Abstract
AbstractSteel is an inherently never-ending product, in terms of recycling and reuse. The steelmaking process creates an industrial by-product termed as slag. Ladle furnace slag (LFS) is produced at the final stages of the steelmaking process in ladle refining furnaces. The potential use of LFS as a base/subbase material requires a thorough knowledge of its engineering properties. In this research, an extensive suite of engineering characterization tests were carried out to evaluate the engineering properties of LFS. The effect of curing on the strength of unbound LFS was investigated using unconfined compression strength (UCS) and resilient modulus tests. The results showed that the UCS of unbound LFS increased by almost four times with 7 days of curing in a temperature-controlled and moisture-controlled chamber. The resilient modulus value of unbound LFS increased when increasing either confining pressure or deviator stress. The specimens with 7 and 28 days of curing had higher resilient modulus values ...
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