Construction method of shaft antiseep structure used when large section of inclined shaft passes through aquifer

Abstract

Disclosed are a shaft antiseep structure used when the large section of an inclined shaft passes through an aquifer and a construction method thereof. The shaft antiseep structure is a multilayer supporting structure of a mine laneway. The shaft antiseep structure comprises a primary support and a permanent support. Water-resisting layers are paved on the surface of the primary support and in the position between the primary support and the permanent support. The permanent support is a concrete masonry-lining support. A profile steel support is composed of an arch part support, a left side wall support, a right side wall support and an antiarch support, and a water filtering layer is arranged on the lower side of the antiarch support. The shaft antiseep structure solves the problem that shaft antiseep measures are not sufficient in the shaft construction process that the large section of the inclined shaft in a mine passes through the aquifer, and further solves the problems of being long in construction period and high in cost in a traditional inclined shaft unwatering and water retention technology.

Description

technical field [0001] The invention belongs to the field of mine tunnel excavation, and in particular relates to a wellbore anti-leakage structure and a construction method for a mine inclined shaft with a large section passing through a water section. Background technique [0002] In recent years, it is inevitable to encounter aquifers during the development of coal resources and mine excavation. With the advancement of mining technology, more and more technicians have proposed the concept of green mining. Water conservation is the premise of construction in green mining, and the smooth passage of the wellbore through the aquifer is the goal to be achieved. Therefore, it involves two parts of construction technology: water conservation mining and inclined shaft passing through unstable soil layers. [0003] At this stage, the construction technology of mine inclined shafts passing through unstable soil layers (aquifers) is relatively mature, and various construction method...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a construction method for the anti-leakage structure of the wellbore with a large cross-section passing through the aquifer, to solve the problem of insufficient anti-leakage measures for the shaft during the construction of the shaft with a large cross-section passing through the water-bearing section of the inclined shaft. The problem of long construction period and high cost of traditional inclined shaft dehydration and water retention technology

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