变截面直杆单元刚度矩阵的精确式  

The accurate equation of element stiffness matrix for variable cross section bars

作　　者：马希龄[1] 肖正华[1] 

机构地区：[1]新疆工学院建筑工程系,乌鲁木齐830008

出　　处：《新疆工学院学报》2000年第1期1-5,共5页

摘　　要：以一种新的思路和做法对变截面直杆进行单元分析。本文直接把变截面直杆作为单元 ,采用力法导出单元刚度矩阵通用式 。In this paper,a new method of element analysis for bars with variable cross section is proposed.The variable crosssection bar is taken as an element and a general equation of element stiffness matrix is derived by means of force method.The accurate equation of element stiffness matrix of bars whose cross sections vary according to two different usual laws is given as a reference for structural design.

关 键 词：变截面直杆 刚度矩阵 刚架 

分 类 号：TU328.01[建筑科学—结构工程]