CN102494573B - Tunnel electronic detonator mounting, connecting and detonating method - Google Patents
Tunnel electronic detonator mounting, connecting and detonating method Download PDFInfo
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- CN102494573B CN102494573B CN 201110387185 CN201110387185A CN102494573B CN 102494573 B CN102494573 B CN 102494573B CN 201110387185 CN201110387185 CN 201110387185 CN 201110387185 A CN201110387185 A CN 201110387185A CN 102494573 B CN102494573 B CN 102494573B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000005422 blasting Methods 0.000 claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 238000010304 firing Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 11
- 239000002360 explosive Substances 0.000 claims description 7
- 230000005641 tunneling Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007796 conventional method Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005465 channeling Effects 0.000 abstract 1
- 230000006855 networking Effects 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
A tunnel electronic detonator mounting, connecting and detonating method relates to the field of tunnel and underground engineering drilling and blasting construction and solves the problems of the existing mounting, connecting and detonating method that the operation is complicated, the time is wasted, workers on site can not control the method easily, and the promotion is difficult. According to the method, electronic detonators are classified and then numbered according to the classification, and the delay time is set. Only small quantity of channeling type electronic detonators are mounted according to numbers, and edge avalanching type electronic detonators, bottom plate type electronic detonators, upper part avalanching type electronic detonators and periphery type electronic detonators are all mounted according to sections and do not need to be mounted according to numbers. The mounting, connecting and detonating method is simple, easy to be mastered by the workers, and has wide application prospect in the tunnel electronic detonator initiating, and compared with the time needed by the existing electronic detonator mounting, connecting and initiating method, the time needed by the tunnel electronic detonator mounting, connecting and detonating method is reduced by more than 60%.
Description
Technical field
Tunnel and underground engineering construction of explosion.
Technical background
Electric detonator is a kind of up-to-date initiating equipment, and electric detonator is not provided with delay time when dispatching from the factory, and its delay time can be provided with arbitrarily according to on-the-spot tunnel surrounding situation.
At present, the installation of tunneling electron detonator connects the program of detonating and is:
1. blasthole drilling on tunnel tunnel face;
2. number to the borehole on the tunnel tunnel face;
3. the time is numbered and be provided with to the electric detonator that will use to Tunnel Blasting;
4. numbering the principle that is complementary according to tunnel borehole numbering and electric detonator is installed on electric detonator in the borehole on the tunnel tunnel face;
5. by parallel way, the electric detonator on the tunnel tunnel face is linked to be blasting circuit;
6. test blasting circuit;
7. charge, detonate to blasting circuit.
The numbering of the electric detonator that must will use according to borehole numbering on the tunnel tunnel face and Tunnel Blasting in the above-mentioned electric detonator installation process principle that is complementary is installed, and the process of installation is very complicated and consuming time, and field worker is difficult for grasp, and the popularization difficulty is big.
Summary of the invention
Technical problem to be solved by this invention is that the existing installation complicated operation that connects the method for ignition, consuming time, field worker are difficult for grasping, promoting the big problem of difficulty.
The present invention solves the technical scheme of its technical problem:
The tunneling electron detonator is installed and is connected the method for ignition, and this method may further comprise the steps:
Step 1 is by three grades of angled cut method blasthole drillings of tradition: snubber, about each N row limit portion avalanche eye, base plate eye, M row top avalanche eye, periphery hole; N=1,2,3,4 or 5, M=1,2,3,4 or 5;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber, every grade of six boreholes; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry;
Limit portion avalanche eye is arranged with tunnel center line axial symmetry, about each N row limit portion avalanche eye, borehole sum≤5 of every row limit portion avalanche eye, from the tunnel center line nearest one classify the 1st row limit portion avalanche eye as, then, be followed successively by from the near to the remote the 2nd row limit portion avalanche eye, the 3rd row limit portion avalanche eye ..., N row portion avalanche eye;
The base plate eye arranges with tunnel center line axial symmetry, borehole sum≤20 of base plate eye;
M row top avalanche eye be divided into from bottom to top first row's top avalanche eye, second row's top avalanche eye ..., M row top avalanche eye; Every row top avalanche eye is arranged with tunnel center line axial symmetry; Borehole sum≤10 of every row top avalanche eye;
Periphery hole arranges with tunnel center line axial symmetry, borehole sum≤50 of periphery hole;
Step 2 is installed on explosive and electric detonator in the borehole on the tunnel tunnel face;
Step 3 connects blasting circuit;
The whether conducting of step 4 test blasting circuit;
Step 6 is detonated.
Give electric detonator classification, segmentation in the step 2, be provided with every section electric detonator quantity and number, the delay time of every number electric detonator is set.
The class of electric detonator is divided into: slotting electron-like detonator, limit portion avalanche electron-like detonator, top avalanche electron-like detonator, base plate electron-like detonator, peripheral electron-like detonator.
The section of every electron-like detonator: slotting electron-like detonator is 1～3 section electric detonator; Limit portion avalanche electron-like detonator is 4～8 sections electric detonators; Top avalanche electron-like detonator is 9～13 sections electric detonators; Base plate electron-like detonator is 14 sections electric detonators; Periphery electron-like detonator is 15 sections electric detonators.
The quantity of every section electric detonator: the quantity of 1～3 section electric detonator is 6; The quantity of 4～13 sections electric detonators is 10; The quantity of 14 sections electric detonators is 20; The quantity of 15 sections electric detonators is 50.
Every section electric detonator number:
1 section electric detonator number be 1-1 number, 1-2 number, 1-3 number, 1-4 number, 1-5 number, 1-6 number, firing order is 1-1 number, 1-2 number, 1-3 number, 1-4 number, 1-5 number, 1-6 number.
2 sections electric detonators number be 2-1 number, 2-2 number ..., 2-6 number, firing order be 2-1 number, 2-2 number ...,, 2-6 number.
3 sections electric detonators number be 3-1 number, 3-2 number ..., 3-6 number, firing order be 3-1 number, 3-2 number ..., 3-6 number.
4 sections electric detonators number be 4-1 number, 4-2 number ..., 4-10 number, firing order be 4-1 number, 4-2 number ..., 4-10 number.
5 sections electric detonators number be 5-1 number, 5-2 number ..., 5-10 number, firing order be 5-1 number, 5-2 number ..., 5-10 number.
6～13 sections electric detonators number setting and 5 sections electric detonators number method to set up identical.
14 sections electric detonators number be 14-1 number, 14-2 number ..., 14-20 number, firing order be 14-1 number, 14-2 number ..., 14-20 number.
