CN107421404A - The method and device of Dynamic-Static effect relation ratio in a kind of acquisition blast process - Google Patents

The method and device of Dynamic-Static effect relation ratio in a kind of acquisition blast process Download PDF

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CN107421404A
CN107421404A CN201710846396.5A CN201710846396A CN107421404A CN 107421404 A CN107421404 A CN 107421404A CN 201710846396 A CN201710846396 A CN 201710846396A CN 107421404 A CN107421404 A CN 107421404A
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test specimen
blasthole
fracture damage
closure
damage area
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CN107421404B (en
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王雁冰
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • F42D3/04Particular applications of blasting techniques for rock blasting
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

Embodiments of the invention disclose a kind of method and device for obtaining Dynamic-Static effect relation ratio in blast process, are related to blasting technique, can lift the efficiency using explosive energy.The method of Dynamic-Static effect relation ratio includes in the acquisition blast process:Obtain the paired test specimen with identical blast hole depth;Identical dose and respectively connection detonation wire are respectively charged into the test specimen in pairs;The blasthole of a test specimen in the test specimen in pairs is blocked, the blasthole of another test specimen does not block;Detonate the paired test specimen, it is determined that detonating successfully, obtains the volume in the test specimen fracture damage area in pairs after detonation respectively, the volume in the fracture damage area based on acquisition calculates Dynamic-Static effect relation ratio.

Description

The method and device of Dynamic-Static effect relation ratio in a kind of acquisition blast process
Technical field
The present invention relates to blasting technique, more particularly to a kind of method for obtaining Dynamic-Static effect relation ratio in blast process And device.
Background technology
It is construction operation technology hand important in civil construction field that blasting technique is used in engineering explosion work progress Section, existing theory of blasting is thought, in the blasting process of rock, stress wave cooperatively forms explosion crack with explosion gas, It is as caused by Explosive stress wave and detonation gas collective effect, i.e., after explosive charge, produces Explosive stress wave and detonation gas, The formation in initial crack is as caused by Explosive stress wave (action is used) in rock mass, and subsequent detonation gas wedging is by quick-fried object The crack originally formed, and under quasi-static pressure (quiet effect) effect, the crack for making to be formed by Explosive stress wave is further expanded Exhibition, ultimately result in the broken of rock.But because the transient state of blast, dynamic and static two kinds of effects mix, it is difficult to blast The quasi-static pressure of stress wave and detonation gas carries out independent research.Thus, how by the action of Explosive stress wave use and The quasistatic effect relative separation of detonation gas is opened, so that it is determined that the two effect ratio for each being played in blasting rock-broken, right In effectively utilizing explosive energy, ensureing blasting quality, lift blasting efficiency and improve efficiency of construction important in inhibiting.
The content of the invention
In view of this, the embodiment of the present invention provide it is a kind of obtain blast process in Dynamic-Static effect relation ratio method and Device, the efficiency using explosive energy can be lifted, Dynamic-Static effect relation ratio can not be obtained to solve existing explosive method The problem of causing explosive energy effectively to utilize low and blasting efficiency relatively low.
In a first aspect, the embodiment of the present invention provides a kind of method for obtaining Dynamic-Static effect relation ratio in blast process, bag Include:
Obtain the paired test specimen with identical blast hole depth;
Identical dose and respectively connection detonation wire are respectively charged into the test specimen in pairs;
The blasthole of a test specimen in the test specimen in pairs is blocked, the blasthole of another test specimen does not block;
Detonate the paired test specimen, it is determined that detonating successfully, obtains the test specimen fracture damage area in pairs after detonation respectively Volume, the volume in the fracture damage area based on acquisition calculates Dynamic-Static effect relation ratio.
With reference in a first aspect, in the first embodiment of first aspect, the test specimen selects the poly- methyl of lucite Methyl acrylate is made, and is cylindrical, and blasthole is laid at cylindrical center.
