1.45 The figure shows a roof truss and the detail of the connection at joint B. Members BC and BE are angle sections with the thicknesses shown in the figure. The working stresses are 70 MPa for shear in the rivets and 140 MPa for bearing stress due to the rivets. How many 19-mm-diameter rivets are required to fasten the fol- lowing members to the gusset plate: (a) BC, and (b) BE?

Elements Of Electromagnetics
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ISBN:9780190698614
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1.45 The figure shows a roof truss and the detail of the connection at joint B.
Members BC and BE are angle sections with the thicknesses shown in the figure. The
working stresses are 70 MPa for shear in the rivets and 140 MPa for bearing stress
due to the rivets. How many 19-mm-diameter rivets are required to fasten the fol-
lowing members to the gusset plate: (a) BC; and (b) BE?
1.46 Repeat Prob. 1.45 if the rivet diameter is 22 mm, with all other data remain-
ing unchanged.
-14-mm-thick
gusset plate
6 m
4m
G
4m
4m
4 m
96 kN 200 kN 96 kN
FIG. P1.45, P1.46
PBC
6-mm-thick
angle
-13-mm-thick
angle
Transcribed Image Text:1.45 The figure shows a roof truss and the detail of the connection at joint B. Members BC and BE are angle sections with the thicknesses shown in the figure. The working stresses are 70 MPa for shear in the rivets and 140 MPa for bearing stress due to the rivets. How many 19-mm-diameter rivets are required to fasten the fol- lowing members to the gusset plate: (a) BC; and (b) BE? 1.46 Repeat Prob. 1.45 if the rivet diameter is 22 mm, with all other data remain- ing unchanged. -14-mm-thick gusset plate 6 m 4m G 4m 4m 4 m 96 kN 200 kN 96 kN FIG. P1.45, P1.46 PBC 6-mm-thick angle -13-mm-thick angle
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