Answered: Саp plate Flange plate y= 1 in.) Pin…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The upper deck of a football stadium is supported
by braces, each of which transfers a load P = 160 kips to
the base of a column (see figure part a). A cap plate at
the bottom of the brace distributes the load P to four
flange plates (t_f =1 in.) through a pin (d_p = 2 in.) to
two gusset plates (t_g =1.5 in.) (see figure parts b and c).

Determine the following quantities.
(a) The average shear stress τ_aver in the pin.
(b) The average bearing stress between the flange
plates and the pin (σ_bf ), and also between the
gusset plates and the pin (σ_bg ).
Disregard friction between the plates.

Саp plate
Flange plate
y= 1 in.)
Pin (d, = 2 in.)
Gusset plate
= 1.5 in.)
(b) Detail at bottom of brace
P = 160 k
Саp plate
- Pin (d, = 2 in.)
Flange plate
y=1 in.)
Gusset plate
(= 1.5 in.)
P/2
P/2
(a) Stadium brace
(c) Soction through bottom of brace
PROBLEM 1.8-3
oipoog kurg
OBany Goodh0

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