ABSTRACT

In practice, the main barrier for application of SFS aggregate in OPC concrete is its potentially expansive nature (volume changes up to 10% or more attributable to the hydration of free lime) (VicRoads 2011) that could cause concrete cracking. As a result, SFS aggregates are considered not suitable for use in OPC concrete. Instead, due to their skid resistance, high impact and crushing strength compared to natural rocks and excellent affinity to bitumen, SFS aggregates are widely used for road construction (Chesner et al., 1998).