$F_{\mathrm{y}0}$	Yield load of uncorroded rebar	${\eta }_{\mathrm{V}}$	Average volume loss
$F_{\mathrm{u}0}$	Ultimate load of uncorroded rebar	${\eta }_{\mathrm{avg}}$	Average cross-section loss
$F_{\mathrm{yc}}$	Yield load of corroded rebar	${\eta }_{\max }$	Maximum cross-section loss
$F_{\mathrm{u}0}$	Ultimate load of corroded rebar	$A_{0,avg}$	Average cross-sectional areas of uncorroded rebar
$f_{\mathrm{y}0}$	Yield strength of uncorroded rebar	$A_{0,\min }$	Minimum cross-sectional areas of uncorroded rebar
$f_{\mathrm{u}0}$	Ultimate strength of uncorroded rebar	$A_{\mathrm{c},avg}$	Average cross-sectional areas of corroded rebar
$f_{\mathrm{yc}}$	Yield strength of corroded rebar	$A_{\mathrm{c},\min }$	Minimum cross-sectional areas of corroded rebar
$f_{\mathrm{uc}}$	Ultimate strength of corroded rebar	$V_0$	Volume of uncorroded rebar
${\epsilon }_{\mathrm{u}0}$	Ultimate strain of uncorroded rebar	$V_{\mathrm{c}}$	Volume of corroded rebar
${\epsilon }_{\mathrm{uc}}$	Ultimate strain of corroded rebar	$l$	Parallel length of tensile rebar
${\delta }_0$	Elongation after fracture of uncorroded rebar	$f_{\mathrm{yn}}$	Nominal yield strength (Fy/An)
${\delta }_{\mathrm{c}}$	Elongation after fracture of corroded rebar	$f_{\mathrm{un}}$	Nominal ultimate strength (Fu/An)
$\mathrm{\Delta }{l}_{\mathrm{u}}$	Deformation at maximum load	$f_{\mathrm{ye}}$	Effective yield strength (Fy/Amin)
$\eta$	Average corrosion degree (mass or volume loss)	$f_{\mathrm{ue}}$	Effective ultimate strength (Fu/Amin)
$d_{\mathrm{n}}$	Nominal (original) diameter	$\sigma$	Stress
$A_{\mathrm{n}}$	Nominal (original) cross-sectional areas	$\epsilon$	Strain
$E_0$	Elastic modulus of uncorroded rebar