True or False? If I am assigned to sample soil for testing, I need to collect samples always at two different depths

Q: In situ tests such as SPT and Vane Shear Test can be used to identify soils at a site and to provide…

A: In situ (i.e. on site) tests such as SPT (Standard Penetration Test) and Vane Shear Test are used to…

Q: You are given the following results from Atterberg Limits testing on a soil sample (PL= 30%, LL =…

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Q: To develop information on subsurface conditions that is considered accurate, it is now established…

A: Soil samples are appropriate for the various identification tests carried out in the laboratory.

Q: Explain Drilling Techniques in Caving or Squeezing Soils

A: Drilling techniques are normally the final stages of exploration  Drilling cost vary widely…

Q: How much water will flow through a soil mass in a 5-minute period when the sample length is 150 mm,…

A: Given: The time period T is 5 min. The sample length is 150 mm. The cross section is 20 mm × 20 mm.…

Q: cone penetrometer test and its types

A: Cone Penetrometer Test -Cone penetration, also known as the cone penetrometer test (CPT), is a tool…

Q: 4. Bisturbed soil samples cannot be used for (a) grain-size analysis. (b) specific gravity of soil…

A: Disturbed soil sample :  1. Disturbed soil samples do not retain the in-situ properties of the soil…

Q: Explain about the sample collection from site and the required quantity of soil to do CBR test and…

A: Brief concept introduction- CBR test- The California Bearing Ratio Test is a penetration test used…

Q: A core cutter of diameter 120 mm and 140 mm height is used to determine the in-situ unit weight of…

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Q: A sampler with a volume of 45 cm if filled with a soil sample . When the soil is poured into a…

A: Porosity and void ratio is:

Q: Describe different modes for measuring soil density.

A: The density of soil can be defined as it is the weight per unit volume of the solid portion of the…

Q: From a soil gradation curve, it is estimated that D10=0.2mm, D30=0.9mm, D60=4mm. What is the…

A: Soil investigation is the first step that has to be taken before excavation or any other soil work…

Q: THIS TOPIC IS RELATED TO GEOTECHNICAL ENGINEERING Reduction in void ratio is a measure of the…

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Q: For a perfectly dry soil sample having specific gravity of solids as 2.68 and mass specific gravity…

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Q: Which of the following is not a principal method for investigating subsurface soil conditions?…

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Q: A thin-walled sampling tube must be fabricated to obtaingood-quality undisturbed clay samples of 75…

A: Calculate the outer diameter of the tube Do=Di+2tDo=the outside diameter of the sampling tubeDi=thw…

Q: Given for a sample of a river sand: Void ratio at the densest state = 0.40 %3D Void ratio at the…

A: Given Densest state void ratio (emin) = 0.4 Loosest state void ratio ( emax). = 1.2 Void ratio (e) =…

Q: Explain why the new universal soil loss equation includes slope length and slope steepness as…

A: Introduction- The  Universal Soil Loss Equation (USLE) calculates average yearly soil loss from…

Q: Define the brief concept of SDisturbed and Undisturbed soil sample ?

A: Whenever we collect a soil sample, the original properties may get disturbed or altered due to the…

Q: a Several methods of soil exploration such as the geotechnical and geophysical systems of soi…

A: 1. Geophysical methods: This method is widely used in highway work. This method is very easy and…

Q: Problem 3: Given: Soil sample has void ratio (e)-0.82 water content (w)= 13% specific gravity…

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Q: Difference between index properties of a soil and classification tests.

A: Index properties are properties that are not of utmost significance to geotechnical engineers but…

Q: A soil sample is taken from a borehole. Sample diameter is 50mm and length is 250mm. Sample weight…

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Q: A soil Sample has a 8.3 m3 ,w= 9% , Gs= 2.72, Yt=19.5kn/m3 Find the following : 1-e , n„S, A, Ydry?…

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Q: How many cubic metres of soil having void ratio of 0.7 can be made from 30m3 of soil with void ratio…

A: Given data: Void ratio = 0.7 Made from 30 m3 of soil Void ratio = 1.2  How many cubic meter of soil…

Q: What is Variations in the soil profile

A: Soil profile :  Soil profile is a vertical section of soil like the diagram above. It allows you to…

Q: -a) Soil sampling, and testing. may be thought of as consisting of three steps-boring, a- imputation…

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Q: Lab test results for a soil sample taken from a site are as follows: Bulk unit weight = 19 kN/m3…

A: Given: Y = 19 kN/m3w = 10%, G = 2.6 and Yw= 10 kN/m3

Q: Considering broad categories of soil types and commonly used soil sampling tools, please answer the…

A: Shelby Tube sampler is used to obtain the undisturbed  soil samples of Cohesive in nature. it is a…

Q: During a subsurface exploration, an undisturbed soil sample was collected from the eld using a…

A: The formula to calculate the volume of cylindrical mold is given by, V=π4d2L                ...1…

Q: Three common soil sampling tools along with their sizes are given below. Choose the incorrect…

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Q: Indicate the difference between index properties of a soil and classification tests.

A: Index properties are important because they are economical and time saving way of determining the…

Q: PROBLEM 1 The following data are for a falling-head permeability test: Length of the soil sample =…

A: The given values are as follows,The length of the soli sample(L) =500mThe area of the soil…

Q: Determine void ratio, porosity and degree of saturation of a soil sample a. Mass of soil sample =…

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Q: A soil has the following characteristics: 1. Percentage of soil passing 75 µm sieve = 20 2.…

A: Percentage of soil passing 75micro meter sieve = 20 Percentage of fraction retained by 4.75mm sieve=…

Q: Describe about the split-spoon soil sampler.

A: Soil Sampling Storing of an amount of soil in the laboratory or other test centers to analyse the…

Q: g. how do you remove the sediment from the borehole?

A: This question has been taken from geo technical engineering

Q: A soil sample having a void ratio of 1.3, water content of 50% and a specific gravity of 2.60, is in…

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Q: The coefficient of uniformity and the coefficient of curvature of a given soil sample is 1.0 and 4.0…

A: Given data, Coefficient of uniformity =Cu=1 Coefficient of curvature= Cc=4 To find, D10/D30 =?

Q: How do eskers differ from drumlins with regard to formation and soil types?

A: Eskers v/s Drumlins:

Q: Considering broad categories of soil types and commonly used soil sampling tools, please answer the…

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

Q: Can we find the plastic limit of soil with cone penetrometer? if yes give the reason. If no give the…

A: No, Cone penetrometer is usually used for determining the liquid limit of a soil.

Q: Describe the techniques used for soil gas samples.

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Q: You are a project Engineer on a site. You receive a laboratory report with tests performed on marine…

A: The given data is shown below: Unit weight of the soil,γ=18.4 kN/m3Unit weight of solid,γs=26.1…

Q: A moist soil sample weighing 22.2 N has a moisture content of 20%. How many KN of water must be…

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Q: The data in the table below was gotten from modified Proctor test for a soil sample having Gs=2.62

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Q: Explain about the samples quantity of soil to do CBR test and

A: The California Bearing Ratio (CBR) test is used in construction materials laboratories to assess the…

Q: QA:Classify the soil sample according to USCS depending on the data. Sieve No. % passing L.L - 20%…

A: When,Liquid limit WLWL < 50% ⇒ LowWL > 50% ⇒ HighHere, L.L = 20%So, LowFor the sieve no. 10…

Q: How does the Soil gas samples can be obtained?

A: The soil gas samples help to measure the amount of gas present in the samples. it is a method of…