Air shaft shield crossing construction method

A construction method and air shaft technology, applied in shaft lining, shaft equipment, earthwork drilling and mining, etc., can solve problems such as crossing air shafts, construction period planning, and unfavorable shield tunneling to ensure construction quality, and achieve the effect of facilitating construction

Active Publication Date: 2015-03-04
CCCC TUNNEL ENG
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  • Abstract
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Problems solved by technology

[0004] When the shield machine passes through the wind shaft, the construction sequence in the prior art is to carry out the shield tunneling first and then

Method used

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  • Air shaft shield crossing construction method
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  • Air shaft shield crossing construction method

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[0024] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to make a clearer and clearer definition of the protection scope of the present invention.

[0025] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meanings as those commonly understood by those of ordinary skill in the art to which the present invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with the meanings in the context of the prior art, and unless defined as here, they will not be used in ideal or overly formal meanings. Explanation.

[0026] Definition of synchronous grouting: As the shield advances, there w...

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Abstract

The invention discloses an air shaft shield crossing construction method. The construction sequence of firstly performing shield crossing and then performing air tower main body structure construction in the prior art is regulated into the construction sequence of firstly constructing a partial main body structure of an air tower and then performing the shield crossing, so that the air tower construction is not influenced by the shield construction progress; the construction period can be effectively shortened; the smooth proceeding of the later-stage construction is ensured; and the structure is also very firm, reliable and safe.

Description

technical field [0001] The invention relates to a construction method for shield tunneling through an air shaft, belonging to the field of underground engineering. Background technique [0002] With the development of my country's economic construction, in order to meet the needs of urban traffic, a large number of river crossing passages and submarine tunnels have been built one after another. Due to the safety of excavation, the whole process of shield tunneling can realize automatic operation, such as fast excavation, advancement, excavation, and assembled lining. The characteristics of low labor intensity, no impact on ground transportation and facilities, and no impact on underground pipelines and other facilities are more and more adopted by large-section long-distance tunnel projects. [0003] During construction, after the shield machine has excavated the tunnel to a certain amount, the tool wear needs to be repaired and replaced. At the same time, in order to meet th...

Claims

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Application Information

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IPC IPC(8): E21D5/04E21D11/10E21D9/06
CPCE21D5/04E21D9/08E21D11/10
Inventor 姚占虎陈云峰梁玉强张真夏鹏举
Owner CCCC TUNNEL ENG
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