带暗柱混凝土等肢十字形柱轴压比限值调整系数研究-世界地震工程.PDFVIP

26, 2 V o l. 26 N o. 2 2010 6 W ORLD EARTHQUAKE ENG INEER ING Jun. 2010 : 1007 - 6069 ( 0200) 02- 0 193- 0 8 蒋智勇, 张新培, 岳利红 ( , 6 10065) : , , , , C+ + , , JG J14 9 2006 , , 2 , : : TU 202 P31596 : A Study on adjustm ent coefficient of lim it value of axial com pression ratio for R C equ-i lim b cross-shaped columns with concealed columns JIANG Zh iyong, ZHANG X inpe,i YUE L ihong ( T he Inst itu te of A rch itecture and Env ironm en t, S ichuan U n iv ersity, Chengdu 6 10065, Ch in a) Abstract: L ots of stud ies show th at the duct ility of cross-sh ap ed co lum n s can be mi proved w ith setting the con- cealed column in the sp ec ially-shap ed co lumn s. But how to ad ju st the lmi it valu e of ax ia l com pression o f the sp e- c ially- shaped co lum n w ith concea led co lum n hasnt m ent ioned, so that the eng ineering applicat ion of the sp ecially- sh aped co lum n is affected. A s a mi ed at cross-shap ed sp ecially- shaped colum n s in eng ineering app licat ion, b ased on the non linear ana lysis m ethod o f com plete process, the cross-section curvature du ctility ra tio of equ i- lmi b cross- sh aped co lum n w ith and w ithout concea led co lum n under d ifferent cond it ions is calcu lated by programm ing in C + + env ironm ent acco rd ing to curvature du ctility ratio of each anti-seism ic grade by T echn ical Sp ecification for Con- crete Stru ctures w ith Specia lly Sh aped C olumn ( JGJ 149 - 2006), the lmi it value of ax ial com p