Final Exam (Soils) Flashcards
1
Q
Soil Facts
A
- Soil is a structural component
- Soil has more variety than any other material on site
2
Q
Total Density
A
= total weight/total volume
3
Q
Dry Density
A
= weight of solids/total volume
4
Q
specific gravity of water
A
= 1.0
5
Q
% Swell
A
= (B/L -1)*100
6
Q
Swell Factor
A
= (B/L)
7
Q
LM
A
= BM(swell factor)
8
Q
C,B,L,LM,BM,CM
A
- C = Compacted Density
- B = Bank Density
- L = Loose Density
- LM = Loose Measure
- BM = Bank Measure
- CM = Compacted Measure
9
Q
% Shrinkage
A
= (1-B/C)*100
10
Q
Shrinkage Factor
A
= B/C
11
Q
CM
A
= BM(Shrinkage Factor)
12
Q
Compaction Methods
A
- Static Load - Fixed Load that does not move
- Kneading - work the soil - Sheeps foot, segmented roller
- Vibration - Goes with kneading and static - vibrating plates
- Impact - Numatic compactor (shaft w/ piston) - Static & Impact
- Explosives - Pack it way way down and blow
