Laboratory investigation of the suction of peat soil in drying and wetting process

Yulindasari Sutejo, Anis Saggaff, Wiwik Rahayu, Hanafiah

Research output: Contribution to journalArticlepeer-review


The suction of peat soil illustrate the characteristics of peat soil. This research aimed to investigate the peat soil suction (drying and wetting condition). Filter Paper testing (Whatman42) has been used for testing. The peat soil sample was acquired in village III Banyu Urip, Regency of Banyuasin, South Sumatera province. The percentage values of optimum water content in this study are: W1=41%, W2=42%, W3= 43%, W4=44%, W5=45%, W1=46%, W1=47%, W1=48%, and W1=49%. The results of the test such as: the average water content ( opt) = 45%, the value of optimum dry content weight value (γdopt) = 0.954 kN/m3. The results of peat soil suction value (Ψ) due to the influence of wetting and drying are: P = 321.860454 kPa, W1 = 46.75611 kPa, W2 = 56.67991 kPa, W3 = 43.48429 kPa, W4 = 65.56742 kPa, W5 = 37.42705 kPa, W6 = 32.04885 kPa, W7 = 37.86667 kPa, W8 = 35.74133 kPa, and W9 = 28.58823 kPa. The results in the drying condition were greater when compared to the wetting condition.

Original languageEnglish
Pages (from-to)73-79
Number of pages7
JournalInternational Journal of Scientific and Technology Research
Issue number12
Publication statusPublished - Dec 2019


  • Drying
  • Peat Soil
  • Soil Water Characteristics Curve (SWCC)
  • Suction
  • Wetting


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