Effect of Steam Curing on Mechanical Properties of Self-Compacting Concrete Containing Pozzolan

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Title: Effect of Steam Curing on Mechanical Properties of Self-Compacting Concrete Containing Pozzolan

Author(s): Aliakbar Ramezanianpour, SeyedAli Ghahari, AmirMohammad Ramezaninapour, and Khashayar Esmaeili

Publication: Special Publication

Volume: 303

Issue:

Appears on pages(s): 45-56

Keywords: compressive strength; initial steam curing; mineral additive; rapid chloride penetration test; self-compacting concrete; surface electrical resistivity

Date: 6/1/2015

Abstract:
The effect of initial steam curing and different types of mineral additives (Metakolin, Pumis, and Trass) on mechanical and durability characteristics of self-compacting concrete (SCC) was investigated and evaluated by various test methods. Concrete specimens were exposed to six different steam curing regimes after casting, namely two different temperatures (60, and 70 °C), and three total durations (16, 18, 20 hours). Results of surface electrical resistivity, and Rapid chloride penetration test (RCPT) for durability, and compressive strength for mechanical properties showed that exposing specimens to higher temperature could significantly improve compressive strength by promoting hydration.