DBPapers
DOI: 10.5593/sgem2011/s13.103

APPLICABILITY OF REINFORCED CONCRETE SPURS IN RIVER BANK PROTECTION: A CASE STUDY IN BANGLADESH

AUTHOR/S: J. UDDIN, M. JUJULY, M. HOSSAIN, A. RAHMAN
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 2, 777-784 pp

ABSTRACT

River bank erosion is a major problem in Bangladesh, which is known as the ‘land of
rivers’, and suffers from major floods frequently. Due to braided river and alluvial soil
type, river bank erosion is quite common in Bangladesh. The country spends millions of
dollars every year to control river bank erosion, which appears to be inadequate. This
paper reviews river bank erosion problem in Bangladesh in general and in particular,
evaluates the performance of a new technique and identifies avenues for further
improvement of this technique. This new technique utilizes Reinforced Cement Concrete (RCC) spur to achieve bank protection at a reasonable cost. In the last decade,
some 38 RCC spurs were constructed along the Ganges, Jamuna, Teesta and Dudkumar
Rivers in Bangladesh. The spurs in the Teesta and Dudkumar Rivers have been
functioning well, but in the Ganges and Jamuna Rivers, some spurs have been damaged
in recent years. This paper identifies the causes of these failures, and reviews the design,
implementation and maintenance issues of these spurs. It has been found that some
modifications in design, care during construction and maintenance would enhance the
performance of this new lost-cost river bank protection technique.

Keywords: Reinforced Cement Concrete (RCC), Spur, River Training, Braided River, Sand bar (Island), Chute Channel

PAPER 2011/s13.103: APPLICABILITY OF REINFORCED CONCRETE SPURS IN RIVER BANK PROTECTION: A CASE STUDY IN BANGLADESH

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