AP880A - Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurisation of the bottom of a drill hole. - Google Patents
Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurisation of the bottom of a drill hole. Download PDFInfo
- Publication number
- AP880A AP880A APAP/P/1998/001192A AP9801192A AP880A AP 880 A AP880 A AP 880A AP 9801192 A AP9801192 A AP 9801192A AP 880 A AP880 A AP 880A
- Authority
- AP
- ARIPO
- Prior art keywords
- hole
- cartridge
- explosive
- stemming
- base
- Prior art date
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 237
- 238000000034 method Methods 0.000 title claims abstract description 123
- 239000011435 rock Substances 0.000 title abstract description 152
- 238000005422 blasting Methods 0.000 title abstract description 57
- 239000004567 concrete Substances 0.000 title description 8
- 239000007789 gas Substances 0.000 claims abstract description 148
- 230000035939 shock Effects 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 49
- 238000005474 detonation Methods 0.000 claims description 35
- 230000000977 initiatory effect Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 5
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 4
- UPSVYNDQEVZTMB-UHFFFAOYSA-N 2-methyl-1,3,5-trinitrobenzene;1,3,5,7-tetranitro-1,3,5,7-tetrazocane Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O.[O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UPSVYNDQEVZTMB-UHFFFAOYSA-N 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 27
- 230000008569 process Effects 0.000 abstract description 27
- 238000013461 design Methods 0.000 abstract description 21
- 238000010304 firing Methods 0.000 abstract description 17
- 238000003780 insertion Methods 0.000 abstract description 12
- 230000037431 insertion Effects 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 206010017076 Fracture Diseases 0.000 description 88
- 208000010392 Bone Fractures Diseases 0.000 description 67
- 239000003380 propellant Substances 0.000 description 36
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- 238000009412 basement excavation Methods 0.000 description 31
- 238000004364 calculation method Methods 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 14
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- 230000007774 longterm Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
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- 238000012354 overpressurization Methods 0.000 description 2
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- 230000005641 tunneling Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- GJKFDLBVJSERBP-UHFFFAOYSA-N NN.[N+](=O)([O-])C Chemical compound NN.[N+](=O)([O-])C GJKFDLBVJSERBP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
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- 229910003460 diamond Inorganic materials 0.000 description 1
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- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/117—Shaped-charge perforators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/16—Other methods or devices for dislodging with or without loading by fire-setting or by similar methods based on a heat effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/22—Elements for controlling or guiding the detonation wave, e.g. tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Disintegrating Or Milling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US192995P | 1995-08-04 | 1995-08-04 | |
| PCT/US1996/012749 WO1997006402A2 (en) | 1995-08-04 | 1996-08-02 | Controlled small-charge blasting by explosive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AP9801192A0 AP9801192A0 (en) | 1998-03-31 |
| AP880A true AP880A (en) | 2000-10-11 |
Family
ID=21698476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| APAP/P/1998/001192A AP880A (en) | 1995-08-04 | 1996-08-02 | Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurisation of the bottom of a drill hole. |
Country Status (15)
| Country | Link |
|---|---|
| US (3) | US6035784A (de) |
| EP (1) | EP0842391B1 (de) |
| JP (1) | JPH11510244A (de) |
| CN (1) | CN1072353C (de) |
| AP (1) | AP880A (de) |
| AT (1) | ATE243836T1 (de) |
| AU (1) | AU721680B2 (de) |
| BR (1) | BR9610088A (de) |
| CA (1) | CA2228646A1 (de) |
| DE (1) | DE69628839D1 (de) |
| NO (1) | NO980494L (de) |
| NZ (1) | NZ320772A (de) |
| PL (1) | PL182548B1 (de) |
| WO (1) | WO1997006402A2 (de) |
| ZA (1) | ZA966643B (de) |
Families Citing this family (77)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0842391B1 (de) * | 1995-08-04 | 2003-06-25 | RockTek Limited | Verfahren und vorrichtung zum kontrollierten sprengen von hartstein oder beton mittels einer kleinen ladung,wobei der boden des bohrloches unter explosiven druck gesetzt wird |
| AUPP021697A0 (en) * | 1997-11-06 | 1997-11-27 | Rocktek Limited | Radio detonation system |
| US6223656B1 (en) * | 1998-05-15 | 2001-05-01 | The Regents Of The University Of California | Pressure enhanced penetration with shaped charge perforators |
| KR100374389B1 (ko) * | 1998-10-12 | 2003-03-04 | 히타치 죠센 가부시키가이샤 | 니트로메탄을 이용한 파괴방법 |
| AU727506B2 (en) * | 1999-03-11 | 2000-12-14 | Rockmin Pty Ltd | Small charge blasting apparatus and method |
