Journal ArticleDOI
Characterization and modeling the flow behavior and compression strength of the cement paste modified with silica nano-size at different temperature conditions
Ahmed Mohammed,Serwan Rafiq,Wael Mahmood,Riyadh Noaman,Kawan Ghafor,Warzer Qadir,Quraish Kadhum +6 more
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TLDR
In this paper, the effect of nano-silica (NS) as an additive to the Ordinary Portland Cement was evaluated and quantified using non-linear regression (NLR) based model.About:
This article is published in Construction and Building Materials.The article was published on 2020-10-10. It has received 46 citations till now. The article focuses on the topics: Portland cement & Compressive strength.read more
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Experimental study using ASTM and BS standards and model evaluations to predict the compressive strength of the cement grouted sands modified with polymer
TL;DR: In this paper, the impact of different grain sizes of sand on the ultimate stress of hand-mixed cement grouted sand modified with polycarboxylate ether-based polymer using two different test standards (ASTM and BS) was discussed.
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Acrylamide in-situ polymerization of toughened sulphoaluminate cement-based grouting materials
TL;DR: In this article , the authors investigated the effect of acrylamide monomer (AM) on sulphate aluminate grouting material (SCGM) by axial compression, FT-IR, TGA and SEM.
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Stress-stain behavior, elastic modulus, and toughness of the soilcrete modified with powder polymers
TL;DR: In this paper, the effect of two types of polymer on the stress-strain behavior, elastic modulus and total toughness of soilcrete was examined for curing periods up to 28 days, and the nonlinear Vipulanandan p-q model was employed to predict the relationship of the modified soilcrete with polymer and was compared with the β model prediction.
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Comparative study on mechanisms for improving mechanical properties and microstructure of cement paste modified by different types of nanomaterials
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Predictive Modeling of Compression Strength of Waste PET/SCM Blended Cementitious Grout Using Gene Expression Programming
Kaffayatullah Khan,Fazal E. Jalal,Mudassir Iqbal,Muhammad Imran Khan,Muhammad Nasir Amin,Majdi Adel Al-Faiad +5 more
TL;DR: In this paper , the effect of polyethylene terephthalate (PET) alongside two supplementary cementitious materials (SCMs) on the 28-day compressive strength (CS28d) of cementitious grouts by using gene expression programming (GEP) approach was evaluated.
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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.
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Nano reinforced cement and concrete composites and new perspective from graphene oxide
TL;DR: In this article, the effect of incorporating nanomaterials in low dosages to the fabrication, workability, hydration, microstructure, and mechanical properties of cement-based composites are comprehensively reviewed.
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Effect of nanosilica on characterization of Portland cement composite
TL;DR: In this paper, a liquid-form of nanosilica particle with a spherical diameter of about 20 nm was incorporated into the Portland cement paste at five different dosages and analyzed at four different ages to identify the nanosizing effects on the microstructures and material properties of composite cement paste.
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Effects of the pozzolanic reactivity of nanoSiO2 on cement-based materials
TL;DR: In this article, the characteristics of the pozzolanic reactivity of nanoSiO2 from studies of its reaction kinetics, morphology and structure of the hydrates and the influences of these features on the properties of cement-based materials were explored.
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Investigation of strength and hydration characteristics in nano-silica incorporated cement paste
TL;DR: A hydration model for Portland cement pastes modified with nano-silica in partial substitution is formulated based on the nucleation growth process from microstructural investigations over time as discussed by the authors.