Question: A. For Field Test a shown on problem table what change is required in moisture content and compaction effort to achieve 110 pcf? -2% moisture

A. For Field Test a shown on problem table what

A. For Field Test a shown on problem table what change is required in moisture content and compaction effort to achieve 110 pcf?

-2% moisture and +100% compaction effort

-1.5% moisture and no change to compaction effort

+2% moisture and +67% compaction effort

-2% moisture and no change to compaction effort

B. For Field Test b, shown on problem table what change is required in moisture content and compaction effort to achieve 110 pcf?

-1.5% moisture and no change to compaction effort

-3% moisture and +100% compaction effort

-2% moisture and no change to compaction effort

+2% moisture and +67% compaction effort

C. For Field Test c shown on problem table what change is required in moisture content and compaction effort to achieve 110 pcf?

+1.5% moisture and no change to compaction effort

+3% moisture and +67% compaction effort

-2% moisture and +100% compaction effort

-1.5% moisture and no change to compaction effort

D. For Field Test d shown on problem table what change is required in moisture content and compaction effort to achieve 110 pcf?

+3% moisture and +67% compaction effort

-2% moisture and no change to compaction effort

-1.5% moisture and no change to compaction effort

-2% moisture and +100% compaction effort

120 Compactive Effort vs Ydmax 114 115 110 112 109 108 110 Ydmax 105 108 104 103 Yamax 100 106 104 95 102 90 10% 12% 14% 16% 18% 20% 22% 100 10000 100000 Compactive Effort ASTM D698 ASTM D1557 Field Ydry Change Field test w (%) Change water content (pcf) compaction Example 105.0 14.0% +2% -40% a 104.0 14.0% b 103.0 19.0% 109.0 14.5% d 108.0 17.5%

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