30
0
Subgrade 1171
Sample 1
δ d = 1.76 Mg/m3
Sample 2
25
w = 18.3 %
-40
20
15
-80
10
Second
Freeze
First
5
-120
Freeze
Thaw
0
-5
-160
0
20
40
60
80
100
0
20
40
60
80
100
Time (hr)
Time (hr)
a. Subgrade sample 1171 (563).
30
0
Subgrade 1193
δ d = 1.71 Mg/m 3
25
w = 17.3 %
-40
20
15
-80
10
5
-120
0
-5
-160
0
20
40
60
80
100
0
20
40
60
80
100
Time (hr)
Time (hr)
b. Subgrade sample 1193 (564).
30
0
Subgrade 1206
δd = 1.70 Mg/m3
25
w = 16.1 %
-40
20
15
-80
10
5
-120
0
-160
-5
0
20
40
60
80
100
0
20
40
60
80
100
Time (hr)
Time (hr)
c. Subgrade sample 1206 (565).
Figure 4. Data from frost susceptibility test on Mn/ROAD materials.
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