Seismic behaviour of geotechnical structures. What lessons were learned
DOI:
https://doi.org/10.14195/2184-8394_100_19Keywords:
Acção sísmica, caracterização geotécnia, modelação física e matemática, efeitos locais, comportamento de estruturas geotécnicas, códigos, casos de obra, lições de sismos recentes, educação, centros de informação, desenvolvimentos futurosAbstract
This paper describes some topics related with seismic behaviour of geotechnical structures. The definition of seismic action is presented. The characterization of dynamic properties is referred. Toe advantages and limitations of physical models are analysed. To the mathematical models and their validation are analysed. The site effects are discussed. Toe slope stability, the evaluation of soil liquefaction potential, the behaviour of retaining walls, the soil structure interaction, the response of solid waste landfills and the behaviour of underground structures are discussed. The actual tendency to elaborate unified codes is referred. A brief analysis of case histories is presented. The lessons leamed by recent earthquakes are referred. Toe damages caused by earthquakes in geotechnical structures are analysed. Some considerations about the emergency plans and the role of Authorities are presented. The social economic impacts due earthquakes are referred. The education on earthquake geotechnical engineering is analysed. The role of Seismic Research Centres is referred. Some future trends are pointed out. A summary of conclusions is present ed.
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References
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