Strength and Rutting Characteristics of WBM with Partial Replacement of Aggregates by Steel Slag
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 1
Abstract
Water Bound Macadam (WBM) is widely used as sub-base or base course for National and State highways and also as a wearing course for low volume roads. WBM consists of mixture of conventional aggregates, a binder and screenings (fines). Usually moorum is used as screenings and quarry dust as binder. The present paper, brings out the results of experimental investigation of strength and rutting characteristics of two WBM mix consisting of expansive soil as binder, steel slag as fines and conventional aggregates with and without steel slag. An indigenously built (patent pending) equipment Roller Compactor cum Rut Analyzer (RCRA) was used to perform rutting tests on both WBM combinations. Results indicated that Partial replacement of conventional aggregates by steel slag resulted in 10% rise in MDD, 52% increase in CBR value and 18% improvement in resistance against rutting.
Authors and Affiliations
Vivek V Gavimath, Dr. Sureka Naagesh, Dr. H S Jagadeesh
Keywords
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- EP ID EP437665
- DOI 10.9790/1684-1501010715.
- Views 77
- Downloads 0
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