Structural modelling, analysis, and evaluation of the historic buzlupinar bridge and recommendations for its reconstruction /

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2015

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Çabuk, Ezgi

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The Historic Buzlupınar Bridge is a timber pedestrian bridge, located in Buzlupınar Village, Rize, Turkey, which was constructed early in the 20th century and partially collapsed in 2008 at about 100 years of age. The wind loading was deemed responsible for the collapse of the bridge as stated by the locals. General Directorate of Highways has attributed special attention to Buzlupınar Bridge due to its rare value as a timber pedestrian bridge and has taken decision in 2012 to be rebuilt it again. In this thesis, the original architectural and structural characteristics of the bridge were studied as well as its current condition and interaction with the environment. Structural analysis and evaluation of the bridge was carried out both with hand calculations and Finite Element Model to investigate its structural behaviour under live loads, wind loads, and earthquake loads. The FEM was formed with SAP2000 using frame, shell, and solid elements. The critical failure modes for overturning of the bridge were checked. Material tests were done on new timber members for the reconstruction studies to determine the mechanical properties of the timber elements. Controlled shear and tension tests were carried out using nailed connections which will be used in the reconstruction project. Structural proposals were made for the reconstruction project considering the original structural and architectural features of the bridge. Furthermore, stabilization, monitoring, and maintenance recommendations were made, which would be helpful to prolong the service life of the structure. The investigation and reconstruction studies of the bridge are conducted by the General Directorate of Highways. The measured surveys, documentation of the bridge and reconstruction projects were made by Mukaddes Ataman (Bender Restoration). The proposals and recommendations made within the scope of this thesis might be helpful for the reconstruction project; however, provided as-is and does not burden the liability of structural design or restoration work.

Subject Keywords

Bridges, Wooden bridges, Structural analysis (Engineering)., Historic buildings

URI

http://etd.lib.metu.edu.tr/upload/12619574/index.pdf
https://hdl.handle.net/11511/25122

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

E. Çabuk, “Structural modelling, analysis, and evaluation of the historic buzlupinar bridge and recommendations for its reconstruction /,” M.Arch. - Master of Architecture, Middle East Technical University, 2015.