With reference in a first aspect, in second of embodiment of first aspect, the examination in the test specimen in pairs The blasthole of part, which carries out closure, to be included:
The plasticine for being moistened with glue is filled in the blasthole of the test specimen in the test specimen in pairs, with to being remained after loading explosive Remaining blasthole carries out whole closure.
With reference to the first or second of embodiment of first aspect, first aspect, in the third implementation of first aspect In mode, the volume for obtaining the test specimen fracture damage area in pairs after detonating respectively includes:
The paired test specimen after detonation is scanned in CT Real Time Image Systems successively, obtains scan slice;
Calculate the area in fracture damage area in every scan slice;
The area in the fracture damage area based on calculating, each scan slice corresponding to the test specimen of statistics closure blasthole is broken respectively The cumulative volume of damage zone is split, and, count without the fracture damage area of each scan slice corresponding to the test specimen of blasthole closure Cumulative volume.
It is described to calculate often in the 4th kind of embodiment of first aspect with reference to the third embodiment of first aspect Opening the area in fracture damage area in scan slice includes:
According to intensity value ranges corresponding to the fracture damage area pre-set, Matlab programmed methods, statistics scanning are utilized Picture area corresponding to intensity value ranges described in section.
With reference to the third embodiment of first aspect, in the 5th kind of embodiment of first aspect, the statistics envelope The cumulative volume in the fracture damage area of each scan slice includes corresponding to the test specimen of stifled blasthole:
Obtain the area in the fracture damage area of each scan slice corresponding to the test specimen of closure blasthole;
The product of the area in the fracture damage area of scan slice and the thickness of the scan slice is calculated, obtains the scan slice The volume in fracture damage area, ask for it is described closure blasthole test specimen corresponding to all scan slices fracture damage area volume it With, obtain it is described closure blasthole test specimen corresponding to each scan slice fracture damage area cumulative volume.
With reference to the first or second of embodiment of first aspect, first aspect, in the 6th kind of implementation of first aspect In mode, the volume in the fracture damage area based on acquisition, which calculates Dynamic-Static effect relation ratio, to be included:
The cumulative volume for calculating the fracture damage area of each scan slice corresponding to the test specimen of the closure blasthole does not enter with described The difference of the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of row blasthole closure;
Calculate the fracture damage area of the difference each scan slice corresponding with the test specimen without blasthole closure The business of cumulative volume, obtain the Dynamic-Static effect relation ratio.
Second aspect, the embodiment of the present invention provide a kind of device for obtaining Dynamic-Static effect relation ratio in blast process, bag Include:Paired test specimen acquisition module, detonation setup module, closure processing module and ratio computing module, wherein,
Paired test specimen acquisition module, for obtaining the paired test specimen with identical blast hole depth;
Detonation setup module, for being respectively charged into identical dose and respectively connection detonation wire in the test specimen in pairs;
Processing module is blocked, for being blocked to the blasthole of the test specimen in the test specimen in pairs, the big gun of another test specimen Hole does not block;
Ratio computing module, for the paired test specimen that detonates, it is determined that detonate successfully, obtain respectively after detonation it is described into To the volume in test specimen fracture damage area, the volume in the fracture damage area based on acquisition calculates Dynamic-Static effect relation ratio.
With reference to second aspect, in the first embodiment of second aspect, the test specimen selects the poly- methyl of lucite Methyl acrylate is made, and is cylindrical, and blasthole is laid at cylindrical center.
With reference to second aspect, in second of embodiment of second aspect, the closure processing module includes:At first Unit and second processing unit are managed, wherein,
First processing units, the plasticine for glue is filled in the blasthole of the test specimen in the test specimen in pairs, with right Remaining blasthole carries out whole closure after loading explosive;
Second processing unit, for being handled without closure the blasthole of a test specimen.
