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Large-span multi-channel monorail traffic rail beam bridge

A monorail, multi-channel technology, applied in the field of monorail, can solve the problems of small span and single system of rail girder bridges, and achieve the effect of improving traffic capacity, good mechanical performance and strong engineering implementation.

Pending Publication Date: 2020-05-19
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0024] The technical problem to be solved by this patent is: the existing monorail traffic track girder bridge has a single system, and the span of the track girder bridge is also small

Method used

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  • Large-span multi-channel monorail traffic rail beam bridge
  • Large-span multi-channel monorail traffic rail beam bridge
  • Large-span multi-channel monorail traffic rail beam bridge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Embodiment 1 A long-span multi-channel monorail traffic track girder bridge with a cable-stayed cable system that adopts an independent cable-beam anchorage device and hangs under the upper-span seat

[0083] It is proposed to build a monorail traffic bridge, a long-span multi-channel monorail traffic track girder bridge with a cable-stayed cable system suspended under the upper span and under the seat, including multi-channel monorail traffic track girders, cable-stayed cables, independent cable-beam anchoring devices, and bridge towers. In this embodiment, the long-span multi-channel monorail traffic track girder bridge is a multi-channel monorail traffic track girder bridge structure suspended under the upper span. The multi-channel monorail traffic track beam is not only used as a monorail traffic track structure, but also as a main force-bearing structure. The upper part is a straddle-type traffic passage, and the lower part is a suspended traffic passage. The mini...

Embodiment 2

[0087] Embodiment 2 A long-span multi-channel monorail traffic track girder bridge with upper maglev and lower suspension of a cable-stayed cable system using an independent cable-beam anchorage device

[0088]To build a monorail traffic track beam bridge above a certain river, a large-span multi-channel monorail traffic track beam bridge using a cable-stayed cable system with upper maglev and lower suspension, including multi-channel monorail traffic track beams, cable stays, independent cable beam anchoring devices, bridge tower. In this embodiment, the upper part of the long-span multi-channel monorail traffic track girder bridge is a maglev traffic passage, and the lower part is a suspended monorail traffic passage. The minimum radius of the upper and lower passages is determined to be 1000m according to the maximum design speed of maglev transportation of 300km / h, and the alignment of the upper and lower passages remains consistent. The cable-beam anchoring device is an ...

Embodiment 3

[0091] Example 3 A long-span multi-channel monorail traffic track beam bridge with an upper span and a lower suspension using a continuous cable beam anchorage device of a cable-stayed cable system

[0092] It is known that a continuous cable-beam anchorage device of a cable-stayed cable system hangs on the upper span and the lower part of the large-span multi-channel monorail traffic track girder bridge is composed of a multi-channel monorail traffic track girder, cable-stayed cables, bridge towers, and a continuous cable-beam anchorage device. In this embodiment, the upper part of the long-span multi-channel monorail traffic track girder bridge is a straddle-type driving passage, and the lower part is a suspended driving passage. The minimum radius of the upper and lower passages is determined to be 100m according to the maximum design speed of the straddle-type monorail traffic of 80km / h, and the alignment of the upper and lower passages shall be consistent. The long-span m...

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Abstract

The invention discloses a large-span multi-channel monorail traffic rail beam bridge, and belongs to the field of monorail traffic. The large-span multi-channel monorail traffic rail beam bridge comprises a stay cable system and a sling system. A multi-channel monorail traffic track beam is characterized in that two or more monorail traffic driving channels are formed on the same beam, and the line shape of the multi-channel monorail traffic track beam is determined on the basis of the minimum radius of the channel with the maximum driving speed and is kept consistent with the line shape of aline. A cable beam anchoring device on the outer side surface of a web on the lower portion of the multi-channel monorail traffic track beam is anchored together with a stay cable or a sling, the distance S between the anchoring position and the centroid axis of the cross section of the track beam is smaller than or equal to 1.0 m, vehicle loads borne by the track beam are transmitted to a bridgetower, and the large-span multi-channel monorail traffic track beam bridge is formed.

Description

technical field [0001] This patent relates to a large-span multi-channel monorail traffic track girder bridge, which is applied in the field of monorail traffic. Background technique [0002] In monorail traffic, the track beam is both a load-bearing structure and a guiding structure for vehicles. The existing monorail traffic track beams in the world can only pass one kind of monorail traffic, and most of them adopt simply supported systems with small spans. Existing single system monorail traffic system track girder discloses a kind of rigid suspension type monorail traffic system such as patent number CN108313066A. Such as figure 1 and figure 2 As shown, the system erects track beams on the pier column cover beams, and the vehicle load is transmitted to the track beams through the vehicle bogie, then to the cover beams and pier columns, and finally to the foundation. About every 16m, a set of pier cap beams are needed to erect the track beam, and the maximum span is ...

Claims

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Application Information

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IPC IPC(8): E01D11/02E01D11/04E01D19/00E01D19/14E01D19/16E01B25/22E01B25/30E01B25/08
CPCE01B25/08E01B25/22E01B25/30E01D11/02E01D11/04E01D19/00E01D19/14E01D19/16
Inventor 朱尔玉秦祯秋
Owner BEIJING JIAOTONG UNIV
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