Rigid frame continuous beam double-layer urban elevated road

Abstract

The invention discloses a rigid-framed urban double-deck elevated road with continuous beams. A bridge of the rigid-framed urban double-deck elevated road with continuous beams is in a framed continuous beam structure. An upper road tier and a lower road tier are framed. Two sides of structure between the upper road tier and the lower road tier are in truss structures composed of a plurality of diagonals. Roadside pillars and the continuous beams form a rigid frame structure. The upper portion of the rigid frame structure is large in size and high in bearing capacity, and the lower portion of the rigid frame structure is small in size and is rested on roadside flower beds, and no pavement area is occupied. The rigid frame pillars are connected with the bridge rigidly, and the ground part of the elevated road is small in size and can be rested on the roadside flower beds without occupying the original pavement lanes. Owing to the continuous beams, the bridge with multi-support statically indeterminate beams is high in bearing capacity and safety. The double-deck bridge forms the frame, section modulus of the bridge is large, and rigid frame nodes are high in bearing capacity. The double-deck bridge is provided with double decks, one additional pavement is provided, and accordingly trafficability is tripled by that of the original pavement. Space of the existing roads can be utilized fully, and the problem of increasing traffic jam is solved. The rigid-framed urban double-deck elevated road with continuous beams is simple in structure and easy to implement.

Description

technical field [0001] The invention relates to a double-layer urban elevated road with rigid frame continuous beams, which belongs to the technical field of urban construction engineering. Background technique [0002] With the development of the economy, urban traffic is congested, and traffic jams are becoming more and more serious. Current solutions: One is to build underground subways in cities, but subways can only dredge crowds on fixed lines, but cannot dredge logistics and traffic flow, so some cities have built many subways vertically and horizontally, but the result is still traffic jams. The second is to build an elevated road on the original ground road in order to increase the passing capacity of the road. However, the design scheme of the existing elevated road is: a single-span simply supported beam with a flat head butt joint to the central pier supporting structure. The size should not be too wide, otherwise it will not be stable. The pier of this structur...

AI Technical Summary

Problems solved by technology

The current solution: First, the subway is built underground in the city, but the subway can only clear the crowd on the fixed line, but not the logistics and traffic flow, so some cities have built many subways in the vertical and horizontal directions, but the result is still traffic jams

The second is to build an elevated road on the original ground road in order to increase the passing capacity of the road. However, the design scheme of the existing elevated road is: a single-span simply supported beam with a flat head butt joint to the central pier supporting structure. The size should not be too wide, otherwise it will not be stable. The pier of this structure occupies at least two lanes on the ground, and the width of the bridge deck can only be three times the width of the pier. For a two-way 8-lane road, the central pier occupies two lanes. The elevated bridge body also has 6 lanes, and a total of 12 lanes on the bridge and under the bridge, and only 50% more lanes

The effect can be seen immediately, but everyone knows that this move will directly limit the domestic demand for automobiles and restrict the country's economic development, bringing a lot of inconvenience and difficulties to the people

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