Structural Load-Bearing Analysis

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• CASİM YAZICI

This study develops refined closed-form analytical solutions for accurately determining local buckling coefficients and corresponding critical local buckling stresses of rectangular hollow sections (RHSs) with web-dominant thickness under axial compression. A novel local buckling model is proposed using a reference-se…

This study presents an analytical method for effective cross-section design of cylindrical hollow columns under axial compression, based on the Buckling Postulate–Reference Solid Column approach. The aim is to ensure structural stability while optimising material use. A solid long column with the same material, dimens…

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Recently, cold-formed steel (CFS) structural systems have been increasingly used in building applications due to their lightweight characteristics, ease of fabrication, and efficient construction processes. Among these systems, built-up CFS columns are widely adopted to enhance load-carrying capacity; however, their a…

Abstract This study investigates the down-aisle seismic performance of a full-scale 3D cold-formed steel rack system using shaking table tests. The rack system was tested using scaled Northridge earthquake records, and the dynamic responses were evaluated during the test. The results demonstrated that the rack respons…

Abstract The experimental study investigates design parameters affecting the fatigue performance of bolted flange connections using accelerated laboratory tests at 60–70% of static capacity. Constant-amplitude loading R = 2 Hz was applied to large-diameter high-strength bolts (M36 and M39, Grade 8.8), considering vari…

Deniz tabanına çakılarak imal edilen ve monopile olarak adlandırılan çelik tekil kazıklı temeller, yapım kolaylığı, hızlı uygulanabilirliği ve ekonomik avantajları nedeniyle offshore rüzgar türbinlerinde en yaygın kullanılan temel türlerinden biridir. Günümüzde artan türbin kapasiteleriyle birlikte monopile çaplarının…

This study presents a comparative evaluation of Eurocode 3 (EN 1993-1-1) and ANSI/AISC 360 regarding design requirements for steel elements subjected to axial load and combined axial-bending compression. Especially for thin-walled rectangular section elements, the transition from Class 3 to Class 4 in Eurocode 3 compl…

Post-tensioning technology is particularly prominent for structures with long-span beams.The structural frame system is designed through an appropriate combination of prestressing and reinforcing steel, along with an optimal level of initial tendon stress.In this study, the effect of the mild steel amount on the seism…

Demountable shear connectors enhance the sustainability of steel–concrete composite structures by enabling reuse and recycling. Building on this concept, this thesis develops novel demountable shear connector designs that achieve high strength and stiffness with minimal energy consumption and cost, while prioritizing…

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