A kind of method and device for obtaining Dynamic-Static effect relation ratio in blast process provided in an embodiment of the present invention, leads to Cross and obtain the paired test specimen with identical blast hole depth;Identical dose is respectively charged into the test specimen in pairs and is connected respectively Quick-fried wire;The blasthole of a test specimen in the test specimen in pairs is blocked, the blasthole of another test specimen does not block;Detonate it is described into To test specimen, it is determined that detonating successfully, the volume in the test specimen fracture damage area in pairs after detonation is obtained respectively, it is broken based on acquisition The volume for splitting damage zone calculates Dynamic-Static effect relation ratio, can lift the efficiency using explosive energy, existing quick-fried to solve Fried method can not obtain the problem of Dynamic-Static effect relation ratio causes explosive energy effectively to utilize low and blasting efficiency relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the method flow schematic diagram that embodiments of the invention one obtain Dynamic-Static effect relation ratio in blast process;
Fig. 2 is embodiments of the invention test specimen structural representation;
Fig. 3 is the apparatus structure schematic diagram that embodiments of the invention two obtain Dynamic-Static effect relation ratio in blast process.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its Its embodiment, belongs to the scope of protection of the invention.
Analysis shows, detonation stresses wave propagation characteristic differ greatly with detonation gas propagation characteristic:Explosive stress wave is necessary Propagate in media as well, spread speed in solids is more much faster than the spread speed in gas, moreover, stress wave is in vacuum In do not propagate, after the explosive charge in rock, stress wave can be propagated with spherical shape into surrounding rock mass;And detonation gas is made Exist for a kind of material, the place relatively low to pressure and resistance is moved.Thus, in the present embodiment, passed based on Explosive stress wave The difference of characteristic and detonation gas propagation characteristic is broadcast to obtain Dynamic-Static effect relation ratio in blast process, due to detonation gas ,, can if not blocking blasthole detonating charge during drill eye blasting with being moved to the relatively low place of pressure and resistance With detonation gas caused by thinking to explode along blasthole direction spread when, any resistance will not be formed on blasthole direction, all along Blasthole direction is overflowed, and only surplus Explosive stress wave produces destruction to rock mass;If block blasthole detonating charge, Explosive stress wave Play broken rock effect jointly with detonation gas.Therefore, it is possible to studied by way of blocking blasthole and not blocking blasthole quick-fried Dynamic-Static effect relation ratio during fried.
Fig. 1 is the method flow schematic diagram that embodiments of the invention one obtain Dynamic-Static effect relation ratio in blast process, As shown in figure 1, the method for the present embodiment can include:
Step 101, the paired test specimen with identical blast hole depth is obtained;
In the present embodiment, as an alternative embodiment, the quantity of paired test specimen can be one or more pairs of, and each pair is tried in pairs Part is just the same, can be with identical between multipair test specimen, can also be different., can be to same if multipair test specimen is just the same Dynamic-Static effect relation ratio carries out comprehensive statistics analysis in blast process under part;If multipair test specimen differs, can study Dynamic-Static effect relation ratio in blast process under different condition.
In the present embodiment, as an alternative embodiment, test specimen from lucite polymethyl methacrylate (PMMA, Polymethyl methacrylate) make, PMMA is a kind of brittle transparent material, so may be easy to observe broken inside it Split damage field.
In the present embodiment, as an alternative embodiment, test specimen is cylindrical, and blasthole is laid at cylindrical center.When So, in practical application, or other shapes, for example, cuboid, spheroidal etc., the present embodiment is not construed as limiting to this.
In the present embodiment, sample dimensions meet industrial electronic computed tomography (CT, Computed Tomography) Imaging test system requirements, and make it possible to be loaded on testing machine.As an alternative embodiment, sample dimensions:Φ25mm× 50mm, i.e. cylinder diameter are 25mm, are highly 50mm.
Fig. 2 is embodiments of the invention test specimen structural representation.Referring to Fig. 2, in the present embodiment, as an optional implementation Example, in the upper surface circle centre position of cylindrical specimen, in axial direction extends to drilling depth 25mm in axis body, diameter 3mm blasthole.
