Journal ArticleDOI
Characterization of alkali activated slag–fly ash blends containing nano-silica
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TLDR
In this paper, the effects of nano-silica incorporation on an eco-friendly alkali activated slag-fly ash blends were investigated, and the results indicated that as the nano silica content increases, the slump flow is significantly reduced, and reaction process is slightly retarded according to the setting time and isothermal calorimetry results.About:
This article is published in Construction and Building Materials.The article was published on 2015-11-15. It has received 151 citations till now. The article focuses on the topics: Compressive strength & Fly ash.read more
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Journal ArticleDOI
Sustainability evaluation, engineering properties and challenges relevant to geopolymer concrete modified with different nanomaterials: A systematic review
TL;DR: In this article , a comprehensive review aims to elucidate the effects of nanomaterial inclusion on the workability, strength, durability, and physical and microstructural characteristics of GPC.
Journal ArticleDOI
Alkali-activated fly ash-blast furnace slag blend rheology: Evaluation of yield and Maxwell responses
TL;DR: In this article , the rheological behavior of fly ash-slag blends in alkali silicate activating solutions is evaluated and the link between the activating solution composition and the fundamental rheology behavior of alkali-activated pastes is studied for different fly ash and slag blends.
Dissertation
The Engineering Properties And Durability Performance Of Alkali-Activated (Pofa-Ggbs-Pfa) Ternary Hybrid Geopolymer Composite
TL;DR: In this paper, the authors presented the development of alkali-activated POFA-GGBS-PFA ternary hybrid geopolymer mortar under ambient-temperature curing condition.
Phase modification induced drying shrinkage reduction on Na2CO3 activated slag by incorporating Na2SO4
TL;DR: In this paper, the phase modification, reaction kinetics, mechanical properties and drying shrinkage of sodium carbonate activated slag by incorporating sodium sulfate in the activator were investigated, and the results showed that the reaction process is firstly controlled by CO32− anions, and later runs similar to that of sodium sulfates activation.
Book ChapterDOI
Nano-modified geopolymer and alkali-activated systems
TL;DR: In this article , the effects of nanomaterials on the setting, workability, compressive strength, microstructure development, porosity, carbonation, and sulfate resistance of geopolymers are presented.
References
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Journal ArticleDOI
New cements for the 21st century: The pursuit of an alternative to Portland cement
TL;DR: Aluminosilicate-based alkaline cements have been classified into five categories as discussed by the authors, and the key advances made in the understanding of synthetic gels are discussed, which ultimately finds hybrid cements to be technologically viable materials for contemporary construction.
Journal ArticleDOI
Influence of nano-SiO2 addition on properties of hardened cement paste as compared with silica fume
TL;DR: In this paper, the influence of nano-SiO 2 (NS) addition on properties of hardened cement paste (hcp) as compared with silica fume (SF) has been studied through measurement of compressive and bond strengths of hcp, and by XRD and SEM analysis.
Journal ArticleDOI
Structure of Calcium Silicate Hydrate (C‐S‐H): Near‐, Mid‐, and Far‐Infrared Spectroscopy
TL;DR: In this paper, the mid-, near-, and far-infrared (IR) spectra of synthetic, single-phase calcium silicate hydrates (C-S-H) with Ca/Si ratios (C/S) of 0.41-1.2 were analyzed.
Journal ArticleDOI
The coexistence of geopolymeric gel and calcium silicate hydrate at the early stage of alkaline activation
TL;DR: In this paper, the effects of ground granulated blast furnace slag (GGBFS) on the microstructure and mechanical properties of metakaolin (MK) based geopolymers were studied.
Journal ArticleDOI
Characteristics of cement mortar with nano-SiO2 particles
TL;DR: In this paper, the properties of cement mortars with nano-SiO 2 were experimentally studied, and the results showed that the compressive strength of mortars containing nano SiO 2 particles was significantly higher than those of those containing silica fume at 7 and 28 days.
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