高层建筑结构耗能减震技术经济性综合评价研究

发布时间：2018-06-06 02:44

本文选题：高层建筑 + 结构耗能减震　；参考：《东北林业大学》2015年硕士论文

【摘要】：我国频频发生高震级的地震,给我国造成了巨大的损失。当建筑结构遭遇地震时,由于结构自身抗震能力差导致了人员伤亡严重。结构耗能减震技术的提出能够提高结构自身的抗震性能,其主要应用于高层及超高层建筑中更加符合我国建筑行业的发展趋势。本文将根据结构耗能减震技术的自身特点,对其在高层建筑结构中的经济性进行综合评价。首先,本文对结构耗能减震技术的基本理论进行了论述,介绍了结构耗能减震技术国内外发展状况。并且研究了结构振动控制理论,其中结构耗能减震技术属于最经常用的被动控制,主要工作原理是通过附加的减震装置来控制结构振动。随后,介绍了新型合金阻尼器,该阻尼器是结构耗能减震技术中较为有代表性的一种,为后文中引入采用新型合金阻尼器的减震项目经济评价作为案例奠定基础。其次,本文根据结构耗能减震技术自身的特性,参考了许多目前已有的经济评价指标体系,并建立了高层建筑结构耗能减震技术经济性评价指标体系。该指标体系从经济效益评价、安全性能评价、社会效益评价三个方面评价和探讨了结构耗能减震技术的经济性。在这个评价指标体系中设置了三个层次的评价指标,其中有三个一级评价指标,七个二级指标和二十四个三级评价指标。然后,再仔细分析了这些评价指标的内涵和计算方法后,本文对常用的数学评价方法进行了综合的分析、对比和研究了,最终择优选择了DEA评价方法并构建了高层建筑结构耗能减震技术经济性评价模型。由于本文中的指标有定性和定量指标两种指标,本文采用了专家打分法对定性指标进行赋值,然后使用了均值法进行无量纲处理。由于评价指标较多,采用主成分提取的方法进行了指标的筛选。最后应用了交叉DEA评价模型,对实际的结构减震项目的经济性做出了评价,并验证了已建立的指标体系的有效性和评价模型是正确的,对于工程相关新技术的经济评价研究具有较好的参考和应用意义。最终,得到结论为：在抗震设防地区,应用减震技术的项目的经济性明显优于传统抗震设计的项目；该地区的地震设防烈度越高,其经济性的优势越明显。
[Abstract]:High-magnitude earthquakes occur frequently in China, causing huge losses to our country. When the building structure is subjected to earthquake, the poor seismic capacity of the structure results in serious casualties. The structure energy dissipation and seismic absorption technology can improve the seismic performance of the structure itself, and its main application in high-rise and super-tall buildings is more in line with the development trend of the construction industry in China. In this paper, according to the characteristics of energy dissipation and seismic absorption technology of structures, the economy of high-rise building structures is comprehensively evaluated. Firstly, the basic theory of structure energy dissipation technology is discussed, and the development of structure energy dissipation technology at home and abroad is introduced. The structure vibration control theory is also studied. The structure energy dissipation and damping technology is the most frequently used passive control. The main working principle is to control the structure vibration through the additional shock absorber. Then, a new alloy damper is introduced, which is a representative of the structural energy dissipation technology, which lays a foundation for the economic evaluation of the shock absorber project using the new alloy damper as a case study. Secondly, according to the characteristics of energy dissipation and seismic absorption technology of structures, this paper refers to many existing economic evaluation index systems, and establishes the economic evaluation index system of energy dissipation technology for high-rise building structures. This index system evaluates and discusses the economy of structure energy dissipation and seismic absorption technology from three aspects: economic benefit evaluation, safety performance evaluation and social benefit evaluation. In this evaluation index system, there are three evaluation indexes, including three first-grade evaluation indexes, seven second-class indexes and twenty-four third-level evaluation indexes. Then, after careful analysis of the connotation and calculation methods of these evaluation indexes, this paper makes a comprehensive analysis, comparison and research on the commonly used mathematical evaluation methods. Finally, the DEA evaluation method is selected and the economic evaluation model of energy dissipation technology for high-rise building structures is constructed. Because there are two kinds of qualitative and quantitative indexes in this paper, the expert scoring method is used to assign the qualitative index, and then the mean method is used to deal with the dimensionless index. Because there are many evaluation indexes, the method of principal component extraction is used to screen the indexes. Finally, the cross-DEA evaluation model is applied to evaluate the economy of the actual structural shock absorber project, and the validity of the established index system and the evaluation model are proved to be correct. It has good reference and application significance for the economic evaluation of new engineering related technologies. Finally, it is concluded that in the seismic fortification area, the economic efficiency of the project using the seismic absorption technology is obviously superior to that of the traditional seismic design project, and the higher the seismic fortification intensity in this area, the more obvious the economic advantage of the project.
【学位授予单位】：东北林业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TU973.31

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