简支组合梁弹性变形及极限抗弯承载力计算  

Calculation of Elastic Deformation and Ultimate Flexural Bearing Capacity for Composite Beams

作　　者：彭桂林 陈瑞生[2] 

机构地区：[1]上海冠达尔钢结构有限公司,上海200437 [2]同济大学,上海200092

出　　处：《结构工程师》2004年第1期19-22,共4页Structural Engineers

摘　　要：本文针对简支组合梁在弹性状态下的变形计算 (包括短期变形和长期变形 )和极限抗弯承载力计算 (包括腹板出现局部失稳和不出现局部失稳 )的各种现有方法进行了综合阐述。尤其针对现行规范所依据的设计假定中忽略的不安全因素进行了总结性的论述和归纳 。Many articles have been thoroughly compiled to calculate the short-term and long-term deformation of composite beams in the elastic circumstance and the ultimate flexural bearing capacity for composite beams including the case of Web's local buckling happening prior to the plasticity of whole cross-section and viceversa. Particularly in this paper, the dangerous factors being ignored in the existing building codes have been totally generalized and put forward. It can help designers to understand codes well and provide an conductive way to have constructions implemented well.

关 键 词：简支组合梁 弹性变形 极限抗弯承载力 换算截面法 折减刚度法 滑移效应 

分 类 号：TU398.9[建筑科学—结构工程]