Soil Flashcards
1
Q
BASIC SOIL PROPERTIES
A
- porosity
- void ratio
- soil density
- specific gravity
- soil moisture content
2
Q
Formula of VT
A
VT = Vs + Vw + Va
3
Q
porosity
A
ratio of volume of voids to the total soil volume
4
Q
void ratio, e
A
volume of voids over volume of soil solids
5
Q
bulk density
A
ratio of dry mass to volume total =
6
Q
wet density
A
ratio of wet mass of soil to the volume total
7
Q
particle density
A
ratio of dry mass of the soil to the total soil volume
8
Q
Real specific gravity
A
ratio of particle density to the density of water
9
Q
Apparent Specific gravity
A
ratio of bulk density to the density of water
10
Q
AS RS relation
A
As= AR(1-n)
11
Q
RS AS relation
A
RS = AS(1+e)
12
Q
which has bigger value As or Rs?
A
Real specific
13
Q
average value of particle density?
A
2.65 g/cc
14
Q
MC dry basis
A
MCdm= (fresh weight - oven dry weight)/oven dry weight
15
Q
volumetric moisture content
A
MCv=MCdmAs
