More than 50%
Geotechnical · FE Reference Handbook section
Handbook notes for this section
Definitions and conditions exactly as the handbook states them.
- Sands with Fines Fines classify as ML or SM Silty sandF, G, I
- FINE-GRAINED SOILS Silts and Clays inorganic PI > 7 and plots on or CL Lean clayK, L, M
- organic Liquid limit − oven dried
- passes the No. 200 sieve Silts and Clays inorganic PI plots on or above "A" CH Fat clayK, L, M
- organic Liquid limit − oven dried
- HIGHLY ORGANIC SOILS Primarily organic matter, dark in color, and organic odor PT Peat
- A HSands with 5 to 12% fines require dual symbols:
- Based on the material passing the 3-in. (75-mm) sieve.
- If field sample contained cobbles or boulders, or both, SW-SM well-graded sand with silt
Core formulas for this FE topic
Definitions, applicability, units, assumptions and worked examples for each relation.