The effect of using fly ash on the strength and hydration characteristics of blended cements

Y Kocak, S Nas - Construction and Building Materials, 2014 - Elsevier
The present study is aimed at investigating the combined effects of the compressive strength
and hydration development of blended cements which contain fly ash. In the first stage …

[HTML][HTML] Innovative one-part Alkali activated binder from activator derived from agricultural waste: Synthesis and application for sustainable construction

AK Nassar, P Kathirvel, G Murali, T AlQemlas… - Results in …, 2024 - Elsevier
Commercial powder activators are commonly used to produce one-part alkali-activated
binders (AAB) despite their manufacturing method using more energy and generating more …

Effect of metakaolin substitution on physical, mechanical and hydration process of White Portland cement

A Subaşı, M Emiroğlu - Construction and Building Materials, 2015 - Elsevier
In this study characterizations of cementitious composites containing metakaolin were
examined via spectroscopic methods (XRD, DTA, TGA, FT-IR and SEM). Hybrid binders …

Influence of sodium-based activators and water content on the fresh and hardened properties of metakaolin geopolymers

IP Segura, PA Jensen, AJ Damø, N Ranjbar… - SN Applied …, 2022 - Springer
Several studies explore optimal molar oxide ratios for metakaolin geopolymer production.
However, there is not a consensus on the optimal mix, and within similar range large …

Investigation of the natural pozzolans for usage in cement industry

N Cobîrzan, AA Balog, E Moşonyi - Procedia technology, 2015 - Elsevier
One of the most important aspect of selecting the proper natural pozzolanic material as
admixture of Portland cement in concrete or mortars is the chemical reactivity and …

Regularized density-driven damage mechanics model for failure analysis of cementitious composites

Y Zhu, A Fascetti, S Giesler, P Murru… - Journal of Engineering …, 2024 - ascelibrary.org
This paper presents the mathematical derivation and numerical implementation of a novel
regularized density-driven damage mechanics (D3M) model for simulating failure in …

Prediction of longevities of ZVI and pervious concrete reactive barriers using the transport simulation model

SO Ekolu, LK Bitandi - Journal of Environmental Engineering, 2018 - ascelibrary.org
This investigation involved a column study and model simulation to evaluate longevity of
zero-valent ion (ZVI) and pervious concrete (PERVC) reactive barriers for treatment of acid …

High immobilization of soil cesium using ball milling with nano-metallic Ca/CaO/NaH2PO4: implications for the remediation of radioactive soils

SR Mallampati, Y Mitoma, T Okuda, S Sakita… - Environmental …, 2012 - Springer
This report shows that cesium can be immobilized in soils with an efficiency of 96.4% by ball
milling with nano-metallic Ca/PO 4. In Japan, the major concern on 137 Cs deposition and …

Potential of Tanzanian natural pozzolans as geopolymer cement for oil and gas wellbore integrity

NL Patrick, MM Madirisha, RP Mtei - Construction and Building Materials, 2024 - Elsevier
Ensuring the integrity of oil and gas wellbores critically hinges on cement binding. This
paper presents findings of the untapped potential of Tanzanian natural pozzolans, namely …

Electromagnetic radiation detection from cubical mortar sample and its theoretical model

SK Sharma, A Kumar, VS Chauhan, R Kiran… - Materials Science and …, 2020 - Elsevier
Electromagnetic radiation (EMR) signals have been detected from cubical cement mortar
specimens during quasi-static compression and impact loading. In case of quasi-static …