CN102564251A - Single-hole continuous initiation method of electronic detonators in tunnel - Google Patents
Single-hole continuous initiation method of electronic detonators in tunnel Download PDFInfo
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- CN102564251A CN102564251A CN2011103790982A CN201110379098A CN102564251A CN 102564251 A CN102564251 A CN 102564251A CN 2011103790982 A CN2011103790982 A CN 2011103790982A CN 201110379098 A CN201110379098 A CN 201110379098A CN 102564251 A CN102564251 A CN 102564251A
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Abstract
The invention relates to a single-hole continuous initiation method of electronic detonators in a tunnel, which relates to the field of drilling and blasting construction of the tunnel and underground engineering. With the adoption of the single-hole continuous initiation method, the problems of blasting vibration, shock wave, flying stones, high noise and large harms to the stability of tunnel surrounding rock, nearby buildings and people by the blasting method in prior arts are solved. The method comprises the following steps: numbering blast holes of a tunnel face; loading the electronic detonators in the blast holes; and setting a delay time according to the level of the surrounding rock. The vibration generated by blasting is reduced by 60% to 80% when compared with a conventional method, and the single-hole continuous initiation method has wide application prospect in blasting construction of city tunnel and underground engineering.
Description
Technical field
Tunnel and underground engineering construction of explosion.
Technical background
At present; The Tunnel Blasting method of ignition is carried out elementary errors controlled blasting for adopting Nonel detonator; Because Nonel detonator just is provided with the defer time of detonator when dispatching from the factory, and type is few, a plurality of boreholes detonate simultaneously when causing the Tunnel Blasting big gun; The blasting vibration, shock wave, slungshot, the noise that produce like this are big, and the harm that the stability of tunnel surrounding, near building and people are caused is big.
Summary of the invention
Technical problem to be solved by this invention is, blasting vibration, shock wave, slungshot, noise that existing Tunnel Blasting big gun produces are big, the big problem of harm that the stability of tunnel surrounding, near building and people are caused.
The present invention solves the technical scheme of its technical problem:
Tunneling electron detonator single hole successively initiated method, this method may further comprise the steps:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, N row limit portion avalanche eye, base plate eye, M row top avalanche eye, periphery hole; N=1,2,3,4,5, M=1,2,3,4,5;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber, six of each levels; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry;
N row limit portion avalanche eye, every row limit portion avalanche eye are divided into the borehole that two groups of quantity equate, arrange with tunnel center line axial symmetry;
The base plate eye is arranged with tunnel center line axial symmetry;
M row top avalanche eye be divided into from bottom to top the first row top avalanche eye, the second row top avalanche eye ..., M row top avalanche eye; Every row top avalanche eye is arranged with tunnel center line axial symmetry;
Periphery hole is arranged with tunnel center line axial symmetry;
Give the numbering of the borehole in the step 1:
In the tunnel center line left side borehole be numbered the order odd number, center line right side borehole is numbered the order even number in the tunnel.
The numbering of every grade of snubber: with tunnel center line left side nethermost first snubber of first row is the initial odd-numbered eye of No. 1 snubber of the first order; With center line right side, tunnel nethermost first snubber of first row is the initial even-numbered eyes of No. 2 snubbers of the first order;, and the like to No. 6 snubbers of the first order; The numbering of second level snubber to third level snubber is identical with first order snubber method for numbering serial.
Being numbered of every row limit portion's avalanche eye: with tunnel center line left side nethermost first limit portion avalanche eye of first row is the initial odd-numbered eye of No. 1 limit portion of first row avalanche eye; Be numbered the initial even-numbered eye of No. 2 limit portions of first row avalanche eye with the nethermost limit of row, center line right side, tunnel first portion avalanche eye; The numbering of avalanche eye to the N row limit portion of secondary series limit portion avalanche eye is identical with the first row limit portion avalanche eye method for numbering serial.
The numbering of tunnel floor eye: first base plate eye with tunnel center line left side is No. 1 initial odd-numbered eye of base plate eye; First base plate eye with center line right side, tunnel is No. 2 initial even-numbered eyes of base plate eye.
Being numbered of every row top avalanche eye: the first row top avalanche eye is No. 1 initial odd-numbered eye of top avalanche eye of first row with first top avalanche eye of tunnel center line left side; First top avalanche eye of center line right side, tunnel is No. 2 initial even-numbered eyes of top avalanche eye of first row; The numbering of second row top avalanche eye to the M row top avalanche eye is identical with the first row top avalanche eye method for numbering serial.
The numbering of tunnel perimeter eye: first periphery hole with tunnel center line left side is No. 1 initial odd-numbered eye of periphery hole; First periphery hole with center line right side, tunnel is No. 2 initial even-numbered eyes of periphery hole.
The detonator of step 2 adopts electric detonator, according to the country rock rank delay time of electric detonator is set, when tunnel surrounding is I level or II level.
The delay time of the electric detonator in No. 1 snubber of the first order is 0ms; The delay time of the electric detonator in No. 2 snubbers of the first order is 2ms; The delay time of the electric detonator in No. 3 snubbers of the first order is 4ms; The delay time of the electric detonator in other numbers of first order snubber increases 2ms in order successively.
