Interaction coefficient for resistance to fragmentation by GOST and EN test results

Julia Koreneva, Julija Shommet

Last modified: 2019-03-04

Abstract


There are many quality tests in Europe for aggregates used nowadays, and a lot tests methodology were used also in Eurasian and post-Soviet states, unfortunately tests results were not comparable and important data cannot be used in investigations and were almost lost. The aim of this research was to elaborate an interaction coefficient between resistance to fragmentation tested by EN standards using Los Angeles test methodology and GOST standard, which use cylindrical testing equipment. Elaboration were held with limestone and dolostone materials used as aggregates for concrete, as unbound and hydraulically bound materials, aggregates for bituminous mixtures and surface treatments for roads, airfields and other trafficked areas, in civil engineering works and road constructions. Requirements and properties of tested aggregates are presented in this paper as well and necessary correlation analysis were held using single factor of statistical possibility. According to this correlation by interaction coefficient, EN test results are interrelated with GOST test results and can be used for new properties investigations and comparison researching of aggregate materials quality. Achieved analytical results can be very useful for road engineers, constructors and geology service.

Keywords


road materials, testing methods, strength parameters, resistance to fragmentation, standardization systems, correlation methodology

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