15 sections electric detonators number be 15-1 number, 15-2 number ..., 15-50 number, firing order be 15-1 number, 15-2 number ..., 15-50 number.
The delay time of every number electric detonator is provided with according to the tunnel surrounding rank in every section, when tunnel surrounding is I level or II level:
The time delay interval time in 1 section electric detonator between every number electric detonator is 2ms, the delay time that is the 1-1 electric detonator is 0ms, the delay time of 1-2 electric detonator is 2ms, the delay time of 1-3 electric detonator is 4ms, the delay time of 1-4 electric detonator is 6ms, the delay time of 1-5 electric detonator is 8ms, and the delay time of 1-6 electric detonator is 10ms.
The time delay interval time in 2 sections electric detonators between every number electric detonator is 3ms, the delay time of 2-1 electric detonator is that the delay time 10ms of 1-6 electric detonator adds 30ms, the delay time that is the 2-1 electric detonator is 40ms, the delay time of 2-2 electric detonator is 43ms, and the delay time of 2-3 electric detonator is 46ms, and the delay time of 2-4 electric detonator is 49ms, the delay time of 2-5 electric detonator is 52ms, and the delay time of 2-6 electric detonator is 55ms.
The time delay interval time in 3 sections electric detonators between every number electric detonator is 4ms, the delay time of 3-1 electric detonator is that the delay time 55ms of 2-6 electric detonator adds 30ms, the delay time that is the 3-1 electric detonator is 85ms, the delay time of 3-2 electric detonator is 89ms, the delay time of 3-3 electric detonator is 93ms, the delay time of 3-4 electric detonator is 97ms, and the delay time of 3-5 electric detonator is 101ms, and the delay time of 3-6 electric detonator is 105ms.
The time delay interval time in 4 sections electric detonators between every number electric detonator is 5ms, the delay time of 4-1 electric detonator is that the delay time 105ms of 3-6 electric detonator adds 30ms, the delay time that is the 4-1 electric detonator is 135ms, the delay time of 4-2 electric detonator is 140ms, increase 5ms in order successively, the delay time of 4-10 electric detonator is 180ms.
The time delay interval time in 5 sections electric detonators between every number electric detonator is 5ms, the delay time of 5-1 electric detonator is that the delay time 180ms of 4-10 electric detonator adds 30ms, the delay time that is the 5-1 electric detonator is 210ms, the delay time of 5-2 electric detonator is 215ms, increase 5ms in order successively, the delay time of 5-10 electric detonator is 255ms.
The time delay interval time in 6 sections electric detonators between every number electric detonator is 5ms, the delay time of 6-1 electric detonator is that the delay time 255ms of 5-10 electric detonator adds 30ms, the delay time that is the 6-1 electric detonator is 285ms, the delay time of 6-2 electric detonator is 290ms, increase 5ms in order successively, the delay time of 6-10 electric detonator is 330ms.
The time delay interval time in 7 sections electric detonators between every number electric detonator is 5ms, the delay time of 7-1 electric detonator is that the delay time 330ms of 6-10 electric detonator adds 30ms, the delay time that is the 7-1 electric detonator is 360ms, the delay time of 7-2 electric detonator is 365ms, increase 5ms in order successively, the delay time of 7-10 electric detonator is 405ms.
The time delay interval time in 8 sections electric detonators between every number electric detonator is 5ms, the delay time of 8-1 electric detonator is that the delay time 405ms of 7-10 electric detonator adds 30ms, the delay time that is the 8-1 electric detonator is 435ms, the delay time of 8-2 electric detonator is 440ms, increase 5ms in order successively, the delay time of 8-10 electric detonator is 480ms.
The time delay interval time in 9 sections electric detonators between every number electric detonator is 5ms, the delay time of 9-1 electric detonator is that the delay time 480ms of 8-10 electric detonator adds 30ms, the delay time that is the 9-1 electric detonator is 510ms, the delay time of 9-2 electric detonator is 515ms, increase 5ms in order successively, the delay time of 9-10 electric detonator is 555ms.
The time delay interval time in 10 sections electric detonators between every number electric detonator is 5ms, the delay time of 10-1 electric detonator is that the delay time 555ms of 9-10 electric detonator adds 30ms, the delay time that is the 10-1 electric detonator is 585ms, the delay time of 10-2 electric detonator is 590ms, increase 5ms in order successively, the delay time of 10-10 electric detonator is 630ms.
The time delay interval time in 11 sections electric detonators between every number electric detonator is 5ms, the delay time of 11-1 electric detonator is that the delay time 630ms of 10-10 electric detonator adds 30ms, the delay time that is the 11-1 electric detonator is 660ms, the delay time of 11-2 electric detonator is 665ms, increase 5ms in order successively, the delay time of 11-10 electric detonator is 705ms.
The time delay interval time in 12 sections electric detonators between every number electric detonator is 5ms, the delay time of 12-1 electric detonator is that the delay time 705ms of 11-10 electric detonator adds 30ms, the delay time that is the 12-1 electric detonator is 735ms, the delay time of 12-2 electric detonator is 740ms, increase 5ms in order successively, the delay time of 12-10 electric detonator is 780ms.
The time delay interval time in 13 sections electric detonators between every number electric detonator is 5ms, the delay time of 13-1 electric detonator is that the delay time 780ms of 12-10 electric detonator adds 30ms, the delay time that is the 13-1 electric detonator is 810ms, the delay time of 13-2 electric detonator is 815ms, increase 5ms in order successively, the delay time of 13-10 electric detonator is 855ms.
The time delay interval time in 14 sections electric detonators between every number electric detonator is 5ms, the delay time of 14-1 electric detonator is that the delay time 855ms of 13-10 electric detonator adds 30ms, the delay time that is the 14-1 electric detonator is 885ms, the delay time of 14-2 electric detonator is 890ms, increase 5ms in order successively, the delay time of 14-20 electric detonator is 980ms.
The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms, the delay time of 15-1 electric detonator is that the delay time 980ms of 14-20 electric detonator adds 30ms, the delay time that is the 15-1 electric detonator is 1010ms, the delay time of 15-2 electric detonator is 1012ms, increase 2ms in order successively, the delay time of 15-50 electric detonator is 1108ms.
When tunnel surrounding is the III level:
Every section first electric detonator that detonates and the time delay interval time of the last period between electric detonator of detonating at last are 40ms.
