Zoning for flowslide and debris flow in pyroclastic soils of Campania Region based on “infinite slope” analysis |
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| Authors: | L Picarelli L Olivares B Avolio |
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| Institution: | aResearch Centre in Environmental Engineering, C.I.R.I.AM., Department of Civil Engineering, Seconda Università di Napoli, Via Roma 29, 80131Aversa, Italy;bNapoli, Italy |
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| Abstract: | Campania Region (Italy), one of the most densely populated areas in Europe, is probably the one with the highest risk of landslide. A large part of the region is covered by unsaturated cohesionless pyroclastic deposits subjected to rainfall-induced landslides. According to experience, these can display different features and magnitude. The most catastrophic landslides are liquefied debris flows which periodically occur on steep slopes, causing death and destruction in areas located downslope. Therefore, zoning of those areas which can be the source of liquefied debris flow is necessary. The paper reports some useful elements for zoning based on infinite slope analysis, accounting for the results of recent research on the mechanics of rainfall-induced landslides in pyroclastic soils. |
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| Keywords: | Pyroclastic soil Unsaturated soil Static liquefaction Flowslide Debris flow Zoning |
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