Page 300 - Civil Engineering Formulas

234 CHAPTER NINE

Maximum Interior Reaction or Concentrated Load on Single Unreinforced
Web of Light-gage Steel
(Grade C steel, corner radii = thickness of material)
Pmax (2) Pmax (2)
X X
B B
Overall
depth h Overall
h
H depth
X H
Pmax (1)
Pmax (2)
t = web thickness, mm
h = clear distance between flanges, mm
B = length of bearing, mm
H = overall depth, mm

B B h h
2
Pmax(2) 100t 3,050 23 t 0.09 t t 5 t (9.87)

NOTE: In solving this formula, B should not be assigned any value greater
than h.
This formula applies only where the distance x is greater than 1.5h. Other-
wise, Eq. (9.86) governs.

Maximum Reactions and Concentrated Loads Bearing on Restrained
Web of Light-gage Steel
(Grade C steel, corner radii = thickness of material)
Pmax (3)
B
t
h
h
B t

Pmax (3)
t = web thickness (each web sheet), mm
h = clear distance between flanges, mm

B
2
Pmax(3) 20,000t 7.4 0.93 (9.88)
B t