(lb/in.2 )

(kPa)

(lb/in.2 )

(kPa)

6

105

7 x 10 6

5

10

7 x 10

1206 Subgrade

S = 72-75%

γ d = 113.9 lb/ft 3

5

5

7 x 10

10

105.3

σ3

(lb/in.2 )

1

2

w = 16.1%

4

γd = 105 lb/ft3

7

104

7 x 10 4

104

7 x 10 4

20 (lb/in.2 )

20 (lb/in.2)

0

10

0

10

0

70

140 (kPa)

0

70

140 (kPa)

Deviator Stress

Deviator Stress

(lb/in.2 )

(kPa)

6

7 x 10 6

10

(lb/in.2 )

(kPa)

1206 Subgrade Unfrozen

7 x 10 6

106

γd = 105 lb/ft3

1206

1232

w = 10.6 %

Class 5

7 x 10 5

10 5

5

105

7 x 10

Class 4

16.1

Class 6

104

Class 3

7 x 10 4

10 4

10 4

7x

19.7

103

7 x 10 3

7 x 10 3

10 3

20 (lb/in.2)

0

10

7 x 10 2

102

100

80

60

40

20

0

70

140 (kPa)

Degree of Saturation (%)

Deviator Stress

A significant discontinuity between thawed 0C

reexamined and findings will be reported in the

and 100% saturated modulus values is shown in

Phase 2 report (Berg in prep.).

Figure 14a. As indicated previously, the differ-

For the granular base and subbase materials,

ence is probably due to miscalibration of the test-

essentially no discontinuity is apparent between

the modulus of the thawed, 0C material and the

ing equipment for the unfrozen data rather than an

actual large difference in resilient modulus values

same material at 100% saturation.

at these points. These data are currently being

17