Question 24Yiren was given a soil sample which yields the following passing percentage for different sieves.Sieve No. Diameter(mm) Percent Passing (%)99No. 44.760No. 82.38094No. 102.00076No. 200.84066No. 400.42063No. 600.25055No. 100 0.14950No. 200 0.07431Characteristics of Fraction Passing No. 40LL = 42PL = 18What will be this soil's resulting group index?Follow rules provided by AASHTO.General classificationGranular materials (35% or less of total sample passing No. 200)А-1A-2Group classificationA-1-aA-1-bA-3Л-2-4A-2-5А-2-6A-2-7Sieve analysis(percent passing)No. 10No, 40No. 20050 max.30 max.50 max.51 min.15 max.25 max10 max.35 max.35 max.35 max.35 max.Characteristics offraction passingNo. 40Liquid limit40 max.41 min.40 max.41 min.F4ESF6F7因 Characteristics offraction passingNo. 4040 max.41 min.11 min.40 max.41 min.Liquid limitPlasticity indexA 6 max.NP10 max.10 max.11 min.FineSilty or clayey gravel and sandStone fragments,gravel, and sandUsual types ofsandsignificantconstituentmaterialsExcellent to goodGeneral subgraderatingGeneral classificationSilt-clay materials (more than 35% of total sample passing No. 200)A-7A-7-5*A-7-6Group classificationA-4A-5A-6Sieve analysis (percent passing)No. 10No. 40No. 20036 min.36 min.36 min.36 min.Characteristics of fractionpassing No. 40Liquid limitPlasticity index40 max.41 min.10 max.40 max.11 min.41 min.10 max.11 min.Usual types of significantconstituent materialsSilty soilsClayey soilsGeneral subgrade ratingFair to poor*For A-7-5, PI< LL - 30For A-7-6, PI> LL. – 30

Given that, percentage passing through, No. 10 sieve = 76% No. 40 sieve = 63% No. 200 sieve = 31%…

Yiren was given a soil sample which yields the following passing percentage for different sieves., Sieve No. Diameter (mm) Percent Passing (%) No. 4 4.760 99 No. 8 2.380 94 No. 10 2.000 76 No. 20 0.840 66 No. 40 0.420 63 No. 60 0.250 55 No. 100 0.149 50 No. 200 0.074 31 Characteristics of Fraction Passing No. 40 LL = 42 PL = 18 %3D What will be this soil's resulting group index? Follow rules provided by AASHTO.

Yiren was given a soil sample which yields the following passing percentage for different sieves., Sieve No. Diameter (mm) Percent Passing (%) No. 4 4.760 99 No. 8 2.380 94 No. 10 2.000 76 No. 20 0.840 66 No. 40 0.420 63 No. 60 0.250 55 No. 100 0.149 50 No. 200 0.074 31 Characteristics of Fraction Passing No. 40 LL = 42 PL = 18 %3D What will be this soil's resulting group index? Follow rules provided by AASHTO.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.24CTP

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