come to big hike for road bridges and viaducts.

摘要

the found is a time dilation to great hike for bridges.it comprises: - two plates of metal continuity of the transit plan, put in correspondence of structural details, which are linked in such a way that,interacting with structural elements below.find below two rooms: a load-bearing structure in correspondence with the gate structure to support a plan of deformable transit; the backbone of the deformable floor is bindingta and zipper to an extreme structural and, in correspondence of the other extreme, underpinning.flows below the plate at the same time, the transit in support for this; a floor conveniently on the deformable structure below.you can scroll and outlet in the opposite to the previous one.the feature of the found is in operation to double bayonet contrasted with easy flow to disappearance.