Three kinds of experiments for measuring soil permeability coefficient
Q: Q.2) Classify the following soil using the Unified Soil Classification System (USCS): Sieve No. 4 10…
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Q: A falling head permeability test was run on a soil sample 9.60 cm in diameter and 10 cm long. The…
A: It has been asked in the question to determine the potential drop during first 30 minute
Q: Determine the specific gravity of soil solids, G,.
A: Given, Dry unit weight = 11.51 KN/m3 Unit weight of water = 9.81 KN/m3 Assume,…
Q: Calculate the subgrade CBR value for the following CBR test results shown in Table 1 below. Compute…
A: Californial Bearing ratio test :- ASTM-D1883 AASHTO-T-123 Penetration of Plunger (mm) Standard…
Q: The following data represent the results obtained from the specific gravity (S.G.) * ?test performed…
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Q: A soil engineer collects a sample of soil having a moist unit weight of a soil of 24.5 kN/m³, water…
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Q: A permeability test was run on a soil sample with 8cm in radius and 10cm long. The level of water at…
A: Given, Radius of soil sample R = 8 CM Length of soil sample L = 10 CM Permeability of soil k =…
Q: PROBLEM 1: A certain soil sample has moisture content of 22%, a liquid limit of 15% and a plastic…
A: Moisture content=22% Liquid limit=15% Plastic limit=11%
Q: Outline the general relationship between soil particle sizes and size of void spaces between the…
A: The size of soil particle is directly proportional to the size of void spaces between the particles.…
Q: Percent Diameter Sieve Size Passing in mm (%) 4 4.750 100 10 2.000 92 20 0.850 80 40 0.425 53 60…
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Q: A saturated soil sample has an initial total volume of 100 cm3 and a moisture content of 63%. The…
A: To Determine Specific gravity of soil, Gs
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: 2.7 The results of a liquid limit test and a plastic limit test on a sample of soil are given below:…
A: To find - Liquid limit, plastic limit, Plasticity index and classification of soil based on the…
Q: Situation 10: A soil sample has water content of 25%, degree of saturation of 80%, and specific…
A: Given water content is 25 % specific gravity is 2.70 degree of saturation is 80 %
Q: A soil sample has a wet mass of 151.2 g and a dry mass of 141.5 g. Calculate the moisture content of…
A: Moisture content = (Weight of wet soil -Weight of dry soil)/Weight of dry soil *100
Q: Why it is important to know the plasticity index of soil.
A: The difference between the numerical value of the liquid limit and the numerical value of the…
Q: If the soil sample is having porosity 50% and degrees of saturation at 90% then its percentage air…
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Q: Describe the general relationship between soil particle sizes and size of void spaces between the…
A: Factors affecting permeability:
Q: Question 7 The data from a falling head test is shown. Diameter of standpipe: 3 cm. Initial Head:…
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Q: Practice solving each of the following items for additional study. 1. A permeable soil layer is…
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Q: Based on the discussions, with varying moisture content of soil, what is/are the critical state/s of…
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Q: For a soil specimen, the following are given: % passing Sieve No. 4 = 92% % passing Sieve No. 10 =…
A: Look at the % passing through No 200 sieve=65>35% silt and clay minerals
Q: Soil granulation experiment was performed on 2 kg of tested soil and the following results were…
A: Knowing the particle size distribution data, the particle size distribution curve is prepared. It…
Q: Soil granulation experiment was performed on 2 kg of tested soil and the following results were…
A: For calculating the passing percent of soil we have to calculate the cumulative weight on each…
Q: Determine the percentage of the following types of soil in the sample;
A: Gravel (4.75mm)- 0 Coarse-grained- 6% medium grained- 15.74% Fine grained- 19.36% Fines- 13.08%
Q: 1.1 What are the three characteristics of soil? 1.2 Why do we do Sieve Analysis? 1.3 How many kinds…
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Q: Discuss the utility of the Universal Soil Loss Equation (USLE) in the study of soil erosion.
A: Answer:- Soil erosion: It is a naturally occurring process and it is ordinary geological phenomenon…
Q: A SOIL SAMPLE WAS TAKEN FROM A SITE AND WAS PLACED IN A CUBICAL CONTAINER WITH ONE SIDE EQUAL TO…
A: Given Data: Side of the cubical container is b=0.1 m. Net weight of soil is W=2 kN. Weight reduction…
Q: 3.A. What type of laboratory test can be used to determine soil permeability B in Table 1) Tabel 1…
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Q: For all problems, assume a logical value of Gs with at least 4 significant figures. 1. A soil sample…
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Q: 5. The following data are for a falling- head permeability test: • Length of the soil sample = 400…
A: L=400mm A=7854mm2 t=8min h1=450mm h2=200mm
Q: Situation 10: A soil sample has water content of 25%, degree of saturation of 80%, and specific…
A: Given data : Degree of saturation (S)=80100=0.8Water content (w)=25100=0.25Specific gravity…
Q: 9. The following laboratory test results for Casagrande liquid limit test. a. Draw Flow curve for…
A: according to question given in table flow curve for the given soil is drawing in asemilog graphx…
Q: 3. A soil sample with a moisture content of 17% has a wet (total) density of 123 pcf. The specific…
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Q: A constant head permeability test is conducted on a certai soil. The diameter of the sample is 5.5…
A: Using equation:q=khLak=qLhaq=VolumetimeVolume=85grams1gcc=85ccq=8550cm3s
Q: The coefficient of permeability is generally greater for coarse soils (sands and gravels) than for…
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Q: a 50cm^3 soil sample is saturated and contains 15 cm^3 0f water. what is the porosity of this soil?
