Abstract:The current study examines the effective use of wastes, bottom ash which is mixed with lime and sodium hexametaphosphate (NAPO3)6, to stabilize the expansive soil in order to make a composite subgrade material for flexible pavement design. The study involves performing laboratory tests on expansive soil samples containing bottom ash and lime alone and along with (NAPO3)6, such as differential free swell, consistency limits, compaction characteristics, unconfined compressive strength tests and California bearin… Show more
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