期刊
ENGINEERING GEOLOGY
卷 116, 期 3-4, 页码 311-322出版社
ELSEVIER
DOI: 10.1016/j.enggeo.2010.09.012
关键词
Landslide; Clay; Slip surface; Displacement; Slope stability
资金
- Regione Basilicata
This paper describes the geometrical structure and the main kinematic features of an ancient and active landslide which develops in structurally complex formations of the Southern Apennines (Italy) a scaly clayey formation in the medium and lower part of the slope and a stratified marly-calcareous rock formation in the upper part The landslide 3D geometry was reconstructed by using topographic data stratigraphies from continuous coring boreholes and inclinometer data The analysis of the kinematic features was based on the measurement of deep and superficial displacements Laboratory tests were carried out to evaluate shear strength parameters It was found that in each investigated transversal section of the landslide channel the displacements can be considered uniform and that the decrease of the displacement rates from upslope to downslope mostly depends on the increase in the areas of transversal sections the soil discharge variations being slight Stability analyses confirmed that shear strength close to the residual value is available on the slip surface The large difference between residual strength and peak strength of the landslide material is consistent with the displacement uniformity (C) 2010 Elsevier B V All rights reserved
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