A field technician submits the results of a sand cone test for review. Prior to the test, the laboratory determined the unit weight of the dry test sand to be 84.7 lb/cu. ft. The soil obtained from the test hole was weighed at 3.65 lb and had a moisture content of 17.3%. The initial weight of the sand cone apparatus filled with suitable

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A field technician submits the results of a sand cone test for review. Prior to the test, the laboratory determined the unit weight of the dry test sand to be 84.7 lb/cu. ft. The soil obtained from the test hole was weighed at 3.65 lb and had a moisture content of 17.3%. The initial weight of the sand cone apparatus filled with suitable test sand was 13.36 lb, and the final weight after the sand filled the test hole was 11.13 lb. Assuming the field moisture content within the acceptable specification range for optimum moisture content, what is the in place percent compaction if the laboratory Proctor test results in a maximum dry density of 122.3 lb/cu.ft? 

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