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Quarterly Journal of Engineering Geology and Hydrogeology
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Quarterly Journal of Engineering Geology and Hydrogeology; 1975; v. 8; issue.2; p. 103-117;
DOI: 10.1144/GSL.QJEG.1975.008.02.02
© 1975 Geological Society of London

Article

Engineering geology of ‘d’ power station Yallourn, Australia

Francis Clifford Beavis

School of Applied Geology, University of New South Wales, , Kensington 2033, Australia.

Geological investigations for the ‘D’ extension to the Yallourn Power Station and auxiliary works are described. The investigation included field mapping, boring, and the field and laboratory testing of materials. Brown coal was an important material in the foundations. Under load it behaves as an elasto-plastic substance. On exposure the saturated coal dries out rapidly, with marked shrinkage. Drying of the brown coal resulted in cracking and the opening of joints and bedding separation surfaces.