1.25" bolts gusset plate 2" 3.5" 3.5" 3.5" (2)-L6x4x/2 (LLH) Given: Area of one angle L6x4x½ = 4.75 in² -Tu Block shear failure mode
The (2)-L6x4x½ tension member shown in Figure has one row of four 1¼-in.-diameter A325N
bolts in each angle. Assuming ASTM A36 steel (Fy = 36 ksi) and considering the strength of the
(2)-L6x4x½ only, determine the following using AISC-LRFD specifications.
A. The net area (An).
B. The design tensile strength for the limit state of yielding in the gross section of the
tension member.
C. The effective cross-sectional area (Ae)
D. The design tensile strength for limit state rupture in the net section of the tension member.
E. When considering the block shear strength of the (2)-L6x4x½ tension member; what is the gross
area subjected to shear (Agv)?
F. When considering the block shear strength of the (2)-L6x4x½ tension member; what is the net
area subjected to shear (Anv)?
G. When considering the block shear strength of the (2)-L6x4x½ tension member; what is the net
area subjected to tension (Ant)?
H. When considering the block shear strength of the (2)-L6x4x½ tension member; what is the block
shear strength of the member? Assume Ubs = 1.0
I. Determine the strength of the member, including the block shear strength.
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