(d) Consider nail B that connects the bottom flange to the beam web. If the nails used at B can provide 115 lb of horizontal resistance (in the x direction), determine the maximum nail spacing s (in the x direction) that can be used for nail B. Assume V = 730 lb. (e) If a bending moment applied about the z axis produces a tension normal stress of σx = 580 psi at the bottom of the cross section, determine the compression normal stress produced at the top of the cross section.
(d) Consider nail B that connects the bottom flange to the beam web. If the nails used at B can provide 115 lb of horizontal resistance (in the x direction), determine the maximum nail spacing s (in the x direction) that can be used for nail B. Assume V = 730 lb. (e) If a bending moment applied about the z axis produces a tension normal stress of σx = 580 psi at the bottom of the cross section, determine the compression normal stress produced at the top of the cross section.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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(d) Consider nail B that connects the bottom flange to the beam web. If the nails used at B can provide 115 lb of horizontal resistance (in the x direction), determine the maximum nail spacing s (in the x direction) that can be used for nail B. Assume V = 730 lb.
(e) If a bending moment applied about the z axis produces a tension normal stress of σx = 580 psi at the bottom of the cross section, determine the compression normal stress produced at the top of the cross section.
Transcribed Image Text:A wooden beam is fabricated by nailing together three boards as shown. The boards have dimensions of b1 = 11 in., d1= 2.1 in., b2 =
2.1 in., d2 = 10 in., b3 = 6 in., and dg = 2.1 in.
Transcribed Image Text:b1
y
Nail A
di
d2
b2
dz
Nail B
b3
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