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Large span prestressed continuous beam bridge construction control technology and applications

Author: ZhangZhiXin
Tutor: HeShuanHai
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Prestressed Concrete Continuous Rigid Frame Construction Control The parameters identify and adjust Prediction feedback control law The application of a real bridge
CLC: U445
Type: Master's thesis
Year: 2003
Downloads: 434
Quote: 26
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Abstract


In this thesis, relying on the of Guangxi water south highway Red River Bridge construction monitoring and control , and examine the latest construction control theories and methods . Bridge construction monitoring including the structure linear and structural stress two aspects of equal importance , full control to the smooth construction , in order to achieve the design state . Through the establishment of the the Bridge structure analysis model , choose the influencing factors , including the identification and adjustment of the structural parameters , construction technology, construction monitoring method , temperature effects , concrete elastic modulus and shrinkage , creep effects , and monitoring, feedback , forecast Bridge Alignment and stress constantly adjust and control to reach the intended target . PC continuous rigid frame bridge characteristics , through in-depth research and comparative analysis of existing predictive control method using a discrete linear systems and the Kalman filter method the structure of state parameter estimation and feedback control technology system , and then proceed to the validation and application of a real bridge . Also , according to the Red River Bridge construction process , according to the structure analysis, construction, testing , prediction , identification , adjustment notice construction cycle characteristics , organization , to develop construction control processes and solutions , Bridge linear and stress detection and control , and to good effect.

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction
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