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 Horizontal bar:
Design for horizontal component of forces in
diagonals. In this case, use 0.707 x required area
of diagonal bar.
Required area of horizontal bar = 0.707 x 0.70
= 0.49 in2
Use No. 7 bars with area = 0.60 in2
8.
NOTATION
a
-
Length of plate, in
A
-
Area of section, in2
Aw
-
Area of web, in2
b
-
Width of section, in
-
Height of plate, in
be
-
Effective width of plate, in
B
-
Pressure intensity, psi
c
-
Dynamic increase factor
d
-
Depth of section, in
D
-
Flexural rigidity of plate, lb-in
DLF
-
Dynamic load factor
e
-
Eccentricity
Fdy
-
Dynamic yield stress of steel, ksi
Fdv
-
Dynamic yield stress in shear, ksi
Fy
-
Static yield stress of steel, psi
g
-
Acceleration due to gravity, ft/s2
H
-
Height of plate, in
I
-
Moment of inertia, in4/in
KE
-
Equivalent elastic stiffness, lb/in2
KLM
-
Load-mass factor
L
-
Length of plate, in
2.08-294
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