The time delay interval time in 1 section electric detonator between every number electric detonator is 3ms; The time delay interval time in 2 sections electric detonators between every number electric detonator is 4ms; The time delay interval time in 3 sections electric detonators between every number electric detonator is 5ms.
The time delay interval time in 4～14 sections electric detonators between every number electric detonator is 6ms; The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms.
When tunnel surrounding is IV level or V level:
Every section first electric detonator that detonates and the time delay interval time of the last period between electric detonator of detonating at last are 50ms;
The time delay interval time in 1 section electric detonator between every number electric detonator is 4ms; The time delay interval time in 2 sections electric detonators between every number electric detonator is 5ms; The time delay interval time in 3 sections electric detonators between every number electric detonator is 6ms.
The time delay interval time in 4～14 sections electric detonators between every number electric detonator is 7ms; The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms.
Described step 2 is installed on explosive in the borehole on the tunnel tunnel face according to a conventional method, being installed as of electric detonator:
The 1-1 electric detonator is installed in the borehole of the nethermost left side of first order snubber, the 1-2 electric detonator is installed in the borehole of the nethermost right side of first order snubber, the 1-3 electric detonator is installed in the middle left side borehole of first order snubber, the 1-4 electric detonator is installed in the middle right side borehole of first order snubber, the 1-5 electric detonator is installed in the borehole of the uppermost left side of first order snubber, and the 1-6 electric detonator is installed in the borehole of the uppermost right side of first order snubber.
The 2-1 electric detonator is installed in the borehole of the nethermost left side of second level snubber, the 2-2 electric detonator is installed in the borehole of the nethermost right side of second level snubber, the 2-3 electric detonator is installed in the middle left side borehole of second level snubber, the 2-4 electric detonator is installed in the middle right side borehole of second level snubber, the 2-5 electric detonator is installed in the borehole of the uppermost left side of second level snubber, and the 2-6 electric detonator is installed in the borehole of the uppermost right side of second level snubber.
The 3-1 electric detonator is installed in the borehole of the nethermost left side of third level snubber, the 3-2 electric detonator is installed in the borehole of the nethermost right side of third level snubber, the 3-3 electric detonator is installed in the middle left side borehole of third level snubber, the 3-4 electric detonator is installed in the middle right side borehole of third level snubber, the 3-5 electric detonator is installed in the borehole of the uppermost left side of third level snubber, and the 3-6 electric detonator is installed in the borehole of the uppermost right side of third level snubber.
When 4～15 sections electric detonators are installed in borehole, press the electric detonator section and install, need not by number installation;
In each when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular; In each 2 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, and 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular; In each 3 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, and 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, and 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular; Each 4 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, and 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular, and 7 sections electric detonators are installed on the 4th row limit portion avalanche intraocular; Each 5 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular, 7 sections electric detonators are installed on the 4th row limit portion avalanche intraocular, and 8 sections electric detonators are installed on the 5th row limit portion avalanche intraocular.
When always having row's top avalanche at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular; When always having two row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, and 10 sections electric detonators are installed on second row's top avalanche intraocular; When always having three row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, and 10 sections electric detonators are installed on second row's top avalanche intraocular, and 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular; When always having four row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, 10 sections electric detonators are installed on second row's top avalanche intraocular, and 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular, and 12 sections electric detonators are installed on the 4th row's top avalanche intraocular; When always having five row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, 10 sections electric detonators are installed on second row's top avalanche intraocular, 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular, 12 sections electric detonators are installed on the 4th row's top avalanche intraocular, and 13 sections electric detonators are installed on the 5th row's top avalanche intraocular.
14 sections electric detonators are installed on the base plate intraocular; 15 sections electric detonators are installed in the periphery hole.
The present invention compares the beneficial effect that is had with prior art:
This method is classified to electric detonator, and every class is branch again, and delay time is set.Only the slotting electron-like detonator of negligible amounts is pressed number installation, limit portion avalanche electron-like detonator, base plate electron-like detonator, top avalanche electron-like detonator, peripheral electron-like detonator are installed by section, need not by number installation, installation and connection method is simple, the workman grasps easily, the required time decreased of the connection method of ignition is installed more than 60% than existing electric detonator, in the tunneling electron detonator blasting, is with a wide range of applications.
Description of drawings
Electric detonator scheme of installation on Fig. 1 tunnel tunnel face.
The specific embodiment
Embodiment one
The tunneling electron detonator is installed and is connected the method for ignition, and this method may further comprise the steps:
Step 1 is by three grades of angled cut method blasthole drillings of tradition: snubber, about each N row limit portion avalanche eye, base plate eye, M row top avalanche eye, periphery hole; N=1,2,3,4 or 5, M=1,2,3,4 or 5;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber, every grade of six boreholes; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry.
Limit portion avalanche eye is arranged with tunnel center line axial symmetry, about each N row limit portion avalanche eye, borehole sum≤5 of every row limit portion avalanche eye, from the tunnel center line nearest one classify the 1st row limit portion avalanche eye as, then, be followed successively by from the near to the remote the 2nd row limit portion avalanche eye, the 3rd row limit portion avalanche eye ..., N row portion avalanche eye;
The base plate eye arranges with tunnel center line axial symmetry, borehole sum≤20 of base plate eye.
M row top avalanche eye be divided into from bottom to top first row's top avalanche eye, second row's top avalanche eye ..., M row top avalanche eye; Every row top avalanche eye is arranged with tunnel center line axial symmetry; Borehole sum≤10 of every row top avalanche eye.
Periphery hole arranges with tunnel center line axial symmetry, borehole sum≤50 of periphery hole.
Step 2 is installed on explosive and electric detonator in the borehole on the tunnel tunnel face:
Give electric detonator classification, segmentation in the step 2, be provided with every section electric detonator quantity and number, the delay time of every number electric detonator is set.
The class of electric detonator is divided into: slotting electron-like detonator, limit portion avalanche electron-like detonator, top avalanche electron-like detonator, base plate electron-like detonator, peripheral electron-like detonator.
The section of every electron-like detonator: slotting electron-like detonator is 1～3 section electric detonator; Limit portion avalanche electron-like detonator is 4～8 sections electric detonators; Top avalanche electron-like detonator is 9～13 sections electric detonators; Base plate electron-like detonator is 14 sections electric detonators; Periphery electron-like detonator is 15 sections electric detonators.
The quantity of every section electric detonator: the quantity of 1～3 section electric detonator is 6; The quantity of 4～13 sections electric detonators is 10; The quantity of 14 sections electric detonators is 20; The quantity of 15 sections electric detonators is 50.
