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A separate demolition and hoisting method for large corbels used in high pier construction

A hoisting method and separate technology, applied in the direction of erecting/assembling bridges, bridge parts, bridges, etc., to achieve the effect of reducing the risk, saving construction machinery, and speeding up the construction progress.

Active Publication Date: 2018-04-06
ROAD & BRIDGE INT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems existing in the overall hoisting of corbels in the current construction, and to provide a separate hoisting method for large-scale corbels for high pier construction, which can reduce construction safety risks when hoisting corbels, reduce investment in mechanical equipment, and save construction costs

Method used

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  • A separate demolition and hoisting method for large corbels used in high pier construction
  • A separate demolition and hoisting method for large corbels used in high pier construction
  • A separate demolition and hoisting method for large corbels used in high pier construction

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Embodiment Construction

[0024] The method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] figure 2 Shown is the flow chart of the method of the present invention. The specific process is as follows:

[0026] Such as image 3 As shown, before the separate disassembly of the corbel, a pair of tie beams 8 perpendicular to the tie beam are welded horizontally at the intersection of the vertical brace 2 of the corbel and the tie beam 5, and the two ends of the tie beam 8 protrude from the tie beam. Outside the two sides of the leg; use two pull rods 9 to connect the two ends of the tension beam on the two corbels respectively, and pull the pair of corbels on both sides of the high pier to each other;

[0027] When welding the tie beam at the junction of the vertical brace and the tie beam, if there is a gap between the tie beam 8 and the vertical brace 2 and the tie beam 5, then fill and weld the stiffener 10 in the gap.

[0028] Then...

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Abstract

The invention provides a separated dismantling and hoisting method for large-scale corbels used for high pier construction. During separated dismounting, firstly, an opposite-pull beam is welded to the interchanges of vertical supports and connecting beams of the corbels, and the pair of corbels are oppositely pulled through pull rods; then connection between cross beams and supports of the corbels is dismantled, and the cross beams are hoisted to the ground through cranes; and the corbel supports on the two sides of a pier body are lifted through the two cranes at the same time, the pull rods are dismantled, and the corbel supports are hoisted to the ground. During corbel mounting, firstly, the supports of the pair of corbels are separately hoisted to the two sides of the pier body through the two cranes to be mounted and oppositely pulled through the pull rods; and then the corbel cross beams are hoisted, and the pull rods are tensioned through hydraulic jacks.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to the installation and method of large corbels used in formwork during the construction of high bridge piers. Background technique [0002] The non-self-propelled mobile formwork used in the construction of high bridge piers is equipped with many pairs of large corbels. The installation structure of the corbel on the high pier is as follows: figure 1 As shown, the corbel includes a beam 1 and a support. The support includes a vertical brace 2 and a diagonal brace 3. The lower ends of the vertical brace 2 and the diagonal brace 3 are fixedly connected. In the reserved hole 14 of the high pier 13; the vertical brace 2 and the diagonal brace 3 are welded and connected by the connecting beam 5; Connect to beam 1. The corbels are usually used in pairs and installed on both sides of the high pier respectively. figure 1 Shown is a schematic diagram of the installation stru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00E01D19/02
CPCE01D19/02E01D21/00
Inventor 杨占群王欣常有斌张亚海刘让群胡逢辉
Owner ROAD & BRIDGE INT
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