Comparison of the seismic-resistant behavior of A36 steel buildings designed by the DDBD method and the FBD method under SMF system

Authors

DOI:

https://doi.org/10.51372/gacetatecnica262.5

Keywords:

displacement design, conventional pushover, special moment frames, force method, displacement method, seismic micro zonation, BFP connection

Abstract

The seismic performance of a structural steel building designed using the Force Method (FDM) was compared with that of another using the Displacement Method (DDM) under the system of special moment-resistant frames in each microzone of the Barquisimeto-Cabudare Seismic Microzoning (SMM) ordinance. A regular archetype was established in plan and elevation, with four levels of 3 meters each, and three spans of 3 meters each for each analysis direction. The beams and purlins were IPE profiles, and the HEB columns were made of A36 steel grade with BFP beam-column connections. The results demonstrated that in SMM #1, the dimensions were established by the minimum requirements of the prequalified BFP connection for both methods, with identical seismic performance. For MSZ #2 and #5, the fundamental period of the structures coincided with the characteristic period of the soil, requiring more robust sections to avoid resonance and consequently obtaining identical earthquake-resistant behavior for both methods. In MZS #3, #4 and #6, both methods showed behavior close to yielding, but with less steel and story drifts when applying the MDD. MSZ #7 behaved similarly to the previous one, with the difference that the amount of steel was greater for the MDD. For MSZ #8 and #9, the MDD obtained behavior close to yielding, while in the MDF, the behavior was post-yielding with insignificant incursion into the inelastic range and repairable damage

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Author Biographies

David Alejandro Orellana Smith, Universidad Centroccidental Lisandro Alvarado

David Alejandro Orellana Smith, Universidad Centroccidental Lisandro Alvarado. Civil Engineer. Email: dorellanasmith@hotmail.com

Gino Giuseppe Pannillo Majano, Universidad Centroccidental Lisandro Alvarado

Gino Giuseppe Pannillo Majano, professor and researcher at the Universidad Centroccidental Lisandro Alvarado. Dean of Civil Engineering, Venezuela. PhD candidate in Engineering Sciences, majoring in Productivity, at the Universidad Nacional Experimental Politécnica Antonio José de Sucre, Venezuela. Email: gino.pannillo@ucla.edu.ve

References

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Published

2025-07-01

How to Cite

Orellana Smith, D. A., & Pannillo Majano, G. G. (2025). Comparison of the seismic-resistant behavior of A36 steel buildings designed by the DDBD method and the FBD method under SMF system . Gaceta Técnica, 26(2), 47-63. https://doi.org/10.51372/gacetatecnica262.5

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Section

Research articles