ArticleMaterials (Basel, Switzerland)2022
Hydration and Mechanical Properties of High-Volume Fly Ash Concrete with Nano-Silica and Silica Fume.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 31 citations in OpenAlex.
- Effects of Nanosilica on the Properties of Ultrafine Cement-Fly Ash Composite Cement Materials.Nanomaterials (Basel, Switzerland) · 2024Article
- On the Flow of a Cement Suspension: The Effects of Nano-Silica and Fly Ash Particles.Materials (Basel, Switzerland) · 2024Article
- Effect of Micro-Nano Bubble Water and Silica Fume on Properties of C60 Concrete.Materials (Basel, Switzerland) · 2023Article
- Effects of an Amphiphilic Micelle of Diblock Copolymer on Water Adsorption of Cement Paste.Materials (Basel, Switzerland) · 2023Article
- Thermal and Mechanical Properties of Concrete Incorporating Silica Fume and Waste Rubber Powder.Polymers · 2022Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
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 dispersibility problem caused by the agglomeration of NS powder, NS and NSF solutions were prepared. NS content and SF content were used as main variables, and an HVFC paste was prepared in which 50% of the cement volume was replaced by fly ash (FA). The initial heat of hydration was measured using isothermal calorimetry to analyze the effects of NS and SF on the initial hydration properties of the HVFC. In addition, the compressive strength was analyzed by age. The refinement of the pore structure by the nanomaterial was analyzed using mercury intrusion porosimetry (MIP). The results show that the addition of NS and SF shortened the setting time and induction period by accelerating the initial hydration reaction of HVFC composites and improved the compressive strength during the initial stage of hydration. In addition, the micropore structure was improved by the pozzolanic reaction of NS and SF, thereby increasing the compressive strength during the middle stage of hydration.
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Registered trials
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