CN106895755B - A kind of air bench blasting intellectualized design method - Google Patents
A kind of air bench blasting intellectualized design method Download PDFInfo
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- CN106895755B CN106895755B CN201710108109.0A CN201710108109A CN106895755B CN 106895755 B CN106895755 B CN 106895755B CN 201710108109 A CN201710108109 A CN 201710108109A CN 106895755 B CN106895755 B CN 106895755B
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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Abstract
The present invention provides a kind of air bench blasting intellectualized design method, includes the foundation of burst region dimensionally form point cloud accurate model, and blasthole adaptively arranges that blast hole depth calculates automatically, calculated based on VORONOI bodies dynamite quantity per hole that stemming length calculates automatically;And cloth hole result can be visualized and provide coordinate, hole depth, explosive payload and the stemming length of each blasthole in table form.The invention achieves larger raising in bench blasting design accuracy, efficiency and economic benefit etc., preferably meets bench blasting and designs quick, accurate and efficient requirement.
Description
Technical field
The present invention relates to engineering explosion field, specially a kind of air bench blasting intellectualized design method.
Background technology
Traditional explosion design only provides guidance note file, and blasting parameter is mostly that designer relies on for many years
Design experiences determine that design lacks scientific and reasonability in itself.In addition, on-site personnel is only capable of making explosion design document
For reference, according to field geology, topographic features, the minimum burden, coordinate, dress of each blasthole are determined by personal construction experience
The blasting parameters such as dose, stemming length, it is low, economical that the Empirical determination of design and construction result in bursting work efficiency itself
Cost is high, security is poor, and further have impact on shovel dress, digs the efficiency of fortune, mining integrated cost rise.
Then engineering explosion researcher is engaged in both at home and abroad by virtue of experience to set to how the operation of surface mine bench blasting is broken away from
Count, operate this rough, poorly efficient operating type, realize that surface mine bench blasting design based on digital, intellectuality are managed
By the research with method.From explosion design documentation electronization is initially realized, later by computer realize the half of explosion design from
Dynamic semi-hand design, by now explosion design a calculating machine full-automation, and three dimensional stress, intellectuality, visualization turn into bench blasting
Design the new focus studied both at home and abroad.
In explosion designs a calculating machine ancillary technique, Blasting geology and the digitlization of burst region landform and numeral are realized
The high accuracy for changing model is crucial.
Because existing explosion design system is generally all to carry out explosion on burst region Terrain Simplification ideal geometric model
Design is very big due to simplifying landform and actual landform deviation, it is impossible to protect although system can provide each hole and lay parameter value
Hinder the reasonability of design parameter, whether round minimum burden meets design requirement before can not especially ensureing, and then influences heel row
The laying in hole, it is therefore desirable to propose that brand-new technical scheme is improved and perfect.
The content of the invention
It is an object of the invention to provide a kind of air bench blasting intellectualized design method, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme:A kind of air bench blasting intellectualized design method,
Comprise the steps of:
S1:Step burst region point cloud, step top of the slope contour line and step bottom of slope contour line are inputted, for step top of the slope wheel
There is a key element to generate initial burst region baseplane and bench crest, including following sub-step in profile and step bottom of slope contour line
Suddenly:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is thrown
Shadow to plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with
Area boundary portion merging, generation step baseplane are not excavated;
s1.2:The elongated segment of step bench crest two is intersected with quick-fried area boundary line and exceeds segment;
S2:Step baseplane is generated as burst region using step S1, then pushes away life into quick-fried area by step bench crest
Into steel for shot boost line, blasthole centre coordinate, including following sub-step are then equidistantly intercepted in blasthole boost line:
S2.1 calculates pitch-row by shoulder height, blasthole diameter, explosive density with explosive specific charge;
For s2.2 according to step baseplane, the pitch-row determined with previous step will equidistantly push away generation blasthole cloth in step bench crest
Boost line is put, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3 is in the steel for shot boost line that previous step generates, etc. the coordinate bit that array pitch intercepts each blasthole center successively
Put, until every steel for shot boost line completes this operation, preserve all blasthole center position coordinates;
S3:Centered on step S2 generates blasthole center position coordinates, vonoroi grids are generated to burst region, will
Grid intersects generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, and each vonoroi bodies are each blasthole institute
The volume of burden, the explosive payload of each blasthole, including following sub-step are further calculated,
s3.1:To the burst region baseplane containing blasthole coordinate, vonoroi grids are generated centered on blasthole coordinate;
s3.2:DEM is generated according to the burst region of input point cloud, by vonoroi grids along blasthole axial tension and quick-fried area
The intersecting generation vonoroi bodies of point cloud DEM, calculate each vonoroi bodies volume and preserve;
s3.3:Make to multiply with explosive specific charge with each vonoroi bodies volume, calculate the explosive payload of each blasthole;
S4:Their projection seats on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center
Mark, each blasthole length value is calculated using two coordinate values and blasthole ultra-deep value;
S5:Corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then uses big gun
Hole length and loaded length value calculate each blast hole stemming length, and preserve result of calculation;
S6:Collect blasthole centre coordinate value, corresponding hole charge, blasthole length and stemming length, export blasting parameter
Summary sheet.
