期刊
AUTOMATION IN CONSTRUCTION
卷 104, 期 -, 页码 360-382出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.autcon.2019.04.021
关键词
Historical constructions; Masonry arch bridge; Non-destructive testing; Terrestrial laser scanner; Sonic testing; Multichannel analysis of surface waves; Ground penetrating radar; Ambient vibration tests; Finite element method; Non-linear analysis
资金
- ERDF funds through the V SUDOE INTERREG program [SOE1/P5/P0258]
- research project Patrimonio 5.0 - Junta of Castilla y Leon [SA075P17]
- council of Avila
Within the precepts defended by the International Charter of Krakow, this paper aims at presenting a fully non-destructive multidisciplinary approach able to characterize masonry bridges at three different levels: i) geometrical level; ii) material level and; iii) structural level. To this end, this approach integrates the terrestrial laser scanner, the sonic and impact-echo methods, the ground penetrating radar and the multichannel analysis of surface waves. All these data are combined with reverse engineering procedures, allowing the creation of suitable as-built CAD models for advanced numerical simulations. Then, these numerical models are contrasted and updated through the data provided by the ambient vibration tests. To validate the methodology proposed in this paper, the Roman bridge of Avila was used as study case. This bridge shows a complex mixture of constructive techniques (masonry, cohesive material, Opus Caementicium and reinforced concrete). Thus, the numerical model was considered for performing predictive structural analysis.
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