Classify the following soils by the AASHTO classification system.DescriptionPercent finer than No. 10 sievePercent finer than No. 40 sievePercent finer than No. 200 sieveSoil ASoil BSoil C1009294823881855152Liquid limitPlastic Limit422943231634Table 3.1: Classification of Highway Subgrade MaterialsGeneralclass ficationGranular materials(35% or less of total sample passing No. 200)A-2A-1GroupclassificationSieve analysis(percentagepassing)No. 10No. 40No. 200Characteristics offraction passingNo. 40Liquid limitPlasticity indexUsual types ofsignificantconstituentmaterialsA-1-aA-1-bA-3A-2-4A-2-5A-2-6A-2-750 max.30 max. 50 max. 51 min.15 max. 25 max. 10 max. 35 max. 35 max. 35 max. 35 max.40 max. 41 min. 40 max. 41 min.10 max. 10 max. 11 min. 11 min.6 max.NPStone fragments,gravel, and sandFinesandSity or clayey gravel and sandGeneral subgraderatingExcellent to goodWhat is the classification of Soil A?O A-5(3)A-7-5(3)O A-7-6(3)O A-6(3)

Look at the % passing through No 200 sieve=38>35% silt and clay minerals

Answered: Classify the following soils by the…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter4: Soil Classification

Section: Chapter Questions

Problem 4.1P: State whether the following are true or false. a. In the AASHTO classification Table 4.1, the soils...

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Similar questions

Afine-grainedsoilisfoundtohavealiquidlimitof70%andaplasticlimitof38%. (a) On the plasticity chart for the Unified Soil Classification System, what soil type is this?(b) On the plasticity chart for the AASHTO classification system, what soil type is this?
Classify the following soils in Table Q2 (b) by the AASHTO classification systemand give the group indices.Table Q2 (b)
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
Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 86% ; No. 40- 56% and No. 200- 8%. No Plasticity. Classify the soil by AASHT0 classification and give also the group index.
The following soil as specified by the AASHTO System has the following results:Percent finer than No. 10 sieve . . . . . . . . . . . . . 90Percent finer than No. 40 sieve . . . . . . . . . . . . . . 76Percent finer than No. 200 sieve . . . . . . . . . . .. . 34Liquid limit = 37Plasticity index = 12Calculate the partial group index for the soil that belongs to groups A-2-6.
From the particle size distribution curve, about 61% of the oil is finer than 0.074 mm in diameter. The liquid limit and plastic limit of minus No 40 fraction of the soils are as follows: LL =26, PL= 20. Classify the soil using the USCS.a. CL-MLb. CL-MLc. SP-SCd. CH
. Classify the following inorganic soils by using the Unified Soil Classification System. Give the Group Symbols, but it is not necessary to go beyond that to the group name.
Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 100% ; No. 40- 78% and No. 200- 82%. The liquid limit is 32 and Plasticity index is 12. Classify the soil by AASHT0 classification and give also the group index.
From the following soils classify according to AASHTO and SUCS systems
Classify the following soils by the AASHTO classification system. Description Soil A Soil B Soil C Percent finer than No.10 sieve 83 100 48 Percent finer than No.40 sieve 48 92 28 Percent finer than No.200 sieve 20 86 6 Liquid Limit 20 70 - Plasticity Index 5 32 Nonplastic
How did you determine the Nc, Nq, and Nr value for each type of soil?
A soil sample having no particles larger than the No. 4 sieve is classified as a sandy silt, ML, by the Unified Soil Classification System ( LL = 29% ; PI = 5% silt particles comprise 70% of the sample, sand 15%, and clay 15%). What is the probable soil classification in the AASHTO system? In the U.S. Department of Agriculture textural system?

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