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The Theory and Numerical Analysis of the Concrete Crack of Bridge

Author: HuangZuoFeng
Tutor: YangJiXin
School: Wuhan University of Technology
Course: Road and Railway Engineering
Keywords: Concrete cracks Cracking theory Finite Element Analysis Protective measures
CLC: U445.71
Type: Master's thesis
Year: 2005
Downloads: 419
Quote: 7
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Abstract


Bridge concrete cracks is a widespread and difficult to solve practical engineering problems . For bridge structures , concrete cracks is a the bridge defects centralized performance is also the most common diseases of the bridge . Bridge cracks in concrete research has a very important significance for the structure of the overall quality . Cracks in some solid material discontinuities , cracks in concrete members are overwhelmed by companions . Innovation continue to apply with the concrete , the concrete varieties , Concrete Scope continue to broaden the theory of concrete cracks and concrete cracks will continue in-depth development . Combined with the status of the bridge concrete cracks first study the type of concrete cracks and cracks , and to explore the influencing factors of the different types of cracks , and discusses in detail the principles of existing cracks in the theory and their respective characteristics and differences , in order to similar situations in the actual project provided a certain reference value . On the basis of the strength of concrete theory of bridge concrete cracks appear , distributed and carried out by research , analysis of the morphology and the mechanism of its destruction under different loads . Yangtze River Bridge tower column cable-stayed anchoring section , for example , discusses the need for space finite element method to analyze the actual structural members simulation , and use of the the ansys structure analysis software to build analysis model , its structure crack resistance analysis , details the use of the method of calculation and analysis process . Through the analysis of the calculation results of the study , summarizes the characteristics of the force , the stress distribution and crack resistance . Proposed on the basis of the theoretical analysis and the practice of checking the concrete cracks , concrete crack control measures , and to provide for the comprehensive management of the future bridge disease the technical prerequisite and basis for decision making . Target on the the bridges concrete cracks field trends and in-depth work to do further explore and Prospects .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Bridge maintenance, repair and remediation > Bridge defects and remediation
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