• Problem 2--- From the following data of the grain size analysis Sieve size #4 #8 #10 #25 #60 #100 #200 Pan Sieve opening (mm) 4.76 2.36 2.00 0.71 0.25 0.149 0.074 Determine; a) Cu and Cc system % Finer (by weight) 80 56 51 35 18 13 7 ——— b) classify the soil using the unified soil classification

• Problem 2--- From the following data of the grain size analysis Sieve size #4 #8 #10 #25 #60 #100 #200 Pan Sieve opening (mm) 4.76 2.36 2.00 0.71 0.25 0.149 0.074 Determine; a) Cu and Cc system % Finer (by weight) 80 56 51 35 18 13 7 ——— b) classify the soil using the unified soil classification

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter5: Classification Of Soil

Section: Chapter Questions

Problem 5.10P

See similar textbooks

Similar questions

Classify soil B using USCS. LL-46%, PL=28%. Group symbol is and Group name is Grarel Sard Clay Coerse Med'um Fme 100 90 70 B 50 20 10 A 10 I 0.420 0.10 075 O 01 4.75 2 Particle Diameter (mm)
Answer ALL Questions Time: 2 Hours Q3: Classify the following soil by using the Unified soil classification system. Give the group symbols and the group names. Table 1. Sample 1 Grain Size Results (ASTM D422). Table 2. Atterberg Limits Results (ASTM D4318). Sleve No. Dia. (mm) % Passing Sample PL LL % in 12.7 100 G0 40 14 4.75 97 #10 2 94 #20 0.85 84 # 40 0.425 57 #60 0.25 32 140 0.106 15 #200 0.075 100 90 Atterberg Limit Results: LL = 60%, PL = 40% E 80 * 70- 60 - 50 40 30- a 20 10 1 30 a40 100 0.1200 10 80 0.01 Particle Diameter (mm) Answer ALL Questions Time: 2 Hours 70 CH or OH 60 A-line PI = 0.73(LL - 20) Or 50 40 30 CL MH OL 20 or CL-ML OH ML 10 - or OL 10 16 20 30 40 50 60 70 80 90 100 Liquid limit Figure 5.3 Plasticity chart Percent (%) Finer by Weight Plasticity index U-line PI = 0.(LL - 8) O Cengage Learning 2014
Classify Soil C (group classification and group index) using AASHTO method. SOIL SAMPLE SIEVE NO. DIA. (mm) A В # 4 4.76 90 100 100 # 8 2.38 88 90 100 # 10 2 86 77 98 # 20 0.84 84 59 92 # 40 0.42 82 56 84 # 60 0.25 80 54 79 #100 0.15 78 51 75 #200 0.075 76 48 72 Characteristics of # 40 fraction LL 38 28 50 PL 30 45
Situation 1 A sample of soil has the following grain-size characteristics: * SOIL CLAsIRCATION 100 • TRIANGULAR CIASFICATION CHART (by vsDA) VEDA- US Departntent of Agriculiture Percent Passing Size (mm) 2.000 0.075 0.05 10 100 90- 74 20 Procedune O ldentéy % of solcomponents % grovel- *% sand = %Pasangacoomm- % Passingo omam % salt 60 80 0.005 32 30 70 100% - % Passtnga.coomm 0.002 15. Clay 40 Determine the following: 1. Percentage of silt 2. Classification of the soil using the Triangular 60- - %Pasingo.esonn - %Pasungoonamm - O%. 30 Silty clay 2 Plot the %sand, % slt, and Xclay on ther repective aes on the trianguar chart loy projectng ines pependicular to the oves. The point of eterection of those Ines s taken Cb the appropriate sol carfication. Classification Chart. Sảndy clay 60 40 /Silty clay kam Clay loàm Soil 70 30 Sandy clay loam 80 20- Silty koam 90 Notes: 10 Liany Sand sind Sandy loam sol component particde aze (mm) 100 gravel sond >2.00omm 100 90 70 60 50 40 30 20 10 2000…
