Assessment of the stability of critical landslide sites along the Hoa Trung Lake boundary road - Da Nang Hi-Tech Park
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Changes in water flow, combined with infrastructure development, have altered the natural land cover one of the major causes of erosion and instability in the area with significant impacts on socio-economic development" In this study, the research team developed a landslide hazard zoning map for the area surrounding Hoa Trung Lake and the Da Nang Hi-Tech Park, using the Analytic Hierarchy Process (AHP) method with seven factors: slope, rainfall, distance to roads, soil type, land use, topography, and geomorphology. The study also employed the GEO-STUDIO modeling suite to calculate stability coefficients for 14 representative cross-sections, under three heavy rainfall-induced disaster risk scenarios (Scenario 1, Scenario 2, and Scenario 3). The results indicate that cross-sections 1, 4, 5, 6, and 10 are at high risk of landslides under the rainfall conditions represented by Scenario 2 and Scenario 3.
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