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Construction method for large-diameter barrel cabin top

A construction method and large-diameter technology, applied in the field of construction engineering, can solve the problems of long occupation time of lifting equipment, large hidden safety hazards in construction, and large working time at high altitudes, and achieve the effects of reducing construction costs, reducing safety, and improving work efficiency.

Inactive Publication Date: 2013-06-26
JIANGSU JIANGJIAN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of construction requires a lot of time for high-altitude operations, and the hoisting equipment takes a long time, which is not conducive to saving construction costs. Due to the large amount of high-altitude operations, it also forms a relatively large construction safety hazard.

Method used

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Embodiment Construction

[0007] 1. Construction preparation

[0008] 1. Selection and determination of assembly and hoisting methods and selection of hoisting parameters;

[0009] 2. How to divide the steel structure of the warehouse roof into pieces and which pieces to divide into pieces;

[0010] 3. How to carry out the overall layout and specific requirements of assembly and hoisting;

[0011] 4. Main construction methods and technical measures for assembly and hoisting;

[0012] 5. Design of lifting points and lugs and selection and setting of slings.

[0013] In particular, it is necessary to design the ring beam on the top of the silo according to the actual size of the steel structure of the top of the large-diameter silo, design the inclined beams connected between the ring beam and the cylinder in blocks, design two to three inclined beams on one component, and design I-steel inclined beams on one assembly and several steel columns welded between adjacent I-steel inclined beams.

[0014] ...

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Abstract

The invention discloses a construction method of a large-diameter barrel cabin top, and relates to the technical field of building construction engineering. H-shaped inclined steel beams are designed in groups. Welding of an H-shaped inclined steel beam assembly is finished on the ground. After a ring beam is temporarily positioned above a barrel body, the welded H-shaped inclined steel beam assembly is lifted and is respectively welded with the barrel body and the ring beam. Finally, temporary positioning pieces of the ring beam are removed. Due to the fact that the welding of the H-shaped inclined steel beam assembly is finished on the ground, the H-shaped inclined steel beam assembly is lifted between the barrel body and the ring beam according to a suspension center on a design drawing and then is welded, at least 75% of quantity of work on the upper air is saved, quality is effectively guaranteed, safety and high-labor-intensity defects brought by the work on the upper air are greatly reduced, work efficiency is improved, and construction cost of the large-diameter cabin top is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of building construction engineering, in particular to the roof construction technology of large-diameter silos. Background technique [0002] In the current large-diameter silo construction process, after the construction of the cylinder is completed, scaffolding is built, and the ring beam is hoisted above the cylinder, and the ring beam is temporarily positioned at an appropriate distance from the top of the cylinder by temporary positioning parts (such as scaffolding). Then lift each I-steel inclined beam one by one, and weld the upper and lower ends of the I-steel inclined beam to the ring beam and the cylinder respectively at high altitude. This method of application requires a lot of time for high-altitude operations, and the hoisting equipment takes a long time, which is not conducive to saving construction costs. Due to the large amount of high-altitude operations, it also forms a relatively large c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/14E04H7/00
Inventor 赵林
Owner JIANGSU JIANGJIAN GRP CO LTD
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