NDLI: High-performance concrete mix for an optimum protection in acidic conditions

Content Provider	Springer Nature Link
Author	Tamimi, A. K.
Copyright Year	1997
Abstract	High-performance concrete mixes, made with 10% silica fume and various percentages of pulvarized fly ash as an ordinary Portland cement replacement, were prepared and subjected to sulphuric and hydrochloric acid environments. This research was conducted in order to study the effect of various levels of replacement materials and to obtain the optimum mix possessing a maximum protection against acid attack. The parameter investigated was the time, in weeks, taken to cause 20% weight loss of fully-immersed concrete specimens in a 1% solution of sulphuric acid and the same amount of loss in a 1% solution of hydrochloric acid. The investigation indicated that the concrete consisting of 10% silica fume and a maximum of 60% pulvarized fly ash as an ordinary Portland cement replacement showed an optimum protection in the acidic environment.Des mélanges de béton de haute performance obtenus à partir de 10% de fumée de silice et de différents pourcentages de cendres volants (en substitution du ciment Portland ordinaire) ont été préparés et submergés dans des solutions contenant de l'acide sulfurique ou chlorhydrique. L'objet de ces recherches étaient d'étudier l'effet de différentes quantités de matériaux de substitution afin de déterminer le mélange optimal offrant la meilleure protection contre l'action de l'acide. Le paramètre étudié était le temps, exprimé en semaines, nécessaire pour occasionner 20% de perte en masse des échantillons de béton plongés dans une solution à 1% d'acide sulfurique ou à 1% d'acide chlorhydrique. L'étude a montré qu'un béton consitué de 10% de fumée de silice et de 60% de cendres volants au maximum (en substitution du ciment Portland ordinaire) offre une protection optimale dans un environnement acide.
Starting Page	188
Ending Page	191
Page Count	4
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	30
Issue Number	3
e-ISSN	18716873
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Theoretical and Applied Mechanics Structural Mechanics Mechanical Engineering Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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