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http://dx.doi.org/10.5762/KAIS.2014.15.3.1756

Numerical Analysis of Flow and Bed Changes for Selecting Optimized Section of Buried Water Pipeline Crossing the River  

Jang, Eun-Kyung (River and Coastal Research Division, Water Resources & Environment Research Department, Korea Institute of Construction Technology)
Ji, Un (River and Coastal Research Division, Water Resources & Environment Research Department, Korea Institute of Construction Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.3, 2014 , pp. 1756-1763 More about this Journal
Abstract
A water pipeline buried under the riverbed could be exposed by bed erosion, therefore safe crossing sections should be analyzed for preventing damages due to the exposure of pipelines. In this study, flow and bed changes have been simulated using a two-dimensional numerical model for selecting the optimized section of pipeline crossing in the Geum River. As a result of simulation with the 20-year recurrence flood, sediment deposition has been distributed overall in the channel and bed erosion over 2 m has occurred near bridge piers. For the extreme flood simulation, the channel bed near the bridge piers has been eroded down to the buried depth. Therefore, within 140 m upstream of the bridge piers, bed erosion affects a buried pipeline in safety due to bridge pier effects and the crossing section over 150 m upstream of bridge piers is selected as a safe zone of a water pipeline.
Keywords
Bed Change; CCHE2D; Numerical Analysis; Pipeline Crossing; River Crossing Structure;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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