@inproceedings{sgem2011s02127, title = {THE INFLUENCE OF VARIOUS VALUES OF SOILS SHEAR STRENGTH PARAMETERS OBTAINED BY DIRECT SHEAR TEST ON THE SIZE OF SPREAD FOUNDATION}, author = {N. Giang}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference}, year = {2011}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2011/s02.127} }