k,HH2k,Hk,H. Referring to the figure above, estimate the equivalent hydraulic conductivity for flow in the horizontal direction. Also, calculate the ratio ofi kiy(ea) / k'#(ea)*Suppose that k1 = 15 ×10¬4 cm/s, k2 = 1.0 ×10-4 cm/s, k3 = 1.0 ×10-4Hj = 1.5 m, H, = 2.5 m, H3 = 1.5 m, H4 = 1.5 m.cm/s, k4 = 2.0 x10¬4 cm/s,(Enter your answers to three significant figures.)cm/s

Answered: Image /qna-images/answer/138cbb33-1efe-447a-8791-d968a2f9cb04.jpg

Answered: Referring to the figure above, estimate…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Q3 Figure Q3 shows a flow net for flow through a weir, the base of which is 2m below the ground surface, in a permeable soil layer. Given that the coefficient of permeability =k = 5×10-³ cm/sec, determine the following: - 14 m 7 m 8 m 2 m 10 m kx = k, = k Impermeable laye Figure Q3 a) Total head (m) at point a, b, c, d, e, and f. b) Uplift pressure (or water pressure, kPa) at point a, b, c, d, e, and f. c) The total rate of seepage per unit length through the permeable layer. d) The approximate average hydraulic gradient at point f.
slov b
Q3 Water in a horizontal channel accelerates smoothly over a bump and then undergoes a hydraulic jump, as in below figure. If yı=1 m and ys-40 cm, estimate a) V1, V3 b) the bump height h. Jump h
FUNDAMENTALS OF GEOTECHNICAL ANALYSIS A fine sand sample is placed into a permeameter that supplies a constant head of 100 cm ofwater. Water flows through the sample area of 20 cm2, and its length of 25 cm. If 850 ml of water is collected in 80 seconds, what is the hydraulic conductivity, kHYD in cm/s? a) Calculate the flow rate in cm3/s if the head is increased to 140 cm.
The results from Henry Darcy's first (10/29/1855-11/02/1855) and fifth (02/17/1856-02/18/1856) experiments are shown below. Using Darcy's Law, compute the hydraulic conductivity (in meters/day) of the two sands used in the experiments. Note: 0. Darcy's Law, Q = -K · A. Ah
The gate AB shown in figure is hinged at A and kept closed by a force P at B. Compute for the Hydrostatic Force acting on the side of the gate AB. (Given: p = -18.46 kPa, OIL SG = 0.8)
The pressure gage in the experimental setup shown below shows a pressure of 100 kPa. Determine the total head, elevation head and pressure head at all points indicated on the figure below. Show all your calculations AND report your results in the table below. (Hint: Y, = 10 A 3 m -Soil B. 3 m D 1.5 m Datum
For the constant head permeability test apparatus shown, cross-sectional area A flow, distance / between stand 78.5 cm² perpendicular to the direction Flow is vertically downwards through the sample. When the pipes = 10.0 cm. head loss h between the two standpipes is 5 cm, the volume of water which flows through the sample is 100 cm³ per minute. (a) What is the hydraulic gradient through the sample? Area A (b) What is your estimate of the coefficient of permeability k in cm/sec? How much (c) The exit point of the water is maneuvered so that the head loss h is increased 10 cm. water (in cm³) will flow through the sample in 2 minutes?
1. Briefly discuss the significance of determining falling head permeability (hydraulic conductivity). 2. Briefly discuss the relationship of Darcy’s law and constant head test.
H k, H, H k, H A layered soil is shown in the figure above. Estimate the equivalent hydraulic conductivity for flow in the vertical direction. Suppose that ki = 5.0 ×10¬4 cm/s, k2 = 4.0 ×10-4 cm/s, k3 = 4.0 ×10-4 cm/s, k4 = 1.0 ×10¬4 cm/s, Н - 2.0 m. H, - 2.0 m. Hз - 2.5 m. На - 2.5 m. (Enter your answer to three significant figures.) kyle) cm/s
Calculate the equivalent hydraulic conductivity for the following soil sample: 1.5 ft Water O: K-2x10* ft/sec O: K=3x10* ft/sec O: K-4x10 ft/sec : K-5x10 ft/sec Water (2) 4 layers@ 0.5 ft thick each 10 ft O 0.00035 ft/sec O 0.00031 ft/sec O 0.00003
Two pumps whose characteristics are given in Sample Prob. 15.13 are to be used in parallel. They must develop a head h = 35 + 20Q2 as in the sample problem. (a) What is the flow rate with both pumps operating at 1800 rpm? (b) The speed of one of the pumps is reduced until it no longer delivers water. At approximately what speed will this happen? Sample Prob. 15.13: The two pumps (n = 1800 rpm) each have the following characteristics: h, ft: 100 90 80 60 40 20 Q, gpm: 0 110 180 250 300 340

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