Sarawak Peat Characteristics and Heat Treatment

Peat layer is extensively scattered over the land of Malaysia. In Sarawak alone, peatland represents 13 percent (about 1.66 million hectares) of Sarawak’s total land area. They are present, mostly in low-lying areas; with in some areas, peat exceeding 10 m in depth. During past few decades, the dem...

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Main Authors: Sa’don, N.M, Abdul Karim, Abdul Razak, Jao, W., Wan Lili, W. H.
Format: Article
Language:English
English
Published: Universiti Malaysia Sarawak (UNIMAS) 2015
Subjects:
Online Access:http://ir.unimas.my/id/eprint/8414/
http://ir.unimas.my/id/eprint/8414/3/Abdul%20Karim.pdf
http://ir.unimas.my/id/eprint/8414/5/Sarawak%20Peat.pdf
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author Sa’don, N.M
Abdul Karim, Abdul Razak
Jao, W.
Wan Lili, W. H.
author_facet Sa’don, N.M
Abdul Karim, Abdul Razak
Jao, W.
Wan Lili, W. H.
author_sort Sa’don, N.M
building UNIMAS Institutional Repository
collection Online Access
description Peat layer is extensively scattered over the land of Malaysia. In Sarawak alone, peatland represents 13 percent (about 1.66 million hectares) of Sarawak’s total land area. They are present, mostly in low-lying areas; with in some areas, peat exceeding 10 m in depth. During past few decades, the demands on development of land were expanded into the swamp and deep peat areas which cannot be avoided. Thus proper management and construction practices should be emphasized, in order to overcome consequential occurrence of ground subsidence problems. The objectives of this study are to determine the characteristics of Sarawak peat, their empirical correlations as well as the effect of heat treatment on peat. The samples were taken from Matang, Batu Kawa, and Kota Samarahan sites, in Sarawak. The characteristic tests consist of degree of humidification, loss on ignition, Atterberg limit, particle density, moisture content and pH value. The results recorded high moisture content and organic content of Sarawak peat. It is also being categorized under the hemic group with pH values ranging from 3 to 4. The heat treatments with temperatures ranging from 100°C to 400°C were used on the peat samples. Samples collected were undergoing heat treatment and changes to its physical characteristic were compared with the original Sarawak peat. It was found that the heat treatments do influence the physical properties of Sarawak peat and have shown significant reduction in the compression index determined through the empirical correlations.
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spelling unimas-84142023-08-23T02:09:13Z http://ir.unimas.my/id/eprint/8414/ Sarawak Peat Characteristics and Heat Treatment Sa’don, N.M Abdul Karim, Abdul Razak Jao, W. Wan Lili, W. H. GE Environmental Sciences Peat layer is extensively scattered over the land of Malaysia. In Sarawak alone, peatland represents 13 percent (about 1.66 million hectares) of Sarawak’s total land area. They are present, mostly in low-lying areas; with in some areas, peat exceeding 10 m in depth. During past few decades, the demands on development of land were expanded into the swamp and deep peat areas which cannot be avoided. Thus proper management and construction practices should be emphasized, in order to overcome consequential occurrence of ground subsidence problems. The objectives of this study are to determine the characteristics of Sarawak peat, their empirical correlations as well as the effect of heat treatment on peat. The samples were taken from Matang, Batu Kawa, and Kota Samarahan sites, in Sarawak. The characteristic tests consist of degree of humidification, loss on ignition, Atterberg limit, particle density, moisture content and pH value. The results recorded high moisture content and organic content of Sarawak peat. It is also being categorized under the hemic group with pH values ranging from 3 to 4. The heat treatments with temperatures ranging from 100°C to 400°C were used on the peat samples. Samples collected were undergoing heat treatment and changes to its physical characteristic were compared with the original Sarawak peat. It was found that the heat treatments do influence the physical properties of Sarawak peat and have shown significant reduction in the compression index determined through the empirical correlations. Universiti Malaysia Sarawak (UNIMAS) 2015 Article NonPeerReviewed text en http://ir.unimas.my/id/eprint/8414/3/Abdul%20Karim.pdf text en http://ir.unimas.my/id/eprint/8414/5/Sarawak%20Peat.pdf Sa’don, N.M and Abdul Karim, Abdul Razak and Jao, W. and Wan Lili, W. H. (2015) Sarawak Peat Characteristics and Heat Treatment. UNIMAS e-Journal of Civil Engineering. ISSN 1984-3874
spellingShingle GE Environmental Sciences
Sa’don, N.M
Abdul Karim, Abdul Razak
Jao, W.
Wan Lili, W. H.
Sarawak Peat Characteristics and Heat Treatment
title Sarawak Peat Characteristics and Heat Treatment
title_full Sarawak Peat Characteristics and Heat Treatment
title_fullStr Sarawak Peat Characteristics and Heat Treatment
title_full_unstemmed Sarawak Peat Characteristics and Heat Treatment
title_short Sarawak Peat Characteristics and Heat Treatment
title_sort sarawak peat characteristics and heat treatment
topic GE Environmental Sciences
url http://ir.unimas.my/id/eprint/8414/
http://ir.unimas.my/id/eprint/8414/3/Abdul%20Karim.pdf
http://ir.unimas.my/id/eprint/8414/5/Sarawak%20Peat.pdf