The delay time of the electric detonator in No. 1 snubber in the second level is that the delay time of electric detonator in the borehole that detonates at last of first order snubber adds 30ms; The delay time of the electric detonator in No. 2 snubbers in the second level is that the delay time of the electric detonator in No. 1 snubber in the second level adds 3ms; The delay time of the electric detonator in No. 3 snubbers in the second level is that the delay time of the electric detonator in No. 2 snubbers in the second level adds 3ms; The delay time of the electric detonator in other numbers of second level snubber increases 3ms in order successively.
The delay time of the electric detonator in No. 1 snubber of the third level is that the delay time of electric detonator in the borehole that detonates at last of second level snubber adds 30ms; The delay time of the electric detonator in No. 2 snubbers of the third level is that the delay time of the electric detonator in No. 1 snubber of the third level adds 4ms; The delay time of the electric detonator in No. 3 snubbers of the third level is that the delay time of the electric detonator in No. 2 snubbers of the third level adds 4ms; The delay time of the electric detonator in other numbers of third level snubber increases 4ms in order successively.
The delay time of No. 1 limit portion of first row avalanche intraocular electric detonator is that the delay time of electric detonator in the borehole that detonates at last of third level snubber adds 30ms; The delay time of No. 2 limit portions of first row avalanche intraocular electric detonator is that the delay time of No. 1 limit portion of first row avalanche intraocular electric detonator adds 5ms; Then, increase 5ms in order successively; The delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator is that the delay time of electric detonator in the borehole that detonates at last of the first row limit portion avalanche eye adds 30ms; The delay time of No. 2 limit portions of secondary series avalanche intraocular electric detonator is that the delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator adds 5ms, increases 5ms in order successively; The delay time of the limit portion avalanche intraocular electric detonator of other row is identical with the method to set up of the delay time of the first row limit portion avalanche intraocular electric detonator.
No. 1 base plate intraocular electric detonator delay time adds 30ms for the limit portion avalanche intraocular electric detonator delay time that detonates at last; The delay time that No. 2 base plate intraocular electric detonator delay times are No. 2 base plate intraocular electric detonators adds 5ms then, increases 5ms in order successively.
No. 1 top avalanche intraocular electric detonator delay time of first row adds 30ms for the base plate intraocular electric detonator delay time that detonates at last; No. 2 top avalanche intraocular electric detonator delay times of first row are that No. 1 top avalanche intraocular electric detonator delay time of first row adds 5ms; Then, increase 5ms in order successively; No. 1 top avalanche intraocular electric detonator delay time of second row is that the interior electric detonator delay time of borehole that the first row top avalanche eye detonates at last adds 30ms; No. 2 top avalanche intraocular electric detonator delay times of second row are that No. 1 top avalanche intraocular electric detonator delay time of second row adds 5ms; Then, increase 5ms in order successively; The delay time of other rows' top avalanche intraocular electric detonator is identical with the method to set up of the delay time of the first row top avalanche intraocular electric detonator.
The delay time of electric detonator is that the delay time of electric detonator in the borehole that detonates at last of top avalanche eye adds 30ms in No. 1 periphery hole; The electric detonator delay time is that the delay time of electric detonator adds 2ms in No. 1 periphery hole in No. 2 periphery holes; Then, increase 2ms in order successively.
When tunnel surrounding is the III level:
The electric detonator time delay interval time is 3ms in the first order snubber; The electric detonator time delay interval time is 4ms in the snubber of the second level; The electric detonator time delay interval time is 5ms in the third level snubber; Same column limit portion avalanche eye, base plate eye, same row's top avalanche intraocular electric detonator time delay interval time are 6ms; The electric detonator time delay interval time is 2ms in the periphery hole.The electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the first order snubber that detonates at last in No. 1 snubber in the second level.The electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the second level snubber that detonates at last in No. 1 snubber of the third level.
No. 1 limit portion of first row avalanche intraocular electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the third level snubber that detonates at last; No. 1 limit portion of secondary series avalanche intraocular electric detonator delay time is spaced apart 40ms with the first row limit portion avalanche intraocular electric detonator delay time that detonates at last; Delay time is 40ms at interval between every row limit portion avalanche eye.
The limit portion avalanche intraocular electric detonator delay time that detonates at last of No. 1 base plate intraocular electric detonator delay time and last row is spaced apart 40ms.
No. 1 top avalanche intraocular electric detonator delay time of first row is spaced apart 40ms with the base plate intraocular electric detonator delay time that detonates at last.No. 1 limit portion avalanche intraocular electric detonator delay time of second row is spaced apart 40ms with the first row top avalanche intraocular electric detonator delay time that detonates at last; Delay time is 40ms at interval between every row top avalanche eye.
Electric detonator delay time and last row's the top avalanche intraocular electric detonator delay time that detonates at last is spaced apart 40ms in No. 1 periphery hole.
When tunnel surrounding is IV level or V level:
The electric detonator time delay interval time is 4ms in the first order snubber; The electric detonator time delay interval time is 5ms in the snubber of the second level; The electric detonator time delay interval time is 6ms in the third level snubber; Same column limit portion avalanche eye, base plate eye, same row's top avalanche intraocular electric detonator time delay interval time are 7ms; The electric detonator time delay interval time is 2ms in the periphery hole.The electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the first order snubber that detonates at last in No. 1 snubber in the second level.The electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the second level snubber that detonates at last in No. 1 snubber of the third level.
