钢-混凝土组合空腹板架静力特性理论研究

Theoretical Study of Static Behavior of the Steel-Concrete Composite Open-Web Floor

钢-混凝土组合空腹楼盖是一种新的构造形式。结合一算例,利用ANSYS有限元软件,建立了组合空腹楼盖的三种计算模型:空间梁单元与壳单元的混合元模型、空间壳单元模型、壳单元和块体单元模型三种理论计算方法,对这三种计算模型作分析对比,得到了静荷载作用下该类结构的内力分布规律及其他一些有价值的结论。

In the paper, steel - concrete composite open - web floor, a new construction, is adopted. With an example, the paper uses finite element program ANSYS to establish three calculating model of the steel - concrete composite open -web floor： the combination finite element method of spatial beam elements and shell elements, the finite element method of shell elements and the combination finite element method of shell elements and entity element. By the comparison of three calculating model, it reaches a number of im- portant conclusions.