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Örklemez, Ezgi / İlkentapar, Serhan / Durak, Uğur / Gulcimen, Sedat / Uzal, Nigmet / Uzal, Burak / Karahan, Okan / Atis, Cengiz Duran (2024): Characterizing boron-enhanced one-part alkaline-activated mortars: Mechanical properties, microstructure and environmental impacts. In: Construction and Building Materials, v. 426 (Mai 2024).
https://doi.org/10.1016/j.conbuildmat.2024.136078
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Küçükyıldırım, Enver / Yorulmaz, Hediye / Durak, Uğur / İlkentapar, Serhan / Uzal, Burak / Karahan, Okan / Atis, Cengiz Duran (2023): Reaction kinetics and properties of pumice-based geopolymer systems cured at room temperature. In: Construction and Building Materials, v. 409 (Dezember 2023).
https://doi.org/10.1016/j.conbuildmat.2023.134074
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Karahan, Okan (2011): Residual compressive strength of fire-damaged mortar after post-fire-air-curing. In: Fire and Materials, v. 35, n. 8 (Januar 2011).
https://doi.org/10.1002/fam.1074
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Karakaş, Hamza / İlkentapar, Serhan / Durak, Uğur / Örklemez, Ezgi / Özuzun, Sümeyye / Karahan, Okan / Atis, Cengiz Duran (2023): Properties of fly ash-based lightweight-geopolymer mortars containing perlite aggregates: Mechanical, microstructure, and thermal conductivity coefficient. In: Construction and Building Materials, v. 362 (Januar 2023).
https://doi.org/10.1016/j.conbuildmat.2022.129717
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Kaya, Mehmet / Karahan, Okan / Atis, Cengiz Duran (2022): Influence of Silica Fume Additive and Activator Ratio on Mechanical Properties in Slaked Lime-Based Alkali-Activated Mortars. In: Iranian Journal of Science and Technology, Transactions of Civil Engineering, v. 47, n. 2 (Juli 2022).
https://doi.org/10.1007/s40996-022-00960-4
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Durak, Uğur / İlkentapar, Serhan / Karahan, Okan / Uzal, Burak / Atis, Cengiz Duran (2021): A new parameter influencing the reaction kinetics and properties of fly ash based geopolymers: A pre-rest period before heat curing. In: Journal of Building Engineering, v. 35 (März 2021).
https://doi.org/10.1016/j.jobe.2020.102023
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Cellat, Kemal / Beyhan, Beyza / Güngör, Caner / Konuklu, Yeliz / Karahan, Okan / Dündar, Cengiz / Paksoy, Halime (2015): Thermal enhancement of concrete by adding bio-based fatty acids as phase change materials. In: Energy and Buildings, v. 106 (November 2015).
https://doi.org/10.1016/j.enbuild.2015.05.035
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Atabey, İsmail İsa / Karahan, Okan / Bilim, Cahit / Atis, Cengiz Duran (2020): The influence of activator type and quantity on the transport properties of class F fly ash geopolymer. In: Construction and Building Materials, v. 264 (Dezember 2020).
https://doi.org/10.1016/j.conbuildmat.2020.120268
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Durak, Uğur / Karahan, Okan / Uzal, Burak / İlkentapar, Serhan / Atis, Cengiz Duran (2021): Influence of nano SiO₂ and nano CaCO₃ particles on strength, workability, and microstructural properties of fly ash‐based geopolymer. In: Structural Concrete, v. 22 (Januar 2021).
https://doi.org/10.1002/suco.201900479
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Luga, Erion / Atis, Cengiz Duran / Karahan, Okan / İlkentapar, Serhan / Görür, Ela Bahsude (2017): Svojstva čvrstoće mješavina zgure/letećeg pepela aktiviranih pomoću natrijevog metasilikata. Strength properties of slag/fly ash blends activated with sodium metasilicate. In: Građevinar, v. 69, n. 3 (April 2017).
https://doi.org/10.14256/jce.1468.2015
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Atis, Cengiz Duran / Karahan, Okan / Ari, Kamuran / Sola, Ozlem Celik / Bilim, Cahit (2009): Relation between Strength Properties (Flexural and Compressive) and Abrasion Resistance of Fiber (Steel and Polypropylene)-Reinforced Fly Ash Concrete. In: Journal of Materials in Civil Engineering (ASCE), v. 21, n. 8 (August 2009).
https://doi.org/10.1061/(asce)0899-1561(2009)21:8(402)
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Haktanır, Tefaruk / Ari, Kamuran / Altun, Fatih / Karahan, Okan (2007): A comparative experimental investigation of concrete, reinforced-concrete and steel-fibre concrete pipes under three-edge-bearing test. In: Construction and Building Materials, v. 21, n. 8 (August 2007).
https://doi.org/10.1016/j.conbuildmat.2006.05.031
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Atis, Cengiz Duran / Karahan, Okan (2009): Properties of steel fiber reinforced fly ash concrete. In: Construction and Building Materials, v. 23, n. 1 (Januar 2009).
https://doi.org/10.1016/j.conbuildmat.2007.11.002
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Atis, Cengiz Duran / Bilim, Cahit / Çelik, Özlem / Karahan, Okan (2009): Influence of activator on the strength and drying shrinkage of alkali-activated slag mortar. In: Construction and Building Materials, v. 23, n. 1 (Januar 2009).
https://doi.org/10.1016/j.conbuildmat.2007.10.011
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Karahan, Okan / Hossain, Khandaker M. A. / Özbay, Erdoğan / Lachemi, Mohamed / Sancak, Emre (2012): Effect of metakaolin content on the properties self-consolidating lightweight concrete. In: Construction and Building Materials, v. 31 (Juni 2012).
https://doi.org/10.1016/j.conbuildmat.2011.12.112
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Lotfy, Abdurrahmaan / Karahan, Okan / Özbay, Erdoğan / Hossain, Khandaker M. A. / Lachemi, Mohamed (2015): Effect of kaolin waste content on the properties of normal-weight concretes. In: Construction and Building Materials, v. 83 (Mai 2015).
https://doi.org/10.1016/j.conbuildmat.2015.03.002
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Balcikanli, Muzeyyen / Turker, Hakan Tacettin / Özbay, Erdoğan / Karahan, Okan / Atis, Cengiz Duran (2017): Identifying the bond and abrasion behavior of alkali activated concretes by central composite design method. In: Construction and Building Materials, v. 132 (Februar 2017).
https://doi.org/10.1016/j.conbuildmat.2016.10.034
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Karahan, Okan (2017): Transport properties of high volume fly ash or slag concrete exposed to high temperature. In: Construction and Building Materials, v. 152 (Oktober 2017).
https://doi.org/10.1016/j.conbuildmat.2017.07.051
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Bilim, Cahit / Karahan, Okan / Atis, Cengiz Duran / İlkentapar, Serhan (2014): Effects of chemical admixtures and curing conditions on some properties of alkali-activated cementless slag mixtures. In: KSCE Journal of Civil Engineering, v. 19, n. 3 (Oktober 2014).
https://doi.org/10.1007/s12205-015-0629-0
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Karahan, Okan / Özbay, Erdoğan / Atis, Cengiz D. / Lachemi, Mohamed / Hossain, Khandaker M. A. (2016): Effects of milled cut steel fibers on the properties of concrete. In: KSCE Journal of Civil Engineering, v. 20, n. 7 (Januar 2016).
https://doi.org/10.1007/s12205-016-0577-3