Nonlinear Analysis and Behaviour of Shallow Concrete Arches

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Concrete arches are widespread structural elements, but they are usually deep so that predicting their response is routine. The analysis of shallow arches is much more difficult, and with the contemporary use of higher strength concretes, shallow arches are often the optimum geometric configuration. This project aims to investigate the profoundly nonlinear behaviour of flat arches, which may be close to snap-through buckling, even under service load, due to creep and shrinkage. This research will fill an important gap in structural mechanics, and produce fundamental insights into the response of arches containing concrete. The outcomes will include much needed design guidance.