Explain the procedure for doing the stress test of sample soil?
Q: Explain the stresses applied to the soil sample during the triaxial test. How do we apply confining…
A: Triaxial Test Principal- The soil specimen is subjected to three compressive stress in mutually…
Q: What is the overconsolidation rate? Explain the difference between normal consolidated clay and…
A: Overconsolidation rate- It is defined as the ratio of maximum applies stress in past to the maximum…
Q: Explain the difference between soil compression and consolidation.
A: Difference between compression and consolidation:
Q: Specific gravity for sand?
A: Specific gravity of sand (Gs):It is the ratio of the weight of a given volume of the sand mass to…
Q: What is the difference of the failure plan of soil sample in Triaxial Test and in Direct Shear? And…
A: Solution: The main difference of the failure plan of soil sample in the Tri-axial Test and in the…
Q: Given that B =1 m, L = 3 m, and Q = 110 kN, the soil characteristics given in the figure are Cs =…
A: Before calculating the settlement we need to find the previous properties as below
Q: Describe about the manner in which laboratory compression tests are conventionally performed so as…
A: Compression tests are generally performed to obtain the deformation or settlement of the given soil…
Q: It affects the consolidation behavior and strength of soil?
A: The increase of applied stress affects the consolidation behaviour and the strength of soil.…
Q: What relationship exists between permeability and void ratio for given soil? Explain.
A: The permeability of a soil depends on the size of voids ( void ratio). As there is increase in water…
Q: What is the porosity of a soil having a void ratio of 0.908? Round off to two decimal places.
A: Given : VOID RATIO=e = 0.908 TO FIND: Porosity ( n)
Q: In a triaxial test for a cohesive soil sample, when the principal stresses are 491.33 kPa and 58.57…
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Q: Explain the pinhole test used for the testing of dispersive clays.
A: Dispersive clay soils are quite unstable and problematic for structures on account of their behavior…
Q: Explain the Testing for Dispersive Clays.
A: Testing on dispersive Clay: Basically 4 laboratory tests are performed on dispersive clays: The…
Q: At a planned construction site, subsurface sampling indicates that the soil wet unit weight is 19.5…
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Q: What is unconsolidated-un drained test? Explain the practical applications of CD analysis of Clay
A: The Unconsolidated-Undrained Test involves subjecting the soil mass to a confining pressure in a…
Q: Given that B =1 m, L = 3 m, and Q = 110 kN, the soil characteristics given in the figure are Cs =…
A: Given Data : B =1 m L = 3 m, and Q = 110 kN, Cs = 1/5 Cc, Ꝺ’c= 40 kN/m2.
Q: A cylindrical sample of soil having a cohesion of 80 kN/m2 and an angle of internal friction of…
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Q: What are the various combinations of the stress state variables that can be used for an unsaturated…
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Q: 10. In a triaxial test for a cohesive soil sample, when the principal stresses are 455.15 kPa and…
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Q: Describe why effective stress is important when evaluating soil behavior
A: Effective stress Karl Terzaghi, the first person who recognize the importance of effective stress.…
Q: Q-e Would the e-log o' plot from an oedometer test on a normally consolidated soil reveal the normal…
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Q: Explain the Application to Transported Soil Deposits.
A: Transported soils are those materials from which they were transferred originally, by gravity, wind,…
Q: neering Why is it important to minimize disturbance to soil samples that are going to undergo…
A: When the soil is confined laterally and loaded axially, the consolidation test is performed to…
Q: In a tri-axial test for a normally consolidated soil, the deviator stress is equal to 700 kPa and…
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Q: A soil has an unconfined compressive strength of 120 kN/m2. In a triaxial compression test a…
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Q: Write down the application of soil mechanics?
A: A soil is a naturally occurring mineral particles formed by the weathering action of rocks, to a…
Q: EXPLAIN YOUR ANSWER IN YOUR OWN UNDERSTANDING
A: Compaction of soil: - It is process in which soil particles are compressed together to reduce voids…
Q: tri-axial test was conducted on normally consolidated clay. The results were: the confining pressure…
A: We knowσ1=σ2tan245+ϕ'2+2c'tan45+ϕ2
Q: A technician obtained a soil void ratio of 1.5. It is okay because it is possible to measure void…
A: Void ratio is defined as volume of voids divided by volume of soil solids. i.e, void ratio (e) = Vv…
Q: What are the most widely used laboratory tests for studying the shear strength of different soils?
