A sand-cone in place unit test was conducted on the field during the construction of a proposed embankment. The following data were obtained. moisture content=12.8% weight of sand to fill the funnel=320 g weight of wet soil from test hole=750 g unit weight of sand=15.4 kN/m3 weight of sand used to fill test hole and funnel of sand-cone device=870 g a) compute the wet unit weight of soil (Ans. 21.14 kN/m3) b) compute the dry unit weight of the compacted soil (Ans. 18.74 kN/m3) c) compute the relative compaction in the field if the maximum dry unit weight of the soil is 21.3 kN/m3. (Ans. 87.98%)
A sand-cone in place unit test was conducted on the field during the construction of a proposed embankment. The following data were obtained. moisture content=12.8% weight of sand to fill the funnel=320 g weight of wet soil from test hole=750 g unit weight of sand=15.4 kN/m3 weight of sand used to fill test hole and funnel of sand-cone device=870 g a) compute the wet unit weight of soil (Ans. 21.14 kN/m3) b) compute the dry unit weight of the compacted soil (Ans. 18.74 kN/m3) c) compute the relative compaction in the field if the maximum dry unit weight of the soil is 21.3 kN/m3. (Ans. 87.98%)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A sand-cone in place unit test was conducted on the field during the construction of a proposed embankment. The following data were obtained.
moisture content=12.8%
weight of sand to fill the funnel=320 g
weight of wet soil from test hole=750 g
unit weight of sand=15.4 kN/m3
weight of sand used to fill test hole and funnel of sand-cone device=870 g
a) compute the wet unit weight of soil (Ans. 21.14 kN/m3)
b) compute the dry unit weight of the compacted soil (Ans. 18.74 kN/m3)
c) compute the relative compaction in the field if the maximum dry unit weight of the soil is 21.3 kN/m3. (Ans. 87.98%)
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