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Open issues for the conservation of land-mark modern architecture: the case study of Torre Velasca
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Progetto definitivo delle strutture del nuovo ponte sul Ticino a vigevano, con archi binati su due campate in calcestruzzo bianco ad alte prestazioni ed impalcato sospeso con sezione a cassone in calcestruzzo alte prestazioni
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A TMD APPLICATION IN THE SEISMIC IMPROVEMENTS OF AN HISTORICAL CHIMNEY
Full text linkThe paper analyzes the seismic improvement of an historical masonry chimney by the tuned mass dumper (TMD) application.
The chimney was built at the beginning of XX century in the northern region in Italy and the mechanical characteristics of the masonry, in terms of elastic modulus and compressive strength, used in the finite element models (FEMs) has been determined by a set of experimental tests. A first FEM is implemented by element beam (FEM 1) a second FEM is implemented by solid elements (FEM 2); in both, two configurations are studied: the chimney without TMD and the chimney with TMD. By a time history analysis the main characteristic of the TMD in the terms of mass, stiffness and damper values are valued and optimized for different positioning of the oscillating mass. Finally, a structural solution for the support of the TMD is proposed
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