[HTML][HTML] A comprehensive review of nano materials in geopolymer concrete: Impact on properties and performance

S Paruthi, I Rahman, A Husain, AH Khan… - Developments in the …, 2023 - Elsevier
Geopolymerization in concrete production is a sustainable approach that utilizes industrial
waste materials in conjunction with alkaline activators, such as sodium hydroxide and …

[HTML][HTML] Suitability of sustainable sand for concrete manufacturing-A complete review of recycled and desert sand substitution

MN Akhtar, KA Bani-Hani, DAH Malkawi… - Results in …, 2024 - Elsevier
Workable, environmentally friendly, sustainable sand concrete was reviewed to replace river
sand for concrete production. The river ecology and the biological balance will be preserved …

Study of the development of hydration of ternary cement pastes using X-ray computed microtomography, XRD-Rietveld method, TG/DTG, DSC, calorimetry and FTIR …

AM de Oliveira, AP Oliveira, JD Vieira, AN Junior… - Journal of Building …, 2023 - Elsevier
This paper analyzes and discusses in depth the development of hydration of ternary cement
pastes with silica fume (8%) and nano-silica (3%), with water/binder (w/b) ratios of 0.4 and …

[HTML][HTML] Hydration reaction and compressive strength of small amount of silica fume on cement-fly ash matrix

X Ma, T He, Y Xu, R Yang, Y Sun - Case Studies in Construction Materials, 2022 - Elsevier
In 2021, the price of silica fume had fallen to 400 RMB/ton in some areas, while that of
cement had risen to 650 RMB/ton, which provided a realistic basis for applying silica fume in …

Nano-modification effect on the pore characteristics and the water multiscale transport properties of concrete in winter construction of tunnel engineering

S Cui, W Xia, G Zeng, Z Cao, G Li, JW Ju - Cement and Concrete …, 2023 - Elsevier
Seepage has become the dominant damage that affected tunnel stability. Although drainage
and the waterproofing system are frequently employed in seepage tunnels, the poor …

Agglomeration behavior of colloidal nano-silica and its effect on pore structure, mechanical properties and shrinkage of cement mortar

T Yang, B Liu, L Li, X Gan, L Lu, Y Li - Construction and Building Materials, 2023 - Elsevier
The pozzolanic activity of colloidal nano-silica (CNS) can promote cement hydration, thereby
improving the performance of the cement-based materials. However, the CNS itself presents …

Hydration and mechanical properties of high-volume fly ash concrete with nano-silica and silica fume

BJ Kim, GW Lee, YC Choi - Materials, 2022 - mdpi.com
This study investigated the effects of nano-silica (NS) and silica fume (SF) on the hydration
reaction of high-volume fly ash cement (HVFC) composites. In order to solve the …

[PDF][PDF] Durability assessment of sustainable mortar by incorporating the combination of solid wastes: an experimental study

MN Akhtar, DAH Malkawi, KA Bani-Hani… - Civil Engineering …, 2023 - researchgate.net
The excessive mining of high-quality river sand for cement sand mortar resulted in
environmental impacts and ecological imbalances. The present study aims to produce …

Effects of nano-SiO2 on interfacial bond performances between normal-strength concrete and high-strength concrete

KF Li, CQ Yang, L Zeng, F Xu, Y Pan - Journal of Building Engineering, 2023 - Elsevier
This study investigates the feasibility of applying nano-SiO 2 (NS) as interfacial bonding
agents to realize robust bonds between normal-strength concrete and high-strength repair …

Role of silicate-rich and silicate-less industrial solid wastes in the physicomechanical properties and durability of low quality metakaolin-blended cement

MS Meddah, H Abdel-Gawwad, O Najjar - Environmental Science and …, 2024 - Springer
Although calcined clay-blended cement offers higher performance and durability compared
to neat Portland cement (PC), its extensive use of natural clay leads to the depletion of …