A: Shear strength of soil is the capacity to resist shear stress. Shear strength is basically the…
Q: A granular soil is subjected to a minor principal stress of 200 kN/m2. If the angle of internal…
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Q: 3. What is the effect of using available sand instead of using standard sand?
A: Standard sand is defined as the Indian standard sand IS 650 is created of native natural silica sand…
Q: In a triaxial test for a cohesive soil sample, when the principal stresses are 482.71 kPa and 63.17…
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Q: At a planned construction site, subsurface sampling indicates that the soil wet unit weight is 19.5…
A: Unit weight of soil = 19.5KN/m3, Calculate effective vertical stress at a depth of 5m 1) The…
Q: or an unconsolidated undrained test on a soil having USCS classification of CL and sample diameter…
A: Question is based on unconsolidated undrained soil classification . Diameter of sample, strain and…
Q: What is the thixotropy phenomenon in clay soils and what causes it?
A: Thixotropy is defined as the phenomenon by which the soil regains a part of its loss strength over a…
Q: In a triaxial test for a cohesive soil sample, when the principal stresses are 452.29 kPa and 62.79…
A: Given:σ1=452.29 kPaσ3=62.79 kPaθ=62.44°
Q: In a triaxial test for a cohesive soil sample, when principal stresses are 468.51 kPa and 57.67 kPa,…
A: What is the cohesion of the soil in kPa?
Q: KINDLY OBTAIN THE RIGHT ANSWER AND EXPLAIN Refer to Figure. Given that B =1 m, L = 3 m, and Q = 110…
A: Given - Given that B =1 m, L = 3 m, and Q = 110 kN, the soil characteristics given in the figure…
Q: What is the indication of shear slump and collapse slump in slump tests?
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Q: Describe the principal modes of soil failure.
A: General Shear failure In this method a slight downward motion of the footing begins to develop…
Q: At a planned construction site, subsurface sampling indicates that the wet unit weight of the soil…
A: Given: Wet unit weight of the soil = 123 pcf (a) The effective vertical stress at the 12-ft depth if…
Q: Why is it difficult to obtain samples of gravelly soils and use them in laboratory collapse tests?
A: In the laboratory most of the tests are conducted using fine grained soils because these fine…
Q: In a triaxial test for a cohesive soil sample, when the principal stresses are 482.71 kPa and 63.17…
A: Given: Major principal stress :482.71 kpa Minor principal stress :63.17 kpa Angle of failure plane…
Q: Is it necessary to do stress test of soil in CBR? If so explain in detail about its necessity in…
A: Brief Concept- CBR Test- The California Bearing Ratio Test is a penetration test used to determine…
Q: In the conventional laboratory compression test, what is the cause of soil volume decrease?
A: Some of the reason of change in volume of soil sample during laboratory compression test are…
Q: Explain the Tri axial Shear test in your own words.
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: A cohesive soil sample is subjected to an unconfined compression test
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Q: Find out the reason for the difference in behavior between clay and silt?
A: Clay soil is a type of fine-grained soil which consists of very high plasticity in wet condition and…
Q: Is it possible for some soils to be expansive when the normal stress is low, and collapsible when it…
A: Brief concept- Soil- Soil is a material formed by the weathering of rocks and contains several…
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- Explain how the Mohr-Coulomb failure criterion is used to determine soil shear strength?Why is it important to minimize disturbance to soil samples that are going to undergo consolidation testing? Why would it be important to obtain an accurate estimate of the preconsolidation stress?Explain how does the term stress path as related to stress conditions in a soil mass?
- Note : This is not an assignment question. Discuss the significance of knowing the vertical stress increase in soil due to various types of loadings.In determining the effective stress parameters of a soil sample, which test is preferable, consolidated undrained test or consolidated drained test?Define the concept of Effective Stress Friction Angleof Granular Soil ?