The Effect of the Microstructure of Diabases from Greece and Cyprus on Their Engineering Characteristics and the Mechanical Behaviour of Concrete

This article presents, for the first time, the study of diabases from various ophiolite complexes from Greece and Cyprus to identify their performance as concrete aggregates. Within this scope, in the first step, diabase samples from four selected ophiolite complexes of Greece (Veria-Naousa, Edessa...

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Bibliographic Details
Published in:Buildings (Basel) 2023-02, Vol.13 (2), p.396
Main Authors: Petrounias, Petros, Giannakopoulou, Panagiota P., Rogkala, Aikaterini, Papalla, Arsinoe, Giamas, Vasileios, Lampropoulou, Paraskevi, Koutsovitis, Petros, Koukouzas, Nikolaos, Hatzipanagiotou, Konstantin
Format: Article
Language:English
Subjects:
Aggregates
Cement
Concrete
Concrete aggregates
Construction
Cyprus
diabase
Engineering
engineering geology
Greece
Laboratories
Magma
Mechanical engineering
Mechanical properties
Mineralogy
Ophiolites
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Summary:This article presents, for the first time, the study of diabases from various ophiolite complexes from Greece and Cyprus to identify their performance as concrete aggregates. Within this scope, in the first step, diabase samples from four selected ophiolite complexes of Greece (Veria-Naousa, Edessa and Guevgueli) and Cyprus (Troodos) were collected in order to estimate their suitability as concrete aggregates by means of their petrographic and physicochemical characteristics. In the next step, concrete specimens were prepared and their mechanical strength was measured in order to investigate their mechanical performance. Additionally, their petrographic characteristics in relation to the mechanical strength of the created concretes were investigated for the first time. Concrete specimens prepared by employing diabases from the Veria-Naousa and Guevgueli complexes as aggregates were reckoned as the most durable ones in contrast to those derived from the Edesssa complex and even more so than those from Cyprus, with the latter containing the most altered diabases (rodingitised). The overall conclusion of this research is that the engineering properties of the aggregates were dependent on their petrographic characteristics and hence they influenced the final mechanical behaviour of each produced concrete.
ISSN:2075-5309
2075-5309
DOI:10.3390/buildings13020396