Geology Reference
In-Depth Information
Soils Testing Laboratory
In-Place Density and Unit Weight Determination:
Sand-Cone Method
Project
Location of Test
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)
Trial no. 1
g
(b)
Trial no. 2
g
Average mass
g
(c)
Trial no. 3
g
(2)
Mass of container
(a)
Trial no. 1
g
(b)
Trial no. 2
g
Average mass
g
(c)
Trial no. 3
g
(3)
Mass of water required to fill container, G
g
(4)
Temperature of water
, T
(see Table 14-2)
(5)
Volume of container,V 1 GT
mL
Bulk density and unit weight of sand, 1
(6)
Mass of sand required to fill container mass of container
g
(7)
Mass of container
g
(8)
Mass of sand required to fill container, M 1
g
M 1
V 1
(9)
Bulk density of sand, 1
g/mL
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)
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
g
(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)
Container no.
(2)
Moist mass of moisture sample mass of container
g
(3)
Dry mass of moisture sample mass of container
g
(4)
Mass of container
g
(5)
Moist mass of moisture sample, M 2
g
(6)
Dry mass of moisture sample, M 3
g
M 2 M 3
M 3
(7)
Moisture content of material from test hole,
w
100
%
211
 
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