Results 121 to 130 of about 18,482 (315)

Concrete Pavement Mixture Design and Analysis (MDA): Factors Influencing Drying Shrinkage, TPF-5(205), 2014 [PDF]

open access: yes, 2014
This literature review focuses on factors influencing drying shrinkage of concrete. Although the factors are normally interrelated, they can be categorized into three groups: paste quantity, paste quality, and other ...

core  

Effect of some prepared superplasticizers (Cyclohexanone Based) on compressive strength and physico-chemical properties of oil well cement pastes

open access: yesEgyptian Journal of Petroleum, 2017
Two different superplasticizers particularly cyclohexanone formaldehyde sulfanilate (CFS) and cyclohexanone glyoxylic sulfanilate (CGS) were prepared; also, their effect on mechanical and physico-chemical properties of oil well cement was assessed.
I. Aiad   +4 more
doaj   +1 more source

Application areas of phosphogypsum in production of mineral binders and composites based on them: a review of research results [PDF]

open access: yes, 2018
The increase of the consumption of gypsum products in construction industry with a limited amount of natural gypsum deposits requires alternative sources of gypsum-containing raw materials.
Dvorkin, Leonid   +2 more
core   +1 more source

On effect of superplasticizers and mineral additives on shrinkage of hardened cement paste and concrete

open access: yesMATEC Web of Conferences, 2018
A model describing the variation in autogenous shrinkage and drying shrinkage of portland cement concrete, depending on the volume of aggregates and the shrinkage of hardened cement paste, is presented.
Nesvetaev Grigory   +2 more
doaj   +1 more source

The "greening" of the concrete industry : factors contributing to sustainable concrete [PDF]

open access: yes, 2006
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2006.Includes bibliographical references (leaves 40-41).The dawn of the new millennium has brought to light the environmental concerns of global ...
Kuntz, Lauren Midori
core  

Practical technical solution for clay-contaminated sands used in concrete

open access: yesMATEC Web of Conferences, 2017
Sand, whether natural or manufactured, shows in many instances varying degrees of high levels of clay contamination. This fact is encountered in different parts of the globe and can lead to serious problems in adjusting concrete mix proportions and ...
Estephane Pierre, Rieder Klaus-Alexander
doaj   +1 more source

Effects of superplasticizer on properties of calcined ginger nuts-based grouting material for earthen site cracks

open access: yesHeritage Science
Grout injection is an effective technique for repairing cracks in earthen sites. This study aims to address the challenges of Calcined Ginger Nuts (CGN)-based grout and enhance its engineering performance by investigating the compatibility of different ...
Xin Wen   +5 more
doaj   +1 more source

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