Análisis del riesgo kárstico en medios urbanos asentados sobre depósitos aluviales cementados (mallacán) en la Cuenca del Ebro (España)

Active karst processes in urban settings can represent a significative hazard for the population and to buildings and other facilities. In this work, an integrated analysis by means of geophysical survey, surficial analysis and geomechanical tests is presented. The obtained results permit to identif...

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Detalhes bibliográficos
Autores: Pocoví Juan, Andrés, Pueyo Anchuela, Óscar, Gracia, Alberto, Casas Sainz, Antonio, Rico, Jesús, Pérez, Miguel
Formato: artículo
Fecha de publicación:2013
País:España
Recursos:Universidad de Huelva (UHU)
Repositorio:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Idioma:español
OAI Identifier:oai:ariasmontano.uhu.es:10272/8777
Acesso em linha:http://hdl.handle.net/10272/8777
Access Level:acceso abierto
Palavra-chave:Karst
Hazard
Geomechanical analysis
GPR
Riesgo
Análisis geomecánico
Descrição
Resumo:Active karst processes in urban settings can represent a significative hazard for the population and to buildings and other facilities. In this work, an integrated analysis by means of geophysical survey, surficial analysis and geomechanical tests is presented. The obtained results permit to identify a collapsed geometry where the more sudden hazards are related to the noncollapsed marginal areas of the sinkhole. The geomechanical tests show a high alluvial resistance due to the partial carbonatic cementation with apparent higher stability. However, cementation allows the individualization and the propagation of underground cavities up to near-surface levels being the highest hazard to be analyzed in these contexts