UTILIZING CRUSHED LIMESTONE FINE WASTES IN ALGERIA AS FILLERS IN CEMENT

Auteurs-es

  • Z GUEMMADI Université Constantine1
  • H HOUARI Université Constantine1

Mots-clés :

Limestone fillers, Cement paste, Fineness, Mechanical resistance, Carboaluminate.

Résumé

In Algeria, more than thousand of aggregate crushing station produces annually about 68 million tons of aggregates, essentially of calcareous nature. Unfortunately, more than 20% of manufactured sands are
unsuitable to be used as construction sands because of their high fines content that largely exceed the current standard that limit the maximum value to 12%. Similarly, the limestone fillers, which also result from the limestone rocks crushing process, are regarded as inadequate residues and in consequence unexploited [1]. To improve the situation, it is important to improve all the aggregates and sands with a high filler content and more particularly sands and the limestone fillers itself. This has a favourable effect not only on the economy of the country but also the environment.
This paper shows the influence of the characteristics of Algerian limestone fine (proportioning, fineness) on the physical properties, the mechanical performance and durability of cements pastes made with various ratios of water to binder. Obtained results show that the replacement of part of cement by these limestone fillers can improve significantly the mechanical resistance, the workability. This study also shows that the limestone fillers not only have a physical effect but also an improved chemical activity by
producing new hydrated compounds such as the carboaluminates [2]

Bibliographies de l'auteur-e

Z GUEMMADI, Université Constantine1

Laboratoire de Matériaux et Durabilité des Constructions

H HOUARI, Université Constantine1

Laboratoire de Matériaux et Durabilité des Constructions

Références

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Bachiorrini A. "Interaction physico-chimiques entre l’aluminate mono calcique et différents carbonates au cours de l’hydratation". Thèse Doctorat Université Claude Bernard. Lyon I. 1985.

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Brown P. W., Franz E., Frohnsdorff G. and Taylor H.F.W. N.: "Analysis of the aqueous phase during early C3S hydration". Journal Cement and Concrete Research, N°14, pp 257- 262. Edition Pergamon 1986.

European Committee for Standardization, "Cement: Composition, Specifications and Conformity Criteria". Part 1: Common Cements, EN 197-1, EN/TC51/WG 6 rev., 2000.

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Vuk T, Tinta V, Gabrovek R, Kaucic V. "The effects of limestone addition clinker type and fineness on properties of Portland cement". Journal Cement and Concrete Research, N° 31(2001) 135–9.

Escadeillas G.: "Les ciments aux fillers calcaires : Contribution a leur optimisation par l’étude des propriétés mécaniques et physiques des bétons fillérisés". Thèse Doctorat de l’Université Paul SABATIER, Toulouse, 1988.

Guemmadi Z., Toumi B. Houari H.: "Behavior of limestone sand based concrete with variable filler content "International Congress Challenges of concrete Construction, pp12, Dundee, Scotland, 5 – 11 September 2002.

Guemmadi Z., Toumi B. Houari H: "The Optimal Filler Content Giving the Best Performances of Concrete" Session 1 – First International Conference $ Fourth Exhibition, pp 32- 41, September 29- October 1, Kuwait, 2003.

Tsivilis S, Chaniotakis E, Kakali G, Batis G. "Portland limestone cements: An analysis of the properties of limestone cements and concrete". Journal of Cement and Concrete Composite N° 24 (2002) 371–8.

Ramachandran VS. "Thermal analysis of cement components hydrated in the presence of calcium carbonate". Thermochim Acta 1988;127:385–94.

CIACH T .D., GILOTT J .E., SWENSON E. G., SEREDA P. J. : "Microstructure of calcium silicate hydrates". Journal of Cement and Concrete Research N°1, pp13 – 25. Edition Pergamon, 1971.

Helmuth R.A. : ”Structure and Rheology of Fresh Cement paste". Proceedings. International Conference on the Chemistry of Cement V7, pp 6-30. Paris, 1980.

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Publié-e

2004-06-29

Comment citer

GUEMMADI, Z., & HOUARI, H. (2004). UTILIZING CRUSHED LIMESTONE FINE WASTES IN ALGERIA AS FILLERS IN CEMENT. Sciences & Technologie. B, Sciences De l’ingénieur, (29), 17–22. Consulté à l’adresse https://revue.umc.edu.dz/b/article/view/252

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