CN104567567B - The water-filling method in non-coupling charging big gun hole in a kind of Tunnel Blasting construction - Google Patents
The water-filling method in non-coupling charging big gun hole in a kind of Tunnel Blasting construction Download PDFInfo
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- CN104567567B CN104567567B CN201410845624.3A CN201410845624A CN104567567B CN 104567567 B CN104567567 B CN 104567567B CN 201410845624 A CN201410845624 A CN 201410845624A CN 104567567 B CN104567567 B CN 104567567B
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Abstract
A kind of for the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process, Explosive roll is wrapped in the end of blast pipe at the bottom of hole (3) by adhesive plaster, at the bottom of hole the top and bottom of blast pipe respectively by pipe clamp (6) by lines of orifices tracheae (2), water injection pipe (4) is fixed and is formed and arranges shape from top to bottom, Explosive roll together to be smash bottom big gun hole by tamper and fill stemming afterwards and reinstall plug for borehole (1), during water filling, injector be connected on water filling pipe end and inject water, blocked by mouth of pipe plug (5) when lines of orifices tracheae starts to spray water outward, illustrate that when blast pipe at the bottom of hole also starts to spray water outward the cavity in big gun hole is filled with water, then by mouth of pipe plug, blocking is implemented to blast pipe at the bottom of hole, remove injector and by mouth of pipe plug, blocking implemented to water injection pipe, so far the water filling work in non-coupling charging big gun hole is completed, water-filling method is simple and reliable, water filling device is with low cost, save constructing tunnel cost, be convenient to constructing tunnel promote the use of.
Description
Technical field
The invention belongs to blast charging technical field, especially a kind of for the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process.
Background technology
In Tunnel Blasting construction, the flue dust produced by explosion is the difficult point of major long tunnel construction, and contains poisonous, pernicious gas in a large number in the flue dust of explosion, and as discharged not in time, workmen enters face intoxicating phenomenon will occur.
The non-coupling charging mode of the many employings of current Tunnel Blasting, the non-coupling charging meaning refers to that the diameter in big gun hole is greater than the diameter of Explosive roll.Utilize prefabricated water-band to replace part stemming to block big gun hole also toward water filling in big gun hole during non-coupling charging more, although which can flue dust after limited reduction explosion and content that is poisonous, pernicious gas, but reduce the blocking effect of stemming, the water yield of simultaneously filling in big gun hole is limited, and the surrounding of Explosive roll not filling aqueous water, therefore can not better reach hydraulic pressure demolition effect.
Summary of the invention
For solving the problem, the invention provides a kind of for the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process, this water-filling method can successfully inject water in big gun hole, and do not produce leakage phenomenon, providing possibility for realizing hydraulic pressure demolition, improve demolition effect, save the use amount of Explosive roll, dust after effective reduction explosion in air and toxic and harmful content, for constructing tunnel provides convenient.
For achieving the above object, the present invention adopts following technical scheme:
For the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process, the diameter in setting big gun hole is Dcm and its length is Lcm, and the diameter of setting Explosive roll is dcm and its length is L
1cm, D > d and L > L
1the burst size of described Explosive roll meets described shot hole blasting demand, stemming, tamper, injector and water filling device is related in this water-filling method, described water filling device comprises blast pipe, water injection pipe, mouth of pipe plug and pipe clamp at the bottom of plug for borehole, lines of orifices tracheae, hole, the effective length L of given plug for borehole
2>=20cm, then the depth of cracking closure L of described stemming
3≈ { L-L
1-L
2cm, feature of the present invention is as follows:
In described water filling device, plug for borehole consists of nature transition cylindrical section and chamfering section, described cylindrical section external diameter=D, described cylindrical section length+described chamfering segment length=L
2be arranged in sequence with mouth at the bottom of equal upper aperture, aperture, hole and water filling port from top to bottom at arbitrary side of plug for borehole and make correspondence markings respectively, corresponding grafting aperture blast pipe in described upper aperture, blast pipe at the bottom of corresponding spliced eye in mouth at the bottom of described hole, corresponding grafting water injection pipe in described water filling port, blast pipe and water injection pipe at the bottom of lines of orifices tracheae, hole are the equal hollow plastic tube of external diameter and equal with described aperture, the external diameter≤D-d of described hollow plastic tube;
When described Explosive roll is installed, described Explosive roll is wrapped in the end of blast pipe at the bottom of hole by adhesive plaster and guarantees how long described Explosive roll goes out 5cm than the end of blast pipe at the bottom of hole, the total length L of blast pipe at the bottom of this hole when
