River Excavation Plan 1.2 Slope1 2 m Excavation Silt 21 m- Cross section a-a. 8 m Not to scale

Q: What is the overall horizontal conductivity for an aquifer with 3 different formations if: formation…

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Q: 4. A 500-m long levee made of compacted clay impounds water in a reservoir as shown in Figure 3. A…

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Q: 2. A well with a diam. of 0.6 m. is constructed in a confined aquifer as shown. The sand aquifer has…

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Q: B- An unconfined aquifer has a thickness of 30m. A fully penetrating 20cm diameter well in this…

A: for unconfined aquifersQ=πkh22-h12lnr2r1k=hydraulic conductivityQ = dischargeh=effective lenth of…

Q: A confined aquifer has a thickness of 30 m and is fully penetrated by well   where the aquifer is…

A: The thickness of the aquifer(b) =30 m.The diameter of the well is 20 cm.The pumped rate of the…

Q: P 4: A sand sample of 35cm2 cross sectional area and 20cm long was tested in a constant head…

A: Cross-sectional Area = 35 cm2 Length = 20cm Head = H = 60cm Discharge = 120mL in 6min or .33cm/sec…

Q: a 45 cm well in an unconditioned aquifer of saturated thickness (40+8) m yields (600+10(2) lpm under…

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Q: QI) An unconfined aquifer has a thickness of 33 m. A fully penetration 20 cm diameter well in the…

A: Considering the Thickness of Unconfined Aquifer from the Water Table.The Diagram is Given Below:2-…

Q: Determine the drawdown at a distance of 50 m from a well pumping constantly at 50 US gpm after one…

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Q: A 2‐ft diameter well penetrates vertically through a confined aquifer 50 ft thick. When the well is…

A: Solution Given Data Dia of well d= 2 ft The thickness of confined aquifer t= 50 ft Discharge Q= 500…

Q: An unconfined aquifer exists where a buried river channel cut into underlying impermeable bedrock.…

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Q: An unconfined aquifer has a thickness of 30m . A fully penetrating 20cm diameter well in this…

A: Given: The thickness of the aquifer is 30 m. The diameter of the well is 20 cm. The pumped rate of…

Q: QUESTION 12 1. A 40 cm well completely penetrates an unconfined aquifer of saturated depth 40 m.…

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Q: A pumping test was carried out to determine the average hydraulic conductivity of a sand deposit 20…

A: aWater level in farthest wellDrawdown=1.6mwater level=20-1.6m=18.4m

Q: Q.2 (c) A homogeneous anisotropic embankment dam section is shown in the figure, the coefficient of…

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Q: b. An aquifer with a potentiometric surface is 50 m thick and 500 m wide. Two observation wells are…

A: Calculate total flow of water and velocity between two wells

Q: Consider the hydraulic structure shown in the figure below. In the flow net for flow through the…

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Q: Please answer with complete solution and Fbd. A field sample of an unconfined aquifer is packed in a…

A: Given data, Length  L = 60 cm  Diameter d = 8 cm = 0.08 m Head difference dh = -18.5 cm Time period…

Q: 49. A pumping test was made in a sand layer extending to a depth of 16m. The initial groundwater…

A: Given data in question  Depth of layer Depth of water table Drawdowns Discharge  Radial distances…

Q: A pump well is dug through a confined aquifer having a thickness of 32 meters. The piezometric…

A: Given data- Confined aquifer- Thickness of aquifer (D) = 32m Depth/Height of aquifer (H) = 18 m…

Q: A permeability pumping test was carried out in a confined aquifer with the piezometric level before…

A: Given- The permeability pumping test was carried out in a confined aquifer with the piezometric…

Q: A 300 mm diameter test well penetrates 24 m. below the static water table. After 24 hours of pumping…

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Q: 6. In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15* 10 m/s, is 4m…

A: given diameter=20 cmk=4.15×10-4 m/ss=4 mt=30 mR=245 m

Q: A well was constructed to pump water from a confined aquifer. Two observation wells were constructed…

A: The given data is shown below: Distances=350 m and 800 mDrawdowns=1.6m and 7.8mDiameter of test…

Q: An confined aquifer has a thickness of 30m. a fully penetrating 20cm diameter well in this aquifer…

A: Q=πkh22-h12lnr2r1Q=35 litsec=35×10-3 m3sec35×10-3=π×k×29.52-22.52ln10010k=7.0475×10-5 msec Hydraulic…

Q: A well penetrates an unconfined aquifer, with undisturbed water level (ho) equal to 21m. After…

A: To find the hydraulic conductivity, porosity and darcy velocity-

Q: Question 1: * Two observation wells have been constructed in the formation shown. The flow rate is…

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Q: In a field testing, the hydraulic gradient between two peizometers is 1.11, the area of flow is 4.08…

A: Darcy Law will be used to find the discharge

Q: Calculate the equivalent hydraulic conductivity for the soil profile shown in Figure k = 2.3 x 10…

A: Hi there! we can only answer one question at a time so, we’ll answer the first question since the…

Q: Problem (4) The following results have been reported for field pumping test from a well, where the…

A: Given,  Disharge (q) = 0.68 m³/min h1= 5.6m h2= 5m r1=60m r2= 30m Our aim is to determine the,…

Q: Question 3 Calculate the equivalent hydraulic conductivity in horizontal and vertical direction for…

A: Case 1: Considering separate effect: 1. Equivalent horizontal conductivity:…

Q: Figure A gives the sectional profile of a confined aquifer. Given: Ho = 5m, Do (max) = 5.5m, R; =…

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Q: A well was constructed to pump water from a confined aquifer. Two observation wells were constructed…

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Q: Ihe excavation has to be kept dry. Determine the flow rate (q) nto the

A: Given k=2×10-5,slope=1V:1.2H excavated area (A)=a+b2×y3 where a=8m,b=12.8m,y=depth of excavation

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.