The Kinematic chain system is a building technology which creates an elastic connection between the decks both longitudinally and transversally thus ensuring a "hinge" behaviour against flexural stresses in the connection area. This system allows all the longitudinal deformations of the deck resulting from shrinkage, creep or temperature changes, to focus on one point, usually the centreline of the engineering structure or by one of the abutments. The Kinematic chain system thus allows to exploit all the advantages offered by continuous structures (seismic behaviour, reduction in the number of joints without giving up those offered by the statically determinate structures consisting of simple beams, design and construction simplicity). It is suitable both for new and existing engineering structures, especially when their seismic adjustment is necessary. It allows to manage longitudinal seismic stresses transferred to the bridge deck/piers interface.


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