Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 14, Problem 14.10P
To determine
Find the passive force
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Refer to the Coulumb Active Earth Pressure. Given alpha = 10 degree; Beta=85 degrees;H - 4m;unit weight of soil = 15 kN/m^3; soil friction angle = 30 degree; and sigma=15 degrees. Estimate the active force, Pa, per unit length of the wall. Also, state the direction and location of the resultant force, Pa.
UPVOTE WILL BE GIVEN. WRITE THE COMOLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION NEEDED. BOX THE FINAL ANSWER.
UPVOTE WILL BE GIVEN. WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION NEEDED. BOX THE FINAL ANSWER.
Chapter 14 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
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- Please solve this problem step by step with clear calculations and solutions so I can understand the concept and theory behind the question. Thank youarrow_forward13.22 Consider the retaining wall shown in Figure 13.38. The height of the wall is 9.75 m, and the unit weight of the sand backfill is 18.7 kN/m². Using Coulomb's equation, calculate the active force, Pq. on the wall for the following values of the angle of wall friction. Also, comment on the direction and location of the resultant. a. 8' = 14° b. 8' = 21° + Sand y = 18.7 kN/m³ c' = 0 d' = 34° e = 12° 8' (wall friction) e = 10° H= 9.75 m Figure 13.38 © Cengage Learning 2014arrow_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
- Question 3: A 4.5 m high wall with groundwater 1.5 m below from the top behind the wall has sandy backfill as shown. The bridge structure in front of the wall (which is not shown on the figure) prevents wall from movements. Calculate: a) the lateral force behind the wall exerted on the wall. b) the distance from the base of the wall to the center of this force. Bridge. 4.5 m 1.5 m y = 17 kN/m³ Ysat = 19 kN/m3 Sand c'= 0 $' = 37°arrow_forwardSomeone can help me with this one pleasearrow_forward12.3 Refer to Figure 12.12a. Given: H = 4 m, y = 16.5 kN/m³, ' = 30°, c' = 0, and B = 85°. Determine the Coulomb's active force per meter length of the wall and the location and direction of the resultant for the following cases: a. a 10° and 8' = 20° b. a = 20° and 8' = 15°arrow_forward
- Please answer 13.13arrow_forwardFor the frictionless wall shown in Figure No 1, Calculate the following: (a) The active lateral earth pressure distribution with depth. (b) The passive lateral earth pressure distribution with depth(c) The magnitudes and locations of the active and passive forces. (d) The resultant force and its location. (e) The ratio of passive moment to active moment. Note: UDL should be considered as mentioned in the figurearrow_forwardQ 11.6arrow_forward
- Determine the lateral earth pressure force on the wall (6.0 m height shown in the figure. Draw the stress distribution and locate the location of the resultant force. Sandy soil kN Ye = 20 O = 36.0°arrow_forwardIf the wall in the figure below has a length d1, height d2, and thickness 0.1 d2, and has a weight density of 20 kN/m3, then the distributed dead load of the wall * :along its length in kN/m is d16.1 d2=5.1 d2 A di В 0.1d2arrow_forwardYou are working for a consulting firm that has been asked to evaluate the factor of safety of the wall shown in the figure supported by a well-degraded sand. The resultant load behind the concrete wall acts at the one third point. Dw 1m 1.5 m 24 kN/m³ y = 20 kN/m³ 26.5 kN/m 24° = 34° n = 0.4 3 m (a) Determine the factor of safety if Dw − D > 1.5B. Ignore the lateral passive resistance due to the soil in front of the wall. (b) Determine the factor of safety if the ground water table rises to 0.5 m below the base of the wall. Discuss the significance of your observations.arrow_forward
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