Abstract
In the present paper a methodology is proposed to evaluate the sustainability of intervention in existing multi-storey concrete buildings using structural steel systems. Taking into account that an intervention in an existing building can be characterized as sustainable if the design considerations include critical sustainability assessments, a method is proposed and then applied to a case study for the restoration of an eight-floor building located at the center of the city ofThessaloniki.This case study is also compared to other relevant assessments with the option of reuse of the existing building only with elementary restoration works and the design of a new composite steel-concrete building constructed at the same location. The analysis includes a description of the building characteristics and pathologies, with an estimation of the structural performance after the application of an optimization process when using structural steel systems for its enhancement.
Highlights
Building design has major impact on many of the issues referred to sustainability and it is important engineers to possess methods that help them to deliver sustainable designs [11]
In the present paper a methodology is proposed to evaluate the sustainability of intervention in existing multi-storey concrete buildings using structural steel systems
Taking into account that an intervention in an existing building can be characterized as sustainable if the design considerations include critical sustainability assessments, a method is proposed and applied to a case study for the restoration of an eight-floor building located at the center of the city ofThessaloniki.This case study is compared to other relevant assessments with the option of reuse of the existing building only with elementary restoration works and the design of a new composite steel-concrete building constructed at the same location
Summary
Building design has major impact on many of the issues referred to sustainability and it is important engineers to possess methods that help them to deliver sustainable designs [11]. Published under licence by IOP Publishing Ltd offers a wide-range of design possibilities e.g. loading upgrading or extension of the area of the building[6] In such cases, a variety of reversible steel structures may be designed in order to renovate the building and upgrade its seismic performance, respecting in the meantime the main form and design characteristics of the structure. The relevant existing regulations for existing concrete buildings in Greece, referring to methods of intervention in buildings only apply to post-earthquake damage and do not include methodologies to increase the capacity of an existing building against seismic hazard It is important for the engineers to know in terms of sustainability the impact score of applying such a restoration project on existing concrete buildings (decision b.1 or b.2) , in comparison to the aforementioned (a) and (c) possible design decisions
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