Cyclic loading of railway ballast under triaxial conditions and in a railway test facility

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dc.contributor.author McDowell, G. R. en
dc.contributor.author Aursudkij, B. en
dc.contributor.author Collop, Andy en
dc.date.accessioned 2012-08-14T09:52:47Z
dc.date.available 2012-08-14T09:52:47Z
dc.date.issued 2009
dc.identifier.citation Aursudkij, B, McDowell, G.R. and Collop, A.C. (2009) Cyclic loading of railway ballast under triaxial conditions and in a railway test facility. Granular Matter, 11 (6), pp. 391-401 en
dc.identifier.issn 1434-5021
dc.identifier.uri http://hdl.handle.net/2086/6819
dc.description.abstract A recently developed large-scale triaxial test apparatus for railway ballast testing comprises a double-cell arrangement for measuring volume change by differential pressure. Monotonic and cyclic tests were performed on limestone ballast samples. Axial and volumetric strains and breakage were determined from both types of test. Resilient modulus and Poisson’s ratio were obtained only from the cyclic tests. The permanent axial strain and breakage results from the cyclic tests are compared with the simulated traffic loading in the railway test facility (RTF) which comprises three sleepers embedded in ballast over a subgrade. The traffic loading in the RTF was applied by hydraulic actuators with built-in displacement transducers. A column of painted ballast was placed under a rail seat of the middle sleeper to ease sample collection for sieve analysis at the end of the test. The stress condition in the RTF is predicted by a simple calculation based on findings of previous literature. It was found that the results from the cyclic triaxial test with conditions similar to the predicted conditions in the RTF were comparable to those results from the RTF tests. en
dc.language.iso en en
dc.publisher Springer en
dc.subject Railway ballast en
dc.subject Cyclic loading en
dc.subject Laboratory testing en
dc.title Cyclic loading of railway ballast under triaxial conditions and in a railway test facility en
dc.type Article en
dc.identifier.doi http://dx.doi.org/10.1007/s10035-009-0144-4
dc.researchgroup DIGITS en
dc.peerreviewed Yes en
dc.ref2014.selected 1366964034_9411141001044_15_1


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