Abstract
Results from a recently concluded experimental campaign on non-conforming reinforced concrete cantilever columns failing in both flexure and flexure-shear modes under five different load paths are used to discuss whether an energy-based failure criterion would be advantageous with respect to a deformation-based one. Based on the limited evidence of these 18 tests it appears that the relation between energy and damage, compared to that of drift ratio and damage, is influenced to a lesser extent by load path, but this only holds in some cases and cannot be generalized. In particular, the occurrence of any phenomenon that interrupts the stable energy dissipation mechanism through inelastic flexure leads to failure prior to the attainment of the energy threshold. This can occur in many practical situations indicating that it may not be feasible to use energy as a useful measure in the seismic assessment of existing frames.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Similar content being viewed by others
References
Blume, J.A.: A reserve energy technique for the earthquake design and rating of structures in the inelastic range. In: 2nd World Conference on Earthquake Engineering (1960)
Blume, J.A., Newmark, N.M, Corning, L.H.: Design of Multistory Reinforced Concrete Buildings for Earthquake Motions. Portland Cement Association (1961)
Fardis, M.N.: Capacity design: early history. Earthquake Eng. Struct. Dyn. 47(14), 2887–96 (2018)
Fajfar, P., Krawinkler, H. (eds.): Seismic Design Methodologies for the Next Generation of Codes. Taylor & Francis (1997)
European Committee for Standardization (CEN) EN1998-3 Design of Structures for Earthquake Resistance—Assessment and Retrofitting of Buildings (2005)
Panagiotakos, T.B., Fardis, M.N.: Deformations of reinforced concrete members at yielding and ultimate. Struct. J. 98(2), 135–48 (2001)
Biskinis, D., Fardis. M.N.: Deformations at flexural yielding of members with continuous or Lap-spliced bars. Struct. Concr. (2010)
Biskinis, D., Fardis, M.N.: Flexure-controlled ultimate deformations of members with continuous or lap-spliced bars. Struct. Concr. 11(2), 93–108 (2010)
Grammatikou, S., Biskinis, D., Fardis, M.N.: Flexural rotation capacity models fitted to test results using different statistical approaches. Struct. Concr. 19(2), 608–24 (2018)
Lignos, D.G., Hartloper, A.R., Elkady, A., Deierlein, G.G., Hamburger, R.: Proposed updated to ASCE 41 nonlinear modeling parameters for wide-flange steel columns in support of performance-based earthquake engineering. ASCE J. Struct. Eng. 145(9), 04019083 (2019). https://doi.org/10.1061/(ASCE)ST.1943-541X.0002353
Lignos, D.G., Hartloper, A.R.: Steel column stability and implications in the seismic assessment of steel structures according to Eurocode 8 part 3. Stahlbau 89(1), 16–27 (2020). https://doi.org/10.1002/stab.201900108
Lignos, D.G., Krawinkler, H.: Deterioration modeling of steel components in support to collapse prediction of steel moment frames under earthquake loading. ASCE J. Struct. Eng. 137(11), 1291–1302 (2011). https://doi.org/10.1061/(ASCE)ST.1943-541X.0000376
El Jisr, H., Elkady, A., Lignos, D.G.: Composite steel beam database for seismic design and performance assessment of composite-steel moment-resisting frame systems. Bull. Earthquake Eng. 17(6), 3015–3039 (2019). https://doi.org/10.1007/s10518-019-00564-w
European Committee for Standardization (CEN): Eurocode 8: Design of structures for earthquake resistance—Part 1-1: general rules and seismic action. Draft CEN/TC250/SC8/N969 (2020)
Lucchini, A., Melo, J.M., Arêde, A., Varum, H., Franchin, P., Rossetto, T.: Load path effect on the response of slender lightly-reinforced square RC columns under biaxial bending. J. Struct. Eng., submitted (2021)
Park, Y.-J., Ang, A.H.-S.: Mechanistic seismic damage model for reinforced concrete. J. Struct. Eng. 111(4), 722–39 (1985)
Acknowledgements
The tests in [12] have been carried out within a collaboration between University of Rome La Sapienza, the Faculty of Engineering at the University of Porto, and University College London. The Colleagues António Arêde and Humberto Varum from Porto, and Tiziana Rossetto from London, are gratefully acknowledged. The opinions expressed in this paper are only those of the authors.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2021 The Author(s), under exclusive license to Springer Nature Switzerland AG
About this paper
Cite this paper
Franchin, P., Lucchini, A., Melo, J.M. (2021). Reinforced Concrete Columns: Insight on Energy-Based Assessment from Biaxial Tests with Different Load Paths. In: Benavent-Climent, A., Mollaioli, F. (eds) Energy-Based Seismic Engineering. IWEBSE 2021. Lecture Notes in Civil Engineering, vol 155. Springer, Cham. https://doi.org/10.1007/978-3-030-73932-4_5
Download citation
DOI: https://doi.org/10.1007/978-3-030-73932-4_5
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-030-73931-7
Online ISBN: 978-3-030-73932-4
eBook Packages: EngineeringEngineering (R0)