Upper and lower well channel for constructing ultra-deep vertical shaft by reverse construction method and construction method thereof

Abstract

The invention discloses an upper and lower well channel for constructing an ultra-deep vertical shaft by a reverse construction method and a construction method thereof. The upper and lower well channel comprises a cantilever frame arranged at the top of the ultra-deep vertical shaft, a wall connecting bracket arranged on the side surface of an inner lining wall of the ultra-deep vertical shaft, and a plurality of box type ladder cages connected up and down; the box type ladder cages are communicated up and down to form a channel for going to and fro between the ground and the bottom of the shaft, so that the construction of the ultra-deep vertical shaft is more convenient; the box type ladder cages are fixedly arranged on a triangular bracket of the wall connecting bracket, and the tops of the box type ladder cages are fixedly connected to the cantilever frame; and each box type ladder cage is very stable and safe, so that the safety of the whole upper and lower well channel is guaranteed. The construction method of the upper and lower well channel is gradually constructed along with the construction of a coping beam and the inner lining wall; in the construction process of the ultra-deep vertical shaft, the upper and lower well channel can be used; and after the final construction is finished, in the subsequent descending installation process of a shield tunneling machine and the later shield construction process, the upper and lower well channel can also be used, so that more convenience is provided for the whole project.

Description

technical field [0001] The invention relates to the technical field of shaft construction, in particular to an upper and lower shaft passage for construction of an ultra-deep shaft by the reverse method and a construction method thereof. Background technique [0002] In order to make full use of the underground space, in recent years, shield tunnel construction technology has been used more and more in crossing rivers and oceans and in urban underground spaces. Due to geological or construction site superstructures, the buried depth of shield tunnel lines is getting deeper and deeper. , which requires deeper starting and reaching working wells to ensure the starting and reaching reception of the shield machine, so for lines with deeper buried depths, it is necessary to construct ultra-deep working wells in advance. [0003] In order to ensure the safety of the excavation of ultra-deep working wells, it is often necessary to adopt the reverse method for construction, which ma...

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Problems solved by technology

[0005] The purpose of the present invention is to provide an upper and lower well channel and a construction method for an ultra-deep shaft constructed by the reverse method, and to solve the technical problem in the prior art that it is inconvenient for personnel to go up and down during the construction of the ultra-deep working well constructed by the reverse method

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