The following figure shows a soil system supported by a 4m high retaining wall. This is normally consolidated soil and the wall has been restrained from yielding. Determine the lateral force Po, exerted by the soil system on per unit length of wall. [yw = 9.81 kN/m³], A H = 4m B c' = 0 $ = 30° Y = 16 kN/m³ 0 30⁰. 20 kN/m ³. 2.5 m
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- Q: The following figure shows a soil system supported by a 3m high retaining wall. This is normally consolidated soil and the wall has been restrained from yielding. Determine the lateral force Po, exerted by the soil system on per unit length of wall. [Yw = 9.81 kN/m³] H = 3m A B С c'=0 $ 20⁰ y = 15 kN/m 3 c'=0 Ø Y sat 20° 18 kN/m3 2ma. Rankine's active earth pressure coefficient: ka1 = (for the upper layer) ka2 = (for the lower layer) b. Lateral pressure due to soil (in kN/m2 per meter length of wall): @ point R = @ just above point S = @ just below point S = @ point T = Thank you please helpFigure Question 2 depicts the design of a gravity retaining wall for carthquake condition given: Kv-0 and Kh-0.37 What should be the weight of the wall for a zero-displacement condition? Use a factor of safety of 2.4. What should be the weight of the wall for an allowable displacement of 50.95 mm? Sand $:= 35° %3D Sand $=37 3. Figure Question 2 B Give a comprehensive detail on how to analyze a retaining wall
- A retaining wall is shown in the Figure below. For each problem, determine the Rankine active force, Pa, per unit length of the wall and the location of the resultant. H 12 m H₁ 4m Surcharge Frictionless wall Sand 71 di =0 Y₁ Y₂ 17 kN/m² 23.2 kN/m² ↓ Groundwater table i(deg) : (deg) 36 42 4 25 kN/m² Sand Ey (saturated unit weight) DE MOITAMINE 72 -0Given: 1. Structural Component: Beam 300 mm x 400 mm Column 400 mm x 400 mm Slab thickness 110 mm 2. Dead Load: Super Imposed dead load = 4.5 KPa (including slab weight) CHB = 3.11 KPa 3. Seismic Parameter: Soil Profile - Sb Closest distance to the source - 10 km Ductility Coefficient R = 8.0 Seismic Zone Z=0.40 Ct = 0.0731 A. Compute TOTAL LATERAL FORCES in the 2nd floor? B. Compute LATERAL FORCES in the 3rd floor?A 2m clay layer has values of e = 0.92, Gs = 2.72 and liquid limit of 40%. Above the clay is a 3m thick layer of sand with e = 0.50 and Gs = 2.62. The water table is located 1.6m below the ground. If a 3m thick backfill is placed on the ground surface having a unit weight of 17.3 KN/cu.m. determine the following3B 1. Compression index of clay 2. Effective pressure at the midpoint of clay 3. Primary settlement for normally consolidated clay %3D Givan:
- You are working for a consulting firm that has been asked to evaluate the factor of safety of the wall shown in the figure supported by a well-degraded sand. The resultant load behind the concrete wall acts at the one third point. Dw 1m 1.5 m 24 kN/m³ y = 20 kN/m³ 26.5 kN/m 24° = 34° n = 0.4 3 m (a) Determine the factor of safety if Dw − D > 1.5B. Ignore the lateral passive resistance due to the soil in front of the wall. (b) Determine the factor of safety if the ground water table rises to 0.5 m below the base of the wall. Discuss the significance of your observations.Y=15kN/m³ 몰 Y = 12.5 kN/m³ 0 p = 150 kPa e.= 0.95 C₁ = 0.62 Cv=0.135 Y=27.5 kN/m³ sand 9m Clay Bedrock 25,000 KN ↑ 3m 18m ↑ 5m ↓ A) What is the induced stress so (in kPa) at the midpoint of the clay layer from the point load? B) What is the change of void ratio, se, in the clay layer because of the point load. c) Calculate the settlement (in the nearest cm) at the clay layer because of the point load. Use the one layer approach. D) while the one-layer approach is not accurate to represent the distributed stress from the point load, how many layers would be proper?Water flows through the system below (see arrow direction). The saturated unit weight of the soil is 17.985 kN/m3. If a=3m, b=d=1m, c=6m and e=2.5m. Determine the effective stress at section X-X.
- A6 m high retaining wall retains 3 m of Soil 1 which overlays Soil 2 as shown in the figure. The water table is at the interface of the two sods. The tod properties the active earth pressure and hydrostatic pressure distributions are also shown in the figure. The magnitude of the active earth pressure at Point of the pressure distribution is Soil 1: e-0, -30° Y-17kN/m' 3 m 6 m Soil 2 e 10 kPa, -20° You 20 kN/m² + hydro- static O 17.0 kPa O 11.0 kPa Ⓒ25.0 kPa O 29,4 kPaRefer to Figure, q1 = 90 kN/m; q2 = 325 %3D %3D kN/m; x1 = 4 m; x2 2.5 m; z = 3 m. the vertical stress increase, at point A is nearly (KN/m2) Line load = 91 Line load = 42 Ao 28.6 O 18.6 O 24.6 OExample: Please find the earth pressure at rest distribution value and resultant force on the retaining wall in the figure below; The static side pressure coefficient is 0.5 q=20kpa r=18kN/m rsat=18kN/m c=0kpa shared by H 10m