Page 183 - Handbook of Structural Steel Connection Design and Details

Design of Connections for Axial, Moment, and Shear Forces

168 Chapter Two

Block shear on plate. L-shaped tearout.

Check block shear due to shear load.
A nt 5 t [L 2 0.5sf 1 1>16d] 5 0.375[1.5 2 0.5s1.125 1 1>16d]
e
h
p
5 0.340 in 2
A gv 5 t [L 1 sn 2 1db] 5 0.375[1.5 1 s5 2 1d3] 5 5.06 in 2
p
e
A nv 5 t [L 1 sn 2 1db 2 sn 2 0.5dsf 1 0.0625d]
h
e
p
5 0.375[1.5 1 s5 2 1d3 2 s5 2 0.5ds1d] 5 3.38 in 2
R bsv 5 s0.6F A nv 1 U F A d # s0.6F A gv 1 U F A d
u
bs u
nt
y
nt
bs u
5 0.75[0.6s58ds3.38d 1 1.0s58ds0.340d]
5 103 # 0.75[0.6s36ds5.06d 1 1.0s58ds0.340d] 5 96.8
5 96.8 kips . 733 kips ok
Check block shear due to axial load.
A nt 5 t [L 1 sn 2 1db 2 sn 2 0.5dsf 1 1>16d]
p
e
h
5 0.375[1.5 1 s4d3 2 s4.5ds1.0d]
5 3.38 in 2
A t L
gv P e
A nt 5 0.375 3 1.5 5 0.563
A nt 5 t [L 2 0.5sf 1 1>16d]
p
h
e
5 0.375[1.5 2 0.5s1.1875d] 5 0.339 in 2
R bst 5 s0.6F A nv 1 U F A d # s0.6F A gv 1 U F A d
bs u
nt
bs u
y
u
nt
5 0.75[0.6s58ds0.339d 1 1.0s58ds3.38d]
5 156 # 0.75[0.6s36ds0.563d 1 1.0s58ds3.38d] 5 156
5 156 kips . 39 kips ok
Check combined shear and axial block shear.
V 2 T 2 33 2 39 2
a b 1 a b 5 a b 1 a b 5 0.179 # 1.0 ok
R bsv R bst 96.8 156
U - shaped tearout.
A nt 5 t p [sn 2 1dsb 2 s h 1 1>16dd]
5 0.375[s5 2 1ds3 2 s1.0dd] 5 3.00 in 2
A gv 5 2t p L e 5 2s0.375ds1.5d 5 1.13 in 2
A nv 5 2t [L 2 0.5sf 1 1>16d]
h
e
p
5 2s0.375d[1.5 2 0.5s1.19d] 5 0.679 in 2

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