Department of Civil Engineering, Article

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Recent Submissions

Effect of mixture proportioning on the strength and mineralogy of magnesium phosphate cements Bilginer, Baki Aykut; Erdoğan, Sinan Turhan (Elsevier BV, 2021-3) Magnesium potassium phosphate cement (MKPC) has properties advantageous over ordinary portland cement such as quick setting and rapid strength gain. Although the effect of mixture proportioning on MKPC pastes has been stud...
Integrated Probabilistic Delay Analysis Method to Estimate Expected Outcome of Construction Delay Disputes Bektas, Sinasi; Birgönül, Mustafa Talat; Dikmen Toker, İrem (2021-02-01) © 2020 American Society of Civil Engineers.Delays are almost inevitable in construction projects. They can have a devastating effects on the project. Therefore, proper analysis of delays and apportionment of liability is o...
Feasibility of pumped storage hydropower with existing pricing policy in Turkey Barbaros, Efe; Aydın, İsmail; Celebioglu, Kutay (Elsevier BV, 2021-02-01) Pumped-storage hydroelectricity (PSH) has been used worldwide as a means of energy storage for many years. Unlike many countries with pumped storage, Turkey has not needed a PSH facility until very recently since the exist...
Evaluating the performance of a WRF initial and physics ensemble over Eastern Black Sea and Mediterranean regions in Turkey Düzenli, Eren; Yücel, İsmail; Pilatin, Heves; Yılmaz, Mustafa Tuğrul (Elsevier BV, 2021-01-15) The physics- and initial-based ensemble approach for Weather Research and Forecasting (WRF) model is applied for predicting four different extreme precipitation events that occurred in summer and autumn over the two most f...
Influence of ground perlite on the hydration and strength development of calcium aluminate cement mortars Şengül, Kemal; Erdoğan, Sinan Turhan (Elsevier BV, 2021-01-10) © 2020 Elsevier LtdCalcium aluminate cement (CAC) concretes are desirable owing to their rapid strength development and resistance to high temperatures, sulfates and acids. They suffer two drawbacks, however, high cost and...
Assessing nonstationarity impacts for historical and projected extreme precipitation in Turkey Aziz, Rizwan; Yücel, İsmail (Springer Science and Business Media LLC, 2021-01-01) The temporal variability in yearly and seasonal extreme precipitation across Turkey is investigated using stationary and nonstationary frequency approach. Four frequency distributions namely, generalized extreme value (GEV...
Flow structure inside and around a rectangular array of rigid emerged cylinders located at the sidewall of an open channel Köken, Mete; Constantinescu, George (Cambridge University Press (CUP), 2021-01-01) Flow structure inside and around a rectangular array of emerged cylinders located adjacent to the sidewall of an open channel is investigated using eddy-resolving numerical simulations. This configuration is particularly r...
Performance comparison of BRBFs designed using different response modification factors Güner, Tuğberk; Topkaya, Cem (Elsevier BV, 2020-12-15) This paper presents details of the numerical examination and performance comparison of steel buckling restrained braced frames (BRBFs) designed with different response modification factors, using the next-generation perfor...
A review of the optimization studies for Savonius turbine considering hydrokinetic applications Maldar, Nauman Riyaz; Ng, Cheng Yee; Oğuz, Elif (Elsevier BV, 2020-12-15) © 2020 Elsevier LtdThe trend of utilizing renewable energy sources is witnessing a brisk growth around the world. Among the various sources of renewable energy, hydropower is considered the most favorable due to its high p...
Exploring the Relationship between Complexity and Risk in Megaconstruction Projects Erol, Huseyin; Dikmen, Irem; Atasoy Özcan, Güzide; Birgönül, Mustafa Talat (American Society of Civil Engineers (ASCE), 2020-12-01) © 2020 American Society of Civil Engineers.Although complexity and risk are inherent characteristics of megaconstruction projects, existing project management approaches fail to incorporate complexity-based thinking into r...
A smart contract system for security of payment of construction contracts Ahmadisheykhsarmast, Salar; Sönmez, Rifat (Elsevier BV, 2020-12-01) © 2020 Elsevier B.V.Timely payment of project participants is crucial for successful completion of construction projects, however the construction industry worldwide suffers from poor payment practices. The existing resear...
Bridge collapses in Turkey: causes and remedies Schaap, Hulya Sonmez; Caner, Alp (Informa UK Limited, 2020-12-01) Bridge collapses in Turkey have not been the subject of any comprehensive study so far. Investigations are often kept confidential for various reasons. As a result, most of the time only limited information can be found ab...
Experimental study on hybrid precast tunnel segments reinforced by macro-synthetic fibres and glass fibre reinforced polymer bars Tengilimoglu, Oguz; Akyüz, Uğurhan (2020-12-01) Increasing the popularity of using fibres in precast structures has brought questions about their usability in segmental tunnel linings as an alternative to the conventional reinforced lining. Most prior studies have alrea...
A photogrammetry based method for determination of 3D morphological indices of coarse aggregates Öztürk, Hande Işık; Rashidzade, Isfandiyar (Elsevier BV, 2020-11-30) Over the last half-century, various image-based methods have been developed to quantify the morphological indices of aggregates. The majority of these methods rely on two-dimensional (2D) imaging for practical reasons, whe...
Effects of potassium ferrocyanide used for desalination on lime composite performances in different curing regimes Ergenc, D.; Feijoo, J.; Fort, Rafael; de Buergo, Monica Alvarez (Elsevier BV, 2020-10-01) Negative effects of salt weathering on porous building materials will increase because of the global climate breakdown. The addition of crystallization modifiers as desalination technique has attracted considerable scholar...
Stress based fatigue performance and fatigue life prediction of Engineered Cementitious Composites Aleessa Alam, Burhan; Yaman, İsmail Özgür (2020-10-01) The ductile performance of Engineered Cementitious Composites (ECC) mixtures allows them to have a better fatigue life compared to traditional concrete. In this work, the effects of mineral admixtures and aggregate size...
Simulation of the in-plane structural behavior of unreinforced masonry walls and buildings using DEM Pulatsu, Bora; Erdogmus, Ece; Lourenço, Paulo B.; Lemos, Jose V.; Tuncay, Kağan (2020-10-01) In this study, a novel computational modeling strategy is proposed to estimate the lateral load capacity and behavior of unreinforced masonry (URM) structures. All commonly noted failure mechanisms are captured via the pro...
Influence of swell on undrained shear strength of expansive Ankara clay Deliktas, Ceren; Çokça, Erdal (Springer Science and Business Media LLC, 2020-09-01) Expansive clays cause problems throughout the earth, in particular for the locations in arid or semi-arid climate. Ankara (Turkey) is in semi-arid climate and change in moisture content of the reddish-brown expansive Ankar...
Prediction of potential seismic damage using classification and regression trees: a case study on earthquake damage databases from Turkey Yerlikaya-Ozkurt, Fatma; Askan Gündoğan, Ayşegül (Springer Science and Business Media LLC, 2020-09-01) Seismic damage estimation is an important key ingredient of seismic loss modeling, risk mitigation and disaster management. It is a problem involving inherent uncertainties and complexities. Thus, it is important to employ...
Comparison of Mechanistic-Empirical and Traditional Rigid Pavement Design Methods: Afyon-Emirdag Trial Section Öztürk, Hande Işık; Ozturk, Hande; Yaman, İsmail Özgür (Teknik Dergi, 2020-09-01) The first rigid pavement section in Turkey under the jurisdiction of General Directorate of Highways was designed as Jointed plain concrete pavement (JPCP) according to Belgian Catalog method. This design was compared with...