A certain clay layer has a thickness of 2 m. After one year when the clay layer was 50% consolidated a settlement of 20 mm occurred. For a similar clay layer, under similar loading and drainage conditions, how much settlement would occur at the end of four years, if the thickness of the new layer is 4 m?

Q: .Define the Following unconformity, hiatus, Environmental of Deposition, formation, Cretaceous

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Q: Diameter. 45 m STORE 12 m Liquid: 9.6 kN / m² YASS Internal friction angle: 35° Unit volume weight…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Q.3. A Clay layer, shown in figure (2) is loaded by a continuous surcharge (fill material of sandy…

A: Given, γfill = 13 kN/m3  Depth of fill = 1 m

Q: The clay layer below was subjected to a surcharge that would a total settlement of 10 inches. If C,…

A: solution Given total settlement Sf=10inches required settlement S=5inches sp the degree of…

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Q: Given the following consolidation test, plot the e-log p relationship and determine if the clay…

A: The curve of the trend shows that it is an overconsolidated curve

Q: A 20 mm thick laboratory soil sample reaches 60% consolidation in 32.5 seconds under double drainage…

A: Given- thickness of soil sample H=20 mmConsolidation U=60% time t=32.5 sDouble drainage conditionIt…

Q: Average unit weight for medium dense sand?

A: Soil classification:According to the amount of compactness, the soil is classified as, Very loose…

Q: At a construction site a 3 m thick clay layer is

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Q: For soil profile shown in figure below, estimate the consolidation settlement due to pla 3m fill…

A:

Q: When a clay's effective stress is increased by 12,000 kg/m, the change in the void ratio is 0.20. If…

A: Given: Change in effective stress '∆σ' =12000kg/m^2 =1.2kg/cm^2 Change in void ratio '∆e' = .2…

Q: The time required for a 50% consolidation of a 25 mm thick layer (drained at both sides) in the…

A: solutionTime for 50% consolidationt=2min 20sec=140 secfrom settlement tableTv=0.197 for 50%…

Q: Question attached

A: Solution; (A) Settlement at point A Equation: Sc=mv*σ'z*H

Q: In an oedometer test, a specimen of saturated clay 19 mm thick reaches 50% consolidation in 20…

A:

Q: A clay layer 5 m thick has double drainage. It was consolidated under a load of 127.5 kN/m2. The…

A: Given Data: Thickness of layer=5m double drainage Load=127.5 kN/m2 Increased load=197.5 kN/m2…

Q: A sample of saturated clay had a volume of 97 cm3 and a mass of 0.202 kg. When completely dried the…

A: Shrinkage limt is :SL=MC-V1-V2Wdryρw

Q: 2. Which one is more likely to cause settlement problem, normally consolidated or overconsolidated…

A: NOTE - Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

Q: A buried clay layer ten feet thick is sandwiched between strata free draining granular soil so that…

A:

Q: A normally consolidated clay specimen drained from both sides is tested in the laboratory, and the…

A: Given :  50% consolidation takes place in 2 mins  thickness = 25 mm (double drained) initially…

Q: Given that for an over-consolidated clay soil deposit, the pressure under which the deposit has been…

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Q: In an oedometer test, with half-closed drainage condition, a specimen of saturated clay 19 mm thick…

A: Solution:

Q: Question 12 If the primary consolidation settlement of a clay layer is calculated to be 460 mm, what…

A:

Q: Time required for settlement of clay layer for double drainage system if time factor and…

A: For good foundation we have to find out the settlement of clay soil. More the settlement more poor…

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A:

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Q: Problem2) A sample, 75 mm in diameter and 20 mm high, taken from a clay layer 10 m thick, was tested…

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Q: The shear strength of unsaturated soils can be represented by the extended Mohr-Coulomb failure…

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Q: Prob. 16.8 A clay layer of thickness 7 m after 1 year when it was consolidated to 40% settled by 13…

A: Given data, For 7m clay layer, H1= 7m, t1= 1year Δh1=13cm For clay layer, 7+14=21m, H2= 21m t2=…

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Q: Q1- In an Odometer test a specimen of saturated clay 26 mm thick reaches58% consolidation in 31 min.…

A:

Q: 1.In an oedometer test a specimen of saturated clay 19 mm thick reaches 50% consolidation in 20 min.…

A:

Q: A buried clay layer 10 ft thick is sandwiched between strata of free-draining granular soil so that…

A: The expression for settlement time is given as, Here, t is the time at which settlement is…

Q: A 10 m thick clay layer with single drainage layer undergoes a settlement of 22 mm in 3 years. If…

A: Ans is 10 years

Q: A soil has a discharge velocity of 6 × 107 m/s and a void ratio of 0.5. What is its seepage…

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Q: The settlement analysis for a proposed structure indicates that 6.5 cm of settlement will occur in…

A:

Q: A dry sand sample of (1350 gm) was subjected to compression stress (198.6 kPa) of (0.9 kN) force. If…

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Q: A certain clay layer has thickness of 5 m. After 1 year, when the clay was 50% consolidated, 8 cm of…

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Q: 9. A 4.5 m saturated clay layer (two-way drainage) subjected to surcharge loading underwent 90%…

A: Given data:    The primary consolidation, U = 90%    Thickness of saturated clay layer = H = 4.5 m…

Q: The time to reach 60% consolidation is 35 seconds for a sample of 15 m thick tested in a laboratory…

A: Given data :-  1st case :-  Degree of consolidation (u) = 60% = 0.6  Time (T1) = 35 second…

Q: In a reclamation project, the middle of a clay layer is under an initial effective vertical stress…

A:

Q: A clay layer 5 m thick has double drainage. It was consolidated under a load of 127.5 kN/m2. The…

A:

Q: Estimate the primary consolidation settlement in the clay layer. Given: Δσ = 150 kN/m2; H1  = 3 m;…

A: CC=0.009LL-10CC=0.00965-10=0.495CS=16CC=0.0825Effective stress at middle of…

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

A:

Q: Why might the permeability in fine-grained soil deposits be expected to be greater for horizontal…

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Q: A 8 m thick clay layer with single drainage settles by 120 mm in 2 years. The coefficient of…

A: This question is related to the Consolidation from Geotechnical Engineering.

Q: Question 7 Identify the rock quality for the rock recovery shown in the Figure. Poor Good Very poor…

A: As the recovery of rock pieces are more at bottom and less on top the rock is fair.

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.