1. List the given required.2. Graph if necessary.3. Box the final answer. SITUATION 2-A confined aquifer underlies an unconfined aquifer as shown in the figure.Given the following: D₁= 55 m, D₂- 42 m, H 45 m, H₂= 30 m, KF 45 mvday, K₂= 20m/day, L= 2.1 km.4. Calculate the equivalent coefficient of permeability (in m/day) in horizontaldirection.5. Calculate the flow of water from one stream to another per meter width in m³/day.DiM₁H₂0₂

Answered: Image /qna-images/answer/86da6411-fb5f-4125-a717-c2550ac32ef8.jpg

Answered: SITUATION 2-A confined aquifer…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Situation 2: 4. 5. For the given figure, r₁ = 30 m r₂ = 10 m H = 20 m t = 15 m Q = 13 L/s h = 13.6 m h₁ = 17.6 m h₂ = 16.3 m d = 0.6 mø draw down H t d ₂1 C Find the permeability of the aquifer in m/s. Compute for the transmissivity of the impermeable layer in m²/s. h₂ 5 h₁ -observation wells -impermeable Confined layer Aquifer
From the figure shown, an unconfined non homogenous aquifer between two water bodies at a depth of t1 = 96 m and t2 = 75 m respectively. Take K1 = 36 m/s, K2 = 48 m/s, H1 = 1470 m and H2 = 1230 m. K, K2 t2 H1 H2 a. Compute the average coefficient of permeability of the aquifer in m/s. (2 DECIMAL PLACES) b. Compute the rate of flow in m^3/s. (2 DECIMAL PLACES) c. Compute the time in seconds required for the water to pass through the soil if it has a void ratio of 0.36. (2 DECIMAL PLACES)
unconfined aquifer underlies An confined a aquifer as shown in the figure. a. Compute coefficient flow in the horizontal direction. equivalent of permeability for the 42 m k = 35 m/day 57 m 40 m k = 25 m/day 33 т b. What hydraulic gradient? is the value of the 2000 m c. Compute the rate of flow of water from meter width. one stream to another per
Problem 1: An unconfined aquifer underlies a confined aquifer as shown in the figure: 44 m K1 - 40 m/day 55 m 47 m 36 m K2 = 35 m/day 2,000 m 1. What is the equivalent coefficient of permeability for flow in the horizontal direction in meter per day? 2. What is the hydraulic gradient? 3. What is the rate of flow from one stream to another per meter width?
ΔΖ P F D (origin) ΔΧ Figure 1 A: incoming x B: C: incoming y D: outgoing y E: incoming z F: outgoing z x Figure 1 describes a control volume of a saturated confined aquifer where Ax = Ay = Az = 1 m with a porosity of 0.30. 1. For this problem, assume that the fluid and aquifer skeleton are incompressible. Given pore velocities through the control volume depicted in Figure 1: A. 5.00 m/d C. 3.00 m/d E. 2.00 m/d B. ? m/d D. 2.75 m/d F. 1.75 m/d (a) Determine the pore velocity and magnitude of flow Q [L³/T] through face B. (b) Is the fluid moving into or out of the control volume at face B? (c) Which direction is the outgoing fluid moving? This will require two angles to describe the resultant outgoing 3D velocity vector - use to denote the angle of the resultant vector in the x-y plane, and to denote the angle of the resultant vector in the horizontal plane with the vertical plane.
5. From the figure shows an unconfined non homogeneous aquifer between two water bodies at depth of 50 m and 45 m. respectively. Compute the average coefficient of permeability of the aquifer and the rate of flow. K2= 30 m/sec K1= 20 m/sec 50 m 45 m 1000 m 800 m
#18 A non isotropic soil supporting the dam as shown in the figure. The flow net has 4 flow channels and 20 equipotential drops. Coefficient of permeability of soil. Vertical coefficient of permeability: Kv = 0.002 m/day Horizontal coefficient of permeability: Kx = 0.018 m/day 12m 4m
The following figure shows a confined aquifer with two piezometers measuring pressure head at two different locations 450 m apart. The aquifer has a uniform thickness of 3.2 m and a hydraulic conductivity of 7.2x10³ cm/s. Assume the width of the aquifer into the page is 10 km, and the flow is one dimensional from left to right. Compute the total flow in the aquifer. 450 m -Piezometer Elevation: 86 m Elevation: 845 m 3.2 m Confined Aquifer
Referring to Figure Q3, calculate the following quantities: a. Elevation head, total head, and pressure head at point M on Figure Q3. b. The quantity of water seeping through the dam of Figure Q3 per day. The hydraulic conductivity of the soil is 10-8 Boundary equipotentials Na = 9 N = 3 Boundary flowlines %3D 10 m %3D 12 m 6 m M A (11 m7 m 1 m 2 m Fig. Q3: Earth Dam
Question 2 Refer to Figure 2 below. If the water surface elevation in reservoir B is 110 m, what must be the water surface elevation in reservoir A if a flow of 0.06 m³/s is to occur in the cast-iron pipe (ks = 0.26 mm)? The kinematic viscosity of water at 10°C = 1.3x10-6 m²/s. Ignore all minor headlosses. Elevation = ? Water T= 10°C Elevation = 110 m B L= 150 m D = 15 cm Cast-iron pipe L=100 m, D = 20 cm, cast-iron pipe Figure 2
A confined aquifer has a of recharge. K for the aquifer is 60 m/day, and n is 0.3. The piezometric head in two wells 1500 m apart is 70m and 60m respectively, from a common datum. The average thickness of the aquifer is 35m. Calculate the following. a. Volume discharged in 2 days in m3 Blank 1 b. Seepage velocity (cm/s) Blank 2
9.An unconfined aquifer with K-30 m/day is bounded by a stream on one side as shown in Figure 2, At a distance of 80 m from the stream, a well of 0.4 m diameter is pumped at rate of 3000 m³/day. What is the drawdown in the well? Q=3000 m³/day 20 m m 801 Figure 2 C C d=0.4 m K=30 m/day Impermeable Layer m³ / day

SEE MORE QUESTIONS

Recommended textbooks for you

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Fundamentals of Structural Analysis

Civil Engineering

ISBN:

9780073398006

Author:

Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning

Publisher:

McGraw-Hill Education

Sustainable Energy

Civil Engineering

ISBN:

9781337551663

Author:

DUNLAP, Richard A.

Publisher:

Cengage,

Traffic and Highway Engineering

Civil Engineering

ISBN:

9781305156241

Author:

Garber, Nicholas J.

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS