Beschreibung
This research explores the efficacy of use of random oriented geofiber reinforcement in controlling swell shrink behaviour of expansive soil. The effect of fiber content (fc), which was varied as 0.25% and 0.50% on rate of heave, swell potential and swelling pressure was studied in the case of oedometer samples(diameter = 60mm, height = 20mm). Moreover, the effect of the aspect ratio (length to width ratio of geofiber) which was varied as 3, 6 and 10 on swelling behaviour was also investigated. Influence of sample thickness on heave was investigated using cylindrical samples compacted in Proctors mould (diameter =100mm) in both unreinforced and fiber-reinforced conditions. Further, these samples compacted in Proctors mould were subjected to alternate wetting and drying cycles to simulate field condition. Useful data were obtained.
Autorenporträt
Dr. B. R. Phanikumar is a Senior Professor of Civil Engg at SRKR Engg College, AP, India. He is a renowned teacher of geotechnical engineering and researches mainly in the field of 'expansive soils'. He has produced seven PhDs and authored more than 300 technical papers for prestigious journals and conferences and delivered many invited lectures.
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