4can not < L; At the bottom of hole, lines of orifices tracheae is fixed by several pipe clamp by the upper end of blast pipe, and now the total length of lines of orifices tracheae can not < { L – L
1+ 5cm}; At the bottom of hole, water injection pipe is fixed by several pipe clamp by the lower end of blast pipe, and now the total length of water injection pipe can not < { L
4– 20cm}, blast pipe at the bottom of lines of orifices tracheae, hole and water injection pipe is made to be arranged in order shape from top to bottom other formation of described Explosive roll after fixing by several pipe clamp, by described tamper, described Explosive roll is together smash bottom described big gun hole by described arrangement shape, smash fashionable due to water injection pipe and lines of orifices tracheae to be fixed by several pipe clamp and by together with enter in described big gun hole, in described big gun hole, fill described stemming afterwards, when noticing that described stemming is filled to described aperture place, big gun hole, will L be reserved
2length is to load plug for borehole, blast pipe at the bottom of lines of orifices tracheae, hole and water injection pipe are inserted mouth and described water filling port at the bottom of the described upper aperture of plug for borehole, described hole respectively by correspondence markings, plug for borehole all being injected aperture place, described big gun hole again and shutoff is implemented to described big gun hole, noticing that the position in mouth and described water filling port big gun hole described in shutoff at the bottom of the described upper aperture of plug for borehole, described hole is also in being arranged in order shape from top to bottom;
During water filling, no matter how described injector is all connected on water filling pipe end and implements water filling by the inclination angle in described big gun hole, blocked by mouth of pipe plug when lines of orifices tracheae starts to spray water outward, when blast pipe at the bottom of hole also starts to illustrate when spraying water outward that the cavity in described big gun hole is filled with water, then by mouth of pipe plug, blocking is implemented to blast pipe at the bottom of hole, remove described injector and by mouth of pipe plug, blocking implemented to water injection pipe, so far completing the water filling work in non-coupling charging big gun hole.
Above-mentioned plug for borehole or mouth of pipe plug or formed by plastic production, or be made by rubber, or be made by cork, or be made by silica gel.
Owing to adopting technical scheme described above, the present invention produces following good effect:
1, water-filling method of the present invention can successfully inject water in big gun hole, do not produce leakage phenomenon, possibility is provided for realizing hydraulic pressure demolition, improve demolition effect, save the use amount of Explosive roll, dust after effective reduction explosion in air and toxic and harmful content, saved constructing tunnel cost, and economic benefit clearly.
2, water-filling method of the present invention is simple and reliable, and water filling device is with low cost, is convenient to popularization and the use of constructing tunnel.
Accompanying drawing explanation
Fig. 1 is the simplified schematic diagram that plug for borehole configures each pipe.
Fig. 2 is the section simplified schematic diagram of water filling device in the present invention.
In above-mentioned figure: 1-plug for borehole; 2-lines of orifices tracheae; Blast pipe at the bottom of 3-hole; 4-water injection pipe; 5-mouth of pipe plug; 6-pipe clamp.
Detailed description of the invention
The present invention is a kind of for the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process, and water-filling method of the present invention is simple and reliable, and water filling device is with low cost, is convenient to popularization and the use of constructing tunnel.
First set that the diameter in big gun hole is Dcm and its length is Lcm, the diameter of setting Explosive roll is dcm and its length is L
1cm, D > d and L > L
1, the burst size of described Explosive roll meets described shot hole blasting demand.
In conjunction with Fig. 1-2, stemming, tamper, injector and water filling device is related in water-filling method of the present invention, described water filling device comprises blast pipe 3, water injection pipe 4, mouth of pipe plug 5 and pipe clamp 6 at the bottom of plug for borehole 1, lines of orifices tracheae 2, hole, the effective length L of given plug for borehole 1
2>=20cm, then the depth of cracking closure L of described stemming
3≈ { L-L
1-L
2cm.
In described water filling device of the present invention, plug for borehole 1 consists of nature transition cylindrical section and chamfering section, described cylindrical section external diameter=D, described cylindrical section length+described chamfering segment length=L
2be arranged in sequence with mouth at the bottom of equal upper aperture, aperture, hole and water filling port from top to bottom at arbitrary side of plug for borehole 1 and make correspondence markings respectively, corresponding grafting aperture blast pipe 2 in described upper aperture, blast pipe 3 at the bottom of corresponding spliced eye in mouth at the bottom of described hole, corresponding grafting water injection pipe 4 in described water filling port, blast pipe 3 at the bottom of lines of orifices tracheae 2, hole and water injection pipe 4 are the equal hollow plastic tube of external diameter and equal with described aperture, the external diameter≤D-d of described hollow plastic tube.
