FRAMED BRIDGE SUPPORT Russian patent published in 2000 - IPC

FIELD: bridge-building industry. SUBSTANCE: framed bridge support can be used in erection of sectional bridges of overpass type and also in building bank components of floating bridges, especially when base consists of loose and washing-away ground. Framed bridge support has pair of posts. Installed inside each of posts and adapted for vertical displacement is pile with holes. Pile is provided with head-piece carrying spiral blade. Also provided are pair of shoes, span-piece having slots in ends for posts, supporting members located under span-piece, pins, links. Each post above span-piece is provided with additional supporting member in the form of supporting bracket. Span-piece has screw-type device for possible vertical displacement of span-piece. Supporting shoes are made in the form of truncated cone. In another version of invention, support is provided with two pairs of technological pads and each of them is rigidly secured respectively on each of span-piece ends. There are two mechanisms for lifting or lowering of span-piece with flexible pulling member. Aforesaid embodiment of framed bridge support widens its operational potentialities. EFFECT: higher efficiency. 2 cl, 18 dwg