CABLE-BRACED BRIDGE PYLON HEAD Russian patent published in 2010 - IPC E01D11/00 

FIELD: construction.

SUBSTANCE: pylon head of cable-braced bridge of combined system consists of external concrete part and metal anchor structure fixed in it, arranged in the centre of pylon and made composite along height from joined bearing elements, which are equipped with anchor protruding parts arranged at each level of cables anchoring. The novelty is the fact that bearing elements of composite metal anchor structure consist of side walls, being the bearing element of protruding anchor part and combined by means of vertical sheets and system of horizontal membranes. Side walls and vertical sheets have flexible rod supports embedded into concrete part of head, and combination of elements along height is arranged between vertical walls and sheets by means of joints of pads and high-strength bolts. Ends of anchor ledges may be equipped with additional transverse membranes.

EFFECT: increased operational reliability.

2 cl, 5 dwg