| US6332401B1 (en) | 1999-03-11 | 2001-12-25 | Rocktek Limited | Method and apparatus for pressure wave suppression in small-charge blasting |
| US6347837B1 (en) | 1999-03-11 | 2002-02-19 | Becktek Limited | Slide assembly having retractable gas-generator apparatus |
| US6339992B1 (en) | 1999-03-11 | 2002-01-22 | Rocktek Limited | Small charge blasting apparatus including device for sealing pressurized fluids in holes |
| AUPQ591000A0 (en) | 2000-02-29 | 2000-03-23 | Rockmin Pty Ltd | Cartridge shell and cartridge for blast holes and method of use |
| US6499406B2 (en) * | 2000-12-30 | 2002-12-31 | Dong Soo Shim | Blasting apparatus for forming horizontal underground cavities and blasting method using the same |
| US6679175B2 (en) | 2001-07-19 | 2004-01-20 | Rocktek Limited | Cartridge and method for small charge breaking |
| FI113803B (fi) * | 2001-11-12 | 2004-06-15 | Sandvik Tamrock Oy | Järjestely panosten syöttämiseksi porareikään |
| EP1461582A1 (de) * | 2002-01-03 | 2004-09-29 | Nxco International Limited | Explosionsdruckwellenkonzentrator |
| EP1461511B1 (de) * | 2002-01-03 | 2005-10-26 | Nxco International Limited | Treibladungszünderelement |
| AU2003200490B2 (en) * | 2002-02-20 | 2008-05-08 | Rocktek Ltd. | Apparatus and method for fracturing a hard material |
| BR0313171B1 (pt) * | 2002-08-05 | 2011-11-16 | ferramenta, kit e método para fragmentar material duro. | |
| WO2007033387A1 (en) * | 2005-05-27 | 2007-03-22 | Marianna Suzanne Van Rensburg | Shock tube centering device |
| ZA200702672B (en) * | 2006-03-31 | 2008-05-28 | Lamos Richard Andreas | Blasting method for controlled multiple sequential blasts in multi-diameter blastholes |
| CA2544818A1 (en) * | 2006-04-25 | 2007-10-25 | Precision Energy Services, Inc. | Method and apparatus for perforating a casing and producing hydrocarbons |
| US20100107917A1 (en) * | 2006-09-27 | 2010-05-06 | Montanuniversitat Leoben | Explosive Cartridge And A Method Of Arranging An Explosive Cartridge In A Blast Hole |
| CA2666645A1 (en) * | 2006-10-19 | 2008-08-21 | Carroll Bassett | Self-stemming cartridge |
| FI120418B (fi) * | 2007-12-27 | 2009-10-15 | Sandvik Mining & Constr Oy | Menetelmä ja laitteisto pienpanoslouhintaan |
| JP5343195B2 (ja) * | 2008-04-02 | 2013-11-13 | 国立大学法人 熊本大学 | 衝撃波処理方法および処理装置 |
| US20090314177A1 (en) * | 2008-06-19 | 2009-12-24 | George Laszlo | Tamping Device |
| US7954433B1 (en) | 2008-07-24 | 2011-06-07 | Matt Bradley Barnett | Explosive shaped charge device |
| FI122760B (fi) * | 2008-09-15 | 2012-06-29 | Sandvik Mining & Constr Oy | Menetelmä säröilyn muodostamiseksi kivimateriaaliin ja rikkomislaite |
| WO2011075493A1 (en) * | 2009-12-15 | 2011-06-23 | J.H. Fletcher & Co. | Mining machine with booms providing enhanced rib access |
| RU2519318C1 (ru) | 2010-04-06 | 2014-06-10 | Сандвик Майнинг Энд Констракшн Рса (Пти) Лтд | Породоразрушающее изделие |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4886126A (en) * | 1988-12-12 | 1989-12-12 | Baker Hughes Incorporated | Method and apparatus for firing a perforating gun |
Family Cites Families (81)
| Publication number | Priority date | Publication date | Assignee | Title |
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- 1996-08-02 PL PL96327283A patent/PL182548B1/pl unknown
- 1996-08-02 WO PCT/US1996/012749 patent/WO1997006402A2/en not_active Ceased
- 1996-08-02 AU AU73576/96A patent/AU721680B2/en not_active Ceased
- 1996-08-02 AT AT96935776T patent/ATE243836T1/de not_active IP Right Cessation
- 1996-08-02 US US08/692,053 patent/US6035784A/en not_active Expired - Fee Related
- 1996-08-02 AP APAP/P/1998/001192A patent/AP880A/en active
- 1996-08-02 NZ NZ320772A patent/NZ320772A/en unknown
- 1996-08-02 CN CN96197468A patent/CN1072353C/zh not_active Expired - Fee Related
- 1996-08-02 JP JP9508598A patent/JPH11510244A/ja active Pending
- 1996-08-02 DE DE69628839T patent/DE69628839D1/de not_active Expired - Lifetime
- 1996-08-02 BR BR9610088A patent/BR9610088A/pt not_active Application Discontinuation
- 1996-08-02 CA CA002228646A patent/CA2228646A1/en not_active Abandoned
- 1996-08-05 ZA ZA9606643A patent/ZA966643B/xx unknown
-
1998
- 1998-02-04 NO NO980494A patent/NO980494L/no unknown
-
1999
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-
2000
- 2000-11-10 US US09/710,497 patent/US6435096B1/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| NO980494L (no) | 1998-04-03 |
| EP0842391A4 (de) | 2001-03-14 |
| AP9801192A0 (en) | 1998-03-31 |
| PL327283A1 (en) | 1998-12-07 |
| EP0842391A2 (de) | 1998-05-20 |
| DE69628839D1 (de) | 2003-07-31 |
| NZ320772A (en) | 2000-02-28 |
| CN1072353C (zh) | 2001-10-03 |
| CN1198812A (zh) | 1998-11-11 |
| US6435096B1 (en) | 2002-08-20 |
| WO1997006402A3 (en) | 1997-04-03 |
| ZA966643B (en) | 1997-02-19 |
| BR9610088A (pt) | 1999-03-23 |
| ATE243836T1 (de) | 2003-07-15 |
| US6035784A (en) | 2000-03-14 |
| CA2228646A1 (en) | 1997-02-20 |
| NO980494D0 (no) | 1998-02-04 |
| WO1997006402A2 (en) | 1997-02-20 |
| JPH11510244A (ja) | 1999-09-07 |
| US6148730A (en) | 2000-11-21 |
| AU721680B2 (en) | 2000-07-13 |
| EP0842391B1 (de) | 2003-06-25 |
| MX9801011A (es) | 1998-10-31 |
| PL182548B1 (pl) | 2002-01-31 |
| AU7357696A (en) | 1997-03-05 |
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