3 – A railroad is traversing parallel to a 20 ft high retaining wall as shown in the figure below. This railroad load can be considered a strip load and you are tasked to find the lateral pressure on the 20ft high wall due to this surcharge and the location (z) of that force. a) Calculate the total horizontal force per unit length (P)
3 – A railroad is traversing parallel to a 20 ft high retaining wall as shown in the figure below. This railroad load can be considered a strip load and you are tasked to find the lateral pressure on the 20ft high wall due to this surcharge and the location (z) of that force. a) Calculate the total horizontal force per unit length (P)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:3 – A railroad is traversing parallel to a 20 ft high retaining wall as
shown in the figure below. This railroad load can be considered a
strip load and you are tasked to find the lateral pressure on the 20ft
high wall due to this surcharge and the location (z) of that force.
a) Calculate the total horizontal force per unit length (P)
b) Calculate the location (z) of that force
1880 psf
8'
6'
SAND
d² 30°
Y= 125pcf
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