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Influence of the type and degree of alteration of andesite and dacite on the quality and life of asphaltic concrete

Influence de la nature et du degre d'alteration d'andesites et de dacites sur la qualite et la consistance des betons bitumineux

  • International Symposium on Aggregates
  • Theme IV Aggregates for Pavements
  • Published:
Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur Aims and scope Submit manuscript

Abstract

This report deals with the influence of alteration processes in andesite and dacite with special reference to those alterations and characteristics of stone having the greatest influence on the quality of asphaltic concrete mixes. Using andesites and dacites with extremely different properties for standard asphaltic mixes has proved that quality of the mixes very much depends on the quality of the stone aggregate used.

Properties of stone aggregate of different degree and type of alteration have a significant influence on the rheological characteristics of bitumen. Therefore, special attention has been paid to this influence.

Résumé

Ce rapport traite de l'influence des processus d'altération dans les andésites et les dacites, compte tenu de ces altérations et des caractéristiques des roches, qui ont une plus grande influence sur la qualité des bétons bitumineux.

Par le choix d'andésites et de dacites de mêmes gisements mais avec des caractéristiques très différentes, il est évident que la qualité du mélange hydrocarboné est essentiellement dépendante de la qualité du granulat utilisé. Les caractéristiques du granulat ont une influence importante sur les caractéristiques rhéologiques du béton bitumineux.

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References

  1. CMILJANIC S. (1982): Proucavanje vrste i stepena alterisanosti andezita kao gradjevinskog materijala u kamenolomu Rudnica Quarry), 10th Congress of Geologists of Yugoslavia, Book II, pp 49–56.

  2. RAMLJAK Z. (1981): Projektovanje asfaltnih mesavina za pripravu asfaltnog uzorka unapred definiranog sastava, Zbornik radova sa II jugoslovenskog simpozijuma o bitumeni i asfaltu (Designing Asphalt Mixes for Preparation of Asphalt Sample with Predefined Composition, Collection of Papers Submitted at 2nd Yugoslav Symposium on Bitumen and Asphalt), pp 147–156.

  3. SVETEL D., PAP. I., (1983): Mogucnost odredjivanja standardnih viskoznosti bitumena pomocu rotacionog voskozimetra (Determining Standard Viscosity of Bitumen Using Rotational Viscosimeter), Proceedints of 3 rd International Symposium on Hydrocarbonaceous Binders and Materials, pp 63–71.

  4. TRAXLER R.N., (1961): Asphalt: It's Composition, Properties and Uses, Reinhold Publishing Corporation, New York.

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Authors and Affiliations

  1. Institut des Ponts et Chaussées, 257, rue Kumodraska, 11000, Belgrade, Yougoslavie

    Opacic Dragan

Authors
  1. Cmiljanic Slobodan
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  2. Pap Imre
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  3. Opacic Dragan
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Slobodan, C., Imre, P. & Dragan, O. Influence of the type and degree of alteration of andesite and dacite on the quality and life of asphaltic concrete. Bulletin of the International Association of Engineering Geology 30, 41–45 (1984). https://doi.org/10.1007/BF02594275

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  • DOI: https://doi.org/10.1007/BF02594275

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