oa Civil Engineering = Siviele Ingenieurswese - Die bepaling van die elastiese eienskappe van ballasmateriaal onder herhaalde belastings

Volume 24, Issue 4
  • ISSN : 1021-2000



In order to do a mechanistic analysis of the railway pavement structure it is important to establish the elastic characteristics of the ballast This paper descriptionbes the test methods used for determining these parameters as well as the factors which Influence the behaviour of ballast material under repetitive loading. Methods for the preparation of samples are discussed with relerence to aggregate grading and sample compaction. The effects of particle shape and size were also considered by the determination of a form and scale factor.

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