Preferably, blasthole described in step S2 arranges that realization is as follows automatically:Pass through shoulder height, blasthole diameter, explosive density
Pitch-row is calculated with explosive specific charge, the step baseplane generated according to step s1.1;The pitch-row determined with step s2.1 equidistantly will
Generation steel for shot boost line is pushed away in step bench crest, until being covered with whole burst region baseplane, beyond baseplane with outside
Divide and dismiss;In the steel for shot boost line of step s2.2 generations, etc. the coordinate position that array pitch intercepts each blasthole center successively,
Until every steel for shot boost line completes this operation, all blasthole center position coordinates are preserved, finally put down burst region bottom
All blasthole center position coordinates project to quick-fried area's point cloud on face, and projection of the blasthole center position coordinates on quick-fried area's point cloud is
Blasthole final position coordinate.
Preferably, it is as follows to calculate realization for each blasthole dose automatic and accurate described in step S3:To containing the quick-fried of blasthole coordinate
Broken region baseplane, generates vonoroi grids centered on blasthole coordinate;DEM is generated according to the burst region of input point cloud, will
Vonoroi grids intersect generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, calculate each vonoroi bodies body
Product;Make to multiply with explosive specific charge with each vonoroi bodies volume, calculate the explosive payload of each blasthole.
Preferably, each blasthole length automatic and accurate is calculated as follows:According to each blasthole center at burst region bottom
The coordinate of plane finds their projection coordinates on quick-fried area's point cloud, and each blasthole is calculated using two coordinate values and blasthole ultra-deep value
Length value.
Preferably, corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then
Make difference with blasthole length and loaded length value and calculate each blast hole stemming length.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention proposes one according to air bench blasting theory
Bench blasting design method of the kind based on burst region point cloud geometry accurate model:Pass through 3 D laser scanning or photogrammetric skill
Art obtains air bench blasting region topographic(al) point mysorethorn scape model, burst region three-dimensional live landform is digitized, according to this hair
It is bright, measure the simultaneously each blasthole coordinate of automatic Calibration by the way that aided algorithm is accurate on model;And will be quick-fried using vonoroi grids
Broken region division is the volume group of each blasthole burden, and automatic and accurate calculates the explosive payload of each blasthole;Using burst region
Form point cloud model accurately calculates each blasthole length, stemming length automatically;Realize explosion design based on digital, automation, visual
Change;Compared to traditional design and existing explosion design system, the invention is based on burst region dimensionally form point mysorethorn scape model, from
The each hole coordinate of dynamic Accurate Calibration, automatic and accurate calculate each hole dose, blasthole length, stemming length, and the invention significantly carries
High design efficiency, precision, reduce design difficulty, complexity.
Brief description of the drawings
Fig. 1 is flow chart of the embodiment of the present invention when air bench blasting designs.
Fig. 2 is air bench blasting region point cloud model schematic diagram in the embodiment of the present invention.
Fig. 3 is borehole blasting of embodiment of the present invention zone boundary schematic diagram.
Fig. 4 is that steel for shot boost line generates schematic diagram in the embodiment of the present invention.
Fig. 5 is to generate blasthole schematic diagram in the embodiment of the present invention in steel for shot boost line.
