Results 21 to 30 of about 106,905 (254)

Sustainable cement mortars [PDF]

open access: yesE3S Web of Conferences, 2018
The results described here on the basic technical parameters of cement mortars made from fine-grained concrete recyclate, ceramic recyclate, and slag, obtained from the incineration of municipal sewage sludge, demonstrate their usefulness in the production of building materials. Changes were introduced to the composition of cement mortars involving the
openaire   +2 more sources

Mechanical Properties and Microstructure of Polyvinyl Alcohol (PVA) Modified Cement Mortar

open access: yesApplied Sciences, 2019
The mechanical properties of cement mortars with 0~2.0% (by mass) polyvinyl alcohol (PVA) were experimentally studied, and the effects of PVA incorporation on the hydration products and microstructure of the cement mortar were determined with ...
Jie Fan   +3 more
doaj   +1 more source

USES OF DRY VINASSE AS A FRIENDLY ENVIRONMENTAL MATERIAL TO IMPROVE PROPERTIES OF CEMENT MORTAR AND CONCRETE [PDF]

open access: yesJES: Journal of Engineering Sciences, 2020
This study aims at using the sugar by-product (dry vinasse), as one of the concrete production requirements, instead of getting rid of them in vain. Dry vinasse was obtained by drying liquid vinasse at 250 ° C.
A. Megahed Ahmed   +2 more
doaj   +1 more source

A Study on Ordinary Portland Cement Blended with Rice Husk Ash and Metakaolin [PDF]

open access: yes, 2020
. This paper tries to investigate the effect of replacing Ordinary Portland cement (OPC) with Metakaolin (MK) and Rice husk ash (RHA) on the physicomechanical properties such as consistency, setting times, soundness and mortar compressive strength of ...
Ayeni, Sholaremi   +4 more
core   +2 more sources

Regression analysis and Vipulanandan model to quantify the effect of polymers on the plastic and hardened properties with the tensile bonding strength of the cement mortar

open access: yesResults in Materials, 2019
In this study, the impact of three different types of polymer on the flowability, consistency, setting time, density and mechanical properties of cement mortar were investigated. Three types of polymer with different percentage up to 0.25% (by dry weight
Warzer Sarwar   +2 more
doaj   +1 more source

Characteristics of Wood Ash Cement Mortar Incorporating Green-Synthesized Nano-TiO2

open access: yesInternational Journal of Concrete Structures and Materials, 2021
This paper presents the findings of an investigation into the influence of green-synthesized nano-TiO2 on the characteristics of wood ash (WA) cement mortar.
Bolanle Deborah Ikotun   +1 more
doaj   +1 more source

Effect of sulfoaluminate expansive additive on mechanical properties, internal relative humidity, and shrinkage of early-age mortar

open access: yesCase Studies in Construction Materials, 2023
Incorporating a suitable amount of sulfoaluminate expansive additive (SEA) into cementitious materials can compensate the shrinkage deformation. However, the influence of SEA on the relative humidity inside cementitious materials is still unclear.
Siming Liang   +5 more
doaj   +1 more source

Rheological properties of mortars prepared with different sands [PDF]

open access: yes, 2014
YesThe principal aim of this paper is to investigate the effect of sand grading, surface morphology, and content on the rheological properties—that is, yield stress and plastic viscosity—of fresh mortar. Mortars were produced from four different types of
Abdelgader   +11 more
core   +1 more source

Inhibition of Cracks on the Surface of Cement Mortar Using Estabragh Fibers

open access: yesAdvances in Materials Science and Engineering, 2013
The influence of adding Estabragh fibers into the cement composites of mortar on surface cracks and mechanical properties of mortar has been studied at various fiber proportions of 0.25%, 0.5%, and 0.75%.
Tahereh Soleimani   +3 more
doaj   +1 more source

Experimental Assessment of Using Micro-Non Air Bubble (MINAB) and Super-Plasticizer on Setting Time and Compressive Strength of Cement Mortar [PDF]

open access: yesJournal of Structural and Construction Engineering, 2021
One of the latest innovations in nano-technology is the use of Micro-Nano Air Bubbles (MINAB) as a substitute for water in concrete. Using MINAB as a substitute for water used in concrete can be used to improve the properties of concrete.
Jalil Shafaei   +2 more
doaj   +1 more source

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