P1 = 30 kN P2 = 20 kN WI = 12.5 kN/m 7.5 kN/m Wi = 10.5 kN/m 4.5 kN/m WD WD = D A 3 m 2.5 m 8 m 10 m
P1 = 30 kN P2 = 20 kN WI = 12.5 kN/m 7.5 kN/m Wi = 10.5 kN/m 4.5 kN/m WD WD = D A 3 m 2.5 m 8 m 10 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Solve for the reactions on the support in the figure below.
Transcribed Image Text:P1 = 30 kN
P2
= 20 kN
WI = 12.5 kN/m
7.5 kN/m
Wi = 10.5 kN/m
4.5 kN/m
WD
WD =
D
A
3 m
2.5 m
8 m
10 m
Expert Solution
Step 1
we assume a beam of constant flexural rigidity with loadings as given
degree of static indeterminacy = number of support reactions - number of equilibrium equations
Ds = 4 - 2 = 2
thus, we cannot calculate the support reactions only by using equilibrium reactions.
to solve this, we will use Slope deflection equation
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