现浇钢筋混凝土薄壁空腔楼盖的理论分析
首发时间:2010-05-04
摘要:密肋空腔楼盖是解决建筑大跨度楼盖设计问题的一种重要的结构形式,本文介绍了现浇钢筋混凝土双向密肋薄壁空腔楼盖这种新型楼盖形式,采用夹层板理论的Hoff型理论,不仅考虑夹心的横向剪切变形,同时也考虑上下表层的抗弯刚度,推导出在竖向均布荷载作用下的现浇钢筋混凝土双向密肋薄壁空腔楼盖的偏微分方程,并给出了对边简支对边固支边界条件下的解析解,做出算例分析,对拟夹层板法和有限元模型两者的结果进行对比分析,在误差允许范围之内。
关键词: 拟夹层板 空腔楼盖 Hoff型理论 对边简支对边固支
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The method of Sandwich Plate about thin-wall Cast-in-site Reinforced Concrete Hollow floor
Abstract:The thin-wall Cast-in-site Reinforced Concrete Hollow floor is a new type floor system,this article introduced the floor structure.By adopting Hoff sandwich plate thoery,an analytical solution with two opposite clamped edges and others simply supported edges is obtained,the result is proved to be a good agreement with the finite element model result.
Keywords: the method of sandwich plate Cast-in-site Reinforced Concrete Hollow floor Hoff sandwich plate theory two opposite clamped edges and others simply supported edges
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