摘要
基于Newmark组合梁线性分析理论,本文构造了考虑界面滑移的部分连接组合梁单元,与匹配的体外索单元,通过算例,验证单元的适用性,并分析了界面滑移刚度对体外预应力组合梁结构刚度和预应力增量求解的影响。
Based on Newmark＇s theory on linear analysis for composite beams, an element for partial interaction composite beams with interface slip and an external prestressed tendon element are obtained, and the applicability of the element is verified by examples, The influence of the interface slip stiffness on the stiffness of the external prestressed composite beam and the solution of the prestress increment is analyzed.
作者
王斯宇
WANG Siyu(Dept.of Civil Engi., Zhejiang Univ., Hangzhou 310058, Chin)
出处
《低温建筑技术》
2018年第4期46-49,共4页
Low Temperature Architecture Technology
关键词
钢混组合梁
体外预应力
滑移
刚度矩阵
有限元
steel-concrete composite beam
external tendon
slip
stiffness matrix
FEM
