Aggregates in Concrete

Mark Alexander is Professor of Civil Engineering in the University of Cape Town. He holds BSc (Eng), MSc (Eng), and PhD degrees from the University of the Witwatersrand. His teaching and research interests are in cement and concrete technology, with experience in materials and application to design and construction. He head the Concrete Materials Research Group at UCT, where extensive work is being done on understanding problems of concrete durability. He has published extensively both in South Africa and abroad. He frequently acts as a specialist consultant to industry and the profession on concrete materials problems.

Sidney Mindess is Professor of Civil Engineering at the University of British Columbia, where he has taught since 1969. His teaching and research interests are primarily in cement and concrete technology, with a particular interest in fibre reinforced concrete and the behaviour of concrete under impact loading. He has published extensively, and is engaged in consulting on construction.