Step 102, identical dose and respectively connection detonation wire are respectively charged into the test specimen in pairs;
In the present embodiment, load a little explosive into two blastholes respectively.Due to being simulation explosion, for blast hole projectile filling It is it is required that as follows:
(1) dose is as far as possible few, can ignite;
(2) scope in fracture damage area is without departing from cylinder.
In the present embodiment, as an alternative embodiment, explosive selects lead azide single chmical compound explosive, explosive payload 20mg, dress Medicine length is 5mm.
Step 103, the blasthole of the test specimen in the test specimen in pairs is blocked, the blasthole of another test specimen does not block;
In the present embodiment, as an alternative embodiment, closure bag is carried out to the blasthole of the test specimen in the test specimen in pairs Include:
The plasticine for being moistened with glue is filled in the blasthole of the test specimen in the test specimen in pairs, with to being remained after loading explosive Remaining blasthole carries out whole closure.
Step 104, detonate the paired test specimen, it is determined that detonating successfully, obtains the test specimen in pairs after detonation respectively and breaks The volume of damage zone is split, the volume in the fracture damage area based on acquisition calculates Dynamic-Static effect relation ratio.
In the present embodiment, detonate 2 test specimens successively.As an alternative embodiment, it is determined that detonating successfully includes:
If the fracture damage area after detonation is without departing from cylinder, it is determined that detonating successfully.
In the present embodiment, as an alternative embodiment, the test specimen fracture damage area in pairs after detonation is obtained respectively Volume includes:
A11, the paired test specimen after detonation is scanned in CT Real Time Image Systems successively, obtains scan slice;
In the present embodiment, as an alternative embodiment, it is the height of test specimen to scan as swept-volume, the thickness of each scan slice The business of degree scan slice quantity corresponding with the test specimen.
In the present embodiment, it is real-time that the test specimen after destruction is taken into ACTIS300-320/225CT/DR high resolution industrial CTs It is scanned in imaging system, by using CT Real Time Image Systems, " swept-volume " is carried out to test specimen.As an optional implementation Example, for a standard specimen, using 1000 CT sections (scan slice) can be generated after " swept-volume ", with foregoing test specimen Highly it is thickness h=50mm/1000=50gm of every scan slice exemplified by 50mm.
A12, calculate the area in fracture damage area in every scan slice;
In the present embodiment, as an alternative embodiment, calculating the area in fracture damage area in every scan slice includes:
According to intensity value ranges corresponding to the fracture damage area pre-set, Matlab programmed methods, statistics scanning are utilized Picture area corresponding to intensity value ranges described in section.
In the present embodiment, as an alternative embodiment, the gray value of CT images is between 0~16, according to advance analysis Research, it is fracture damage area to set region of the gray value more than 0, with Matlab programmed methods, counts gray value in scan slice Region area more than 0.
A13, the area in the fracture damage area based on calculating, each scan slice corresponding to the test specimen of closure blasthole is counted respectively Fracture damage area cumulative volume, and, count without blasthole closure test specimen corresponding to each scan slice fracture damage The cumulative volume in area.
In the present embodiment, if the multipair test specimen in pairs for carrying out having identical dimensions and identical explosive payload rises simultaneously Quick-fried, then statistics blocks the gross area in the fracture damage area of total scan slice corresponding to multiple test specimens of blasthole respectively, and, statistics Without the gross area in the fracture damage area of total scan slice corresponding to multiple test specimens of blasthole closure.
In the present embodiment, as an alternative embodiment, the rupture of each scan slice corresponding to the test specimen of statistics closure blasthole The cumulative volume of damage zone includes:
Obtain the area in the fracture damage area of each scan slice corresponding to the test specimen of closure blasthole;
The product of the area in the fracture damage area of scan slice and the thickness of the scan slice is calculated, obtains the scan slice The volume in fracture damage area, ask for it is described closure blasthole test specimen corresponding to all scan slices fracture damage area volume it With, obtain it is described closure blasthole test specimen corresponding to each scan slice fracture damage area cumulative volume.
