0
a.
0
100
4
Top of Slab
Ground Surface
Edge Effects
200
Excavation
8
Excavation
Surface
Edge
Surface
Effects
12
a. 100-MHz transducer.
0
0
b.
Ground Surface
Top of Slab
Utilidor
10
1.0
20
30
1.5
Reinforcement Mat
40
Excavation
Edge Effects
Surface
Edge Effects
2.0
W
E
0
10
20
30
40
50
60
Distance (m)
b. 400-MHz transducer.
0
0
Annex
Utilidor
Ground Surface
Fill
10
Foundation
Utilidor
1.0
20
Zone of Reinforcement
(Inner Bunker)
30
1.5
Main Bunker
40
Utilidor
Excavation Surface
Floor
2.0
W
E
0
10
20
30
40
50
60
Distance (m)
c. Annotated sketch of 400-MHz profile.
Figure 12. Interpretive depth sections for transect 2.
12
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