Effect Of Water On Slope Stability And Investigation Of Ν Νw Drainage Techniques Applied To Sections Of Egnatia Odos.
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 5
Abstract
This study is to explore the drainage possibility of physical and technical landslide slopes, with the help of draining projects implementation, which operate without energy consumption and contribute significantly to their stabilization. We investigated the function, the general assumptions of application and the construction methodology of these new drainage techniques, i.e. the Drainage Gravel Piles. In addition, we investigated their applicability in a landslide area of Egnatia Odos: Section 3.1 (Peristeri - Anthochori), Area B (1+100-1+600), with the unsaturated background of a buried riverbed, and calculated the most suitable distance between them, in order to drain it. After observing their function and evaluating the results of our study, we reached some important conclusions such as: 1. The positive effect of drainage gravel piles on the drainage of a landslide area, in the presence of high water-bearing capacity aquifers within these materials and the existence of unsaturated permeable background, through the attainment of draining these landslide materials in this permeable background. 2. The groundwater drawdown and the reduction of pore pressure that they cause, in the landslide a, are inversely proportional to the distance between them and directly proportional to the depth which the landslide materials reach. 3. The drainage of a landslide area, highlighting failures in various positions without their hydraulic communication, is achieved by applying groups of drainage gravel piles in these sub-positions. 4. In the areas where landslide incidents are recurrently manifested and take up large areas, these drainage projects contribute to a greater extent than other measures to the stabilization of the situation and to further balance restoration.
Authors and Affiliations
Tzarouchi Sophia, Basile Christaras, Georgios Dimopoulo
Keywords
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