Handout2 - f ' ,9 UNIFIED SOIL CLASSIFICATION SYSTEM...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
f ',9 UNIFIED SOIL CLASSIFICATION SYSTEM LABORATORY IDENTIFICATION PROCEDURE Make visual examination of soil to determine if it is HIGHLY ORGANIC, CORASE GRAINED, or FINE·GRAINED. I In borderline cases determine amount passing No. 200 sieve I I I FINE GRAINED More than 50% pass No. 200 sieve (0.074 mm) Run LL and PL on minus No. 40 sieve (0.42 mm) fraction HIGHLY ORGANIC SOILS (Pt) Fibrous texture, color, odor, very high moisture content, particles of vegetable matter (sticks, leaves, etc.) I GRAVEL (G) Greater percentage of coarse fraction retained on No.4 sieve (4.76 mm) I I I I Less than 5% Between 5% More than 12% pass No. 200 and 12% pass pass No. 200 sieve No. 200 sieve sieve I I I Borderline: Run LLand Examine grain double symbol PLon size curve- appropriate to minus "W" if C > 4 grading and u No. 40 plasticity .II.ru11 < C < 3; c sieve otherwise ·P· characteristics fraction e.g.GW-GM I I Well Poorly graded graded (W) (P) Below "A" Limits plot Above "A" line or in line and hatched hatched hatched zone on zone on zone on plasticity plasticity plasticity
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/23/2011 for the course CIVIL ENGI CE 3400 taught by Professor Rosenblad during the Spring '11 term at Missouri (Mizzou).

Page1 / 5

Handout2 - f ' ,9 UNIFIED SOIL CLASSIFICATION SYSTEM...

This preview shows document pages 1 - 2. Sign up to view the full document.

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