Strength and Deformation Properties of Alkali-Silica Reaction (ASR) Damaged Concrete Exposed to External Alkalis

Abstract:

In the present paper the results of strength and creep of a specific pavement concrete after ASR performance test are reported and discussed. The FIB cyclic climate storage test was applied which was developed in Germany. The used specific pavement concrete was tested exposed to water and external alkalis such as NaCl solution as deicer. Concrete prisms (100 x 100 x 400 mm) were tested on length change. After 252 days of storage, strength properties, creep and shrinkage were determined. The results of the experimental study indicate that ASR affects not only expansion but also static modulus of elasticity and creep behavior of concrete. Furthermore the tested concrete exposed to NaCl solution shows higher level of creep strain than exposed to water.

• Periodical: Key Engineering Materials (Volume 711)
• Pages: 665-672
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.711.665
• Online since: September 2016
• Authors: Oliver Mielich*, Hans Wolf Reinhardt, Hasan Özkan
• Keywords: Alkali-Silica Reaction, Creep, External Alkalis, Mechanical Properties, Performance Test

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