Last edited by Kazrazil
Friday, July 24, 2020 | History

2 edition of Experimentation with large hole burn cut drift rounds found in the catalog.

Experimentation with large hole burn cut drift rounds

Joseph J. Yancik

Experimentation with large hole burn cut drift rounds

by Joseph J. Yancik

  • 271 Want to read
  • 7 Currently reading

Published by Missouri School of Mines and Metallurgy in Rolla .
Written in English

    Subjects:
  • Blasting.

  • Edition Notes

    Bibliography: p. 50.

    Statementby Joseph J. Yancik, Jr. and George B. Clark.
    SeriesMissouri. University. School of Mines and Metallurgy. Bulletin. Technical series,, no. 93
    ContributionsClark, George Bromley, 1912- joint author.
    Classifications
    LC ClassificationsTA1 .M75 no. 93
    The Physical Object
    Pagination50 p.
    Number of Pages50
    ID Numbers
    Open LibraryOL213277M
    LC Control Numbera 57009299
    OCLC/WorldCa13788214

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Experimentation with large hole burn cut drift rounds by Joseph J. Yancik Download PDF EPUB FB2

DESIGN OF A DRIFT ROUND WITH A LARGE HOLE BURN CUT Large Hole Burn Cut There are three general types of cuts which serve to provide a second free face to which the rest of the Experimentation with large hole burn cut drift rounds book round holes may break an angled cut, 2.

a burn or shatter cut, and 3. combinations of the preceding twoA The large hole burn cut, as is evident by its name Author: Yancik, J Joseph. AN ANALYSIS OF BURN CUT PULL OPTIMIZATION THROUGH VARYING RELIEF HOLE DEPTHS by MICHAEL ROBERT ALLEN A THESIS Presented to the Faculty of the Graduate School of the.

The Big Drift, by Patrick Dearen, is an old-fashioned novel about cowboys, something that I find to be refreshingly right. Except for the issue of race, which runs straight through the narrative, this book could have been written any time in the last years/5.

These rounds are simpler to drill than angled cut rounds. Once the central opening has been established, the round resembles a bench round turned on its side. Figure shows a comparison of typical muckpiles obtained from V-cut and burn-cut blast rounds.

Burn cuts give more uniform fragmentation and a more compact muckpile than V-cuts. In step 4, a four-quadrangle cut with a final side dimension of m has been selected for use.

A single, large diameter, uncharged hole provides the initial free surface. The numbers refer to the number of the half second delay (No. 1 is s delay, No. 2 is s delay, etc.) being used.

The cut has been superimposed on the design in Figure 9. Experimental drift linings in a block-caving operation: A field demonstration [William C. McLaughlin] on *FREE* shipping on qualifying offers.

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Drawing on satellite observations and computer models of emissions, the researchers concluded that widespread prescribed burns can reduce fire. Investigations were carried out in one of the metal mines in eastern India where burn cut is practised on a large scale.

A study has been carried out to assess the blast induced damage to the rockmass, particularly, with burn cuts where the free face is quite less in comparison to angled cuts. The type of. A bullet hole is far smaller than the opening of the outflow valve.

In fact, such a hole would account for less air leakage than what is normally lost around door and window seals.". • The act of pulling the trigger serves to release the weapon's firing pin, causing it to strike the primer, which in turn ignites the powder. • The expanding gases generated by the burning gunpowder propel the bullet forward through the barrel, simultaneously pushing the spent cartridge case or shell back with equal force against the breech face.

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