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Construction operation platform hoisting frame of bridge high pier and construction method of construction operation platform hoisting frame

A work platform and construction platform technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve problems such as high cost, and achieve the effect of solving cumbersome work, strong operation and implementation, and avoiding high cost problems.

Inactive Publication Date: 2019-08-16
CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For the deficiencies that exist in the existing above-mentioned background, the construction operation hoisting frame of the bridge high pier provided by the present invention is firm and safe as the high pier lifting platform; meanwhile, the construction method of the construction operation hoisting frame of the bridge high pier provided by the invention, Greatly shorten the construction period, avoid the cumbersomeness and the high cost problems caused by it, and the operation is strong

Method used

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  • Construction operation platform hoisting frame of bridge high pier and construction method of construction operation platform hoisting frame
  • Construction operation platform hoisting frame of bridge high pier and construction method of construction operation platform hoisting frame
  • Construction operation platform hoisting frame of bridge high pier and construction method of construction operation platform hoisting frame

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Embodiment 1

[0035] This embodiment takes the Luliuhe Bridge located at the third bid section of Wutangxun Expressway in Yunnan as an example, see figure 1 As shown in the figure, the terrain of the building is complex, and the left and right sides of the bridge are completely separated. The left and right main spans are both 130m, the left-line bridge is 284m long, and the right-line bridge is 283.5m long. The bridge has two main piers, namely 1# and 2# piers. The pier heights are 56m for the left 1# pier, 51m for the left 2# pier, 45m for the right 1# pier, and 46m for the right 2# pier. The cross-sectional size is 800cm×200cm. The four pier columns of the two main piers of the bridge are all high piers exceeding 40m, and the technical scheme of the present invention is used for construction during specific implementation.

[0036] Taking advantage of the compressive properties of concrete, two pipes are pre-buried longitudinally in the pier body to place steel rods 2, and the two ends...

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Abstract

The invention discloses a construction operation platform hoisting frame of a bridge high pier. Pipelines are pre-embedded in pier columns for storing steel bars through the compression resistance property of concrete, the pier columns serve as supports to lay I-shaped steel on the basis of the steel bars to manufacture a bracket shaped like a Chinese character 'jing', a construction platform capable of being overall hoisted is formed, the bracket and pier column main bars are tied through a chain block, thus the bracket is synchronously lifted along with elevating of the pier columns, the complexity of a construction structure is avoided through the structure, and the cost is reduced; and meanwhile, the invention further discloses a construction method of the hoisting frame, and the construction method is high in operability and high in safety.

Description

technical field [0001] The invention relates to the technical field of high bridge pier construction, in particular to a construction method of a lifting frame for a construction operation platform of a high bridge pier and the lifting frame. Background technique [0002] At present, with the development and construction of my country's highway network, more and more high-pier bridge schemes are being adopted and constructed. In the past construction of bridge piers with equal cross-sections, steel pipe supports were mostly used as construction platforms and hoisted with well-shaped frames. However, for 30-80m high piers, the traditional construction method is not only cumbersome, but also has high cost and long construction period. Safety is not guaranteed. If hydraulic climbing formwork is used, it is not economical due to the small number of turnovers. Therefore, it is urgent to find reasonable and efficient new technologies and new processes to solve the problems of erec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D19/02
CPCE01D19/02E01D21/00
Inventor 王晓岭陈恒张俊宏庞拓张记广张拥法杨玉国
Owner CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD
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