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Sub-categories of Concrete and Mortar: Admixtures


Alkali-Silica Reaction and High Performance Concrete
Answers the question if high-performance concrete is susceptible to alkali-silica reaction. The paper contains details on the alkali-silica reaction mechanism and the factors influencing it as well as an overview on available test methods (ASTM C1260 and C227). Besides an abstract the fulltext is available as PDF (24 pages, 1.3 MB).
Argument for Using Coarse Cements in High-Performance Concretes.
Investigation of the effects of particle size distribution and water-to-cement ratio on hydration kinetics. Printed in: Cement and Concrete Research, 1999. Besides an abstract, the fulltext is available as PDF (371 kB).
Assessment of Commercial Corrosion Inhibiting Admixtures for Reinforced Concrete
This report conveys the results of a three-part laboratory study of corrosion inhibiting admixtures in concrete. The abstract is available in HTML and the fulltext as PDF (1.4 MB).
Comparison of Concrete Rheometers
Comparison of measurements from five types of concrete rheometers (four of them are commercial available). The aim was to provide data to establish correlations among them.
Concrete with Greater Resistance to Acid and to Biogenic Sulfuric Acid Corrosion
Comparison on the resistance to biogenic sulfuric acid corrosion of mortars based on Portland cement and high-alumina cement. Informations about the stresses on the concrete in sewer systems and the formation of sulfuric acid by microorganisms and how to improve the resistance of concrete to attack by acid. [PDF, 1.9 MB]
Curing of High Strength Concrete Using Lightweight Aggregates
Report about tests with prewetted lightweight aggregates as a water supply in high strenght concrete. [PDF, 468 kB] [PDF]
Fresh Concrete Rheology - Recent Developments
An overview of the tests that are commonly used to measure the rheology of fresh concrete and methods to predict the flow of concrete from either compositon or laboratory tests. Materials Science of Concrete VI. Proceedings, 2001.
Influence of Mineral Admixtures on the Rheology of Cement Paste and Concrete
Rheological tests on cement paste were used to successfully select the type and dosage of mineral admixtures that improved concrete workability.

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