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...

Full description

Bibliographic Details
Authors: Pocoví Juan, Andrés, Pueyo Anchuela, Óscar, Gracia, Alberto, Casas Sainz, Antonio, Rico, Jesús, Pérez, Miguel
Format: article
Publication Date:2013
Country:España
Institution:Universidad de Huelva (UHU)
Repository:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Language:Spanish
OAI Identifier:oai:ariasmontano.uhu.es:10272/8777
Online Access:http://hdl.handle.net/10272/8777
Access Level:Open access
Keyword:Karst
Hazard
Geomechanical analysis
GPR
Riesgo
Análisis geomecánico
Description
Summary: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