Underground low-vacuum pipeline ultrahigh-speed maglev transportation system and construction method thereof

A transportation system and ultra-high-speed technology, applied in tunnel systems, sliding/floating railway systems, underground chambers, etc., can solve problems such as poor adaptability in mountainous areas, and achieve the effect of reducing demolition costs

Pending Publication Date: 2020-10-16
CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Some experiments on low-vacuum pipeline transportation have been carried out at home and abroad, and some achievements have been accumulated. However, the current research is limited to the structure of low-vacuum pipeline transportation systems, which mostly use viaducts erected on bridge piers and beams, resulting in cities with complex layout of ground buildings. The problem of poor adaptability in regional and mountainous areas

Method used

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  • Underground low-vacuum pipeline ultrahigh-speed maglev transportation system and construction method thereof
  • Underground low-vacuum pipeline ultrahigh-speed maglev transportation system and construction method thereof
  • Underground low-vacuum pipeline ultrahigh-speed maglev transportation system and construction method thereof

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Embodiment 1

[0047] The embodiment of the present application provides an underground low-vacuum pipeline ultra-high-speed maglev transportation system for underground spaces. The maglev track 5 and the ultra-high-speed maglev train 6 adopt a structure of pipe-tunnel separation, wherein: figure 1 , image 3 and Figure 4 The structural schematic diagrams of the cross-section of the underground low-vacuum pipeline ultra-high-speed maglev transportation system in the underground tunnel 1 are respectively indicated;

[0048] The inner wall of the tunnel 1 is provided with a lining structure 11; the cross-sectional shape of the tunnel 1 can be horseshoe-shaped, circular or rectangular; figure 1 The cross-sectional shape of tunnel 1 in is horseshoe-shaped, image 3 The cross-sectional shape of tunnel 1 in is circular, Figure 4 The cross-sectional shape of the tunnel 1 in is a rectangle;

[0049] The supporting structure 2 is formed by pouring reinforced concrete on the lining structure 11...

Embodiment 2

[0063] In addition, the embodiment of the present application also provides a construction method of the underground low-vacuum pipeline ultra-high-speed maglev transportation system in any of the above-mentioned embodiments, such as Figure 5 As shown in the structure, the construction method includes the following steps:

[0064] In step S100, the tunnel 1 is constructed, and a lining structure 11 is formed on the inner wall of the tunnel 1; during the construction of the tunnel 1, it can be constructed by the mining method, the shield method, and the open cut method; the cross-sectional shape of the tunnel 1 can correspond to figure 1 in the horseshoe shape, image 3 circle in or Figure 4 The rectangular structure in; image 3 Tunnel 1 with a circular structure is suitable for construction by shield equipment; Figure 4 The tunnel 1 with a medium-rectangular structure is suitable for construction by cut and cover;

[0065] Step S200, constructing the support structure ...

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Abstract

The invention relates to the technical field of pipeline transportation, in particular to an underground low-vacuum pipeline ultrahigh-speed maglev transportation system and a construction method thereof. The transportation system comprises a tunnel, a sealing cover, a supporting structure, a rail bearing beam and a magnetic levitation rail. A lining structure is arranged on the inner wall of thetunnel; the supporting structure is formed on a lining structure at the bottom in the tunnel by pouring reinforced concrete; the sealing cover extends in the length direction of the tunnel, the bottomof the sealing cover is fixedly installed at the top of the supporting structure, the sealing cover and the supporting structure are sealed through the sealing structure, and an ultrahigh-speed maglev train running space is formed between the sealing cover and the supporting structure; the bottom of the rail bearing beam is fixedly mounted at the top of the supporting structure in the sealing cover; the maglev rail is fixedly installed at the top of the rail bearing beam; and the ultra-high-speed maglev train is used for running along the maglev rail. The transportation system operates in anunderground space and can be well suitable for urban areas and mountainous areas.

Description

technical field [0001] The present application relates to the technical field of pipeline transportation, in particular to an underground low-vacuum pipeline ultra-high-speed maglev transportation system and a construction method thereof. Background technique [0002] Restricted by the dense atmospheric environment, the current record for the highest operating speed of ground rail vehicles is 603km / h. Studies have shown that when the operating speed of ground rail vehicles exceeds 500km / h, the resistance generated by air will account for 92% of the total resistance. % above, which has greatly exceeded the scope of economical operation, and the resulting noise pollution is difficult to deal with. [0003] In order to solve these problems, in 1992, German engineer Hermann Kemper proposed a form of transportation without air resistance and friction. The driving resistance will be greatly reduced, which can effectively reduce energy consumption. At the same time, the aerodynami...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L13/04B61B13/08B61B13/10E21D11/10E01B25/30
CPCB60L13/04B61B13/08B61B13/10E01B25/30E21D11/10Y02T10/72
Inventor 熊健李日华李强荆鸿飞罗章波丁祥胡玉林黄新连
Owner CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP
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