This SPECIAL ASSIGNMENT comprises of 16 questions, grouped under 4 (four) categories, A, B, C and...

 

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This SPECIAL ASSIGNMENT comprises of 16 questions, grouped under 4 (four) categories, A, B, C and D. You are required to answer SEVEN (7) QUESTIONS in all. Answer 2 Questions Each from Categories A & B Answer ONLY 1 Question from Category C Answer 2 Questions Each from Category D NOTE: For QUESTIONS from Groups A - C, (a) Determine the Active Earth Pressure at i. the surface, ii. interface/interfaces and iii. the base of the cuts. (b) Draw the pressure distribution and (c) Determine the Total Active pressure and its line of Action. NOTE: For QUESTIONS from Groups D, (a) Determine the Total Active Earth pressure against the walls and (b) calculate the factor of Safety against (i) sliding and (iii) overturning. • The unit weight of concrete to be 24.5kNm*³. • The angle friction between the concrete and the foundation soil to be 26° STARTING FROM TUESDAY, 9TH AUGUST, 2022 SUBMIT YOUR SOLUTION TO A QUESTION EACH ON EACH DAY. DEADLINE FOR EACH DAY IS 8pm. 4.0m A 6.5m 2.5m Y=17.5kN/m¹ =35* QUESTION A1 B QUESTION B1 ↑ 2.5m 1.5m 2.5m Y 18kN/m² -30° c=15kN/m² 7=21kN/m' 32° c=10kN/m² B C Layer 1 Layer 2 Y = 19.5kN/m² = 30° c = 5kN/m² Y = 18kN/m³ = 30° y = 17.5kN/m³ =33* Layer 1 Layer 2 ayer 3 5.5m QUESTION AZ 2.5m 4.0m 2.5m QUESTION B2 1.5m T B 2.5m B с D 15 Y = 18kN/m² 21kN/m 6=35" 7-17.5kN/m² -30° 7-18kN/m² 7-21kN/m² -35 Y = 17.5kN/m² 6-30" y=19kN/m² 6-32° 7=21kN/m 6=32" Layer 1 Layer 2 Layer 1 Layer 2 € Layer 3 5.5m QUESTION A3 4.0m 2.5m QUESTION B3 2.5m 13 1.5m 2.5m B C D q=15kN/m² y=19kN/m² -32 c=15kN/m² Y-18kN/m² 6=35" c=15kN/m² y=17.5kN/m² -30° Y-19.5kN/m² -30° y = 18kN/m² -30° Y=17.5kN/m² 6-33 Layer 1 Layer 2 Loyer 1 Layer 2 Layer 3 This SPECIAL ASSIGNMENT comprises of 16 questions, grouped under 4 (four) categories, A, B, C and D. You are required to answer SEVEN (7) QUESTIONS in all. Answer 2 Questions Each from Categories A & B Answer ONLY 1 Question from Category C Answer 2 Questions Each from Category D NOTE: For QUESTIONS from Groups A - C, (a) Determine the Active Earth Pressure at i. the surface, ii. interface/interfaces and iii. the base of the cuts. (b) Draw the pressure distribution and (c) Determine the Total Active pressure and its line of Action. NOTE: For QUESTIONS from Groups D, (a) Determine the Total Active Earth pressure against the walls and (b) calculate the factor of Safety against (i) sliding and (iii) overturning. • The unit weight of concrete to be 24.5kNm*³. • The angle friction between the concrete and the foundation soil to be 26° STARTING FROM TUESDAY, 9TH AUGUST, 2022 SUBMIT YOUR SOLUTION TO A QUESTION EACH ON EACH DAY. DEADLINE FOR EACH DAY IS 8pm. 4.0m A 6.5m 2.5m Y=17.5kN/m¹ =35* QUESTION A1 B QUESTION B1 ↑ 2.5m 1.5m 2.5m Y 18kN/m² -30° c=15kN/m² 7=21kN/m' 32° c=10kN/m² B C Layer 1 Layer 2 Y = 19.5kN/m² = 30° c = 5kN/m² Y = 18kN/m³ = 30° y = 17.5kN/m³ =33* Layer 1 Layer 2 ayer 3 5.5m QUESTION AZ 2.5m 4.0m 2.5m QUESTION B2 1.5m T B 2.5m B с D 15 Y = 18kN/m² 21kN/m 6=35" 7-17.5kN/m² -30° 7-18kN/m² 7-21kN/m² -35 Y = 17.5kN/m² 6-30" y=19kN/m² 6-32° 7=21kN/m 6=32" Layer 1 Layer 2 Layer 1 Layer 2 € Layer 3 5.5m QUESTION A3 4.0m 2.5m QUESTION B3 2.5m 13 1.5m 2.5m B C D q=15kN/m² y=19kN/m² -32 c=15kN/m² Y-18kN/m² 6=35" c=15kN/m² y=17.5kN/m² -30° Y-19.5kN/m² -30° y = 18kN/m² -30° Y=17.5kN/m² 6-33 Layer 1 Layer 2 Loyer 1 Layer 2 Layer 3