Specific Gravity Lab

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10 Terms

1
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Gs relationship

γs/γw

2
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main tool

pycnometer

3
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Gs equation

W0/(W0+(Wa-Wb))

4
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W0

oven dried soil (g=Wps-Wp)

5
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Wa

weight of pycnometer with water

6
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Wb

weight of pycnometer with water and soil

7
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soil passes through sieve

10

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what is sp gr

ratio of unit volume of soil to same volume (gas free) water at certain temp

9
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significance

used in phase relationship to determine properties/classification of soil

10
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how to remove trapped air

vacuum pump