EFFECTS OF MINERAL ADMIXTURES ON STRENGTH CHARACTERISTICS OF CONCRETE MIXED WITH SEAWATER

Adiwijaya, Ali and Hamada, Hidenori and Sagawa, Yasutaka and Yamamoto, Daisuke (2014) EFFECTS OF MINERAL ADMIXTURES ON STRENGTH CHARACTERISTICS OF CONCRETE MIXED WITH SEAWATER. In: The 6th International Conference of Asian Concrete Federation, 21st - 24th September 2014, Seoul-Korea.

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Official URL: http://www.asianconcretefederation.org/

Abstract

Studies on strength performance of seawater-mixed concrete have been revealed by several researchers. However, it is still unclear whether seawater-mixing improve strength development of concrete. In this study, strength characteristics of seawater mixed or tap water mixed concrete incorporating mineral admixtures such as Fly Ash and Ground Granulated Blast Furnace Slag were investigated. Concrete cylinder specimens with 40%, 50% and 60% of W/B were prepared. At 24 hours after casting, specimens were demolded and then cured in tap water curing, seawater curing or air curing. After 28-days and 91-days curing, concrete specimens were tested. Results showed that seawater-mixed OPC concrete improved compressive strength up to 91-days compared with tap water mixed in all curing conditions. Moreover, effectiveness of seawater-mixing on strength enhancement is larger for OPC concrete than concrete with mineral admixtures, and there is no significant effect of mineral admixtures on strength increment up to 91-days of seawater-mixed concrete in both tap water curing and sea water curing. Keywords: Seawater-mixing; Strength performance; Curing conditions; Mineral admixtures

Item Type: Conference or Workshop Item (Paper)
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: 07 Apr 2018 14:06
Last Modified: 16 Apr 2018 06:14
URI: http://repository.poliupg.ac.id/id/eprint/645

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