CN110425950A - A kind of nuclear waste disposal channel explosion vibration damping decreasing loss method and vibration monitor system - Google Patents
A kind of nuclear waste disposal channel explosion vibration damping decreasing loss method and vibration monitor system Download PDFInfo
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- CN110425950A CN110425950A CN201910651933.XA CN201910651933A CN110425950A CN 110425950 A CN110425950 A CN 110425950A CN 201910651933 A CN201910651933 A CN 201910651933A CN 110425950 A CN110425950 A CN 110425950A
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- vibration
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Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention relates to a kind of nuclear waste disposal channel explosion vibration damping decreasing loss methods, comprising the following steps: S1, arranges first group of wedged hole in face middle and lower part, is detonated using MS1 sections of millisecond detonators；S2, second group of wedged hole is arranged around first group of wedged hole, using MS5 sections of blasting cap initiations；S3, MS3 sections of blasting cap initiations are used at the top of the straight hole of center in center straight hole bottom using MS7 sections of blasting cap initiations in first group of wedged hole intermediate arrangement, one group of center straight hole；S4, reliever is arranged around second group of wedged hole, in auxiliary Intraocular tamponade segment algorithm；S5, periphery hole is arranged along face contour line, in periphery Intraocular tamponade joint-cutting protecting borehole wall blasting pack；Also disclose its vibration monitor system.The present invention has the advantages that improving driving speed by optimization explosion borehole charging means, controlling rock convergence measure, reduce blasting vibration intensity；It solves the problems, such as that vialog is repeated to lay and be recycled, guarantees the accuracy and integrality of data test.
Description
Technical field
The present invention relates to nuclear waste disposal technical field, especially a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method
And vibration monitor system.
Background technique
Existing blasting scheme is using conventional strabismus or burn cut form, and oscillation intensity is big, and drivage efficiency is low, periphery
Eye uses common smooth blasting method, and generally existing out break phenomenon causes rock convergence measure serious.Existing Blast Vibration Monitoring
The form with pick with survey is generallyd use, measuring point, collection apparatus after explosion, to repeat again before lower separate explosion are arranged before every separate explosion
Secondary arrangement measuring point, there are large labor intensities for this cyclic process, interfere production big drawback.Meanwhile Blasting Vibration Meter connects
Conducting wire is exposed, is easy the destruction by blasting flyrock, leads to test data inaccuracy or imperfect, influences the analysis of follow-up data
And blasting parameters optimization.
Existing nuclear waste disposal passage construction disadvantage:
(1) using conventional medium-length hole Cut Blasting and photoface exploision form, blasting vibration intensity is big, and rock convergence measure is tight
Weight is not able to satisfy the requirement of nuclear waste storage phase；
(2) construction method of the short drilling depth of small pit goaf is used, drivage efficiency is low, long construction period；
(3) often using the method with pick with survey, instrument frequently lays that there are a large amount of repeated labors with removal process；
(4) destruction since vialog connecting wire is exposed, vulnerable to the slungshot that explosion generates；
(5) point layout position is not fixed, and leading to monitoring data, there are deviation, the accuracys of impact analysis result.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of nuclear waste disposal channel explosion vibration damping decreasing loss
Method and vibration monitor system.
The purpose of the present invention is achieved through the following technical solutions: a kind of nuclear waste disposal channel explosion vibration damping decreasing loss side
Method, comprising the following steps:
S1, first group of wedged hole is arranged in face middle and lower part, detonated using MS1 sections of millisecond detonators；
S2, second group of wedged hole is arranged around first group of wedged hole, using MS5 sections of blasting cap initiations；
S3, in first group of wedged hole intermediate arrangement, one group of center straight hole, in center straight hole bottom using MS7 section detonators
It is quick-fried, MS3 sections of blasting cap initiations are used at the top of the straight hole of center；
S4, reliever is arranged around second group of wedged hole, in auxiliary Intraocular tamponade segment algorithm, pass through segment algorithm
It realizes the directional guide to explosive charge energy, forms crackle along adjacent shot hole joint-cutting line orientation preferentially, while auxiliary in every circle
The arch crown part of eye is helped to be equidistantly spaced from vibration isolation emptying aperture；
S5, periphery hole is arranged along face contour line, in periphery Intraocular tamponade joint-cutting protecting borehole wall blasting pack, joint-cutting opening
It is opened up according to face outline excavation, the targeted release of explosive energy is reached using the energy directional guiding function of joint-cutting, formed
Smooth excavated section profile；Using the good slow vibration energy absorption characteristics of retaining wall material, reduces detonation stresses wave direction and retain country rock body
In propagation.
