Determination and Comparison of Wind and Earthquake Responses of Reinforced Concrete Minarets

Türkeli̇, Erdem

doi:10.1007/s13369-014-0999-5

Cited by 11 publications

(10 citation statements)

References 17 publications

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“…As the procedures of the cited standards are open to public, there is no need to define all of the symbols in the wind load calculations. One can obtain the details of the wind loading calculations in these studies [55][56][57][58][59]. Also, in these wind load calculations, basic wind speed is taken as 45 m/s.…”

Section: Calculation Of Wind Loadsmentioning

confidence: 99%

- Dynamic Seismic and Wind Response of Masonry Minarets

Türkeli̇

2020

Period. Polytech. Civil Eng.

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Historical masonry structures i.e. minarets, towers, mosques or bastions are the heritage of past generations to the future societies as they carry the traces of the past communities. Among these structures, historical masonry minarets are one of the most generally constructed structure that reflects the beauty and magnificence of Islamic culture. Under severe winds and earthquakes, most of them were severely damaged or collapsed. Therefore, it is an inevitable duty for us to conduct and investigate their dynamic behavior under these vital actions of nature. In this study, the dynamic seismic and wind response of a historical minaret of İskenderpaşa Mosque that is selected from the technical literature is investigated by using different methods i.e. wind loading procedures of TS498, CICIND Model Code and Eurocode 1, the design spectrums of CICIND Model Code and Eurocode 8 for different types of soils, the time histories of real ground motions of Düzce and Kocaeli Earthquakes. At the end of the study, top joint displacements and stress distributions are obtained and interpreted. The findings of this study showed that the dynamic behavior of this historical masonry minaret is wind dominant (CICIND Model Code) and tensile and shear stress accumulations at the junction point of transition segment and cylindrical body of the minaret is the main reason for the collapse without showing any ductile behavior.

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Section: Calculation Of Wind Loadsmentioning

confidence: 99%

- Dynamic Seismic and Wind Response of Masonry Minarets

Türkeli̇

2020

Period. Polytech. Civil Eng.

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“…Therefore, the dynamic response of the representative minarets considered in this study was determined by considering the effect of SSI. Other than these, generally, the dynamic seismic response of RC minarets is studied without considering SSI effect (Örmecioğlu et al 2011, Türk and Coşgun 2012, Mortezaei et al 2012, Pekgökgöz et al 2013, Türkeli 2014, Ural and Fırat 2015, Clemente et al 2015, Basaran et al 2016, Erdoğan et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Comparative Dynamic Seismic Analyses of RC Minarets Strengthened with FRP and Buttresses

Türkeli̇

2020

Doğal Afetler Ve Çevre Dergisi

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In recent earthquakes occurred in Turkey, an unexpected number of reinforced concrete (RC) minarets were heavily damaged or collapsed causing loss of lives and economic damages. These structures can be counted as the most common constructed slender structures in Turkey. Therefore, the detailed behavior of these slender structures should be determined in order to strengthen the existing ones and construct safer and stronger RC minarets. In this study, the most common constructed types of RC minarets were analyzed under 17 August 1999 Mw 7.4 Kocaeli Earthquake for the determination of the effectiveness of strengthening techniques namely fiber reinforced polymers (FRP) and buttresses. Also, soil-structure interaction (SSI) is included in the dynamic seismic analyses of the minarets as proposed by Burman et al. (2012). At the end of the analyses performed, it was determined that FRP strengthening is more effective in enhancing the seismic response of RC minarets as the height of the minaret increases when compared with the buttress strengthening. Also, the stress demand locations predicted from the dynamic seismic analyses of the representative minarets were found to be consistent with the damages observed in recent earthquakes.

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“…Chen studied the extreme internal force of wind turbine with consideration of the softening non‐Gaussian characteristics of wind loads, concluding that non‐Gaussian characteristics should be taken into account in estimating extreme internal forces (such as moment and shear). Turkeli made structural wind analysis of high‐rise structures and clarified the weaknesses of these structures. For fatigue damage assessment, Do evaluated fatigue life of tower base based on Monte Carlo simulation and multibody dynamics.…”

Section: Introductionmentioning

confidence: 99%

Reliability analysis of wind turbines under non‐Gaussian wind load

Shuang

Song

2017

Structural Design Tall Build

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Summary Based on translation models, both Gaussian and non‐Gaussian wind fields are generated using the harmony superposition method for examining the reliability of a typical wind turbine at operational and parked conditions. Using the blade aerodynamic model and multibody dynamics, wind turbine responses are calculated and then probability characteristics are analyzed in details. The short‐term extreme response distribution is estimated by the average conditional exceedance rate method at each mean wind speed bin, and the long‐term extreme response distribution is then determined by further integrating the short‐term extreme response distribution conditional on wind speed with the distribution of mean wind speed. Additionally, crack initiation life and crack propagation life are evaluated using the linear cumulative damage theory and linear crack propagation theory, respectively. The results indicate that non‐Gaussian characteristics of wind inflows have a noticeably greater influence on both extreme response and fatigue damage, and the Gaussian assumption cannot suit wind turbine in complex terrain.

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Determination and Comparison of Wind and Earthquake Responses of Reinforced Concrete Minarets

Cited by 11 publications

References 17 publications

- Dynamic Seismic and Wind Response of Masonry Minarets

- Dynamic Seismic and Wind Response of Masonry Minarets

Comparative Dynamic Seismic Analyses of RC Minarets Strengthened with FRP and Buttresses

Reliability analysis of wind turbines under non‐Gaussian wind load

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