Improving soft soil characteristics using vacuum consolidation Potential New technical advances
Q: b- Sketch Mohr Envelopes for NC saturated clay tested under UU and CD tests and explain why their…
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Q: The natural ground water table at a site is located at a depth of 2 m below the ground level.…
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Q: A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of 0.60. Under this layer is a…
A: step 1-
Q: For a given similar soil either fully saturated, partially saturated, or dry soil will exhibit…
A: Given data Soil fully saturated Soil partially saturated Dry soil
Q: Why is the passive soil pressure coefficient greater than 1?
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Q: Describe the field test for the dry strength of a soil.
A: Brief concept- Dry strength of soil- It is a parameter of the soil which measures the plasticity or…
Q: How do fireclays differ from surface clays?
A: Surface clays are obtained from the surface of the earth using the process of strip mining, while…
Q: As the relative density of soil increases, the permeability ___________. Plz choose right answer…
A: Relative density is the ratio of the density of a particle to the density of given material and also…
Q: FUNDAMENTALS OF GEOTECHNICAL ANALYSIS A constant head permeability test is performed on soil that…
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Q: A soil has been compacted in an embankment, at a bulk unit weight of 21.5 kN/m3 and water content of…
A: The given data is: Bulk unit weight of soil (γb) = 21.5 kN/m3 Water content (w) = 12% Gs = 2.65
Q: Explain Conditions for submerged soil.
A: We know the bulk unit weight of soil: If the soil has achieved a degree of saturation 100%.
Q: Assume that an area is underlain by a stratum of compressible soil 5.3 m thick. The weight of the…
A: Given: The thickness of the soil is 5.3 m. The CV value is 0.4 m2/month. The settlement caused by…
Q: The natural ground water table at a site located at a depth of 2 m below the ground level.…
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Q: A laboratory sample of clay 2 cm thick took 15 min to attain 60 percent consolidation under a double…
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Q: How might samples of soil gas be obtained from a desired depth below the ground surface?
A: The naturally occurring minerals like methane, hydrocarbons are called as soil gas which forms due…
Q: Describe about the Stress Path for Tests in Consolidated–Drained Conditions.
A: Stress path is very important in consolidation test to keep a check on the progress of settlement.
Q: A plant's grit channel is designed to remove sand, which has a settling velocity of 0.080fps. The…
A: The grit channel is aimed to remove grit particles from the water flow. If not removed, the grit…
Q: In the given soil profile determine the 6.u and 6' of the points A,B,C and D. Show the variations in…
A: Y
Q: A constant head permeability test is performed on soil that is 2 cm x 2 cm square, and 2.5cm long.…
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Q: A field permeability test indicates that the coefficient of permeability for a certain soil is 2 *…
A: The coefficient of permeability of a soil mass is defined as “the property due to which the soil…
Q: Your soil sample has a specific gravity of 2.65 and a void ratio of 0.92. If the unit weight is 15.3…
A: Solution: Given: Specific Gravity (G): 2.65 Void Ratio (e): 0.92 γw=15.3kN/m2 1. Water Content in…
Q: Consolidation, Compaction and Ground Improvement Techniques for soil”-- a case study
A: consolidation settlements is caused by a reduction in voids due to gradual expulsion of water. The…
Q: Draw the diagram based on given data. A 3 m layer of sand, of saturated unit weight 18 kN/m3,…
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Q: A clay sample of thickness 50 mm undergoes 50% consolidation in 15 minutes when drainage is allowed…
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Q: Estimate the effective friction angle of the following soils:a. Silty sand with a dry unit weight of…
A: Angle of friction of soil is the strength parameter of soil, it represents the shear strength in…
Q: Improving soft soil characteristics using vacuum consolidation applications and advantages.
A: It is one of the methods of improving soft clayey deposits. It consists of a system of vertical…
Q: An unlined irrigation canal is aligned parallel to a river, as shown. This cross-section continues…
A: The maximum height at which a pump can transfer fluid against gravity is called head. This is the…
Q: Q- If a soil has a voids ratio of 0.68 and water percolating through it has a discharge velocity of…
A: Given data- void ratio e=0.68discharge velocity V=1.35×10-2 cm/sTo Find-The seepage velocity Vs
Q: 1: Determine the Degree of saturation of soil. Given Void ratio=0.6 Watercontent%3D20%…
A: Given data:- e = 0.6 w = 20% =0.2 G= 2.7 To find :- Degree of saturation S
Q: The coefficient of permeability (K value) of a soil describes how easily a liquid will move through…
A: Permeability : The ability of movement of water or any other liquid from the pores of soil is known…
Q: Describe Stress Path for Tests in Consolidated–Drained Conditions
A: A stress path is a curve which shows the changes in stresses as the load acting on the soil specimen…
Q: Question 1 Consolidation is only occurring in saturated clayey soils, not in sandy soils. True False
A: The given statement is true.
