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Concrete support beam no-support disassembly method

A technology for supporting beams and concrete, applied in excavation, construction, infrastructure engineering, etc., can solve the problem of time-consuming and laborious demolition of concrete supporting beams, and achieve the effect of saving cutting time, speeding up construction progress, and reducing construction procedures.

Active Publication Date: 2018-10-02
CHINA MCC20 GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention proposes a bracket-free removal method for concrete support beams, aiming to solve the time-consuming and labor-intensive problem of removing existing concrete support beams

Method used

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  • Concrete support beam no-support disassembly method
  • Concrete support beam no-support disassembly method
  • Concrete support beam no-support disassembly method

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Embodiment Construction

[0026] The preferred embodiments of the present invention will be described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0027] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" and other terms indicating directions or positional relationships are based on the attached drawings. The direction or position relationship shown is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be configured and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0028] In addition, it should be noted that in the description of the present invention, unless otherwise clearly defin...

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Abstract

The invention provides a concrete support beam no-support disassembly method. The method comprises the following steps: (a) a cutting scheme is actually determined according to the scene; and a cutting position is marked on a concrete support beam needing to be cut according to the cutting scheme; (b) concrete at the upper corner of the cutting position of the support beam is drilled off, so thata main rib at the upper corner of the support beam is exposed; and a through groove for enabling a diamond chain to penetrate through is drilled in the lower part of the main rib; (c) the diamond chain penetrates through the groove to wind the bottom of the support beam by one lap; the closed diamond chain is connected; and then, the segmented cutting is performed on the support beam through the diamond chain; and (d) after the segmented cutting work of the support beam is finished, each section of the support beam is lifted through a crane; and the main rib connected to the upper part of thesupport beam is cut off, so that each section of the support beam is thoroughly cut off, and is lifted for transportation one by one.

Description

Technical field [0001] The invention relates to the technical field of civil engineering, in particular to a method for dismantling a concrete support beam without a bracket. Background technique [0002] At present, in many foundation pit projects, reinforced concrete inner support beams are used to withstand the retaining structure of the foundation pit to ensure the safety of the foundation pit during excavation and construction. When the reinforced concrete support beam is cut and removed in sections by wire saws, saw blades, etc., it is generally necessary to set a support bracket at the bottom of the support beam (the bottom bracket is usually a steel pipe scaffold, or a steel structure horse stool, etc.). The lower concrete support beam supports it, and then binds the wire rope for lifting, or uses a forklift to remove it. However, due to the limited working surface of the site and the tight construction period, the erection and removal of supporting brackets and other fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 施群凯陶荣江张雄
Owner CHINA MCC20 GRP CORP
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