Seismic modeling of a reinforced slope

Gordon Fung, Ender Parra, John P. Sully, John R. Kerr, Kenneth P. Akins

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: Retaining Walls

ABSTRACT: This paper presents the seismic modeling performed for the design of a 9-m high 70o reinforced slope with an upper 2H:1V fill slope of up to 4 m high. The Sierra Slope, a reinforced soil slope using geogrids, was introduced by Tensar International Corporation (Tensar) in 1982. The FLAC (Fast Lagrangian Analysis of Continua) finite difference program was used to model the Sierra Slope under seismic loading conditions. FLAC analyses are considered to provide an evaluation of the standard design approaches and an insight into the seismic performance of the Sierra Slope.

RESUMEN: El articulo presenta el modelaje sismico de un muro armado de 9 m de altura con talud de 4 m encima. El muro es un product Sierra Slope de Tensar. Se ha realizado el analisis numerico de diferencias finitas con el program FLAC para evaluar el metodo AASHTO tipico tradicional de diseno para este tipo de muro.

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