Ratio between stone diameter and nominal diameter

Verhagen, H.J.; Jansen, L.

Ratio between stone diameter and nominal diameter

Report (2014)

Authors

H.J. Verhagen

L. Jansen

Department

Hydraulic Engineering

Rock diameter Rock size Nominal diameter

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Published Date

07-02-2014

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Source:

Communications on Hydraulic and Geotechnical Engineering 2014-01

Faculty

Civil Engineering and Geosciences

Department

Hydraulic Engineering

Abstract

For describing the relation between the grainsize and the nominal diameter (d50 vs. dn50) usually a factor 0.84 is used. This factor has been derived by Laan [1981] "De relatie tussen vorm en gewicht van breuksteen (the relation between shape and weight of pieces of rock), report MAW-R-81079". However, this original report cannot be retrieved any more. This study has collected new data to re-establish the background of the used factor 0.84.

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