CN102494574A - Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube - Google Patents
Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube Download PDFInfo
- Publication number
- CN102494574A CN102494574A CN2011104026774A CN201110402677A CN102494574A CN 102494574 A CN102494574 A CN 102494574A CN 2011104026774 A CN2011104026774 A CN 2011104026774A CN 201110402677 A CN201110402677 A CN 201110402677A CN 102494574 A CN102494574 A CN 102494574A
- Authority
- CN
- China
- Prior art keywords
- avalanche
- intraocular
- sections
- last
- eye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention discloses a combined blasting method of a tunneling electronic detonator and a detonator with a shock-conducting tube, relates to the field of tunnel and underground engineering drilling and blasting construction, and is used for solving the problems that when millisecond control basting is carried out by adopting the detonator with the shock-conducting tube individually for the tunneling blasting, the caused danger for stability of tunnel surrounding rocks, and the surrounding buildings and people is serious, and when vibration reduction blasting is carried out by adopting an electronic detonator individually for the tunneling blasting, the high cost is caused for the tunneling blasting. The method comprises the following steps: mounting electronic detonators in a first stage cuthole, a second stage cuthole and a third stage cuthole, and mounting 15 detonators with shock-conducting tubes in a periphery hole; and then determining the types of the detonators in other cutholes according to delay time of the electronic detonators blasting finally. Compared with the vibration reduction blasting by adopting the detonator with the shock-conducting tube individually for the tunneling blasting, the blasting vibration is reduced by more than 40-60%, compared with the cost of by adopting the detonator with the shock-conducting tube individually for the tunneling blasting, the blasting cost is lowered by more than 50-60%, and the blasting method has a wide application prospect in blasting construction of urban region tunnel and underground engineering.
Description
Technical field
Tunnel and underground engineering construction of explosion.
Technical background
When Tunnel Blasting adopted Nonel detonator to carry out elementary errors controlled blasting, the blasting vibration of generation, shock wave, slungshot, noise were big, and the harm that the stability of tunnel surrounding, near building and people are caused is big.
Tunnel Blasting adopts electric detonator to fall when shaking explosion, and blasting vibration can reduce a lot, still, because the electric detonator price is high, causes the Tunnel Blasting cost high.
Summary of the invention
Technical problem to be solved by this invention is; Big and the Tunnel Blasting of the harm that when Tunnel Blasting adopts Nonel detonator to carry out elementary errors controlled blasting separately the stability of tunnel surrounding, near building and people is caused causes the high problem of Tunnel Blasting cost when adopting electric detonator to fall separately to shake explosion.
The present invention solves the technical scheme of its technical problem:
The tunneling electron detonator and the Nonel detonator associating method of ignition, this method may further comprise the steps:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, avalanche eye, base plate eye, periphery hole.
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry.
Avalanche eye: limit portion avalanche eye, top avalanche eye.
Limit portion avalanche eye is arranged with tunnel center line axial symmetry; About each N 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, N=1,2,3,4 or 5.
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, M=1,2,3,4 or 5.
The base plate eye is arranged with tunnel center line axial symmetry.
Periphery hole is arranged with tunnel center line axial symmetry.
Step 2 is installed on explosive, 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.
Detonator is selected electric detonator and Nonel detonator in the step 2.
Electric detonator is installed in the snubber.
15 sections Nonel detonators are installed in the periphery hole.
When the electric detonator delay time that detonates at last is more than or equal to 200ms and is less than or equal to 250ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if the second last row limit, left and right sides portion avalanche eye is arranged, then left and right sides the second last row limit portion avalanche intraocular is installed 10 sections Nonel detonators; If last the 3rd row top avalanche eye is arranged; Then last the 3rd row top avalanche intraocular is installed 9 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 250ms and is less than or equal to 300ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if the second last row limit, left and right sides portion avalanche eye is arranged, then left and right sides the second last row limit portion avalanche intraocular is installed 10 sections Nonel detonators; If also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 300ms and is less than or equal to 400ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 400ms and is less than or equal to 500ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators; Last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 500ms and is less than or equal to 600ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators, and electric detonator is installed in other borehole on the tunnel tunnel face.
When the electric detonator delay time that detonates at last was greater than 600ms and is less than or equal to 750ms, the base plate intraocular was installed 14 sections Nonel detonators, and electric detonator is installed in other borehole on the tunnel tunnel face.
When the electric detonator delay time that detonates at last was greater than 750ms and is less than or equal to 900ms, other borehole was installed electric detonator on the tunnel tunnel face.
