摘要
采用通用有限元软件ANSYS建立了现浇混凝土空心楼盖的有限元分析模型,对空心楼盖的变形特征、内力分布规律以及影响现浇混凝土空心楼盖内力和变形的肋宽、板厚等因素进行了分析,研究了各楼盖构造参数对现浇混凝土空心楼盖受力性能的影响规律.研究结果表明,楼板的最大主应力随着肋宽的增加有所降低,楼板的抗弯刚度随着板厚的增加有所提高,考虑到构造要求,必须合理选取空心楼盖的肋宽和板厚.
The finite element model of cast-in-situ hollow concrete floor was established by the universal finite element analysis software ANSYS. Its flexibility and stress pattern were presented in details. The elementary analysis about the geometrical parameter influences of rib width and slab thickness on mechanical properties of the cast-in-situ hollow concrete floor was also made. The geometrical parameter on mechanical properties of such floor system was researched. The results indicate that the maximum principal stress of slabs reduce with the increasing rib width and the flexural rigidity of slabs raise with the increasing slab thickness, rib width and slab thickness must be resonably chosen while the structure requirements is taken into consideration. 7figs., 3tabs., 9refs.
出处
《湖南科技大学学报(自然科学版)》
北大核心
2008年第2期75-78,共4页
Journal of Hunan University of Science And Technology:Natural Science Edition
基金
湖南省教育厅资助项目(05C187)
关键词
现浇混凝土空心楼盖
参数
有限元
肋宽
cast-in-situ hollow concrete floor
parameter
finite element
rib width