钢筋混凝土双向区格板经济厚度研究
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(湖南大学土木工程学院,长沙410082)[摘要] 以梁板结构的双向区格板为研究对象，参照现行混凝土和钢筋市场价格行情，通过控制最低造价，并采用弹性理论计算方法考虑跨度、钢筋、楼面活荷载以及混凝土强度的变化来讨论混凝土楼板板厚的变化规律，最终给出不同荷载、跨度以及不同混凝土强度等级下双向板的经济厚度，供设计人员在进行楼板设计时借鉴和参考。[关键词] 梁板结构;双向板;造价;经济板厚;不同边界条件中图分类号：TU375.2 文献标识码：A 文章编号：1002-848X（2013）S2-0524-04作者介绍: 张望喜，副教授，博士，Email：wxizhang2000@163.comStudy about economic thickness of two-way slab of reinforced concreteZhang Wangxi, Li Chenjun（College of Civil Engineering Hunan University, Changsha 410082,China）Abstract: A method to estimate the cost of two-way RC slab-and-beam structures was presented. A number of design variables, such as the span, concrete and steel strength, and loading, have been incorporated in the model to assess the economic thickness of slab. All these parameters were subjected to fluctuation of material prices, among which steel quantity and quality is on a decisive place. The economic thickness of the two-way RC slab was also unveiled. The data included was recommended as a reference when designing the two-way RC slab-and-beam structures and determining the cost.Keywords: beam and slab structures; two-way slabs; cost; economic thickness of slabs; different conditions
