t
|
Shear stress
|
m
|
Slip factor
Weld size parameter
|
d
|
Weld size parameter
|
b
|
Transformation parameter
|
r
|
Reduction factor
|
G
|
Weld size parameter
|
σ1
|
Normal stress in weld part
|
τ1
|
Shear stress in weld part
|
τ2
|
Shear stress in weld part
|
σD
|
Stress around point d in calculation of design shear resistance for bolts in column
|
σf,Ed
|
the longitudinal stress in the flange
|
σM
|
Normal stress generated by moment M
|
γM1
|
the partial safety factor
|
σN
|
Normal stress generated by normal force N
|
βw
|
Correlation factor in weld size calculation
|
A
|
Area of beam
Area of element
|
A
|
Parameter in design shear resistance for bolts in column
|
a
|
Lever arm - Bolt center - Weld size
Position of bolt center with regard to underside of the plate (dir. x)
|
a
|
distance to the nearer end of the member
|
a1
|
length in block shear resistance
|
a2
|
length in block shear resistance
|
a3
|
length in block shear resistance
|
alfa,bw
|
Alfa value for beam web
|
alfa,el
|
Alfa value for element
|
Anet
|
Reduced area of the beam
Reduced area of the element
|
As
|
Tensile area for the bolt
|
Av
|
Shear area of the beam
|
Av.net
|
Reduced shear area of the beam element
|
B
|
Parameter in design shear resistance for bolts in column
|
b
|
Width
Position of bolt center with regard to underside of the plate (dir. y)
|
bd
|
Length in calculation of design shear resistance for bolts in column
|
bf
|
the column flange width
|
c
|
Maximum horizontal distance between bolts and bolt center
|
D
|
Shear force on the plate
|
d
|
Bolt diameter
Maximum horizontal distance between bolts and bolt center
|
d
|
the column web depth
|
d0
|
Hole diameter
|
do
|
Hole diameter
|
e
|
Diagonal diameter of bolt head
|
e1
|
Edge distance
|
Fb,bw,Rd
|
Bearing Resistance for beam web
|
Fb,el,Rd
|
Bearing Resistance for element
|
Fp,Cd
|
Design preloading force
|
Fs,Rd
|
Design slip resistance of preloaded high-strength bolt
|
Ft,Sd
|
Applied tensile force
|
fu
|
Ultimate tensile strength of the element
|
fub
|
Tensile strength of the bolt
|
Fv,Rd
|
Shear resistance per shear plane
|
fy
|
Yield strength of the element
|
g
|
weld size parameter
|
Gamma M0
|
Partial safety factor for resistance of cross-section to overall yielding
|
Gamma M1
|
Partial safety factor for resistance to buckling
|
Gamma Mb
|
Partial safety factor for resistance of bolts
|
Gamma Ms
|
Partial safety factor for slip resistance
|
Gamma Mw
|
Partial safety factor for resistance of welds
|
h
|
Height
|
h
|
the column height
|
hd
|
Height in calculation of design shear resistance for bolts in column
|
Ip
|
: Polar moment of inertia of the bolts with regard to the boltcenter
|
IpD
|
Polar moment of inertia of the bolts around point d in calculation of design shear resistance for bolts in column
|
K
|
Parameter in calculation of design shear resistance for bolts in column
|
ks
|
Value for slip resistance
|
l
|
length of the weld part
|
L
|
parameter in weld size
|
l1
|
length of the weld part
|
L1
|
Length for block shear resistance
|
l2
|
length of the weld part
|
L2
|
Length for block shear resistance
|
L3
|
Length for block shear resistance
|
leff
|
equivalent length in T-Stub model
|
Lv
|
Length for block shear resistance
|
Lveff
|
Length for block shear resistance
|
M
|
Present moment
|
m
|
factor in T-Stub model
|
Mpl,1,Rd
|
Design plastic moment resistance for MODE 1 in T-Stub model
|
Mpl,2,Rd
|
Design plastic moment resistance for MODE 2 in T-Stub model
|
My
|
Actual bending moment
|
N
|
Present normal force
|
n
|
Number of friction interfaces
Number of plates of number of bolt
|
NRd
|
Design tension/compression resistance
|
NSd
|
Internal tension/Compression force
|
p1
|
Bolt pitch
|
Pl
|
Gap between column’s flange and beam’s web
|
Q
|
Resulting forces acting on the extreme bolt of a plate:
|
Qhk
|
Horizontal force acting on the bolts in bolt-row k
|
Qhn
QhM
|
Horizontal force acting on the extreme bolt of a plate
|
Qvj
|
Vertical force acting on the bolts in bolt column j
|
QvM
|
Vertical force acting on the extreme bolt of a plate
|
Qvr
|
Vertical force acting on the extreme bolt of a plate
|
R
|
Shear force
|
r
|
Radius
|
S
|
Width across flats, diameter of bolt head
|
ss
|
the plate height
|
t
|
Element thickness
|
t
|
Thickness
|
tf
|
Flange thickness
|
tf
|
the column flange thickness
|
tw
|
Web thickness
|
tw
|
the column web thickness
|
VRd
|
Design shear resistance
|
VSd
|
Internal shear force
|
Vz
|
Actual shear force
|
W
|
Elastic section modulus of beam
|
x1
|
Edge distance for bolts in connection element
|
x2
|
Edge distance for bolts in connection element
|
xj
|
Maximum horizontal distance between bolts and d point
|
y1
|
Edge distance for bolts in connection element
|
y2
|
Edge distance for bolts in connection element
|
zk
|
Maximum vertical distance between bolts and d point in design shear resistance of column
|