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Study on the Construction Monitoring of Long-span Continuous Rigid Frame Bridge

Author: ZhangPing
Tutor: WangCheng；CuiYingMing
School: Chongqing Jiaotong University
Course: Bridge and Tunnel Engineering
Keywords: continuous rigid frame bridge construction monitoring calculation method force alignment
CLC: U445.4
Type: Master's thesis
Year: 2011
Downloads: 46
Quote: 0
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Abstract


With the improvement of technology in bridge construction and the further continously studying on the Effecting Factors on the Structures about Concrete Shrinkage and Creep and temperature,the large-span Prestressed Concrete Continuous Rigid Frame Bridges has already become one of bridge type that mainly adopted. With more and more widely use of Prestressed Concrete Continuous Rigid Frame Bridges,it is increasingly important about the Construction Control to Prestressed Concrete Continuous Rigid Frame Bridge. On the basis of XX bridge of chongqing,the author simulate the whole construction process using reasonable structure computation method by Finite Element Method.And it be used to guide to Construction Control of this bridge. According to its special character on the structure and construction of the Prestressed Concrete Continuous Rigid Frame Bridges we make a reasonable scheme of observation in the course of construction control.The main content of this paper as follows:①According to the Characteristics of Cantilever Construction and the principle of construction stages simulation for Concrete Continuous Rigid Frame Bridges,the author propose the Computational Analysis Method that is suitable for construction stages of Concrete Continuous Rigid Frame Bridges.②Formulate the content and Program of construction monitoring elaboratly.③Calculating and Analysing the construction stages of XX bridge in chongqing by using MIDAS,we get the deflection and Internal Force of erevy construction stages,it make sure Smooth Implementation of monitoring this bridge by providing data for Construction Control of this bridge and guiding construction correctly.④Making the practical state of this bridge close to the ideal state in the maximal degree by monitoring Structural State(the Force and the Alignment) of construction stages according to the monitoring scheme strictly, contrasting and analyzing the measured values and the result of Theoretical Calculation, identifying and Forecasting the error.

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