%0 Journal Article %T RESEARCH OF MAIN CHARACTERISTICS OF SEMI-SUBMERSIBLE FLOATING DRILLING RIGS AT THE INITIAL STAGES OF DESIGN %A Ignatovich, V.. %A Kuzmina, A.. %A Rodkina, A.. %K displacement, pontoons, stabilizing columns, metacentric height, vertical displacements %J Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies %D 2018 %N %P 8 %I Astrakhan State Technical University