In the present embodiment, as an alternative embodiment, calculate each scanning corresponding to the test specimen of closure blasthole using following formula and cut The cumulative volume in the fracture damage area of piece:
In formula,
ViFor the cumulative volume in the fracture damage area of each scan slice corresponding to i-th of test specimen;
SijFor the area in the fracture damage area of j-th of scan slice in i-th of test specimen;
hijFor the thickness of j-th of scan slice in i-th of test specimen;
N is the number for the scan slice that i-th of test specimen is cut into.
In the present embodiment, as an alternative embodiment, the volume in the fracture damage area based on acquisition calculates Dynamic-Static effect and closed It is that ratio includes:
The cumulative volume for calculating the fracture damage area of each scan slice corresponding to the test specimen of the closure blasthole does not enter with described The difference of the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of row blasthole closure;
Calculate the fracture damage area of the difference each scan slice corresponding with the test specimen without blasthole closure The business of cumulative volume, obtain the Dynamic-Static effect relation ratio.
In the present embodiment, as an alternative embodiment, Dynamic-Static effect relation ratio is calculated using following formula:
In formula,
ξ is Dynamic-Static effect relation ratio;
VfdTo block the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of blasthole;
VbfdThe cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen that is blocked without blasthole.
In the present embodiment, fracture damage volume caused by stress wave activity is without each corresponding to the test specimen of blasthole closure Cumulative volume (the V in the fracture damage area of scan slicebfd), caused by Explosive stress wave and detonation gas play broken rock effect jointly Fracture damage volume is the cumulative volume (V in the fracture damage area of each scan slice corresponding to the test specimen of closure blastholefd), then quick-fried anger Fracture damage volume caused by body acts on is that Explosive stress wave and detonation gas play fracture damage caused by broken rock effect jointly Difference (the V of volume and fracture damage volume caused by stress wave activityfd-Vbfd)。
In the present embodiment, during drill eye blasting, based on not blocking blasthole detonating charge, it is believed that be only stress Ripple effect causes fracture damage;And block blasthole detonating charge, it is believed that be that Explosive stress wave and detonation gas play jointly Broken rock effect causes fracture damage.Thus, in the case of other parameters identical, by blocking blasthole and not blocking blasthole Mode is detonated, respectively fracture damage volume corresponding to acquisition, so as to be ground using the fracture damage volume obtained respectively Dynamic-Static effect relation ratio in blast process is studied carefully, so as to which the action of Explosive stress wave be acted on the quasistatic with detonation gas Relative separation is opened, and can determine the two effect ratio each played in blasting rock-broken respectively, for effectively utilizing explosive energy Amount, ensure blasting quality, lift blasting efficiency and improve efficiency of construction important in inhibiting.
Fig. 3 is the apparatus structure schematic diagram that embodiments of the invention two obtain Dynamic-Static effect relation ratio in blast process, As shown in figure 3, the device of the present embodiment can include:Paired test specimen acquisition module 31, detonation setup module 32, closure processing mould Block 33 and ratio computing module 34, wherein,
Paired test specimen acquisition module 31, for obtaining the paired test specimen with identical blast hole depth;
In the present embodiment, as an alternative embodiment, test specimen is made from lucite polymethyl methacrylate, for circle Cylinder shape, blasthole is laid at cylindrical center.As an alternative embodiment, sample dimensions:Φ 25mm × 50mm, i.e. cylinder A diameter of 25mm, it is highly 50mm.
In the present embodiment, as an alternative embodiment, in the upper surface circle centre position of cylindrical specimen, in axial direction extend to Drilling depth 25mm, diameter 3mm blasthole in axis body.
Detonation setup module 32, led for being respectively charged into identical dose in the test specimen in pairs and connecting detonation respectively Line;
In the present embodiment, as an alternative embodiment, explosive selects lead azide single chmical compound explosive, explosive payload 20mg, dress Medicine length is 5mm.
