Effect of Limestone Powder and Metakaolin on Creep of Self-Consolidating Concrete
Creep is one of the important properties of concrete. Effect of limestone powder (LP) and metakaolin (MK) on creep characteristics of self-consolidating concrete (SCC) has been investigated by nanoindentation and the self-made loading device with the pressure sensor. The results indicate
that elastic modulus of LP is relatively high; the combined addition of 20% LP and 10% MK can increase the volume fractions of HD C-S-H in C-S-H to make for reducing creep of SCC, compared with that of SCC with 10% LP and 10% MK; however, creep is increased slightly with the excessive LP because
of the reduction of strength. The short-term creep during nanoindentation can characterize the creep of SCC indirectly.
Keywords: CREEP; ELASTIC MODULUS; LIMESTONE POWDER; METAKAOLIN; NANOINDENTATION; SELF-CONSOLIDATING CONCRETE
Document Type: Research Article
Publication date: 01 December 2014
- Journal of Advanced Microscopy Research (JAMR) provides a forum for rapid dissemination of important developments in high-resolution microscopy techniques to image, characterize and analyze man-made and natural samples; to study physicochemical phenomena such as abrasion, adhesion, corrosion and friction; to perform micro and nanofabrication, lithography, patterning, micro and nanomanipulation; theory and modeling, as well as their applications in all areas of science, engineering, and medicine.
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