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Overall carrying dismantling method for overline suspender arch bridge

A technology for suspension rods and arch bridges, which is applied in the field of overall transportation and dismantling of suspension rod arch bridges. It can solve the problems of dust solid waste, vibration and noise pollution, long construction time on the road, and high safety risks, so as to shorten the total construction period, The effect of saving construction time and reducing exhaust gas emissions

Pending Publication Date: 2021-12-31
CCCC ROAD & BRIDGE SPECIAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] For the demolition of the cross-line suspender arch bridge, the existing demolition methods (blasting demolition, mechanical chisel removal, beam body block cutting and hoisting demolition, etc.) not only take up a long construction time on the road (generally, the traffic time of each cross-line bridge is closed for 10 to 36 hours ), high safety risks, and will generate a large amount of dust, solid waste, vibration and noise pollution. Secondary crushing and waste transportation also require a large amount of equipment, consuming a large amount of oil, manpower and other resources

Method used

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  • Overall carrying dismantling method for overline suspender arch bridge
  • Overall carrying dismantling method for overline suspender arch bridge

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0038] In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not indicative or implied. It should not be construed as limiting the invention that a device or element must have a particular orientation, be constructed, and operate in a particular orientation.

[0039] Such as figure 1 As shown, a suspension rod arch bridge 1 spans the main line road 2, and a beam drop site 3 is set. ...

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Abstract

The invention discloses an overall carrying dismantling method for an overline suspender arch bridge, which comprises the following steps of: firstly selecting a beam storage site with a proper size, reinforcing a suspender arch bridge, cutting a side span, performing hoisting and dismantling, then closing main line traffic under the bridge, carrying a support frame adaptive to the beam bottom clearance height by a vehicle set to run to the beam bottom, pre-jacking the suspender arch bridge by the vehicle set, and after the arch ring is cut, rapidly moving the whole suspender arch bridge out of the main road to the beam storage site to be broken and chiseled away. The method has the technical effect of quickly dismantling the overline suspender arch bridge, is small in traffic influence, low in construction risk, environmentally friendly, good in application prospect and capable of being widely applied to the technical field of bridge dismantling.

Description

technical field [0001] The invention relates to the technical field of bridge demolition. More specifically, the present invention relates to a method for dismantling the overall piggyback of a line-span suspender arch bridge. Background technique [0002] For the demolition of the cross-line suspender arch bridge, the existing demolition methods (blasting demolition, mechanical chisel removal, beam body block cutting and hoisting demolition, etc.) not only take up a long construction time on the road (generally, the traffic time of each cross-line bridge is closed for 10 to 36 hours ), high safety risks, and will generate a large amount of dust, solid waste, vibration and noise pollution. Secondary crushing and waste transportation also require a large amount of equipment, consuming a large amount of oil, manpower and other resources. [0003] How to quickly dismantle the cross-line suspension rod arch bridge and reduce the traffic impact caused by construction is a techni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D24/00E01D4/00
CPCE01D22/00E01D4/00
Inventor 朱慈祥赵东奎陈泽高望姜传刚周华威
Owner CCCC ROAD & BRIDGE SPECIAL ENG
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