Results 21 to 30 of about 85,498 (314)

Effect of Morphologically Controlled Hematite Nanoparticles on the Properties of Fly Ash Blended Cement

open access: yesNanomaterials, 2021
Several types of hematite nanoparticles (α-Fe2O3) have been investigated for their effects on the structure and properties of fly ash (FA) blended cement.
Pantharee Kongsat   +3 more
doaj   +1 more source

Mix-design and Properties of Mortars from Alkali-activated Fly Ashes Containing High Amounts of Unburned Carbon Matter

open access: yesInternational Journal of Concrete Structures and Materials, 2020
Alkali-activated materials are a promising type of binder candidate as a substitute to Portland cement. Fly ashes can be used as binder precursors giving higher environmental benefits.
Stefania Manzi   +3 more
doaj   +1 more source

RE-CYCLE OF E-WASTE IN CONCRETE BY PARTIAL REPLACEMENT OF COARSE AGGREGATE [PDF]

open access: yesEngineering Heritage Journal, 2019
A solution for reducing the amount of generated electronic waste in India has become one of a major issue. Globally this problem has taken major part of total solid waste amount.
Kuldeep Rajput,, Abhishek Gupta, Arushi
doaj   +1 more source

Optimising the Workability and Strength of Concrete Modified with Anacardium Occidentale Nutshell Ash

open access: yesFibers, 2021
Strength failure persists both in structural and mechanical analysis. One of its prominent characteristics is the adequate provision for parameters that minimise or maximise strength objectives while satisfying boundary conditions.
Solomon Oyebisi   +5 more
doaj   +1 more source

Managing the complexities of English Language teaching in engineering [PDF]

open access: yes, 2015
In this 21st century, engineering employers seek professional engineers who have excellent scientific knowledge and are able to demonstrate good communication and problem solving skills.
Mohamed, Mimi Nahariah Azwani
core   +1 more source

Treatment of end-of-life concrete in an innovative heating-air classification system for circular cement-based products [PDF]

open access: yes, 2020
A stronger commitment towards Green Building and circular economy, in response to environmental concerns and economic trends, is evident in modern industrial cement and concrete production processes.
Di Maio, F.   +4 more
core   +2 more sources

Workability for persons with chronic diseases. A systematic review of validity and utility of assessments in German language / Valide und praktikable deutschsprachige Assessments zur Erfassung der Arbeitsfähigkeit bei Menschen mit chronischen Erkrankungen – eine systematische Review

open access: yesInternational Journal of Health Professions, 2018
People with chronic diseases are often limited in their workability. Evaluating and enabling workability is central in rehabilitation. The aim of this study was to evaluate validity and utility of workability assessments in German for persons with ...
Friedli Thomas   +2 more
doaj   +1 more source

Effect of Water Magnetization Technique on the Properties of Metakaolin-Based Sustainable Concrete

open access: yesConstruction Materials, 2023
Using metakaolin (MK) in concrete with magnetized water (MW) has a high possibility to enhance concrete suitability. In this study, the effect of using MK and MW on concrete characteristics was studied through testing twelve concrete mixes.
Ahmed M. Elkerany   +3 more
doaj   +1 more source

Influence of a Multifunctional Admixture on the Workability and Mechanical Properties of Gypsum-Sand Mortar [PDF]

open access: yesE3S Web of Conferences
Gypsum-based mortars are common building materials, but their use is limited by low mechanical strength and an exceptionally rapid setting time. This study investigates the effects of a multifunctional, calcium carbonate-based powder admixture on a ...
Bouhayek Achraf, Cherkaoui Khalid
doaj   +1 more source

Towards more sustainable construction–application of superabsorbent polymers in cementitious matrices with reduced carbon footprint [PDF]

open access: yes, 2018
Construction industry is constantly searching for sustainable innovations to mitigate negative environmental impacts. Ground granulated blast-furnace slag (GGBS) is a well-known supplementary cementitious material which contributes to reduction of energy
Alekrish   +20 more
core   +4 more sources

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