Situation 11 - Given the following data for the wall shown in the Figure. Dimensions: a = 0.3 m b = 0.60 m c = 0.60 m Unit weight of soil = 17 kN/m³. Unit weight of concrete = 24 kN/m³ Active earth pressure coefficient = 1/3 Coefficient of friction at the base = 0.40 Consider 1 meter length of wall perpendicular to the paper. d = 3.5 m e = 5 m, H = 5.5 m 31. What value of total vertical reaction (kN) is needed to have a factor of safety against sliding of 1.5? Use µ = 0.4. A. 205.7 B. 389.5 32. What value of total righting moment (kN-m) is needed to have a factor of safety against overturning of 2.0? A. 351.2 H C. 314.3 D. 295.8 B. 332.8 33. Compute the maximum moment (kN-m) on the stem of the wall. A. 118.1 C. 111.1 B. 131.9 D. 125 e C. 258.6 D. 321.4 d a b Construction eering C
Situation 11 - Given the following data for the wall shown in the Figure. Dimensions: a = 0.3 m b = 0.60 m c = 0.60 m Unit weight of soil = 17 kN/m³. Unit weight of concrete = 24 kN/m³ Active earth pressure coefficient = 1/3 Coefficient of friction at the base = 0.40 Consider 1 meter length of wall perpendicular to the paper. d = 3.5 m e = 5 m, H = 5.5 m 31. What value of total vertical reaction (kN) is needed to have a factor of safety against sliding of 1.5? Use µ = 0.4. A. 205.7 B. 389.5 32. What value of total righting moment (kN-m) is needed to have a factor of safety against overturning of 2.0? A. 351.2 H C. 314.3 D. 295.8 B. 332.8 33. Compute the maximum moment (kN-m) on the stem of the wall. A. 118.1 C. 111.1 B. 131.9 D. 125 e C. 258.6 D. 321.4 d a b Construction eering C
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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13. Provide a detailed step by step solution.
Transcribed Image Text:Situation 11 - Given the following data for the wall shown in the Figure.
Dimensions:
a = 0.3 m
b = 0.60 m
c = 0.60 m
Unit weight of soil = 17 kN/m³.
Unit weight of concrete = 24 kN/m³
Active earth pressure coefficient = 1/3
Coefficient of friction at the base = 0.40
Consider 1 meter length of wall perpendicular to the paper.
d = 3.5 m
e = 5 m,
H = 5.5 m
31. What value of total vertical reaction (kN) is needed to have a factor of safety
against sliding of 1.5? Use µ = 0.4.
A. 205.7
B. 389.5
32. What value of total righting moment (kN-m) is needed to have a factor of safety
against overturning of 2.0?
A. 351.2
H
C. 314.3
D. 295.8
B. 332.8
33. Compute the maximum moment (kN-m) on the stem of the wall.
A. 118.1
C. 111.1
B. 131.9
D. 125
e
C. 258.6
D. 321.4
d
a
b
Construction
eering
C
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