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Advanced Structural Analysis for Earthquake-Resistant Design of Buildings: 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 November 2026 | Viewed by 961

Editors


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Guest Editor
Department of Civil Building-Architecture and Environmental Engineering, University of L’Aquila, Via Giovanni Gronchi 18, Zona Industriale di Pile, 67100 L’Aquila, Italy
Interests: experimental dynamics; infrastructures; computational dynamics; hysteresis modeling; structural health monitoring; architectural heritage; timber engineering; seismic vulnerability assessment; rocking structures; concrete-filled steel tubes; integral abutment bridges
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Norwegian Institute of Wood and Technology, Oslo, Norway
Interests: structural analysis; earthquake engineering; structural dynamics; finite element analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of computers has led to a substantial change in the design and seismic analysis of structures. Strongly approximate procedures, foreseen by the previous regulations, are considered superseded by the most recent regulations. In particular, nonlinear dynamic analyses are increasingly used in the seismic design of complex structures. Buildings experience significant inelastic deformations under large earthquakes; the analysis method can account for strength and stiffness deterioration, and it may represent the structural behavior more realistically.

However, nonlinear analyses require significantly more effort and expertise in terms of the material behavior. What is the trade-off between accuracy and computational cost in seismic response simulations? Are nonlinear dynamic analyses always necessary? What is the degree of the conventionality of approximate methods, such as linear and nonlinear statics and linear dynamics? Recently, many scholars have tackled the analysis of the seismic response of structures from both a theoretical (development of new methods) and an applicational point of view. This Special Issue intends to collect recent research contributions on the seismic response of structures, from method investigations to noteworthy case studies. The novel methods will include structural analysis methods and numerical modelling approaches for the seismic design and assessment of buildings based on deterministic and probabilistic approaches. Original contributions containing fundamental and applied research, case studies, or state-of-the-art reviews are encouraged to be submitted to this Special Issue.

Dr. Angelo Aloisio
Dr. Dag Pasquale Pasca
Guest Editors

Manuscript Submission Information

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Keywords

  • seismic design
  • structural dynamics
  • structural analysis
  • seismic retrofitting

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Published Papers (2 papers)

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Research

30 pages, 18112 KB  
Article
Strain-Based Experimental Investigation of Load Transfer and Infill–Frame Interaction in Low-Strength RC Frames Under Cyclic Loading
by Nisar Ali Khan, Angelo Aloisio, Raihan Rahmat Rabi, Syed Saqib Mehboob and Giorgio Monti
Appl. Sci. 2026, 16(12), 6164; https://doi.org/10.3390/app16126164 - 18 Jun 2026
Viewed by 157
Abstract
Reinforced concrete (RC) infilled frames are widely used structural systems; however, seismic design provisions often idealize masonry infill as non-structural, leading to uncertainty in performance assessment. This study experimentally and numerically investigates the role of unreinforced masonry infill in RC frames, focusing on [...] Read more.
Reinforced concrete (RC) infilled frames are widely used structural systems; however, seismic design provisions often idealize masonry infill as non-structural, leading to uncertainty in performance assessment. This study experimentally and numerically investigates the role of unreinforced masonry infill in RC frames, focusing on load-transfer mechanisms, strain evolution, and energy redistribution. Two 2/3-scale single-bay, single-storey RC frames (bare and fully infilled) were tested under constant axial load and quasi-static reversed cyclic lateral loading. Reinforcement strain gauges were used to capture local deformation demands, and a nonlinear macro-model was developed and validated against experimental results. Results show that the presence of masonry infill significantly increases ultimate strength, initial stiffness, and energy dissipation capacity, in comparatively more brittle post-peak cyclic behavior and accelerated stiffness degradation that leads to more abrupt post-peak degradation. Strain measurements provide clear evidence of a staged interaction mechanism: at low drift levels, the infill governs lateral resistance through diagonal compression strut action, limiting reinforcement demand in the frame; with increasing drift, progressive cracking and crushing of the infill promote a gradual transfer of forces to the RC frame, reflected by increasing reinforcement strains and stiffness degradation. At higher drift levels, the system transitions to frame-dominated behavior with localized strain concentration and shear failure at column bases or joints. These findings demonstrate that infill significantly modifies structural response and highlight the importance of incorporating strain-based mechanisms in the seismic assessment of infilled RC frames. Full article
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29 pages, 5787 KB  
Article
Seismic Performance and Nonlinear Flexural Behavior of Corroded Reinforced Concrete Columns: An Analytical and Parametric Study
by Alper Çelik, Ahmet İhsan Turan, Hakan Yalciner and Atila Kumbasaroglu
Appl. Sci. 2026, 16(9), 4235; https://doi.org/10.3390/app16094235 - 26 Apr 2026
Cited by 1 | Viewed by 400
Abstract
This study presents an analytical investigation and a parametric evaluation of the structural behavior and seismic performance of highly corroded reinforced concrete (RC) columns, based on previously conducted experimental studies by the authors. In the analytical phase, moment–curvature relationships were obtained by considering [...] Read more.
This study presents an analytical investigation and a parametric evaluation of the structural behavior and seismic performance of highly corroded reinforced concrete (RC) columns, based on previously conducted experimental studies by the authors. In the analytical phase, moment–curvature relationships were obtained by considering the deterioration of the mechanical properties of both concrete and reinforcing steel due to corrosion in RC column specimens. By linking the sectional moment–curvature response with the element-level behavior observed in the experimental program, the plastic hinge lengths and rotational capacities of the corroded RC columns were determined. Subsequently, a parametric study was carried out using the analytical framework developed in the first phase on a set of 48 RC column models. In this investigation, axial load ratio, concrete compressive strength, corrosion level, section type, and concrete cover depth were considered as key parameters. The results of the combined experimental and analytical investigations demonstrate that the adopted section analysis approach successfully captures the nonlinear flexural behavior observed in the corroded specimens and provides a reliable basis for evaluating the structural performance and for supporting the assessment of seismic performance of deteriorated RC columns. Full article
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