摘要
钢管混凝土轴压刚度和抗弯刚度是对钢管混凝土结构进行抗震分析的重要指标。利用数值方法计算了考虑钢管初应力影响时的钢管混凝土轴压构件和纯弯构件荷载 -变形关系曲线 ,分析了初应力系数、截面含钢率、钢材和混凝土的强度等因素的影响规律。
Axial compression regidity and flexural rigidity of concrete\|filled steel tubular are very important parameters for seismic behavior analysis.An attempt to predict the load\|deformation behavior of concrete\|filled steel tubular axial loaded members and pure bending members with the effects of initial stress in the steel tubes considered is proposed in this paper.Based on the theoretical model,influence of the initial stress coefficient,sectional steel ratio,as well as strength of the materials is discussed.Finally,formulas for the calculation of the bending rigidity of concrete\|filled steel tubular members with the effects of initial stress in the steel tubes considered are developed.
出处
《工业建筑》
CSCD
北大核心
2004年第7期57-60,共4页
Industrial Construction
基金
国家建设部科学计划项目 ( 0 4-2 -15 1)
国家经贸委 2 0 0 0年国家技术创新重点专项计划项目
福建省科技计划重大科研项目( 2 0 0 2H0 0 7)。
关键词
钢管混凝土
钢管初应力
轴压剐度
抗弯剐度
concrete\|filled steel tube\ initial stress of steel tube\ initial stress ratio\ axial compressive rigidity\ flexural rigidity