When step 3 connects blasting circuit, at first Nonel detonator is divided into groups 2～15 every group; Every group is 0ms with a delay time electric detonator is connected; All electric detonators connect into initiation net by parallel way.
The present invention compares the beneficial effect that is had with prior art:
The present invention adopts the tunneling electron detonator and the Nonel detonator associating method of ignition; The vibration that produces during than the controlled blasting of the independent employing Nonel detonator of Tunnel Blasting elementary errors reduces more than 40～60%; Fall than the independent employing electric detonator of Tunnel Blasting that cost reduces more than 50～60 when shaking explosion, in the blast working of metropolitan district tunnel and underground engineering, be with a wide range of applications.
Description of drawings
Borehole layout drawing on Fig. 1 tunnel tunnel face.
The specific embodiment
Embodiment one
The tunneling electron detonator and the Nonel detonator associating method of ignition, this method may further comprise the steps:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, avalanche eye, base plate eye, periphery hole.
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry.
Avalanche eye: limit portion avalanche eye, top avalanche eye.
Limit portion avalanche eye is arranged with tunnel center line axial symmetry; About each N row limit portion avalanche eye; From the tunnel center line nearest one classify the first row limit portion avalanche eye as; Then, be followed successively by from the near to the remote secondary series limit portion avalanche eye, the 3rd row limit portion avalanche eye ..., N row portion avalanche eye, N=1,2,3,4 or 5.
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, M=1,2,3,4 or 5.
The base plate eye is arranged with tunnel center line axial symmetry.
Periphery hole is arranged with tunnel center line axial symmetry.
Step 2 is installed on explosive, detonator in the borehole on the tunnel tunnel face.
Detonator is selected electric detonator and Nonel detonator.
Electric detonator is installed in the snubber.
15 sections Nonel detonators are installed in the periphery hole.
When the electric detonator delay time that detonates at last is more than or equal to 200ms and is less than or equal to 250ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if the second last row limit, left and right sides portion avalanche eye is arranged, then left and right sides the second last row limit portion avalanche intraocular is installed 10 sections Nonel detonators; If last the 3rd row top avalanche eye is arranged; Then last the 3rd row top avalanche intraocular is installed 9 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 250ms and is less than or equal to 300ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if the second last row limit, left and right sides portion avalanche eye is arranged, then left and right sides the second last row limit portion avalanche intraocular is installed 10 sections Nonel detonators; If also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 300ms and is less than or equal to 400ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 400ms and is less than or equal to 500ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators; Last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then.
When the electric detonator delay time that detonates at last is greater than 500ms and is less than or equal to 600ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators, and electric detonator is installed in other borehole on the tunnel tunnel face.
When the electric detonator delay time that detonates at last was greater than 600ms and is less than or equal to 750ms, the base plate intraocular was installed 14 sections Nonel detonators, and electric detonator is installed in other borehole on the tunnel tunnel face.
When the electric detonator delay time that detonates at last was greater than 750ms and is less than or equal to 900ms, other borehole was installed electric detonator on the tunnel tunnel face.
When step 3 connects blasting circuit, at first Nonel detonator is divided into groups 2～15 every group; Every group is 0ms with a delay time electric detonator is connected; All electric detonators connect into initiation net by parallel way.
The whether conducting of step 4 test blasting circuit.
Step 5 is detonated.
Embodiment two
The tunneling electron detonator and the Nonel detonator associating method of ignition, step is following:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, avalanche eye, base plate eye, periphery hole.
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber; Every grade of six snubbers are divided into the borehole that two groups of quantity equate, arrange with tunnel center line axial symmetry.
Avalanche eye: limit portion avalanche eye, top avalanche eye.
Limit portion avalanche eye is arranged with tunnel center line axial symmetry; First, second and third row limit portion avalanche eye of a left side, right first, second and third row limit portion avalanche eye, three limit portions of every row avalanche eye; From the tunnel center line nearest one classify the left and right first row limit portion avalanche eye as; Outwards be followed successively by left and right secondary series limit portion avalanche eye, left and right the 3rd row limit portion avalanche eye.
Top avalanche eye, four rows are respectively the first row top avalanche eye, the second row top avalanche eye, the 3rd row top avalanche eye, the 4th row top avalanche eye, eight of the first row top avalanche eyes, six of the second row top avalanche eyes from bottom to top; Four of the 3rd row top avalanche eyes, two of the 4th row top avalanche eyes, every row top avalanche eye is arranged with tunnel center line axial symmetry.
