
APPROXIMATIVE FORMULAS OF CALCULATING PRIMARY FREQUENCIES FOR THREE-SPAN CONTIMUOUS GIRDER SUSPENSION BRIDGES
JU Xiao-hua
Journal of Railway Engineering Society ›› 2003, Vol. 20 ›› Issue (2) : 59-63.
APPROXIMATIVE FORMULAS OF CALCULATING PRIMARY FREQUENCIES FOR THREE-SPAN CONTIMUOUS GIRDER SUSPENSION BRIDGES
suspension bridge / free vibration / primary frequency / approximative calculation {{custom_keyword}} /
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