Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 16, Problem 16.14P
To determine
Draw the variation of the horizontal earth pressures on the wall.
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QUESTION 4
Compute the hydrostatic force acting on surface ABC exerted by water. Given
wall width as 2 m.
Figure 2
1.5 m
2 m
2.5 m
Consider a retaining wall supporting a fill-soil as shown in the figure. The wall is moving from right to left.
q=15kN.m2
0.5m
Yconcrete=24kN.m
Y1=16KN.m
01=32°
Cz=0
3.5m
P1
n=16KN.m
P2
01=32°
0.5m
C==0
[0.5m.
1m
1m
1m
(a) Compute the active force P, and on the wall and its location.
(b) Compute the passive force P2 on the wall.
(c) Analyze the factor of safety against sliding.
The wall thickness is
10 mm. Determine the second moments of
area T., and with respect to centroidal
x' and y' axes. In addition, determine the radii
of gyration K., K., and K.
100 mm
-200 mm
-200 mm
100 mm
100 mm
100 mm
X
Chapter 16 Solutions
Principles of Foundation Engineering (MindTap Course List)
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- -2 ft 10 kip 4 in. B B 1.5 ft-- 4 in. 6 in. ● 4 kip 0.5 ft 2 ft- - Change the magnitude of 10 kip to 7.9 kip - Change the outer width of the cross section from 6 in to 8 in - Keep the wall thickness 1 in (example, instead of 4 inches, the inner width of the cross section is equal to the outer width minus 2 inches). - Determine the maximum in-plane shear stress in the box beam at point A. Show the results on an element located at this point - Determine the principal stresses in the box beam at point B. Show the results on an element located at this pointarrow_forward3m R=1.2m 4m R=1.2m Find the length of given figure above All dimensions Are c/c Wall thickness=0.4m Solve by Centerline method and Long wall- Short wall Methodarrow_forwardA 3.5m x 3.5m square plate was immersed in water such that two of its edges were vertical. In order for the center of pressure to be 80 mm from the center of gravity. a. How far below the water surface is the upper edge of the said plate? b. What is the distance of the center of the pressure from the free water surface? c. Determine the Hydrostatic force in kN acting on the plate.arrow_forward
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- A In the figure below determine the elevation of point A and point B if: - The reading at point A = 1.25 m. -The reading inversely at the right side of the wall=2.75 m. -The reading at point B=1.65 m. -Top elevation of the wall= 53 m. -The reading inversely at left side of the wall-2.1m. Station 1 11 Station2 Barrow_forwardQ2:Calculate the value and direction and position of effect of hydrostatic force affected on the vertical wall as shown in figure bellow. Width of the wall L to the paper ,B is 3 (m). Draw the pressure distribution diagram on the wall. W.L H=10m H2=6marrow_forwardb ... oil d water A vertical rectangular plate is submerged half in oil (SG = 0.83) and half in water as shown. Determine the ratio of force exerted by water to that of oil. A 3.25 B) 3.21 C) No answer among the choices D) 3.29 E) 3.16arrow_forward
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