Construction and Building Materials, vol.333, 2022 (SCI-Expanded)
Article / Article
Construction and Building Materials
Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, CAB Abstracts, Communication Abstracts, INSPEC, Metadex, Veterinary Science Database, Civil Engineering Abstracts
Micro-silica, Nano-silica, Synergistic effect, Compressive strength, Splitting tensile strength, Discontinuity and critical stress limit, Microstructure, ITZ, Rheology, HIGH-PERFORMANCE CONCRETE, MECHANICAL-PROPERTIES, FLY-ASH, COMPRESSIVE STRENGTH, CEMENTING EFFICIENCIES, NANO-SIO2, DURABILITY, NANOSIO(2), NANOSILICA, WORKABILITY
Istanbul Technical University Affiliated:
© 2022 Elsevier LtdSynergistic effects of micro-silica (MS) and nano-silica (NS) on moderate and high strength concrete properties were investigated. Efficacy of micro and nano refinement remarkably increased as the W/Cm ratio decreased, and up to 37% improvement in compressive strength was obtained. Moreover, the linear-elastic region of the stress vs. strain diagrams significantly extended. As a result of the synergistic effect, a very dense interfacial transition zone was formed. The time-dependent evolution of the elastic modulus was much more effective than the compressive strength development. However, the combined use of MS and NS significantly decreased ductility.