Determine the Factor of safety of an infinite slope having height 4.75m inclined at 18.75° to the horizontal in an over consolidated clay (c' = 24.6 kN/m², o' = 35°, y = 17.83 kN/m³).
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- 1. Determine the gradient of each point from point 1. ( 2540 2540 2290 650-m from point 1-2 850-m from point 1-3 1550-m from point 1-4 Contour map units: meters 2. Given a density of a cubical quart rock to be 2650 kg/m³, determine the lithostatic stress on 800,000 cm³ volume if the acceleration is 980 cm/sec² with a depth of burial to be 6 miles./The soil layer of depth 3m and unit weight in submerged condition in water level of 5m is 21kN/m³. The factor of safety against direct uplift is A 1 B) 0.86 C) 1.28 D 0.92A uniformly distrubuted load applied on a strip fooing constructed in sand. Based on Hansen's equations, for a given factor of safety (FoS = 3) find the required width (B). Water table is far below the base of fooing. 800 kPa 1.8 m q D Y Φ с OF Nq 33.3 FOS 20 35 deg kPa www. Ny 33.9 B kN/m³ m q B D
- e 120 m GL. 118 m GWL (2) A ground soil profile is shown in the right 7 Y =19 KN/m³ Y-21 KN/m³ figure. Soil layer information and their unit weights clay v 116 m are presented in the figure. The groundwater level Y-20 KN/m³ sand is 2 m below the ground surface. Find the vertical 111 m. effective overburden aressure and plot its clay Y=21 KN/m³ distribution curve. 107 m.P-3 Refer to Figure, for which L, = 2.4 m, L2 = 4.6 m, y = 15.7 kN/m³, Ysat = 17.3 kN/m³, and o'=30°, and c= 35 kN/m². Assuming Sand c' = 0 C = Water table free earth support method: a. What is the theoretical depth of embedment, D? Sand Ysat c' = 0 b. What length of sheet piles is needed? c. Determine the theoretical maximum moment in the sheet pile. d. Choose a sheet pile, from next page, if the the steel pile has a oall = 172 MN/m². %3D Clay D C b'= 0An embankment for road traffic is required to be constructed with the followingdimensions :Top width = 8 m, height = 4 m, side slopes= I V : 1.5 HorThe unit weight of soil under the worst condition is 21 kN/m3. The surcharge load on theroad surface may be taken as 50 kN/m2. Compute the vertical pressure at a depth of 6 mbelow the ground surface at the following locations:(i) On the central longitudinal plane of the embankment,(ii) Below the toes of the embankm
- Calculate the active and passive earth pressures AND. determine the distance at which the net active and passive force will acting on the retaining wall Ya=19 kN /m3 - 34 c=3kp 2m 6=34 %3D Vd = 17.54kN/m3 8=32"; ċ=o %3D 1.5m %3D = 21. BkN/m3 V sat 8= 31; c'= o %3D 1.5m %3D Ysat = 22.lkN/m3 5 m 8=30;cio2.) A concrete dam retaining water is shown. If the specific weight of the concrete is 23.54 kN/m3, find the factor of safety against overturning. Assume there is a hydrostatic uplift that varies uniformly from full hydrostatic head at the heel of the dam to zero at the toe and that the coefficient of friction between dam and foundation soil is 0.45. CHOICES: a.) 1.296 b.) 2.961 c.) 6.296 d.) 2.196Using ₁ = 0 analysis and assuming planar failure as shown, the minimum factor of safety against shear failure of a vertical cut of height 4 m in a pure clay having C₁ = 120 kN/m2 and Ysat Y sat = 20 kN/m³ is 77XXX77XXX Potential failure plane 4 m →
- An infinite slope of granular soil has a slope of 29 degrees. The soil has a dry unit weight of 18.02kN/m^3 and a saturated unit weight of 21.15kN/m^3. The soil has a depth of 5 meters over ledge rock measure vertically. Effective friction angle and soil cohesion are 14 degrees and 25 kPa, respectively. a) Compute the factor of safety considering no seepage. b) Compute the factor of safety considering full seepagewith Diameter of 3 in Cove a and Length of 7 in, with wet weight lbt of 3.44 and porosity of 0.172. Find the Specific Gravity of Solid part of rock. 1 bf = 4.45 N 1 ft = 12 in 1 in = 2.54cm2. Soru The dip direction of a rock layer is 293 °. What is the strike of this rock layer? A )N13E B )N23E C )N13W D N23W E )N30E