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Dive into the research topics where Selcuk Alemdag is active.

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Featured researches published by Selcuk Alemdag.


Arabian Journal of Geosciences | 2015

Assessment of bearing capacity and permeability of foundation rocks at the Gumustas Waste Dam Site (NE Turkey) using empirical and numerical analysis

Selcuk Alemdag

In this study, the bearing capacity and permeability of andesite and andesitic breccia rock masses, forming the basement for Gumustas waste dam, planned as a rock fill housing, were evaluated using various empirical equations and numerical analysis. The total stress constituting over the basement caused through ore waste building up in the body of dam and reservoir was determined by a finite element method. Then, this stress was compared with bearing capacities calculated for the rock masses. The permeability of rock masses in dam site and the lake were appraised with pressure water test experiments (Lugeon method), performed within opened bore holes and finite element method (seepage analysis). Since chemicals seeping from waste dams into the ground water are of vital importance for human health and the environment, the dam body must be made completely impervious using upstream slope and reservoir geosynthetics.


Doğal Afetler ve Çevre Dergisi | 2018

Atık Barajı Rezervuarı ve Cevher Stok Alanlarında Asit Maden Drenajı (AMD) Oluşumunun Değerlendirilmesi: Gümüşhane Örneği

Enver Akaryalı; Mehmet Ali Gücer; Selcuk Alemdag

Dogal kaynaklarin kullanimi ile ilgili islemlerin basinda gelen madencilik faaliyetleri, isletmenin turune ve buyuklugune bagli olarak farkli boyutlarda gelisen cevresel etkilere ve bozulmalara neden olmaktadir. Bu etkilerin basinda, madencilik faaliyetleri sirasinda ve sonrasinda ciddi ekolojik riskler olusturan Asit Maden Drenaji (AMD) gelmektedir. AMD, sulfur iceren (ozellikle pirit, pirotin ve kalkopirit) cevher atiklarin, tipik olarak hava (oksijen) ve su iceren ortamlarda, yeralti suyu, yagmur ve akinti nedeniyle oksitleyici kosullara maruz kalmasi sonucu meydana gelen asit olusumunu ifade etmektedir. Bu calismada, Gumustas Madencilige ait isletme sahasi, cevher stok ve atik depolama alanlarinda AMD olusumunu belirlemeye yonelik islemler yapilmis ve AMD gelisme potansiyeli ile muhtemel AMD gelismesi durumunda alinacak tedbirler ortaya konmustur. Maden isletme alani, Eosen yasli andezit ve bazalt ile bu kayaclarin piroklastitlerinden olusan Alibaba Formasyonu icerisinde yer almaktadir. Yapilan calismalarda pH degerleri tum orneklerin I. sinif kita ici kaynak suyu ozelliginde oldugunu, macun pH ve sulfid (S -2 ) degerleri ise maden isletme sahasinda AMD potansiyelinin bulunmadigina isaret etmektedir. Ana ve iz elementlerin dusuk mobiliteye sahip olmasi ise bu durumu destekler niteliktedir. Tum orneklerde Net Notralizasyon Potansiyeli ( NNP) degerlerinin 20 kg CaCO 3 /ton’dan ve Notralizasyon Potansiyel Orani ( NPO) degerlerinin 2’den buyuk olmasi da potansiyel asit uretmeyen karakterde oldugunu gostermektedir. S -2 degerlerinin cok dusuk olmasi, soz konusu alanda kisa donem icerisinde asit kaya drenaji potansiyeli gerceklesmeyecegini isaret etmektedir. Buna ek olarak, stok sahasini gecirimsiz hale getirmek icin 50 cm kalinliginda gecirimsiz kil serilerek sikistirilmis, olusan dusey profil sonlu eleman ag sisteminde modellenerek su desarjlari belirlenmistir. Yapilan tum calismalar neticesinde maden isletme sahasinda kisa surede AMD olusumu beklenmedigi sonucuna varilmistir. Ancak, maden isletme alaninda, uzun surelerde muhtemel AMD olusumundan kaynaklanacak cevre kirliligi, yapilan calisma kapsaminda alinacak tedbirlerle onlenmis olacaktir.


Arabian Journal of Geosciences | 2014

A large and rapid planar failure: causes, mechanism, and consequences (Mordut, Gumushane, Turkey)

Selcuk Alemdag; Aykut Akgun; A. Kaya; Candan Gokceoglu


Engineering Geology | 2016

Modeling deformation modulus of a stratified sedimentary rock mass using neural network, fuzzy inference and genetic programming

Selcuk Alemdag; Zulfu Gurocak; Abdulkadir Cevik; Ali Firat Cabalar; Candan Gokceoglu


Engineering Geology | 2012

New considerations for empirical estimation of tensile strength of rocks

Zulfu Gurocak; Pranshoo Solanki; Selcuk Alemdag; Musharraf Zaman


Bulletin of Engineering Geology and the Environment | 2012

Assessment of permeability and injection depth at the Atasu dam site (Turkey) based on experimental and numerical analyses

Zulfu Gurocak; Selcuk Alemdag


Journal of African Earth Sciences | 2015

A simple regression based approach to estimate deformation modulus of rock masses

Selcuk Alemdag; Zulfu Gurocak; Candan Gokceoglu


Journal of African Earth Sciences | 2015

Utilization of the limit equilibrium and finite element methods for the stability analysis of the slope debris: An example of the Kalebasi District (NE Turkey)

Selcuk Alemdag; Ayberk Kaya; Mustafa Karadag; Zulfu Gurocak; Fikri Bulut


Journal of African Earth Sciences | 2015

A comparison of support systems obtained from the RMR89 and RMR14 by numerical analyses: Macka Tunnel project, NE Turkey

Mustafa Kanik; Zulfu Gurocak; Selcuk Alemdag


Bulletin of Engineering Geology and the Environment | 2016

Stability assessment of high-steep cut slope debris on a landslide (Gumushane, NE Turkey)

Ayberk Kaya; Selcuk Alemdag; Serhat Dağ; Zulfu Gurocak

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Ayberk Kaya

Recep Tayyip Erdoğan University

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A. Kaya

Gümüşhane University

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Ali Osman Yilmaz

Karadeniz Technical University

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Aykut Akgun

Karadeniz Technical University

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Fikri Bulut

Karadeniz Technical University

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