A bed of sand 12 m thick is underlain by a compressible stratum of normally loaded clay, 6 m thick. The water table is at a depth of 5 m below the ground level. The unit weight of sand above and below water table are 17.5 kN/m3 and 20.5 kN/m3 respectively. The clay has a natural water content of 40% and LL of 45% and Gs=2.75. Estimate the probable final settlement if the average increment in pressure due to foundation is 100 kN/m2

Q: t what depth would total the vertical stress in a deep deposit of clay (e = 1.1, Gs = 2.74) be 100…

A: Calculate the unit weight of the soil above the groundwater table,  γ=γwG+e×Sr1+e…

Q: A sand layer 8 meters high overlies a clay layer that is 7 meters high. Ground water table is at the…

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Q: A 10 m thkck clay layer is resting over a 3 thick sand layer and is submerged. A fill o thick sand…

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Q: A loose, natural sand deposit has a saturated unit weight of 19.3 kN/m3 and an angle of internal…

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Q: A clay layer consolidates after 6 years when its thickness is 5.70 m and the void ratio is 1.08.…

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Q: For a sand having an internal friction of 30°, the ratio of passive to active lateral earth pressure…

A: Given data : Angle of internal friction (ϕ)=30∘

Q: A dense silt has the following properties: Void ratio (e) = 0.40, Specific Gravity (Gs) = 2.70,…

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Q: A dense silt layer has the following properties. void ratio = 0.30 eff. Diameter ?10 = 10??…

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Q: A loose, natural sand deposit has a saturated unit weight of 19.3 kN/m3 and an angle of internal…

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Q: A horizontal stratified soil deposit consists of three layers, each uniform in itself. The…

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Q: A sand layer 9 meters high overlies a clay layer that is 5 meters high. Ground water table is at the…

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Q: A strata of 3.5 m thick fine sand has a void ratio of 0.7 and G of 2.7. For a quick sand condition…

A: Given data : Specific gravity (G)=2.7Void ratio (e)=0.7Thickness (H)=3.5 m

Q: The deposit of silt having specific gravity of 2.65 is located at the bottom of a river. It was also…

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Q: SITUATION. A stratum of normally consolidated clay 7m thick is located at a depth 12m below ground…

A: Given:- The thickness of the clay = 7 m  The depth of the clay layer from the ground level = 12 m…

Q: A strata of 3.5 m thick fine sand has a void ratio of 0.7 and Gof 2.7. For a quick sand condition to…

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Q: O A strata of 3.5 m thick fine sand has a void ratio of 0.7 and G of 2.7. For a quick sand condition…

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Q: A horizontal stratified soil deposit consists of three layers each uniform in itself. The…

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Q: A layer of sand extends from ground level to a depth of 9 m and overlies a layer of clay, of very…

A: The given data:   for sand γsat =19 KN/m3for clay γsat=20 KN/m3 above ground water table γ=17KN/m3

Q: A horizontal stratified soil deposit consists of three layers, each uniform in itself. The…

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Q: A sediment settling lagoon has a depth of water of 4 m above the clay base. The clay layer is 3 m…

A: given data :- A sediment settling lagoon has a depth of water of 4 m above the clay base. The clay…

Q: The profile at a site consists of 5 m of sand overlying 10 m of compressible clay, which in turn…

A: The excess pore water pressure developed immediately after placing the stress of 200 kPa is…

Q: A 5-m depth of sand overlies a 6-m thick layer of clay, the water table being at the surface; the…

A: Part-a The effective vertical stress at the center of the clay layer immediately after placing will…

Q: A loose, natural sand deposit has a saturated unit weight of 19.3 kN/m3 and an angle of internal…

A: at rest earth pressure coefficient  Ko = (1-sinΦ) = (1-sin 29°) = 0.51519

Q: Problem 3.5 A layer of sand extends from ground level to a depth of 9 m and overlies a layer of…

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Q: A uniform collapsible sand stratum, 2.5 m thick, has specific gravity of its sand as 2.65, with a…

A: given- H=2.5 mG=2.65e=0.65

Q: Problem 3.5 • A layer of sand extends from ground level to a depth of 9 m and overlies a layer of…

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Q: A thin layer of silt exists at a depth of 18 m below the surface of the ground. The soil above this…

A: Given: The slit is at the depth of 18 m. The dry unit weight of soil is 15.1 kN/m3. The average…

