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Dam Surface Partition of Hydrodynamic Load Characteristics in Water Jump Strong Rolling Area and Structural Optimization Study

Author: FuJiaWei
Tutor: YangMin
School: Tianjin University
Course: Water Resources and Hydropower Engineering
Keywords: Dam surface partition Fluctuating pressure Load characteristic Structural Optimization
CLC: TV135
Type: Master's thesis
Year: 2010
Downloads: 34
Quote: 1
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Abstract


In recent years, high water head and large discharge.Flow induced vibration of hydraulic structures in the strong rolling area and intrinsically safe in new energy dissipater have been paid close attention recently in our country`s large hydraulic project. From the points of view for practical uses, this text based on the background of Xiangjiaba hydropower station in the Chinsha River, summarized the Flow characteristics of dynamic load of surface holes and mesopores in the strong rolling area, analyzed the Calculation Results of Dam surface flow induced vibration response of partition in the strong rolling area, simultaneously, according to the dynamic characteristics of the wall, did research on the structural improvement. The detailed structure of the thesis is listed as follow:(1) By means of hydraulic model, measured the point pulsatingload on both side of surface holes and mesopores on the dam surface partition of strong rolling area, researched the load of amplitude characteristic, correlation properties and spectrum characteristic;(2) As different forms of seam points and the partition of different lengths, to engage in the model analysis on Single section partition, Subject partition and Overall partition. The partition of different lengths has different model shapes, analyzed the probability of resonance between all kinds of partition and water flow;(3) Adding the load test and measurement as the incentive condition, calculated and analyzed the partition of dynamic response, evaluated the safety of the structure stability;(4) According to the dynamic characteristics of dam surface partition, from two aspects including partition height and the cross-section shapes, dam surface partition of the structure optimization is studied. After the optimization of the figure, dynamic property has improved.

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CLC: > Industrial Technology > Hydraulic Engineering > The basic science of water resources project > Hydraulics > Engineering hydraulics ( hydraulic construction hydraulics )
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