FIELD: bridge building, particularly to erect bridge having approach embankments at the beginning and the end of the bridge of equal heights.
SUBSTANCE: bridge comprises span structure, top plates, piers, foundations, drainage ground cone and composite reinforced concrete panels for cone consolidation. Composite reinforced concrete panels for cone consolidation are made as a single whole along cone heights. Upper parts of composite reinforced concrete panels for cone consolidation and top plates or upper parts of composite reinforced concrete panels for cone consolidation, as well as span structure are connected with each other. Angle of plate inclination to horizon line exceeds that of friction drainage ground cone slope. If embankment height is 3-5 m upper parts of plates and posts may be connected with each other to decrease moment force caused by horizontal ground pressure applied to plates. If bridge has frame structure and is free from top plates upper parts of the panels may be fastened to span structure. If embankment height exceeds 5 m lower parts of the panels are supported by foundations to reduce panel stretching force resulting from plate gravity.
EFFECT: increased safety of hydraulic bridge action along with increased efficiency of span structure operation.
3 cl, 5 dwg
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Authors
Dates
2007-05-27—Published
2005-10-19—Filed