Browsing by Author "Öztürk, Murat"
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Alkali activation of electric arc furnace slag: Mechanical properties and micro analyzes
Öztürk, Murat; Bankir, Müzeyyen Balçıkanlı; Bölükbaşı, Ömer Saltuk; Sevim, Umur Korkut (Elsevier, 2019)Research on sustainable concrete has drawn scientist's attentions on industrial by-products and wastes. Thus, consumption of raw materials would be diminished. In this study alkali activation of electric arc furnace slag ... -
Beton özelliklerinin elektromanyetik dalgalar yoluyla tespiti
Öztürk, Murat (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / İnşaat Mühendisliği Anabilim Dalı, 2017)Bu çalışmada; betonun elektromanyetik karakteristiği incelenerek dört farklı çalışma yapılmıştır. İlk çalışmada lifli beton içerisindeki liflerin yönünün ve dağılımının tespitinin elektromanyetik dalga kullanılarak hasarsız ... -
Capacitance-based stress self-sensing effectiveness of a model asphalt without functional component
Öztürk, Murat; Chung, Deborah Duen Ling (Elsevier, 2021)Capacitance-based self-sensing is shown for the first time on a pitch-based material, which serves as model asphalt. No functional component is involved. Compressive stress (5–1720 Pa) is sensed. The capacitance increases ... -
Capacitance-based stress self-sensing in asphalt without electrically conductive constituents, with relevance to smart pavements
Öztürk, Murat; Chung, Deborah Duen Ling (Elsevier, 2022)The capacitance-based stress self-sensing in asphalt without device or functional constituent incorporation is reported for the first time, with relevance to smart pavements. Stress sensing enables weighing. Without the ... -
Compressive strength prediction models for cementitious composites with fly ash using machine learning techniques
Sevim, Umur Korkut; Bilgiç, Hasan Hüseyin; Cansız, Ömer Faruk; Öztürk, Murat; Atiş, Cengiz Duran (Elsevier, 2021)In this study, it was proposed a novel prediction model to predict compressive strength of mortar samples having different properties. For this purpose, 8 different fly ashes were used in mortar mixture as a replacement ... -
Çelik lif ile güçlendirilmiş betonlarda lif yönünü ve dağılımını belirlemede yeni bir yaklaşım
Öztürk, Murat; Sevim, Umur Korkut; Akgöl, Oğuzhan; Karaaslan, Muharrem (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi, 2016)Beton, basınç dayanımı yüksek, çekme dayanımı düşük, gevrek bir malzemedir. Beton içerisinde lifli malzemelerin kullanılması betonun eğilme dayanımını, çekme dayanımını, darbe dayanımını, yorulma direncini, yangın ve ... -
DC electric polarization of cured cement paste being unexpectedly hindered by free water
Xi, Xiang; Öztürk, Murat; Chung, Deborah Duen Ling (Wiley, 2021)Electric polarization is basic to the dielectric behavior, which is pertinent to the science and applications of cement-based materials. This work reports the dynamics of the DC-current-induced electric polarization/depolarization ... -
Design of a linear to circular polarization converter integrated into a concrete construction for radome applications
Öztürk, Murat; Sevim, Umur Korkut; Altıntaş, Olcay; Ünal, Emin; Akgöl, Oğuzhan; Karaaslan, Muharrem; Sabah, Cumali (Cambridge University Press, 2021)In this paper, we present a linear to circular polarization converter integrated in a concrete structure to eliminate signal transmission problem originated from the concrete buildings in microwave regime. Two polarization ... -
Determination of physical properties of concrete by using microwave nondestructive techniques
Öztürk, Murat; Sevim, Umur Korkut; Akgöl, Oğuzhan; Ünal, Emin; Karaaslan, Muharrem (Applied Computational Electromagnetics Society (ACES), 2018)Determination of the electrical properties of concretes with different water/cement ratios and investigation of the relationship between their electrical and mechanical properties is a promising technique towards improving ... -
Effect of n-CaCO3 on fresh, hardened properties and acid resistance of granulated blast furnace slag added mortar
Bankir, Müzeyyen Balçıkanlı; Öztürk, Murat; Sevim, Umur Korkut; Depci, Tolga (Elsevier, 2020)Nano size CaCO3 (n-CaCO3) particles were used as an additive into the Ground Granulated Blast Furnace Slag (GGBS) added mortar to investigate their effects on fresh, hardened properties and acid resistance. Setting time, ... -
An electromagnetic non-destructive approach to determine dispersion and orientation of fiber reinforced concretes
