Determining the Density and Unit Weight of Soil in Place by the Sand-Cone Method - Soil Properties: Testing, Measurement, and Evaluation - page 207

Soils Testing Laboratory
In-Place Density and Unit Weight Determination:
Sand-Cone Method

SR 2828 Newell, N.C.

Project Location of Test

John Doe 5/7/08

Tested by Date

Calibration Data

[A] Determination of Bulk Density and Unit Weight of Sand

Volume of container, V 1
(1) Mass of water required to fill container mass of container

(a)

4,922

Trial no. 1 g

4,919 4,921

(b) Trial no. 2 g Average mass g

4,922

(c) Trial no. 3 g

(2) Mass of container

(a)

2,783

Trial no. 1 g

2,780 2,782

(b) Trial no. 2 g Average mass g

2,783

(c) Trial no. 3 g

Mass of water required to fill container, G 2,139 (3) g

24°C

, T 1.00268 (4) Temperature of water (see Table 14-2)

Volume of container,V 1 GT 2,145 (5) mL

Bulk density and unit weight of sand, 1
(6)

6,139

Mass of sand required to fill container mass of container g

2,782

(7) Mass of container g

3,357

(8) Mass of sand required to fill container, M 1 g

M 1
V 1

1.565

(9) Bulk density of sand, 1 g/mL

97.7

lb/ft 3

(10) Unit weight of sand, 1 62.43 1

[B] Determination of Mass of Sand Required to Fill Funnel and Base Plate, M 7
(1)

8,045

Mass of sand required to fill apparatus mass of apparatus g

(2) Mass of remaining sand (after filling funnel and base plate) mass of

apparatus

6,378

g

1,667

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

Determination of Density and Unit Weight of Soil in Place

[A] Moisture Content of Material from Test Hole

Note—If moisture content is determined by a calcium carbide gas pressure tester, enter
moisture content directly in appropriate blank below and skip intervening steps.
(1)

10A

Container no.

295.6

(2) Moist mass of moisture sample mass of container g

250.7

(3) Dry mass of moisture sample mass of container g

42.6

(4) Mass of container g

253.0

(5) Moist mass of moisture sample, M 2 g

207