Results 111 to 120 of about 4,574,504 (206)

Natural volcanic pozzolan-and granulated blast furnace slag-based alkali-activated repair mortar [PDF]

open access: yes, 2019
An alkali-activated binary mortar (AABM) was studied as a possible alternative to traditional surface protection systems (coatings) or repair materials.
Jesus, Carlos Manuel Gonçalves   +3 more
core   +2 more sources

Evaluation of Portland pozzolan blended cements containing diatomaceous earth

open access: yesCerâmica
Clinker replacement by supplementary cementitious materials (SCMs) is one strategy to reduce CO2 emissions of cement industry. Diatomaceous earth, a natural pozzolan, has been used as SCM.
P. C. R. A. Abrão   +2 more
doaj   +1 more source

Engineering properties of alkali-activated natural pozzolan concrete

open access: yes, 2011
The development of alkali-activated binders with superior engineering properties and longer durability has emerged as an alternative to ordinary portland cement (OPC).
Bondar, Dali
core   +2 more sources

Beyond Burnt Bricks: Reassessing Otukpo Soil for Sustainable Construction Applications

open access: yesConstruction Materials
The Otukpo Burnt Brick Factory has remained dormant for more than three decades despite repeated government interventions. In this context, the present study investigates the suitability of soils from Otukpo, Benue State, Nigeria, for unfired brick ...
John Audu   +2 more
doaj   +1 more source

Effect of Natural Pozzolan and Waste Glass Powder on the Mechanical Properties of Mortars Containing Polypropylene Fibers Utilizing Response Surface Methodology

open access: yesBuildings
This research shows the combined effects of natural pozzolan (NP) and waste glass powder (WGP) on the mechanical strength of polypropylene fiber (PPF)-reinforced cement mortars.
Muhammad Iftikhar Khan   +3 more
doaj   +1 more source

Effect of Pozzolan Content and Fineness on Early Hydration of Interground Blended Cements

open access: yes, 2014
The chemical composition and heat evolution of 45 mu m ( coarse) portions of interground, natural pozzolan-blended cements were investigated. Cements with four different pozzolan contents were ground to 300 m(2)/kg, 500 m(2)/kg, and 600 m(2)/kg fineness
Derya Över   +6 more
core   +1 more source

Evaluation of zeolitized and vitreous tuffs located in the province of Holguín for use as a natural pozzolan in construction

open access: yesCiencia & Futuro, 2011
This work involves the evaluation of vitreous and zeolitized tuff present in the ore bodies of Sagua de Tánamo, Guaramanao, Caimanes and San Andrés, based on chemical and granulometric characterizations and flexotraction and compression resistance of ...
Yunier Pérez-Rodríguez
doaj  

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