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Construction method of large-section variable-diameter ore storage bin formwork support

A construction method and large-section technology, applied to the accessories of scaffolding, building structure support, building structure support, etc., can solve the problems of low safety and reliability, low construction efficiency, and difficult construction, so as to improve convenience and facilitate construction , the effect of improving safety

Inactive Publication Date: 2021-07-23
PANGANG GRP ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large diameter of the section and the change in diameter along the elevation, if the formwork support is constructed according to the conventional construction method, there will be problems such as difficult construction, low construction efficiency, and low safety and reliability.

Method used

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  • Construction method of large-section variable-diameter ore storage bin formwork support
  • Construction method of large-section variable-diameter ore storage bin formwork support

Examples

Experimental program
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Effect test

Embodiment

[0031] The total height of the ore warehouse of a chamber unloading system is 36.61m, the elevation of the rail surface of the chamber is 1280.39m, and the floor elevation of the unloading chamber is 1317.00m; The height of the well block section of the ore bin is 3.2m, the height of the clearance diameter of 9m is 8.735m, and the height of the lock section between the upper ore bin and the unloading chamber is 3.0m. The construction of the wall seat section of the ore bin is 11.935m below the unloading chamber floor elevation of 1317.00m, the excavation section gradually changes from a diameter of 10.8m to a diameter of 14.2m, a gradient height of 1.7m, and a section height of 14.2m in diameter of 1.5m.

[0032] According to the construction progress of the above-mentioned chamber unloading system ore warehouse, scaffolding is gradually erected from bottom to top to form a formwork frame. The process of erecting scaffolding is as follows:

[0033] S1, construction preparation...

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Abstract

The invention belongs to the field of mine capital construction, and particularly discloses a construction method of a large-section variable-diameter ore storage bin formwork support. The construction method is convenient for construction of the large-section variable-diameter ore storage bin formwork support. The construction method is easy to operate and convenient to construct, and scaffold components and accessories needing to be used can be conveniently fed into an ore storage bin to erect a scaffold by reserving a material lowering space in a central area in the ore storage bin; vertical rods, bottom horizontal tubes, horizontal rods and diagonal bridging are sequentially erected on an ore storage bin erecting site, the longitudinal and transverse distance between the vertical rods and the layer height of the erected horizontal rods are effectively controlled, the stability of the scaffold is guaranteed, the construction load is reduced to the maximum extent, and safety and reliability are achieved; by arranging a personnel up-and-down passage, the convenience of construction is improved by facilitating up-and-down passage of personnel; by hanging a mounting net, the construction safety is further improved.

Description

technical field [0001] The invention belongs to the field of mine infrastructure construction, and in particular relates to a construction method for a formwork frame of a large-section variable-diameter mine bin. Background technique [0002] The clearance diameter at the largest section of the large-section variable-diameter ore bin is not less than 8m, and the clearance diameter of the mine bin section is connected by a gradual transition section. The variable-diameter ore bin generally includes a lower ore chamber, a central ore body and an upper unloading chamber. Due to the large diameter of the section and the change in diameter along the elevation, if the formwork support is constructed according to the conventional construction method, there will be problems such as difficult construction, low construction efficiency, and low safety and reliability. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a meth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G1/14E04G5/00E04G21/32
CPCE04G1/14E04G5/00E04G5/001E04G5/004E04G21/32E04G21/3204E04G21/3261E04G21/3266
Inventor 谈捷李梦龙周瑜彭益军王波李庭慧
Owner PANGANG GRP ENG TECH
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