《混凝土结构理论 (26).pdf》由会员分享,可在线阅读,更多相关《混凝土结构理论 (26).pdf(13页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、?5 5?1?1?1?1?l0/bl0/dl0/il0/bl0/dl0/i87281.030261040.521210.5420.953429.51180.441614550.8738331320.362017690.754236.51460.292421830.6546401600.232824970.5650431740.19?jjj?1?1?fcNysf A ysf A AsA0.9()ucysNNfAfAj=+?1?1?0.9()ucysNNf Af Aj=+?1%?=1?As=A,?A?1?1?j?0.9()ucysNNf Af Aj=+?1?1?j?2?2?4080mm?2?2?2
2、?2?ssD?2?2?dcorsr?2?2?ssD?dcorsr?2?2?2?2?rbs+=cff?2?2?rcbs+=ffs2 fyAss1 fyAss1s2sdcors(a)(b)(c)rsrssdAfcorrss1y2s=?c?corss1yr2dsAf=s?2?2?rcbs+=ffsdAfcorrss1y2s=?corss1yr2dsAf=s4/42corcorcorss1yppddsdAf=sAdAsscorsso1p=corss0y2AAf=corss0yc2AAffb+=?2?2?,s,yss0ycorc,s,ycorcorss0ycorc,s,ycorrcorc,s,ycorrc,s,ycoru22)(AfAfAfAfAAAfAfAfAAfAfAfAfAfN+=+=+=+=+=bbbsbs 2/2ba=,s,yss0ycorcu2AfAfAfN+=a?2/2ba=,s,yss0ycorcu2AfAfAfN+=a?2?2?)2(9.0,s,yss0ycorcuAfAfAfN+=a?)2(9.0,s,yss0ycorcuAfAfAfN+=a?2?2?50%?l0/d?12?Ass0?As?25%?s?2?2?80mm?dcor/5?2?2?40mm