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首页> 外文期刊>International Journal of Applied Engineering Research >Economical Short Rectangular Reinforced Concrete Column Design under Combined Axial Load plus Uniaxial Bending Using STAAD Pro
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Economical Short Rectangular Reinforced Concrete Column Design under Combined Axial Load plus Uniaxial Bending Using STAAD Pro

机译：轴承轴承轴承轴承轴承轴承率下的经济短矩形钢筋混凝土柱设计使用Staad Pro

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摘要

The intention of this study is to minimize the cost of short rectangular reinforced concrete column design under combined axial loads plus uniaxial bending and approach the economical column design without prior knowledge of optimization. The total cost of column includes cost of concrete, reinforcement, and formwork, whereas the ties cost incorporated in the reinforcement cost. The design variables considered in this study are the loading, width of column, height to width ratio, unit cost of concrete and unit cost of formwork. STAAD Pro V8i software has been used to design all columns. All calculations are done based on elastic analysis and the ultimate strength method of design as per ACI 318M-14 code requirements for axial loads and bending moments. The results of economical columns total costs database indicate that the average cost ratio of concrete, reinforcement and formwork to total cost are 28%, 36% and 36% respectively, whereas ties cost constitutes 7% of the total cost. Economical column design can be obtained from several iterations in total cost calculations, and more trials for section dimensions of the column lead to more economical column design. Economical column design can be approached as the column cross section has height to width ratio in the range of 1 to 1.25 and reinforcement ratio in the range of 1% to 2.5% at the same time.
机译：本研究的目的是在组合轴向载荷加上单轴弯曲和接近经济柱设计的情况下，最小化短矩形钢筋混凝土柱设计的成本，无需优化的先验知识。柱的总成本包括混凝土，加固和模板的成本，而钢筋成本则在增强成本中注入。本研究中考虑的设计变量是柱，宽度，高度与宽度比，混凝土的单位成本和模板的单位成本。 Staad Pro V8i软件已用于设计所有列。所有计算都是根据弹性分析和根据ACI 318M-14轴向载荷和弯曲时刻的要求设计的最终设计方法。经济专栏的结果总成本数据库表明，具体成本，总成本的平均成本比例分别为28％，36％和36％，而联盟成本占总成本的7％。经济柱设计可以从总成本计算的几个迭代中获得，并且对于柱的截面尺寸的试验导致更经济的柱设计。可以接近经济柱设计，因为柱横截面在1至1.25的范围内高度宽度比，同时加强率为1％至2.5％。

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