CIVIL ENGINEERING FORMULAS

234 CHAPTER NINE

(9.87)

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

Pmax(3)20,000t^2 7.40.93 (9.88)

B

B

t

h

t

t

h

B

B

Pmax (3)

Pmax (3)

t = web thickness (each web sheet), mm

h = clear distance between flanges, mm

Maximum Reactions and Concentrated Loads Bearing on Restrained

Web of Light-gage Steel

(Grade C steel, corner radii = thickness of material)

Pmax(2) 100 t^2 3,050 23

B

t

0.09

B

t

h

t

 5

h

t

X X

X

h h

B B

Pmax (2) Pmax (2)

Pmax (1) Pmax (2)

Overall

depth

H

Overall

depth

H

t = web thickness, mm

h = clear distance between flanges, mm

B = length of bearing, mm

H= overall depth, mm

Maximum Interior Reaction or Concentrated Load on Single Unreinforced

Web of Light-gage Steel

(Grade C steel, corner radii = thickness of material)