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Square vertical-shaft sectioned hidden water interception structure and construction method thereof

A construction method and technology for vertical shafts, which are used in drainage, shaft equipment, earth-moving drilling, etc., can solve problems such as inconvenience in use and installation, and achieve the effects of reducing water inflow, speeding up construction, and maintaining continuity.

Active Publication Date: 2016-03-30
HUNAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Most of the existing technology is aimed at circular shafts, and there is little research on square shafts. Due to the difference in well structure, some water interception structures suitable for circular shafts are not completely suitable for square shafts, and the water interception structures currently used Inconvenient to use and install

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  • Square vertical-shaft sectioned hidden water interception structure and construction method thereof
  • Square vertical-shaft sectioned hidden water interception structure and construction method thereof

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] like figure 1 , figure 2 As shown, the segmental dark water interception structure of the square shaft of the present invention comprises a plurality of dark water interception tanks 1, aqueducts, concrete supports 9, water guide layers 3, rubbers 6, small drain pipes 7 and large drain pipes 13, the A plurality of concealed cut-off grooves 1 are arranged on the shaft inner wall of the vertical shaft from top to bottom, the dark cut-off grooves 1 are closed squares, and a retaining wall 2 is provided at the opening of the dark cut-off grooves 1 . A water diversion port 12 is provided on the top of the concealed intercepting tank 1, and a concrete layer is arranged at the bottom of the concealed intercepting tank 1, which is leveled through the concrete layer and set to a drainage gradient of 0.3%. An aquifer 3 is provided between two adjacent dark intercepting...

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Abstract

The invention discloses a square vertical-shaft sectioned hidden water interception structure and a construction method thereof. The square vertical-shaft sectioned hidden water interception structure comprises multiple hidden water interception grooves, a water guide pipe, a concrete support, small water draining pipes and large water draining pipes, wherein the multiple hidden water interception grooves are formed in the inner wall of a vertical shaft from top to bottom and are in closed square shapes, and a water retaining wall is arranged at the opening positions of the hidden water interception grooves. The concrete support is arranged on the inner wall of the vertical shaft. Each hidden water interception groove is communicated with the surrounding rock above the hidden water interception groove through a water guide pipe. The small water draining pipes are respectively arranged at the bottoms of the hidden water interception grooves and penetrate through the water retaining wall and the concrete support to be connected with the large water draining pipes. The square vertical-shaft sectioned hidden water interception structure adopts the hidden water interception grooves, guides scattered gushing water and concentrated gushing water into the water interception grooves, the hidden water interception grooves do not occupy a shaft space compared with visible water interception grooves, construction is convenient, the construction speed of the square shaft is improved, and meanwhile the quality of the inner wall of the shaft is ensured.

Description

technical field [0001] The invention relates to a sectioned concealed water interception structure of a square shaft and a construction method thereof. Background technique [0002] Water gushing in the wellbore often leads to slow construction speed, poor quality of the well wall, and frequent accidents of water inrush and flooding during construction. Shaft water cut-off structure is widely used in the process of excavating vertical shafts to intercept water spraying on the well wall to ensure the forming quality of concrete support. In the shaft excavation process, for the water gushing part of the shaft wall, using the intercepting structure to intercept the water gushing water is an important means to ensure the quality of the shaft wall support. vital significance. [0003] At present, most of the water intercepting structures widely used are well wall insertion type or prefabricated type. The well wall insertion water intercepting structure adopts steel plate to be ...

Claims

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Application Information

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IPC IPC(8): E21D7/00E21F16/00
CPCE21D7/00E21F16/00
Inventor 赵延林唐劲舟万文
Owner HUNAN UNIV OF SCI & TECH
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