The Performance of Hot Rolled Sheet Wearing Course Stabilized Using Crumb Rubber

Prasetyo, Gilang Anindita Dwi and , Ir. Sri Sunarjono, MT, Ph.D (2017) The Performance of Hot Rolled Sheet Wearing Course Stabilized Using Crumb Rubber. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Highway pavements are often damaged before they reach the age of the plan. One of the asphalt mixtures is HRS-WC, where the HRS-WC asphalt mixture has a strength deficiency compared to other asphalt mixtures. In addition, the damage factor on asphalt is caused by water. Road conditions that are submerged in water will decrease the durability of asphalt, so asphalt quickly damaged and crack. Crumb rubber is one type of thermoplastic type polymer that has high adhesiveness, good elasticity, strong, and resistant to water. The research was conducted in the Laboratory of Pavement Material of Universitas Muhammadiyah Surakarta. Creating specimen test using variation of asphalt content of 4%, 5%, 6% and 7% and asphalt modified with crumb rubber as much as 5% from asphalt weight. Asphalt and Marshall test results show that the mixture of HRS-WC asphalt with crumb rubber as much as 5% can increase penetration value, softening point value and ductility and stability value compared with conventional asphalt mixture. The value of Optimum Asphalt Content (OAC) used is OAC value on asphalt mixture with crumb rubber is 6.9%. Next make the specimen for standard immersion, 48 hours, and 96 hours. Then Marshall testing and durability analysis using Remaining Strength Index (RSI), First Durability Index (FDI), Second Durability Index (SDI) are tested. The results showed that the asphalt mixture with crumb rubber had a higher stability value compared to the usual mixture of asphalt. The resulting stability value is 1042.44 kg for asphalt mixture with crumb rubber and 1004.20 kg for conventional asphalt mixture. High stability values are generated because crumb rubber can increase the asphalt's elasticity and asphalt strength, so the key properties between aggregates and asphalt are stronger. The results of durability, the asphalt mixture with crumb rubber was more durable than the conventional asphalt mixture, with an RSI value of 84.29% at 48 hours immersion in asphalt mixture with crumb rubber and 79.17% on the conventional asphalt mixture. FDI values in both mixtures continued to increase to 0.53% in the asphalt mixture with crumb rubber and 0.68% on the usual asphalt mixture, showed the mixture of asphalt conventional more sensitive with immersion than the mixture of asphalt using crumb rubber. The SDI value or remaining strength average value for one day on the asphalt mixture with crumb rubber of 92.90% and 89.89% on the conventional asphalt mixture. So that the asphalt mixture with crumb rubber 5% stronger and durable against the duration of immersion.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Asphalt,HRS-WC,Stability,Durability
Subjects:	T Technology > TE Highway engineering. Roads and pavements
Divisions:	Fakultas Teknik > Teknik Sipil
Depositing User:	GILANG ANINDITA DWI PRASETYO
Date Deposited:	12 Dec 2017 09:21
Last Modified:	12 Dec 2017 09:21
URI:	http://eprints.ums.ac.id/id/eprint/57707

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