@inproceedings{sgem2014s2044, title = {EVALUATION OF THE IMPROVEMENT FOR A DIFFICULT FOUNDATION SOIL USING VIBRATED BALLAST COLUMNS}, author = {Ana Nicuta}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING}, year = {2014}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2014/b12/s2.044} }