Abstract In recent years the word sustainability has become a priority of many researchers. this regard, evolutions were put forth in concrete industry one them is Geopolymer concrete. Ground granulated blast furnace slag (GGBS) used as source material which rich alumina and silica contents, forms silicate gel when mixed with an alkali solution sodium hydroxide then binds aggregate. Till now re...

This paper investigates on the mechanical characteristics (compressibility and shear strength) of fly ash/ground-granulated blast-furnace slag (GGBS) mixtures at various mix ratios using consolidation direct tests, respectively. The studies were done a reduced duration load increment. compressibility behaviour has been found to improve with increase in GGBS content. Direct test results showed a...

In situ X-ray Micro-Tomography (XMT) analyses with a pixel size of 0.325 µm were conducted on slag-based blended cements containing 75% Ground-Granulated Blast-Furnace Slags (GGBS) and 25% Ordinary Portland Cement (OPC), or without CaCl2 acceleration. Results show the identification main cementitious phases need to perform data repeatability tests in order allow their quantification. Investigat...

The influence of mineral additive, i.e. ground granulated blast-furnace slag on artificial gypsum stone humidity strains has been studied. content was varied in the range from 0 to 0.33 by weight based total amount mixture. measurements were carried out prism samples with dimensions 160x40x40 mm. placed vertically containers water, deformations measured using dial indicators. It established tha...

This paper focuses on the development of high-strength and eco-friendly one-part (i.e., dry-mix) alkali-activated mortar with ground granulated blast furnace slag as main precursor. In addition to slag, phyllite dust silica fume were used co-binders in binary ternary blends improve mechanical properties. Particle packing optimization was employed for mix proportioning achieve a compact matrix s...

This paper studied the influence of modulus and dosage sodium silicate on hydration alkali-activated copper-nickel slag (CNS) materials. CNS was used as main raw material, ground granulated blast furnace (GBFS) powder selected mineral additive. The hardening mechanisms were discussed. experimental results showed that [SiO4]4− [AlO4]5− with a high degree polymerization in glassy phase more easil...