Beam Web - Bolt Bearing on Beam Web
ratio = 39.05 / 53.68
= 0.73
PASS
The bolt group is oriented so that the shear force V is in ver. direction and the axial force P is in hor. direction
Bolt group forces
shear V
= 30.00
[kips]
axial P
= -25.00
[kips]
Bolt group resultant force
R
= ( V2 + P2 )0.5
= 39.05
[kips]
Resultant force/hor line load angle
θ
= tan-1 (V / P)
= 50.19
[°]
Bolt hole diameter
bolt dia db
= 0.750
[in]
bolt hole dia dbh
= 0.813
[in]
AISC 14th B4.3b
Bolt hole ver. dimension
dv
=
= 0.813
[in]
Bolt hole hor. dimension
dh
=
= 0.813
[in]
Bolt center to bolt hole edge dist
dc
= 0.5 dbh
= 0.406
[in]
Bolt no in ver & hor direction
Bolt Row nv
= 3
Bolt Col nh
= 1
Bolt spacing
ver sv
= 3.000
[in]
Bolt edge distance
ver ev
= 1.750
[in]
hor eh
= 1.375
[in]
Bolt clear dist - bot right corner bolt
LcA
= min (
ev/sin θ
,
eh/cos θ
) - d
c = 1.742
[in]
Bolt clear dist - right side edge bolt
LcB
= min (
sv - 0.5dv/sin θ
,
eh/cos θ
) - d
c = 1.742
[in]
Single Bolt Shear Strength
Bolt shear stress
bolt grade
= A325-N
Fnv
= 54.0
[ksi]
AISC 14th Table J3.2
bolt dia db
= 0.750
[in]
bolt area Ab
= 0.442
[in2]
Single bolt shear strength
Rn-bolt
= Fnv Ab
= 23.86
[kips]
AISC 14th Eq J3-1
Bolt bearing on plate
thick t
= 0.260
[in]
tensile Fu
= 65.0
[ksi]
Bolt bearing strength
Rn-br
= 3.0 db t Fu
= 38.03
[kips]
AISC 14th Eq J3-6b
Type A - Bolt Group Bottom Right Corner Bolt
Number of bolt
nA
= 1
Bolt tear out strength
Rn-tA
= 1.5 LcA t Fu
= 44.15
[kips]
AISC 14th Eq J3-6b
Bolt bearing strength
RnA
= min ( Rn-tA , Rn-br , Rn-bolt )
= 23.86
[kips]
Type B - Bolt Group Right Side Edge Bolt
Number of bolt
nB
= 2
Bolt tear out strength
Rn-tB
= 1.5 LcB t Fu
= 44.15
[kips]
AISC 14th Eq J3-6b
Bolt bearing strength
RnB
= min ( Rn-tB , Rn-br , Rn-bolt )
= 23.86
[kips]
Bolt bearing strength for all bolts
Rn
= nA RnA + nB RnB + nC RnC + nD RnD
= 71.57
[kips]
Bolt resistance factor-LRFD
φ
= 0.75
AISC 14th J3-10
φ Rn
=
= 53.68
[kips]
ratio
= 0.73
> R
OK