2002-07-31_PERMIT FILE - M2002004

• Permit No: M2002004
• IBM Index Class Name: PERMIT FILE
• Doc Date: 7/31/2002
• Doc Name: APPROVAL OF A 112 PERMIT APPLICATION OVER OBJECTIONS
• From: GCC RIO GRANDE
• To: DRMS
• Media Type: D
• Archive: No

Blasting Impacts Assessment for the Proposed GCC Rio Grande, Inc. Quarry in Pueblo County, Colorado
• Particle displacement
• Particle velocity
• Particle acceleration
• Vibration frequency
Abbreviations:
SH = Shear wave, horizontal
SV = Shear wave, vertical
R = Rayleigh wave
P = Compressional wave
Detonating
Charge or other
Impulsive
Disturbance
TIME
Figure 3.1 — Typical Vibration Waves
Velocity of Particle Motion or Air Overpressure Plotted
with respect to time
Background
Noise Base
Line
Figure 3.2 — Idealized Vibration or Air Overpressure Time — Intensity History Plot
The intensity of ground motion can be measured in several ways. These measures include:
REVEY Associates, Inc. Page 5 July 2002