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A 120 ft diameter cylindrical tank with an empty weight of 1 1b is to be built on top of a 2 ft thick compacted gravel fill with a unit weight of
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- 3. An embankment with a total volume of 30,000m3 is to be constructed as part of a highway project. The soil to be used in the embankment will come from a borrow pit where the average moist unit weight and water content of the soil is 17.6kN/m3 and 13% respectively. Assuming that the soil will be compacted to a dry unit weight of 18.2kN/m3 at a moisture content of 16%. a. Compute the weight of dry soil required. b. Compute the volume of borrow required. c. Compute the total quantity of water in cubic meters that must be added to the fill during compaction to bring about a desired final moisture content of 16%.arrow_forwardAn embankment is to be constructed for a certain project, as such filling materials are required to be excavated from borrow pits. The moist unit weight of the undisturbed soil is 20 kN/m3 and its water content is 10%. In order to build a 5 m high embankment with top width 2 m and side slopes 1:1, estimate the quantity of earth required to be excavated per meter length of embankment. The dry unit weight required in the embankment is 17 kN/m3 with a moisture content of 12%. Assume the specific gravity of solids as 2.65.arrow_forwardWater flows uniformly in a rectangular concrete open channel that is 10 m wide at a depth of 3m. The channel slope is 0.0025. Using n = 0.013. Find the velocity, flow rate and the boundary shear stress.arrow_forward
- A triangular dam 12 m high and 8 m base width retains water 10m deep and has a vertical upstream side. Compute the maximum soilpressure at the base. Sp. gr. of concrete is 2.4a. 152.92 kPa b. 192.25 kPac. 122.34 kPa d. 129.95 kPaarrow_forwardSolve with complete solutions and explain. An embankment for a highway 30 m wide and 1.5 m in compacted thickness is to be constructed from a sandy soil trucked from a borrow pit. The water content of the sandy soil in the borrow pit is 15% and its void ratio is 0.69. The swell index is 1.2. The specification requires the em-bankment to be compacted to a dry unit weight of 18 kN/m3. Determine, for a 1 km stretch of embankment, the weight of sandy soil from the borrow pit required to construct the embankment, the number of truckloads of sandy soil required for the construction. The full capacity of each truck is 22.2 m3 and local government policies require a maximum loaded capacity of 90%, the weight of water per truckload of sandy soil and the degree of satu-ration of the sandy soil in situ.arrow_forwardPlease solve a and b i need urgently. 1) A cross section of a canal is shown in Figure .The center of rotation of the sliding mass is at coordinates x = 113 m and y = 133 m. The rock surface is tangent to the slip plane. Assume the soil above the groundwater level is saturated. Use Bishop’s method. The properties of the soil are as follows along with the image. a) Determine the factor of safety for the existing condition level in the canal. b) Determine the factor of safety for a rapid drawdown of the water level in the canal.arrow_forward
- A canal having side slopes 1:1 is proposed to be constructed in a cohesive soil to a depth of 10m below the ground surface. The soil properties are ϕu = 15⁰, Cu = 12 kPa, e = 1.00, Gs = 2.65. If Taylors stability number, Sn = 0.08 and if the canal flows full, the factor of safety with respect to cohesion failure against the failure of canal bank slopes will be most nearly equal to?arrow_forwardA permeable soil layer is underlain by an impervious soil layer. The coefficient of permeability of the permeable layer is k = 0.005 cm/sec. The height of point A to the reference is 192.976m while point B is 88.88m. The horizontal distance of point B to A is 108m. Determine the hydraulic gradient if the thickness of the Permeable layer of soil is 8m.arrow_forward1- Depth of B.H ==> depth of borehole 2- Bearing capacity for the soil under the footing. ==> hansen equation 3- Immediate settlement for the soil under footing. ==> Si 4- Find the time required for 100% degree of consolidationarrow_forward
- The hydraulic gradient for quicksand condition is equal to 1.25 with a void ratio of 0.42. The moist unit weight of soil is 19.50 KN/m3. Compute the dry unit weight of soil in N/m3 Please answer this asap. For upvote. Thank you very mucharrow_forwardThe channel consists of a smooth cement section (m = 0.109) and overflow regions on each side that contain light brush (m = 1.54). If the bottom of the channel has a slope of 0.0015, determine the steady volumetric flow when the depth is 2.5meters. Show step by step solution using Bazin's formula.arrow_forwardA deposit of cohesionless soil with a permeability of 0.3 mm/s has a depth of 12 m with impervious ledge below. A sheet pile wall is driven into this deposit to a depth of 8 m. The wall extendsabove the surface of the soil, and a 3 m depth of water acts on one side. Sketch the flow net and determine the seepage quantity. a. 600 ml/s/meter length b. 300 ml/s/meter length c. 1200 ml/s/meter length d. 900 ml/s/meter lengtharrow_forward
- Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning