The soil profile is subjected to a surcharge of 120 kPa on the ground surface. 120 kpa 1.5m ywater fable 4.5 m Sand 1.5 Clay 3. 6m 1. How high willl the water rise in the piezometer immediately after the application of the load? a. 10.62 m
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- A soil profile consists of 3m of clean sand (γ=18kN/m³) over 10m of silt (γ=17kN/m³, kv=1 x 10-8m/s) over 12m of clay (γ=17kN/m³, kv=4 x 10-9m/s) over gravel. Piezometers installed at middepth of the sult later and at the top of the gravel layer measure, respectively, piezometric heads of 4m and 3m. Assuming one-dimensional flow in the vertical direction, compute the flow rate in m³/year/10,000m². Also, compute at 16m below the ground surface the total veritcal stress, effective stress, and porewater pressure.In a constant head permeameter with cross section area of 10cm2 when the flow was taking placeunder a hydraulic gradient of 0.5. the amount of water collected in 60seconds is 600cc.find thepermeability of soil..A vertical 150 mm pipe leaves a water tank of surface elevation 24. Between the tank andelevation 12, on the line, 2.4 m of head are lost when 56 Fs flow through the line. If an openpiezometer tube is attached to the pipe at elevation 12, what will be the elevation of the watersurface in this tube?
- In a constant head permeameter with cross section area of 10cm2 when the flow was taking place under a hydraulic gradient of 0.5. the amount of water collected in 60seconds is 600cc.find the permeability of soil.Determine the wetting angle for a liquid with specific gravity of 13 from the positive y direction expected in a 0.08-in diameter tube if the surface tension is 0.0352 lb/ft and the capillary depression is 0.01908 ft.Determine the following: If w1=5 kN/m and W2 = 7 kN/m, Est = 210 GPa, b = 50 mm and h = 150 mm.
- A layer of silty soil of thickness 5 m lies below the ground surface at a particular site and below thesilt layer lies a clay stratum. The ground water table is at a depth of 4 m below the ground surface. The following data are available for both the silt and clay layers of soil. Silt layer: ?10= 0.018 mm, e= 0.7, and Gs = 2.7 Clay layer: e = 0.8 and Gs = 2.75 Required: (a) Height of capillary rise, (b) capillarypressure, (c) the effective pressure at theground surface, at groundwater table (GWT)level, at the bottom of the silt layerand at a depth of H =6 m below groundlevel, and (d) at a depth 2 m below ground level.(Sketch or draw the stress distribution diagram).Describe about the Ice lens formation by capillary movement of groundwater into zone of freezing.A course sand sample is placed in the constant permeameter test. Water passes through the sample water with a constant head of 40cm and after 0.00167hr, 40grams of water have been collected. What is the coefficient of permeability of the sand in cm/sec if the sample is placed inside a 166cm container with a 7.89cm radius?
- Find the seepage velocity through soil 1 if the average velocity is 0.0073 meters per second. Use 3 decimal places. H1 = 1.25 m n1 = 32%H2 = 2.51 m n2 = 22% H3 = 2.51 m n3 = 28%Given data: Depth of Clay layer =4Depth of Sand layer=2unit weight of clay kN/m3=23unit weight of sand kN/m3 =21Ø in both layers=30C´= 0Compute the capillarity of mercury with a specific gravity of 13.6 in a 2-mm diameter tube. Assume a cohesion of 0.467 N/m and contact angle = 140°. Indicate whether it is a rise/ fall.