1. Climatic soil freezing modeled in centrifuge
- Author
-
Yang, Dan and Goodings, Deborah J.
- Subjects
Centrifuges -- Models ,Soil mechanics -- Models ,Soil temperature -- Models ,Structural engineering -- Models ,Structural stability -- Models ,Earth sciences ,Engineering and manufacturing industries ,Science and technology - Abstract
Experimental evidence is produced using two soils that support the hypothesis that small-scale models frozen on a centrifuge for several hours can simulate correctly full-scale soil freezing response developing in the field over one or more winters. This is not the case in small 1g models. The conclusion is based on three observations: first, that model data produce self-consistent results from tests conducted at different scales; second, that model thin sections show general scaling of ice formation; and third, that heave developing in the field under broadly similar conditions shows broadly similar heave characteristics. A small series of tests to investigate effects on heave of various temperature regimes that might exist in the field also is included.
- Published
- 1998