Abstract
A series of tests were conducted to measure the acoustical characteristics of 10 different types of commercially available detonating cord. Test measurements were made using impulse sound level meters, recorded on tape, and analyzed for amplitude and frequency content. A number of curves are presented showing the variation in the sound pressure level with explosive core load in grains per foot, and direction of the blast wave. Covered and uncovered cord were detonated and the SPLs compared. Values obtained from these tests are compared with noise criteria for hearing damage and community response to high-intensity explosive noises. Results from sonic boom tests are used to correlate community reaction to the noise from blasting.
Published Version
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