Research On Character Expression Of Long-span Public Buildings

Large-span public buildings are gigantic volume, modeling outstanding and having different personality characteristics with other building types.At the same time,as increasing in the number of construction in recent years,some problems have been revealed in the character expression,such as the misuse and abuse of character technique of expression,the missing of building cultural and technological content and the ignorance of the detail node processing.By analyzing the personality development process and the motivation of the large-span public buildings,and through the interpretation of the classic examples and the collation of extensive literature,this article puts forward that the main character traits of large-span public buildings are large-scale,sense of whole and landmark.It is the nature expression of the external shape across the interior structure and use property of large-span public buildings.The research clues of this article are the typical character traits of large-span public buildings and the basis is the in-depth analysis of the main constraints to the character expressional design of large-span public buildings.To explore the ways how to deal with the relationship between the internal space and the external shape. The paper starts from a historical point of the formation of the character of long-span public buildings. By using the comparing analysis method, the paper summarized the influence of internal and external cause about the development of the character of long-span public buildings in different periods. And it raised the typical characteristic of the long-span public buildings, that is large scale,associative perception and affinity, and laid foundation for the design method of the postamble. Secondly, from the macroscopic perspective, the paper analyzed the method of general performance of the character of long-span public buildings. Constructing the research framework of the overall design method from the characterization of the interior space, the expression of the usage nature of buildings, the the expression of special technique and then conducted a systematic analysis of those. We should highlight the main spatial characteristics, reflect the spatial combination mode in design l. And should pay attention to the status and connotatively expression of buildings, the character expression of special function with a particular technical approach, that is technology of structure selection, technology of mass communication, eco- technology. They together expressed the character trait of buildings. Finally, from the microcosmic of view, the paper explained the detail expression methods of the character of long-span public buildings. Mainly from three aspects that are controlling of the ratio scale, the expression of color and texture, seizing of the features of components. The paper raised that we should pay attention to the key parts of the treatments, the expression of the color and texture of epidermis, and also about the revealing the typical characteristics of the building, the revealing of the beauty of processing components and the expression of the beauty of construction from the relationship between the overall and detail.The purpose of writing this thesis is to sum up the problems of the characteristic of long-span public buildings, and to combine the architectural design examples at home and abroad that also existed. The paper summed up the experiences of success or failure of those examples and combined with the thoeries, raised up the design strategies and methods and hoped that it can better guide the design practice.