TY - CPAPER AU - N. Giang TI - THE INFLUENCE OF VARIOUS VALUES OF SOILS SHEAR STRENGTH PARAMETERS OBTAINED BY DIRECT SHEAR TEST ON THE SIZE OF SPREAD FOUNDATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s02.127 PB - Stef92 Technology ER -