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Effects of Pulverized Fuel Ash (PFA) on the bond strength of Self Compacting Concrete (SCC) with different diameter of embedded steel bars

Dominic , Juhirin Kantis (2009) Effects of Pulverized Fuel Ash (PFA) on the bond strength of Self Compacting Concrete (SCC) with different diameter of embedded steel bars. Universiti Teknologi Petronas, Sri Iskandar,Tronoh,Perak. (Unpublished)

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Abstract

This project was done to determine the effects of Pulverized Fuel Ash (PFA) on the bond strength of Self Compacting Concrete (SCC) with different diameter of embedded steel bars. PFA act as cement replacement material used at different percentages such as 5%, 10% and 15% and there were three sizes of steel bars diameter used in this project such as 10 mm, 12 mm and 16 mm. To establish the bond strength or stress of SCC to the steel bar, 9 samples of cylinder for each mix with single bar embedded inside will undergo the pull-out test. Two sets of sample were cast which set 1 has a constant embedded area while set 2 with embedded length of steel bars equal to 15 times the diameter of bar. The experimental bond strength value is given by pull out force divided by the effective embedded area of the steel bar while the theoretical value is determined by 0.5 times the square root of the compressive strength data. The results for slump flow are taken to determine the flow ability of the SCC. Based on the results, addition of more PFA to SCC did not affecting significantly to the bond strength at 28 days but have effects on the slump flow of SCC. Addition of PFA improves the slump flow of SCC. By using 12 mm steel bar, the bond strength value for both set are steadier compared to 10 mm and 16 mm bars. For set 1 with constant embedded steel bar area, bigger bar diameter gives better bond strength while for set 2 with embedded length of steel bar equal to 15 times the bar diameter, 12 mm bar gives better bond strength

Item Type: Final Year Project
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 5 not found.
Date Deposited: 11 Jan 2012 12:24
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/518

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