Processing module 33 is blocked, for being blocked to the blasthole of the test specimen in the test specimen in pairs, another test specimen Blasthole does not block;
In the present embodiment, as an alternative embodiment, closure processing module 33 includes:At first processing units and second Unit (not shown) is managed, wherein,
First processing units, the plasticine for glue is filled in the blasthole of the test specimen in the test specimen in pairs, with right Remaining blasthole carries out whole closure after loading explosive;
Second processing unit, for being handled without closure the blasthole of a test specimen.
Ratio computing module 34, for the paired test specimen that detonates, it is determined that detonating successfully, obtain respectively described after detonation The volume in paired test specimen fracture damage area, the volume in the fracture damage area based on acquisition calculate Dynamic-Static effect relation ratio.
In the present embodiment, if detonation after fracture damage area without departing from cylinder, it is determined that detonating successfully.
In the present embodiment, as an alternative embodiment, ratio computing module 34 includes:Determining unit, damage zone volume obtain Unit and ratio computing unit (not shown) are taken, wherein,
Determining unit, for the paired test specimen that detonates, it is determined that detonating successfully, notify damage zone volume acquiring unit;
Damage zone volume acquiring unit, for successively being swept the paired test specimen after detonation in CT Real Time Image Systems Retouch, obtain scan slice;Calculate the area in fracture damage area in every scan slice;The face in the fracture damage area based on calculating Product, respectively statistics closure blasthole test specimen corresponding to each scan slice fracture damage area cumulative volume, and, count without The cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of blasthole closure;
In the present embodiment, as an alternative embodiment, calculating the area in fracture damage area in every scan slice includes:
According to intensity value ranges corresponding to the fracture damage area pre-set, Matlab programmed methods, statistics scanning are utilized Picture area corresponding to intensity value ranges described in section.
In the present embodiment, as another alternative embodiment, each scan slice corresponding to the test specimen of the statistics closure blasthole The cumulative volume in fracture damage area include:
Obtain the area in the fracture damage area of each scan slice corresponding to the test specimen of closure blasthole;
The product of the area in the fracture damage area of scan slice and the thickness of the scan slice is calculated, obtains the scan slice The volume in fracture damage area, ask for it is described closure blasthole test specimen corresponding to all scan slices fracture damage area volume it With, obtain it is described closure blasthole test specimen corresponding to each scan slice fracture damage area cumulative volume.
In the present embodiment, as an alternative embodiment, calculate each scanning corresponding to the test specimen of closure blasthole using following formula and cut The cumulative volume in the fracture damage area of piece:
In formula,
ViFor the cumulative volume in the fracture damage area of each scan slice corresponding to i-th of test specimen;
SijFor the area in the fracture damage area of j-th of scan slice in i-th of test specimen;
hijFor the thickness of j-th of scan slice in i-th of test specimen;
N is the number for the scan slice that i-th of test specimen is cut into.
Ratio computing unit, the volume for the fracture damage area based on acquisition calculate Dynamic-Static effect relation ratio.
In the present embodiment, as an alternative embodiment, ratio computing unit includes:Mathematic interpolation subelement and ratio meter Operator unit, wherein,
Mathematic interpolation subelement, for calculating the fracture damage area of each scan slice corresponding to the test specimen of the closure blasthole Cumulative volume and the cumulative volume in the fracture damage area of the corresponding each scan slice of test specimen without blasthole closure difference;
Ratio computation subunit, for calculating, the difference is corresponding with the test specimen without blasthole closure respectively to be scanned The business of the cumulative volume in the fracture damage area of section, obtain the Dynamic-Static effect relation ratio.
In the present embodiment, as an alternative embodiment, Dynamic-Static effect relation ratio is calculated using following formula:
In formula, ξ is Dynamic-Static effect relation ratio;
VfdTo block the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of blasthole;
VbfdThe cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen that is blocked without blasthole.