From your Atterberg limits tests on the -40 portion of these samples, you have obtained the following data Percentage finer by weight 100% 80% 60% 40% 20% 0% Soil Sample Identification 0.001 H I J L FINES Liquid Limit 60 H 0.010 46 37 Plastic Limit 26 nonplastic #200 34 18 Fine HOT SAND Medium 0.100 Particle size (mm) 1.000 GRAVEL Course Fine Coarse #4 10.000 Classify the soils H, I, J and L using 1) USCS Classification 2) AASHTO Classification 3" 100.000 I LLII. I
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
Q3- Use the soil properties given in Table below and classify the soil according to AASHTO and Textural System. Show all calculations and steps. Size, mm 37 12.5 4.75 0.6 0.3 0.15 0.075 0.008 0.0006 % finer 100 93 84 (50+17 49 45 41 34 | (10+17 4
• Particle size analyses were carried out on two soils-Soil A and Soil B-and the particle size distribution curves are shown in Figure % Finer Clay 100 90 80 70 60 50 40 30 20 10 0 0.001 + Silt Soil A Sand Soil B 0.01 0.1 1 Particle size (mm) - log scale Gravel 10 Soil A B 1. Classify these soils according to USCS and ASTM-CS 2. Is either of the soils organic? LL 26 (oven-dried; assume same for not dried) Nonplastic PL 18
Given the following Sieve Analysis and Atterberg limits results. Answer the following questions: 1- What is the effective diameter of this soil? 2- Calculate the uniformity coefficient and coefficient of gradation 3- Determine the percentage of Gravel, Sand, Fine soils according to USCS. 4- Classify the soil using AASHTO (with GI) & USCS (with group name). Diameter Sieve # % Passing 100 (тm) 90 4 4.75 96 80 3.35 90 70 10 78.8 60 20 0.85 56.8 50 40 0.425 37.8 40 60 0.25 23.6 30 100 0.15 13 20 200 0.075 4.6 10 Рan LL 10 10 0.1 0.01 Diameter PL 5 Percent Passing (%) 2.
III -"Particle Size Distribution Test" Tabulation of Data: 1 4 7 Sieve Sieve Mass Mass of Mass of Soil Percentage Cumulative Percent Number Size of each Sieve Retained-(Wn) on each percent Finer (mm) each + Retained sieve retained (%) Sieve Soil (Rn) (Σ Rn ) (3) 700 (g) 4 4.76 725 8 2.38 700 780 10 2.00 700 810 20 0.84 700 860 40 0.42 700 880 60 0.25 730 950 80 0.180 740 1120 100 0.149 750 1340 200 0.074 800 910 Pan 900 985 Plot the points of each sieve size between particle size and Percent finer. 100 90 80 70 50 40 20 10 0.000 0.001 0.010 0.100 1.000 10.000 Particle Size (mm) Particle Size Distribution Result Percentage Passing (%)
Q 02: (CLO2) (a) Sieve and hydrometer analysis for two soils are given in the following, calculate the amount of Gravel Sand and Clay according to AAHTO and Unified Soil Classification system for both soils. Also mention which soil is coarse soil in this case and why? Soil 1 Soil 2 Diameter or Sieve No. Mass Retained Diameter or Sieve No. Mass Retained (g) (g) % in ½ in # 4 % in ½ in # 4 15.48 #10 #10 61.92 112.23 49.80 Sieve # 20 #20 Analysis #40 # 40 #60 30.1 #60 51.10 #100 36.4 #100 50.31 # 200 23.1 27.0 19.23 Pan 290.3 Pan No hydrometer analysis Diameter (um) % Finer Hydrometer Analysis 45 10 61 42 37 1 27 (b) What is the difference between Clay and Clay sized non cohesive soils?
Classify the following soils by the Unified soil classification system. Give the group na soil Soil 1 2 Sieve analysis (percentage finer) Liquid Plastic No. 4 No. 200 limit limit 98 28.5 33.2 22.6 95 10 30 22 D10 D30 8 D60 0.085 0.12 0.135 Q1)