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Noise and Vibrations in Residential Structures from Quarry Production Blasting Measurements At Six Sites in Illinois.

Authors
Siskind-DE; Stachura-VJ; Radcliffe-KS
Source
NTIS: PB 258 106 :17 pages
Link
NIOSHTIC No.
10000265
Abstract
The Bureau of Mines studied environmental blast effects in six occupied residential structures. Airblast, ground, and structure vibrations were measured both inside and outside residences for seven quarry production blasts. The vibrations of the houses generated noticeable internal noise, correlating with the arrival of the groundborne energy. The later arriving airblast wave was predominantly at low infrasonic frequencies (1.0 to 1.5 Hz) and had similar amplitude and frequency characteristics both inside and outside the structures. Significant structural motions resulted from the airblast overpressures for at least two of the seven blasts. The most severe airblast effect occurred at a house 1,800 feet from a 5,047-pound (200-lb/delay) blast. This structure was subjected to a peak of 0.16-In/sec particle velocity and 130 db(l) airblast. The wall of the second floor responded to the ground vibration and airblast by shaking at particle velocities of 0.15 And 0.28 In/sec, respectively.
Publication Date
19760101
Document Type
IH; Report of Investigations
Fiscal Year
1976
NTIS Accession No.
PB-258106
NTIS Price
A03
Identifying No.
RI-8168
NIOSH Division
TCRC;
Source Name
NTIS: PB 258 106
State
IL;
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