Further, the joint-cutting angle of segment algorithm and the outline direction of reliever are identical in reliever.
Further, the joint-cutting protecting borehole wall blasting pack in periphery hole fills explosive, direction towards the one side on the inside of excavation face
One side on the outside of non-excavation face fills padded coaming.
Further, the padded coaming is the combination of polyurethane foam, soft silica gel or both.
Further, segment algorithm uses MS9 sections of millisecond detonators, MS11 sections of millisecond detonators, MS13 sections of milliseconds in reliever
Detonator is jumped section and is used.
Further, the joint-cutting protecting borehole wall blasting medicine in periphery hole is using MS15 sections of millisecond detonator detonations.
A kind of vibration monitor system of nuclear waste disposal channel explosion vibration damping decreasing loss, before explosion, respectively along the arch in channel
Waist and the multiple vibration measuring units of vault linear arrangement, the vibration measuring unit include protective housing, Blasting Vibration Meter, configuration power supply and vibration measuring
Probe, the Blasting Vibration Meter and the power supply are respectively and fixedly installed to the inside of protective housing, and the vibration measuring probe passes through clip
It is fixed at smooth palisades surface, the signal output end of the vibration measuring probe and the signal input part of Blasting Vibration Meter connect.
Further, the power supply is customization explosion-proof lithium battery.
Further, the protective housing includes cabinet and case lid, and the Blasting Vibration Meter and the power supply fix peace respectively
Mounted in box inside, the case lid is hingedly mounted on cabinet, and equipped with case lid can be locked on cabinet on case lid
Safety lock.
Further, the bottom of the cabinet is open form and is fixed with stabilizer blade in surrounding, and the stabilizer blade passes through expansion
Screw, which is fixed on, excavates channel palisades surface.
The invention has the following advantages that
1, explosion vibration damping decreasing loss method and vibration monitor system can effectively be overcome by optimizing explosion borehole charging means
The drawback that blasting efficiency existing for existing method is low, rock convergence measure is serious, improves driving speed, controls rock convergence measure, subtracts
Small blasting vibration intensity.Using integrated Blast Vibration Monitoring method, solve the problems, such as that vialog is repeated to lay and be recycled,
Avoid destruction of the slungshot to the exposed connecting wire of vialog during previous blast monitoring, guarantee data test accuracy and
Integrality.
2, the explosion of medium-length hole snubber is segmented using collimation eye+double-wedge sublevel, increases single cycle drilling depth, improves logical
Road drivage efficiency.
3, it using joint-cutting explosion+emptying aperture vibration isolation reliever explosion, weakens and is propagated in stress wave direction reservation country rock body, reduced
Blasting vibration intensity.
4, using joint-cutting+retaining wall periphery hole explosion, the damage of peripheral rock body is reduced, effectively controls all edge forming matter
Amount, forms smooth outline excavation face.
5, using integrated point layout, vialog, sensor and connecting wire is focused in protective housing, avoided
Destruction of the blasting flyrock to vibration measuring conducting wire.
6, it overcomes with pick with the defect for surveying blast monitoring method, avoids the repeated labor that measuring point is frequently laid and recycled
It is dynamic, improve the precision of acquisition data.
7, it by being periodically replaced to the rechargeable type explosion-proof lithium battery in protective housing, realizes blasting vibration and continues not
Interruption monitoring, ensure that the integrality of batch monitoring data.
