13.1 Figure 13.9 shows a retaining wall that is restrained from yielding. Determine the magnitude of the lateral earth force per unit length of the wall. Also, state the location of the resultant, z, measured from the bottom of the wall. If H = 7m, Ø' = 38°,y = 17 kN/m³,0CR = 2.5 %3D Unit weight = y (or density = p) H c' =0 8' (angle of wall friction) = 0 Figure 13.9 Ans. P, = 281.55 N, Z= 2.33m %3D

13.1 Figure 13.9 shows a retaining wall that is restrained from yielding. Determine the magnitude of the lateral earth force per unit length of the wall. Also, state the location of the resultant, z, measured from the bottom of the wall. If H = 7m, Ø' = 38°,y = 17 kN/m³,0CR = 2.5 %3D Unit weight = y (or density = p) H c' =0 8' (angle of wall friction) = 0 Figure 13.9 Ans. P, = 281.55 N, Z= 2.33m %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 14.4P

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IM No.: IM-C 12.1 Given: H = 12 ft, q = 0, y = 108 lb/ft', c' = (0, and o' 30°. Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2. 12.2 Use the following values to determine the at-rest lat- eral earth force per unit length of the wall. Also find the location of the resultant. H = 5 m, H, = 2 m, H, = 3 m, y = 15.5 kN/m', y = 18.5 kN/m', ' = 34°, c' = 0, q = 20 kN/m², and OCR = 1. 12.3 Given the height of the retaining wall, H is 18 ft; the backfill is a saturated clay with o = 0°, c = 500 lb/ft,y = 120 Ib/ft", a. Determine the Rankine active pressure distribution diagram behind the wall. b. Determine the depth of the tensile crack, z.. c. Estimate the Rankine active force per foot length of the wall before and after the occurrence of the tensile crack. 12.4 A vertical retaining wall is 7 m high with a horizontal backfill. For the backfill, assume that y = 16.5 kN/m', ' = 26°, and c' = 18 kN/m2.…
1- Figure below shows a retaining wall. Determine the magnitude of the lateral earth force per unit length for the following conditions: 1) At-rest force 2) Active force Also, find the location of the resultant, 7, measured from the bottom of the wall. H (ft) y (lb/ft') 15 19 120 Sand Unit weight = y (or density = p) %3D H c' = 0 8' (angle of wall friction) = 0
13.1 Figure 13.9 shows a retaining wall that is restrained from yielding. Determine the magnitude of the lateral earth force per unit length of the wall. Also, state the location of the resultant, z, measured from the bottom of the wall. If H = 7m, Ø' = 38°,y = 17 kN/m³,0CR = 2.5 Unit weight = y (or density = c' = 0 8' (angle of wall friction) = 0 Figure 13.9 Ans. P. kN 281.55 Z = 2.33m m.
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