Q: Draw the flow curve and obtain the liquid limit. What is the plasticity index of the soil?
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Q: Define what is Saturated Surface Dry. How does one know when the SSD has been reached in a sand…
A: Saturated surface dry It is the condition when surface of the sample remains dry but sample carry…
Q: A developer plans to extend Bayview Haven residential estate in Darwin by constructing a 3.5mm fill…
A: The given data is shown below: Fill thickness=3.5mClay thickness=5mDegree of…
Q: A canal is located in an area where the alignment parallels that of a nearby river. The difference…
A: Part a. Draw the following diagram as per the given conditions:
Q: A soil profile consists of three layers, where the top layer is sand soil with unit weight of 17…
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Q: Ignoring the given Es-data and considering that the supporting soil is clean, normally consolidated…
A: The elastic settlement at the center of footing: Si=qB1-μ2IfEs As the given data is: q=150 kPa…
Q: These equations can be applied for dry soil, except: a) Sre = wGs b) Gsp, /1+ e c) Ms / V d) Ph/1 +…
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Q: A soil profile shown is subjected to a load of 48 kN/m? at the ground surface. The preconsolidation…
A: Assume LL=48 and e=1.0so,CC=0.007LL-7=0.287Find effective stress at middle of clay…
Q: 16. Consider the site profile shown below. The piezometer recordings represent steady seepage…
A: solution Given permeability of clay k1 = 1 x 10-5 cm/sec seepage length of clay layer H1 = 4m…
Q: the compacter is being used? No. 03 (10 Marks) The soil profile shown below is typical of Miami-Dade…
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Q: A soil layer of 5 m thickness considered to be ultimately settled, when it's thickness became 4.3 m…
A: Given data, e0= 0.75, e100= 0.25, et= 0.6, ∆H = 5 – 4.3 = 0.7 m, ∆h = ?
Q: A geosynthetics clay liner (GCL) having a thickness of 10 mm and a permeability of 5X1010 cm/sec.…
A: We are authorized to attempt 3 sub-parts at a time. Since the sub-parts are not mentioned, we are…
Q: Calculate % Sand using the following values; a. Weight of soil= 50 gb. HR reading at 40 sec.= 25c.…
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Q: Q3: Compare the following ground improvement methods. A) Rapid impact compaction to deep dynamic…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: A clay fill has a bulk density of 1.8 g/cc. If the moisture content is 17.8% and the Gs = 2.70, find…
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Q: Why is pore pressure negative within the zone of capillary rise? Why would the actual pore pressure…
A: Answer:- pore pressure negative within the zone of capillary rise because water in the capillary…
Improving soft soil characteristics using vacuum consolidation Potential New technical advances
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- Assume a deep deposit of normally consolidated clay. Which of the following processes or actions would lead to the soil becoming over consolidated (select all options that apply)? A.Construction of a road embankment B.Unprecedented water level drawdown extended over a long period of time C.Traffic loads induced by the presence of trucks on site at times D.Heavy rainfalls raising the original water table at the ground surface E.Deep compaction of the clay depositDefine SELECTION OF SOIL STRENGTH PARAMETERSSoil lab Density in Place (Sand Cone Method)
- A uniform soil has 10% passing the 0.425 mm sieve.a. What type of soil is it?b. Estimate the permeability.c. If the average pore/void diameter is 20% of the effective size, find the height of thecapillary rise.d. Would this soil cause serious frost heaving? Why?A field permeability test indicates that the coefficient of permeability for a certain soil is 2 * 10-2 mm>sec. Is this a relatively high or low coefficient of permeability? What type of soil would this probably be?Please solve this soil problem
- Soil has been compacted in an embankment at a bulk density of 2.15 Mg/m³ and a water content of 12%. The value of Gs is 2.65. Calculate the dry density, void ratio, degree of saturation, and volume of air.Briefly describe the phenomenon of liquefaction in soil deposits, indicating type and condition of soil required and occurrences responsible.Discuss whether the statement "Void ratio changes when a densely packed dry soil is being saturated" is accurate. State your reasons