Fig. 6 is that blasthole adaptively arranges schematic diagram in the embodiment of the present invention.
Fig. 7 is that blasthole bears volume voronoi bodies generation schematic diagram in the embodiment of the present invention.
Fig. 8 is air bench blasting design parameter summary sheet in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-8 are referred to, the present invention provides a kind of technical scheme:A kind of air bench blasting intellectualized design method, bag
Containing following steps:
S1:Step burst region point cloud, step top of the slope contour line and step bottom of slope contour line are inputted, for step top of the slope wheel
There is a key element to generate initial burst region baseplane and bench crest, including following sub-step in profile and step bottom of slope contour line
Suddenly:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is thrown
Shadow to plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with
Area boundary portion merging, generation step baseplane are not excavated;
s1.2:The elongated segment of step bench crest two is intersected with quick-fried area boundary line and exceeds segment;
S2:Step baseplane is generated as burst region using step S1, then pushes away life into quick-fried area by step bench crest
Into steel for shot boost line, blasthole centre coordinate, including following sub-step are then equidistantly intercepted in blasthole boost line:
S2.1 calculates pitch-row by shoulder height, blasthole diameter, explosive density with explosive specific charge;
For s2.2 according to step baseplane, the pitch-row determined with previous step will equidistantly push away generation blasthole cloth in step bench crest
Boost line is put, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3 is in the steel for shot boost line that previous step generates, etc. the coordinate bit that array pitch intercepts each blasthole center successively
Put, until every steel for shot boost line completes this operation, preserve all blasthole center position coordinates;
The blasthole arranges that realization is as follows automatically:Calculated by shoulder height, blasthole diameter, explosive density with explosive specific charge
Pitch-row, the step baseplane generated according to step s1.1;It will equidistantly be pushed away with the step s2.1 pitch-rows determined in step bench crest
Steel for shot boost line is generated, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;In step
In the steel for shot boost line of s2.2 generations, etc. the coordinate position that array pitch intercepts each blasthole center successively, until every blasthole
Arrangement boost line completes this operation, all blasthole center position coordinates is preserved, finally by all blastholes on burst region baseplane
Center position coordinates project to quick-fried area's point cloud, and projection of the blasthole center position coordinates on quick-fried area's point cloud is blasthole final position
Coordinate.
S3:Centered on step S2 generates blasthole center position coordinates, vonoroi grids are generated to burst region, will
Grid intersects generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, and each vonoroi bodies are each blasthole institute
The volume of burden, the explosive payload of each blasthole, including following sub-step are further calculated,
s3.1:To the burst region baseplane containing blasthole coordinate, vonoroi grids are generated centered on blasthole coordinate;
s3.2:DEM is generated according to the burst region of input point cloud, by vonoroi grids along blasthole axial tension and quick-fried area
The intersecting generation vonoroi bodies of point cloud DEM, calculate each vonoroi bodies volume and preserve;
s3.3:Make to multiply with explosive specific charge with each vonoroi bodies volume, calculate the explosive payload of each blasthole;
It is as follows to calculate realization for each blasthole dose automatic and accurate described in step S3:To the burst region bottom containing blasthole coordinate
Plane, vonoroi grids are generated centered on blasthole coordinate;DEM is generated according to the burst region of input point cloud, by vonoroi
Grid intersects generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, calculates each vonoroi bodies volume;With each
Vonoroi bodies volume is made to multiply with explosive specific charge, calculates the explosive payload of each blasthole.
S4:Their projection seats on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center
Mark, each blasthole length value is calculated using two coordinate values and blasthole ultra-deep value;Each blasthole length automatic and accurate is calculated as follows:Root
Their projection coordinates on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center, utilize two coordinates
Value and blasthole ultra-deep value calculate each blasthole length value.
S5:Corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then uses big gun
Hole length and loaded length value calculate each blast hole stemming length, and preserve result of calculation;According to continuous coupled powder charge principle profit
Corresponding blast hole projectile filling length is calculated with each hole charge, then makees difference with blasthole length and loaded length value and calculates each blasthole
Stemming length.
S6:Collect blasthole centre coordinate value, corresponding hole charge, blasthole length and stemming length, export blasting parameter
Summary sheet.
