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Geotextile tubes for protection of mangrove coast in Malaysia

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Main Authors: Tan, King Seng, Nor Hisham, Mohd. Ghazali, Ong, Hon Lim, Mohd. Zulkefli, Arbain
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Erosion
Geotextile tubes
Mangrove
Marine clay
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/14117
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spelling my.unimap-141172011-10-11T09:09:37Z Geotextile tubes for protection of mangrove coast in Malaysia Tan, King Seng Nor Hisham, Mohd. Ghazali Ong, Hon Lim Mohd. Zulkefli, Arbain Erosion Geotextile tubes Mangrove Marine clay Link to publisher’s homepage at http://www.myiem.org.my/ Coasts bordered by mangrove trees are common along the west coast of Peninsular Malaysia and many regions of Sabah and Sarawak. The shore and near shore regions are generally composed of fine grained material. Wave energy reaching mangrove-fringed coasts is usually low allowing silt sized material to remain at or near the shore. Fetches and wave approach directions of mangrove-fringed coasts limit wave energy reaching the shore. Mangrove forests are the natural vegetation of many tropical coasts and tidal inlets. The mangroves form a highly productive ecosystem, maternity and nursery for many marine species. Mangroves survive in the upper tidal zone; approximately above Mean Sea Level to High Water (Spring). Mangroves exist on gentle sloping coasts with moderate wave climate. A striking feature of mangroves is the root system, which offers protection against erosion of the coast by dissipating wave energy. They also provide support and protection of low-lying agricultural land from flooding. Detached geotextile tubes as one of the soft engineering methods were conceptualised to moderate incident waves and mitigate coastal erosion at mangrove areas. The geotextile tube is basically a close-ended tubular geotextile with filling ports. Sand is hydraulically pumped in through the filling ports. The geotextile tubes are constructed to a height of 1.5m and 50m length. They are spaced 5m apart and aligned parallel to shore. Each tube sits above a scour apron against scouring of the seabed that might undermine the stability of the geotextile tubes installed. The installed geotextile tubes are partially exposed during low tides and completely submerged during high tides. This paper will describe the design and construction of the geotextile tubes. 2011-10-11T09:09:37Z 2011-10-11T09:09:37Z 2007-02 Article 14, 16, 18-19 0126-9909 http://www.myiem.org.my/content/iem_bulletin_2004_2007-163.aspx http://hdl.handle.net/123456789/14117 en Jurutera 2007 (2) The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Erosion
Geotextile tubes
Mangrove
Marine clay
spellingShingle Erosion
Geotextile tubes
Mangrove
Marine clay
Tan, King Seng
Nor Hisham, Mohd. Ghazali
Ong, Hon Lim
Mohd. Zulkefli, Arbain
Geotextile tubes for protection of mangrove coast in Malaysia
description Link to publisher’s homepage at http://www.myiem.org.my/
format Article
author Tan, King Seng
Nor Hisham, Mohd. Ghazali
Ong, Hon Lim
Mohd. Zulkefli, Arbain
author_facet Tan, King Seng
Nor Hisham, Mohd. Ghazali
Ong, Hon Lim
Mohd. Zulkefli, Arbain
author_sort Tan, King Seng
title Geotextile tubes for protection of mangrove coast in Malaysia
title_short Geotextile tubes for protection of mangrove coast in Malaysia
title_full Geotextile tubes for protection of mangrove coast in Malaysia
title_fullStr Geotextile tubes for protection of mangrove coast in Malaysia
title_full_unstemmed Geotextile tubes for protection of mangrove coast in Malaysia
title_sort geotextile tubes for protection of mangrove coast in malaysia
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/14117
_version_ 1643790994356830208
score 13.214268

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