Reference Guide
5-6 Equation Reference
Example:
Given:
L=20_ft, E=29000000_psi, I=40_in^4, a=10_ft, P=674.427_lbf, c=17_ft, M=3687.81_ft
∗
lbf,
w=102.783_lbf/ft, x=9_ft.
Solution:
Θ
= -0.0876_°.
Simple Moment (1, 5)
Equation:
Mx
P L a–( ) x⋅ ⋅
L
--------------------------------
M x⋅
L
------------
w x⋅
2
-----------
+ L x–( )⋅+=
Example:
Given:
L=20_ft, a=10_ft, P=674.427_lbf, c=17_ft, M=3687.81_ft
∗
lbf, w=102.783_lbf / ft, x=9_ft.
Solution:
Mx=9782.1945_ft
∗
lbf
Simple Shear (1, 6)
Equation:
V
P L a–( )⋅
L
-------------------------
M
L
-----
w
2
----
+ L 2– x⋅( )⋅+=
Example:
Given:
L=20_ft, a=10_ft, P=674.427_lbf, M=3687.81_ft
∗
lbf, w=102.783_lbf/ft, x=9_ft.
Solution:
V=624.387_lbf.