Determining the Density and Unit Weight of Soil in Place by the Sand-Cone Method - Soil Properties: Testing, Measurement, and Evaluation - page 208

208.1

(6) Dry mass of moisture sample, M 3 g

M 2 M 3

21.6

(7) Moisture content of material from test hole, w

100

%

M 3

[B] In-Place Density and Unit Weight

8,045

(1) Mass of apparatus mass of sand (before use) g

4,867

(2) Mass of apparatus mass of remaining sand (after use) g

3,178

(3) Mass of sand used in test, M 6 g

1,667

(4) Mass of sand to fill funnel and base plate, M 7 g

(see “Calibration Data”)

1,511

(5) Mass of sand used in test hole, M 6 M 7 g

1.565

(6) Density of sand, 1 g/mL (see “Calibration Data”)

M 6 M 7

965.5

(7) Volume of test hole, V mL

r 1

2,669

(8) Wet mass of soil from hole mass of pan g

815

(9) Mass of pan g

1,854

(10) Wet mass of soil from hole, M 4 g

Moisture content in soil from test hole, w 21.6 (11) %

M 4

1,525

(12) Dry mass of soil from test hole, M 5 g

1 0.01 21 w 100 2

M 5
V

1.579

(13) Dry density of soil in place, r 2 g/mL

98.6

lb/ft 3 (14) Dry unit weight of soil in place, 2 62.43 2

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