Investigation of Resilience of Eccentrically Braced Frames Equipped with Shape Memory Alloys

• Autorzy: Pirmoghan Hamid , Khoshravi Hossein , Sadeghi Abbasali , Pouraminian Majid , Noroozinejad Farsangi Ehsan

Identyfikatory

DOI

10.2478/ceer-2022-0010

• Języki publikacji: EN

Abstrakty

EN

Nowadays, the use of smart materials in structures is a major concern to structural engineers. The act of benefiting from numerous advantages of these materials is the main objective of researches and studies focused on seismic and structural engineering. In the present study, in addition to the development of finite element models of several steel frames using ABAQUS software, the effect of shape memory alloys (SMAs) on superelastic behavior and the various types of eccentric braces will be checked. Moreover, it was observed that the use of SMAs within various types of bracing systems of steel frames leads to a decrease in the reduction factor of the frames. Also, the eccentric bracing in which SMAs are utilized in the middle of bracing led to the highest effect on reduction of lateral drift of the frames and decrease of reduction factor. The obtained results indicated that the application of smart materials led to increasing of strain energy and base shear of the first plastic hinge, which is followed by a decrease in the reduction factor of the frame.

Słowa kluczowe

EN

shape memory alloy; SMA; super-elastic behaviour; response modification factor; shape memory effect; reduction factor; seismic resilience

PL

stop z pamięcią kształtu; współczynnik modyfikacji; współczynnik redukcji; odporność sejsmiczna

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: Civil and Environmental Engineering Reports
• Rocznik: 2022
• Tom: Vol. 32, no. 1
• Strony: 176--190
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Pirmoghan Hamid

• Department of Civil Engineering, Semnan University, Semnan, Iran

autor

Khoshravi Hossein

• Department of Civil Engineering, Hakim Sabzevari University, Sabzevar, Iran

autor

Sadeghi Abbasali

• Department of Civil Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran

autor

Pouraminian Majid

• Department of Civil Engineering, Ramsar Branch, Islamic Azad University, Ramsar, Iran

autor

Noroozinejad Farsangi Ehsan

• Faculty of Civil and Surveying Engineering, Graduate University of Advanced Technology, Kerman, Iran

Bibliografia

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