14 of base plate eyes are arranged with tunnel center line axial symmetry.
26 of periphery holes are arranged with tunnel center line axial symmetry.
Borehole is arranged as shown in Figure 1.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 200ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 200ms is installed in the first row top avalanche eye borehole the rightest or left side.
The base plate intraocular is installed 14 sections Nonel detonators and explosive; The 4th row top avalanche intraocular is installed 13 sections Nonel detonators and explosive; About the 3rd row limit portion avalanche intraocular 12 sections Nonel detonators and explosive are installed; The 3rd row top avalanche intraocular is installed 11 sections Nonel detonators and explosive, and secondary series limit, left and right sides portion avalanche intraocular is installed 10 sections Nonel detonators and explosive, and the second row top avalanche intraocular is installed 9 sections Nonel detonators and explosive; Other boreholes on the face be the first row top avalanche eye with about the first row limit portion avalanche eye.
Step 3 is divided into five groups to 64 Nonel detonators; Every group of number is respectively 13,13,13,13,12; Then, the electric detonator that five delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4 all personnel withdraws the explosion scene, then, adopts the whether conducting of electric detonator continuity test appearance test networking.If the networking is different, then search the networking, find reason, and connect the networking; If the networking conducting then gets into the step of detonating.
Step 5 adopts electronic detonator initiator to be charged in the networking, detonates then.
Embodiment three
Step 1 is with embodiment two.
The delay time that step 2 is provided with the electric detonator that detonates at last is 220ms, and the delay time that detonates at last is that the electric detonator of 220ms is installed on the first row top avalanche intraocular, and other is with the step 2 in the embodiment two.
Step 3 is with embodiment two.
Step 4 is with embodiment two.
Step 5 is with embodiment two.
Embodiment four
Step 1 is with embodiment two.
The delay time that step 2 is provided with the electric detonator that detonates at last is 250ms, and the delay time that detonates at last is that the electric detonator of 250ms is installed on the first row top avalanche intraocular, and other is with the step 2 in the embodiment two.
Step 3 is with embodiment two.
Step 4 is with embodiment two.
Step 5 is with embodiment two.
Embodiment five
Step 1 is with embodiment two.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 260ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular, the second row top avalanche intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 260ms is installed on the second row top avalanche intraocular.
The base plate intraocular is installed 14 sections Nonel detonators and explosive; The 4th row top avalanche intraocular is installed 13 sections Nonel detonators and explosive; About the 3rd row limit portion avalanche intraocular 12 sections Nonel detonators and explosive are installed; The 3rd row top avalanche intraocular is installed 11 sections Nonel detonators and explosive, and secondary series limit, left and right sides portion avalanche intraocular is installed 10 sections Nonel detonators and explosive.
Step 3 is divided into four groups to 58 Nonel detonators; Every group of number is respectively 15,15,15,13; Then, the electric detonator that four delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4 is with embodiment two.
Step 5 is with embodiment two.
Embodiment six
Step 1 is with embodiment five.
The delay time that step 2 is provided with the electric detonator that detonates at last is 300ms, and the delay time that detonates at last is that the electric detonator of 300ms is installed on the second row top avalanche intraocular, and other is with the step 2 in the embodiment five.
Step 3 is with embodiment five.
Step 4 is with embodiment five.
Step 5 is with embodiment five.
Embodiment seven
Step 1 is with embodiment two.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 310ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular, the second row top avalanche intraocular, secondary series limit, the left and right sides portion avalanche intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 310ms is installed on the second row top avalanche intraocular.
The base plate intraocular is installed 14 sections Nonel detonators and explosive; The 4th row top avalanche intraocular is installed 13 sections Nonel detonators and explosive; About the 3rd row limit portion avalanche intraocular 12 sections Nonel detonators and explosive are installed, the 3rd row top avalanche intraocular is installed 11 sections Nonel detonators and explosive.
Step 3 is divided into four groups to 52 Nonel detonators; Every group of number is respectively 13,13,13,13; Then, the electric detonator that four delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4 is with embodiment two.
Step 5 is with embodiment two.
Embodiment eight
Step 1 is with embodiment seven.
The delay time that step 2 is provided with the electric detonator that detonates at last is 400ms, and the delay time that detonates at last is that the electric detonator of 400ms is installed on the second row top avalanche intraocular, and other is with the step 2 in the embodiment seven.
