Economization of Road Subgrade Material by Mechanical Stabilization
Vivek Singh, Founder, BuildStreet
Subgrade makes the formation level of the road crust. The material specifications of subgrade material are therefore more demanding than the soil used in general fill or embankment. In some construction projects, it becomes difficult to get the required subgrade material at an economical lead. In such cases, the properties of locally available materials are required to be improved by stabilising them, either chemically or mechanically, in order to use them as subgrade material. One such case study where the available soil was stabilised mechanically and utilised as subgrade material is presented hereunder.
Subgrade makes the formation level of the road crust. The material specifications of subgrade material are therefore more demanding than the soil used in general fill or embankment. In some construction projects, it becomes difficult to get the required subgrade material at an economical lead. In such cases, the properties of locally available materials are required to be improved by stabilising them, either chemically or mechanically, in order to use them as subgrade material. One such case study where the available soil was stabilised mechanically and utilised as subgrade material is presented hereunder.
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NBM&CW September 2022
