| The optimizing design of structure is the subject of domestic and foreign scholars of mutual concern in recent years. It provides a new method for the design of structure to develop more reasonable and safer. Currently, with the characteristics of flexible patterns of layout, frame structure has been used widely and got very good prospects for development. With the development of society and improvement of living standards, the requirement to the frame structure is not only safe and reliable, but also considering the rationality in aspect of economy, so it is necessary to have study on the optimizing design of structure.This paper optimized and analyzed reinforced concrete frame structure in the horizontal earthquake effect. The main job is to:Seeing the section size of columns, beams and the size of column grid as the design variables, and pursing the purpose of the lowest cost by studying reinforced concrete frame structure with the software ANSYS, the section size after the optimize is:the width size is7.80m, the depth size is6.30m and the width of the corridor is2.10m; Main beam cross-section of350mm×450mm; secondary beam cross-section of200mm×400mm; the optimal size of the column cross-section of700mm×750mm.We compared these results with the un-optimizing model ones, such as the column section sizes, beam section sizes, the column grid sizes and concrete consumption. The result is that the consumption of steel is decreased by3.24%, the unit construction area of concrete consumption is decreased by7.30%and the project cost is saved4.24%, which shows that the calculation method is reasonable.The mathematical model of reinforced concrete frame structure built in this paper is exactly according to "Load Code for the design of building structures"(GB50011—2001) and "Design of Reinforced Concrete"(GB50010-2002). Therefore, the computational method discussed in our paper is suitable for engineering design and provides an effective computational method for engineering designers. |
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