No. 1 limit portion of first row avalanche intraocular electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the third level snubber that detonates at last; No. 1 limit portion of secondary series avalanche intraocular electric detonator delay time is spaced apart 50ms with the first row limit portion avalanche intraocular electric detonator delay time that detonates at last; Delay time is 50ms at interval between every row limit portion avalanche eye.
The limit portion avalanche intraocular electric detonator delay time that detonates at last of No. 1 base plate intraocular electric detonator delay time and last row is spaced apart 50ms.
No. 1 top avalanche intraocular electric detonator delay time of first row is spaced apart 50ms with the base plate intraocular electric detonator delay time that detonates at last.No. 1 limit portion avalanche intraocular electric detonator delay time of second row is spaced apart 50ms with the first row top avalanche intraocular electric detonator delay time that detonates at last; Delay time is 50ms at interval between every row top avalanche eye.
Electric detonator delay time and last row's the top avalanche intraocular electric detonator delay time that detonates at last is spaced apart 50ms in No. 1 periphery hole.
The present invention compares the beneficial effect that is had with prior art:
Adopt tunneling electron detonator single hole successively initiated method; The Tunnel Blasting vibration reduces more than 60～80%; Blasting impact ripple, slungshot, noise are reduced to minimum level simultaneously, can guarantee construction tunnel and near buildings or structures, people's safety, and the Tunnel Blasting construction speed is fast; The construction totle drilling cost significantly reduces, and in the blast working of metropolitan district tunnel and underground engineering, is with a wide range of applications.
Description of drawings
Borehole layout drawing on Fig. 1 tunnel tunnel face.
The specific embodiment
Embodiment one
Tunneling electron detonator single hole successively initiated method, this method may further comprise the steps:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, N row limit portion avalanche eye, base plate eye, M row top avalanche eye, periphery hole; N=1,2,3,4,5, M=1,2,3,4,5;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber, six of each levels; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry;
N row limit portion avalanche eye, every row limit portion avalanche eye are divided into the borehole that two groups of quantity equate, arrange with tunnel center line axial symmetry;
The base plate eye is arranged with tunnel center line axial symmetry;
M row top avalanche eye be divided into from bottom to top the first row top avalanche eye, the second row top avalanche eye ..., M row top avalanche eye; Every row top avalanche eye is arranged with tunnel center line axial symmetry;
Periphery hole is arranged with tunnel center line axial symmetry;
Give the numbering of the borehole in the step 1:
In the tunnel center line left side borehole be numbered the order odd number, center line right side borehole is numbered the order even number in the tunnel.
The numbering of every grade of snubber: with tunnel center line left side nethermost first snubber of first row is the initial odd-numbered eye of No. 1 snubber of the first order; With center line right side, tunnel nethermost first snubber of first row is the initial even-numbered eyes of No. 2 snubbers of the first order;, and the like to No. 6 snubbers of the first order; The numbering of second level snubber to third level snubber is identical with first order snubber method for numbering serial.
Being numbered of every row limit portion's avalanche eye: with tunnel center line left side nethermost first limit portion avalanche eye of first row is the initial odd-numbered eye of No. 1 limit portion of first row avalanche eye; Be numbered the initial even-numbered eye of No. 2 limit portions of first row avalanche eye with the nethermost limit of row, center line right side, tunnel first portion avalanche eye; The numbering of avalanche eye to the N row limit portion of secondary series limit portion avalanche eye is identical with the first row limit portion avalanche eye method for numbering serial.
The numbering of tunnel floor eye: first base plate eye with tunnel center line left side is No. 1 initial odd-numbered eye of base plate eye; First base plate eye with center line right side, tunnel is No. 2 initial even-numbered eyes of base plate eye.
Being numbered of every row top avalanche eye: the first row top avalanche eye is No. 1 initial odd-numbered eye of top avalanche eye of first row with first top avalanche eye of tunnel center line left side; First top avalanche eye of center line right side, tunnel is No. 2 initial even-numbered eyes of top avalanche eye of first row; The numbering of second row top avalanche eye to the M row top avalanche eye is identical with the first row top avalanche eye method for numbering serial.
The numbering of tunnel perimeter eye: first periphery hole with tunnel center line left side is No. 1 initial odd-numbered eye of periphery hole; First periphery hole with center line right side, tunnel is No. 2 initial even-numbered eyes of periphery hole.
The detonator of step 2 adopts electric detonator, according to the country rock rank delay time of electric detonator is set, when tunnel surrounding is I level or II level.
The delay time of the electric detonator in No. 1 snubber of the first order is 0ms; The delay time of the electric detonator in No. 2 snubbers of the first order is 2ms; The delay time of the electric detonator in No. 3 snubbers of the first order is 4ms; The delay time of the electric detonator in other numbers of first order snubber increases 2ms in order successively.The delay time of the electric detonator in No. 1 snubber in the second level is that the delay time of electric detonator in the borehole that detonates at last of first order snubber adds 30ms; The delay time of the electric detonator in No. 2 snubbers in the second level is that the delay time of the electric detonator in No. 1 snubber in the second level adds 3ms; The delay time of the electric detonator in No. 3 snubbers in the second level is that the delay time of the electric detonator in No. 2 snubbers in the second level adds 3ms; The delay time of the electric detonator in other numbers of second level snubber increases 3ms in order successively.The delay time of the electric detonator in No. 1 snubber of the third level is that the delay time of electric detonator in the borehole that detonates at last of second level snubber adds 30ms; The delay time of the electric detonator in No. 2 snubbers of the third level is that the delay time of the electric detonator in No. 1 snubber of the third level adds 4ms; The delay time of the electric detonator in No. 3 snubbers of the third level is that the delay time of the electric detonator in No. 2 snubbers of the third level adds 4ms; The delay time of the electric detonator in other numbers of third level snubber increases 4ms in order successively.
