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Posted: **Mon May 16, 2022 12:27 pm**

: Question 9 A Concrete Retaining Wall Is 10 Ft In Height And 3 Ft In Thickness The Soil Behind The Retaining Is Sandy Gr 1 (18.87 KiB) Viewed 44 times

: Question 9 A Concrete Retaining Wall Is 10 Ft In Height And 3 Ft In Thickness The Soil Behind The Retaining Is Sandy Gr 2 (74.88 KiB) Viewed 44 times

: Question 9 A Concrete Retaining Wall Is 10 Ft In Height And 3 Ft In Thickness The Soil Behind The Retaining Is Sandy Gr 3 (3.93 KiB) Viewed 44 times

QUESTION 9 A concrete retaining wall is 10 ft in height and 3 ft in thickness. The soil behind the retaining is sandy gravel with a dry unit weight of 115 pcf and an angle of internal friction of 30°. There is ground water within the range of the retaining wall. What is the total active soil force Fa? (hint: summation of active earth pressure)
T = 3 ft H=10ft -Fa
A pa
O A.3.3 kips O B.2.6 kips O C. 1.9 kips O D. 1.5 kips