Abstract
Concrete pavement slabs experience volume change due to the variation of temperature and moisture level. The frictional drag acting on the bottom of slab due to the base friction is in the opposite direction of horizontal slab displacement, and resist against the horizontal slab movements. The magnitude of frictional force and horizontal slab displacement has interdependent relationship. A mechanistic analysis tool (SSM Program) is introduced to study the behavior of concrete slab under frictional drag, with accounting for the interdependent relationship between horizontal slab displacement and frictional drag. Also, potential factors affecting behavior of concrete slab under frictional drag, including base type, slab length, and temperature range are investigated.
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