Marc SEGUIN The remarkable development of suspension bridges PANEL 11 Between 1825 and 1850, more than 450 major suspension bridges were built in France. If a small part of them remained faithful to the Anglo-Saxon chains, the vast majority was based on wire cable...
Marc SEGUIN The Three Seguin Bridges of Tournon-Tain PANEL 10 The history of the suspension bridges between Tournon and Tain is rich. Marc Seguin himself led the construction of three of them. The first is the historic bridge completed in August 1825. Its traffic was...
Marc SEGUIN The First Suspension Bridges Built in Rhône-Alpes PANEL 9 The success of the Tournon-Tain bridge triggered a mania for suspended structures, particularly in the current Rhône-Alpes region. Projects are flourished in Lyon sur la Saône, Grenoble sur le Drac,...
Marc SEGUIN The Success of the Tournon-Tain Bridge and the Toll PANEL 8 The suspension bridge was successfully tested by the ‘Ponts et Chaussées’ administration at the end of August 1825, after static load tests and then the passage of heavily loaded convoys. It was...
Marc SEGUIN The Construction Site of the Suspension Bridge (1824-1825) PANEL 7 Authorization for the Tournon-Tain bridge was obtained at the end of 1823. The bridge was to be built at the ‘contractors’ own risk’, in only 18 months, which was extremely rapid...
Marc SEGUIN Seguin’s Innovations on the Tournon-Tain Bridge PANEL 6 Invention of the thin iron wire cable Among the innovative practices of the Tournon-Tain bridge, that of fine iron wire cables attracts particular attention. Seguin also widely highlights it as...
