Inner track girder bridge of straddle monorail shield tunnel and its construction method
A straddle-type monorail and construction method technology, which is applied in the field of monorail transportation, can solve the problems of high cost, long construction period, and large tunnel section, and achieve the effects of fast excavation speed, reduced construction cost, and improved section rigidity
Active Publication Date: 2022-04-15
CHINA RAILWAY ENG CONSULTING GRP CO LTD
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Problems solved by technology
[0007] This method is not suitable for the situation where the length of the tunnel is too long, and the layout cross section of the track beam and the traditional cast steel tension support is large, resulting in problems such as large tunnel section, long construction period and high cost
Method used
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[0038] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0039] The specific implementations / examples described here are specific specific implementations of the present invention, and are used to illustrate the concept of the present invention. limit. In addition to the embodiments described here, those skilled in the art can also adopt other obvious technical solutions based on the claims of the application and the contents disclosed in the specification, and these technical solutions include adopting any obvious technical solutions made to the embodiments described here. The replacement and modified technical solutions are all within the protection scope of the present invention.
[0040] Please refer to Figure 1-Figure 2 As shown, the present invention provides a novel straddle type single-track track girder bridge, which includes a base body 1 and a girder body 2 .
[0041] The base body 1 ...
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The present invention provides a track girder bridge in a straddle-type monorail shield tunnel and its construction method. The track girder bridge includes a girder body and a base for fixing and supporting the girder body. The girder body includes a track girder and an end beam. The two ends of the track beam, the track beam is perpendicular to the upper end surface of the end beam, the base includes the pressure bearing supporting the end beam, and the end beam is a fish-belly structure, including the end connecting the upper plate of the pressure bearing and the mid-span The abdomen, the thickness of the abdomen is greater than the thickness of the end, can reduce the overall height after the end is connected to the support. Adopting the new track bridge of the present invention does not need to set anchor boxes, and will not damage the tunnel segments constructed by shield tunneling, and can realize the application of shield tunneling method to the construction of track bridges in straddle-type monorail tunnels, effectively reducing construction costs and reducing track costs. The overall height of the bridge and improve the anti-overturning ability of the track girder.
Description
technical field [0001] The invention is applied in the field of monorail traffic, and in particular relates to a track girder bridge in a straddle type monorail shield tunnel and a construction method for the track bridge. Background technique [0002] Monorail transit system is a relatively common rail transit system, which together with subway transit system and light rail transit system constitute the three most common types of urban rail transit. In the monorail traffic system, according to the different running modes and track structures, it is mainly divided into suspension monorail traffic and straddle monorail traffic. [0003] Among them, the straddle-type monorail transit system belongs to the medium-capacity rail transit system, which often has the advantages of less investment, short cycle, intelligent environmental protection, strong applicability, and small footprint. The construction period of the monorail is only half of that of the subway, and the construct...
Claims
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IPC IPC(8): E01D1/00E01D19/12E01D19/04E01D21/00E01B2/00E01B25/08
CPCE01D1/00E01D19/12E01D19/046E01D21/00E01B2/003E01B25/08
Inventor 刘永锋徐升桥李金凯尹斌张付宾胡国华杨海洋
Owner CHINA RAILWAY ENG CONSULTING GRP CO LTD