He is a prolific writer with more than a hundred research papers and reports to his name and has written a textbook on pressuremeters in engineering applications.
[1] Clarke worked briefly for a site investigation company upon his return to the UK in 1973 but left to research soil mechanics at Cambridge University.
[1] He moved away from full time research in 1984 to launch his geotechnical investigation firm, PM Insitu Techniques, leaving Cambridge the same year to return to Newcastle University as a lecturer.
[3] Since 2008 he has worked at Leeds University, where he is Associate Director of the Institute of Resilient Infrastructure, and lives in nearby Harrogate with his wife, Sandra.
[2] Clarke has published over a hundred research papers and reports and is the author of the textbook Pressuremeters in Geotechnical Design.