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Effect of Rise Husk Ash and Cement Mixtures on Unconfined Compressive Strength of Cohesive Soil


  • School of Civil Engineering, Lovely Professional University, Punjab - 144411, India
  • Department of Civil Engineering NIT, Kurukshetra – 136118, Haryana, India


Current paper shows laboratory testing results on the Unified Compressive Strength (UCS) of cohesive soils stabilized with Cement and Rice Husk Ash (RHA). The mixture was compacted at the OMC, and at the dry and wet side of OMC. Clays exhibit generally undesirable engineering properties. So it is needed to improve the properties of soils using economic methods like treating with industrial and agricultural wastes i.e. fly ash, rice husk ash etc which are having cementious value. RHA was collected from United Rice Mill, Bahu Samana, NH-1. Locally available soil was mixed with 0%, 5%, 10% & 15% of RHA along with 0%, 6%, 8% & 10% cement. It is concluded by the results that because of increase in moisture content and decrease in dry density of soil, it can be made light in weight. The optimized maximum value of UCS of soil observed with 10% RHA addition after that further addition of RHA does not contribute more towards strength.


Maximum Dry Density, Optimum Moisture Content, RHA, Stabilization, Unconfined Compressive Strength.

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