Soil Tests: Soil Sampling Flashcards
1
Q
Q: Why is soil sampling important?
A
To accurately assess soil properties, identify potential failure mechanisms, and determine bearing capacity.
2
Q
Q: Where should soil samples be taken?
A
Samples should be taken from locations where:
- Significant failure mechanisms may occur.
- High dynamic or static loads are expected.
- Chemical or environmental concerns exist.
3
Q
Q: What factors determine soil sampling depth?
A
Variability in embankment height
- Groundwater level fluctuations
- Chemical stabilization requirements
4
Q
Q: What are typical elastic modulus values for different soil types?
A
Soil Type E_stat (MPa) E_dyn (MPa)
Peat 1 10
Clay 2.5 - 10 25 - 75
Sand 25 - 50 75 - 150
Gravel 75 - 100 150 - 250
Stabilized Soil 3500 5000
