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2. (22 points), Solve Problem 15.4 from your textbook using Rankine. When calculating F.S. for overturning, ignore the contribution of Pp. When calculating F.S. for sliding include Pp in your calculations, but decrease the effective friction angle and effective cohesion so that c'used=(2/3)C'sc and phi'used (2/3)phi' 3. (20 points) Using Coulomb's active pressure, recalculate the factors of safety with respect to overturning and sliding for problem 15.4. Assume 8' = 2/3 '1. In both analyses ignore the contribution of Pp. When calculating F.S. for sliding, decrease the effective friction angle and effective cohesion by 1/3. 15.4 Determine the factor of safety of the retaining wall shown in Figure 15.46 with respect to overturning, cenreader.com/#!/reader/5cf1f4a4-33d7-4aec-a... 3-b08a085921fe/page/f705c4258c3986a309306225f08be734 sliding, and bearing capacity failure. The unit weight of concrete is 24.0 kN/m³. Fig. 15.46 10° 5.0 m Sand y= 18.0 kN/m³ '34° c' = 0 1.0 m 4. 0.5 m 1.5 m 2.0 m Clay Y 19.0 kN/m³ ' = 24° c' = 10 kN/m² +

2. (22 points), Solve Problem 15.4 from your textbook using Rankine. When calculating F.S. for overturning, ignore the contribution of Pp. When calculating F.S. for sliding include Pp in your calculations, but decrease the effective friction angle and effective cohesion so that c'used=(2/3)C'sc and phi'used (2/3)phi' 3. (20 points) Using Coulomb's active pressure, recalculate the factors of safety with respect to overturning and sliding for problem 15.4. Assume 8' = 2/3 '1. In both analyses ignore the contribution of Pp. When calculating F.S. for sliding, decrease the effective friction angle and effective cohesion by 1/3. 15.4 Determine the factor of safety of the retaining wall shown in Figure 15.46 with respect to overturning, cenreader.com/#!/reader/5cf1f4a4-33d7-4aec-a... 3-b08a085921fe/page/f705c4258c3986a309306225f08be734 sliding, and bearing capacity failure. The unit weight of concrete is 24.0 kN/m³. Fig. 15.46 10° 5.0 m Sand y= 18.0 kN/m³ '34° c' = 0 1.0 m 4. 0.5 m 1.5 m 2.0 m Clay Y 19.0 kN/m³ ' = 24° c' = 10 kN/m² +

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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2. (22 points), Solve Problem 15.4 from your textbook using Rankine. When calculating F.S. for overturning, ignore the contribution of Pp. When calculating F.S. for sliding include Pp in your calculations, but decrease the effective friction angle and effective cohesion so that c'used=(2/3)C'sc and phi'used (2/3)phi' 3. (20 points) Using Coulomb's active pressure, recalculate the factors of safety with respect to overturning and sliding for problem 15.4. Assume 8' = 2/3 '1. In both analyses ignore the contribution of Pp. When calculating F.S. for sliding, decrease the effective friction angle and effective cohesion by 1/3.
Transcribed Image Text:2. (22 points), Solve Problem 15.4 from your textbook using Rankine. When calculating F.S. for overturning, ignore the contribution of Pp. When calculating F.S. for sliding include Pp in your calculations, but decrease the effective friction angle and effective cohesion so that c'used=(2/3)C'sc and phi'used (2/3)phi' 3. (20 points) Using Coulomb's active pressure, recalculate the factors of safety with respect to overturning and sliding for problem 15.4. Assume 8' = 2/3 '1. In both analyses ignore the contribution of Pp. When calculating F.S. for sliding, decrease the effective friction angle and effective cohesion by 1/3.
15.4 Determine the factor of safety of the retaining wall shown in Figure 15.46 with respect to overturning, cenreader.com/#!/reader/5cf1f4a4-33d7-4aec-a... 3-b08a085921fe/page/f705c4258c3986a309306225f08be734 sliding, and bearing capacity failure. The unit weight of concrete is 24.0 kN/m³. Fig. 15.46 10° 5.0 m Sand y= 18.0 kN/m³ '34° c' = 0 1.0 m 4. 0.5 m 1.5 m 2.0 m Clay Y 19.0 kN/m³ ' = 24° c' = 10 kN/m² +
Transcribed Image Text:15.4 Determine the factor of safety of the retaining wall shown in Figure 15.46 with respect to overturning, cenreader.com/#!/reader/5cf1f4a4-33d7-4aec-a... 3-b08a085921fe/page/f705c4258c3986a309306225f08be734 sliding, and bearing capacity failure. The unit weight of concrete is 24.0 kN/m³. Fig. 15.46 10° 5.0 m Sand y= 18.0 kN/m³ '34° c' = 0 1.0 m 4. 0.5 m 1.5 m 2.0 m Clay Y 19.0 kN/m³ ' = 24° c' = 10 kN/m² +
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