Monitoring the Performance of Unsaturated Soil Slopes |
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| Authors: | Charles W W Ng Sarah M Springman Eduardo E Alonso |
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| Institution: | (1) Department of Civil Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong;(2) Swiss Federal Institute of Technology (ETHZ), Zurich, Switzerland;(3) Universitat Politècnica de Catalunya, Barcelona, Spain |
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| Abstract: | Field monitoring is necessary for the geotechnical engineer to verify design assumptions. More importantly, the field data
may also be assembled into a comprehensive case record that is available for use when checking validity of any analytical
and numerical models. The ongoing process of back-analysis in unsaturated soil engineering can help to refine and improve
our understanding, providing guidance for future designs, where the effects of soil suction and hydraulic hysteresis are still
being explored. A range of recent field studies of the mechanisms of rainfall infiltration into slopes is presented. In addition,
some physical simulations of unsaturated soil slopes subjected to rainfall, rising ground water table and changes of moisture
in centrifuge model tests are reported. |
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| Keywords: | Field monitoring Unsaturated Slope Centrifuge |
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