TY  - JOUR
T1  - Permeability Measurements of Surface Asphalt Mixture Modified by
Polymer Combination
AU - Fahem Al-Khafaji, Fatimah 
JO  - Journal of Engineering and Applied Sciences
VL  - 13
IS  - 18
SP  - 7656
EP  - 7661
PY  - 2018
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2018.7656.7661
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2018.7656.7661
KW  - Permeability
KW  -HMA
KW  -polymer combination
KW  -plastomer
KW  -elastomer
KW  -compared
AB  - Permeability can be defined as the capacity of porous material to let water flow through its voids that has been associated with the moisture damage occurrence. One of the most common method for reducing the permeability of HMA is polymer modification of asphalt binder. The best polymer combination (plastomer-elastomer) that related with lowest permeability value for both surface layer A and B is 4% PE-1% SBR and 2% PP-3% SBS. By modification with polymer combinations (plastomer-elastomer), the permeability values decrease to 1.49 times for HMA surface layer A and two 2.04 times for HMA of surface layer B when compared with control ones.
ER  -