Results 21 to 30 of about 4,951,536 (143)

Effect of harsh environment on cement mortar containing natural pozzolans

Case Studies in Construction Materials
This investigation aims to study the effect of the harsh environment on cement mortar containing pumice powder (natural pozzolana) as a partial substitute for ordinary Portland cement (OPC).
Abdullah M. Zeyad
doaj   +2 more sources

Effects of different supplementary cementitious materials on durability and mechanical properties of cement composite – Comprehensive review

Heliyon, 2023
Ordinary Portland cement is the highest produced cement type in the world, however its production is high energy consumption means expensive, huge natural resource consumptive, and creating high environmental pollution.
Tsion Amsalu Fode, Yusufu Abeid Chande Jande, Thomas Kivevele   +2 more
doaj   +1 more source

A Comparative Study on the Properties of Volcanic Rocks from the Aegean Islands, Greece, for Utilization as Pozzolanic Additives in Cement

Materials Proceedings, 2023
This comparative study investigates the pozzolanic potential of volcanic rocks sourced from the Aegean Islands, Greece, as additives in cement. The utilization of volcanic materials as pozzolanic additives has gained interest due to its ability to ...
Theodoros Sainis, Glikeria Kakali, Panagiotis Pomonis, Charalampos Vasilatos   +3 more
doaj   +1 more source

Effect of Volcanic Ash and Natural Pozzolana on mechanical properties of sustainable cement concrete: A comprehensive review

Case Studies in Construction Materials, 2023
Environmental degradation is on the rise due to escalating pollution caused by raw material depletion and the increasing demand for concrete products.
Hussein M. Hamada, Farid Abed, Salmia Beddu, AM Humada, Ali Majdi   +4 more
doaj   +1 more source

HIGH DENSITY POLYETHYLENE FILLED WITH POZZOLANA AS A POLYMER RADIATION PROTECTION MATERIAL [PDF]

, 2023
The radiation-protective properties of polymer composite materials based on high-density polyethylene with a filler made of natural pozzolana, as well as a binding agent in the form of vinyltrimethoxysilane were studied in this ...
Аладаилах, М. В., Гречишкин, Р. О., Grechishkin, R. O., Aladailah, M. W., Tashlykov, O. L., Ташлыков, О. Л., Самбурских, Д. C., Samburskikh, D. S.   +7 more
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Improvement of physical, mechanical and strength behavior of cohesive soils with natural pozzolana and brick dust [PDF]

, 2020
This research project seeks to improve soil properties through experimentation with geotechnical purposes. For this, will be used natural volcanic pozzolana in 5%, 10%, 15% and brick dust in 10% giving it a second reuse.
Fernandez, C., Chang, E., Villalta, J., Duran, G.   +3 more
core   +1 more source

Effet de la combinaison de la chaux et de la pouzzolane naturelle sur le compactage et la résistance des sols mous argileux Effect of the combination of lime and natural pozzolana on the compaction and strength of soft clayey soils

MATEC Web of Conferences, 2012
La stabilisation des sols mous a été pratiquée longtemps en mélangeant des ajouts, tels que le ciment, la chaux et les cendres volantes au sol pour augmenter sa résistance.
Kenai S., Harichane K., Ghrici M.
doaj   +1 more source

Pyroprocessing and the optimum mix ratio of rice husks, broken bricks and spent bleaching earth to make pozzolanic cement

Heliyon, 2019
This paper presents the findings of an experimental investigation on optimizing pozzolanic activity of a blend of Rice Husks (RH), Spent Bleaching Earth (SBE) and Broken Bricks (BB) to form pozzolana that would have pozzolanic activity comparable to ...
Protus Nalobile, Jackson Muthengia Wachira, Joseph Karanja Thiong'o, Joseph Mwiti Marangu   +3 more
doaj   +1 more source

Influence of supplementary cementitious materials in sustainability performance of concrete industry: A case study in Hong Kong

Case Studies in Construction Materials, 2021
Although the use of a few industrial by-products as supplementary cementitious materials (SCMs) is one of the most recognized solutions to produce more durable and sustainable concrete, cost-competitive supply of such materials is of great concern ...
Md. Uzzal Hossain, Yahong Dong, S. Thomas Ng   +2 more
doaj   +1 more source

The use of non-destructive tests to estimate Self-compacting concrete compressive strength

MATEC Web of Conferences, 2018
Until now, there are few studies on the effect of mineral admixtures on correlation between compressive strength and ultrasonic pulse velocity for concrete.
Djamila Boukhelkhal, Mohamed Guendouz
doaj   +2 more sources