Rock slope stability and excavatability assessment of rocks at the Kapikaya dam site,Turkey |
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| Authors: | Zulfu Gurocak Selcuk Alemdag Musharraf M Zaman |
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| Institution: | 1. Departamento de Ingeniera Civil, Universidad de Alicante, Alicante, Spain;2. Risk Analysis Group, Institut des sciences de la Terre (ISTE), Facult des Gosciences et de l''Environnement, Universit de Lausanne, Switzerland;1. State Key Laboratory Base of Eco-hydraulic Engineering in Arid Area (Xi''an University of Technology), Institute of Water Resources and Hydropower Engineering, Xi''an University of Technology, 5, Jinhua, South Road, Xi''an, 710048, P. R. China;2. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, 20 Chegongzhuang West Road, Beijing 100048, P. R. China;3. China Renewable Energy Engineering Institute, 5 Liupukang South Road, Beijing 100120, P. R. China;1. Università degli Studi di Napoli Federico II, Largo San Marcellino 10, 80138 Napoli, Italy;2. Università degli Studi di Catania, Corso Italia 57, 95129 Catania, Italy;3. Via Timone Zaccanazzo 4, 95024 Acireale, CT, Italy;4. S.i. Geo, Piazza Municipio 6, 95015 Linguaglossa, CT, Italy;5. ANAS S.p.A. Sezione Compartimentale Catania, Via Basilicata 29, CT, Italy |
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| Abstract: | This paper presents the slope stability and excavatability assessment of rocks at the Kapikaya dam site that contains diabases. Both field and laboratory studies were carried out. The field study involved detailed discontinuity surveys. Laboratory tests were carried out to determine uniaxial compressive strength, Young's modulus, unit weight, point load strength index and shear strength parameters of discontinuities.Kinematical and numerical analyses were performed to determine right and left slopes at the dam site. According to kinematical analyses, the types of planar and wedge failure are not expected at the site. Also, shear strength reduction analyses was carried out using Phase2 for the right and left slopes at the dam site. According to results of numerical analysis, Strength Reduction Factor (SRF) of the right and left slopes are 8.08 and 6.5 respectively and any rotational failure will not occur. The excavation category of the diabases was determined as easy ripping for the right slope and easy-hard ripping for the left slope. |
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