The delay time of No. 1 limit portion of first row avalanche intraocular electric detonator is that the delay time of electric detonator in the borehole that detonates at last of third level snubber adds 30ms; The delay time of No. 2 limit portions of first row avalanche intraocular electric detonator is that the delay time of No. 1 limit portion of first row avalanche intraocular electric detonator adds 5ms; Then, increase 5ms in order successively; The delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator is that the delay time of electric detonator in the borehole that detonates at last of the first row limit portion avalanche eye adds 30ms; The delay time of No. 2 limit portions of secondary series avalanche intraocular electric detonator is that the delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator adds 5ms, increases 5ms in order successively; The delay time of the limit portion avalanche intraocular electric detonator of other row is identical with the method to set up of the delay time of the first row limit portion avalanche intraocular electric detonator.
No. 1 base plate intraocular electric detonator delay time adds 30ms for the limit portion avalanche intraocular electric detonator delay time that detonates at last; The delay time that No. 2 base plate intraocular electric detonator delay times are No. 2 base plate intraocular electric detonators adds 5ms then, increases 5ms in order successively.
No. 1 top avalanche intraocular electric detonator delay time of first row adds 30ms for the base plate intraocular electric detonator delay time that detonates at last; No. 2 top avalanche intraocular electric detonator delay times of first row are that No. 1 top avalanche intraocular electric detonator delay time of first row adds 5ms; Then, increase 5ms in order successively; No. 1 top avalanche intraocular electric detonator delay time of second row is that the interior electric detonator delay time of borehole that the first row top avalanche eye detonates at last adds 30ms; No. 2 top avalanche intraocular electric detonator delay times of second row are that No. 1 top avalanche intraocular electric detonator delay time of second row adds 5ms; Then, increase 5ms in order successively; The delay time of other rows' top avalanche intraocular electric detonator is identical with the method to set up of the delay time of the first row top avalanche intraocular electric detonator.
The delay time of electric detonator is that the delay time of electric detonator in the borehole that detonates at last of top avalanche eye adds 30ms in No. 1 periphery hole; The electric detonator delay time is that the delay time of electric detonator adds 2ms in No. 1 periphery hole in No. 2 periphery holes; Then, increase 2ms in order successively.
When tunnel surrounding is the III level:
The electric detonator time delay interval time is 3ms in the first order snubber; The electric detonator time delay interval time is 4ms in the snubber of the second level; The electric detonator time delay interval time is 5ms in the third level snubber; Same column limit portion avalanche eye, base plate eye, same row's top avalanche intraocular electric detonator time delay interval time are 6ms; The electric detonator time delay interval time is 2ms in the periphery hole.
The electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the first order snubber that detonates at last in No. 1 snubber in the second level.
The electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the second level snubber that detonates at last in No. 1 snubber of the third level.
No. 1 limit portion of first row avalanche intraocular electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the third level snubber that detonates at last; No. 1 limit portion of secondary series avalanche intraocular electric detonator delay time is spaced apart 40ms with the first row limit portion avalanche intraocular electric detonator delay time that detonates at last; Delay time is 40ms at interval between every row limit portion avalanche eye.
The limit portion avalanche intraocular electric detonator delay time that detonates at last of No. 1 base plate intraocular electric detonator delay time and last row is spaced apart 40ms.
No. 1 top avalanche intraocular electric detonator delay time of first row is spaced apart 40ms with the base plate intraocular electric detonator delay time that detonates at last.
No. 1 limit portion avalanche intraocular electric detonator delay time of second row is spaced apart 40ms with the first row top avalanche intraocular electric detonator delay time that detonates at last; Delay time is 40ms at interval between every row top avalanche eye.
Electric detonator delay time and last row's the top avalanche intraocular electric detonator delay time that detonates at last is spaced apart 40ms in No. 1 periphery hole.
When tunnel surrounding is IV level or V level:
The electric detonator time delay interval time is 4ms in the first order snubber; The electric detonator time delay interval time is 5ms in the snubber of the second level; The electric detonator time delay interval time is 6ms in the third level snubber; Same column limit portion avalanche eye, base plate eye, same row's top avalanche intraocular electric detonator time delay interval time are 7ms; The electric detonator time delay interval time is 2ms in the periphery hole.
The electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the first order snubber that detonates at last in No. 1 snubber in the second level.
The electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the second level snubber that detonates at last in No. 1 snubber of the third level.
No. 1 limit portion of first row avalanche intraocular electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the third level snubber that detonates at last; No. 1 limit portion of secondary series avalanche intraocular electric detonator delay time is spaced apart 50ms with the first row limit portion avalanche intraocular electric detonator delay time that detonates at last; Delay time is 50ms at interval between every row limit portion avalanche eye.
The limit portion avalanche intraocular electric detonator delay time that detonates at last of No. 1 base plate intraocular electric detonator delay time and last row is spaced apart 50ms.
No. 1 top avalanche intraocular electric detonator delay time of first row is spaced apart 50ms with the base plate intraocular electric detonator delay time that detonates at last.
