Research Into Reducing Inland Water Damage
Inside Large-scale Storage Pipe Basins
Author(s)
M. Onishi
Abstract
The large-scale water storage pipes taken as the subject of this study have basins
of at least 4,000 ha and are connected to numerous main sewers/pump stations.
Therefore, operation of the storage pipes to make maximum use of the storage
effect is a complex challenge. This research aimed to conduct a study for
efficient operation of each pump station and effective use of main lines in regard
to various rainfalls in a large-scale storage pipe basin. We confirmed that it
would be possible to shut down pump stations during construction, if the pump
station needs to be reconstructed, by connecting multiple pump stations with a
network of the large-storage pipe across a drainage area. The simulation results
also verified that this design method is effective for the maximum recorded
rainfall, which exceeds the target design rainfall. This is considered to be
because actual rain does not uniformly fall over a basin (rainfall tends to be
unevenly distributed), and so a network effect between pump stations is
displayed in which low-operating pump stations are compensated for by other
pump stations. The methods for effective use resulting from this research are
considered to be widely applicable, and we intend to confirm these results in
other basins in the future.
Keywords: network of large-scale water storage pipes, large-scale stormwater.
Keywords
network of large-scale water storage pipes, large-scale stormwater.
Related Book
Other papers in this volume
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