Symbols	Content	Symbols	Content
a:	The calculated length of the cantilever rectangular plate	acf:	The calculated length of the column flange T-stub
aep:	The calculated length of the end-plate T-stub	As:	The effective area of the bolt rod
Asc:	The shear area of the column web	b:	The calculated height of the cantilever rectangular plate
bcf:	Calculate the height of column flange T-stub	beff,c:	Effective height of the column web in compression
beff,sc:	The effective compression width of column web stiffener	beff,st:	The effective tensile width of column web stiffener
beff,t:	The effective height of the column web in tension	bep:	The calculated height of the end-plate T-stub
bs:	The width of the column web stiffener	D:	The unit width of the plate bending rigidity
db:	The nominal diameter of the bolt	dm:	The effective diameter of the bolt head, dm = 1.5db
e:	The horizontal distance from the center of the bolt hole to the external edge	E:	Elasticity modulus
Est:	Elastoplastic modulus	hb:	The height of beam section
hc:	The height of the column section	hcw:	Calculation height of the column web
hcw,c:	The equivalent calculation height of the column web in compression	hcw,t:	The equivalent calculation height of column web in tension
he,c:	Effective heights of welded of the column	he,ep:	Effective heights of welded of the end-plate
kbt:	The tensile stiffness in the height of each row of bolts	kcfb:	The bending stiffness of the column flange
Kcon:	The stiffness of the connection part	Kcw:	The stiffness of the column web part
kcwc:	The compressive stiffness of column web	kcws:	The shear stiffness of column web
kcwt:	The tensile stiffness of column web	kepb:	The bending stiffness of end-plate
Kji:	Joint initial rotation stiffness	ksc:	The compressive stiffness of column web stiffener
kst:	The tensile stiffness of column web stiffener	Lb:	The calculation length of the bolt
leff,cf:	The effective lengths of the equivalent T-stubs of the column flange	leff,ep:	The effective lengths of the equivalent T-stubs of the end-plate
m:	The distance from the bolt hole to the surface of the beam flange	M:	Elastic ultimate moments
mc:	The distance from the center of the bolt hole to the welding foot of the column web	p:	Horizontal distance bolt holes
rc:	The root radius of the column flange weld	tbf:	The thickness of the beam flange
tcf:	The thickness of the column flange	tcw:	The thickness of the web
tep:	The thickness of the end-plate	th:	The thickness of bolt head
tn:	The thickness of the bolt nut	ts:	The thickness of column web stiffener
Symbols	Content	Symbols	Content
twh:	The thickness of the bolt washer	w:	The vertical distance between bolt holes
wbf:	Width of the beam flange	wcf:	Width of the column flange
wep:	Width of the end-plate	α:	The rectangular plate coefficient related to the length and constraints
γ:	The coefficient of prestress effect	θu:	Ultimate rotation
λ:	The influence coefficient of the bolt hole spacing, and the value λ = (p/w)3	μ:	The Poisson’s ratio of the steel
Φ:	The influence coefficient of the joints type	ωepb1:	The center deflection of the No.I plate of end-plate T-stub
ωepb2:	The center deflection of the No. II plate of end-plate T-stub	ωm:	The center deflection of the cantilever rectangular plate
△b:	The bending deformation of the end-plate and column flange	△c:	The compressive deformation of the column web
△s:	The shear deformation of the column web	△t:	The tensile deformation of the bolts