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Bonding characteristics of Self Compacting Geopolymer Concrete through Pull Out Test

Abd Rahain, Amatillah Sakinah (2011) Bonding characteristics of Self Compacting Geopolymer Concrete through Pull Out Test. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Geopolymer concrete has been recognized as an alternative to replace Ordinary Portland Cement Concrete (OPC) in term of many aspects such as cost saving and environmental friendly material. Fly ash is one of the most utilized waste materials to replace OPC as the binder in the concrete. Fly ash from the combustion of coal in electrical power plant had also been identified as a contributor to the environmental problem if they are not disposed properly. In this research, fly ash was used as the main ingredient to produce geopolymer concrete which obtained from Manjung Power station. Super Plasticizer was added to improve the self-compatibility properties of geopolymer concrete. Thus, this material is called as Self Compacting Geopolymer Concrete (SCGC). This concrete has the ability to be self-compacted without the need of vibration and compaction process. This research is dedicated to investigate the bonding characteristic of Self Compacting Geopolymer Concrete through Pull Out Test. There are two types of steel bars used which are ribbed bars and normal bars. Besides, the molarity of sodium hydroxide in alkaline activating solution also varied. There were four molarity used namely 8M, 10M, 12M and 14M. Besides that, the curing regime that applied was external curing. Each sample was tested at 14 days and 28 days. Pull out test for each sample was done in the laboratory using Universal Testing Machine (UTM). As for the result, it eventually found that out of the molarity used, the highest bond strength occurred when molarity of sodium hydroxide is 12M. On the other hand, between ribbed and round steel bar used, bond strength it at its highest for sample that utilized ribbed bars. Lastly, from the observation comparing curing ages, the highest bond strength happened at samples that have been cured for 28 days compared to 14 days.

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: 30 Sep 2013 16:08
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/7115

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