Example 1: In the Figure below, a hydraulic structure built on fine sand (C, = 15). Determine (a) whether the percolation gradient is safe. (b) Uplift pressure at points A, B, and C at distances 15, 25, and 35 m from the upstream end. (c) Thickness of floor at these points. Use Bligh's theory. Take Gp= 2.24. 4 m C 15 m 10 m 10 m 6 m 8 m 35 m

Q: 15 m C IN 2 3.5 m 3.5 m BA 2 Unit weight y = 19 kN/m³ 8 m ↓

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Q: B=10m > q= 400 kN/m² 2 m- sand 10 m- clay Fig. 1

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Q: The lower sand layer in the soil profile shown below is in an artesian condition. Calculate: 2 a)…

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Q: An 8m-Thik layer of stiff saturated clay is underlain by a layer of sand (Refer to the figure…

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Q: 1. Given the structure and the flow net detailed in Figure 1. The coefficient of permeability (i.e.…

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Q: Using equation 6.14, determine the vertical stress (Aoz) increase below the center of paded area at…

A: Given Area = 6.35*3.35m^2 Depth 2m,4,6,8,10m q= 225kn/m^2 Calculate stress at different different…

Q: The hydraulic conductivity depends mostl on: O 1. Unit weight of a soil. O 2. Interconnected void…

A: From the given questions, it is required to define porosity and to find the uplift pressure for a…

Q: 1. (30 pts) The soil profile shown below consists of 10 meters of sandy silt overlying gravel. The…

A: Step 1:Step 2: Step 3: Step 4:

Q: The dam shown has a base of which 2 m. below the ground surface. The pressure distribution diagram…

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Q: Find effective stress at A and determine the stability of cut under given condition. (ii) What…

A: Calculation of soil mechanics problemPart i) effective stress at A and…

Q: You have been assigned to check the stability of a pond constructed in stiff saturated clay…

A: To findThe effective stress at A and determine the stability of cut under given conditionwater level…

Q: Consider a flow condition is given in figure below: % = 10 kN/m² 200 mm 100 mm 300 mm Yat = 20 kN/m²…

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Q: 8.10 An embankment shown in the figure is constructed. Compute and plot the distributions of the…

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Q: A line load of q=60kn/m with alpha =300 is placed on a ground surface as shown in figure…

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Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.