Optimal Combined Seismic and Energy Efficiency Retrofitting for Existing Buildings in Italy

Clemett, Nicholas; Gallo, Wilson Wladimir Carofilis; Gabbianelli, Giammaria; O’Reilly, Gerard J.; Monteiro, Ricardo

doi:10.1061/(asce)st.1943-541x.0003500

Cited by 34 publications

(42 citation statements)

References 37 publications

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“…The choice of the weight vector was found to be the most significant source of uncertainty in the MCDM procedure and, consequently, in its results, as reported by Carofilis et al [8]. Interested readers are referred to Clemett et al [4] for more details on the MCDM framework used herein, as well as on the definition of both decision matrix and weight vectors.…”

Section: Multi Criteria Decision Making Methodologymentioning

confidence: 73%

“…The DVs and corresponding weights applied in this study, presented in Table 1, are the ones proposed by Clemett et al [4]. The weight vector was defined employing the AHP and the professional judgment of the authors.…”

Section: Multi Criteria Decision Making Methodologymentioning

confidence: 99%

“…Figure 1: Three-dimensional representation of the numerical model developed in OpenSees [4] The building was assumed to be located in six different sites in Italy: (i) a first set of three locations of similar high (H) seismic hazard level, but with different climatic conditions, namely Città di Castello, Isola del Gran Sasso d'Italia and Catania, respectively characterised by cold (H-C), moderate (H-M) and warm (H-W) climates; and (ii) a second set of three additional locations of low seismic hazard level. Additionally, the building was also assumed to be located in three other sites in Italy of similar medium (M) seismic hazard level, but, again, with different climatic conditions, namely Vicenza, Serravalle Pistoiese and Cirò Marina, respectively characterised by cold (M-C), moderate (M-M) and warm (M-W) climates.…”

Section: Case-studymentioning

confidence: 99%

“…Moreover, the energy performance of this building typology is highly unsatisfactory, resulting in high energy consumption, significant costs, and increased CO2 emissions [1]. Recently, significant focus has been given to the development and evaluation of combined seismic and energy retrofitting schemes, with a view to minimise economic losses and environmental impacts and promote building renovation [2][3][4]. Given the wide range of possible structural and energy retrofitting schemes to couple in an integrated scheme, it is essential to proceed with methodologies that are capable of identifying optimal integrated retrofit solutions.…”

Section: Introductionmentioning

confidence: 99%

“…A previous study by Clemett et al [4] on seismic and energy retrofitting integration was conducted for a case-study building located in three different locations in Italy, characterised by cold (C), moderate (M) and warm (W) climates and similar medium-to-high levels of seismic hazard. The study presented here builds upon such a work [4], applying the same MCDM approach to the same case-study school building to understand the influence of different seismic and climatic demands on the choice of the optimal integrated retrofitting solution. The building was thus assumed to be located in three sites in Italy of similar mediumto-high (H) seismic hazard levels, with different climatic conditions, respectively characterised by cold (C), moderate (M) and warm (W) climates.…”

Section: Introductionmentioning

confidence: 99%

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On the Influence of Climate and Seismic Hazard Conditions in the Identification of Optimal Retrofitting Strategies for Rc Buildings

Couto,

Mucedero,

Bento

et al. 2023

Proceedings of the 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COM

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Past earthquakes have highlighted the vulnerability of existing reinforced concrete (RC) buildings, which constitute a large portion of the European building stock, most of which were not designed according to modern seismic codes. Moreover, their energy performance can also be highly unsatisfactory, leading to significant levels of energy consumption and CO2 emissions. The assembling of a retrofitting approach with low environmental impact, capable of integrating increased structural performance with energy efficiency, is thus evermore essential. In this respect, recent studies were carried out with a particular emphasis on incorporating both interventions by identifying the optimal intervention among several feasible alternatives. This study investigates the influence of different climate and hazard conditions on the optimal retrofitting strategy, using a multi-criteria decision-making (MCDM) framework that includes a range of economic, social, and technical decision variables related to the building's seismic and energy performance. To this end, a case study application was carried out on a school building representative of such a building typology in Italy. Four seismic retrofitting solutions, each combined with three energy-based interventions, were assessed, considering two seismic hazard levels -medium and high -and three distinct climate conditions -cold, mild and warm. Finally, for each combination of seismic hazard and climate condition, an MCDM framework was employed to identify the optimal combination of seismic and energyefficiency retrofitting schemes and the overall ranking of the different alternatives, aiming to investigate the influence of seismic hazard level and climate conditions on the optimal choice of a retrofitting intervention.

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Section: Multi Criteria Decision Making Methodologymentioning

confidence: 73%

Section: Multi Criteria Decision Making Methodologymentioning

confidence: 99%

Section: Case-studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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On the Influence of Climate and Seismic Hazard Conditions in the Identification of Optimal Retrofitting Strategies for Rc Buildings

Couto,

Mucedero,

Bento

et al. 2023

Proceedings of the 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COM

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Simplified pushover-based seismic loss assessment for existing infilled frame structures

Nafeh,

O’Reilly

2023

Bull Earthquake Eng

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The evolution of sustainable renovation of existing buildings: from integrated seismic and environmental retrofitting strategies to a life cycle thinking approach

Passoni,

Caruso,

Felicioni

et al. 2024

Bull Earthquake Eng

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The sustainable renovation of existing buildings is currently at the top of the agenda of the European Union. Sustainability is typically defined as the result of the interaction of environmental, economic, and social aspects, and it is now considered a major target objective in all sectors of our economy, including the construction one. The concept of sustainable renovation has changed significantly over time, leading to the current interpretation that considers the need to simultaneously improve safety and resilience against natural hazards and minimise energy and resource consumption, as well as to reduce impacts along the life cycle of the building. This manuscript presents insights into combined/integrated environmental and seismic retrofitting techniques and assessment methods for the sustainable renovation of the existing building stock, specifically focussing on those conceived according to a Life Cycle Thinking (LCT) approach. This manuscript goes beyond the current available state of the art by highlighting the evolution of the concept of building sustainability throughout time, as well as defining a comprehensive taxonomy of available retrofitting strategies, while also identifying common clusters among available research papers. This research effort is part of the mission of the European Association of Earthquake Engineering (EAEE) Working Group 15 (WG15), which focusses on ‘combined seismic and environmental upgrading of existing buildings”.

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Optimal Combined Seismic and Energy Efficiency Retrofitting for Existing Buildings in Italy

Cited by 34 publications

References 37 publications

On the Influence of Climate and Seismic Hazard Conditions in the Identification of Optimal Retrofitting Strategies for Rc Buildings

On the Influence of Climate and Seismic Hazard Conditions in the Identification of Optimal Retrofitting Strategies for Rc Buildings

Simplified pushover-based seismic loss assessment for existing infilled frame structures

The evolution of sustainable renovation of existing buildings: from integrated seismic and environmental retrofitting strategies to a life cycle thinking approach

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