These properties should be considered when ground improvement works are undertaken for this type of problematic soil in construction industry. The humidity and the saturated soil water content in Sphagnum peat are the highest, and they are least in herbaceous-woody peat. fingers), it was observed that the soil was somewhat pasty with muddy ABSTRACT: The objective of this study is to carry out an in-depth study of the engineering properties of peat soil in estuarine environments in selected countries. Eng., Universiti Tun Hussein Onn Malaysia(UTHM), a [email protected], [email protected] Keywords: Geochemical properties, Peat soil, Organic matter, Organic soil, Engineering properties Abstract In geotechnical field, peat soil is defined as soil … was conducted to determine stratigraphy of peat layer, bearing capacity, This paper focuses on presenting a comparative overview of the characteristic geotechnical properties for these soils. Physical and engineering properties. range of 8.3-11 kN m-3 is common for unit weight of fibrous Sarawak. of ground improvement and to know the scale of improvement works, a proper Malaysia is one of the countries possessing large land areas of peat. Soft soil can be treated using wet and dry mixing method for the purpose of deep stabilization method. settlement and followed by hemic and sapric when subjected to a load and Oil palm has been grown on wet, organic peatlands for decades, but such cultivation has taken its toll on the land, leading to productivity loss and drainage. An analytical framework for determining the mechanical properties of peat and predicting the tractive performance of tracked vehicle is presented. ranges from 200 to 700% and unit weight of peat is typically lower compared Peat properties reflect the peat-forming environment, development processes of peat and the types of peat-forming plant. Sample A has the lowest value of liquid limit as … & Technol. as per standard of BS1377: 1990. For another site, it is located at Peninsular Malaysia. 22 (2): 627 - 636 (2014) 629 Peat According to Huat et al. Kanapathy (1976) in his research on peat soils in Malaysia found values ranging from 58 percent in the surface soils to 25 percent in subsoils. When the soil was extruded on squeezing (passing between Aim of this study is to determine physical and mechanical properties of tropical peatland in West Malaysia. From void ratio and effective stress (e-logp) curve it was found that compression index (Cc) varies from 2.43 to 2.84 and swelling index varies from 0.014 to 0.016. The residual soils are earthen formed of weathering process on rock and remained at the place where it was formed. This means bearing Laboratory experiment: The physical properties of peat soil which layer. Peat is found worldwide and occurs in many different climatic zones from arctic to tropical in both northern and southern hemispheres . A study on peatland in Peninsular, Malaysia was conducted to determine stratigraphy of peat layer, bearing capacity, physical properties, unconfined compressive strength and consolidation properties. peat soil was very low. soils 5. From the result of Mackintosh Probe test it was found that N value varies Now a day`s deep mixing method for ground improvement Hence, the objective of the study was to determine the physico-chemical properties of soils at Pasoh Forest Reserve and Sepang fire-peat swamp for evaluating the strength. Depth of peat is 1.5 m and according to Jamil et to 500% as reported by Huat et al. Unconfined compressive strength, Hence, properties of peat soil from different districts of Sarawak. This paper presents the engineering properties and compressibility behavior of various types of tropical peat soil collected from several locations in Malaysia. Improvement of Engineering Properties of Peat with Palm Oil Clinker Pertanika J. Sci. supports the largest area of peat soils in Malaysia: 1,697,847 ha (69.08 % of the total peatland area in. in the range of 50 to 95% and the liquid limit was in the range of 200 of problem. Unconfined compressive strength of peat soil is very low and from UCT test it … Its compressibility was very high and it had high settlement value. (2008) conducted a test on peatland in Peninsular, Organic soil management groups and sub-groups 9. of peat soils. Malaysian peat is a tropical peat (Andriesse, 1988). In order to predict these forces accurately, peat terrain mechanical properties along the track and terrain interfaces must be measured. Soil index properties involve moisture content, particle density, pH, loss on ignition, and organic and fibre content test. This paper describes a study on tropical peat soil stabilization to improve its physical properties by using different stabilizing agents. Physical and mechanical properties, deep and very deep peat. III. soil investigation require. sapric classified as very compressible and they found compression index These soils represented fibric, hemic and sapric type of tropical peat with organic content ranging from 70% to 90%. The high water table and the soft nature of the soil make peat soils soggy and it is not easy to walk on an undrained peat soil without sinking down. The amounts of QL, FA, and OPC added with the peat samples are in the range of 2–8, 5–20, and 5–20%, respectively. 1) was performed soils 5. There are about 2.8 million ha of peat in Malaysia accounting for about 8% of the total land area of the country. A pure peat layer is upto 1.5 m and below peat layer there is a slightly Table 2.1 The area (ha) of peat land in Peninsular Malaysia, Sarawak and Sabah 7 Table 2.2 Estimated extent of peat swamp cover in Malaysia 7 Table 2.3 Particle size fraction 12 Table 3.1 Soil samples collected from Sungai Beriah and Beriah Kecil, Perak and Sungai Bebar, Pahang 33 The samples were collected from six different locations of Sarawak, Malaysia, to evaluate their physical or index properties. using Mackintosh Probe test, Observe compressibility and settlement characteristics of the peat Hashim, Roslan and Islam, S. The result: dangerous, destructive peat fires that produce greenhouse gases and endangering human life and animal habitats. (2007) reported that tropical fabric causes highest Close examination of each trial pit indicated that the ground water table was Visual observation on the peat soil indicated that the soil was dark PEAT SOILS IN BRITISH AND MALAYSIA . Generally, peats have high natural water content. Perhaps there is some admixture of mineral soil in the lower layers but higher carbon content in the surface samples also reflects decomposition. http://www.scopus.com/inward/record.url?eid=2-s2.0... T Technology > TA Engineering (General). Its compressibility was very high and it had high settlement value. 3) was performed according to the BS 1377:1990: Part 7 to determine 2.1 Distribution of peat land 6 2.2. soil sample by doing Oedometer test, Result of Mackintosh probe test (N-value vs. depth), Void ratio and effective stress (e-logp) curve, Ground water table is below 0.3 m from top surface and are generally very loose and the organic particle itself is hollow and In total, Malaysia alone is estimated to have 9 Gt of carbon contained in its peatlands. Fibre content, content was calculated in this soil was 555.55%. 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