Öztürk, Murat; Sevim, Umur Korkut; Akgöl, Oğuzhan; Karaaslan, Muharrem; Ünal, Emin (Elsevier, 2019)Including fibers in concretes improves their mechanical properties such as flexural strength, impact load resistance and limited crack propagation. The dispersion, orientation and types of the fibers placed in the concretes ... -
Electromagnetic skin depth of cement paste and its thickness dependence
Chung, Deborah Duen Ling; Öztürk, Murat (Elsevier, 2022)The skin depth delta describes the ability of electromagnetic radiation (particularly microwave) to penetrate a material. This ability is relevant to radar-related applications, electromagnetic interference shielding and ... -
Embedded smart sensor dipole antennas for real-time damage assessment, humidity, and temperature monitoring in reinforced and non-reinforced concrete structures
Öztürk, Murat (Cambridge University Press, 2022)In this study, a dipole antenna is designed for real-time damage assessment, humidity, and temperature monitoring in reinforced and non-reinforced concrete structures. The antenna-based sensor is embedded into reinforced ... -
Enhancing the electromagnetic interference shielding effectiveness of carbon-fiber reinforced cement paste by coating the carbon fiber with nickel
Öztürk, Murat; Chung, Deborah Duen Ling (Elsevier, 2021)The effectiveness of electromagnetic interference (EMI) shielding is valuable for construction materials and can be enhanced by the addition of carbon fiber to cement. This work reports for the first time that nickel coating ... -
Experimental verification of phononic crystal based on square arrays of cylindrical holes against seismic vibrations in full-scale systems: modeling, sensing and signal processing of seismic vibrations
Kaçın, Selçuk; Öztürk, Murat; Sevim, Umur Korkut; Karaaslan, Muharrem; Özer, Zafer; Akgöl, Oğuzhan; Mert, Bayram Ali; Ünal, Emin (Springer, 2021)In this study, phononic crystals reducing the earthquake effects will be determined and prototypes will be constructed which can give the opportunity to reduce the effects of seismic waves. Furthermore, test results will ... -
Experimental work on mechanical, electromagnetic and microwave shielding effectiveness properties of mortar containing electric arc furnace slag
Öztürk, Murat; Akgöl, Oğuzhan; Sevim, Umur Korkut; Karaaslan, Muharrem; Demirci, Mustafa; Ünal, Emin (Elsevier, 2018)It is well known that one of the widely used structural materials is ordinary cement mortar. Whereas the mechanical properties are sufficient as structural materials, its shielding effectiveness and prevention properties ... -
Farklı Konfigürasyonlarda Çelik Metamalzemeler Kullanarak Sismik Etkilerin Azaltılması
Kaçın, Selçuk; Sevim, Umur Korkut; Öztürk, Murat; Karaaslan, Muharrem; Demirci, Mustafa; Akgöl, Oğuzhan; ünal, Emin; Özer, Zafer; Başar, Mustafa Tunahan; Alkurt, Maide Erdoğan; Alkurt, Fatih Özkan; Mert, Bayram Ali; Kaya, Şeyda (Türk deprem araştırma dergisi (Online), 2021)Depremlerin yıkıcı etkilerini azaltmak için yapılan çalışmalar, son zamanlarda üzerinde durulan araştırma konuları arasındadır. Bu çalışmada, kare, üçgen, sinüs ve daire olmak üzere dört farklı saha dizisinde çelik met ... -
Geleneksel Yöntemlerle Üretilen Kapasitans Tabanlı Kendinden Sensörlü Çimento Esaslı Kompozit
Öztürk, Murat (Konya Mühendislik Bilimleri Dergisi, 2022)Bu çalışmada, çimento hamurunun kapasitans tabanlı kendiliğinden algılama özelliği incelenmiştir. Çimento hamurlarına sürekli ve süreksiz yükleme döngüleri (minimum gerilme 6 kPa, maksimum gerilme 36 kPa) uygulanmıştır. ... -
High-temperature effect on mechanical properties of fiber reinforced concretes including waste tire rubber
Öztürk, Murat; Bankir, Müzeyyen Balçıkanlı; Sevim, Umur Korkut (Wiley, 2022)In this paper, concretes including three different fiber types (carbon steel fiber [CSF], forta ferro fiber [FFF], and polypropylene fiber [PPF]) with different percentages by volume (0.5%, 1%, and 1.5%) and crumb rubber ... -
Investigation of mechanical and microstructural performance of alkali activated electrical arc furnace slag mortars
Öztürk, Murat; Sevim, Umur Korkut; Bankir, Müzeyyen Balçıkanlı; Bölükbaşı, Ömer Saltuk (International Advanced Researches and Engineering Journal, 2019)The production of Portland cement, resulting in the release of CO2 gas, excessive energy and natural resource consumption, has led to search for alternative materials with similar physical and mechanical properties to the ...
