TY - CPAPER AU - Giang Nguyen TI - CONSIDERATION OF SPECIMENS SHEAR AREA CHANGES DURING DIRECT SHEAR TEST OF SOILS AND ITS EFFECTS ON A SIZE OF SPREAD FOUNDATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2015 DO - 10.5593/sgem2015/b12/s2.027 PB - Stef92 Technology ER -