Every section electric detonator number:
1 section electric detonator number be 1-1 number, 1-2 number, 1-3 number, 1-4 number, 1-5 number, 1-6 number, firing order is 1-1 number, 1-2 number, 1-3 number, 1-4 number, 1-5 number, 1-6 number;
2 sections electric detonators number be 2-1 number, 2-2 number ..., 2-6 number, firing order be 2-1 number, 2-2 number ...,, 2-6 number.
3 sections electric detonators number be 3-1 number, 3-2 number ..., 3-6 number, firing order be 3-1 number, 3-2 number ..., 3-6 number.
4 sections electric detonators number be 4-1 number, 4-2 number ..., 4-10 number, firing order be 4-1 number, 4-2 number ..., 4-10 number.
5 sections electric detonators number be 5-1 number, 5-2 number ..., 5-10 number, firing order be 5-1 number, 5-2 number ..., 5-10 number.
6～13 sections electric detonators number setting and 5 sections electric detonators number method to set up identical;
14 sections electric detonators number be 14-1 number, 14-2 number ..., 14-20 number, firing order be 14-1 number, 14-2 number ..., 14-20 number.
15 sections electric detonators number be 15-1 number, 15-2 number ..., 15-50 number, firing order be 15-1 number, 15-2 number ..., 15-50 number.
The delay time of every number electric detonator is provided with according to the tunnel surrounding rank in every section, when tunnel surrounding is I level or II level:
The time delay interval time in 1 section electric detonator between every number electric detonator is 2ms, the delay time that is the 1-1 electric detonator is 0ms, the delay time of 1-2 electric detonator is 2ms, the delay time of 1-3 electric detonator is 4ms, the delay time of 1-4 electric detonator is 6ms, the delay time of 1-5 electric detonator is 8ms, and the delay time of 1-6 electric detonator is 10ms.
The time delay interval time in 2 sections electric detonators between every number electric detonator is 3ms, the delay time of 2-1 electric detonator is that the delay time 10ms of 1-6 electric detonator adds 30ms, the delay time that is the 2-1 electric detonator is 40ms, the delay time of 2-2 electric detonator is 43ms, and the delay time of 2-3 electric detonator is 46ms, and the delay time of 2-4 electric detonator is 49ms, the delay time of 2-5 electric detonator is 52ms, and the delay time of 2-6 electric detonator is 55ms.
The time delay interval time in 3 sections electric detonators between every number electric detonator is 4ms, the delay time of 3-1 electric detonator is that the delay time 55ms of 2-6 electric detonator adds 30ms, the delay time that is the 3-1 electric detonator is 85ms, the delay time of 3-2 electric detonator is 89ms, the delay time of 3-3 electric detonator is 93ms, the delay time of 3-4 electric detonator is 97ms, and the delay time of 3-5 electric detonator is 101ms, and the delay time of 3-6 electric detonator is 105ms.
The time delay interval time in 4 sections electric detonators between every number electric detonator is 5ms, the delay time of 4-1 electric detonator is that the delay time 105ms of 3-6 electric detonator adds 30ms, the delay time that is the 4-1 electric detonator is 135ms, the delay time of 4-2 electric detonator is 140ms, increase 5ms in order successively, the delay time of 4-10 electric detonator is 180ms.
The time delay interval time in 5 sections electric detonators between every number electric detonator is 5ms, the delay time of 5-1 electric detonator is that the delay time 180ms of 4-10 electric detonator adds 30ms, the delay time that is the 5-1 electric detonator is 210ms, the delay time of 5-2 electric detonator is 215ms, increase 5ms in order successively, the delay time of 5-10 electric detonator is 255ms.
The time delay interval time in 6 sections electric detonators between every number electric detonator is 5ms, the delay time of 6-1 electric detonator is that the delay time 255ms of 5-10 electric detonator adds 30ms, the delay time that is the 6-1 electric detonator is 285ms, the delay time of 6-2 electric detonator is 290ms, increase 5ms in order successively, the delay time of 6-10 electric detonator is 330ms.
The time delay interval time in 7 sections electric detonators between every number electric detonator is 5ms, the delay time of 7-1 electric detonator is that the delay time 330ms of 6-10 electric detonator adds 30ms, the delay time that is the 7-1 electric detonator is 360ms, the delay time of 7-2 electric detonator is 365ms, increase 5ms in order successively, the delay time of 7-10 electric detonator is 405ms.
The time delay interval time in 8 sections electric detonators between every number electric detonator is 5ms, the delay time of 8-1 electric detonator is that the delay time 405ms of 7-10 electric detonator adds 30ms, the delay time that is the 8-1 electric detonator is 435ms, the delay time of 8-2 electric detonator is 440ms, increase 5ms in order successively, the delay time of 8-10 electric detonator is 480ms.
The time delay interval time in 9 sections electric detonators between every number electric detonator is 5ms, the delay time of 9-1 electric detonator is that the delay time 480ms of 8-10 electric detonator adds 30ms, the delay time that is the 9-1 electric detonator is 510ms, the delay time of 9-2 electric detonator is 515ms, increase 5ms in order successively, the delay time of 9-10 electric detonator is 555ms.
The time delay interval time in 10 sections electric detonators between every number electric detonator is 5ms, the delay time of 10-1 electric detonator is that the delay time 555ms of 9-10 electric detonator adds 30ms, the delay time that is the 10-1 electric detonator is 585ms, the delay time of 10-2 electric detonator is 590ms, increase 5ms in order successively, the delay time of 9-10 electric detonator is 630ms.
The time delay interval time in 11 sections electric detonators between every number electric detonator is 5ms, the delay time of 11-1 electric detonator is that the delay time 630ms of 10-10 electric detonator adds 30ms, the delay time that is the 11-1 electric detonator is 660ms, the delay time of 11-2 electric detonator is 665ms, increase 5ms in order successively, the delay time of 11-10 electric detonator is 705ms.
The time delay interval time in 12 sections electric detonators between every number electric detonator is 5ms, the delay time of 12-1 electric detonator is that the delay time 705ms of 11-10 electric detonator adds 30ms, the delay time that is the 12-1 electric detonator is 735ms, the delay time of 12-2 electric detonator is 740ms, increase 5ms in order successively, the delay time of 12-10 electric detonator is 780ms.
The time delay interval time in 13 sections electric detonators between every number electric detonator is 5ms, the delay time of 13-1 electric detonator is that the delay time 780ms of 12-10 electric detonator adds 30ms, the delay time that is the 13-1 electric detonator is 810ms, the delay time of 13-2 electric detonator is 815ms, increase 5ms in order successively, the delay time of 13-10 electric detonator is 855ms.
