Test result of ECOPHALT pavement's durability Inspection of durability Test construction with Japan-made raw material(special high-viscosity asphalt) ( Korea Road Corporation ,March, 1996):Wet Method Item test result standard Marshal Stability     (kg) 490 350 and above density (g/§¨) 1,989 - opening rate         (%) 20 15 ~ 25 ECOPHALT(domestic technology):South Construction Center of Soul City : (existing AP-3 used+ DAMA added) item test result standard Marshal Stability     (kg) 561 500 and above density (g/§¨) 2,163 - flowage               (%) 31 20 ~ 40 opening rate         (%) 18 15 ~ 25 water drainage coeficient      (cm/sec) 8 x 10-2 1 x 10 and above resistance ot slipping           (SN) 10 and above - noise reduction           db(A) 5 - The same as Japan-made product and above (8-14% increase) Inspection of durability (DAMA-added ASPHALT mixture) Comparison with other hot mixed asphalt (existing impenetrable mixture + DAMA added) existing #67 #67DAMA remark Marshal stability (§¸) 1,192 1,392 flowage (1/100§¯) 27 30 density (g/§¨) 2,732 2,351 West Construction Office of Seoul City ,98. 11. (Danginri area of Northern Riverside Road) good existing 78# 78#DAMA remark Marshall stability (§¸) 1,199 1,231 flow value (1/100§¯) 33 30 density (g/§¨) 2,389 2,384 YONGIN EVERLAMD SPEEDWAY 98. 9. good German-made VIVATOP+SMA opening SMA opening+DAMA additive remark Marshal stability(§¸) 629 709 Flowage (1/100§¯) 30 44 density(g/§¨) 2,220 2,228 Constructed by South Construction Center of Seoul City measured by Construction Material Test Research Center import substitution effect -Representing promoted performance of DAMA ASPHALT, compared with other hot mixed asphalt's -Import substitution effect