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The Study on the Six-Component Coefficient in the Bridge Wind Tunnel Experiment

Author: WeiGuoNa
Tutor: HuQingAn
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Wind tunnel test The static (iii ) six-component test Numerical Wind Tunnel (C ) six-component factor FLUENT
CLC: U446.2
Type: Master's thesis
Year: 2009
Downloads: 118
Quote: 1
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Abstract


In recent years, the rapid rise of bridge construction with the development of the national economy , the People for the city's bridges landscape have higher requirements , in this context , many cities across the river bridge bridge type is increasingly colorful , Tianjin Haihe the Liulin bridge is such a creative bridge from the Dragonfly point of water . Bridge , the primary and secondary wing space structure is very complex , and the the static strength power status by wind farm currently has no instance can reference static coefficient of six-component type of new bridge structures the research is very necessary . This paper first introduces the wind on the bridge dynamic and static role of bridge wind engineering research methods and research status at home and abroad , and then introduces the basic principles of the numerical simulation , and then introduced the four main types of wind tunnel tests of the bridge details static three (vi) component test , and derive the formula of the aerodynamic coefficients of the linear beam model slash beam, the curve beam model in the whole body axis coordinate system , the whole wind axis coordinate system , the local body axis coordinate system of six-component coefficient formula , then highlight the the Liulin bridge main wing structure static six-component test , 6 dynamometer segment overall body axis coordinate system and the overall wind axis coordinate system Finally , under the six-component coefficient describes the numerical simulation of the six-component coefficient Liulin bridge main wing wind tunnel wind farm , the focus will be calculated by the numerical simulation of the six-component coefficient with wind tunnel test results were compared , verified feasibility and reliability of the six-component coefficient method using CFD technology to identify bridges , provide a reference for similar projects instance .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge test observations with the test > Bridge Observation and equipment
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