Monitoring ground subsidence in urban environments: M-30 tunnels under Madrid City (Spain)
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| Format: | Artículo científico |
| Langue: | en |
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Universidad Nacional de Colombia
2015
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| _version_ | 1876444614071681024 |
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| author | E. Sillerico |
| author_facet | E. Sillerico |
| contents | Monitoring ground subsidence in urban environments: M-30 tunnels under Madrid City (Spain) E. Sillerico P. Ezquerro M. Marchamalo G. Herrera J. Duro R. Martínez Ingeniería tunnels subsidence urban areas Differential SAR Interferometry (DInSAR) Big cities improvement u sually requires the c o n struction of large un d e rground infrastructures, in order to ensure proper c o mmu - n i c ation and optimize ur b an use. Monitoring g round subsidences is therefore one of the main challenges in changing urban en - v i ronments. “Madrid Rio” project ( 2 0 0 3 -2008) is an effort to reclaim the river front l a nd and improve the busy M-30 be lt way th a t involved the construction of 7.93 km of tunnels underneath the sou t hern center of Madrid City. This paper presents a remote-sensing a p p roach to monitor groun d subsidences induced by t u n n e ling excavation. Persi stent Scatterers Interfer o metr y technique (PSI) was used to estimate su b sidence and displace ment time series from Synthetic Aperture Radar images, acquired bet ween August 2003 a n d April 2008 from E N VISAT. Remote sensed results were compared to traditional ext e n so metric measures, fi tt ing adequately for selected sectors. Spatial analysis o f d i splacements allowed evaluating im p a c ts of tunneling on surroundi n g b u il d ings and f acilities, h i g hlighting critical areas . The availability o f a spatial distribution of displacements in a time series all owed analyzing longitudinal , c ross-sectional and tempora l dynamics. Main limitations were the heterogeneous sp a tial distribution o f Pers istent Scatterers, th e a b sence of measurement points i n work areas, the threshold f o r velocity detection and low t e mpo ral resolution of ENVIS AT i ma ges. N e vertheless, these limitations of DInSAR for m o n i t o ring infrastructures ar e overcome by actual satellites, being a c o mplementary technique wi t h a n exceptional added valu e a n d temporal analysis . 2015 artículo científico 0120-5609 https://www.redalyc.org/articulo.oa?id=64340413005 en http://www.redalyc.org/revista.oa?id=643 Ingeniería e Investigación application/pdf Universidad Nacional de Colombia Ingeniería e Investigación (Colombia) Num.2 Vol.35 |
| format | Artículo científico |
| id | redalyc_64340413005 |
| institution | Redalyc |
| language | en |
| publishDate | 2015 |
| publisher | Universidad Nacional de Colombia |
| spellingShingle | Monitoring ground subsidence in urban environments: M-30 tunnels under Madrid City (Spain) E. Sillerico Ingeniería tunnels subsidence urban areas Differential SAR Interferometry (DInSAR) Monitoring ground subsidence in urban environments: M-30 tunnels under Madrid City (Spain) E. Sillerico P. Ezquerro M. Marchamalo G. Herrera J. Duro R. Martínez Ingeniería tunnels subsidence urban areas Differential SAR Interferometry (DInSAR) Big cities improvement u sually requires the c o n struction of large un d e rground infrastructures, in order to ensure proper c o mmu - n i c ation and optimize ur b an use. Monitoring g round subsidences is therefore one of the main challenges in changing urban en - v i ronments. “Madrid Rio” project ( 2 0 0 3 -2008) is an effort to reclaim the river front l a nd and improve the busy M-30 be lt way th a t involved the construction of 7.93 km of tunnels underneath the sou t hern center of Madrid City. This paper presents a remote-sensing a p p roach to monitor groun d subsidences induced by t u n n e ling excavation. Persi stent Scatterers Interfer o metr y technique (PSI) was used to estimate su b sidence and displace ment time series from Synthetic Aperture Radar images, acquired bet ween August 2003 a n d April 2008 from E N VISAT. Remote sensed results were compared to traditional ext e n so metric measures, fi tt ing adequately for selected sectors. Spatial analysis o f d i splacements allowed evaluating im p a c ts of tunneling on surroundi n g b u il d ings and f acilities, h i g hlighting critical areas . The availability o f a spatial distribution of displacements in a time series all owed analyzing longitudinal , c ross-sectional and tempora l dynamics. Main limitations were the heterogeneous sp a tial distribution o f Pers istent Scatterers, th e a b sence of measurement points i n work areas, the threshold f o r velocity detection and low t e mpo ral resolution of ENVIS AT i ma ges. N e vertheless, these limitations of DInSAR for m o n i t o ring infrastructures ar e overcome by actual satellites, being a c o mplementary technique wi t h a n exceptional added valu e a n d temporal analysis . 2015 artículo científico 0120-5609 https://www.redalyc.org/articulo.oa?id=64340413005 en http://www.redalyc.org/revista.oa?id=643 Ingeniería e Investigación application/pdf Universidad Nacional de Colombia Ingeniería e Investigación (Colombia) Num.2 Vol.35 |
| title | Monitoring ground subsidence in urban environments: M-30 tunnels under Madrid City (Spain) |
| topic | Ingeniería tunnels subsidence urban areas Differential SAR Interferometry (DInSAR) |
| url | https://www.redalyc.org/articulo.oa?id=64340413005 |