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Undrained Shear Characteristics of Tropical Peat Reinforced with Cement Stabilized Soil Column |
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| Authors: | Sina Kazemian Bujang B K Huat Hossein Moayedi |
| Institution: | 1. Department of Civil Engineering, Bojnourd Branch, Islamic Azad University, Bojnourd, Iran 2. Department of Civil Engineering, University Putra Malaysia, Serdang, Selangor, Malaysia 3. Department of Civil Engineering, Estahban Branch, Islamic Azad University, Estahban, Iran |
| Abstract: | Peat commonly occurs as extremely soft, wet, unconsolidated surface deposits that are integral parts of wetland systems. Cement is widely used for the stabilization of peat by deep mixing method. This paper presents the results of the shear strength parameters of study models (fibrous, hemic and sapric peats stabilized with columns formed by dry mixing method). The columns were formed of peat treated with cement in different proportions. Triaxial test was performed after curing the samples for 28?days to evaluate the shear strength parameters. The results showed that the shear strength of peats can be improved significantly by the installation of cement stabilized soil columns. The amount of cement used to form the column and its diameter were observed to influence the strain–stress graph of peat reinforced. Furthermore, the result showed that the effect of cement was the highest on sapric peat due to its physico-chemical properties. |
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