Steel box beam pushing and deviation correcting method for walking type multiple-point continuous pushing technique

A walking-type, steel box girder technology, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as steel box girder tilt and lateral offset, out-of-tolerance, and out-of-synchronization of jacking equipment

Inactive Publication Date: 2017-05-10
HAIOD HEAVY ENG TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a steel box girder jacking and deflection correction method of the walking multi-point continuous jacking process, which solves the problems of out-of-synchronization of the jacking equipment, inclination of the steel box girder, or out-of-tolerance lateral offset in the prior art question

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  • Steel box beam pushing and deviation correcting method for walking type multiple-point continuous pushing technique
  • Steel box beam pushing and deviation correcting method for walking type multiple-point continuous pushing technique

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, and the content of the present invention is not limited to the following embodiments.

[0031] The steel box girder jacking and deflection correction method of the walking multi-point continuous jacking process provided by the present invention performs vertical jacking control during the jacking and falling process of the steel box girder, and performs synchronous jacking control and correction during the translation process of the steel box girder. Central axis deviation correction control runs through balance degree control and cumulative error control throughout the pushing process, using pressure sensors, displacement sensors and photoelectric switches for color difference detection to monitor and detect the steel box girder pushing pressure and the deviation distance of the central axis during the pushing process in real time , the details are as f...

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Abstract

The invention provides a steel box beam pushing and deviation correcting method for a walking type multiple-point continuous pushing technique. A multiple-point walking type pushing technology is adopted, and a plurality of walking type pushing devices are controlled in a centralized mode for synchronous construction, so that the construction speed is increased, and construction safety is ensured; and vertical jacking control is conducted in the jacking and falling processes, synchronous pushing control and central axis deviation correcting control are conducted in the translation process of a steel box beam, balance degree control and accumulative error control are continuously conducted in the whole pushing process, a pressure sensor, a displacement sensor and an optoelectronic switch monitor and detect the steel box beam pushing pressure and the central axis deviation distance in the pushing process in real time through color difference detection, and smooth construction is ensured.

Description

technical field [0001] The invention relates to a steel box girder jacking and deflection correction method of a walking multi-point continuous jacking process, which belongs to the technical field of bridge engineering. Background technique [0002] Push-sliding construction is a bridge, roof truss, steel structure and other engineering production methods with a certain degree of hesitation. For example, the Chinese invention application "walking multi-point push construction method" (application number 201210042810.4) discloses the following content: walking The multi-point jacking scheme uses the two steps of "jacking" and "pushing" alternately. First, the whole steel box girder is lifted up by the supporting jacking cylinder, and then pushed forward by the jacking cylinder, and then the steel box girder is pushed forward. placed on a temporary pier structure. The jacking cylinder shrinks to the bottom, and continues to realize the next cycle. Through the cycle of recipr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 胡元峰宋雄文叶顺武德智
Owner HAIOD HEAVY ENG TECH
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