Performance, radiation shielding, and anti-fungal activity of alkali-activated slag individually modified with zinc oxide and zinc ferrite nano-particles

A Mohsen, HA Abdel-Gawwad, M Ramadan - Construction and Building …, 2020 - Elsevier
In this paper, low-cost nano-zinc ferrite (NZF) was used to evaluate its efficacy, as compared
with nano-zinc oxide (NZO), on the performance of the fresh and hardened alkali activated …

Experimental and modeling investigation of physicomechanical properties and firing resistivity of cement pastes incorporation of micro-date seed waste

HI Elkhouly, MA Abdelzaher, IM El-Kattan - Iranian Journal of Science and …, 2021 - Springer
Agricultural solid waste is used in several sectors due to its low cost, lightweight, and
enhanced environmental friendliness. The present work aims to study the impact of date …

Single and dual effects of magnesia and alumina nano-particles on strength and drying shrinkage of alkali activated slag

HA Abdel-Gawwad, MS Mohammed… - Construction and Building …, 2019 - Elsevier
High drying shrinkage is considered as one of the main drawbacks which hinder the mass
production of alkali activated slag (AAS). The formation of expansive phases was found to …

The potential application of cement kiln dust-red clay brick waste-silica fume composites as unfired building bricks with outstanding properties and high ability to CO2 …

HA Abdel-Gawwad, AM Rashad… - Journal of Building …, 2021 - Elsevier
In this paper, a simple eco-sustainable approach was applied to synthesize unfired building
bricks, in which cement kiln dust (CKD), red clay brick waste (RCBW), and silica fume (SF) …

Towards a clean environment: the potential application of eco-friendly magnesia-silicate cement in CO2 sequestration

HA Abdel-Gawwad, HS Hassan… - Journal of Cleaner …, 2020 - Elsevier
The key point of this study is the fabrication of magnesia-based cement with promising
mechanical properties and high efficiency of CO 2-capture. The naturally occurring volcanic …

Analysis of vertical temperature gradients and their effects on hybrid girder cable-stayed bridges

H Tan, D Qian, Y Xu, M Yuan, H Zhao - Sustainability, 2023 - mdpi.com
The real temperature distribution within 24 h of the main beam in a single-tower hybrid beam
cable-stayed bridge is analysed according to its actual section and material parameters, as …

Evaluating the performance of high volume fly ash-blended-cement mortar individually containing nano-and ultrafine micro-magnesia

HA Abdel-Gawwad, KA Metwally, TA Tawfik… - Journal of Building …, 2021 - Elsevier
This work focuses on the individual impact of nano-and ultrafine micro magnesia (N–MgO
and UM-MgO, respectively) on the early performance of high volume fly ash (FA)-blended …

Hydration of reactive MgO as partial cement replacement and its influence on the macroperformance of cementitious mortars

T Gonçalves, RV Silva, J De Brito… - … in Materials Science …, 2019 - Wiley Online Library
A recent quest for more sustainable cement‐based construction materials has triggered the
pursuit of technically viable alternatives of cement, making reactive magnesium oxide (MgO) …

[HTML][HTML] Positive impact of ultra fine-ceramic waste on the physico-mechanical features and microstructure of white cement pastes composites

IM El-Kattan, MA Abdelzaher, AA Farghali - Journal of Materials Research …, 2020 - Elsevier
In our present work, the impact of ceramic wastes (CW) on chemical, physicomechanical
properties and microstructure of blended white cement (WC) was studied. In ceramic plants …

Influence of carbonation curing and nano-silica incorporation on compressive strength and micro-structural development of binary RMC-based systems

K Taj, B Akturk, S Ulukaya - Journal of Building Engineering, 2023 - Elsevier
Fresh-state properties, compressive strength, and microstructural properties of reactive MgO
cement-based (RMC) systems cured under accelerated carbonation or ambient conditions …