New Technique for Ground Improvement for Road and Building Construction

Kalpana Maheshwari, Atul Desai, C.H. Solanki

In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering

Session: Ground Improvement/Remediation

ABSTRACT: An experimental program was undertaken to study the effect of randomly distributed fibers on the strength properties of highly compressible clayey soil. Improvement in the strength properties of subsoil containing clayey soil used for road construction was obtained by conducting series of laboratory California Bearing Ratio (CBR) test. Series of model footing test was also performed to check the effectiveness of fiber reinforced soil for foundation of buildings. For these study highly compressible clayey soil having CH group and polyester fibers of 6mm and 12mm fiber length were used. It was observed that there is significant increase in CBR value of clayey soil with the inclusion of polyester fibers and due to these increase total thickness of subgrade reduce for the flexible pavement. The results of footing test indicate that due to fiber inclusion there was an increase in the ultimate bearing capacity and reduction in the settlement.

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