钢纤维高强混凝土框架边节点抗剪及梁端抗震性能研究-结构工程专业论文.docxVIP

郑 州 大 学 硕 士 学 位 论 文 A b st 妞f c t A B S T R A C T S eism ie P erib rm an ee o f sttu cttire h av e b een the focus o f civil en gin eeri n g stud y. S eism ie P erib rm an ee of a building relate to a v ari ety of facto rs.N ow the m ajority o f ho use b uild ing 15 t he f ra m e s如 c t Ur e in o ur e o t m tr y， a n d t he c o re a re a o f c o n n e c tin g b e 田n a n d c o lu n 注n 15 im P o rtan t are a o f s加 c tiire ，it 15 k e y P o ini o f tra n sfer the lo ad o f b e am to the co lu 们nn . Th ere fore，o ur eo un try c切汀en t d esign co d e req u est co n fig u re a m ass o f stin 卫P s to b ear im P o r te d t h e sh e a r o f t he e o r e ，w h ic h 15 b o u n d to o e c ur t he P h e n o m e n o n o f t he c o r e re in forc ed cro wd . Th e au tho r ho P e im P ro v in g the situatio n o f the re in fo reem ent o f the co re region throu gh ad d in g the steel fib ers to the core，an d b e ab le to en sure that the seism ie P e r ib r m a n e e o f t he e o r e .T h is P a p e r P ro g r e sse s s e ism ie r e sista nt a n a ly sis u tiliz in g exP eri m ent al resu lts of nine exteri or b eam 一column fr田的e joinis. Tw o o f nine are h igh strength rein foreed eon crete fram e joints an d the rest o f nine are steel fib er h igh stren gth con crete fram e joinis. 、乞五ab le exP e政m en tal P aram eters in clud e steel fib er v olurn e ratio ， eo luLrnn ax ial co m P ression ratio an d ran g e o f steel fib er co n eret e in the b eam . M ajo r r e se a rc h e o n te n t: 1.An alysis o f steel fib er high 一stren gth co n crete fr田朴e exteri or jo int foree m ech ha sm .Th e result ind ieates S F R H S C joini force m ech 别吐sm 15 sim ilar to the ordinary high 一stren gth eon crete jo in t foree m ech 耐 sm .B u t wh at assum es the lo ad o f each co m P on ent o f the jo in t h a s c h a n g e d a f te r a d d in g ste e l f ib e r to