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Assessment of slow deformations and landslide modelling in the urban area through a multi-methodological approach

Journal of Earth Science 2024年

作者： Fabio Ietto Massimo Conforti Cristiano Tolomei federico cella Giuseppe Cianflone Università degli Studi della Calabria， Dipartimento di Biologia， Ecologia e Scienze della Terra (DiBEST)， Via P.Bucci， Cubo 15B， 87036 Consiglio Nazionale Ricerche (CNR)， Istituto di Ricerca per la Protezione Idrogeologica (IRPI)， Via Cavour INGV-Istituto Nazionale di Geofisica e Vulcanologia， Via di Vigna Murata 605 Università di Camerino， Scuola di Scienze e Tecnologia， Sez.Geologia， Via Gentile III da Varano 27

Slow-moving landslides are widespread in the Mediterranean area， causing damage to the exposed facilities and economic losses in many countries. The recognition of slow-moving landslides in urban areas is always a difficult task to deal with because the presence of buildings， infrastructures， and human activities usually conceals the morphological signs of these landslide activities. So， in the last decades， numerous researchers have shown new methodologies to deepen the studies of similar instability phenomena. The present research is based on an integrated approach to investigate the landslide boundaries， type of movement， failure surface depth， and vulnerability state of buildings in Rota Greca village (Calabria region， southern Italy) affected by a slow-moving landslide. For this purpose， multi-source data were acquired through geological and geomorphological surveys， recognition of landslide-induced damage on the built environment， subsurface investigations (e.g.， continuous drill boreholes， Standard Penetration Test， Rock Quality Designation index and inclinometer monitoring)， laboratory tests (direct shear tests on undisturbed samples)， geophysical survey， and InSAR-derived map of deformation rates. The complete integration of multi-source data allowed for the construction of reliable landslide modelling with relative geotechnical properties. In addition， the cross-comparison between surface deformation data by SAR images and severity damage level collected on the exposed buildings enabled to obtain the vulnerability map of the built area. In particular， the achieved goals highlighted two failure surfaces at about -13 and -25 m depth， causing a high vulnerability value for the buildings allocated in the central portion of the Rota Greca village. The knowledge acquired by the multi-approach can be used to manage and implement appropriate landslide risk mitigation strategies， providing helpful advice and best practices to state-run organisations and stakeholder

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Bevacizumab maintenance in metastatic colorectal cancer: How long?

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World Journal of Clinical Cases 2014年第11期2卷 717-723页

作者： Alfonso De Stefano Roberto Moretto Chiara Alessandra cella Francesco Jacopo Romano Lucia Raimondo Giovanni Fiore Francesca Di Pietro Stefano Pepe Sabino De Placido Chiara Carlomagno Department of Clinical Medicine and Surgery School of Medicine University of Naples "Federico II" 80131 Napoli Italy Department of Medicine School of Medicin and Pharmacology University of Salerno 84081 Baronissi (SA)Italy

The management of patients with non-progressive metastatic colorectal cancer after six months of treatment has not yet been codified. The most relevant concerns are the effectiveness of maintenance versus discontinuation, and the tolerability of prolonged treatment. Here we report the case of a 72-year-old man affected by colorectal cancer with lung metastases who achieved a complete response after receiving capecitabine, oxaliplatin and bevacizumab for six months, and bevacizumab alone for six months. Bevacizumab was continued as maintenance regimen for more than three years. It was discontinued because of an arthroplasty. Fifty-eight months after beginning first-line treatment, the patientremains free from relapse. Adverse effects were minimal and easily controlled.

关键词： Metastatic colorectal cancer Bevacizumab Maintenance

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