low coverage superimposing thread tunnel | |
| CN103398637B (en) | Mean-peak micro-quake fine control blasting construction method using high-precision digital electronic detonators | |
| CN102809329A (en) | Stone shallow hole blasting control method applied in town | |
| CN107289828A (en) | A kind of Blasting in open-pit effect evaluation method | |
| CN103745040B (en) | A kind of analysis method of open-pit slope blasting process stability | |
| CN106247877A (en) | A kind of hypervelocity forces kerve method without cutting hole deviation line symmetry | |
| CN106767205A (en) | The micro- Comprehensive Control blasting method of shaking of bustling urban district subway running tunnel | |
| CN107762399A (en) | Explosion coordinates rotary drilling rig deep layer one-step pore-creating construction method | |
| CN101793486A (en) | High-grade highway rock cutting blasting construction process | |
| CN104895574A (en) | Construction method for controlling large cross section tunnel blasting vibration velocity | |
| US20240111916A1 (en) | Systems for automated blast design planning and methods related thereto | |
| CN107576234A (en) | A kind of portable blasting technique servicer in scene | |
| CN104929641A (en) | Treatment method applied to disaster of steeply dipping seam roof | |
| Pomasoncco-Najarro et al. | Pre-split blasting design to reduce costs and improve safety in underground mining | |
| CN115146487A (en) | Deep-buried tunnel blasting parameter evaluation method | |
| CN111121572A (en) | Tunnel blasting excavation method with multifunctional holes | |
| CN104457466A (en) | Explosion method of open-cut tunnel segment | |
| CN110285731A (en) | A kind of determination method of opencut main access segment blast Hole pattern parameters | |
| CN204495211U (en) | A kind of blasting hole arrangement system of tunnel open excavation section | |
| CN103410513B (en) | Uneasily mining orebody mechanization process for stoping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191022 |