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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Effect of nanomaterials inclusion on sustainability of cement-based concretes: A comprehensive review
Ali M. Onaizi,Ghasan Fahim Huseien,Nor Hasanah Abdul Shukor Lim,Mugahed Amran,Mostafa Samadi +4 more
TL;DR: In this article, a comprehensive assessment of diverse nanomaterials included cement-based concretes was made, and the mechanisms behind the influence of different nanommaterials on the strength characteristics, workability and durability performances of the proposed improved concrete were examined.
Journal ArticleDOI
Mechanical properties and durability of unconfined and confined geopolymer concrete with fiber reinforced polymers exposed to sulfuric acid
Radhwan Alzeebaree,Abdulkadir Cevik,Behzad Nematollahi,Jay Sanjayan,Alaa Mohammedameen,Mehmet Eren Gülşan +5 more
TL;DR: In this paper, the mechanical properties and durability of unconfined/confined sustainable geopolymer concrete (GPC) exposed to sulfuric acid attack under static and cyclic loadings were investigated.
Journal ArticleDOI
Evaluation of hybrid steel fiber reinforcement in high performance geopolymer composites
X Xu Gao,X Xu Gao,Q Qingliang Yu,Rui Yu,Rui Yu,Hjh (Jos) Jos Brouwers,Hjh (Jos) Jos Brouwers +6 more
TL;DR: In this article, steel fibers of two lengths are applied for strength reinforcement and shrinkage compensation for slag-fly ash composites, and the results show that by applying the hybrid fiber together with the particle packing design approach, a compressive strength of around 100MPa can be achieved with a w/p ratio of 0.4.
Journal ArticleDOI
Characterization of palm oil clinker powder for utilization in cement-based applications
TL;DR: In this paper, the authors presented the results of a study on the physical properties (particle size, specific surface, specific gravity, loss of ignition, morphology), chemical composition, organic carbon, thermal stability and mineralogical composition of palm oil clinker powder (POCP).
Journal ArticleDOI
The role of nanomaterials in geopolymer concrete composites: A state-of-the-art review
TL;DR: In this article , the effects of different nanoparticles on the most essential fresh, mechanical, durability, and microstructure characteristics of geopolymer paste, mortar, and concrete composites were reviewed, analyzed, and discussed in detail.
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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