Detailed description of the invention
Fig. 1 is that explosion borehole in channel of the invention arranges front schematic view；
Fig. 2 is that explosion borehole in channel of the invention arranges vertical face schematic diagram；
Fig. 3 is that collimation eye of the invention+double-wedge sublevel is segmented medium-length hole blasting schematic diagram；
Fig. 4 is the sectional view of reliever of the invention；
Fig. 5 is the sectional view of periphery hole of the invention；
Fig. 6 is that measuring point value arrangement map is tunneled in channel of the invention；
Fig. 7 is the structural schematic diagram of vibration measuring unit of the invention；
In figure: 1- protective housing, 1a- cabinet, 1b- case lid, 2- Blasting Vibration Meter, 3- configure power supply, 4- vibration measuring probe, 5- branch
Foot, A- periphery hole joint-cutting, B- reliever joint-cutting, a- explosive, b- padded coaming.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figures 1 to 5, a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method, comprising the following steps:
S1, first group of wedged hole is arranged in face middle and lower part, detonated using MS1 sections of millisecond detonators, in Fig. 1, number 3
It is first group of wedged hole to number 8；
S2, second group of wedged hole is arranged around first group of wedged hole, using MS5 sections of blasting cap initiations, in Fig. 1, compile
Numbers 9 to number 16 be second group of wedged hole；
S3, in first group of wedged hole intermediate arrangement, one group of center straight hole, in center straight hole bottom using MS7 section detonators
It is quick-fried, MS3 sections of blasting cap initiations are used at the top of the straight hole of center, in Fig. 1, number 1 and number 2 are center straight hole；
S4, reliever is arranged around second group of wedged hole, in auxiliary Intraocular tamponade segment algorithm, pass through segment algorithm
It realizes the directional guide to explosive charge energy, forms crackle along adjacent shot hole joint-cutting line orientation preferentially, while auxiliary in every circle
The arch crown part of eye is helped to be equidistantly spaced from vibration isolation emptying aperture, the joint-cutting angle of segment algorithm and the outline of reliever in reliever
Direction is identical, in Fig. 1, number 22 to number 87 be reliever, wherein number 28 to number 33, number 45 to number 54, volume
Numbers 69 to number 87 be vibration isolation emptying aperture, remaining auxiliary Intraocular tamponade segment algorithm；As shown in figure 4, being reliever joint-cutting at B in figure
Position, a are explosive, and the opening direction of reliever joint-cutting B decides the release direction of explosive energy, and it is fixed to play guidance explosive energy
To the effect of release；
S5, periphery hole is arranged along face contour line, in periphery Intraocular tamponade joint-cutting protecting borehole wall blasting pack, joint-cutting opening
It is opened up according to area facial contour, the targeted release of explosive energy is reached using the energy directional guiding function of joint-cutting, formed smooth
Excavated section profile reduce detonation stresses wave direction and retain in country rock body using the good slow vibration energy absorption characteristics of retaining wall material
It propagates.Wherein, the joint-cutting protecting borehole wall blasting pack in periphery hole fills explosive a towards the one side on the inside of excavation face, and direction is not opened
One side on the outside of digging face fills padded coaming b, it is further preferable that the padded coaming b is polyurethane foam, soft silica gel or both
Combination, the joint-cutting protecting borehole wall blasting medicine in periphery hole is detonated using MS15 section millisecond detonators, in Fig. 1, number 88 to number 121
For periphery hole.In Fig. 5, in figure at A be periphery hole lancing location, a is explosive, and b is padded coaming.
