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Water-rich sandy cobble ground heteromorphosis deep shaft structural system and construction method thereof

A technology of sand and gravel and shaft, which is applied in shaft equipment, well sinking, earthwork drilling, etc., can solve the problem of lack of construction space, reduce unsafe factors, improve economic and social benefits, and avoid occupying area. big effect

Active Publication Date: 2016-05-18
CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Conventional rectangular or circular shaft section types may be restricted by site conditions and surrounding environment and there is no room for implementation

Method used

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  • Water-rich sandy cobble ground heteromorphosis deep shaft structural system and construction method thereof
  • Water-rich sandy cobble ground heteromorphosis deep shaft structural system and construction method thereof
  • Water-rich sandy cobble ground heteromorphosis deep shaft structural system and construction method thereof

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Embodiment Construction

[0028] The present invention will be described in detail below in combination with specific embodiments.

[0029] The invention provides a novel deep shaft construction concept, which enriches the existing shaft construction technology and broadens the deep shaft design thinking. Utilizing the design concept of combining special-shaped deep shafts and mining method tunnels, it can meet the stringent requirements of specific construction conditions for engineering schemes, and provides a brand new solution to ensure reasonable engineering schemes, controllable engineering risks and construction schedules, and engineering quality, safety and reliability. train of thought.

[0030] The special-shaped deep shaft structure system of the water-rich sand and pebble stratum involved in the present invention includes a special-shaped deep shaft structure 1, and the special-shaped deep shaft structure 1 includes a vertical shaft structure 2 with a triangular section from top to bottom, ...

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Abstract

The invention relates to a water-rich sandy cobble ground heteromorphosis deep shaft structural system and a construction method thereof. A conventional rectangular shaft section pattern or a circular shaft section pattern, influenced by established subway lines and surrounding environments, can be limited by site conditions and the surrounding environments, so that an operating space does not exist. The water-rich sandy cobble ground allotypical deep shaft structure comprises a heteromorphosis deep shaft structure, wherein the heteromorphosis deep shaft structure comprises a triangular fracture surface shaft structure, an extended digging section heteromorphosis shaft structure and a quadrilateral fracture shaft structure which are arranged from top to bottom; the horizontal section of the triangular fracture surface shaft structure is triangular, and the horizontal section of the upper part of the triangular fracture surface shaft structure is the same as that of the lower part of the triangular fracture surface shaft structure; the horizontal section of the quadrilateral fracture shaft structure is quadrilateral, and the horizontal section of the upper part of the quadrilateral fracture surface shaft structure is the same as that of the lower part of the quadrilateral fracture surface shaft structure; the triangular fracture surface shaft structure is expanded to form the quadrilateral fracture shaft structure through the transition of the extended digging section allotype shaft structure. The water-rich sandy cobble ground allotypical deep shaft structural system disclosed by the invention has the characteristics of being small in occupied area, large in inner space, flexible to convert and capable of being adapted to various environmental requirements, the requirements for small upper part and large lower part are met, and besides, the surrounding environments can be adapted.

Description

technical field [0001] The invention belongs to the technical field of tunnel engineering, and in particular relates to a structural system of a special-shaped deep shaft in a water-rich sandy pebble formation and a construction method thereof. Background technique [0002] For the current rail transit projects in major cities in China, with the continuous densification of the subway line network, the follow-up subway line construction will be affected by the existing subway lines and the surrounding environment. And the requirements for construction methods and engineering measures are more stringent. Conventional rectangular or circular shaft section types may have no room for construction due to site conditions and surrounding environment restrictions. [0003] The construction method combining the special-shaped deep shaft and the mining method tunnel has the characteristics of flexibility, adaptability, safety and reliability. The cross-sectional structure type with s...

Claims

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Application Information

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IPC IPC(8): E21D8/00E21D5/06E21D5/04E21D1/00E21D7/00
CPCE21D1/00E21D5/04E21D5/06E21D7/00E21D8/00
Inventor 戴志仁柳兴旺王立新王俊康华王天明杨沛敏杜宇马晓波李储军曹伟王博杨小兵毛念华张海罗世明
Owner CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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