EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
9th Edition
ISBN: 8220103611718
Author: SOBHAN
Publisher: CENGAGE L
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Chapter 8, Problem 8.4P
To determine
Draw the flow net for flow through the permeable layer and calculate the seepage loss in m3/day/m.
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Find the length of the diagonal on
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square of sides).
Find angle between the vector F
and its projection on x-z (the
diagonal defined above).
Find Horizontal Projection of F on
x-z plane, Fh, and vertical
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Show that results match those of
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(2,0,4)
F₂
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For the control system Draw Nyquist Plot with
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G(S)= 63.625 (S+1)(S+3)
S(S+2)(5+65+18) (5+5)
Q3:
Find the support reactions at A:
y
mm
A
P=last 2 student's ID#+100 (N)
124N
last 3 student's ID# (mm)
724mm
20 mm
D
B
C
X
last 3 student's ID#+20 mm
744mm
40 mm
60 mm
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- You are the engineer asked to design a rapid sand filtration system for a small water treatment plant. It has the following characteristics: Hydraulic loading rate = 6 m/h Total volumetric flow rate of the plant = 3 MGD Effective filtration rate = 5.8 m/h Production efficiency = 97% Complete (filtration, rinsing, and backwashing) filter cycle duration = 48 h What is the area of your square filtration system? What are the surface dimensions of the filter? What volume of water is needed for backwashing plus rinsing the filter in each rinsing cycle?arrow_forwardFive wood boards are bolted together to form the built-up beam shown in the figure. The beam is subjected to a shear force of V = 14 kips. Each bolt has a shear strength of V bolt = 6 kips. [h₁ = 4 in., t₁ = 0.75 in., h₂ = 6.5 in., t₂ = 1.25 in.] h/2 + hi/2 h:/2 h: 2 hi + hiz Determine the moment of inertia of the section. Calculate the shear force in each bolt. Calculate the shear stress in the bolts.arrow_forwardA box beam is fabricated from two plywood webs that are secured to lumber boards at its top and bottom flanges. The beam supports a concentrated load of P = 4100 lb at the center of a 13-ft span. Bolts (3/8-in. diameter) connect the plywood webs and the lumber flanges at a spacing of s = 9 in. along the span. Supports A and C can be idealized as a pin and a roller, respectively. [w = 4.5 in., b = 0.25 in., t = 5 in., h = 17 in.] B Determine the maximum horizontal shear stress in the plywood webs. Determine the average shear stress in the bolts. Determine the maximum bending stress in the lumber flanges.arrow_forward
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