There are several equations for the shear strength of unsaturated clay. Which is best? How do you get the numbers to put into them? How do you use them for design? This talk is a journey, starting with a trip down memory lane, traversing steep cuttings while retaining a sense of humour, then landing on firm footings and ending with surprises.
About Richard Herraman
Richard has managed the Geotechnical Engineering Group of the Department of Planning, Transport and Infrastructure in South Australia for about 15 years. As his group mostly deals with bridge footings and earthworks in Adelaide he spends a lot of time thinking about unsaturated clay.
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