No. 1 limit portion avalanche intraocular electric detonator delay time of second row is spaced apart 50ms with the first row top avalanche intraocular electric detonator delay time that detonates at last; Delay time is 50ms at interval between every row top avalanche eye.
Electric detonator delay time and last row's the top avalanche intraocular electric detonator delay time that detonates at last is spaced apart 50ms in No. 1 periphery hole.
Embodiment two
Tunneling electron detonator single hole successively initiated method, this method may further comprise the steps:
Step 1 is by three grades of angled cut method blasthole drillings of tradition, and is as shown in Figure 1: first, second, third grade of snubber, every grade of 6 boreholes; Two row limit portion avalanche eyes, six boreholes of every row; 14 base plate eyes, first and second row's top avalanche eye, quantity is respectively eight, four boreholes; , 26 periphery holes.
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber;
First order snubber: be No. 1 snubber of the first order, be No. 2 snubbers of the first order, be No. 3 snubbers of the first order, be No. 4 snubbers of the first order, be No. 5 snubbers of the first order, be No. 6 snubbers of the first order with the uppermost borehole in center line right side, tunnel with the uppermost borehole in tunnel center line left side with the borehole in the middle of the center line right side, tunnel with the borehole in the middle of the tunnel center line left side with nethermost first snubber in center line right side, tunnel with the nethermost borehole in tunnel center line left side.
Second level snubber: be No. 1 snubber in the second level, be No. 2 snubbers in the second level, be No. 3 snubbers in the second level, be No. 4 snubbers in the second level, be No. 5 snubbers in the second level, be No. 6 snubbers in the second level with the uppermost borehole in center line right side, tunnel with the uppermost borehole in tunnel center line left side with the borehole in the middle of the center line right side, tunnel with the borehole in the middle of the tunnel center line left side with nethermost first borehole in center line right side, tunnel with the nethermost borehole in tunnel center line left side.
Third level snubber: be No. 1 snubber of the third level, be No. 2 snubbers of the third level, be No. 3 snubbers of the third level, be No. 4 snubbers of the third level, be No. 5 snubbers of the third level, be No. 6 snubbers of the third level with the uppermost borehole in center line right side, tunnel with the uppermost borehole in tunnel center line left side with the borehole in the middle of the center line right side, tunnel with the borehole in the middle of the tunnel center line left side with nethermost first borehole in center line right side, tunnel with the nethermost borehole in tunnel center line left side.
The first row limit portion avalanche eye: with the nethermost borehole in tunnel center line left side is No. 1 limit portion of first row avalanche eye; With nethermost first borehole in center line right side, tunnel is No. 2 limit portions of first row avalanche eye; Borehole with in the middle of the tunnel center line left side is No. 3 limit portions of first row avalanche eye; Borehole with in the middle of the center line right side, tunnel is No. 4 limit portions of first row avalanche eye; With the uppermost borehole in tunnel center line left side is No. 5 limit portions of first row avalanche eye; With the uppermost borehole in center line right side, tunnel is No. 6 limit portions of first row avalanche eye.
Secondary series limit portion avalanche eye: with the nethermost borehole in tunnel center line left side is No. 1 limit portion of secondary series avalanche eye; With nethermost first borehole in center line right side, tunnel is No. 2 limit portions of secondary series avalanche eye; Borehole with in the middle of the tunnel center line left side is No. 3 limit portions of a secondary series avalanche eye; Borehole with in the middle of the center line right side, tunnel is No. 4 limit portions of a secondary series avalanche eye; With the uppermost borehole in tunnel center line left side is No. 5 limit portions of secondary series avalanche eye; With the uppermost borehole in center line right side, tunnel is No. 6 limit portions of secondary series avalanche eye.
The tunnel floor eye: first base plate eye with tunnel center line left side is No. 1 base plate eye; First base plate eye with center line right side, tunnel is No. 2 base plate eyes; Second base plate eye with tunnel center line left side is No. 3 base plate eyes; Second base plate eye with center line right side, tunnel is No. 4 base plate eyes; The 3rd base plate eye with tunnel center line left side is No. 5 base plate eyes; The 3rd base plate eye with center line right side, tunnel is No. 6 base plate eyes; The 4th base plate eye with tunnel center line left side is No. 7 base plate eyes; The 4th base plate eye with center line right side, tunnel is No. 8 base plate eyes; The 5th base plate eye with tunnel center line left side is No. 9 base plate eyes; The 5th base plate eye with center line right side, tunnel is No. 10 base plate eyes; The 6th base plate eye with tunnel center line left side is No. 11 base plate eyes; The 6th base plate eye with center line right side, tunnel is No. 12 base plate eyes; The 7th base plate eye with tunnel center line left side is No. 13 base plate eyes; The 7th base plate eye with center line right side, tunnel is No. 14 base plate eyes.
The first row top avalanche eye: with first top avalanche eye of tunnel center line left side is No. 1 top avalanche eye of first row; With first top avalanche eye of center line right side, tunnel is No. 2 top avalanche eyes of first row; With second the top avalanche eye in tunnel center line left side is No. 3 top avalanche eyes of first row; With second the top avalanche in center line right side, tunnel eye is No. 4 top avalanche eyes of first row; With the 3rd the top avalanche eye in tunnel center line left side is No. 5 top avalanche eyes of first row; With the 3rd the top avalanche eye in center line right side, tunnel is No. 6 top avalanche eyes of first row; With the 4th the top avalanche eye in tunnel center line left side is No. 7 top avalanche eyes of first row; With the 4th the top avalanche eye in center line right side, tunnel is No. 8 top avalanche eyes of first row.
