Seismic assessment of low ductile RC structures: Buildings from before the modern seismic codes

• Type: Article in International Scientific Journal
• Date: 2016-12-30

Authors

João Dias Oliveira (Author) Other; H. Rodrigues (Author) Other; Humberto Varum (Author) FEUP

Journal

Title: Engineering Computations

Vol. 33 No. 4

Pages: 1282-1307

ISSN: 0264-4401

Publisher: Emerald

Indexing

ISI Web of Knowledge - 0 Citations

ISI Web of Science

Scopus - 0 Citations

INSPEC

Scientific classification

CORDIS: Technological sciences > Engineering > Civil engineering > Structural engineering

FOS: Engineering and technology > Civil engineering

Other information

Authenticus ID: P-00K-GJS

DOI: 10.1108/EC-06-2014-0141

Abstract (EN): Purpose – When a numerous amount of buildings was built in reinforced concrete, in a period when the regulations did not have the design philosophy for the occurrence of earthquakes, it is of extreme importance to carry out full and effective structural assessments, specially considering and comparing bare frame and infilled structure. The paper aims to discuss these issues. Design/methodology/approach – Among several possibilities to make the evaluation as, simplified, linear analysis and static non-linear analysis, the non-linear dynamic can provide the most accurate numerical behaviour compared to the real one. The time-history non-linear analyses are developed on the software SeismoStruct for different levels of intensity. Local verifications are then applied separately from both Eurocode and Italian Code. Findings – The application of validated models for the analysis of real buildings allows a complete seismic assessment. The level of uncertainty increases integrating particularities regarding the infill masonry walls. The paper shows important global and local seismic safety for these complex typology of buildings. Originality/value – A representative common concrete structure without seismic provisions is first analysed and discussed in terms of global behaviour, deformations and progression of forces. The case study structure is considered both as bare structure and with integrated infill panels. It is also discussed in a local level, about brittle and ductile mechanisms, and extra comparisons between different interpretations of different standards. The case study structure is considered both as bare structure and with integrated infill panels. Keywords 3D modelling, Dynamic and non-linear analysis, Infill masonry, RC building, Seismic assessment Paper type Case study

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 26