{"id":108986,"date":"2021-01-11T18:10:16","date_gmt":"2021-01-11T18:10:16","guid":{"rendered":"https:\/\/34.38.16.0\/?p=108986"},"modified":"2024-05-29T12:31:17","modified_gmt":"2024-05-29T12:31:17","slug":"upgrade-of-the-g-re-t-a-system-installed-on-the-parma-river","status":"publish","type":"post","link":"https:\/\/lsi-lastem.com\/es\/upgrade-of-the-g-re-t-a-system-installed-on-the-parma-river\/","title":{"rendered":"Upgrade of the G.Re.T.A. system installed on the Parma River"},"content":{"rendered":"\t\t
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Upgrade of the G.Re.T.A. system installed on the Parma River\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"G.Re.T.A.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Politecnico di Milano University, AIPO and LSI LASTEM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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At the end of\u00a0<\/span><\/span>December 2020<\/span><\/span>,\u00a0<\/span><\/span>LSI LASTEM has been\u00a0<\/span><\/span>granted<\/span><\/span>\u00a0<\/span><\/span>a\u00a0<\/span><\/span>significant<\/span><\/span>\u00a0<\/span><\/span>technological<\/span><\/span>\u00a0upgrade<\/span><\/span>\u00a0of one of the first\u00a0<\/span><\/span>G.Re.T.A<\/span><\/span><\/a><\/strong>. (Geo\u00a0<\/span><\/span>Resistivimeter<\/span><\/span>\u00a0for Time-<\/span><\/span>lapse<\/span><\/span>\u00a0Analysis) systems\u00a0<\/span><\/span>installed<\/span><\/span>\u00a0on the\u00a0<\/span><\/span>embankment<\/span><\/span>\u00a0of the Parma River in\u00a0<\/span><\/span>Colorno<\/span><\/span>, in the\u00a0<\/span><\/span>reclamation<\/span><\/span>\u00a0area of the\u00a0<\/span><\/span>Interregional<\/span><\/span>\u00a0Agency for the PO River (AIPO<\/a>).<\/span><\/span>\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Collaboration with the Politecnico di Milano and with AIPO <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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LSI LASTEM\u00a0<\/span>has<\/span>\u00a0<\/span>been<\/span>\u00a0<\/span>collaborating<\/span>\u00a0with\u00a0Politecnico\u00a0di Milano for over 6\u00a0<\/span>years<\/span>\u00a0for the\u00a0<\/span>prediction<\/span>\u00a0and\u00a0<\/span>prevention<\/span>\u00a0of\u00a0<\/span>hydrological<\/strong>\u00a0risk<\/strong>\u00a0in the\u00a0<\/span>context<\/span>\u00a0of\u00a0<\/span>levees<\/span>\u00a0monitoring.\u00a0<\/span>Geoelectric<\/span>\u00a0monitoring\u00a0<\/span>has<\/span>\u00a0<\/span>proven<\/span>\u00a0to be a\u00a0<\/span>winning<\/span>\u00a0<\/span>technology<\/span>\u00a0for\u00a0<\/span>recognizing<\/span>\u00a0<\/span>in\u00a0<\/span>advance<\/span>\u00a0<\/span>not<\/span>\u00a0<\/span>homogenous<\/span>\u00a0<\/span>seepages<\/span>\u00a0in the\u00a0<\/span>embankments<\/span>,\u00a0<\/span>piping<\/span>\u00a0<\/span>phenomena<\/span>, and the\u00a0<\/span>creation<\/span>\u00a0of\u00a0<\/span>cavities<\/span>.<\/span>\u00a0<\/span><\/p>

During<\/span>\u00a0the\u00a0<\/span>Fondazione Cariplo<\/span>\u00a0\u201cTech\u00a0<\/span>Levee<\/span>\u00a0Watch\u201d project and\u00a0<\/span>subsequently<\/span>\u00a0in the \u201cDilemma\u201d project of\u00a0 the\u00a0M<\/span>inistero\u00a0dell\u2019Ambiente\u00a0e\u00a0della\u00a0Tutela del\u00a0Territorio\u00a0e del Mare<\/span>, LSI LASTEM\u00a0<\/span>designed<\/span>\u00a0and\u00a0<\/span>installed<\/span>\u00a0the geo-<\/span>resistivity<\/span>\u00a0<\/span>meter<\/span>\u00a0for\u00a0<\/span>fixed<\/span>\u00a0<\/span>installations<\/span>\u00a0in\u00a0<\/span>critical<\/span>\u00a0<\/span>embankments<\/span>,\u00a0<\/span>named<\/span>\u00a0<\/span>G<\/span>.Re.TA<\/span>.<\/span>\u00a0<\/span><\/p>