The second row top avalanche eye: be No. 1 top avalanche eye of second row, be No. 2 top avalanche eyes of second row, be No. 3 top avalanche eyes of second row, be No. 4 top avalanche eyes of second row with second the top avalanche in center line right side, tunnel eye with second the top avalanche eye in tunnel center line left side with first top avalanche eye of center line right side, tunnel with first top avalanche eye of tunnel center line left side.
Tunnel perimeter eye: be No. 1 periphery hole, be No. 2 periphery holes, be No. 3 periphery holes, be No. 4 periphery holes with second periphery hole on center line right side, tunnel with second periphery hole in tunnel center line left side with first periphery hole on center line right side, tunnel with first periphery hole in tunnel center line left side; By that analogy, the 13 periphery hole with center line right side, tunnel is No. 26 periphery holes
The delay time of the electric detonator in No. 1 snubber of the first order is 0ms; The delay time of the electric detonator in No. 2 snubbers of the first order is 2ms; The delay time of the electric detonator in No. 3 snubbers of the first order is 4ms; The delay time of the electric detonator in No. 4 snubbers of the first order is 6ms, and the delay time of the electric detonator in No. 5 snubbers of the first order is 8ms, and the delay time of the electric detonator in No. 6 snubbers of the first order is 10ms.
The delay time of the electric detonator in No. 1 snubber in the second level is 40ms; The delay time of the electric detonator in No. 2 snubbers of the first order is 43ms; The delay time of the electric detonator in No. 3 snubbers of the first order is 46ms; The delay time of the electric detonator in No. 4 snubbers of the first order is 49ms, and the delay time of the electric detonator in No. 5 snubbers of the first order is 52ms, and the delay time of the electric detonator in No. 6 snubbers of the first order is 55ms.
The delay time of the electric detonator in No. 1 snubber of the third level is 85ms; The delay time of the electric detonator in No. 2 snubbers of the third level is 89ms; The delay time of the electric detonator in No. 3 snubbers of the first order is 93ms; The delay time of the electric detonator in No. 4 snubbers of the first order is 97ms, and the delay time of the electric detonator in No. 5 snubbers of the first order is 101ms, and the delay time of the electric detonator in No. 6 snubbers of the first order is 105ms.
The delay time of No. 1 limit portion of first row avalanche intraocular electric detonator is 135ms; The delay time of No. 2 limit portions of first row avalanche intraocular electric detonator is 140ms; The delay time of No. 3 limit portions of first row avalanche intraocular electric detonator is 145ms; The delay time of No. 4 limit portions of first row avalanche intraocular electric detonator is 150ms, and the delay time of No. 5 limit portions of first row avalanche intraocular electric detonator is 155ms, and the delay time of No. 6 limit portions of first row avalanche intraocular electric detonator is 160ms.
The delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator is 190ms; The delay time of No. 2 limit portions of secondary series avalanche intraocular electric detonator is 195ms; The delay time of No. 3 limit portions of secondary series avalanche intraocular electric detonator is 200ms; The delay time of No. 4 limit portions of secondary series avalanche intraocular electric detonator is 205ms, and the delay time of No. 5 limit portions of secondary series avalanche intraocular electric detonator is 210ms, and the delay time of No. 6 limit portions of secondary series avalanche intraocular electric detonator is 215ms.
In No. 1 sumper the electric detonator delay time be in 245ms, No. 2 sumpers electric detonator delay time be in 250ms, No. 3 sumpers electric detonator delay time be 255ms ..., the electric detonator delay time is 300ms in No. 14 sumpers.
No. 1 top avalanche intraocular electric detonator delay time of first row is 330ms; No. 2 top avalanche intraocular electric detonator delay times of first row are 335ms; No. 3 top avalanche intraocular electric detonator delay times of first row are 340ms; No. 4 top avalanche intraocular electric detonator delay times of first row are 345ms; No. 5 top avalanche intraocular electric detonator delay times of first row are 350ms; No. 6 top avalanche intraocular electric detonator delay times of first row are 355ms; No. 7 top avalanche intraocular electric detonator delay times of first row are 360ms; No. 8 top avalanche intraocular electric detonator delay times of first row are 365ms.
No. 1 top avalanche intraocular electric detonator delay time of second row is that 395ms, No. 2 top avalanche intraocular electric detonator delay times of second row are that 400ms, No. 3 top avalanche intraocular electric detonator delay times of second row are that 405ms, No. 4 top avalanche intraocular electric detonator delay times of second row are 410ms.
In No. 1 periphery hole the electric detonator delay time be in 440ms, No. 2 periphery holes electric detonator delay time be in 442ms, No. 3 periphery holes electric detonator delay time be 444ms ..., the electric detonator delay time is 490ms in No. 26 periphery holes.
