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 forChoose...laboratory testing?What type of sampler is used to sample cohesive soils forv Choose...laboratory testing?Thin-walled or Shelbytube samplerSplit-barrel or split-spoon samplerElectric coneSplit-spoontesingerpenetrometeron

Ans: Thin walled or Shelby tube sampler

Answered: What type of sampler is used to sample…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter17: Subsoil Exploration

Section: Chapter Questions

Problem 17.1P

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Considering broad categories of soil types and commonly used soil sampling tools, please answer the following questions. What type of sampler is used to sample granular soils for Thin-walled or Shelby tube sampler → laboratory testing? What type of sampler is used to sample cohesive soils for Choose... laboratory testing? v Choose... Thin-walled or Shelby tube sampler Split-barrel or split- Split-spoon samples are undisturbed and good for shear strer spoon sampler on testing. Electric cone penetrometer
Since laboratory or field experiments are generally expensive and time consuming, geotechnical engineers often have to rely on empirical relationships to predict design parameters. Section 6.6 presents such relationships for predicting optimum moisture content and maximum dry unit weight. Let us use some of these equations and compare our results with known experimental data. The following table presents the results from laboratory compaction tests conducted on a wide range of fine-grained soils using various compactive efforts (E). Based on the soil data given in the table, determine the optimum moisture content and maximum dry unit weight using the empirical relationships presented in Section 6.6. a. Use the Osman et al. (2008) method [Eqs. (6.15) through (6.18)]. b. Use the Gurtug and Sridharan (2004) method [Eqs. (6.13) and (6.14)]. c. Use the Matteo et al. (2009) method [Eqs. (6.19) and (6.20)]. d. Plot the calculated wopt against the experimental wopt, and the calculated d(max) with the experimental d(max). Draw a 45 line of equality on each plot. e. Comment on the predictive capabilities of various methods. What can you say about the inherent nature of empirical models?
True or False? If I am assigned to sample soil for testing, I need to collect samples always at two different depths
Help me answer the problem question and write it on paper with a complete solution and box the final answer with their unit. Thank you again. Take note: I attach a photo of AASHTO Classification System just an additional guide only to classify soil sample A and B. Thank you.
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.
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
Please give the Group Symbol and Group Name of the given soil sample and provide proof or of the decision. explanation
Why do we have to trim the soil sample in undisturbed soil carefully using the soil lathe? What are the different laboratory tests for undisturbed soil sample? List them.
Why is the hydrometer method commonly used to obtain data on the sizes of silt and clay particles in soil samples, and not the sieve method?
Which of the following is part of the execution of the soil investigation? Select the correct response: Recommendation Laboratory test discussion and interpretation Determination of the depth of ground water table Analysis of data collected
Soil lab Particle size distribution (Sieve method) In addition to that, calculate the value of D25 and D75 and calculate it in curvature
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")?

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