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MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 1 term (6 months)
9th Edition
ISBN: 9781305971226
Author: Braja M. Das; Khaled Sobhan
Publisher: Cengage Learning US
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Question
Chapter 13, Problem 13.7P
To determine
The total force per (P) unit length of the wall due to the strip loading.
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12.6 Refer to Figure 12.10. For the retaining wall, H = 8 m, ' = 36°, a = 10⁰,
y = 17 kN/m³, and c' = 0.
a. Determine the intensity of the Rankine active force at z = 2 m, 4 m, and 6 m.
b. Determine the Rankine active force per meter length of the wall and also the
location and direction of the resultant.
11.7 A retaining wall is shown in Figure 11.22. Determine the Rankine active force, Pa, 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, y, = 105 lb/ft, y=
b. H = 20 ft, H, = 6 ft, y, = 110 lb/ft, y = 126 lb/ft', oi = 34°, d; = 34°, q = 300 lb/ft
122 Ib/ft', i = 30°, = 30°, q = 0
6 Cengage Learning. All Riphts Reserved. May not be copied, scanned, or duplicated, in whole or in part Due to elsctronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
s deemed that any suppressed content does nol maierially affect the overall learning exnerience Ceneaec ernin neerves the right to mrmove additional.contant
A 3.1 m high vertical retaining wall is shown.
a. What is the effective vertical stress acting at the base of the wall?
b. What is the total active force acting on the wall?
c. What is the total active moment on the wall?
Please answer this asap. For upvote. Thank you very much
Chapter 13 Solutions
MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 1 term (6 months)
Ch. 13 - Prob. 13.1PCh. 13 - Prob. 13.2PCh. 13 - Prob. 13.3PCh. 13 - Prob. 13.4PCh. 13 - Prob. 13.5PCh. 13 - Prob. 13.6PCh. 13 - Prob. 13.7PCh. 13 - Prob. 13.8PCh. 13 - Prob. 13.9PCh. 13 - Prob. 13.10P
Ch. 13 - Prob. 13.11PCh. 13 - Prob. 13.12PCh. 13 - Prob. 13.13PCh. 13 - Prob. 13.14PCh. 13 - Prob. 13.15PCh. 13 - Prob. 13.16PCh. 13 - Prob. 13.17PCh. 13 - Prob. 13.18PCh. 13 - Prob. 13.19PCh. 13 - Prob. 13.20PCh. 13 - Prob. 13.21PCh. 13 - Prob. 13.22PCh. 13 - Prob. 13.23PCh. 13 - Prob. 13.24PCh. 13 - Prob. 13.25PCh. 13 - Prob. 13.26PCh. 13 - Prob. 13.27PCh. 13 - Prob. 13.1CTP
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- For the given retaining wall as shown, determine the following: Note: The water table for the given soil profile is located at an H1 depth below the top of the wall. 9, = 20 kPa H = 2 m Ysat = 19 kN/m? O' = 25° H2 = 4 m Ysat = 20 kN/m? O' = 30° a) The total active force on the wall in kN. b) The total active moment at the bottom of the wall in kN-m. c) The required passive force to maintain equilibrium in kN. d) The theoretical passive force in kN. e) The total theoretical passive moment at the bottom of the wall in kN-m.arrow_forwardThe 5-m high retaining wall in Figure 13.40c is subjected to a surcharge strip load of q 5 105 kN/m2 on the ground surface. Determine the total force per unit length of the wall due to the strip loading only.arrow_forwardvertical retaining wall 6 m high is supporting a horizontal backfill of soil having a void ratio of 0.5 and specific gravity of 2.7. Angle of internal friction is 32 degrees. 1. Compute the rankine force active on the wall if there is no water. 2. Compute the rankine active force on the wall if the water is on top of the horizontal backfill level. 3. Compute the rankine active force on the wall if the water table is at the bottom of the wall and the water content is 10%arrow_forward
- 3. Rankine Theory: An 14-ft-high cantilever retaining wall is backfilled with a soil that has a Y = 103 pcf, Ysat = 127 pcf, o'=28" and c' = 0. (a) If water ponds at mid-height behind the wall, calculate the Rankine active force per unit length of wall and (b) Estimate the location of the lateral thrust measured from the bottom of the wall. (Problem 13.13, Das and Sobhan, 2014).arrow_forward3. Draw the pressure diagram of the retaining wall with the soil profile shown both in active and passive cases. Solve for the active and passive lateral force and its location from the bottom of the wall. 4.5 KPa Gs = 2.73 e = 0.67 Ø = 27° C =0 KPa %3D 4m Gs = 2.66 %3D e = 0.85 Ø = 34° C = 5 KPa 6marrow_forward13.22 Consider the retaining wall shown in Figure 13.38. The height of the wall is 9.75m. and the unit weight of the sand backfill is 18.7kN/m3. Using Coulomb's equation, calculate the active force, Pa, on the wall for the following values of the angle of wall friction. Also, comment on the direction and location of the resultant.arrow_forward
- Q.3. A retaining wall is shown in Figure 2. Determine Rankine’s active force, Pa, per unit length of the wall. Also determine the location of the resultant.arrow_forwardis 7 m high with a horizontal backfill. For 12.4 A vertical retaining wall the backfill, assume that y = 16.5 kN/m', ' 26°, and c' = 18 kN/m2. Determine the Rankine active force per unit length of the wall after the occurrence of the tensile crack. For the retaining wall, determine the Rankine active force per unit length of the wall and the location of the line of action of the 12.5 resultant. 12.6 For the retaining wall, H = 8 m, h' = 36°, a = 10°, y = 17 kN/m', and e' = 0. a. Determine the intensity of the Rankine active force at z 2 m, 4 m, and 6 m. b. Determine the Rankine active force per meter length of the wall and also the location and direction of the resultant. 12.7 Given: H = 7 m, y = 18 kN/m', ' = 25°, c' = 12 kN/m2, and a = 10°. Calculate the Rankine active force per unit length of the wall after the occurrence of the tensile crack. YI H Groundwater table H Figure P12.2arrow_forwardQ2 A smooth backed wall is 6m height and retain a soil with the properties shown in the Figure below. If the soil surface carries a uniform distribution pressure of 50 kN/m*. Determine the total Rankine active stresses on the wall and its positions. q-50 kN/m? Sand y= 20 kN/m Ø' = 20°arrow_forward
- A 6m retaining wall is supporting a soil with the following properties:Unit weight = 16 KN/cu.mAngle of internal friction = 25ºCohesion = 14 Kpaa. Assuming no tensile cracks occurs in the soil; determine its normal pressure acting at the back of the wall.b. If tensile crack occurs in the soil, calculate its active pressure acting on the wall.c. Find the location of tensile crack measured from the surface of horizontal backfill.arrow_forwardA 6m vertical retaining wall is supporting a cohesion less horizontal back fill having a unit weight of 16kN/m3 and an angle off riction of 32 degrees. It carries a uniforms urcharge of15kN/m3. a)Determine the at rest lateral force per unit length of wall. b) Determine the Rankines active force per unit length of wall. c)Determine the Rankines passive force per unit length of wall.arrow_forwardProblem 3: A vertical retaining wall 6 m high is supporting a horizontal backfill having a weight 16.5 kN/m and a saturated unit weight of 19 kN/m?. Angle of trictian of the backfill is 30. Ground water table is located 3 m below the ground surface. 1. Determine the at rest lateral earth force per meter length of the wall. 3.0 m 2. Determine the location of the resultant force. 3. Determine the at rest lateral earth force per meter length af the wall if it carries a surcharge of 50 kPa. 3.0 marrow_forward
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