Step 3 is with embodiment seven.
Step 4 is with embodiment seven.
Step 5 is with embodiment seven.
Embodiment nine
Step 1 is with embodiment two.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 410ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular, the second row top avalanche intraocular, secondary series limit, left and right sides portion avalanche intraocular, the 3rd row top avalanche intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 410ms is installed on the 3rd row top avalanche intraocular.
The base plate intraocular is installed 14 sections Nonel detonators and explosive, and the 4th row top avalanche intraocular is installed 13 sections Nonel detonators and explosive, about the 3rd row limit portion avalanche intraocular 12 sections Nonel detonators and explosive are installed.
Step 3 is divided into four groups to 48 Nonel detonators; Every group of number is respectively 12,12,12,12; Then, the electric detonator that four delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4, step 5 are with embodiment two.
Embodiment ten
Step 1 is with embodiment nine.
The delay time that step 2 is provided with the electric detonator that detonates at last is 500ms, and the delay time that detonates at last is that the electric detonator of 500ms is installed on the 3rd row top avalanche intraocular, and other is with the step 2 in the embodiment nine.
Step 3, step 4, step 5 are with embodiment nine.
Embodiment 11
Step 1 is with embodiment two.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 510ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular, the second row top avalanche intraocular, secondary series limit, left and right sides portion avalanche intraocular, the 3rd row top avalanche intraocular, about the 3rd row limit portion avalanche intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 510ms is installed on the 3rd row top avalanche intraocular.
The base plate intraocular is installed 14 sections Nonel detonators and explosive, and the 4th row top avalanche intraocular is installed 13 sections Nonel detonators and explosive.
Step 3 is divided into three groups to 42 Nonel detonators; Every group of number is respectively 14,14,14; Then, the electric detonator that three delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4, step 5 are with embodiment two.
Embodiment 12
Step 1 is with embodiment 11.
The delay time that step 2 is provided with the electric detonator that detonates at last is 600ms, and the delay time that detonates at last is that the electric detonator of 600ms is installed on the 3rd row top avalanche intraocular, and other is with the step 2 in the embodiment 11.
Step 3, step 4, step 5 are with embodiment 11.
Embodiment 13
Step 1 is with embodiment two.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 610ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular, the second row top avalanche intraocular, secondary series limit, left and right sides portion avalanche intraocular, the 3rd row top avalanche intraocular, about the 3rd row limit portion avalanche intraocular, the 4th row top avalanche intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 610ms is installed on the 4th row top avalanche intraocular.
The base plate intraocular is installed 14 sections Nonel detonators and explosive.
Step 3 is divided into three groups to 40 Nonel detonators; Every group of number is respectively 15,15, ten; Then, the electric detonator that three delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4, step 5 are with embodiment two.
Embodiment 14
Step 1 is with embodiment 13.
The delay time that step 2 is provided with the electric detonator that detonates at last is 750ms, and the delay time that detonates at last is that the electric detonator of 750ms is installed on the 4th row top avalanche intraocular, and other is with the step 2 in the embodiment 13.
Step 3, step 4, step 5 are with embodiment 13.
Embodiment 15
Step 1 is with embodiment two.
Step 2 explosive and electric detonator be installed in the first order snubber, in the snubber of the second level, in the third level snubber.
Be installed on explosive and 15 sections Nonel detonators in the periphery hole.
The firing order of borehole is snubber, avalanche eye, base plate eye, periphery hole.
The delay time that the electric detonator that detonates at last is set is 760ms.
The first row top avalanche intraocular, about the first row limit portion avalanche intraocular, the second row top avalanche intraocular, secondary series limit, left and right sides portion avalanche intraocular, the 3rd row top avalanche intraocular, about the 3rd row limit portion avalanche intraocular, the 4th row top avalanche intraocular, base plate intraocular electric detonator and explosive are installed, the delay time that detonates at last is that the electric detonator of 760ms is installed on the 4th row top avalanche intraocular.
Step 3 is divided into two groups to 26 Nonel detonators; Every group of number is respectively 13,13; Then, the electric detonator that two delay times are set is 0ms, every group of Nonel detonator is connected with the electric detonator that a delay time is 0ms; At last, all electric detonators adopt parallel way to form blasting circuit.
Step 4, step 5 are with embodiment two.
Embodiment 16
Step 1 is with embodiment 15.