When described Explosive roll is installed, described Explosive roll is wrapped in the end of blast pipe at the bottom of hole by adhesive plaster and guarantees how long described Explosive roll goes out 5cm than the end of blast pipe at the bottom of hole, the total length L of blast pipe at the bottom of this hole when
4can not < L.
At the bottom of hole, lines of orifices tracheae is fixed by several pipe clamp by the upper end of blast pipe, and now the total length of lines of orifices tracheae can not < { L – L
1+ 5cm}.
At the bottom of hole, water injection pipe is fixed by several pipe clamp by the lower end of blast pipe, and now the total length of water injection pipe can not < { L
4– 20cm}, blast pipe at the bottom of lines of orifices tracheae, hole and water injection pipe is made to be arranged in order shape from top to bottom other formation of described Explosive roll after fixing by several pipe clamp, by described tamper, described Explosive roll is together smash bottom described big gun hole by described arrangement shape, smash fashionable due to water injection pipe and lines of orifices tracheae to be fixed by several pipe clamp and by together with enter in described big gun hole, in described big gun hole, fill described stemming afterwards, the depth of cracking closure of described stemming controls at L
3, when noticing that described stemming is filled to described aperture place, big gun hole, to L be reserved
2length is to load plug for borehole, blast pipe at the bottom of lines of orifices tracheae, hole and water injection pipe are inserted mouth and described water filling port at the bottom of the described upper aperture of plug for borehole, described hole respectively by correspondence markings, plug for borehole is all injected aperture place, described big gun hole again and shutoff is implemented to described big gun hole, notice that the position in mouth and described water filling port big gun hole described in shutoff at the bottom of the described upper aperture of plug for borehole, described hole is also in being arranged in order shape from top to bottom, such installation is optimum position.
During water filling, no matter how described injector is all connected on water filling pipe end and implements water filling by the inclination angle in described big gun hole, blocked by mouth of pipe plug when lines of orifices tracheae starts to spray water outward, when blast pipe at the bottom of hole also starts to illustrate when spraying water outward that the cavity in described big gun hole is filled with water, then by mouth of pipe plug, blocking is implemented to blast pipe at the bottom of hole, remove described injector and by mouth of pipe plug, blocking implemented to water injection pipe, so far the water filling work in non-coupling charging big gun hole is completed, plug for borehole or mouth of pipe plug or formed by plastic production, or be made by rubber, or be made by cork, or be made by silica gel.
Can obviously be found out by above-mentioned the injecting process, water-filling method is simple and reliable, and the cost of water filling device is also cheap, has saved constructing tunnel cost, is convenient to very much popularizing and using of constructing tunnel.
Claims (2)
1. for the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process, the diameter in setting big gun hole is Dcm and its length is Lcm, and the diameter of setting Explosive roll is dcm and its length is L
1cm, D > d and L > L
1the burst size of described Explosive roll meets described shot hole blasting demand, stemming, tamper, injector and water filling device is related in this water-filling method, described water filling device comprises blast pipe (3), water injection pipe (4), mouth of pipe plug (5) and pipe clamp (6) at the bottom of plug for borehole (1), lines of orifices tracheae (2), hole, the effective length L of given plug for borehole (1)
2>=20cm, then the depth of cracking closure L of described stemming
3≈ { L-L
1-L
2cm, it is characterized in that:
In described water filling device, plug for borehole (1) consists of nature transition cylindrical section and chamfering section, the external diameter=D of described cylindrical section, the length=L of the length+described chamfering section of described cylindrical section
2be arranged in sequence with mouth at the bottom of equal upper aperture, aperture, hole and water filling port from top to bottom at arbitrary side of plug for borehole (1) and make correspondence markings respectively, described upper aperture correspondence is plugged with lines of orifices tracheae (2), corresponding grafting porose end blast pipe (3) of mouth at the bottom of described hole, described water filling port correspondence is plugged with water injection pipe (4), blast pipe (3) at the bottom of lines of orifices tracheae (2), hole and water injection pipe (4) are the equal hollow plastic tube of external diameter and equal with described aperture, the external diameter≤D-d of described hollow plastic tube;
