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GSB stands for Granular Sub Base. It is a road construction material that is used as a foundation layer beneath asphalt roads. The GSB layer helps to spread the load of the pavement, reduce deformation and water seepage.
GSB stands for Granular Sub Base. It is a road construction material that is used as a foundation layer beneath asphalt roads. The GSB layer helps to spread the load of the pavement, reduce deformation and water seepage.
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