The delay time that step 2 is provided with the electric detonator that detonates at last is 900ms, and the delay time that detonates at last is that the electric detonator of 900ms is installed on the 4th row top avalanche intraocular, and other is with the step 2 in the embodiment 15.
Step 3, step 4, step 5 are with embodiment 15.
Claims (1)
1. tunneling electron detonator and Nonel detonator are united the method for ignition, and this method may further comprise the steps:
Step 1 is pressed three grades of angled cut method blasthole drillings of tradition: snubber, avalanche eye, base plate eye, periphery hole;
Snubber is divided into three grades: first order snubber, second level snubber, third level snubber; Every grade of snubber is divided into the borehole that two groups of quantity equate, arranges with tunnel center line axial symmetry;
Avalanche eye: limit portion avalanche eye, top avalanche eye;
Limit portion avalanche eye is arranged with tunnel center line axial symmetry; About each N row limit portion avalanche eye; From the tunnel center line nearest one classify the first row limit portion avalanche eye as; Then, be followed successively by from the near to the remote secondary series limit portion avalanche eye, the 3rd row limit portion avalanche eye ..., N row portion avalanche eye, N=1,2,3,4 or 5;
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, M=1,2,3,4 or 5;
The base plate eye is arranged with tunnel center line axial symmetry; Periphery hole is arranged with tunnel center line axial symmetry;
Step 2 is installed on explosive, 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:
Detonator is selected electric detonator and Nonel detonator in the step 2;
Electric detonator is installed in first, second, third grade of snubber;
15 sections Nonel detonators are installed in the periphery hole;
When the electric detonator delay time that detonates at last is more than or equal to 200ms and is less than or equal to 250ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if the second last row limit, left and right sides portion avalanche eye is arranged, then left and right sides the second last row limit portion avalanche intraocular is installed 10 sections Nonel detonators; If last the 3rd row top avalanche eye is arranged; Then last the 3rd row top avalanche intraocular is installed 9 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then;
When the electric detonator delay time that detonates at last is greater than 250ms and is less than or equal to 300ms; The base plate intraocular is installed 14 sections Nonel detonators, and last row's top avalanche intraocular is installed 13 sections Nonel detonators, and last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if the second last row limit, left and right sides portion avalanche eye is arranged, then left and right sides the second last row limit portion avalanche intraocular is installed 10 sections Nonel detonators; If also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then;
When the electric detonator delay time that detonates at last is greater than 300ms and is less than or equal to 400ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators; Last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If the second last row top avalanche eye is arranged; Then the second last row top avalanche intraocular is installed 11 sections Nonel detonators, if also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then;
When the electric detonator delay time that detonates at last is greater than 400ms and is less than or equal to 500ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators; Last row limit portion avalanche intraocular of the left and right sides is installed 12 sections Nonel detonators; If also have other borehole on the tunnel tunnel face, electric detonator is installed in other borehole then;
When the electric detonator delay time that detonates at last is greater than 500ms and is less than or equal to 600ms; The base plate intraocular is installed 14 sections Nonel detonators; Last row's top avalanche intraocular is installed 13 sections Nonel detonators, and electric detonator is installed in other borehole on the tunnel tunnel face;
When the electric detonator delay time that detonates at last was greater than 600ms and is less than or equal to 750ms, the base plate intraocular was installed 14 sections Nonel detonators, and electric detonator is installed in other borehole on the tunnel tunnel face;
When the electric detonator delay time that detonates at last was greater than 750ms and is less than or equal to 900ms, other borehole was installed electric detonator on the tunnel tunnel face;
When step 3 connects blasting circuit, at first Nonel detonator is divided into groups 2～15 every group; Every group is 0ms with a delay time electric detonator is connected; All electric detonators connect into initiation net by parallel way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402677.4A CN102494574B (en) | 2011-12-07 | 2011-12-07 | Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110402677.4A CN102494574B (en) | 2011-12-07 | 2011-12-07 | Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494574A true CN102494574A (en) | 2012-06-13 |
