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Academy medal awarded to geotechnical revolutionary

University of Cambridge emeritus professor Andrew Schofield has been presented with the 2017 Sir Frank Whittle Medal by the Royal Academy of Engineers for his revolutionary impact on geotechnics.

andrew schofield

The Royal Academy of Engineers has said that Andrew Schofield was responsible for transformational research in soil mechanics and geotechnical engineering

In announcing the award, the academy said that Schofield was responsible for transformational research in soil mechanics and geotechnical engineering.

Swiss Federal Institute of Technology (ETH) Zurich professor of geotechnical engineering Sarah Springman said: “It is almost impossible to try to quantify the degree of Andrew Schofield’s legacy, from the ideas that characterise and promote design for a robust infrastructure and in the people who he has inspired, both in practice and in academia. Andrew Schofield has made a sustained and truly outstanding contribution to the field of civil engineering and is enormously worthy of the 2017 Sir Frank Whittle Medal”.

According to the academy, Schofield has been a leading voice in the field of soil mechanics and geotechnics since the 1960s and cites him as the engineer behind a geotechnical revolution.

The medal will be formally presented to Schofield at the Royal Academy of Engineering’s AGM on 5 September.

 

Career history: Andrew Schofield

University of Cambridge emeritus professor Andrew Schofield started his career as a young civil engineer in Nyasaland in the 1950s, before becoming a research student at Cambridge University.

In 1958 he co-authored a paper titled On the Yielding of Soils with Cambridge colleagues Kenneth Roscoe and Peter Wroth, which became a breakthrough publication. Inspired by the work of a Russian applied mathematician Vasily Sokolovsky, Professor Schofield approached the problem of predicting the behaviour of soil by studying the dissipation of energy required for the distortion of particulate materials, leading to the first mathematical model for plastic soil behaviour, which he called Cam-clay. In 1968 Professor Schofield published a book with Wroth, Critical State Soil Mechanics, that would transform generations of engineers’ understanding of the mechanical behaviour of sands, silts and clays.

He is recognised as having pioneered the use of centrifuge modelling for geotechnical and civil engineering applications. Recognising that the stresses and strains inside full scale earth structures could be replicated in miniature in a scale model subject to high acceleration in a laboratory centrifuge, Schofield led the development of new, world-leading facilities dedicated to modelling geotechnical and civil engineering structures including tunnels, trenches, dams, deep and shallow foundations and retaining walls.

Over the decades, the evidence from thousands of physical model tests contributed to the evolution of new design approaches and to the validation of numerical computer modelling tools for engineering practice. Schofield and his research teams developed miniature sensors for measuring pore water pressure in soils, enabling not only the movement but also the internal stress changes in the model to be measured and interpreted. The physical models provided extraordinary new insights into field problems ranging from the failure of levees to tunnel collapse and earthquake shaking.

Throughout his career Schofield has been a forceful advocate for basing geotechnical engineering methods in design and construction on a rigorous approach to the underlying mechanics. This journey took him all over the world, where he engaged with universities, governments and industry to offer new solutions to their geotechnical challenges. He welcomed students and visitors to his research centre at Cambridge, renamed on his retirement the Schofield Centre for Geotechnical and Construction Modelling.

He worked selflessly over the decades to export the technology and techniques he had developed, which are now used worldwide in university and industry research and practice and adopted by major organisations including Exxon (for developing offshore foundations for petroleum exploration) and the US Army Corps of Engineers (for modelling flood defences).

Schofield was elected a Fellow of the Royal Academy of Engineering in 1986, and of the Royal Society in 1992.

 

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