Civil Engineering and Architecture Vol. 11(2), pp. 1091 - 1098
DOI: 10.13189/cea.2023.110240
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The Improvement of Asphalt Mixture Durability Using Portland Cement Filler and Rice Husk Ash

Sri Sunarjono ^*, Nurul Hidayati , Muhammad Wahyu Setyo Aji , Wildan Faza Cindikia , Alfia Magfirona
Faculty of Engineering, Universitas Muhammadiyah Surakarta, Indonesia

ABSTRACT

The use of fillers in asphalt mixtures can potentially increase durability and their ability to resist water. This research was conducted to analyze how fillers improve the durability of the mixture. This research uses rice husk ash (RHA) and Portland cement (PC) as fillers in the mixture of asphalt concrete wearing course. The mixing process was carried out by the hot mix method, with the optimum asphalt content being 5.5% and the optimum filler content being 4%. The parameters analyzed were: sieve size, porosity, texture, penetration, aggregate blending, and mixing order. Based on the smaller filler sieve size (#400), it has the potential for a higher level of durability, while for strength, #200 has a higher potency. RHA porosity value #400 is 1.6 times greater than #200, and 5.53 times greater on PC. Asphalt with a smaller filler size has a better level of homogeneity, as seen from the smaller standard deviation of penetration. The results of aggregate blending show that the addition of filler causes aggregate gradations that do not meet the specifications required by Bina Marga. The filler should preferably be used as a substitute for the aggregate in the sieve analysis. Based on the IRMS (Index of Retained Marshall Stability) value, it can be concluded that the dry mixing process gives less value than wet mixing. This shows that wet blends last longer than dry blends.

KEYWORDS
Rice Husk Ash, Portland Cement, Durability, Asphalt Mixture

Cite This Paper in IEEE or APA Citation Styles
(a). IEEE Format:
[1] Sri Sunarjono , Nurul Hidayati , Muhammad Wahyu Setyo Aji , Wildan Faza Cindikia , Alfia Magfirona , "The Improvement of Asphalt Mixture Durability Using Portland Cement Filler and Rice Husk Ash," Civil Engineering and Architecture, Vol. 11, No. 2, pp. 1091 - 1098, 2023. DOI: 10.13189/cea.2023.110240.

(b). APA Format:
Sri Sunarjono , Nurul Hidayati , Muhammad Wahyu Setyo Aji , Wildan Faza Cindikia , Alfia Magfirona (2023). The Improvement of Asphalt Mixture Durability Using Portland Cement Filler and Rice Husk Ash. Civil Engineering and Architecture, 11(2), 1091 - 1098. DOI: 10.13189/cea.2023.110240.