DHARMINDEX PROPERTIES AND CLASSIFICATION TESTS 89
- IS: 2720 (Part-IV)—1985: Methods of Test for Soils—Part IV Grain size Analysis.
- IS: 2720 (Part-V)—1970: Methods of Test for Soils—Part V Determination of Liquid and Plastic
Limits. - IS: 2720 (Part-VI)—1972: Methods of Test for Soils—Part VI Determination of Shrinkage Factors.
- IS: 2720 (Part-XIV)—1983: Methods of Test for Soils—Part XIV Determination of Density Index
(Relative Density) for soils. - IS: 2720 (Part-XXVIII)—1974: First Revision: Methods of Test for Soils – Determination of In-
place Density by Sand-replacement Methods. - IS: 2720 (Part-XXIX)—1975: Methods of Test for Soils—Determination of In-place density by
Core-cutter Method. - A.R. Jumikis: Soil Mechanics, D. Van Nostrasnd Co., Princeton, NJ, 1962.
- D.F. McCarthy: Essentials of Soil Mechanics and Foundations. Reston Publishing Co., Inc., Reston,
Virginia, USA. - D.W. Taylor: Fundamentals of Soil Mechanics, John Wiley & Sons., Inc., New York, 1948.
QUESTIONS AND PROBLEMS
3.1 Distinguish Between:
(i) Silt size and clay size
(ii) Degree of sensitivity and degree of saturation. (S.V.U.—B.Tech., (Part-time)—May, 1983)
3.2 Sketch typical complete grain-size distribution curves for (i) well graded soil and (ii) uniform
silty sand. Form the curves, determine the uniformity coefficient and effective size in each case.
What qualitative inferences can you draw regarding the engineering properties of each soil?
(S.V.U.—B.Tech., (Part-Time)—May, 1983)
3.3 Define the following:
(i) flow index, (ii) Toughness index, (iii) Liquidity index, (iv) Shrinkage index, (v) Plasticity index,
(vi) Uniformity coefficient (vii) Relative density (Density index), (viii) Sensitivity, (ix) Activity.
(S.V.U.—B.Tech., (Part-time)—Sep., 1982)
3.4 Write short notes on the “Methods of determination of Atterberg limits”.
(S.V.U.—B.Tech., (Part-Time)—Apr., 1982)
3.5 Write a short note on ‘Relative density’. (S.V.U.—B.Tech., (Part-Time)—June, 1982)
3.6 Define and explain the following:
(i) Uniformity coefficient, (ii) Relative density, (iii) Stokes’ law, (iv) Flow index.
(S.V.U.—B.Tech., (Part-Time)—Apr., 1982)
3.7 Write short note on ‘consistency of clayey soils’. (S.V.U.—B.E., (R.R.)—June, 1972)
3.8 Define and explain: Liquid limit; Plastic limit; shrinkage limit; and Plasticity index.
Briefly describe the procedure to determine the Liquid Limit of a soil.
(S.V.U.—B.E., (R.R.)—Dec., 1977)
3.9 Distinguish between:
(i) Liquid limit and liquidity index,
(ii) Density and relative density. (S.V.U.—B.E.,(R.R.)—Sept., 1967)