Statistical analysis of mechanical properties on the example of aggregates of Carpathian sandstones

• Autorzy: Hydzik-Wiśniewska Joanna , Bednarek Łukasz

Identyfikatory

DOI

10.2478/sgem-2020-0003

• Języki publikacji: EN

Abstrakty

EN

The constantly growing, broadly understood, construction industry requires the use of a large amount of aggregates. The construction of roads, motorways, railway lines and hydrotechnical structures requires the use of aggregates of high quality, which is primarily determined by mechanical properties. The basic parameters describing mechanical properties of aggregates are the Los Angeles (LA) fragmentation resistance coefficient and the Micro-Deval (M_DE) abrasion resistance coefficient. The LA and M_DE coefficients depend mainly on the type of rock and its physical and mechanical properties. This has been thoroughly researched and documented as evidenced by the abundant literature in the field. However, the correlation between LA and M_DE coefficients still gives rise to extensive discussions and some concerns. A number of publications demonstrate dependencies for various types of aggregates. Therefore, research was undertaken to present statistical analysis for one type of aggregate and one geological area. This article presents the results of the fragmentation resistance test in the Los Angeles drum and the abrasion resistance test in the Micro-Deval drum of aggregates from Carpathian sandstone deposits. Aggregate samples were divided into three groups according to the location of the deposits and the tectonic unit from which they originated. The obtained results were subjected to static analysis to fit the best mathematical function describing the relationship between the two parameters.

Słowa kluczowe

EN

aggregates; Los Angeles coefficient; Micro-Deval coefficient

• Wydawca: De Gruyter
• Czasopismo: Studia Geotechnica et Mechanica
• Rocznik: 2020
• Tom: Vol. 42, nr 4
• Strony: 366--375
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Hydzik-Wiśniewska Joanna

• AGH University of Science and Technology, Cracow, Poland

autor

Bednarek Łukasz

• AGH University of Science and Technology, Cracow, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).