节间荷载作用下钢筋混凝土框架结构非线性分析  

Nonlinear Analysis of Reinforced Concrete Frame Structure on Action of the Element Loads

作　　者：邹翾[1] 张强[2] 周德源[3] 殷虹[2] 

机构地区：[1]上海建桥学院,上海201319 [2]上海师范大学,上海201418 [3]同济大学,上海200092

出　　处：《施工技术》2008年第8期106-108,共3页Construction Technology

基　　金：上海师范大学科研基金(SK200746);上海大学生创新活动计划项目(CH050);上海高校选拔培养优秀青年教师后备人选科研专项基金(AAYQ0715)

摘　　要：在非线性阶段,基于位移形函数的刚度法对节间荷载的处理不直接,精度也很差;而基于力的形函数的柔度法建立了单元两端与单元内部力的关系,能够得到精确的结果。介绍了基于有限单元柔度法处理节间荷载的基本原理和计算过程并利用算例阐述了其计算步骤,验证了其有效性。In the nonlinear range, stiffness methods based on displacement shape functions are indirect and inexact for solving element loads. But force shape functions in flexibility methods establish the relations of nodal forces and section forces, and the results are exact. The theories and procedures based on finite element flexibility methods to solve element loads are introduced, and the calculation process is put forward through an example to verify its effectiveness.

关 键 词：钢筋混凝土框架 节间荷载 柔度法 非线性分析 

分 类 号：TU313[建筑科学—结构工程]