TERRAIN EFFECTS ON BLAST WAVE PARAMETERS
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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The results are presented from large scale model terrain features exposed to the blast wave from a 100 ton TNT surface burst and a small scale terrain model exposed to the blast wave from the high pressure shock tube. The large scale model terrain study utilized five terrain features exposed to the blast at various pressure levels. The terrain features were equipped with various types of overpressure and dynamic pressure instrumentation. Ratios obtained from the pressure measured on the flat terrain and that measured on the rising and falling slopes are presented. For the small scale model test, pressures were measured over the rising and falling slopes of a 30 deg model hill exposed to the blast wave from the mouth of the detonation driven shock tube. The pressure time records measured are presented. The results compare favorably to previously reported model data.