Q: deposit of sand has the following properties: angle of internal friction, Ф = 35°, Dry unit weight,…

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Q: QUESTION: 5 Water is flowing in an upward direction through a stratum of sand, 4 m thick, under a…

A: Given data- thickness of sand=4 mtotal head difference=2 mSG=2.65void ratio e=0.065To Find-The FOS

Q: SITUATION 1: A saturated clay layer is overlain by a 2.5-m thick sand. The sand has a dry unit…

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Q: 2. At what depth would total the vertical stress in a deep deposit of clay (e 1.1, G, 2.74) be 100…

A: Given data: Vertical stress (σ) = 100 kpa void ratio (e) = 1.1 Specific gravity of soil solids (GS)…

Q: 2. A ground profile consists of 3 m of silty sand of density p = 2.0 Mg/m3 overlying 12 m of clay…

A: Given :  Depth of silty sand = 3 m Density of silty sand = 2 Mg/m3 Depth of clay = 12 m Density of…

Q: Compute the immediate settlement beneath the center of a 5 m x 5 m flexible footine resting at 0.5 m…

A: Assume stress-strain modulus,E= 300 qu  where qu is undrained strength 150 kN/m2  E=300×150=45×103…

Q: Question 01 An undisturbed clay layer is 15 m thick and have a natural moisture content of 45 %. The…

A: given data H=15m w=45% saturated unit weight=17.2KN/m3 G=2.68 liquid limit=65% increased…

Q: Q: For the soil profile shown in figure .if a uniformly distributed load, 100 KN/m2, is applied at…

A: The settlement of the soil is three types such as Primary settlement or consolidation settlement…

Q: A 2-meter clay layer (e = 0.88, Gs = 2.67, Cc = 0.305) is overlain with 4-meter-thick sand layer (e…

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Q: A saturated site is underlain by a 15m thick layer of gravel with friction angle = 40 and lateral…

A: Given,  Thickness of the layer= 15m Friction angle, θ= 40° Lateral stress ratio, K= 0.5

Q: Total predicted settlement due to consolidation of a low clay layer a certain pressure is 150mm. If…

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Q: A ground profile consists of 2.0 meters silty sand underlain by 3.0 meters of clay. The ground water…

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Q: For a clay layer in the field, the following values are given: • Thickness of clay layer = 3 m •…

A: cσi=130kPaσf=130+65=195kPaσP=1.5σi=195kPa

Q: Question 01: An undisturbed clay layer is 15 m thick and have a natural moisture content of 45 %.…

A: Given:- The thickness of the clay layer = 15 m  The natural moisture content = 45% = 0.45 The…

Q: The figure shows a soil profile with a silty sand (y= 17 kN/m²; Ysat = 19.2 kN/m3) underlain by high…

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Q: PROBLEM 50: Compute the compression  index of undisturbed clay having a plastic  limit of 32% and a…

A: wL=32% wp=8%   Compression index,Cc=0.009(wL-10) => Cc=0.009(32-10)=0.198

Q: 1 points A sand layer 8 meters high overlies a clay layer that is 9 meters high. Ground water table…

A: Given: Thicknesses of sand layer: 8m Thickness of clay layer :9m Unit weight of sand  Unit weight of…

Q: A site is underlain by a 6m thick saturated clay layer over rock. The unit weight of the clay is 22…

A: Given: thickness of clay layer, Ho = 6m unit weight of clay γc= 22kn/m3 void ratio, eo = 0.96 depth…

Q: Question: What is the intensity of active earth pressure at a depth of 10.0 m in dry sand with an…

A: Given data : Depth (Z)=10 mAngle of shaering resistance (ϕ)=30∘Unit weight (γ)=18 KN/m3

Q: Determine the settlement, in mm, on a layer of clay due to an inc loads above it under the following…

A: According to given data Option A =0.241 is correct option , Calculation is given in step 2

Q: A soil profile consists of a clay layer underlain by a sand layer, as shown. If a tube is inserted…

A: To Find Effective stress and Pore water pressure at point A,B & C.

Q: ) A clay stratum has 2.5 m thickness and has initial overburden pressure of 45 kN/m2. The clay is…

A: Given  Thickness of clay layer H = 2.5m e0= 1.2 Compression index Cc = 0.27 Swelling index Cs = 0.06