The device of the present embodiment, it can be used for the technical scheme for performing embodiment of the method shown in Fig. 1 and Fig. 2, it realizes former Reason is similar with technique effect, and here is omitted.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include Intrinsic key element.In the absence of more restrictions, the key element limited by sentence " including one ... ", it is not excluded that Other identical element in the process including the key element, method, article or equipment also be present.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment Divide mutually referring to what each embodiment stressed is the difference with other embodiment.
For device embodiment, because it is substantially similar to embodiment of the method, so the comparison of description is simple Single, the relevent part can refer to the partial explaination of embodiments of method.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following:Electricity with one or more wiring Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.
In the above-described embodiment, multiple steps or method can use storage to be performed in memory and by suitable instruction The software or firmware that system performs are realized.If for example, being realized with hardware, with another embodiment, can use Any one of following technology well known in the art or their combination are realized:With for realizing logic work(to data-signal The discrete logic of the logic gates of energy, there is the application specific integrated circuit of suitable combinational logic gate circuit, programmable gate Array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
For convenience of description, it is to be divided into various units/modules with function to describe respectively to describe apparatus above.Certainly, exist The function of each unit/module can be realized in same or multiple softwares and/or hardware when implementing of the invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can Realized by the mode of software plus required general hardware platform.Based on such understanding, technical scheme essence On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are causing a computer equipment (can be personal computer, server, either network equipment etc.) performs some of each embodiment of the present invention or embodiment Method described in part.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (10)

  1. A kind of 1. method for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that including:
    Obtain the paired test specimen with identical blast hole depth;
    Identical dose and respectively connection detonation wire are respectively charged into the test specimen in pairs;
    The blasthole of a test specimen in the test specimen in pairs is blocked, the blasthole of another test specimen does not block;
    Detonate the paired test specimen, it is determined that detonating successfully, obtains the body in the test specimen fracture damage area in pairs after detonation respectively Product, the volume in the fracture damage area based on acquisition calculate Dynamic-Static effect relation ratio.
  2. 2. the method according to claim 1 for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that institute State test specimen to make from lucite polymethyl methacrylate, be cylindrical, blasthole is laid at cylindrical center.
  3. 3. the method according to claim 1 for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that institute State and closure is carried out to the blasthole of the test specimen in test specimen in pairs included:
    The plasticine for being moistened with glue is filled in the blasthole of the test specimen in the test specimen in pairs, with to remaining after filling explosive Blasthole carries out whole closure.
  4. 4. the method for obtaining Dynamic-Static effect relation ratio in blast process according to any one of claims 1 to 3, it is special Sign is that the volume for obtaining the test specimen fracture damage area in pairs after detonating respectively includes:
    The paired test specimen after detonation is scanned in CT Real Time Image Systems successively, obtains scan slice;
    Calculate the area in fracture damage area in every scan slice;
    The rupture damage of the area in the fracture damage area based on calculating, respectively each scan slice corresponding to the test specimen of statistics closure blasthole Hinder the cumulative volume in area, and, count the totality without the fracture damage area of each scan slice corresponding to the test specimen of blasthole closure Product.
  5. 5. the method according to claim 4 for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that institute Stating the area in fracture damage area in every scan slice of calculating includes:
    According to intensity value ranges corresponding to the fracture damage area pre-set, using Matlab programmed methods, scan slice is counted Described in picture area corresponding to intensity value ranges.
  6. 6. the method according to claim 4 for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that institute Stating the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of statistics closure blasthole includes:
    Obtain the area in the fracture damage area of each scan slice corresponding to the test specimen of closure blasthole;
    The product of the area in the fracture damage area of scan slice and the thickness of the scan slice is calculated, obtains the rupture of the scan slice The volume of damage zone, the volume sum in the fracture damage area of all scan slices corresponding to the test specimen of the closure blasthole is asked for, Obtain the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of the closure blasthole.
