Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability

Haor is the local name of the saucer-shaped, naturally depressed areas of Bangladesh. There are 414 haors in the northeast region that comprise approximately 17% of the country. These areas are submerged under deep water from July to November due to the overflow of rivers and heavy rainfall, causi...

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Main Authors: Alam, M.K., Hasan, MD.R.
Format: Article
Language:English
Published: Penerbit Universiti Sains Malaysia 2010
Subjects:
Online Access:http://eprints.usm.my/42196/1/JCDC_15%282%29_2010-ART_4_corrected_%2869-85%29_21.12.2010edit.pdf
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author Alam, M.K.
Hasan, MD.R.
author_facet Alam, M.K.
Hasan, MD.R.
author_sort Alam, M.K.
collection USM
description Haor is the local name of the saucer-shaped, naturally depressed areas of Bangladesh. There are 414 haors in the northeast region that comprise approximately 17% of the country. These areas are submerged under deep water from July to November due to the overflow of rivers and heavy rainfall, causing them to appear like seas with erosive waves. Recently, the wave attack has drastically increased because of de-plantation and changing cropping patterns to allow for more agricultural production. The local people, government and Non-Government Organisations (NGOs) have tried many techniques to protect life and property against wave attacks. A cost comparison shows that Cement Concrete (CC) blocks over geotextile on the slope embankment is a cost-effective, environment friendly and socially acceptable method to prevent loss of life and property. However, the design rules employed by the engineers are faulty because there is knowledge gap in the application of wave hydraulics among these professionals. As a result, damage frequently occurs and maintenance costs are increasing. This study explores the sustainability of the CC blocks used in the Haor areas by evaluating two case studies with the verification of available design rules.
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spelling usm.eprints-421962018-09-28T08:28:45Z http://eprints.usm.my/42196/ Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability Alam, M.K. Hasan, MD.R. TH1-9745 Building construction Haor is the local name of the saucer-shaped, naturally depressed areas of Bangladesh. There are 414 haors in the northeast region that comprise approximately 17% of the country. These areas are submerged under deep water from July to November due to the overflow of rivers and heavy rainfall, causing them to appear like seas with erosive waves. Recently, the wave attack has drastically increased because of de-plantation and changing cropping patterns to allow for more agricultural production. The local people, government and Non-Government Organisations (NGOs) have tried many techniques to protect life and property against wave attacks. A cost comparison shows that Cement Concrete (CC) blocks over geotextile on the slope embankment is a cost-effective, environment friendly and socially acceptable method to prevent loss of life and property. However, the design rules employed by the engineers are faulty because there is knowledge gap in the application of wave hydraulics among these professionals. As a result, damage frequently occurs and maintenance costs are increasing. This study explores the sustainability of the CC blocks used in the Haor areas by evaluating two case studies with the verification of available design rules. Penerbit Universiti Sains Malaysia 2010 Article PeerReviewed application/pdf en http://eprints.usm.my/42196/1/JCDC_15%282%29_2010-ART_4_corrected_%2869-85%29_21.12.2010edit.pdf Alam, M.K. and Hasan, MD.R. (2010) Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability. Journal of Construction in Developing Countries , 15 (2). pp. 69-85. ISSN 1823-6499 http://web.usm.my/jcdc/vol15_2_2010/JCDC%2015(2)%202010-ART%204_corrected_(69-85)_21.12.2010edit.pdf
spellingShingle TH1-9745 Building construction
Alam, M.K.
Hasan, MD.R.
Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability
title Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability
title_full Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability
title_fullStr Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability
title_full_unstemmed Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability
title_short Protection Works Against Wave Attacks In The Haor Areas Of Bangladesh: Analysis Of Sustainability
title_sort protection works against wave attacks in the haor areas of bangladesh analysis of sustainability
topic TH1-9745 Building construction
url http://eprints.usm.my/42196/1/JCDC_15%282%29_2010-ART_4_corrected_%2869-85%29_21.12.2010edit.pdf
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