Analysis of The Residual Strength Value of AC-WC Asphalt Mixture by Immersion in Asphalt Mixture with LDPE Plastic Waste Substitution

Franky E.P. Lapian, Irianto M. Tumpu, Hans Leonard(1),


(1) 
Corresponding Author

Abstract


The residual stability value is the stability value of the soaked asphalt mixture, this study aims to obtain the residual strength stability value in the Asphalt Concrete – Wearing Course (AC-WC) mixture which is added LDPE plastic waste as a substitute for aggregate. The results of the study obtained stability values from all immersion variations tested to meet the bina marga specification standards, which are greater than 800 kg, for 0-hour immersion of 1445 kg, 15-minute immersion variation of 1409 kg, 30-minute immersion variation of 1381 kg, 60-minute immersion variation of 1340 kg, and in 360-minute immersion variation the stability value was obtained of 1304 kg. AC-WC asphalt mixture using added LDPE plastic waste has a residual stability value after soaking for 360 minutes (6 hours) of 90.3%, meeting the residual stability value required by SNI 8139: 2015 and bina marga specifications which state that the residual stability value after soaking for at least 360 minutes (6 hours) the decrease must not be measured from 90%.

Keywords


Residual stability, LDPE and AC-WC

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