3 Soil Classification - CIVE 353 Soil Classification Clay...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
1 CIVE 35 CIVE 353 Soil Classification Clay Soils (cohesive Soils Clay Soils (cohesive Soils)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Liquid Limit (LL) Increasing water content Stress Elastic - Plastic Liquid STATE STRESS-STRAIN BEHAVIOUR AT VARIOUS STATES Plastic Limit (PL) Stress Stress Strain Strain Non-linear inelastic Semi- Solid Plastic Shrinkage Limit (SL) Solid Strain Linear elastic – brittle failure
Background image of page 2
3 Liquid Limit (LL)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Atterberg Device Liquid Limit (LL) Moisture content that closes gaps @ 25 blows
Background image of page 4
5 Liquid Limit (LL) Moisture content @ penetration = 20mm Plastic Limit (PL) Roll clay until Roll clay until it breaks at 1/8 inch thick (3.2mm)
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 Plastic Index (PI) Increasing moisture content Liquid STATE Plastic Limit (PL) Liquid Limit (LL) Sem - Solid Plastic PI = LL-PL Shrinkage Limit (SL) Solid Semi Solid LL = PL PI = 0 Non plastic (silt) LL > PL PI > 0 Plastic clays Burmister (1949) Classification PI Description 0N o n p l a s t i c 1-5 Slightly plastic 5-10 Low plasticity 10-20 Medium plasticity 20-40 High plasticity >40 Very high plasticity
Background image of page 6
7 Activity (A)   weight by
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 02/09/2010.

Page1 / 29

3 Soil Classification - CIVE 353 Soil Classification Clay...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online