Please show solutions on how to get the 2 value. The circle green in the figure. Civil engineering- steel design

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Please show solutions on how to get the 2 value. The circle green in the figure.

Civil engineering- steel design

3.5-2
A square hollow structural section (HSS) is used as a tension member and is welded
to a gusset plate of A36 steel as shown in Figure P3.5-2. Compute the nominal block
shear strength of the gusset plate.
t = 5/8"
FIGURE P3.5-2
HSS 6x6 x ½
3.5-2
The shear areas are Ag. =(7)(2) = 8.75 in.² = Aav
= 3.75 in.²
The tension area is Ant = Agt =
Fy = 36 ksi, F, = 58 ksi
R = 0.6FA+UFA = 0.6(58)(8.75) + 1.0(58) (3.75) = 522 kips
Check upper limit:
0.6FyAgy+UbsFuAm = 0.6(36) (8.75) + 1.0(58)(3.75) = 407 kips < 522 kips
R₁ = 407 kips
Transcribed Image Text:3.5-2 A square hollow structural section (HSS) is used as a tension member and is welded to a gusset plate of A36 steel as shown in Figure P3.5-2. Compute the nominal block shear strength of the gusset plate. t = 5/8" FIGURE P3.5-2 HSS 6x6 x ½ 3.5-2 The shear areas are Ag. =(7)(2) = 8.75 in.² = Aav = 3.75 in.² The tension area is Ant = Agt = Fy = 36 ksi, F, = 58 ksi R = 0.6FA+UFA = 0.6(58)(8.75) + 1.0(58) (3.75) = 522 kips Check upper limit: 0.6FyAgy+UbsFuAm = 0.6(36) (8.75) + 1.0(58)(3.75) = 407 kips < 522 kips R₁ = 407 kips
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