Volume 3, Issue 4, December 2018, Page: 58-63
Effect, Causes, and Possible Measure of Landslide in Bangladesh (Chittagong)
Mohammad Shariful Islam, Department of Civil Engineering, Rajshahi University of Engineering and Technology, Rajshahi, Bangladesh
Received: Dec. 20, 2018;       Accepted: Jan. 9, 2019;       Published: Jan. 29, 2019
DOI: 10.11648/j.es.20180304.14      View  31      Downloads  18
Bangladesh is a densely populated developing country. Landslide is a regular geologic hazard in Bangladesh, specially urbanized hilly areas in Chittagong. Generally, the hills consist of unconsolidated sedimentary rocks such as sandstone, siltstone, shale and conglomerate. it is observed that soil characteristic of Chittagong Hill Tracts is alluvial, silty clay which is vulnerable to landslides. At least 141 people, were killed in separate series of landslides triggered by heavy rains in Rangamati, Bandar ban, and Chittagong on June 13, 2017. The losses have been monumental, and officials fear that the death toll may rise even further in the worst landslide since 2007, when a landslide resulted in the death of around 130 people and affected 1.5 million people in the region. It is disheartening that despite the occurrence of such disasters in the past, we have learnt little from our experiences. This paper mainly discusses the causes and impact of landslides and possible measures that can be taken to prevent future landslides. Southwest monsoon flows over the Bay of Bengal, heading towards northeast India and Bangladesh picking up more moisture from the Bay from June through September. The winds arrive at the Eastern Himalayas with large amounts of rain. Bangladesh and certain regions of India frequently experience heavy rains during this season, and most landslides occur after heavy rainfall. The main reasons identified for landslide were hill cutting ,weak soil structure and devegetation The major impacts of landslide on the local communities, as reported by the respondents were loss of natural scenic beauty economic loss destruction of lives and environmental problems . It is suggested to implement some new and modified structural measures such as vegetation with jute geo-textile can significantly improve the stability of hill slopes.
Chittagong, Landslide, Hill-Cutting, Soil Structure, Heavy Rainfall, Slope Stability
To cite this article
Mohammad Shariful Islam, Effect, Causes, and Possible Measure of Landslide in Bangladesh (Chittagong), Engineering Science. Vol. 3, No. 4, 2018, pp. 58-63. doi: 10.11648/j.es.20180304.14
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Alam, E. M.; Chowdhury, M. A. T. and Akbar, M. T. 2005. Aspects of social environmental problems resulting from hill cutting in the city of Chittagong, Bangladesh: local people’s perspectives. Pakistan Journal of Social Sciences, 3 (8):1048-1052.
Gabhok, T. K. 2004. Disaster Management, The Commonwealth of Learning, Bangladesh Open University.
Bureau of Indian Standards. 1998. Preparation of landslide hazard zonation maps in mountainous terrain - Guidelines (Part2-Macrozonation), vol 14496, 2nd edn. BIS, New Delhi, pp 1–19.
Bodenlos, A. J and Ericksen, G. E (1955) Lead-zinc deposits of the Cordillera Blanca and Cordillera Huayhuash, Peru. US Geological Survey Bulletin 1017, pp 166.
Chisty, K. U. (2014). “Landslide in Chittagong city: A perspective on hill cutting”, Journal of Bangladesh Institute of Planners, 7, 1-17.
Geotechnical Manual for Slopes (GMS). (2011), Geotechnical Control Office, Engineering Development Department, Hong Kong.
Hayat, T 2008, Chittagong Landslide Kills 11, The Daily New Age, 19 August 2008, Dhaka Bangladesh.
Islam, M S 2008, Challenges of Dev: Hill Cutting and Landslide, Speech at Roundtable Discussion arranged by the Daily Star, 30 August 2008, Chittagong, Bangladesh.
Mia, M. T.; Sultana N.; Paul A. (2015) “Studies on the Causes, Impacts and Mitigation Strategies of Landslide in Chittagong city”, Bangladesh. J. Environ. Sci. & Natural Resources, 8(2): 1-5.
Rubel, Y. A and Ahmed, B. 2013. Understanding the issues involved in urban landslide vulnerability in Chittagong metropolitan area, Bangladesh. My COE/SERVIR Himalayas Fellowship Program. Pp 126.
Sarker A. A. and Rashid A. K. M. M. (2013). “Landslide and flashflood in Bangladesh”, Springer, Japan.
Sultana, T. 2013. Landslide disaster in Bangladesh: A case study of Chittagong university campus. International Journal of Research in Applied, 1(6): 35-42.
Schuster, L. R. and Highland, L. M. 2007. “Urban Landslides: socioeconomic impacts and overview of mitigative strategies”, Bulletin of Engineering Geology and the Environment, 66(1), 1-27.
Browse journals by subject