2. The following table shows results of testing of two types of soil: W.% Soil G, S, PL A 2.22 25 0.95 0.35 22 B 2.72 38 1.01 0.62 26 C 2.66 45 0.92 0.80 35 Answer the question below: I. Which of these soils contains less clay particles? Note ** show in solution process answers Which of these soils has a less void ratio? Note ** show in solution process answers II. III. Which of these soils has a less dry density? Note ** show in solution process answers

2. The following table shows results of testing of two types of soil: W.% Soil G, S, PL A 2.22 25 0.95 0.35 22 B 2.72 38 1.01 0.62 26 C 2.66 45 0.92 0.80 35 Answer the question below: I. Which of these soils contains less clay particles? Note show in solution process answers Which of these soils has a less void ratio? Note show in solution process answers II. III. Which of these soils has a less dry density? Note ** show in solution process answers

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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;Determine Cc.
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
Question 2 The sieve analysis of soil 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: 87 % Passing No. 40: 62 % Passing No. 200: 30 LL = 32 PL = 24 Group classification: Blank 1 Group index: Blank 2
8. The results of a standard compaction test on a soil sample from Glasgow are shown in the graph below. From the graph, determine the optimum moisture content (OMC), maximum dry density and air content at maximum dry density. Can this soil be compacted to 2.11 Mg/m³ at OMC? Why? 22 0% 2.1 5% 2 10% 1.9 1.8 1.7 1.6 1.5 1.4 1.3 - 1.2 8 9 10 11 12 13 14 15 16 17 18 19 moisture content [%] 20 dry denslty [Mg/m³]
Q1: Use the USCS to Classify the soil sample with the following data: % passing 4.75 mm Sieve = 64 % passing 75- Sieve =4 Uniformity Coefficient= 7.5 Coefficient of Curvature=2.7 Plasticity index = 2.5 Solution: Q2: Use the USCS to Classify the soil samples with the following data dalla Soil LL PL Group Symbol Soil Name 15 35 25 ABC 8. ८८ 25 45 65 2-Seepage velocity (m/s) = 70 3- Flow rate in (m3/s) = oss and dry ng www Parmbly & volume change decrease Campering wes Toughness and dry strength dease Presby & val change in 10 20 30 40 50- 60 Liepakt. 70 80 Atra -0.73 (W₂-201 90 Q3: For the soil shown below the hydraulic conductivity is (3 m/day). The sample diameter is 1.5 m. The porosity is (30%). Find: 1- Flow velocity (m/s)== 100 110 120 Soil 4 m ITE
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Q1: A. Answer in True or False 1. A soil has a Cu =1, then it is considered as a poorly graded soll. 2. A soil has L.L-60% and P.L-35%, then it plots a point below the A-line in the plasticity car 3. A soil described with a symbol (SP) has % passing No. 200 sieve more than 50% 4. Decreasing water content below shrinkage limit is accompanied with a decreasing in void ra 5. Water molecules are considered polar and known as dipoles. 6. Dry Density is the smallest density. 7. Capillary rise is directly proportional to the pore channel diameter. 8. The unconfined compressive strength is twice the undrained cohesion. 9. Piping or boiling occurs when effective stress equals to zero. 10. It is assumed that the secondary compression begins when the primary conso
The results of a compaction test on the sample of soil that are to be listed are to be used for an embankment on a highway project are listed below . Determine the maximum dry unit weight of compaction and the optimum moisture content. The table is shown in image
The indicative properties of soil types A, B, and C were determined as follows: soil cil soil b 35% 60% 20% 28% 25% 43% 27% 40% 100% 110% 2.63 2.7 49% 26% 35% 10% 45% 2.65 soil A Property Liquidity limit Plasticity limit Percentage of clay materials moisture content Degree of Shiism Specific weight Either type 1 is more effective 2 Its edge density is greater 3 Greater overall density 4 Its porosity is greater .5 Classify soil according to the plasticity diagram.