Browsing by Author "Erkal, Aykut"
Now showing items 1-17 of 17
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A critical assessment of health and safety regulations and trainings in the construction industry of Pakistan
Wani, Khawaja Ahmed Wahaj (Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2024)[Construction Industry holds significance position with respect to its prominent impact on workers' Occupational Safety and Health (OSH). Pakistan’s construction industry has witnessed a prominent growth in its activities. ... -
Advantages of infinite elements over prespecified boundary conditions in unbounded problems
Erkal, Aykut; Laefer, Debra F.; Tezcan, Semih (Asce-Amer Soc Civil Engineers, 2015)This paper promotes the further development and adoption of infinite elements for unbounded problems. This is done by demonstrating the ease of application and computational efficiency of infinite elements. Specifically, ... -
Architectural appraisal and current condition assessment of Ottoman minarets in İstanbul
Al-Doori, Atyaf Akram Ahmed (Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2024)Minarets are considered one of the most prominent monuments that characterize Islamic architecture, which contributed to its prosperity. According to historical studies, the idea of minarets arose before Islam, and in ... -
Climate threats to the earth-built heritage of Scotland
Parkin, Simon J.; Adderley, W. Paul; Kennedy, Craig J.; Aktaş, Yasemin Didem; D'Ayala, Dina; Erkal, Aykut (Ice Publishing, 2015)The most significant concentration of surviving vernacular mudwall structures in Scotland is found in and around the town of Errol in the Carse of Gowrie. Mudwall, or cob, is particularly susceptible to climate-related ... -
Dynamic analysis using the superposition of modes and horizontal earthquake spectra: Comparison with static analysis in the example of a 20-storey building
Al-Janabi, Bashar Hammoodi Khalaf (Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2023)This thesis applied the three earthquake analysis methods for analysing the response for 20-storey building, the thesis provides a comparison study between dynamic and static analysis methods to evaluate the level of ... -
Effective expressions for the estimation of the first and third natural periods of minarets based on extensive and comprehensive parametric modal analyses
Erkal, Aykut; Hilmi, Zahraa Husham Ibrahim (Elsevier Ltd, 2025)This paper investigates the modal behaviour of minarets by conducting parametric modal analyses with a comprehensive set of geometric and material properties and critically proposes effective expressions to estimate the ... -
Efficient formulations for the prediction of natural periods of minarets through extensive parametric modal analyses
Hilmi, Zahraa Husham Ibrahim (Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2024)This study explores the dynamic behaviour of minarets through parametric modal analyses of an unprecedentedly large number of numerical models to establish efficient formulations for predicting the natural periods of ... -
Environmental performance assessment using monitoring and DVS testing
Aktaş, Yasemin Didem; D'Ayala, Dina; Erkal, Aykut; Stephenson, Victoria (Ice Publishing, 2015)It is now widely accepted that the adverse effects of climate change have become more visible over recent last decades, and current climatic trends suggest that more severe conditions are to follow. In relation to extreme ... -
Evaluation of environmental impact on historical stone masonry through on-site monitoring appraisal
Erkal, Aykut; D'Ayala, Dina; Stephenson, Victoria (Geological Soc Publ House, 2013)This paper presents the design and application of an environmental monitoring system on the historical site of Odda's Chapel in Deerhurst, Gloucestershire, UK, and the determination of hygroscopic behaviour of the original ... -
Impact of traffic-induced vibrations on residential buildings and their occupants in metropolitan cities
Erkal, Aykut (Svenciliste U Zagrebu, Fakultet Prometnih Znanosti, 2019)This paper evaluates and quantifies the adverse impact of traffic-induced vibrations on the structural systems of residential buildings and their occupants. To do this, istan-bul, one of the world's most populous and ... -
Interaction of vibrations of road and rail traffic with buildings and surrounding environment
Erkal, Aykut; Kocagöz, Muhammed Şerif (Asce-Amer Soc Civil Engineers, 2020)This paper analyzes measured triaxial vibrations of road and rail traffic on and around a typical residential masonry building in Istanbul and its response to adjacent ground-born vibrations through numerical modeling. ... -
Internal erosion and permeability of Na CMC-treated and PAM-treated geosynthetic clay liners
Özhan, Hakkı O.; Erkal, Aykut (2023)This paper investigates the occurrence of internal erosion and the variation of the permeability of geosynthetic clay liner (GCL) with respect to its geotextile component, polymer type and polymer amount added to its ... -
Laboratory testing of non-standard original historic building materials and related implications for conservation
Erkal, Aykut; D'Ayala, Dina (Geological Soc Publ House, 2015)For an assessment or an analysis of a historic building, determination of the material properties is always crucial. However, this is usually a challenging issue because material extraction from a historic building for ... -
Selection, production, and testing of scaled reinforced concrete models and their components
Laefer, Debra F.; Erkal, Aykut (Elsevier Sci Ltd, 2016)This paper presents considerations and procedures for the selection, production, and testing of small-scale, reinforced concrete frames to maintain geometric and kinematic similitude. To verify the proposed solutions, ... -
Transmission of traffic-induced vibrations on and around the minaret of little Hagia Sophia
Erkal, Aykut (Taylor & Francis Inc, 2017)Worldwide urbanization has caused heritage buildings to be in ever-closer proximity to heavily travelled roadways and railways. As an example of this, the minaret of Little Hagia Sophia was analyzed due to its historic ... -
Tren geçişlerinin Küçük Ayasofya Cami üzerinde ve yanındaki serbest zemin yüzeyinde oluşturduğu titreşimlerin deneysel olarak incelenmesi
Erkal, Aykut (2017)Kentleşmenin dünya çapında hızlı artışına paralel olarak, karayolu ve demiryolu trafiği de artmaktadır. Bunun sonucunda, özellikle şehir merkezlerinde yaygınlaşan demiryolu ağları, kültürel miras yapılarına son derece yakın ... -
Value and vulnerability assessment of a historic tomb for conservation
Erkal, Aykut; Özhan, Hakkı O. (Hindawi Ltd, 2014)Monumental tombs reflect various social, cultural, architectural, religious, economic, and engineering features of a community. However, environmental weathering, natural disasters, poor maintenance, vandalism, and misuse ...