The sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils using the AASHTO classification system and give the group indexes. % Passing No. 10: 100 % Passing No. 40: 78 % Passing No. 200: 8 LL = - PL = NP (Non-Plastic) Group classification: Blank 1 Group index: Blank 2 Blank 1 Add your answer Blank 2 Add your answer

The sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils using the AASHTO classification system and give the group indexes. % Passing No. 10: 100 % Passing No. 40: 78 % Passing No. 200: 8 LL = - PL = NP (Non-Plastic) Group classification: Blank 1 Group index: Blank 2 Blank 1 Add your answer Blank 2 Add your answer

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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Refer to Problem 2.C.1. Results of the sieve analysis for Soils A, B, and C are given below. To obtain a more representative sample for further geotechnical testing, a ternary blend is created by uniformly mixing 8000 kg of each soil. Answer the following questions. a. If a sieve analysis is conducted on the mixture using the same set of sieves as shown above, compute the mass retained (as a percentage) and cumulative percent passing in each sieve. b. What would be the uniformity coefficient (Cu) and the coefficient of gradation (Cc) of the mixture?
Repeat Problem 2.4 with the following data. 2.4 The following are the results of a sieve analysis. a. Determine the percent finer than each sieve and plot a grain-size distribution curve. b. Determine D10, D30, and D60 for each soil. c. Calculate the uniformity coefficient Cu. d. Calculate the coefficient of gradation Cc.
From a particle size distribution curve of a sandy soil the following were obtain: Size of particle 0.48 mm percentage finer 60;Size of particle 0.33 mm percentage finer 30,Size of particle 0.21 mm percentage finer 10;Size of particle 0.11 mm percentage finer 5. Classify the soil using USCS. Justify your answer. Oa, SP O b. SM O c. SC O d. SW
Laboratory tests performed on a saturated alluvial subgrade soil gave the following information: In situ water content = 11.9%, Specific gravity = 2.65, Soil size distribution: D100 = 51 mm, D75 = 30 mm, D60 = 20 mm, D45 = 15 mm, D30 = 8 mm, D10 = 4.76 mm, D8 = 2 mm, D4 = 0.08 mm, < 2 m = 4% a. Is this soil well graded? Classify it by the AASHTO and Unified systems b. Using the sieve analysis soil data and the classification systems, estimate for a total of 100% the approximate percentages of coarse aggregate (gravel), fine aggregate (sand), silts, and clays?
A 500g (assume no wastes) of dry soil was used for a soil mechanical analysis. The mass of soil retained in each sieve, and hydrometer analysis data are given in Table 1 and Table 2, respectively. a. what is the value of the effective size of soil in mm? b. what is the value of the coefficient of gradation? c. what are the percentages of grave sand silt and clay using the limits indicated by USDA
Do the following: a) Calculate the percent retained and percent passing each sieve, and graph the results on a semi-log graph (you may use the attached chart, or graph in Excel and include with your submission). Then, characterize the gradation of the material. b) Calculate the values of D10, D30, D60, Cu, and Cc c) If the LL is 48 and the PL is 26, determine the USCS classification of the soil, and state its suitability for the purpose stated in the scenario.
The given data shows a sieve analysis of a soil sample. Classify the soil using AASHTO Method. Tables are provided below. Sieve No. Diameter (mm) Percent Passing No. 4 4.760 73 No. 8 2.380 55 No. 10 2.000 49 No. 20 0.840 48 No. 40 0.420 45 No. 60 0.250 36 No. 100 0.150 29 No. 200 0.075 24 Characteristics of No. 40 Fraction LL -- PL -- A. A-2-4(0) B. A-3(0) C. A-2-5(0) D. A-1-a(0) E. A-1-b(0)
The results of the particle-size analysis of the soil are as follows: Percent passing No. 10 sieve = 100; Percent passing No. 40 sieve = 80; Percent passing No. 10 sieve = 58.The LL and PI of minus No. 40 fraction of the soil are 30 and 10 respectively. Classify the soil by USCS system a. CH b. SP-SC c. CL-ML d. CL-ML
Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 42% ; No. 40- 28% and No. 200- 12%. The liquid limit 18 and Plasticity index is 13. Classify the soil by AASHT0 classification and give also the group index.
PLS. ANSWER ASAP WITH COMPLETE SOLUTION4 DECIMAL PLACES A saturated sample of clay with a shrinkage limit of 22 has a natural water content of 35%.a. What would its dry volume be as a percentage of its original volume if the specific gravity of soil solids is 2.70?b. What would be the void ratio of the soil in its natural water content?c. What is the dry density of the soil sample?
The sieve analysis of three soils and the liquid and plastic limits of the fraction passing No. 40 sieve are given in the table below. Use AASHTO Classification System.
The given data shows a sieve analysis of a soil sample. Classify the soil using AASHTO Method. Tables are provided below. Sieve No. Diameter (mm) Percent Passing No. 4 4.760 80 No. 8 2.380 71 No. 10 2.000 69 No. 20 0.840 63 No. 40 0.420 57 No. 60 0.250 43 No. 100 0.150 40 No. 200 0.075 39 Characteristics of No. 40 Fraction LL 36 PL 21 A. A-6(1) B. A-4(1) C. None of these. D. A-6(2) E. A-4(2)