EXPLOSIONS AND SNOW

AVAILABLE INFORMATION ON THE RESPONSE OF SNOW TO EXPLOSIONS AND ON THE MODIFICATION OF BLAST EFFECTS BY SNOW IS SUMMARIZED. EXPLOSIVE CHARGES ARE FIRED IN SNOW FOR A VARIETY OF TECHNICAL PURPOSES. EXPLOSIVES ARE USED TO TRIGGER CONTROLLED AVALANCHES AND TO BREAK CORNICES WHICH THREATEN TO START AVALANCHES. THE PARTICULAR WAY OF USING EXPLOSIVES IS DECIDED AFTER ASSESSING THE PREVAILING SNOW AND TERRAIN CONDITIONS. THERE ARE THREE GENERAL METHODS FOR DISTURBING THE SNOW' FIRING AIR OR SURFACE SHOTS, FIRING CHARGES BURIED IN THE SNOW, AND FIRING CHARGES BURIED IN THE UNDERLYING GROUND. AIRBLASTS SPREAD THE EXPLOSIVE DISTURBANCE OVER A WIDE AREA, IN CONTRAST TO EXPLOSIONS WITHIN THE SNOW COVER, WHICH ARE ATTENUATED RAPIDLY IN A SMALL RADIUS. CHARGES FIRED INSIDE THE SNOW TRANSFER MAXIMUM ENERGY TO THE SNOW WHEN DEEPLY BURIED AND TAMPED, BUT THE SHOCK EFFECT IS STRICTLY LOCALIZED. EXPLOSIONS IN THE UNDERLYING GROUND GIVE EFFICIENT ENERGY TRANSFER AND SPREAD THE SHOCK WIDELY. THERE IS THE POSSIBILITY THAT EXPLOSIVE WEAPONS MAY BE EMPLOYED IN A SNOW ENVIRONMENT.

  • Supplemental Notes:
    • Part 3, SecT A3A, 34 PP
  • Corporate Authors:

    Terrestrial Sciences Center, Army /US

    /Cold Regions Science and Engineering
    ,   USA 
  • Authors:
    • Mellor, M
  • Publication Date: 1965

Subject/Index Terms

Filing Info

  • Accession Number: 00233968
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Mar 20 1994 12:00AM