Accession Number:

AD0669483

Title:

ANALYSIS OF GROUND MOTION AND CONTAINMENT

Descriptive Note:

Corporate Author:

ENVIRONMENTAL RESEARCH CORP ALEXANDRIA VA

Personal Author(s):

Report Date:

1968-01-26

Pagination or Media Count:

116.0

Abstract:

The pre-shot predictions and evaluations of ground motion, stemming and containment are presented and compared with the available observed data. The analysis of seismic data included corrections for frequency response of the instruments, derivation of nonrecorded motions by differentiation and integration, and filtering of the seismic signals to derive amplitude-frequency relationships. Observed ground motions were lower than expected from a coupled fully tamped explosion of equal size. The peak accelerations and velocities displayed high rates of attenuation compared to Salmon. Relatively small azimuthal variations were observed. Peak motions were associated with frequencies between 3 and 80 hz. A noticeable decrease in frequency with increasing distance was observed. Author

Subject Categories:

  • Seismology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE