“Soil-structure Interaction: From Modelling to Observations” is set as the theme of the 35th Annual Seminar of the Geotechnical Division of the Hong Kong Institution of Engineers. The last time soil-structure interaction was chosen as the theme of HKIE Geotechnical Division’s Annual Seminar was in 1988. At that time, the industry was just starting to embrace the use of personal computers in their day-to-day work. Progress in technology since then has allowed much more powerful tools at our finger tips. Yet key to advancement in the understanding of soil-structure interaction behaviours are the development of theories and constitutive models, design methodologies, and their verification through testing and observations, which required the concerted effort of engineers both in the academia and in professional practice.
