RA PROBLEM 4:Dam as ABC as shown in the figure is20m wide and made of concreteweighing 22 kN/m. Compute for themoment cause by the hydrostatic forceon plane AB about C.AH2040mB30ma. 5.1 x 105 kN.mb. 4.2 x 105 kN.mc. 3.7 x 105 kN.md. 2.6 x 105 kN.mPROBLEM 5:Estimate the ratio of the horizontal tothe vertical permeability of these fourstrata.ki = 103 cm/sk2 = 2 x 104 cm/sk3 = 105 cm/sk4 = 2 x 10-3 cm/sh1 = 3h2 = 3h3 = 3h4 = 3a. 19.8C. 24.1b. 21.4d. 13.6

Here, use the concept of center of pressure.

PROBLEM 5: Estimate the ratio of the horizontal to the vertical permeability of these four strata. ki = 10-3 cm/s k2 = 2 x 104 cm/s k3 = 105 cm/s k4 = 2 x 10-3 cm/s hi = 3 h2 = 3 h3 = 3 h4 = 3 a. 19.8 C. 24.1 b. 21.4 d. 13.6

PROBLEM 5: Estimate the ratio of the horizontal to the vertical permeability of these four strata. ki = 10-3 cm/s k2 = 2 x 104 cm/s k3 = 105 cm/s k4 = 2 x 10-3 cm/s hi = 3 h2 = 3 h3 = 3 h4 = 3 a. 19.8 C. 24.1 b. 21.4 d. 13.6

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter7: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 7.2P: A planned flexible load area (see Figure P7.2) is to be 3 m × 4.6 m and carries a uniformly...

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Question

PROBLEM 4:
Dam as ABC as shown in the figure is
20m wide and made of concrete
weighing 22 kN/m. Compute for the
moment cause by the hydrostatic force
on plane AB about C.
A
H20
40m
B
30m
a. 5.1 x 105 kN.m
b. 4.2 x 105 kN.m
c. 3.7 x 105 kN.m
d. 2.6 x 105 kN.m
PROBLEM 5:
Estimate the ratio of the horizontal to
the vertical permeability of these four
strata.
ki = 103 cm/s
k2 = 2 x 104 cm/s
k3 = 105 cm/s
k4 = 2 x 10-3 cm/s
h1 = 3
h2 = 3
h3 = 3
h4 = 3
a. 19.8
C. 24.1
b. 21.4
d. 13.6

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