Claims (1)
1. tunneling electron detonator single hole successively initiated method, this method may further comprise the steps:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, N row limit portion avalanche eye, base plate eye, M row top avalanche eye, periphery hole; N=1,2,3,4,5, M=1,2,3,4,5;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber, six of each levels; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry;
N row limit portion avalanche eye, every row limit portion avalanche eye are divided into the borehole that two groups of quantity equate, arrange with tunnel center line axial symmetry;
The base plate eye is arranged with tunnel center line axial symmetry;
M row top avalanche eye be divided into from bottom to top the first row top avalanche eye, the second row top avalanche eye ..., M row top avalanche eye; Every row top avalanche eye is arranged with tunnel center line axial symmetry;
Periphery hole is arranged with tunnel center line axial symmetry;
Step 2 is explosive and the detonator borehole of packing into;
Step 3 connects blasting circuit;
The whether conducting of step 4 test blasting circuit;
Step 5 is detonated;
It is characterized in that:
Give the numbering of the borehole in the step 1
In the tunnel center line left side borehole be numbered the order odd number, center line right side borehole is numbered the order even number in the tunnel;
The numbering of every grade of snubber: with tunnel center line left side nethermost first snubber of first row is the initial odd-numbered eye of No. 1 snubber of the first order; With center line right side, tunnel nethermost first snubber of first row is the initial even-numbered eyes of No. 2 snubbers of the first order;, and the like to No. 6 snubbers of the first order; The numbering of second level snubber to third level snubber is identical with first order snubber method for numbering serial;
Being numbered of every row limit portion's avalanche eye: with tunnel center line left side nethermost first limit portion avalanche eye of first row is the initial odd-numbered eye of No. 1 limit portion of first row avalanche eye; Be numbered the initial even-numbered eye of No. 2 limit portions of first row avalanche eye with the nethermost limit of row, center line right side, tunnel first portion avalanche eye; The numbering of avalanche eye to the N row limit portion of secondary series limit portion avalanche eye is identical with the first row limit portion avalanche eye method for numbering serial;
The numbering of tunnel floor eye: first base plate eye with tunnel center line left side is No. 1 initial odd-numbered eye of base plate eye; First base plate eye with center line right side, tunnel is No. 2 initial even-numbered eyes of base plate eye;
Being numbered of every row top avalanche eye: the first row top avalanche eye is No. 1 initial odd-numbered eye of top avalanche eye of first row with first top avalanche eye of tunnel center line left side; First top avalanche eye of center line right side, tunnel is No. 2 initial even-numbered eyes of top avalanche eye of first row; The numbering of second row top avalanche eye to the M row top avalanche eye is identical with the first row top avalanche eye method for numbering serial;
The numbering of tunnel perimeter eye: first periphery hole with tunnel center line left side is No. 1 initial odd-numbered eye of periphery hole; First periphery hole with center line right side, tunnel is No. 2 initial even-numbered eyes of periphery hole;
The detonator of step 2 adopts electric detonator, according to the country rock rank delay time of electric detonator is set, when tunnel surrounding is I level or II level:
The delay time of the electric detonator in No. 1 snubber of the first order is 0ms; The delay time of the electric detonator in No. 2 snubbers of the first order is 2ms; The delay time of the electric detonator in No. 3 snubbers of the first order is 4ms; The delay time of the electric detonator in other numbers of first order snubber increases 2ms in order successively;
The delay time of the electric detonator in No. 1 snubber in the second level is that the delay time of electric detonator in the borehole that detonates at last of first order snubber adds 30ms; The delay time of the electric detonator in No. 2 snubbers in the second level is that the delay time of the electric detonator in No. 1 snubber in the second level adds 3ms; The delay time of the electric detonator in No. 3 snubbers in the second level is that the delay time of the electric detonator in No. 2 snubbers in the second level adds 3ms; The delay time of the electric detonator in other numbers of second level snubber increases 3ms in order successively;
The delay time of the electric detonator in No. 1 snubber of the third level is that the delay time of electric detonator in the borehole that detonates at last of second level snubber adds 30ms; The delay time of the electric detonator in No. 2 snubbers of the third level is that the delay time of the electric detonator in No. 1 snubber of the third level adds 4ms; The delay time of the electric detonator in No. 3 snubbers of the third level is that the delay time of the electric detonator in No. 2 snubbers of the third level adds 4ms; The delay time of the electric detonator in other numbers of third level snubber increases 4ms in order successively;
The delay time of No. 1 limit portion of first row avalanche intraocular electric detonator is that the delay time of electric detonator in the borehole that detonates at last of third level snubber adds 30ms; The delay time of No. 2 limit portions of first row avalanche intraocular electric detonator is that the delay time of No. 1 limit portion of first row avalanche intraocular electric detonator adds 5ms; Then, increase 5ms in order successively; The delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator is that the delay time of electric detonator in the borehole that detonates at last of the first row limit portion avalanche eye adds 30ms; The delay time of No. 2 limit portions of secondary series avalanche intraocular electric detonator is that the delay time of No. 1 limit portion of secondary series avalanche intraocular electric detonator adds 5ms, increases 5ms in order successively; The delay time of the limit portion avalanche intraocular electric detonator of other row is identical with the method to set up of the delay time of the first row limit portion avalanche intraocular electric detonator;
No. 1 base plate intraocular electric detonator delay time adds 30ms for the limit portion avalanche intraocular electric detonator delay time that detonates at last; The delay time that No. 2 base plate intraocular electric detonator delay times are No. 2 base plate intraocular electric detonators adds 5ms then, increases 5ms in order successively;
