Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 11, Problem 11.2P
To determine
Find the suitability of the soils A, B, C, and D and the group the soil belongs to.
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How are soils classified on the basis of shear strength? Draw the Mohr-Coulomb strength envelope and present the shear strength equation for each soil type.
Question 12
Classify the following soils using the Unified soil classification system. Give the group symbol.
No. 4 =
100
No. 200 = 45
LL = 36
PL = 22
A) SC
B
SP
SM
GC
1. Classify the following soils using USCS givegroup symbol and group name.a) A 55% of soil sample retained in sieve no. 4and 89% retained on sieve no. 200. The soilsample has a liquid limit = 28% and plasticLimit = 18% Cu = 4.2, Cc = 1.4
2. A saturated soil has the followingcharacteristics:Initial Volume = 25 cm3Final Volume = 16 cm3Mass of wet soil = 45 gMass of dry soil = 31 ga) Determine the Shrinkage Limitb) Determine the Shrinkage Ratioc) Determine the Specific Gravity of the soil
Chapter 11 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
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- What effect does particle size have on permeability as coefficient of permeability is generally greater for coarse soils than for fine-grained soils?arrow_forwardThe following two gradation curves are for two types of soils. Classify the two soils according to AASHTO and Modified Systemsarrow_forwardQuestion 4 Classify the following soils using the Unified soil classification system. Give group symbols and group names. % Passing No. 4: 99 % Passing No. 200: 76 LL = 60 PL = 32 %3D Group Symbol: Blank 1 Group name: Blank 2 Blank 1 Add your answer Blank 2 Add your answerarrow_forward
- Assess the suitability of the following soils A, B, C, and D as backfill material invibroflotation. Soil A Soil B Soil C Soil D D10 (mm) 0.2 0.08 0.01 1.1 D20 (mm) 0.6 0.13 0.05 1.9 D50 (mm) 1.5 0.45 0.15 6.0 To which soil groups do these four soils possibly belong?arrow_forwardQuestion 18 Classify the following soils using the Unified soil classification system. Give the group symbol. No. 4 = 92 No. 200 = 48 LL = 30 PL = 8 A) SP В GC SM D SCarrow_forwardThe values of liquid limit and plasticity index for soils having common geological origin in a restricted locality usually define (A) a zone above A-line. (B) a straight line parallel to A-line. (C) a straight line perpendicular to A line. (D) points may be anywhere in the plasticity chart.arrow_forward
- True or False: Most soils have indistinguishable colorand texture. ___________arrow_forwardSubject is soils mechanicsarrow_forward7. Classify the following soils according to the AASHTO Soil Classification with Group Index (GI) Soil A B No. 4 95 100 Percent passing U.S. sieve No. 10 No. 20 No. 40 No. 60 No. 100 No. 200 86 65 52 46 38 25 98 95 88 82 75 65 LL PL 38 65 22 58arrow_forward
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