Considering broad categories of soil types and commonly used soil sampling tools, please answer thefollowing questions.What type of sampler is used to sample granular soils forThin-walled or Shelby tube sampler →laboratory testing?What type of sampler is used to sample cohesive soils forChoose...laboratory testing?v Choose...Thin-walled or Shelbytube samplerSplit-barrel or split-Split-spoon samples are undisturbed and good for shear strerspoon samplerontesting.Electric conepenetrometer

The Cone penetrometer has a cone that is 40mm in diameter and inserted into the bed. This is used to…

Answered: Considering broad categories of soil…

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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With the aid of a diagram, explain how sieve analysis is conducted to determine the particle size distributions of soil
Mechanical analysis on four different samples designated as A, B, Cand D were carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D. liquid limit w 42, plastic limit = 24, plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 20 mm 600 212 63A 20 24 98 59 12 90 54 5 9. 47 100 34 95 23 69 7. 46 2 31 100 HO 60 20 Sand Course lo medium Cotles l>762 mm Clay Silt Gravel Fine 0.001 001 0.075 0.1 10 100 Particle size (mum) Figure Ex. 3.21 Percentage finer
A sample of soil is extracted from a depth of 5 meters at a site and taken to the lab for testing. The soil is sieved: (1) the soil contains no sand, and (2) the fines content is 52%. The Atterberg limits for the finer fraction of the soil are then found to be 80 and 50. Classify the soil (provide the group symbol only).
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From the given data, shows a sieve analysis of soil samples A, B and C. Classify the soil sample A using USCS method (Group Symbol only), D60=2.3, D10 = 0.17, D30 = 0.70 Classify the soil sample B using AASHTO method Classify the soil sample C using the AASHTO method
Select the correct answer(s) to the statement, "disturbed soil samples cannot be used for" Select one: a. classification b. stress history and soil compressibility c. grain-size analysis O d. specific gravity of soil solids Which of the folowing approaches to field investigation provides rapid, cost-effective site characterization with continuous soil profiling? Select one: a. Drilling soil borings and sampling soils using thin-walled (Shelby) tubes and standard penetration tests (SPTS). O b. Performing electric cone penetrometer test (CPT) soundings.
Question# 2: Describe the practical applications of consolidated-drained analysis for clay soil.
Which of the following approaches to field investigation provides rapid, cost-effective site characterization with continuous soil profiling? Select one: a. Drilling soil borings and sampling soils using thin-walled (Shelby) tubes and standard penetration tests (SPTS). O b. Performing electric cone penetrometer test (CPT) soundings.
Q2. (a) You are given the following results from Atterberg Limits testing on a soil sample (PL= 23%, LL = 55%) collected from a boring on a local project site. The soil sample had natural moisture content of 56.3% prior to Atterberg Limits testing. If the soil is fine grained, what is the USCS Group Symbol (refer to Figure 2a) on page 7 for this soil and what does the natural moisture content result tell you about the soil in-situ (i.e. “in place")?
The table below shows the laboratory results of the sieve analysis of a sample. The soil has a liquid limit of 35% and plasticity limit of 9%. Determine the following: a) Plot the grain size curve. b) Classify the soil according to SIZE (mm) WEIGHT RETAINED (gms.) 0.25 18.96 USCS 0.149 33.18 c) Classify the soil according to 0.074 45.03 AASHTO 0.052 54.51 d) Classify the soil according to 0.02 42.66 USDA 0.01 11.85 0.004 4.74 0.001 4.74 PAN 21.33 Page 1 | 1 Q + -

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