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Beam section transportation method for bridge girder cantilever assembly

A transportation method and beam segment technology, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of complicated construction procedures, high requirements for working environment conditions, and high construction costs, so as to reduce additional engineering volume and avoid additional engineering The effect of cost, construction and operation convenience

Inactive Publication Date: 2020-05-19
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies in the beam section hoisting method in the prior art, such as higher requirements on working environment conditions, complicated construction procedures, and higher construction costs, and provide a beam section transportation method for bridge main girder cantilever assembly

Method used

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  • Beam section transportation method for bridge girder cantilever assembly
  • Beam section transportation method for bridge girder cantilever assembly
  • Beam section transportation method for bridge girder cantilever assembly

Examples

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Embodiment 1

[0046] A method for transporting bridge girder cantilever-assembled girder sections according to the present invention includes a transport device, and the transport device includes a beam transport vehicle 2 connected below the installed girder section 1 and a beam transport vehicle 2 connected to the installed girder section 1 The beam erecting machine 3 above, the beam transport vehicle 2 includes a walking part 21 and a lifting part 1, and the beam erecting machine 3 includes a walking part 2 31 and a lifting part 2;

[0047] Contains the following steps:

[0048] Step 1. Install the beam erecting machine 3 on the installed beam section 1, and hoist the beam transport vehicle 2 to a predetermined position through the beam erecting machine 3;

[0049] Step 2, transporting the beam section 4 to be installed to the lifting point of the beam truck 2;

[0050] Step 3: Connect the lifting part 1 to the beam section 4 to be installed, and the beam transport vehicle 2 transports ...

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Abstract

The invention discloses a beam section transportation method for bridge girder cantilever assembly. A beam transporting vehicle is connected to the lower portion of an installed beam section, a to-be-mounted beam section can be lifted at a fixed lifting point close to a pier and the like, a construction shortcut or a cofferdam platform of a pier can be directly utilized to reduce additional work amounts, reduce construction measure expenses and avoid the influence of bridge floor arrangement; when the to-be-mounted beam section is transported to a preset position, the lifting part II of the beam erecting machine is anchored on the to-be-mounted beam section and is moved to a design position, then the lifting part I is loosened, the lifting part I is lifted to a preset position for furtherinstallation, the beam section transportation method is convenient for construction operation, high in the mechanization level, safe and reliable and high in construction efficiency, a large amount ofadditional engineering cost is effectively avoided, the beam section transportation method is widely suitable for hoisting and transporting cable-stayed bridges or continuous rigid frame bridges limited by terrain features, and the construction speed and the construction quality are guaranteed.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to a beam section transportation method for cantilever assembly of bridge main girders. Background technique [0002] With the improvement of bridge construction technology in our country, it is no longer a problem to build long-span (span greater than or equal to 100m) bridges across mountains, rivers, lakes and seas. The cantilever assembly method is an economical, reliable and convenient choice for such bridges, but prefabricated The transportation of segments is greatly restricted by the conditions of the construction site. [0003] There are two methods of conventional segmental hoisting: one is the vertical hoisting method, which transports the beam segments to be assembled to the lifting point by ships or vehicles, and lifts them vertically by floating cranes, tower cranes or beam erecting cranes. The transportation conditions at the bridge site are relatively hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 王应良翁怡军叶九发陈志辉赖小盼何杰
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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