No. 1 top avalanche intraocular electric detonator delay time of first row adds 30ms for the base plate intraocular electric detonator delay time that detonates at last; No. 2 top avalanche intraocular electric detonator delay times of first row are that No. 1 top avalanche intraocular electric detonator delay time of first row adds 5ms; Then, increase 5ms in order successively; No. 1 top avalanche intraocular electric detonator delay time of second row is that the interior electric detonator delay time of borehole that the first row top avalanche eye detonates at last adds 30ms; No. 2 top avalanche intraocular electric detonator delay times of second row are that No. 1 top avalanche intraocular electric detonator delay time of second row adds 5ms; Then, increase 5ms in order successively; The delay time of other rows' top avalanche intraocular electric detonator is identical with the method to set up of the delay time of the first row top avalanche intraocular electric detonator;
The delay time of electric detonator is that the delay time of electric detonator in the borehole that detonates at last of top avalanche eye adds 30ms in No. 1 periphery hole; The electric detonator delay time is that the delay time of electric detonator adds 2ms in No. 1 periphery hole in No. 2 periphery holes; Then, increase 2ms in order successively;
When tunnel surrounding is the III level:
The electric detonator time delay interval time is 3ms in the first order snubber; The electric detonator time delay interval time is 4ms in the snubber of the second level; The electric detonator time delay interval time is 5ms in the third level snubber; Same column limit portion avalanche eye, base plate eye, same row's top avalanche intraocular electric detonator time delay interval time are 6ms; The electric detonator time delay interval time is 2ms in the periphery hole;
The electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the first order snubber that detonates at last in No. 1 snubber in the second level;
The electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the second level snubber that detonates at last in No. 1 snubber of the third level;
No. 1 limit portion of first row avalanche intraocular electric detonator delay time is spaced apart 40ms with the interior electric detonator delay time of the third level snubber that detonates at last; No. 1 limit portion of secondary series avalanche intraocular electric detonator delay time is spaced apart 40ms with the first row limit portion avalanche intraocular electric detonator delay time that detonates at last; Delay time is 40ms at interval between every row limit portion avalanche eye;
The limit portion avalanche intraocular electric detonator delay time that detonates at last of No. 1 base plate intraocular electric detonator delay time and last row is spaced apart 40ms;
No. 1 top avalanche intraocular electric detonator delay time of first row is spaced apart 40ms with the base plate intraocular electric detonator delay time that detonates at last;
No. 1 limit portion avalanche intraocular electric detonator delay time of second row is spaced apart 40ms with the first row top avalanche intraocular electric detonator delay time that detonates at last; Delay time is 40ms at interval between every row top avalanche eye;
Electric detonator delay time and last row's the top avalanche intraocular electric detonator delay time that detonates at last is spaced apart 40ms in No. 1 periphery hole;
When tunnel surrounding is IV level or V level:
The electric detonator time delay interval time is 4ms in the first order snubber; The electric detonator time delay interval time is 5ms in the snubber of the second level; The electric detonator time delay interval time is 6ms in the third level snubber; Same column limit portion avalanche eye, base plate eye, same row's top avalanche intraocular electric detonator time delay interval time are 7ms; The electric detonator time delay interval time is 2ms in the periphery hole;
The electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the first order snubber that detonates at last in No. 1 snubber in the second level;
The electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the second level snubber that detonates at last in No. 1 snubber of the third level;
No. 1 limit portion of first row avalanche intraocular electric detonator delay time is spaced apart 50ms with the interior electric detonator delay time of the third level snubber that detonates at last; No. 1 limit portion of secondary series avalanche intraocular electric detonator delay time is spaced apart 50ms with the first row limit portion avalanche intraocular electric detonator delay time that detonates at last; Delay time is 50ms at interval between every row limit portion avalanche eye;
The limit portion avalanche intraocular electric detonator delay time that detonates at last of No. 1 base plate intraocular electric detonator delay time and last row is spaced apart 50ms;
No. 1 top avalanche intraocular electric detonator delay time of first row is spaced apart 50ms with the base plate intraocular electric detonator delay time that detonates at last;
No. 1 limit portion avalanche intraocular electric detonator delay time of second row is spaced apart 50ms with the first row top avalanche intraocular electric detonator delay time that detonates at last; Delay time is 50ms at interval between every row top avalanche eye;
Electric detonator delay time and last row's the top avalanche intraocular electric detonator delay time that detonates at last is spaced apart 50ms in No. 1 periphery hole.
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| CN104613830A (en) * | 2014-12-18 | 2015-05-13 | 招金矿业股份有限公司夏甸金矿 | One-time-formed smooth blasting method for laneway |
| CN105115371A (en) * | 2015-09-02 | 2015-12-02 | 中国水利水电第五工程局有限公司 | Split type wedge cut |
| CN108138560A (en) * | 2015-09-30 | 2018-06-08 | 安百拓凿岩有限公司 | For the system and method for drilling plans generation |
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| CN103591859A (en) * | 2012-08-17 | 2014-02-19 | 北京北方邦杰科技发展有限公司 | Method for applying digital electronic detonators |
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| CN104613830B (en) * | 2014-12-18 | 2017-01-18 | 招金矿业股份有限公司夏甸金矿 | One-time-formed smooth blasting method for laneway |
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| CN108138560A (en) * | 2015-09-30 | 2018-06-08 | 安百拓凿岩有限公司 | For the system and method for drilling plans generation |
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