Arief Setiawan


Improving the quality of petroleum asphalt is required to obtain the characteristic
mix asphalt is better so than pavement thickness becomes thinner also provide a longer service life.
One of the added material used is Sulfur. The addition of Sulfur to the asphalt, better known as Sulfur
Extended Asphalt (SEA) as a partial substitution of hard asphalt. The purpose of this study was to
determine the effect of Sulfur on the characteristics of AC-WC mixture.
The study was conducted by giving the variation of sulfur content of 0%, 3%, 5% and 7% of the weight
of asphalt. Aggregate taken from the Taipa River with a choice of AC-WC finely graded based on the
General Specifications of Bina Marga in 2010. Gradation based targeting by portion, for
implementation in a laboratory controlled by sieve. Testing characteristics of the mixture using
Marshall. Kruskal-Wallis test with SPSS version 17 conducted to determine the effect of Sulfur on the
characteristics of Marshall.
The results obtained, in general that the addition of Sulfur increases the need for optimum bitumen
content (OBC). Based on Kruskal-Wallis test shows that the Sulfur had a significant influence on the
stability, density, VMA and flow at 95% confidence level. Optimum asphalt content at 0%, 3% and 5%
is 5.65%, 6.18% and 5.85% respectively. At 7% bitumen content could not be determined the Optimum
Bitumen Content value. Marshall stability increased by 13.37% (1935.331 kg) and 17.65% (2008.328 kg)
on the sulfur content of 3% and 5%, to specimen control 0% sulfur (1707.054 kg).

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ISSN (Print) : ISSN 2087-7935