Small-intersection angle low-height reinforced concrete overpass bridge structure
2013
The invention relates to a small-intersection angle low-height reinforced concrete overpass bridge structure. The structure is characterized in that a base plate is arranged under a bridge floor, a plurality of upright columns are connected with the bottom of two sides of the bridge floor through longitudinal girders and integrated with a foundation through the base plate, back walls and cover beams are arranged at the two ends of the bridge floor respectively and integrated with the foundation, baffle plates are arranged at the two ends of the base plate and fixed on the foundation to form a frame of small-intersection angle low-height reinforced concrete overpass bridge, over-passing tracks are laid on the bridge floor, and over-passed tracks are laid on the base plate. The small-intersection angle low-height reinforced concrete overpass bridge structure has the benefits of achieving the effect of small-intersection angle low-height spanning, eliminating the limitation of curve radius and ensuring short-distance crossover between railways; and is particularly suitable for crossover between the main line and the drive-in/drive-out lines of a subway ground junction rail station and the crossover between national railway parallel lines. The structure can be used for crossover between single lines and also be used for crossover between single lines and multi-lines and between multi-lines.
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