The time delay interval time in 14 sections electric detonators between every number electric detonator is 5ms, the delay time of 14-1 electric detonator is that the delay time 855ms of 13-10 electric detonator adds 30ms, the delay time that is the 14-1 electric detonator is 885ms, the delay time of 14-2 electric detonator is 890ms, increase 5ms in order successively, the delay time of 14-20 electric detonator is 980ms.
The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms, the delay time of 15-1 electric detonator is that the delay time 980ms of 14-20 electric detonator adds 30ms, the delay time that is the 15-1 electric detonator is 1010ms, the delay time of 15-2 electric detonator is 1012ms, increase 2ms in order successively, the delay time of 15-50 electric detonator is 1108ms.
When tunnel surrounding is the III level:
Every section first electric detonator that detonates and the time delay interval time of the last period between electric detonator of detonating at last are 40ms.
The time delay interval time in 1 section electric detonator between every number electric detonator is 3ms; The time delay interval time in 2 sections electric detonators between every number electric detonator is 4ms; The time delay interval time in 3 sections electric detonators between every number electric detonator is 5ms.
The time delay interval time in 4～14 sections electric detonators between every number electric detonator is 6ms; The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms.
When tunnel surrounding is IV level or V level:
Every section first electric detonator that detonates and the time delay interval time of the last period between electric detonator of detonating at last are 50ms.
The time delay interval time in 1 section electric detonator between every number electric detonator is 4ms; The time delay interval time in 2 sections electric detonators between every number electric detonator is 5ms; The time delay interval time in 3 sections electric detonators between every number electric detonator is 6ms.
The time delay interval time in 4～14 sections electric detonators between every number electric detonator is 7ms; The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms.
Described step 2 is installed on explosive in the borehole on the tunnel tunnel face according to a conventional method, being installed as of electric detonator:
The 1-1 electric detonator is installed in the borehole of the nethermost left side of first order snubber, the 1-2 electric detonator is installed in the borehole of the nethermost right side of first order snubber, the 1-3 electric detonator is installed in the middle left side borehole of first order snubber, the 1-4 electric detonator is installed in the middle right side borehole of first order snubber, the 1-5 electric detonator is installed in the borehole of the uppermost left side of first order snubber, and the 1-6 electric detonator is installed in the borehole of the uppermost right side of first order snubber.
The 2-1 electric detonator is installed in the borehole of the nethermost left side of second level snubber, the 2-2 electric detonator is installed in the borehole of the nethermost right side of second level snubber, the 2-3 electric detonator is installed in the middle left side borehole of second level snubber, the 2-4 electric detonator is installed in the middle right side borehole of second level snubber, the 2-5 electric detonator is installed in the borehole of the uppermost left side of second level snubber, and the 2-6 electric detonator is installed in the borehole of the uppermost right side of second level snubber.
The 3-1 electric detonator is installed in the borehole of the nethermost left side of third level snubber, the 3-2 electric detonator is installed in the borehole of the nethermost right side of third level snubber, the 3-3 electric detonator is installed in the middle left side borehole of third level snubber, the 3-4 electric detonator is installed in the middle right side borehole of third level snubber, the 3-5 electric detonator is installed in the borehole of the uppermost left side of third level snubber, and the 3-6 electric detonator is installed in the borehole of the uppermost right side of third level snubber.
When 4～15 sections electric detonators are installed in borehole, press the electric detonator section and install, need not by number installation;
In each when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular; In each 2 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, and 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular; In each 3 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, and 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, and 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular; Each 4 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, and 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular, and 7 sections electric detonators are installed on the 4th row limit portion avalanche intraocular; Each 5 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular, 7 sections electric detonators are installed on the 4th row limit portion avalanche intraocular, and 8 sections electric detonators are installed on the 5th row limit portion avalanche intraocular.
When always having row's top avalanche at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular; When always having two row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, and 10 sections electric detonators are installed on second row's top avalanche intraocular; When always having three row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, and 10 sections electric detonators are installed on second row's top avalanche intraocular, and 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular; When always having four row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, 10 sections electric detonators are installed on second row's top avalanche intraocular, and 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular, and 12 sections electric detonators are installed on the 4th row's top avalanche intraocular; When always having five row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, 10 sections electric detonators are installed on second row's top avalanche intraocular, 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular, 12 sections electric detonators are installed on the 4th row's top avalanche intraocular, and 13 sections electric detonators are installed on the 5th row's top avalanche intraocular.
14 sections electric detonators are installed on the base plate intraocular; 15 sections electric detonators are installed in the periphery hole.
Step 3 connects blasting circuit.
The whether conducting of step 4 test blasting circuit.
Step 6 is detonated.
Embodiment two
The novel installation of tunneling electron detonator connects the method for ignition, and this method may further comprise the steps:
Step 1 is by three grades of angled cut method blasthole drillings of tradition, first, second, third grade of snubber, every grade of 6 boreholes; About two row limit portion avalanche eyes, the borehole sum of every row limit portion avalanche eye is no more than 3; Two row's top avalanche eyes, 8 of the borehole sums of first row's top avalanche eye; 4 of the borehole sums of second row's top avalanche eye; 14 of base plate eye borehole sums; Periphery hole, periphery hole borehole sum is no more than 26.
The electric detonator classification that step 2 needs to Tunnel Blasting, section, be provided with every section electric detonator quantity and number, the delay time of every number electric detonator is set.
The class of electric detonator, section and number all by embodiment one.
The country rock in tunnel is the II level:
The delay time of 1-1 electric detonator is 0ms, the delay time of 1-2 electric detonator is 2ms, and the delay time of 1-3 electric detonator is 4ms, and the delay time of 1-4 electric detonator is 6ms, the delay time of 1-5 electric detonator is 8ms, and the delay time of 1-6 electric detonator is 10ms.
The delay time of 2-1 electric detonator is 40ms, the delay time of 2-2 electric detonator is 43ms, the delay time of 2-3 electric detonator is 46ms, the delay time of 2-4 electric detonator is 49ms, the delay time of 2-5 electric detonator is 52ms, and the delay time of 2-6 electric detonator is 55ms.
The delay time of 3-1 electric detonator is 85ms, the delay time of 3-2 electric detonator is 89ms, the delay time of 3-3 electric detonator is 93ms, the delay time of 3-4 electric detonator is 97ms, the delay time of 3-5 electric detonator is 101ms, and the delay time of 3-6 electric detonator is 105ms.
