Determining the Density and Unit Weight of Soil in Place by Nuclear Methods (Shallow Depth) - Soil Properties: Testing, Measurement, and Evaluation - page 241

Soils Testing Laboratory
Nuclear Density Test

Project Location of Test Test Instrument

Tested By Date

Wet Moisture Dry Max. Lab. Optimum Percent Specified

Test Unit Weight Content Unit Weight Dry Unit Weight Moisture Content Compaction Compaction

(lb/ft 3 ) (lb/ft 3 ) (lb/ft 3 ) Test Depth (%) (%) (%) (min.) (%)

No. (in.) Elevation (1) (2) (3) (4) (5) (6) (7) Remarks

1

2

3

4

5

6

7

8

9

10

Note: (1), (2), and (3) are direct readings from a nuclear density device.
(4) and (5) are obtained from a laboratory compaction test. (See Chapter 12.)
(6) [(3)/(4)] 100%. *
(7) contract specifications.
* With some models, the maximum laboratory dry unit weight [column (4)] can be entered into the nuclear density device prior to the test and the percent com-
paction [column (6)] will be output, eliminating the need for a manual calculation.