A compressible normally consolidated clay layer is 7.4m thick and has an initial void ratio of 0.988. Consolidation tests indicate that the void ratio of the clay layer corresponding to the total pressure acting at mid height of the consolidating clay layer after construction of a building is 0.942. Calculate the total expected primary consolidation.

Q: The figure shows the soil profile at a site where you plan to lower the water table. You have…

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Q: A cylindrical water tank weighing 1,000,000 N with a diameter of 3.5 m is expected to be placed on a…

A: The given data is: Weight of Cylindrical tank (W) = 1,000,000 N Diameter of tank (d) = 3.5 m…

Q: A 15" thick clay layer shown below is consolidated. Calculate the time required to achieve 65% of…

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Q: For a certain loading condition, a saturated clay layer under goes 40% consolidation in a period of…

A: Consolidation in saturated clay = 40 % Time period = 178 daysTo find :Additional time required for…

Q: A 3 meter thick clay layer (pore water flowing in both directions) saturated with water loaded with…

A: The answer is found to be Coefficient of consolidation Cv=0.01272 m^2/day  For explanation please…

Q: Estimate the primary consolidation settlement of the clay. Assume the soil above the water table to…

A: Given that :-The soil profile at a site for a proposed office building consists of a layer of fine…

Q: a (kN/m?) 0.92 150 300 0.77 O Cingage Leaming 20

A: Coefficient of volume compressibility is defined as when a unit pressure is applied on the unit…

Q: Q3: A normally consolidated clay layer is 5 m thick (one-way drainage). From the application of a…

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Q: If the OCR of the clay layer is 2.5 instead, and w = 38%, estimate the primary consolidation…

A: According to given data  Given: Void Ratio (e) = 0.76Water Content (w) = 34%OCR (Cc) = 2.5Vertical…

Q: The rate of consolidation for a stratum of clay soil is affected by several factors. Describe these…

A: Factors Affecting Consolidation: (a) Clay layer thickness (b) Number of drainage path (c)…

Q: Problem 4: A building is to be constructed on a 6 m thick stratum of the clay for which…

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Q: A 12 ft. sandy fill is to be added to the saturated clay site shown below. The moist unit weight of…

A: Before loadingσ'=112.4-62.4×10=500 lb/ft2After loadingσ'=500+115×12=1880 lb/ft2σc'=1000 lb/ft2

Q: For a particular loading condition, a saturated clay layer undergoes 30% consolidation in a period…

A: Given- 30% consolidation in 180 days, U1=30% & t1=180 days, Further 20% consolidation, so,…

Q: In a consolidation test, when the load is changed from 50 kN/m² to 100 kN/m², then the void ratio…

A: Given data,  Initial stress (σ0') = 50 kN/m² Final stress (σ'1) = 100 kN/m² e1 = 0.8 e2 = 0.6   To…

Q: A sample of San Francisco Bay Mud (a marine silty clay) has an initial void ratio of 1.42, an…

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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.