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Pit foundation supporting structure for mining

A support structure and pit foundation technology, which is applied in infrastructure engineering, excavation, construction, etc., can solve the problems that the deformation of the support structure cannot be adjusted, and achieve the possible effects of ensuring stability, increasing the gripping force, and reducing sliding

Inactive Publication Date: 2018-06-12
成都伍加玖网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The pit foundation support structure used in the prior art has the following problems: different geology has different characteristics, and the deformation of the support structure cannot be adjusted according to the specific geology

Method used

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  • Pit foundation supporting structure for mining
  • Pit foundation supporting structure for mining
  • Pit foundation supporting structure for mining

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0021] See Figure 1-3 , The present invention provides the following technical solutions: a mining pit foundation support structure, including bolts 3, adjustment modules 9, through holes 14, the upper end of the base plate 2 is provided with an adjustment module 9, the adjustment module 9 and the base plate 2 The two ends are fixedly connected by bolts 3 and nuts. The upper end of the base plate 2 is provided with a supporting plate 11...

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Abstract

The invention discloses a pit foundation supporting structure for mining. The pit foundation supporting structure comprises a bolt, an adjusting module and a through hole; the adjusting module is arranged at one end of the upper portion of a base plate, and a supporting plate is arranged at the other end of the upper portion of the base plate; a spring cavity is formed in one end of the interior of the adjusting module, and a lead screw is arranged at the other end of the interior of the adjusting module; a spring clamping plate is arranged at the end, close to the lead screw, of the interiorof the spring cavity; and a spring is arranged on one side of the spring clamping plate, and a torsion head is arranged at the end, away from the spring cavity, of the lead screw. The pit foundation supporting structure has the beneficial effects that the pretightening force of the spring can be determined according to the geological softness degree of a foundation pit, the torsion head is operated to rotate clockwise to pressurize the spring, the pretightening force of the spring is increased, otherwise, the pretightening force of the spring is decreased, the extruding force resulting in deformation of the supporting structure through the foundation pit wall is adjusted, the deformation space is reserved for the supporting structure, the supporting structure is protected, and the situation that the supporting structure is damaged due to the geological reason and excessively-large extruding force to the following supporting plate by the foundation pit wall is avoided.

Description

Technical field [0001] The invention belongs to the technical field of foundation pit support, and specifically relates to a pit foundation support structure for mining. Background technique [0002] Foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, supporting, reinforcing and protecting the side walls and surrounding environment of the foundation pit. As a structural system, foundation pit support should meet the requirements of stability and deformation, that is, the requirements of the two limit states mentioned in the general specification, namely the bearing capacity limit state and the normal service limit state. The so-called limit state of load-bearing capacity, for foundation pit support, refers to the damage of the supporting structure, toppling, sliding, or damage to the surrounding environment, resulting in large-scale instability. The general design requirements do not allo...

Claims

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Application Information

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IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 王朝菊
Owner 成都伍加玖网络科技有限公司
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