t	concrete age, in days/hours
$t_s$	concrete age at exposure to drying, in days
$t_0$	concrete age at loading, in days
$f_{cm}$	average cylinder compressive strength, in MPa
$f_{ctm,sp}$	average splitting tensile strength, in MPa
$f_{ctm}$	average uniaxial tensile strength, in MPa
$E_{cm}$	average Young’s modulus, in MPa
${\epsilon }_s^t$	total strain in sealed loaded specimens, in ‰
${\epsilon }_{us}^t$	total strain in unsealed loaded specimens, in ‰
${\epsilon }_s^{sh}$	autogenous shrinkage strain in the sealed load-free specimen, in ‰
${\epsilon }_{us}^{sh}$	combined autogenous and drying shrinkage strain in unsealed load-free specimens, in ‰
LVDT	linear variable differential transformer
MRS	multi-ring-sensor
MP	measuring point