This method propose collimation eye+double-wedge multi-step piecewise gradient medium-length hole Cut Blasting forms, give full play to folding wedge
The respective advantage of shape angled cut and burn cut, forms ideal slotting slot cavity body, is the smooth of subsequent reliever and periphery hole
Detonation and catalase provide Free up Memory, and two groups of wedged holes form sublevel segment blast effect, intermediate ultra-deep straight hole segmentation
The purpose for expanding vallecular cavity is played, single cycle drilling depth is improved.Reliever uses segment algorithm and arch with special angle
Vibration damping emptying aperture form realizes the directional guide to explosive charge energy by segment algorithm, along adjacent shot hole joint-cutting line direction
Crackle is preferentially formed, discharges explosive energy towards reservation adjoining rock stability direction is conducive to, stress wave direction is reduced and retains country rock side
To propagation.Meanwhile it being equidistantly spaced from vibration isolation emptying aperture in the arch of every circle reliever, reduce blasting vibration intensity, the present embodiment
It is middle that section use is jumped using MS9, MS11, MS13 according to circle number detonator.Periphery hole, which is used, has special angle along design profile direction
With the customization joint-cutting protecting borehole wall blasting pack of padded coaming b (polyurethane foam, soft silica gel etc.), joint-cutting angle should be disconnected according to channel
Face and profile open up, and the targeted release of explosive energy is reached using the energy directional guiding function of joint-cutting, form smooth excavation
Profiled outline reduces surrounding country rock bulk damage；The energy absorption having the function of using padded coaming b reduces detonation stresses wave direction
Retain and propagated in country rock body, reduces blasting vibration intensity.This method be suitable for detonator section not Feng Fu, the hard rock lane of no Gas
(logical) road, channel layout angle and water burst in face situation have certain influence to the actual implementation of the program, and joint-cutting opens up angle
It to be adjusted accordingly according to digging laneway profiled outline.
As shown in Figure 6 and Figure 7, a kind of vibration monitor system of nuclear waste disposal channel explosion vibration damping decreasing loss, before explosion,
Respectively along the multiple vibration measuring units of haunch and vault linear arrangement in channel, the vibration measuring unit includes protective housing 1, Blasting Vibration Meter
2, power supply 3 and vibration measuring probe 4 are configured, the Blasting Vibration Meter 2 and the configuration power supply 3 are respectively and fixedly installed to protective housing 1
Inside, vibration measuring probe 4 are fixed at smooth palisades surface by clip, the signal output end of the vibration measuring probe 4 and
The signal input part of Blasting Vibration Meter 2 connects.
In the present embodiment, the configuration power supply 3 is customization explosion-proof lithium battery.The spare lithium of high capacity being equipped with by replacement
Battery can realize the long-term uninterrupted monitoring of blasting vibration, overcome measuring point during previous Blast Vibration Monitoring frequently lay,
The imperfect defect of the discontinuous caused data information acquisition of the drawbacks of instrument manual recovery and monitoring process.
In the present embodiment, the protective housing 1 includes cabinet 1a and case lid 1b, the Blasting Vibration Meter 2 and the configuration
Power supply 3 is respectively and fixedly installed on the inside of cabinet 1a, and the case lid 1b is hingedly mounted on cabinet 1a, and on case lid 1b equipped with
The safety lock that case lid 1b can be locked on cabinet 1a.Protective housing 1 has latch functions, can beat on and off by private key
Protective cover plate before protective housing 1 is closed, realizes that vibration measurement instrument monitors system integration, conducting wire is arranged in protective housing 1, to avoid
Destruction of the blasting flyrock to instrument laying wire.
In the present embodiment, the bottom of the cabinet 1a is open form and is fixed with stabilizer blade 5, the stabilizer blade 5 in surrounding
It is fixed on by swell fixture and excavates channel palisades surface.
Haunch and vault difference 5 measuring points of linear arrangement according to monitoring and data analysis requirements along channel (distinguish by number
For 1#~5#, 6#~10#), replacing lithium battery power supply can realize that channel blasting vibration uninterruptedly monitors for a long time, realize data oneself
Dynamic acquisition storing process, is convenient for ensuing blast parameter optimization and analysis.
