GROUND ACCELERATION, STRESS, AND STRAIN AT HIGH INCIDENT OVERPRESSURES
STANFORD RESEARCH INST MENLO PARK CA
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Project 1.4 objectives were to measure under ground effects of a nuclear air burst Shot Priscilla 36.6 kt as they vary with time, depth, and ground range, particularly in the region of high pressure furnish, from the measurements, input data to other projects and analyze these measurements with results of other tests. At 750 and 1,050 feet from ground zero, acceleration, stress, and strain measurements were made at several depths down through 50 feet, including two measurements each of horizontal acceleration and stress. At 450, 550, 650, 750, 850, 1,050, and 1,350 feet, vertical acceleration and stress were measured at 50-and 10-foot depths.