A simply supported beam is shown below. There is a mass (m) of 800 lb placed at midspan m L=30' e midspan displacement can be found by: 4= PL³ 48EI E=29,000 ksi I= 1000 in
A simply supported beam is shown below. There is a mass (m) of 800 lb placed at midspan m L=30' e midspan displacement can be found by: 4= PL³ 48EI E=29,000 ksi I= 1000 in
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1.) A simply supported beam is shown below. There is a mass (m) of 800 lb placed at midspan
m
L=30'
The midspan displacement can be found by:
00
A=
PL³
48EI
E=29,000 ksi
I= 1000 in
Find: a) Natural Period of vibration
b) Write the dynamic displacement equation, assuming x(0)=1 in and v(0)=2 in/sec
c) Find the maximum dynamic displacement
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