When it is implemented, the inventive method can realize automatic running using computer software technology.Referring to Fig. 1, embodiment
The method flow provided comprises the following steps:
S1:Step burst region point cloud C, step top of the slope contour line Ltop and step bottom of slope contour line Lbom are inputted, for
Have in step top of the slope contour line Ltop and step bottom of slope contour line Lbom a key element generate initial burst region baseplane with
Bench crest, including following sub-step:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is thrown
Shadow to plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with
Area boundary portion merging, generation step baseplane S are not excavated;
s1.2:The elongated segment of step bench crest two is intersected with quick-fried area boundary line and exceeds segment, generates new step top of the slope
Line T;
S2:Using step 1 generation step baseplane S as burst region, then push away life into quick-fried area by step bench crest
Into steel for shot boost line, blasthole centre coordinate P is then equidistantly intercepted in blasthole boost line, finally by blasthole centre coordinate P
Project to a cloud C, including following sub-step:
S2.1, pitch-row a is calculated with explosive specific charge by shoulder height, blasthole diameter, explosive density;
S2.2, according to step baseplane, generation big gun equidistantly will be pushed away in step bench crest with the pitch-row a that step 2.1 determines
Boost line La is arranged in hole, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3, on the steel for shot boost line La of step s2.2 generations, each blasthole center is intercepted successively etc. array pitch b
Coordinate position, until every steel for shot boost line completes this operation, all blasthole center position coordinates are preserved to set P.
S3:Centered on step S2 generates blasthole center position coordinates P, vonoroi grids are generated to burst region, will
Grid intersects generation vonoroi body groups N along blasthole axial tension with quick-fried area's point cloud DEM, and each vonoroi bodies Ni is each big gun
The volume that hole is born, the explosive payload Qi of each blasthole, including following sub-step are further calculated,
s3.1:To the burst region baseplane S containing blasthole coordinate, vonoroi nets are generated centered on blasthole coordinate P
Lattice;
s3.2:DEM is generated according to the burst region of input point cloud, by vonoroi grids along blasthole axial tension and quick-fried area
The intersecting generation vonoroi body set N of point cloud DEM, calculate each vonoroi bodies volume and are stored in Ni;
s3.3:Make to multiply with explosive specific charge q with each vonoroi bodies Ni volumes, calculate explosive payload and the preservation of each blasthole
In Qi.
S4:Their throwings on quick-fried area's point cloud C are found in burst region baseplane S coordinate P according to each blasthole center
Shadow coordinate P ', utilizes P, P ' absolute value and the blasthole ultra-deep value of difference h's and each blasthole length value of calculating and be stored in Li.
S5:Corresponding blast hole projectile filling length li is calculated using each hole charge Qi according to continuous coupled powder charge principle, then
Each blast hole stemming length is calculated with blasthole length Li and loaded length li, and preserves result of calculation in LDi.
S6:Collect blasthole centre coordinate value P, corresponding hole charge Q, blasthole length L and stemming length LD, export explosion
Parameter summary sheet, as shown in Figure 8.
