Abstract:A frost-resistant earth fill was proposed by mixing waste foundry sand (WFS), fly ash (FA), expandable polystyrene (EPS) beads, Portland cement and water in proportions, which was known as WFS-FA-EPS fill. This study examined the unconfined compressive strength (UCS) weakening susceptibility of a range of WFS-FA-EPS specimens prepared at designated compositions which were exposed to freeze-thaw (F-T) cycling from 20 ºC to −15 ºC and up to 5 times. It was found that the inclusion of EPS reduced the unit weight … Show more
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