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|Contributors: ||NTOU:Department of Harbor and River Engineering|
bridge scour;bridge safety evaluation;scouring factor analysis
|Issue Date: ||2011-06-29T01:38:58Z
abstract:Due to the serious erosion problem of almost all Taiwan rivers, the crossed-river bridges are subjected to scour prolem heavily and the foundation of bridge exposed above the river bed for several meters in ordinary day, not to mention in flooding period after the heavy rain of typhoon or severe thunder storm, several disasters of broken bridge have occurred within these couple years. In order to ensure the safety of bridge structure and transportations, this project will focus on establishing a analysis model about the safety of scoured bridge structure. The model will take into account the hydraulic characteristics and field monitoring data of the river, the influences of protection facilities and quality of the bridge material will also be considered. Through the model, the mechanism of the failure of the bridge system due to the scour can then be analyzed and the guideline of the disaster monitoring and precaution procedure can then be established, and also the maintanence of the bridge after the severe foundation erosions can be evalusted.
|Appears in Collections:||[河海工程學系] 研究計畫|
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