11.7 A retaining wall is shown in Figure 11.22. Determine the Rankine active force, P, per unit length of the wall and the location of the resultant for each of the following cases: a. H = 12 ft, H = 4 ft, y1 = 105 lb/ft', y2 = b. H = 20 ft, H, = 6 ft, y, = 110 lb/ft', 122 Ib/ft', oi = 30°, bi = 30°, q = 0 126 Ib/ft', of = 34°, $ = 34°, q = 300 lb/ft %3= Y2 = %3D

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter14: Lateral Earth Pressure
Section: Chapter Questions
Problem 14.13P
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Q 11.7
Surcharge q
Sand
Yı,
c1=0
Groundwater table
H.
Sand
Y2 (saturated unit weight), d2, c2-0
Frictionless
wall
Figure 11.22
ihe Pankine nassive force, P per unit length of the wal
Transcribed Image Text:Surcharge q Sand Yı, c1=0 Groundwater table H. Sand Y2 (saturated unit weight), d2, c2-0 Frictionless wall Figure 11.22 ihe Pankine nassive force, P per unit length of the wal
states.
11.6 A 4-m-high smooth vertical wall retains a granular backfill with y = 18.0 kN/m and ' =
33°, Using Rankine's earth pressure coefficients, determine the active force per unit length
P for the following cases.
a. Horizontal backfill
b. Inclined backfill with a =
10°
c. Inclined backfill with a =
20°
11.7 A retaining wall is shown in Figure 11.22. Determine the Rankine active force, P, per unit
length of the wall and the location of the resultant for each of the following cases:
105 lb/ft,
a. H = 12 ft, H =4 ft, yı
b. H= 20 ft, H, = 6 ft, y,
Y2 =
110 lb/ft', y2 =
122 Ib/ft', oi = 30°, b = 30°, q = 0
126 Ib/ft, of = 34°, = 34°, q = 300 lb/ft?
ng. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
ysuppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
63°F Cloudy
Transcribed Image Text:states. 11.6 A 4-m-high smooth vertical wall retains a granular backfill with y = 18.0 kN/m and ' = 33°, Using Rankine's earth pressure coefficients, determine the active force per unit length P for the following cases. a. Horizontal backfill b. Inclined backfill with a = 10° c. Inclined backfill with a = 20° 11.7 A retaining wall is shown in Figure 11.22. Determine the Rankine active force, P, per unit length of the wall and the location of the resultant for each of the following cases: 105 lb/ft, a. H = 12 ft, H =4 ft, yı b. H= 20 ft, H, = 6 ft, y, Y2 = 110 lb/ft', y2 = 122 Ib/ft', oi = 30°, b = 30°, q = 0 126 Ib/ft, of = 34°, = 34°, q = 300 lb/ft? ng. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). ysuppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. 63°F Cloudy
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