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Fragblast
International Journal for Blasting and Fragmentation
Volume 4, 2000 - Issue 1
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Original Articles

Perimeter blasting in granite with holes with axial notches and radial bottom slots

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Pages 55-82 | Published online: 01 Apr 2009

References

  • Bjarnholt , G. 1986 . “ On fracture initiation and propagation at a borehole wall in a plane perpendicular to the borehole axis ” . In SveDeFo report DS 1986:2 , Stockholm : Swedish Detonic Research Foundation .
  • Bjarnholt , G. , Holloway , D. C. , Wilson , W. H. and Mäki , K. 1988 . “ Smooth wall blasting using notched boreholes - field study ” . In SveDeFo report DS 1988:3 Ibid
  • Iihoshi , S. , Kawakami , J. , Igarashi , T. and Nakao , K. 1987 . Smooth blasting using blast holes with notches and slots . Kogyo Kayaku or J. Industrial Explosives Soc. Japan , 48 ( 6 ) In Japanese
  • Haas , C. J. 1964 . Coupling between unconfined explosive charges and rock , Dr Science Thesis Golden, CO : Colorado School of Mines .
  • Holloway , D. C. , Bjarnholt , G. and Wilson , W. H. 1987 . “ A field study of fracture control techniques for smooth wall blasting: Part 2 ” . In Proc. 2nd Intnl Symp. on Rock Fragmentation by Blasting , Edited by: Fourney , W. L. and Dick , R. D. 646 – 656 . Bethel, CT : SEM .
  • Hällerstrand , S. , ed. 1991 . Handbook of blasting technology. SNRA Publication 1988:22: Section 4.44 , Borlánge : Swedish National Road Administration . … In Swedish
  • Nakagawa , K. , Nishida , T. , Ono , Y. and Kawakami , J. 1986 . Blast control and smooth blasting using notched blast hole technique . Doboku Gakkai Ronbimshu or Proc. Japan Society of Civil Engineers , VI-5 ( 373 ) : 131 – 138 . In Japanese
  • Niklasson , B. and Keisu , M. . New methods for contour blasting using electronic detonators and water-notched boreholes, including longer drift rounds without large cut holes . Proc. 4th High-tech Sem. Blasting Techn., Instr. and Explosives Appl . Allentown, PA : BAI .
  • Niklasson , B. , Keisu , M. and Mattsson , H. Å. 1992 . “ Contour blasting with exact delays and notched holes ” . In SveDeFo report DS 1992:2 , Stockholm : Swedish Detonic Research Foundation . In Swedish
  • Olsson , M. and Bergqvist , I. . Crack lengths from explosives in multiple hole blasting . Proc. 5th Intnl Symp. on Rock Fragmentation by Blasting . Edited by: Mohanty , B. pp. 191 – 197 . Rotterdam : Balkema .
  • Ouchterlony , F. 1997 . Prediction of crack lengths in rock after cautious blasting with zero inter-hole delay . FRAGBLAST -Intnl J. Blasting and Fragmentation , 1 : 417 – 444 .
  • Ouchterlony , F. , Olsson , M. and Bavik , S. O. . Cautious blasting with holes with radial bottom slots, results from a 130 m road cut at Södertälje . Proc. Ann. Disc. Meeting Swedish Rock Blasting Committee BK-99 . pp. 137 – 169 . Stockholm : Bergsprängningskommittén . In Swedish
  • Sanchidrián , J. A. , Garcia-Bermudez , P. and Jimeno , C. L. 1998 . On borehole pressure and spacing in cautious blasting with an extension to water-filled holes . FRAGBLAST - Intnl J. Blasting and Fragmentation , 2 : 235 – 248 .
  • Tsoutrclis , C. E. , Gikas , N. , Nomikos , P. and Exadaktylos , G. 1997 . Use of notched boreholes for fracture controlled blasting in the ornamental stone quarries . FRAGBLAST- Intnl J. Blasting and Fragmentation , 1 : 445 – 463 .

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