| CN102494574B CN102494574B (en) | 2014-01-29 |
Family
ID=46186418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110402677.4A Active CN102494574B (en) | 2011-12-07 | 2011-12-07 | Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494574B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106091848A (en) * | 2016-06-22 | 2016-11-09 | 四川路桥华东建设有限责任公司 | A kind of realize overlength, high inclination-angle tunnel anchorage tops bar the method for explosion |
| CN107560509A (en) * | 2017-09-27 | 2018-01-09 | 贵州安凯达实业股份有限公司 | A kind of explosion attachment structure for photoface exploision |
| CN114111478A (en) * | 2020-08-27 | 2022-03-01 | 西南科技大学 | Detonating circuit combining electronic detonator and detonating cord and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0323687A1 (en) * | 1988-01-08 | 1989-07-12 | Shell Oil Company | Method of measuring, analysing, predicting and controlling vibrations induced by explosive blasting in earth formations |
| EP0692611A2 (en) * | 1994-07-13 | 1996-01-17 | SUNKYONG ENGINEERING & CONSTRUCTION LIMITED | Method for excavating a working face |
| CN101738148A (en) * | 2009-12-21 | 2010-06-16 | 煤炭科学研究总院南京研究所 | Tunnel medium-length hole smooth blasting method |
| CN201764913U (en) * | 2010-08-30 | 2011-03-16 | 中铁十九局集团有限公司 | Compound wedge-shaped cut |
-
2011
- 2011-12-07 CN CN201110402677.4A patent/CN102494574B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0323687A1 (en) * | 1988-01-08 | 1989-07-12 | Shell Oil Company | Method of measuring, analysing, predicting and controlling vibrations induced by explosive blasting in earth formations |
| EP0692611A2 (en) * | 1994-07-13 | 1996-01-17 | SUNKYONG ENGINEERING & CONSTRUCTION LIMITED | Method for excavating a working face |
| CN101738148A (en) * | 2009-12-21 | 2010-06-16 | 煤炭科学研究总院南京研究所 | Tunnel medium-length hole smooth blasting method |
| CN201764913U (en) * | 2010-08-30 | 2011-03-16 | 中铁十九局集团有限公司 | Compound wedge-shaped cut |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106091848A (en) * | 2016-06-22 | 2016-11-09 | 四川路桥华东建设有限责任公司 | A kind of realize overlength, high inclination-angle tunnel anchorage tops bar the method for explosion |
| CN107560509A (en) * | 2017-09-27 | 2018-01-09 | 贵州安凯达实业股份有限公司 | A kind of explosion attachment structure for photoface exploision |
| CN114111478A (en) * | 2020-08-27 | 2022-03-01 | 西南科技大学 | Detonating circuit combining electronic detonator and detonating cord and construction method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102494574B (en) | 2014-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109115061B (en) | Detonation control method for reducing blasting vibration | |
| CN103940309B (en) | A kind of method of underground blasting Cheng Jing | |
| CN106091848B (en) | It is a kind of to realize overlength, the method for high inclination-angle tunnel anchorage top bar explosion | |
| CN108132006B (en) | Anti-clogging quick well formation undercut blast hole arragement construction and its blasting method | |
| CN109839043B (en) | Presplitting blasting damping method | |
| CN103344154A (en) | Carbonaceous schist tunnel blasting method and construction method | |
| CN110671981B (en) | Smooth blasting method for vertical shaft tunneling in high stress environment | |
| CN109827480B (en) | Novel bundle-shaped hole slot-drawing blasting high-stage well forming method | |
| CN102494574B (en) | Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube | |
| CN108007285A (en) | A kind of stone head deep hole sublevel is segmented efficient Cut Blasting method | |
| CN102927866A (en) | Open-bench blasting method capable of controlling forward stroke of blasting muck pile | |
| CN110657722A (en) | Hole-by-hole initiation method for complex environment foundation pit excavation | |
| CN102967191A (en) | Blasting method for treatment of gob | |
| CN105606000A (en) | Partition control blasting method for tunnel rock drilling project | |
| CN203364671U (en) | Hole-by-hole blasting network | |
| CN102620612B (en) | Underground mine medium-length hole blasting method | |
| CN102564251B (en) | Single-hole continuous initiation method of electronic detonators in tunnel | |
| CN110657723B (en) | Smooth blasting method for hole-by-hole initiation in complex environment | |
| CN102494573B (en) | Tunnel electronic detonator mounting, connecting and detonating method | |
| CN114111478A (en) | Detonating circuit combining electronic detonator and detonating cord and construction method thereof | |
| KR102277179B1 (en) | Vibration Control Blasting Method Using Non-Electrical Brain Tubes | |
| CN103090752B (en) | A kind of gently inclined orebody medium-length hole Cutting Blasting method | |
| CN211552623U (en) | Hole-by-hole detonating network for trenching blasting | |
| CN214950938U (en) | Detonating network | |
| CN211120877U (en) | Vibration reduction type directional blasting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |