Author(s)

M. Merli, C. Ronzino & L. Samori

Abstract

The chimney of the former sugar house in Cesena is a masonry structure built in the first years of the twentieth century. It is about 54.00 m high and has a frustum of cone shape with a top and base external diameter respectively of 3.50 m and 6.50 m. The structure is very slender and the walls, externally hooped by steel rings, are somewhere damaged. Near the chimney an important commercial centre will be built and as the zone is now classified as a seismic area, it has been necessary to strengthen the structure with an internal hollow cylinder of light reinforced concrete, effectively connected to the masonry by steel dowels. Many construction problems must be considered, particularly with regard to pouring concrete inside the chimney at considerable height. The foundation has

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