  7. 7. the method for obtaining Dynamic-Static effect relation ratio in blast process according to any one of claims 1 to 3, it is special Sign is that the volume in the fracture damage area based on acquisition, which calculates Dynamic-Static effect relation ratio, to be included:
    Calculate it is described closure blasthole test specimen corresponding to each scan slice fracture damage area cumulative volume with it is described without big gun The difference of the cumulative volume in the fracture damage area of each scan slice corresponding to the test specimen of hole closure;
    Calculate the totality in the fracture damage area of the difference each scan slice corresponding with the test specimen without blasthole closure Long-pending business, obtain the Dynamic-Static effect relation ratio.
  8. A kind of 8. device for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that including:Paired test specimen obtains Module, detonation setup module, closure processing module and ratio computing module, wherein,
    Paired test specimen acquisition module, for obtaining the paired test specimen with identical blast hole depth;
    Detonation setup module, for being respectively charged into identical dose and respectively connection detonation wire in the test specimen in pairs;
    Processing module is blocked, for being blocked to the blasthole of the test specimen in the test specimen in pairs, the blasthole of another test specimen is not Closure;
    Ratio computing module, for the paired test specimen that detonates, it is determined that detonating successfully, the examination in pairs after detonation is obtained respectively The volume in part fracture damage area, the volume in the fracture damage area based on acquisition calculate Dynamic-Static effect relation ratio.
  9. 9. the device according to claim 8 for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that institute State test specimen to make from lucite polymethyl methacrylate, be cylindrical, blasthole is laid at cylindrical center.
  10. 10. the device according to claim 8 for obtaining Dynamic-Static effect relation ratio in blast process, it is characterised in that institute Stating closure processing module includes:First processing units and second processing unit, wherein,
    First processing units, the plasticine for glue is filled in the blasthole of the test specimen in the test specimen in pairs, with to loading Remaining blasthole carries out whole closure after explosive;
    Second processing unit, for being handled without closure the blasthole of a test specimen.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109187239A (en) * 2018-10-16 2019-01-11 中国矿业大学(北京) A kind of experimental provision and method for studying detonation gas pressure rock breaking mechanism
CN109975141A (en) * 2019-04-11 2019-07-05 中国矿业大学(北京) A kind of Experiment Analysis System and method for test specimen strain in blasting process
CN112880496A (en) * 2021-01-20 2021-06-01 中国矿业大学(北京) Test piece structure and method for researching crack propagation rule driven by water coupling blasting
CN114544706A (en) * 2022-01-18 2022-05-27 中国矿业大学(北京) Experimental system and method for measuring explosive product energy distribution proportion relation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104614260A (en) * 2015-01-27 2015-05-13 中国矿业大学(北京) Method and system for obtaining detonation gas pressure effect data
CN104833280A (en) * 2015-05-18 2015-08-12 中国矿业大学(北京) Experimental cartridge and device for separation explosion stress wave and detonation gas

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104614260A (en) * 2015-01-27 2015-05-13 中国矿业大学(北京) Method and system for obtaining detonation gas pressure effect data
CN104833280A (en) * 2015-05-18 2015-08-12 中国矿业大学(北京) Experimental cartridge and device for separation explosion stress wave and detonation gas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨仁树等: "爆炸应力波与爆生气体对被爆介质作用效应研究", 《岩石力学与工程学报》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109187239A (en) * 2018-10-16 2019-01-11 中国矿业大学(北京) A kind of experimental provision and method for studying detonation gas pressure rock breaking mechanism
CN109187239B (en) * 2018-10-16 2020-11-03 中国矿业大学(北京) Experimental device and method for researching explosive gas pressure rock breaking mechanism
CN109975141A (en) * 2019-04-11 2019-07-05 中国矿业大学(北京) A kind of Experiment Analysis System and method for test specimen strain in blasting process
CN112880496A (en) * 2021-01-20 2021-06-01 中国矿业大学(北京) Test piece structure and method for researching crack propagation rule driven by water coupling blasting
CN114544706A (en) * 2022-01-18 2022-05-27 中国矿业大学(北京) Experimental system and method for measuring explosive product energy distribution proportion relation

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