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  • 1 Department of Construction Materials and Engineering Geology, Budapest University of Technology and Economics, Budapest, Hungary, karpati.laci@gmail.com
  • 2 H-1111, Budapest, Stoczek u. 2, Hungary
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Abstract

In June 2003 Hungary accepted the European Standard for Aggregates for Railway Ballast (MSZ EN 13450: 2003). The European norm, compared with the Hungarian Standard, also includes a new examination method called the micro-Deval method for railway ballast aggregates, which was previously not used in Hungary. This paper presents the test results of aggregates for railway ballast-producing quarries, according to newly accepted Standard. The test materials consist of andesite, basalt, dolomite and limestone. The results cover a significant range. The study was aimed at finding a relation between the testing methods, in order to reduce the testing procedure; however, no clear relationship was found.

  • E. Árpás Gy. Emszt M. Gálos L. Kárpáti 2006 Methodology of micro-Deval test for aggregates for railway ballast Építőanyagok 58/3 92 96.

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  • Emszt, Gy. 2006: Testing and standardization of Hungarian aggregates for railway ballast. — BSc thesis, BME. (In Hungarian.).

  • Gálos, M., L. Kárpáti, Gy. Emszt, E. Árpás 2006: Determination of strength parameters of aggregates for railway ballast according to EN 13450:2002. — Research report, BME, No. 30713-003-MG-025/2005. (In Hungarian.).

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  • Gálos, M., L. Kárpáti 2007: Experience about examination of aggregates for railway ballast. — 11th International Conference of Civil Engineering and Architecture, Csíksomlyó, pp. 8690. (In Hungarian.).

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  • S. Kahraman M. Fener 2007 Predicting the Los Angeles abrasion loss of rock aggregates from the uniaxial compressive strength Materials Letters 61 4861 4865.

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  • S. Kahraman O. Gunaydin 2007 Empirical methods to predict the abrasion resistance of rock aggregates Bulletin of Engineering Geology and the Environment 66 449 455.

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  • W.L. Lim G.R. McDowell 2005 Discrete element modelling of railway ballast Granular Matter 7 19 29.

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