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Inland river pier car ramps overhead structural dynamic properties of

Author: LiuQuanXing
Tutor: WangDuoZuo
School: Chongqing Jiaotong University
Course: Hydraulic Structure Engineering
Keywords: Overhead ramps Modal Analysis Response spectrum analysis Dynamic analysis Reasonable slope
CLC: U656.1
Type: Master's thesis
Year: 2010
Downloads: 14
Quote: 0
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Abstract


Many rivers in China's western region , rich in water resources , but mostly mountain river , with the change of seasons , the water level drop is large, the largest up to 30 meters or more. In the Three Gorges Project water to 175 meters after the change in order to reduce the reservoir backwater Chikko deepwater ports increased cost efficiency of ordinary ramp dock , car dock ramp down river overhead of these areas to become the most commonly used structure. In this paper, Chongqing highway and waterway transportation and long-term scientific and technological development project \response spectrum analysis , dynamic analysis and other theories , changes in the Three Gorges Reservoir ramp backwater overhead structures were studied mechanical properties . First through modal analysis , a clear dynamic characteristics of this structure ; provide a reference for the relevant design . Followed by response spectrum method for seismic analysis of such structures , to understand the structure under earthquake response and on this basis, the slope of the overhead for different ramp structure response spectrum analysis, the earthquake on the impact of this structure under different slopes . Finally, the different slopes and different spans overhead ramp structures were dynamic analysis , this structure clearly moving loads weaknesses and load transfer . On this basis, from the rational structure and mechanical properties , this paper presents the structure of reasonable overhead ramp slope .

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CLC: > Transportation > Waterway transport > Port projects > Port of hydraulic structures > Pier
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