摘要
介绍了标准JGJ99—98,GB50011—2001,CECS160:2004,EC8,ANSI/AISC341—02和日本极限状态设计指南中关于钢结构"强节点弱构件"的抗震设计方法,包括梁柱刚性连接、支撑与框架连接和连接部分设计抗力的计算方法。通过归一化后的Φ值比较,评价了各标准的设计方法。分析表明,按JGJ99—98,GB50011—2001设计的节点最弱,按CECS160:2004设计的最强,按ANSI/AISC341—02设计的略弱于CECS160:2004。考虑到大震下要求节点不坏,GB50011—2001和JGJ99—98中有关节点部分的设计有待进一步研究。
The aseismic design methods about the ＂strong connection-weak connected member＂concept in steel structures, including the beam-to-column rigid connections,bracing connections and the calculation methods for design resistance of connections, are briefly introduced according to JGJ99-98, GB50011-2001, CECS160： 2004, EC8, ANSI/AISC341-02, and recommendation for limit state design of steel structures of Japan. Based on the comparison of normalized Ф values for the different codes, the design methods of these codes are evaluated. The analysis shows that, the connections are demanded to the weakest for the JGJ99-98 and GB50011-2001 codes and the strongest for CECS160：2004 codes, which slightly greater than that in ANSI/AISC341-02 code. Considering that the connections are demanded to not failure under strong earthquake, the connections design method for JGJ99-98 and GB50011-2001 codes needs further research.
出处
《建筑结构》
CSCD
北大核心
2008年第7期100-105,112,共7页
Building Structure
关键词
钢结构
节点
被连构件
抗震设计方法
对比分析
steel structure
connection
connected member
aseismic design method
comparison analysis