The delay time of 4-1 electric detonator is 135ms, and the delay time of 4-2 electric detonator is 140ms ..., increasing 5ms in order successively, the delay time of 4-10 electric detonator is 180ms.
The delay time of 5-1 electric detonator is 210ms, and the delay time of 5-2 electric detonator is 215ms ..., increasing 5ms in order successively, the delay time of 5-10 electric detonator is 255ms.
The delay time of 9-1 electric detonator is 510ms, and the delay time of 9-2 electric detonator is 515ms ..., increasing 5ms in order successively, the delay time of 9-10 electric detonator is 555ms.
The delay time of 10-1 electric detonator is 585ms, and the delay time of 10-2 electric detonator is 590ms ..., increasing 5ms in order successively, the delay time of 9-10 electric detonator is 630ms.
The delay time of 14-1 electric detonator is 885ms, and the delay time of 14-2 electric detonator is 890ms ..., increasing 5ms in order successively, the delay time of 14-20 electric detonator is 980ms.
The delay time of 15-1 electric detonator is 1010ms, and the delay time of 15-2 electric detonator is 1012ms ..., increasing 2ms in order successively, the delay time of 15-50 electric detonator is 1108ms.
It is identical with existing method that the explosive method is installed, being installed as of electric detonator:
The 1-1 electric detonator is installed in the borehole of the nethermost left side of first order snubber, the 1-2 electric detonator is installed in the borehole of the nethermost right side of first order snubber, the 1-3 electric detonator is installed in the middle left side borehole of first order snubber, the 1-4 electric detonator is installed in the middle right side borehole of first order snubber, the 1-5 electric detonator is installed in the borehole of the uppermost left side of first order snubber, and the 1-6 electric detonator is installed in the borehole of the uppermost right side of first order snubber.
The 2-1 electric detonator is installed in the borehole of the nethermost left side of second level snubber, the 2-2 electric detonator is installed in the borehole of the nethermost right side of second level snubber, the 2-3 electric detonator is installed in the middle left side borehole of second level snubber, the 2-4 electric detonator is installed in the middle right side borehole of second level snubber, the 2-5 electric detonator is installed in the borehole of the uppermost left side of second level snubber, and the 2-6 electric detonator is installed in the borehole of the uppermost right side of second level snubber.
The 3-1 electric detonator is installed in the borehole of the nethermost left side of third level snubber, the 3-2 electric detonator is installed in the borehole of the nethermost right side of third level snubber, the 3-3 electric detonator is installed in the middle left side borehole of third level snubber, the 3-4 electric detonator is installed in the middle right side borehole of third level snubber, the 3-5 electric detonator is installed in the borehole of the uppermost left side of third level snubber, and the 3-6 electric detonator is installed in the borehole of the uppermost right side of third level snubber.
6 the 4 sections electric detonators of taking, the first row limit portion avalanche intraocular about being installed on; 6 the 5 sections electric detonators of taking are installed on secondary series limit, left and right sides portion avalanche intraocular.
8 the 9 sections electric detonators of taking are installed on first row's top avalanche intraocular; 4 the 10 sections electric detonators of taking are installed on second row's top avalanche intraocular.
14 the 14 sections electric detonators of taking are installed on the base plate intraocular.
26 the 15 sections electric detonators of taking are installed in the periphery hole.
Step 4 adopts parallel way with on each electric detonator connection bus.
Step 5 all personnel withdraws the explosion scene, then, adopts the whether conducting of electric detonator continuity test instrument test networking.If the networking difference is then searched the networking, find reason, and connect the networking; If the networking conducting then enters the step of detonating.
Step 6 adopts electronic detonator initiator to be charged in the networking, detonates then.
Claims (1)
1. the tunneling electron detonator is installed and is connected the method for ignition, and this method may further comprise the steps:
Step 1 is by three grades of angled cut method blasthole drillings of tradition: snubber, about each N row limit portion avalanche eye, base plate eye, M row top avalanche eye, periphery hole; N=1,2,3,4 or 5, M=1,2,3,4 or 5;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber, every grade of six boreholes; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry;
Limit portion avalanche eye is arranged with tunnel center line axial symmetry, about each N row limit portion avalanche eye, borehole sum≤5 of every row limit portion avalanche eye, from the tunnel center line nearest one classify the 1st row limit portion avalanche eye as, then, be followed successively by from the near to the remote the 2nd row limit portion avalanche eye, the 3rd row limit portion avalanche eye ..., N row portion avalanche eye;
The base plate eye arranges with tunnel center line axial symmetry, borehole sum≤20 of base plate eye;
M row top avalanche eye be divided into from bottom to top first row's top avalanche eye, second row's top avalanche eye ..., M row top avalanche eye; Every row top avalanche eye is arranged with tunnel center line axial symmetry; Borehole sum≤10 of every row top avalanche eye;
Periphery hole arranges with tunnel center line axial symmetry, borehole sum≤50 of periphery hole;
Step 2 is installed on explosive and electric detonator in the borehole on the tunnel tunnel face;
Step 3 connects blasting circuit;
The whether conducting of step 4 test blasting circuit;
Step 5 is detonated;
It is characterized in that:
Give electric detonator classification, segmentation in the step 2, be provided with every section electric detonator quantity and number, the delay time of every number electric detonator is set;
The class of electric detonator is divided into: slotting electron-like detonator, limit portion avalanche electron-like detonator, top avalanche electron-like detonator, base plate electron-like detonator, peripheral electron-like detonator;
The section of every electron-like detonator: slotting electron-like detonator is 1～3 section electric detonator; Limit portion avalanche electron-like detonator is 4～8 sections electric detonators; Top avalanche electron-like detonator is 9～13 sections electric detonators; Base plate electron-like detonator is 14 sections electric detonators; Periphery electron-like detonator is 15 sections electric detonators;
The quantity of every section electric detonator: the quantity of 1～3 section electric detonator is 6; The quantity of 4～13 sections electric detonators is 10; The quantity of 14 sections electric detonators is 20; The quantity of 15 sections electric detonators is 50;
Every section electric detonator number:
1 section electric detonator number be 1-1 number, 1-2 number, 1-3 number, 1-4 number, 1-5 number, 1-6 number, firing order is 1-1 number, 1-2 number, 1-3 number, 1-4 number, 1-5 number, 1-6 number;
2 sections electric detonators number be 2-1 number, 2-2 number,, 2-6 number, firing order be 2-1 number, 2-2 number,, 2-6 number;
3 sections electric detonators number be 3-1 number, 3-2 number,, 3-6 number, firing order be 3-1 number, 3-2 number,, 3-6 number;
