152 mm
102 mm
60
60
114 mm
102 mm
13 mm
114 mm
Figure 10. Test apparatus for ASTM C 1252 and modified
ASTM C 1252.
Coarse Aggregate
Fine Aggregate
52
As Prepared
48
R2 = 0.936
44
40
a.
36
0
20
40
60
80
100
Percent Crushed Coarse Particles
52
Figure 11. Modified NAA
particle shape and texture
void contents vs. (a) percent
As Prepared
R2 = 0.936
crushed particles (Aldrich
48
1996), and (b) particle index
values of coarse aggregate.
44
40
b.
36
8
10
12
14
16
18
Particle Index Values Coarse Aggregate
8
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