Multiple Stress Creep Recovery Test of Bituminous mixture PMG 65/105-60+RA 30%
Aina Bernava, Remo Merijs-Meri

method covers the determination of percent recovery and no recoverable creep compliance of asphalt binders by means of the Multiple Stress Creep Recovery (MSCR) test. The MSCR test is performed at 58 ° C. 60 cycles per stress level: shear stress loading 0.1 kPa and 3.2 kPa for 1- second loading and 9‐second rest period were applayed. The percent recovery value is intended to provide a means for determining the elastic response and stress dependence of modified and unmodified asphalt binders. Average percent recovery Load level 0.1 kPa R_0.1 = 72.05 % Load level 3.2 kPa R_3.2 = 55.63 % Percent difference of recovery Load levels 0.1 kPa and 3.2 kPa R_diff = 22.80 % Average non-recoverable creep compliance Load level 0.1 kPa J_nr(0.1) = 0.2604 1/kPa Load level 3.2 kPa J_nr(3.2) = 0.4621 1/kPa Percent difference of non-recoverable creep compliance Load levels 0.1 kPa and 3.2 kPa J_nr_diff = 77.42 %


Pieteikuma datums
08.02.2021.
Atslēgas vārdi
Rheologycal properties, Multiple Stress Creep Recovery Test, Bituminous mixture
Zinātniskās darbības koordinācijas un informācijas nodaļa.
E-pasts: elza.vecpuise@rtu.lv; Tālr: +371 26013889