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Over-line continuous beam removing method and support for removing

A technology of spanning lines and beams, which is applied in the field of general bridge structure demolition, can solve the problems of inadequate safety protection, large hoisting equipment, unreasonable supporting structure, etc., to reduce bearing risks, reduce construction investment, and facilitate construction. Effect

Active Publication Date: 2017-05-10
SINOHYDRO BUREAU 8 CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing cross-line continuous beam removal method has problems such as insufficient safety protection, unreasonable support structure, and large-scale hoisting equipment used, which affects the safe construction to a certain extent.

Method used

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  • Over-line continuous beam removing method and support for removing
  • Over-line continuous beam removing method and support for removing
  • Over-line continuous beam removing method and support for removing

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Experimental program
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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Such as Figures 1 to 5 As shown, a method for dismantling a cross-line continuous beam of the present invention comprises the following steps:

[0039] S1: Erection of support: take the bridge pier 7 and the cross-line surface 4 as the erection foundation, erect the support 2 along the side of the bridge pier 7, and the beam body 3 of the bridge is carried on the support 2 as a whole;

[0040] S2: Temporary padding of pier beams: use rubber pads 9 to temporarily pad the gap between the beam body 3 of the mid-span and the pier 7, so as to ensure that the load of the beam body 3 is effectively transmitted to the pier 7 during the cutting process;

[0041] S3: Horizontal slitting: cut off the beam body 3 from the mid-span part of the mid-span, take the pier 7 of the temporary pier 7 as the supporting point of the beam body 3, an...

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PUM

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Abstract

The invention discloses an over-line continuous beam removing method. The method comprises the following steps of 1 support erecting, 2 temporary pier beam padding, 3 transverse stripping, 4 blocking hanging and 5 support removing. The invention further discloses a support for removing in the method. The support comprises supporting pieces and hoops, the supporting pieces are arranged on bearing platforms on the peripheries of the bottoms of the corresponding piers and are parallel to the piers, the supporting pieces are clamped on the sides of the piers through the hoops, distribution beam groups are installed on the tops of the adjacent two supporting pieces in an overlapping mode, and a bearing support used for bearing the weight of a bridge when the bridge is removed is installed on the tops of the distribution beam groups. The method has the advantages of being safe, stable, environmentally friendly in construction and the like, and the support has the advantages of being convenient to operate, capable of reasonably utilizing the mechanics principle and high in construction efficiency.

Description

technical field [0001] The present invention mainly relates to the technical field of demolition of general bridge structures, in particular to a method for dismantling a continuous beam across a line, and also relates to a bracket for removing a continuous beam across a line in the method for dismantling a continuous beam across a line. Background technique [0002] Classification of current bridge applications can be divided into two major categories: blasting demolition and mechanical (non-blasting) demolition. Each category includes a variety of different applications and has its own scope of application. Most bridges are demolished by blasting, direct demolition, and mechanical hoisting, but bridges spanning existing traffic lines are generally demolished by mechanical methods. The mechanical demolition method refers to the use of mechanical equipment to break, divide, hoist and other forms of bridge demolition. Most bridges in the water are dismantled by floating cran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D24/00
CPCE01D22/00
Inventor 李亚民艾祖斌陈钒黄巍卢超高天卓越杨霁蒋帆朱向阳袁野李杰何志兰熊利苏坤黄深镜
Owner SINOHYDRO BUREAU 8 CO LTD
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