A: Given: The volume of the soil sample is 50 cm3. The volume of water is 15 cm3.
Q: The following laboratory test results for Atterberg limits and particle size distribution were…
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Q: Using Unified Soil Classification System, determine the following: (a) Coefficient of Gradation (b)…
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Q: Describe the conditions and properties affecting coefficient of permeability of clay soils.
A: Permeability of the soil indicates the property of the soil mass to transmit water through it. This…
Q: A Soil Specimen has the following characteristics. % passing No.4 sieve = 85 % passing No.200 sieve…
A: The given data is shown below:
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: The data shown below are the results of a liquid limit test done on a soil. Moisture Content (%)…
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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: Discussion 1. Define the specific gravity of the soil solids. 2. What is the importance of the test?…
A: Definition of Specific Gravity of soil solids
Q: Classify the following soils by the AASHTO classification system. Give the group index for each soil
A: The AASHTO soil classification table is shown below:
Q: For the permeability test arrangement shown in Figure Qu2b, the cross-section area of the soil is…
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Q: The hydraulic conductivity of soils can be determined in several ways. Described one method used to…
A: The hydraulic conductivity of soils can be determined from constant head method####
Q: Problem 4 Classify the following soils by AASHTO classification system. Give group index for each…
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Q: The moisture content of a soil sample is 17% and the dry unit weight is 16.51 kN/m3. If Gs 2.69,…
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Three kinds of experiments for measuring soil permeability coefficient
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- The coefficients of permeability for a sample of soil are, kx = 8x10^-4 cm/s and ky = 8x10^-5 cm/s. What is the permeability of the soil when water moves diagonally (kxy) through the soil? Type your answer...A falling head permeability test is conducted on silty soil. The sample diameter is 10.0 cm and its length or thickness is 6 cm. The diameter of the standpipe is 6.0 mm. The head at the start of the test is 58 cm. The test lasts 9 min and the head falls to 38 cm. Find the coefficient of permeability of this soil. The answer must be in 6 decimal places. Use units cm/sec. Provide step by step solution.FALLING HEAD PERMEABILITY TEST OTHER QUESTIONS: 1. What is the importance of finding the coefficient of permeability of soils? 2. What is the difference between constant head permeability test and falling head permeability test? 3. Why is it needed to fully saturate the soil first before conducting the experiment? 4. Why is there a need to remove air bubbles from the specimen?
- A falling head permeability test is conducted on silty soil. The sample diameter is 10.0 cm and its length or thickness is 6 cm. The diameter of the standpipe is 6.0 mm. The head at the start of the test is 58 cm. The test lasts 9 min and the head falls to 38 cm. Find the coefficient of permeability of this soil. The answer must be in 6 decimal places. Use units cm/sec.Engineering statistics, i need solutions in 15 minutes please. MCQ/The table below shows the results from the specific gravity (S.G.) test performed in a soil laboratory including twenty samples of sand. Determine the Coefficient of Quartile Variation. A-0.011 B-0.033 C-0.024 D-0.087 E-0.065How is the plasticity index of a soil determined?
- 2. The sieve analysis data for a granular soil are given below. NICS LECTUREY % passing 19 mm sieve =100 % passing 4.75 mm (4 sieve) = 61 % passing 2 mm = 45 % passing 0.075 mm (200 sieve) = 16 %3D % 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? Mass Opening (mm) Sieve No. Retained (g) 4.75 43.A. What type of laboratory test can be used to determine soil permeability B in Table 1) Tabel 1 test 1 test 2 Unit of Pipe Diameter cm Diameter of soil 15 15 cm sample length of soil sample 30 30 cm initial elevation 60 60 cm height at end test 37 45 cm test duration 10 ?? minutes LOYou are a project Engineer on a site. You receive a laboratory report with tests performed on marine marl (calcareous silt). You suspect that one of the measurements is in error. Please determine which one of these values is wrong, and what should be its correct value? The laboratory data are: Unit weight of the soil (y) = 18.4 kN/m Unit weight of solid (ys) = 26.1 kN/m Water content of soil (w) = 40% Void ratio (e) = 1.12 Degree of saturation (S) = 95%
- 5. Diameter Pipa: Soil Sample Diameter: Soil Sample Length: Initial Elevation: Height at the end of the test: Test Duration: Table 3. Permeability Test Data TES 1 5 CM 15 CM 30 CM 60 CM 37CM 10 MINUTES TES 2 5 CM 15 CM 30 CM 60 CM 45CM ?? MINUTE B. The permeability test as mentioned in the question above (a) is carried out twice on the same soil sample. The results of tests 1 and 2 are in Table 3. How long is the duration of test 2?4. The permeability test as mentioned in the question above (a) was carried out twice on the same soil sample. The results of tests 1 and 2 are in Table 3. How long is the duration of test 2? Tabel 1 test 1 test 2 Unit Pipe Diameter cm Diameter of soil 15 15 cm sample length of soil sample 30 30 cm initial elevation 60 60 cm height at end of test 37 45 cm duration of test 10 ?? minutesThe permeability test must be carried out on a soil sample 15 cm long and 8 cm in diameter using the permeameter illustrated below. What is the difference between a variable head permeameter and a constant head permeameter?What is the disadvantage of using the constant head permeameter for all soil types? Which pemeameter is it in the illustration below? Justify your answer.How to calculate the permeability coefficient when the pressure drop is maintained at 30 cm and it takes 2 min and 35 s to collect a volume of water of 200 ml? Is it possible to identify the soil from this result? If so, what soil is it?