4 sections electric detonators number be 4-1 number, 4-2 number,, 4-10 number, firing order be 4-1 number, 4-2 number,, 4-10 number;
5 sections electric detonators number be 5-1 number, 5-2 number,, 5-10 number, firing order be 5-1 number, 5-2 number,, 5-10 number;
6～13 sections electric detonators number setting and 5 sections electric detonators number method to set up identical;
14 sections electric detonators number be 14-1 number, 14-2 number,, 14-20 number, firing order be 14-1 number, 14-2 number,, 14-20 number;
15 sections electric detonators number be 15-1 number, 15-2 number,, 15-50 number, firing order be 15-1 number, 15-2 number,, 15-50 number;
The delay time of every number electric detonator is provided with according to the tunnel surrounding rank in every section, when tunnel surrounding is I level or II level:
The time delay interval time in 1 section electric detonator between every number electric detonator is 2ms, the delay time that is the 1-1 electric detonator is 0ms, the delay time of 1-2 electric detonator is 2ms, the delay time of 1-3 electric detonator is 4ms, the delay time of 1-4 electric detonator is 6ms, the delay time of 1-5 electric detonator is 8ms, and the delay time of 1-6 electric detonator is 10ms;
The time delay interval time in 2 sections electric detonators between every number electric detonator is 3ms, the delay time of 2-1 electric detonator is that the delay time 10ms of 1-6 electric detonator adds 30ms, the delay time that is the 2-1 electric detonator is 40ms, the delay time of 2-2 electric detonator is 43ms, the delay time of 2-3 electric detonator is 46ms, the delay time of 2-4 electric detonator is 49ms, and the delay time of 2-5 electric detonator is 52ms, and the delay time of 2-6 electric detonator is 55ms;
The time delay interval time in 3 sections electric detonators between every number electric detonator is 4ms, the delay time of 3-1 electric detonator is that the delay time 55ms of 2-6 electric detonator adds 30ms, the delay time that is the 3-1 electric detonator is 85ms, the delay time of 3-2 electric detonator is 89ms, the delay time of 3-3 electric detonator is 93ms, the delay time of 3-4 electric detonator is 97ms, and the delay time of 3-5 electric detonator is 101ms, and the delay time of 3-6 electric detonator is 105ms;
The time delay interval time in 4 sections electric detonators between every number electric detonator is 5ms, the delay time of 4-1 electric detonator is that the delay time 105ms of 3-6 electric detonator adds 30ms, the delay time that is the 4-1 electric detonator is 135ms, the delay time of 4-2 electric detonator is 140ms, increase by 5 ms in order successively, the delay time of 4-10 electric detonator is 180ms;
The time delay interval time in 5 sections electric detonators between every number electric detonator is 5ms, the delay time of 5-1 electric detonator is that the delay time 180ms of 4-10 electric detonator adds 30ms, the delay time that is the 5-1 electric detonator is 210ms, the delay time of 5-2 electric detonator is 215ms, increase by 5 ms in order successively, the delay time of 5-10 electric detonator is 255ms;
The time delay interval time in 6 sections electric detonators between every number electric detonator is 5ms, the delay time of 6-1 electric detonator is that the delay time 255ms of 5-10 electric detonator adds 30ms, the delay time that is the 6-1 electric detonator is 285ms, the delay time of 6-2 electric detonator is 290ms, increase by 5 ms in order successively, the delay time of 6-10 electric detonator is 330ms;
The time delay interval time in 7 sections electric detonators between every number electric detonator is 5ms, the delay time of 7-1 electric detonator is that the delay time 330ms of 6-10 electric detonator adds 30ms, the delay time that is the 7-1 electric detonator is 360ms, the delay time of 7-2 electric detonator is 365ms, increase by 5 ms in order successively, the delay time of 7-10 electric detonator is 405ms;
The time delay interval time in 8 sections electric detonators between every number electric detonator is 5ms, the delay time of 8-1 electric detonator is that the delay time 405ms of 7-10 electric detonator adds 30ms, the delay time that is the 8-1 electric detonator is 435ms, the delay time of 8-2 electric detonator is 440ms, increase by 5 ms in order successively, the delay time of 8-10 electric detonator is 480ms;
The time delay interval time in 9 sections electric detonators between every number electric detonator is 5ms, the delay time of 9-1 electric detonator is that the delay time 480ms of 8-10 electric detonator adds 30ms, the delay time that is the 9-1 electric detonator is 510ms, the delay time of 9-2 electric detonator is 515ms, increase by 5 ms in order successively, the delay time of 9-10 electric detonator is 555ms;
The time delay interval time in 10 sections electric detonators between every number electric detonator is 5ms, the delay time of 10-1 electric detonator is that the delay time 555ms of 9-10 electric detonator adds 30ms, the delay time that is the 10-1 electric detonator is 585ms, the delay time of 10-2 electric detonator is 590ms, increase by 5 ms in order successively, the delay time of 10-10 electric detonator is 630ms;
The time delay interval time in 11 sections electric detonators between every number electric detonator is 5ms, the delay time of 11-1 electric detonator is that the delay time 630ms of 10-10 electric detonator adds 30ms, the delay time that is the 11-1 electric detonator is 660ms, the delay time of 11-2 electric detonator is 665ms, increase by 5 ms in order successively, the delay time of 11-10 electric detonator is 705ms;
The time delay interval time in 12 sections electric detonators between every number electric detonator is 5ms, the delay time of 12-1 electric detonator is that the delay time 705ms of 11-10 electric detonator adds 30ms, the delay time that is the 12-1 electric detonator is 735ms, the delay time of 12-2 electric detonator is 740ms, increase by 5 ms in order successively, the delay time of 12-10 electric detonator is 780ms;
The time delay interval time in 13 sections electric detonators between every number electric detonator is 5ms, the delay time of 13-1 electric detonator is that the delay time 780ms of 12-10 electric detonator adds 30ms, the delay time that is the 13-1 electric detonator is 810ms, the delay time of 13-2 electric detonator is 815ms, increase by 5 ms in order successively, the delay time of 13-10 electric detonator is 855ms;
The time delay interval time in 14 sections electric detonators between every number electric detonator is 5ms, the delay time of 14-1 electric detonator is that the delay time 855ms of 13-10 electric detonator adds 30ms, the delay time that is the 14-1 electric detonator is 885ms, the delay time of 14-2 electric detonator is 890ms, increase by 5 ms in order successively, the delay time of 14-20 electric detonator is 980ms;
The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms, the delay time of 15-1 electric detonator is that the delay time 980ms of 14-20 electric detonator adds 30ms, the delay time that is the 15-1 electric detonator is 1010ms, the delay time of 15-2 electric detonator is 1012ms, increase by 2 ms in order successively, the delay time of 15-50 electric detonator is 1108ms;
When tunnel surrounding is the III level:
Every section first electric detonator that detonates and the time delay interval time of the last period between electric detonator of detonating at last are 40ms;