The\u00a0<\/span>monitored<\/span>\u00a0<\/span>site<\/span>\u00a0<\/span>is<\/span>\u00a0<\/span>in<\/span>\u00a0<\/span>Colorno<\/span>, in the province of Parma, with a 94 m\u00a0<\/span>embankment\u00a0<\/span>monitoring\u00a0<\/span>s<\/span>pa<\/span>n<\/span>\u00a0of\u00a0<\/span>the Parma<\/span>\u00a0<\/span>river<\/span>\u00a0which has been<\/span>\u00a0<\/span>kept<\/span>\u00a0under control\u00a0<\/span>since<\/span>\u00a0<\/span>December<\/span>\u00a02018.<\/span>\u00a0<\/span><\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Colorno: the flood of 2017 <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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On 12<\/span>th<\/span>\u00a0of<\/span>\u00a0<\/span>December<\/span>\u00a02017 the city of\u00a0Colorno\u00a0<\/span>was<\/span>\u00a0hit by a\u00a0<\/span>disastrous<\/strong>\u00a0flood<\/strong>\u00a0<\/span>caused<\/span>\u00a0by the Parma\u00a0<\/span>River<\/span>,\u00a0<\/span>which<\/span>\u00a0<\/span>caused<\/span>\u00a0the\u00a0<\/span>flooding<\/span>\u00a0of the\u00a0<\/span>courtyard<\/span>\u00a0of the Royal Palace and the\u00a0<\/span>respective<\/span>\u00a0park, the\u00a0<\/span>main<\/span>\u00a0<\/span>square<\/span>\u00a0and the\u00a0<\/span>historic<\/span>\u00a0center\u00a0of the\u00a0<\/span>town<\/span>. The flood event\u00a0<\/span>had<\/span>\u00a0<\/span>also<\/span>\u00a0<\/span>damaged<\/span>\u00a0the\u00a0<\/span>embankments<\/span>\u00a0of the\u00a0<\/span>River<\/span>\u00a0<\/span>in\u00a0<\/span>two<\/span>\u00a0<\/span>site<\/span>s<\/span>, due to\u00a0<\/span>piping<\/span>\u00a0<\/span>phenomena<\/span>\u00a0<\/span>that<\/span>\u00a0<\/span>had<\/span>\u00a0<\/span>caused<\/span>\u00a0water to leak on the\u00a0<\/span>countryside<\/span>\u00a0side, with the\u00a0<\/span>flooding<\/span>\u00a0of\u00a0<\/span>nearby<\/span>\u00a0<\/span>houses<\/span>.<\/span>\u00a0<\/span><\/p>

The\u00a0<\/span>embankments<\/span>\u00a0of the Parma\u00a0<\/span>River<\/span>\u00a0<\/span>were<\/span>\u00a0<\/span>subsequently<\/span>\u00a0<\/span>analyzed<\/span>\u00a0with\u00a0<\/span>geophysical<\/span>\u00a0<\/span>techniques<\/span>\u00a0to\u00a0<\/span>evaluate<\/span>\u00a0the\u00a0<\/span>internal<\/span>\u00a0<\/span>structure<\/span>\u00a0of the\u00a0<\/span>levees<\/span>. One of the\u00a0<\/span>two<\/span>\u00a0<\/span>sites<\/span>\u00a0<\/span>damaged<\/span>\u00a0<\/span>during<\/span>\u00a0the flood\u00a0<\/span>was<\/span>\u00a0<\/span>chosen<\/span>\u00a0for the\u00a0<\/span>installation<\/span>\u00a0of the\u00a0<\/span>G.Re.T.A.<\/strong>\u00a0system<\/strong>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\nWhat does the G.Re.T.A. system do? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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G.Re.T.A<\/span>.\u00a0<\/span>is<\/span>\u00a0the\u00a0<\/span>most<\/span>\u00a0<\/span>effective<\/span>\u00a0and innovative\u00a0<\/span>solution<\/span>\u00a0for\u00a0<\/span>permanent\u00a0geoelectric<\/strong>\u00a0monitoring<\/strong>\u00a0of the\u00a0<\/span>conditions<\/span>\u00a0of large\u00a0<\/span>sections<\/span>\u00a0of the\u00a0<\/span>subsoil<\/span>. Th<\/span>e<\/span>\u00a0<\/span>instrument<\/span>\u00a0<\/span>remotely<\/span>\u00a0<\/span>measures<\/span>\u00a0the\u00a0<\/span>alterations<\/span>\u00a0over time of the\u00a0<\/span>resistivity<\/span>\u00a0<\/span>profile<\/span>\u00a0of the\u00a0<\/span>soil<\/span>,\u00a0<\/span>functional<\/span>\u00a0to the\u00a0<\/span>characterization<\/span>\u00a0in\u00a0<\/span>terms<\/span>\u00a0of water\u00a0<\/span>content<\/span>,\u00a0<\/span>presence<\/span>\u00a0of\u00a0<\/span>cavities<\/span>\u00a0or\u00a0<\/span>other<\/span>\u00a0<\/span>anomalies<\/span>. The system\u00a0<\/span>sends<\/span>\u00a0the data to a cloud software\u00a0<\/span>where<\/span>\u00a0<\/span>they<\/span>\u00a0are\u00a0<\/span>automatically<\/span>\u00a0<\/span>processed<\/span>\u00a0and\u00a0<\/span>where<\/span>\u00a0<\/span>it<\/span>\u00a0<\/span>is<\/span>\u00a0<\/span>possible<\/span>\u00a0to set\u00a0<\/span>alarm<\/span>\u00a0<\/span>thresholds<\/span>,\u00a0 after\u00a0<\/span>which<\/span>\u00a0<\/span>alert<\/span>\u00a0<\/span>messages<\/span>\u00a0are\u00a0<\/span>automatically<\/span>\u00a0<\/span>sent<\/span>.<\/span>\u00a0<\/span><\/p>

