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TWO-Dimensional Morphological Modelling for SIRAJGANJ Bank Protection Work, Site B2 |
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Location |
Sirajganj District
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Type of Project |
Forecast of critical hydraulic and morphologic condition for River Bank Protection Work
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Period of Study |
January, 2001 - June, 2001
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Client |
Bangladesh Water Development Board (BWDB) |
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Description
The Jamuna is a braided river characterized by frequent
changes in planform. Bangladesh Water Development Board (BWDB) with IDA
credit undertook the River Bank Protection Project (RBPP) in Jamuna River
in 1996. The bank protection work constructed at Sirajganj was completed
in 1998 under contract B2 of RBPP. Since then Brahmaputra Right Embankment
(Specialized) O & M Division, BWDB has been monitoring and maintaining
the completed bank protection works along Jamuna River. The existing
two-dimensional morphological model has been in use since 1998. BWDB
assigned SWMC for carrying out the annual update of the Site B2 model and
for issuing of forecast for 2001 monsoon. In this study the existing model has been updated and
validated on the basis of recent data and applied for issuing of forecast
of probable short-term critical hydraulic and morphological situation in
the ensuing 2001 monsoon for planning and designing of operation and
maintenance of bank protection works. The morphological evaluation of the new river bank
protection structures, constructed in the year 2000 by BWDB in the
upstream reach of Shailabari groyne, was also studied in the present
application of the model.
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