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Airblast Instrumentation and Measurement Techniques for Surface Mine Blasting.
Stachura VJ; Siskind DE; Engler AJ
MISSING :53 pages
The Bureau of Mines has investigated techniques and instrumentation that measure accurately the airblast overpressures from surface mine blasting. The results include equivalencies between broadband research instrumentation and commercially available impulse precision sound level meters measuring: root-mean-square, peak, fast, slow, impulse, a and c weighting, c-weighted sound exposure level (csel), and "linear" (flat) response. These values were obtained from field measurements and broadband fm tape recordings of production blasts at area and contour coal mines, limestone quarries, and iron mines. Frequency response was determined for 14 commercial systems.
IH; Report of Investigations
Page last reviewed: October 29, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division