128. The figure shows a roof truss and the detail of the riveted connection at joint B. Using allowable stresses of Ss=70MN/m² and Sb=140MN/m², how many 19mm diameter rivets are required to fasten member BC to the gusset plate? Member BE?

128. The figure shows a roof truss and the detail of the riveted connection at joint B. Using allowable stresses of Ss=70MN/m² and Sb=140MN/m², how many 19mm diameter rivets are required to fasten member BC to the gusset plate? Member BE?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.5.14P: A steel post /t if with a hollow circular cross section is fixed at the base and free at the top...

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Question

BEARING STRESS
128. The figure shows a roof truss and the detail of
the riveted connection at joint B. Using allowable
stresses of Ss=70MN/m² and Sb=140MN/m², how
many 19mm diameter rivets are required to fasten
member BC to the gusset plate? Member BE?
4m
B
C
96 KN
4 m
E
D
6 m
200 KN
4 m
F
G
96 KN
4m
H
Pac
14 mm
gusset
plate
PRE
75 x 75 x 13 mm
75 x 75 x 6 mm

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