Effects of Seawater Mixing and Curing on Strength and Carbonation of Fly Ash Concrete

Adiwijaya, Ali and Yamamoto, Daisuke and Dasar, Amry and Hamada, Hidenori and Sagawa, Yasutaka (2013) Effects of Seawater Mixing and Curing on Strength and Carbonation of Fly Ash Concrete. Journal of Structures and Materials in Civil Engineering, 1 (29). pp. 97-103. ISSN 1340-2579

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Abstract

In this study, effects of seawater mixing and seawater curing on compressive strength, porosity, and carbonation depth of concrete with 20% fly ash replacement were investigated. Concrete cylinder specimens with water-binder ratio of 0.5 were prepared using natural seawater or tap water as mixing water. At 24 hours after casting, specimen was demolded and followed by different curing conditions, such as tap water curing, seawater curing and air curing in 20C, RH 60% controlled room for 28 days. Result shows that compressive strength of concrete mixed with seawater at 28 days was improved compared with tap water mixed concrete for each curing condition and no significant difference in compressive strength of concrete is observed for tap water curing and seawater curing. In addition, a good correlation between compressive strength and carbonation coefficient in seawater mixed and tap water mixed concrete was also obtained.

Item Type: Article
Subjects: T Technology > TH Building construction
Divisions: Department of Civil Engineering > Teknik Konstruksi Gedung
Depositing User: Dr.Eng. Adiwijaya, S.ST., M.T.
Date Deposited: 27 Mar 2017 08:12
Last Modified: 05 Sep 2017 01:33
URI: http://repository.poliupg.ac.id/id/eprint/137

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