TY - CPAPER AU - Pavel Perfiliev AU - Natalia Zadrauskaite AU - Aleksander Anufriev TI - INCREASING THE HOLDIND POWER OF A PILE PIER RESEARCH T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, PY - 2020 SP - 315 EP - 320 DO - 10.5593/sgem2020v/1.3/s03.39 PB - STEF92 Technology ER -