EXAMPLE EXAMPLE 2.6 2.6 Number of blows Number of blows 10 10 19 19 23 23 27 27 40 40 Water content (%) Water content (%) 60.0 60.0 45.2 45.2 39.8 39.8 36.5 36.5 25. 25. 2 2 Liquid Limit Liquid Limit Test Result Test Result Two Determinations for Plastic Limit: Two Determinations for Plastic Limit: 20.3% & 20.8% 20.3% & 20.8% Requir Requir ed: ed: a) a) w w LL LL & & w w PL PL b) b) I I P c) c) I I L if if w w = = 27.4% 27.4% d) d) e e at the at the w w LL LL if if G G s =2.7 =2.7 1
EXAMPLE 2.6Liquid Limit Test ResultTwo Determinations for
Plastic Limit: 20.3% & 20.8%1
Number of blows1019232740Water content
(%)60.045.239.836.525.2
SOLUTION 2.62Step 1: Plot the data
3Step 3: Calculate wPLStep 5: Calculate ILStep 6: Calculate
eLLAssume the soil is saturated at wLLBrittle failure is not
expected as the soil is in a plastic state (0