When described Explosive roll is installed, described Explosive roll is wrapped in the end of blast pipe at the bottom of hole (3) by adhesive plaster and guarantees how long described Explosive roll goes out 5cm than the end of blast pipe at the bottom of hole (3), the total length L of blast pipe (3) at the bottom of this hole when
4can not < L; At the bottom of hole, lines of orifices tracheae (2) is fixed by several pipe clamp (6) by the upper end of blast pipe (3), and now the total length of lines of orifices tracheae (2) can not < { L – L
1+ 5cm}; At the bottom of hole, water injection pipe (4) is fixed by several pipe clamp (6) by the lower end of blast pipe (3), and now the total length of water injection pipe (4) can not < { L
4– 20cm}, blast pipe (3) at the bottom of lines of orifices tracheae (2), hole and water injection pipe (4) is made to be arranged in order shape from top to bottom other formation of described Explosive roll after fixing by several pipe clamp (6), by described tamper, described Explosive roll is together smash bottom described big gun hole by described arrangement shape, smash fashionable due to water injection pipe (4) and lines of orifices tracheae (2) fixing and entered in described big gun hole together by several pipe clamp (6), in described big gun hole, fill described stemming afterwards, when noticing that described stemming is filled to described aperture place, big gun hole, will L be reserved
2length is to load plug for borehole (1), blast pipe (3) at the bottom of lines of orifices tracheae (2), hole and water injection pipe (4) are inserted mouth and described water filling port at the bottom of the described upper aperture of plug for borehole (1), described hole respectively by correspondence markings, again plug for borehole (1) all being injected aperture place, described big gun hole and shutoff is implemented to described big gun hole, noticing that the position in mouth and described water filling port big gun hole described in shutoff at the bottom of the described upper aperture of plug for borehole (1), described hole is also in being arranged in order shape from top to bottom;
During water filling, no matter how described injector is all connected on water injection pipe (4) and holds and implement water filling by the inclination angle in described big gun hole, when lines of orifices tracheae (2) starts to be blocked by mouth of pipe plug (5) when spraying water outward, when blast pipe at the bottom of hole (3) also starts to illustrate when spraying water outward that the cavity in described big gun hole is filled with water, then by mouth of pipe plug (5), blocking is implemented to blast pipe at the bottom of hole (3), remove described injector and by mouth of pipe plug (5), blocking implemented to water injection pipe (4), so far completing the water filling work in non-coupling charging big gun hole.
2. a kind of for the water-filling method in coupling charging big gun hole non-in Tunnel Blasting process according to claim 1, it is characterized in that: plug for borehole (1) or mouth of pipe plug (5) or formed by plastic production, or be made by rubber, or be made by cork, or be made by silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845624.3A CN104567567B (en) | 2014-12-31 | 2014-12-31 | The water-filling method in non-coupling charging big gun hole in a kind of Tunnel Blasting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845624.3A CN104567567B (en) | 2014-12-31 | 2014-12-31 | The water-filling method in non-coupling charging big gun hole in a kind of Tunnel Blasting construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104567567A CN104567567A (en) | 2015-04-29 |
| CN104567567B true CN104567567B (en) | 2016-04-20 |
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Families Citing this family (5)
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| CN104964620B (en) * | 2015-05-27 | 2016-08-17 | 中钢集团马鞍山矿山研究院有限公司 | A kind of blasting method reducing blasting fume harm |
| CN105043175A (en) * | 2015-07-07 | 2015-11-11 | 中铁十九局集团第二工程有限公司 | Water pressure blasting method used in tunnel construction |
| CN106839910B (en) * | 2017-02-20 | 2018-10-12 | 山东大学 | Blasthole plugging device, method and application when being acquired for advance geologic prediction data |
| CN107861148A (en) * | 2017-10-12 | 2018-03-30 | 山东大学 | Integrate blast hole projectile filling, water filling and the TSP data acquisition devices measured |
| CN110376640A (en) * | 2019-08-22 | 2019-10-25 | 山东大学 | Advanced prediction dynamite charge and blasthole water filling integrated apparatus and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954058A (en) * | 1974-05-03 | 1976-05-04 | Barney Sanders | Coal mine shooting plug |
| US4660644A (en) * | 1986-01-31 | 1987-04-28 | Richard Egnor | Inflatable rubber blasting hole plug |
| AUPR582001A0 (en) * | 2001-06-20 | 2001-07-12 | Banjura Pty Ltd | Protection of blast holes |
| CN1975113A (en) * | 2005-11-28 | 2007-06-06 | 李继水 | Coal mine pressed pulsed infusion technology |
| CN102829677A (en) * | 2012-06-15 | 2012-12-19 | 王树海 | Water medium explosion technology |
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