This programme only needs to input step burst region point cloud model C, step top of the slope contour line Ltop and step bottom of slope profile
Line Lbom, and step design height H, blasthole diameter D, explosive density p and explosive specific charge q, software can perform above step,
Finally provide steel for shot figure and blasting parameter summary sheet.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of air bench blasting intellectualized design method, it is characterised in that comprise the steps of:
S1:Step burst region point cloud, step top of the slope contour line and step bottom of slope contour line are inputted, for step top of the slope contour line
With there is key element to generate initial burst region baseplane and a bench crest, including following sub-step in step bottom of slope contour line:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is projected to
Plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with not opening
Dig area boundary portion to merge, generation step baseplane;
s1.2:The elongated segment of step top of the slope contour line two is intersected with quick-fried area boundary line and exceeds segment;
S2:Step baseplane is generated as burst region using step S1, then pushes away life into quick-fried area by step top of the slope contour line
Into steel for shot boost line, blasthole centre coordinate, including following sub-step are then equidistantly intercepted in steel for shot boost line:
S2.1 calculates pitch-row by shoulder height, blasthole diameter, explosive density with explosive specific charge;
For s2.2 according to step baseplane, the pitch-row determined with previous step will equidistantly push away generation blasthole cloth in step top of the slope contour line
Boost line is put, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3 is in the steel for shot boost line that previous step generates, etc. the coordinate position that array pitch intercepts each blasthole center successively,
Until every steel for shot boost line completes this operation, all blasthole center position coordinates are preserved;
S3:Centered on step S2 generates blasthole center position coordinates, voronoi grids are generated to burst region, by grid
Intersect generation voronoi bodies with quick-fried area's point cloud DEM along blasthole axial tension, each voronoi bodies are that each blasthole is born
Volume, further calculate the explosive payload of each blasthole, including following sub-step:
s3.1:To the burst region baseplane containing blasthole coordinate, voronoi grids are generated centered on blasthole coordinate;
s3.2:DEM is generated according to the burst region of input point cloud, by voronoi grids along blasthole axial tension and quick-fried area's point cloud
The intersecting generation voronoi bodies of DEM, calculate each voronoi bodies volume and preserve;
s3.3:Make to multiply with explosive specific charge with each voronoi bodies volume, calculate the explosive payload of each blasthole;
S4:Their projection coordinates on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center,
Each blasthole length value is calculated using two coordinate values and blasthole ultra-deep value;
S5:Corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then grown with blasthole
Degree and loaded length value calculate each blast hole stemming length, and preserve result of calculation;
S6:Collect blasthole centre coordinate value, corresponding hole charge, blasthole length and stemming length, output blasting parameter collects
Table.
2. air bench blasting intellectualized design method as claimed in claim 1, it is characterised in that:Blasthole described in step S2 is certainly
Dynamic arrangement is realized as follows:
Pitch-row is calculated with explosive specific charge by shoulder height, blasthole diameter, explosive density, the step bottom generated according to step s1.1
Plane;The pitch-row determined with step s2.1 will equidistantly push away generation steel for shot boost line, Zhi Daobu in step top of the slope contour line
Full whole burst region baseplane, is dismissed beyond baseplane with outer portion;In the steel for shot boost line of step s2.2 generations,
Etc. the coordinate position that array pitch intercepts each blasthole center successively, until every steel for shot boost line completes this operation, preservation institute
There are blasthole center position coordinates, all blasthole center position coordinates on burst region baseplane finally projected into quick-fried area's point cloud,
Projection of the blasthole center position coordinates on quick-fried area's point cloud is blasthole final position coordinate.
3. air bench blasting intellectualized design method as claimed in claim 1, it is characterised in that:Each big gun described in step S3
It is as follows that the explosive payload automatic and accurate in hole calculates realization:
To the burst region baseplane containing blasthole coordinate, voronoi grids are generated centered on blasthole coordinate;According to input
Burst region point cloud generates DEM, and voronoi grids are intersected to generation voronoi along blasthole axial tension with quick-fried area's point cloud DEM
Body, calculate each voronoi bodies volume;Make to multiply with explosive specific charge with each voronoi bodies volume, calculate the powder charge of each blasthole
Amount.
4. air bench blasting intellectualized design method as claimed in claim 1, it is characterised in that:Each blasthole length
Automatic and accurate is calculated as follows:
Their projection coordinates on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center, utilized
Two coordinate values and blasthole ultra-deep value calculate each blasthole length value.
5. the air bench blasting intellectualized design method as described in claim 1 or 2 or 4, it is characterised in that:According to continuous coupling
Attach together medicine principle and calculate corresponding blast hole projectile filling length using each hole charge, then it is poor with blasthole length and loaded length value work
Calculate each blast hole stemming length.
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CN106327579B (en) * | 2016-08-12 | 2019-01-15 | 浙江科技学院 | Multiplanar imaging integration technology based on BIM realizes Tunnel Blasting quality method for digitizing |
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Address after: 550002, 14 floor, Fu Zhong commercial building, No. 102 Xinhua Road, Nanming District, Guiyang, Guizhou. Patentee after: Poly Xinlian Blasting Engineering Group Co., Ltd. Address before: 550002, 14 floor, Fu Zhong commercial building, No. 102 Xinhua Road, Nanming District, Guiyang, Guizhou. Patentee before: Guizhou Xinlian Blasting Engineering Group Co., Ltd. |