带加强层的某框架核心筒结构地震响应分析.pdfVIP

Vol No JOU RNA L OF H EFEI U NIV ERSIT Y O F T EC HNOL OGY Jan doi issn j M SC M arc M SC M arc T U A Analysis of seismic response of a frametube structure with strengthened storey C HEN G Hong QIA N Deling JIA NG M an CA O Shun School of Civil and Hy draulic Engineering H ef ei U niv er sity of T echnology H ef ei China School of Civil Engineering and A rchit ect ure A nhui U niv er sity of Science and T echnology H uainan China Abstract T hree f inite element models of a traffic building are established by using the finite element a naly sis prog ram M SC M arc to study the eff ect of streng thened storey on seismic response of the build ing Free vibration characteristics and seismic response of displacement and internal f orce of three fi nite element models are analyzed based on the result s of modal calculation and elastic time history cal culation T he result s show that tw o streng thened storey s w ith appropriate stiff ness and enhanced seis mic tectonic measures f or f rame column and core tube are meaningf ul f or f rame tube structures in term s of reducing seismic response of displacement Key words f rametube structure streng thened storey M SC M arc program seismic action timehis tory analy sis