Nam L, Long N. ANALYSING THE FREE VIBRATION OF THE CONCRETE FILLED STEEL TUBE ARCH BRIDGE WITH TIE ROD AND ROADWAY LOCATED UNDER ARCH RIB. Science and Technology Development Journal [Internet]. 31May2007 [cited 19May2024];10(5):63-0. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2785