It 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 variations, modification, replacement can be carried out to these embodiments 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 (10)
1. a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method, it is characterised in that: the following steps are included:
S1, first group of wedged hole is arranged in face middle and lower part, detonated using MS1 sections of millisecond detonators；
S2, second group of wedged hole is arranged around first group of wedged hole, using MS5 sections of blasting cap initiations；
S3, in first group of wedged hole intermediate arrangement, one group of center straight hole, use MS7 sections of blasting cap initiations, In in center straight hole bottom
MS3 sections of blasting cap initiations are used at the top of the straight hole of center；
S4, reliever is arranged around second group of wedged hole, in auxiliary Intraocular tamponade segment algorithm, realized by segment algorithm
To the directional guide of explosive charge energy, crackle is formed along adjacent shot hole joint-cutting line orientation preferentially, while in every circle reliever
Arch crown part be equidistantly spaced from vibration isolation emptying aperture；
S5, periphery hole is arranged along face contour line, in periphery Intraocular tamponade joint-cutting protecting borehole wall blasting pack, joint-cutting opening basis
Area facial contour opens up, and the targeted release of explosive energy is reached using the energy directional guiding function of joint-cutting, forms smooth open
Profiled outline is dug, using the good slow vibration energy absorption characteristics of retaining wall material, reduces the propagation in detonation stresses wave direction reservation country rock body.
2. a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method according to claim 1, it is characterised in that: reliever
The joint-cutting angle of interior segment algorithm and the outline direction of reliever are identical.
3. a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method according to claim 1, it is characterised in that: periphery hole
Interior joint-cutting protecting borehole wall blasting pack fills explosive towards the one side on the inside of excavation face, and the one side filling on the outside of the non-excavation face of direction is slow
Rush material.
4. a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method according to claim 3, it is characterised in that: described slow
Rush the combination that material is polyurethane foam, soft silica gel or both.
5. a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method according to claim 1 or 2, it is characterised in that: auxiliary
Intraocular segment algorithm is helped to jump section using MS9 sections of millisecond detonators, MS11 sections of millisecond detonators, MS13 sections of millisecond detonators and use.
6. a kind of nuclear waste disposal channel explosion vibration damping decreasing loss method according to claim 1 or 3, it is characterised in that: week
The intraocular joint-cutting protecting borehole wall blasting medicine in side is using MS15 sections of millisecond detonator detonations.
7. a kind of vibration monitor system of nuclear waste disposal channel explosion vibration damping decreasing loss, it is characterised in that: before explosion, edge respectively
The multiple vibration measuring units of haunch and vault linear arrangement in channel, the vibration measuring unit include protective housing, Blasting Vibration Meter, configuration electricity
Source and vibration measuring probe, the Blasting Vibration Meter and the power supply are respectively and fixedly installed to the inside of protective housing, the vibration measuring probe
It is fixed on by clip at smooth palisades surface, the signal output end of the vibration measuring probe and the signal of Blasting Vibration Meter input
End connection.
8. a kind of vibration monitor system of nuclear waste disposal channel explosion vibration damping decreasing loss according to claim 7, feature
Be: the power supply is customization explosion-proof lithium battery.
9. a kind of vibration monitor system of nuclear waste disposal channel explosion vibration damping decreasing loss according to claim 7, feature
Be: the protective housing includes cabinet and case lid, and the Blasting Vibration Meter and the power supply are respectively and fixedly installed to box inside,
The case lid is hingedly mounted on cabinet, and equipped with the safety lock that can be locked in case lid on cabinet on case lid.
10. a kind of vibration monitor system of nuclear waste disposal channel explosion vibration damping decreasing loss according to claim 9, feature
Be: the bottom of the cabinet is open form and is fixed with stabilizer blade in surrounding, and the stabilizer blade is fixed on out by swell fixture
It digs through on palisades surface.
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| CN201910651933.XA CN110425950A (en) | 2019-07-18 | 2019-07-18 | A kind of nuclear waste disposal channel explosion vibration damping decreasing loss method and vibration monitor system |
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Application publication date: 20191108 |