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Use of Pulverized Fly Ash in Asphalt Concrete Mixture

Yee , Chung Tuck (2005) Use of Pulverized Fly Ash in Asphalt Concrete Mixture. Universiti Teknologi Petronas. (Unpublished)

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Abstract

The increasing wastes and by-products from the rapidly developed industries nowadays, has become a major concern globally, whereby, on howto handle these wastes and by-products properly without causing any damages to the society and environment. Among the wastes/by-products from the industries are such as, steel slag ash, kiln dust, blast furnace slag and much more. In this study, the concern will be on Pulverized Fly Ash (PFA), which is a by-product from the coal combustion industry. The highway construction requires lots of raw material from the natural resources. Hence, researches on incorporating industries wastes into asphalt pavement, to reduce consumption and need on virgin aggregates are indeed important. In this study, experiments will be conducted to studyon the characteristics of asphalt concrete mixture when PFAis mixed into the mixture rather than using OPC as filler. MarshallMix Test will be carried out to determine the optimum binder content (OBC) for both mixtures in order to design or determine the material proportions to prepare samples for performance tests, hi this study, the samples are prepared by using 55% of coarse aggregates, 40% fine aggregates and 5% filler (both for OPC and PFA mixtures) and the OBC for both OPC and PFA mixtures are 5.58% and 5.45% respectively. Among the performance tests involved in this study are Wheel Tracking Test (deformation/rutting) andBeamFatigue Test (asphalt concrete mixture deterioration). The obtained results will be analyzed and discussed to determine the advantages or disadvantages of incorporating PFA into asphalt concrete mixture in engineering aspects, such as workability, permanent deformation, fatigue life and flexural stifmess. From the performance tests conducted, PFA mixture has lower permanent deformation, higher flexural stiffness but lower fatigue life as compared to conventional mixture.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 02 Oct 2013 15:59
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/8130

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