Steel Box Girder - Steel Tube Arch Bridge Fall-Girder System Conversion Technology Construction Control Research

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Abstract:

In order to make steel box girder - steel tube arch bridge into the bridge state more reasonable, this paper studies the construction monitoring method regarding the fall girder method adopted to conduct system transformation. Using optimal control theory to determine the fall girder method girder jack-up height, control the line shape and stress of arch and girder and derrick force, and control the Vietnam Da Nang Dragon Bridge construction process. Studies have shown that fall girder method to conduct the system conversion can meet the design requirements, and optimal control method in fall girder method system conversion can obtain good effects. Fall girder method and optimization control method is worth extending to the similar bridge construction and control.

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1390-1397

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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