The time delay interval time in 1 section electric detonator between every number electric detonator is 3ms; The time delay interval time in 2 sections electric detonators between every number electric detonator is 4ms; The time delay interval time in 3 sections electric detonators between every number electric detonator is 5ms;
The time delay interval time in 4～14 sections electric detonators between every number electric detonator is 6ms; The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms;
When tunnel surrounding is IV level or V level:
Every section first electric detonator that detonates and the time delay interval time of the last period between electric detonator of detonating at last are 50ms;
The time delay interval time in 1 section electric detonator between every number electric detonator is 4ms; The time delay interval time in 2 sections electric detonators between every number electric detonator is 5ms; The time delay interval time in 3 sections electric detonators between every number electric detonator is 6ms;
The time delay interval time in 4～14 sections electric detonators between every number electric detonator is 7ms; The time delay interval time in 15 sections electric detonators between every number electric detonator is 2ms;
Described step 2 is installed on explosive in the borehole on the tunnel tunnel face according to a conventional method, being installed as of electric detonator:
The 1-1 electric detonator is installed in the borehole of the nethermost left side of first order snubber, the 1-2 electric detonator is installed in the borehole of the nethermost right side of first order snubber, the 1-3 electric detonator is installed in the middle left side borehole of first order snubber, the 1-4 electric detonator is installed in the middle right side borehole of first order snubber, the 1-5 electric detonator is installed in the borehole of the uppermost left side of first order snubber, and the 1-6 electric detonator is installed in the borehole of the uppermost right side of first order snubber;
The 2-1 electric detonator is installed in the borehole of the nethermost left side of second level snubber, the 2-2 electric detonator is installed in the borehole of the nethermost right side of second level snubber, the 2-3 electric detonator is installed in the middle left side borehole of second level snubber, the 2-4 electric detonator is installed in the middle right side borehole of second level snubber, the 2-5 electric detonator is installed in the borehole of the uppermost left side of second level snubber, and the 2-6 electric detonator is installed in the borehole of the uppermost right side of second level snubber;
The 3-1 electric detonator is installed in the borehole of the nethermost left side of third level snubber, the 3-2 electric detonator is installed in the borehole of the nethermost right side of third level snubber, the 3-3 electric detonator is installed in the middle left side borehole of third level snubber, the 3-4 electric detonator is installed in the middle right side borehole of third level snubber, the 3-5 electric detonator is installed in the borehole of the uppermost left side of third level snubber, and the 3-6 electric detonator is installed in the borehole of the uppermost right side of third level snubber;
When 4～15 sections electric detonators are installed in borehole, press the electric detonator section and install, need not by number installation;
In each when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular; In each 2 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, and 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular; In each 3 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, and 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, and 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular; Each 4 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, and 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular, and 7 sections electric detonators are installed on the 4th row limit portion avalanche intraocular; Each 5 when row about limit portion avalanche eye has only, 4 sections electric detonators are installed on the first row limit portion avalanche intraocular, 5 sections electric detonators are installed on secondary series limit portion avalanche intraocular, 6 sections electric detonators are installed on the 3rd row limit portion avalanche intraocular, 7 sections electric detonators are installed on the 4th row limit portion avalanche intraocular, and 8 sections electric detonators are installed on the 5th row limit portion avalanche intraocular;
When always having row's top avalanche at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular; When always having two row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, and 10 sections electric detonators are installed on second row's top avalanche intraocular; When always having three row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, and 10 sections electric detonators are installed on second row's top avalanche intraocular, and 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular; When always having four row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, 10 sections electric detonators are installed on second row's top avalanche intraocular, and 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular, and 12 sections electric detonators are installed on the 4th row's top avalanche intraocular; When always having five row's top avalanches at the moment, 9 sections electric detonators are installed on first row's top avalanche intraocular, 10 sections electric detonators are installed on second row's top avalanche intraocular, 11 sections electric detonators are installed on the 3rd row's top avalanche intraocular, 12 sections electric detonators are installed on the 4th row's top avalanche intraocular, and 13 sections electric detonators are installed on the 5th row's top avalanche intraocular;
14 sections electric detonators are installed on the base plate intraocular;
15 sections electric detonators are installed in the periphery hole.
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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 |
| CN102914226B (en) * | 2012-11-08 | 2015-04-01 | 中国矿业大学(北京) | Hollow-hole rhombic parallel cut blasting damping method |
| CN114111478B (en) * | 2020-08-27 | 2023-10-27 | 西南科技大学 | Detonating circuit combining electronic detonator and detonating cord and construction method thereof |
| CN113883978B (en) * | 2021-10-19 | 2023-10-24 | 太原理工大学 | Tunnel reserved profile-protecting rock curtain water pressure energy-gathering smooth blasting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634691A (en) * | 1994-07-13 | 1997-06-03 | Sungkyong Engineering & Construction Limited | Method for excavating a working face by blasting |
| CN1375680A (en) * | 2001-03-20 | 2002-10-23 | T&Rb株式会社 | Rock stepped blasting method of increasing blasting efficiency and reducing blasting damage |
| CN201764913U (en) * | 2010-08-30 | 2011-03-16 | 中铁十九局集团有限公司 | Compound wedge-shaped cut |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06323797A (en) * | 1993-05-12 | 1994-11-25 | Asahi Chem Ind Co Ltd | Blasting method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634691A (en) * | 1994-07-13 | 1997-06-03 | Sungkyong Engineering & Construction Limited | Method for excavating a working face by blasting |
| CN1375680A (en) * | 2001-03-20 | 2002-10-23 | T&Rb株式会社 | Rock stepped blasting method of increasing blasting efficiency and reducing blasting damage |
| CN201764913U (en) * | 2010-08-30 | 2011-03-16 | 中铁十九局集团有限公司 | Compound wedge-shaped cut |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-323797A 1994.11.25 |
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