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COMPARATIVE ANALYSIS OF HYDRATED LIME (HL) AND ORDINARY PORTLAND CEMENT (OPC) AS FILLER IN ASPHALT CONCRETE PAVEMENT

RIZKIYANTORO, PRANTYO RIZKIYANTORO (2010) COMPARATIVE ANALYSIS OF HYDRATED LIME (HL) AND ORDINARY PORTLAND CEMENT (OPC) AS FILLER IN ASPHALT CONCRETE PAVEMENT. Masters thesis, UNIVERSITI TEKNOLOGI PETRONAS.

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Abstract

There are many ways to improve the performance of asphalt concrete mixtures to minimize distress such as permanent deformation and fatigue on highway pavements. One of these ways is by adding fillers. Commonly used fillers that have been known as anti-stripping agent are Hydrated Lime (HL) and Ordinary Portland Cement (OPC), which both share the same predominant component, i.e. Lime (CaO). This study focuses on comparing the engineering characteristics of asphalt concrete mixtures using Hydrated Lime (HL) and Ordinary Portland Cement (OPC) as mineral fillers to improve the performance of the mixtures. The fundamental engineering properties of the mixtures were determined through the Marshall Mix design. The Optimum Bitumen Content (OBC) was then used to prepare the specimens for further performance tests. The performance test included permanent deformation tests using creep and wheel tracking tests and beam fatigue test to determine the fatigue characteristics of the mixtures. Findings of this study showed that the smaller particle size as well as the irregular shape of the HL as shown by the Scanning Electron Microscopy (SEM) test contributed to good interlocking of the aggregates in the mixtures. This was not observed in mixtures with OPC fillers which were of spherical particle shape. The X-Ray Diffraction (XRD) revealed that the HL particle has a higher capacity to diffract the X-rays, proving that it is a stronger material particle than the OPC. The Wheel Tracking test results showed that HL mixtures underwent less deformation than the OPC mixtures. A similar trend was observed in the Dynamic Creep Test. Based on the Beam Fatigue test, mixtures containing 4 % HL showed the best performance in fatigue amongst the other mixtures.

Item Type: Thesis (Masters)
Subject: UNSPECIFIED
Divisions: Engineering > Civil
Depositing User: Users 5 not found.
Date Deposited: 05 Jun 2012 08:31
Last Modified: 25 Jan 2017 09:43
URI: http://utpedia.utp.edu.my/id/eprint/2836

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