All are invited to attend the 21st G.A. Leonards Lecture by Professor Giulia Viggiani, University of Cambridge, tomorrow, Friday afternoon: "Engineering Frozen Ground: Understanding the behaviour of soil on freezing and thawing" Where: Krannert Auditorium When: Friday, April 11 at 5:00 pm Details are in attachment. See you there. Philippe Dr. Philippe L. Bourdeau, Life M. ASCE, M. SIA, USSD, ISSMGE Professor Emeritus of Civil Engineering Purdue University, Lyles School of Civil and Construction Engineering Hampton Hall, 550 Stadium Mall Drive West Lafayette, Indiana 47907-2051, USA Phone: (+1) 765 494-5025 (Geotechnical Secretariat), (+1) 765 491-8307 (Cell) Email: bourdeau@purdue.edu<mailto:bourdeau@purdue.edu> Purdue Geotechnical Society: visit https://engineering.purdue.edu/PGS