Electrical Resistivity Tomography<\/strong>\u00a0(ERT), on which the system is based, is an effective technology for analyzing the structural integrity of earth embankments, as it allows, in a non-invasive way, to underline non-homogeneities and, thanks to the monitoring, to show changes in soil properties over time.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\nSystem upgrade: how has monitoring been improved?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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At the end of\u00a0<\/span>December<\/span>\u00a0 2020 a\u00a0<\/span>technological<\/span>\u00a0upgrade of the monitoring station\u00a0<\/span>was<\/span>\u00a0<\/span>carried<\/span>\u00a0out, to\u00a0<\/span>adapt<\/span>\u00a0<\/span>it<\/span>\u00a0to\u00a0<\/span>all<\/span>\u00a0the\u00a0 technical\u00a0<\/span>improvements<\/span>\u00a0made by LSI LASTEM in the last\u00a0<\/span>two<\/span>\u00a0<\/span>years<\/span>.<\/span>\u00a0<\/span><\/p>

Among<\/span>\u00a0<\/span>the<\/span>m<\/span>, an\u00a0<\/span>improvement<\/span>\u00a0in the\u00a0<\/span>algorithm<\/span>\u00a0and in the\u00a0<\/span>current<\/span>\u00a0injection\u00a0<\/span>sequence<\/span>\u00a0made the\u00a0<\/span>measurements<\/span>\u00a0more\u00a0<\/span>stable<\/span>, the maximum\u00a0<\/span>injectable<\/span>\u00a0<\/span>current<\/span>\u00a0was doubled to\u00a0<\/span>allow<\/span>\u00a0<\/span>obtaining<\/span>\u00a0high\u00a0<\/strong><\/span>quality\u00a0resistivity\u00a0values<\/strong>\u00a0<\/span>even<\/span>\u00a0in\u00a0<\/span>depth<\/span>.<\/span>\u00a0<\/span><\/p>

The\u00a0<\/span>connectivity<\/span>\u00a0of the system\u00a0<\/span>was<\/span>\u00a0<\/span>enhanced<\/span>\u00a0to\u00a0<\/span>guarantee<\/span>\u00a0a\u00a0<\/span>stable<\/strong>\u00a0connection<\/strong>\u00a0of the\u00a0<\/span>instrument<\/span>\u00a0to the cloud and the\u00a0<\/span>possibility<\/span>\u00a0of\u00a0<\/span>reaching<\/span>\u00a0the station\u00a0<\/span>remotely<\/span>\u00a0for\u00a0<\/span>maintenance<\/span>.<\/span>\u00a0<\/span><\/p>

With the\u00a0<\/span>adaptation<\/span>\u00a0of the system to the\u00a0<\/span>most<\/span>\u00a0<\/span>modern<\/span>\u00a0release, the monitoring of the Parma River\u00a0<\/span>embankment<\/span>\u00a0<\/span>continues<\/span>\u00a0to be an\u00a0<\/span>important<\/span>\u00a0<\/span>help<\/span>\u00a0to\u00a0<\/span>prevent<\/span>\u00a0<\/span>instability<\/span>\u00a0and<\/span>\u00a0to<\/span>\u00a0<\/span>ensure<\/span>\u00a0<\/span>effective<\/span>\u00a0<\/span>operation<\/span>\u00a0of the\u00a0<\/span>structure<\/span>\u00a0<\/span>in a<\/span>\u00a0site with a\u00a0high\u00a0<\/strong><\/span>hydrogeological<\/strong>\u00a0risk<\/strong>.<\/span>\u00a0<\/span><\/p><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

At the end of December, LSI LASTEM has been granted a significant technological upgrade of one of the first G.Re.T.A. (Geo Resistivimeter for Time-lapse Analysis) systems installed on the embankment of the Parma River in Colorno, in the reclamation area of the Interregional Agency for the PO River (AIPO).<\/p>\n","protected":false},"author":1,"featured_media":107803,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1090],"tags":[],"class_list":["post-108986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-studies"],"yoast_head":"\nUpgrade of the G.Re.T.A. system installed on the Parma River - LSI LASTEM<\/title>\n<meta name=\"description\" content=\"Upgrade of the G.Re.T.A. system: LSI LASTEM has been granted a significant technological upgrade of one of the first G.Re.T.A.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lsi-lastem.com\/es\/upgrade-of-the-g-re-t-a-system-installed-on-the-parma-river\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Upgrade of the G.Re.T.A. system installed on the Parma River - 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