The mass stiffness of residual dolomite from large surcharge trials

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dc.contributor.author Jacobsz, S.W. (Schalk Willem)
dc.date.accessioned 2014-03-26T11:10:38Z
dc.date.available 2014-03-26T11:10:38Z
dc.date.issued 2013-02
dc.description.abstract In South Africa, the stiffness of dolomite residuum has traditionally been viewed as relatively low. For reasons of economy, available dolomite residuum stiffness data mostly stem from plate load tests on each of the materials forming the residual profile, typically chert gravels and wad, rather than on the actual mix of materials that typically occurs in situ. This paper presents back-calculated stiffness values from a series of large-scale surcharge trials carried out in Centurion, south of Pretoria, for the Gautrain Rapid Rail Project. It is shown that the mass stiffness of the residual dolomite profile is significantly higher than the traditionally recognized values of its constituents, allowing the viaducts for the Gautrain south of Pretoria to be founded on dolomite residuum instead of bedrock. en_US
dc.description.uri http://qjegh.geoscienceworld.org/ en_US
dc.identifier.citation Jacobsz, SW 2013, 'The mass stiffness of residual dolomite from large surcharge trials', Quarterly Journal of Engineering Geology and Hydrogeology, vol. 46, no. 2, pp. 75-86. en_US
dc.identifier.issn 1470-9236 (print)
dc.identifier.other 10.1144/​qjegh2012-036
dc.identifier.uri http://hdl.handle.net/2263/37144
dc.language.iso en en_US
dc.publisher The Geological Society of London en_US
dc.rights © 2013 by The Geological Society of London en_US
dc.subject South Africa en_US
dc.subject Dolomite en_US
dc.subject Large surcharge trails en_US
dc.subject Stiffness of residual dolomite en_US
dc.title The mass stiffness of residual dolomite from large surcharge trials en_US
dc.type Postprint Article en_US


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