Test Studyed of Yangjiawan Grand Bridge in the Project of Lanyu Railway by Movable Bed Model

Wen She He; Long Yuan; Shuang Mei Chang; Jing Jing Feng; Liang Ming Wang

doi:10.4028/www.scientific.net/AMM.204-208.2070

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Test Studyed of Yangjiawan Grand Bridge in the...

Test Studyed of Yangjiawan Grand Bridge in the Project of Lanyu Railway by Movable Bed Model

Abstract:

Yangjiawan grand bridge is located in Lanzhou section of the Yellow River. In order to study the change laws near the bridge site of flow direction, velocity distribution, water surface slope, backwater area, river bed topography change and the effect of flood control on Lanzhou city after the bridge-built when the river gets through the average discharge, 20-year discharge, and 100-year discharge before and after the bridge-built. Based on the similar principle of model, the river near the bridge site was simulated by the hydraulic model experiment of movable bed. The result of experiment showed that the design data adopted in bridge project of Yangjiawan grand bridge were reasonable and fulfilled the requirements of city flood control. It was also suggested to excavate and dredge river near the piers of 6# ~11# and strengthen embankment near the riverbank and protection of constructions after the bridge-built.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

2070-2073

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.2070

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Online since:

October 2012

Authors:

Wen She He, Long Yuan, Shuang Mei Chang, Jing Jing Feng, Liang Ming Wang

Keywords:

Evolution of River Bed, Grand Bridge, Hydraulic Model Experiment, Movable Bed

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