Please need to solve allquestions: Answer the following1- The field bulk density of coarse grained soils can be determined by.2- Density of soil changes with depth of soil? (a) True b) False3- What are the methods to calculate the field density of soil?4- The field bulk density of clayey soil can be determined by.................5- Different soils have different unit weights (a) True (b) False (c) Cannot be answeredc) may bed) none)

Answered: Image /qna-images/answer/179e562e-838f-4c32-a42d-edf246c73c94.jpg

Please need to solve all questions Answer the following 1- The field bulk density of coarse grained soils can be determined by... 2- Density of soil changes with depth of soil? (a) True 3- What are the methods to calculate the field density of soil? ******** b) False c) may be d) none) 4- The field bulk density of clayey soil can be determined by............ 5- Different soils have different unit weights (a) True (b) False (c) Cannot be answered

Please need to solve all questions Answer the following 1- The field bulk density of coarse grained soils can be determined by... 2- Density of soil changes with depth of soil? (a) True 3- What are the methods to calculate the field density of soil? ******** b) False c) may be d) none) 4- The field bulk density of clayey soil can be determined by............ 5- Different soils have different unit weights (a) True (b) False (c) Cannot be answered

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Soil Deposits-origin, Grain-size, And Shape

Section: Chapter Questions

Problem 2.14P

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Similar questions

1. From the given soil samples below, (a) compute the effective size, uniformity coefficient, and coefficient of gradation (b) Determine the percent of gravel, sand, silt and clay of soil A using AASHTO Sieve size. 0.425 0.033 0.018 0.01 0.0062 0.0035 0.0018 0.001 Soil A Passing Finer (%) 100 90 80 70 60 50 40 35
Following results are obtained from particle size analysis: Uniformity coefficient = 8 Coefficient of curvature = 2.8 Percentage of soil passing through 4.75 mm IS sieve = 70% If liquid limit and plastic limit for the soil are 38% and 34.2% respectively, the soil can be classified as per IS soil classification?
5.3 Classify the following soils using the Unified soil classification system. Give group symbols and group names. Sieve analysis (percent finer) Soil Liquid Plasticity No. No. 4 No. 200 limit limit Comments 1 94 3 NP C = 4.48 and C = 1.22 2 100 77 63 25 3 100 86 55 28 4 100 45 36 22 5 92 48 30 8 6. 60 40 26 4 7 99 76 60 32
Problem. 6.1: The data below were obtained with tension device from two soils of unknown texture Suction (cm) 0 10 20 50 Water content Soil (A) 44 44 43.9 38 Water content Soil (A) 52 52 52 51 1. Which soil has a higher porosity? 2. What is the bulk density of the two samples? (Assume that the density of solids comprising both samples is ps =2.65 gm/cm 3. What is estimated water content in the two samples at suction 15 cm?
2. The sieve analysis data for a granular soil are given below. % passing 19 mm sieve =100 % passing 4.75 mm (4 sieve) = 61 % passing 2 mm = 45 % passing 0.075 mm (200 sieve) = 16 % passing 0.06 mm (4 sieve) = 13 % passing 0.05 mm ( sieve) = 8 % passing 0.002 mm (4 sieve) = 5 What are the percentages of gravels, sands and fines within this soil, based on the Unified Soil Classification System (USCS), AASHTO, USDA and MIT Standards?,
For an inorganic soil, the following grain-size analysis is given:Sieve No. % Passing4 10010 9020 6440 3880 18200 13For this soil, LL = 23% and PL = 19%. Classify the soil according to:a. The AASHTO soil classificationb. The Unified soil classification system
5.4 Classify the following soils by using the Unified soil classification system. Give the group symbols and the group names. Sieve analysis- Percent finer Liquid limit Plasticity index C. Soil No. 4 No. 200 C, 1 70 30 33 21 2 48 20 41 22 3 95 70 52 28 4 100 82 30 19 5 100 74 35 21 6. 87 26 38 18 7 88 78 69 38 8 99 57 54 26 (table continues on next page) apter 5: Classification of Soil Sieve analysis- Percent finer Liquid limit Plasticity index C. Soil No. 4 Νo. 200 9 71 11 32 16 4.8 2.9 10 100 NP 7.2 2.2 11 89 65 44 21 12 90 8 39 31 3.9 2.1 © Cengage Leaming 2014
Questions 1. Define specific gravity of soil. 2. What are typical values of specific gravity for soils? 3. What can you use to measure specific gravity of material lighter than water? 4. Why do we use vacuum while determining the specific gravity of soil? 5. What is the effect of water temperature on the determination of the specific of soils?
The Grain size analyses results are given in Figure 1 for Soils A and B. Answer the following questions: i) The uniformity coefficient, Cu (= D60/D10) for Soil A is ii) Soil B is classified as.. ..... grained soil. iii) If liquid limit (LL) and plastic limit (PL) values of Soil A are given as 65 % and 35%, then the soil is classified as ................. by using plasticity chart provided below. PLASTICITY INDEX (PI) Percentage Smaller 50 40 30 100 90 20 80 70 60 50 40 30 20 10 0 0,001 For clessification of fine-grained soils and fine-grained fraction of course-grained Equation of A-line Horizontal et PI-4 to LL-25.5 Then PI-0.73 (LL-201 Equation of "u-line Vertical et LL-16 to PI-7 then PI-0.9 (LL-8) Z MHO OH ML OL soills 10 Soil A X 20 0,01 0,1 Particle Size (mm) Figure 1.Grain Size Distribution CLOL LOWING 1 CH OH Soil B LIQUID LIMIT (LL) FG4 Plasticity Chart Figure 2. Plasticity Chart 10 Tio
22. For a soil specimen, the following are given: % passing Sieve No. 4 = 92% % passing Sieve No. 10 = 81% % passing Sieve No. 40 = 78% % passing Sieve No. 200 = 65% LL = 48% PI = 32% a. Classify the soil by the AASHTO system. b. Classify the soil by the USCS.
SITUATION 1 A sample of soil has the following grain- size characteristics given below. Determine the following: (a) Percentage of silt. (b) Soil classification using the Triangular Classification Chart. (c) Determine the activity classification if the plasticity index is 34%. Grain- size for Situation 1 SIZE (mm) PERCENT PASSING 2.000 100 0.075 74 0.050 60 0.005 32 0.002 15
The size characteristics of the soil particles are shown in the table below. Classify soil using: 1. USDA Method 2. AASHTO Method (Including group index) 3. USCS Method (Full Soil Name not Symbol only) Size (mm) Percent finer 4.7500 93 2.0000 77 0.0330 69 0.0180 55 0.0100 42 0.0062 33 0.0018 24 0.0010 12 From consistency limit test, the following results are determined: Liquid Limit 32% Plastic Limit 24%