1390 
14-15 
III 
LIST OF FIGURES 
Schematic diagram of shooting rigs 
Pressure-time curve for 250 gm of Pentolite 
in free water 
Schematic diagram of surface reflection 
snockx-wave patas 
Pressure-time curves 
Graph of peak pressure vs. charge depths for 
constant charge-to-gauge distance 
Graph of duration vs. charge depth for 
constant charge-to-gauge distance 
Graph of peak pressure vs. w1/3/R for charges 
close to surface 
Graph of duration vs. w/3/R for charges 
close to surface 
Piezoelectric records of surface reflections 
at low pressures 
Piezoelectric records for varying depths 
Piezoelectric records for varying gauge depths 
Piezoelectric records for varying w/3/R 
LIST OF TABLES 
Gauge Crossing Times 
Summary of Piezoelectric Gauge Results for 
Oblique Surface Incidence at Pressures below 
8200 psi 
Pressure and Duration for Varying Charge and 
Gauge Depths at Constant Pressure Level 
Comparison of Results for Gauge Depths of 
4 and 33 in., with Charge Depth 4 in. and 
Charge-to-Gauge Distance 45 in. in Both Cases 
Pressure and Duration for Varying w/3/R for 
250 gm Pentolite with Charge and Gauge 4 in. 
below Surface 
= hae 
12 
13 
ALe/ 
18 
20-24 
25-26 
27 
28 
16 
