高位飞机库结构设计方法研究
发布时间：2018-12-08 13:39
【摘要】：高位飞机库是将常规飞机机库适应高填方区机场地势情况而延伸出的一种特种结构形式的飞机机库。通过将机库层放置于建筑物的第二层或以上位置,从而实现减少土方填筑,降低工程造价,增加建筑有效使用面积,提供土地使用效率,减少环境破坏具有积极的意义。本文主要研究高位飞机机库抗侧力体系的布置,及其在地震作用下的响应,通过分析并对比与常规机库抗侧力体系布置的差异,从而提出高位飞机机库抗侧力体系设计的要点及注意内容。本文主要内容包括:1、研究分析高位飞机机库建筑特点,分析其受力特性,并对高位飞机机库的的抗侧力体系布置原则进行探讨,提出高位飞机机库抗侧力构件的布置方法及设计特点,并对于与常规机库抗侧力体系设置要求进行对比,并提出本文中高位飞机机库的研究模型。2、对高位飞机机库的抗侧力体系在多遇地震作用下的弹性分析,主要研究其在多遇地震作用下的结构反应,进行振型分解反应谱分析和振型分解时程分析,并与重力荷载代表值下的静力分析结果组合,分析高位飞机机库在多遇地震作用下的基底剪力分布及各层最大位移等结构反应,分析振型特点。3、对高位飞机机库在罕遇地震情况下进行弹塑性静力和动力时程分析。通过分析表明高位飞机库在罕遇地震作用下机库及机库以下层的混凝土结构构件已经进入弹塑性阶段,对结构在罕遇地震作用下的弹塑性时程分析,得到高位飞机机库在罕遇地震下的基底剪力及柱顶最大位移等结构反应,分析结构的薄弱部位和塑性铰的出现,分布与发展等方面的情况。4、机库层地坪飞机荷载较大,结构优化设计对于造价影响较大,文中用有限元软件模拟板、主次梁在实际飞机轮压下及单位均布荷载作用下产生的最大弯矩,求得不同梁板布置、机型下的高架机库地坪等效均布活荷载取值,同时得到了主、次梁的均布荷载折减系数,并对这些结果的适用性进行了分析,给出了使用建议。
[Abstract]:The high plane hangar is a special type of aircraft hangar which adapts the conventional aircraft hangar to the situation of the airport topography in the high filling area. By placing the hangar at the second or higher level of the building, it is of positive significance to reduce the earthwork filling, reduce the engineering cost, increase the effective use area of the building, provide the land use efficiency and reduce the environmental damage. In this paper, the arrangement of anti-lateral force system of high plane hangar and its response under earthquake are studied, and the difference between the arrangement of anti-lateral force system and that of conventional hangar is analyzed and compared. The main points and contents of the design of the anti-lateral force system of the high plane hangar are put forward. The main contents of this paper are as follows: 1. The characteristics of high plane hangar are studied and analyzed, and the principle of anti-lateral force system arrangement of high plane hangar is discussed. This paper puts forward the layout method and design features of the anti-lateral force components of the high plane hangar, and compares the setting requirements of the anti-lateral force system with that of the conventional hangar, and puts forward the research model of the high-position aircraft hangar in this paper. The elastic analysis of the anti-lateral force system of high plane hangar under the action of frequent earthquake is mainly studied, and the structural response under the action of frequent earthquake is studied, and the mode decomposition response spectrum analysis and mode decomposition time history analysis are carried out. Combined with the static analysis results under the representative gravity load, the structural responses of the base shear force distribution and the maximum displacement of each layer of the high plane hangar under the action of frequent earthquakes are analyzed, and the characteristics of the vibration modes are analyzed. The elastoplastic static and dynamic time history analysis of high plane hangar under rare earthquake is carried out. The analysis shows that the concrete structural members of the hangar and the lower layer of the hangar have entered the elastic-plastic stage under the rare earthquake, and the elastic-plastic time history of the structure under the rare earthquake is analyzed. The structural responses such as the base shear force and the maximum displacement of the column top of the high plane hangar under rare earthquakes are obtained, and the appearance, distribution and development of the weak part of the structure and the plastic hinge are analyzed. The optimum design of the structure has a great influence on the cost. In this paper, the maximum bending moment of the primary and secondary beams under the actual aircraft wheel compression and the unit uniform load is simulated by the finite element software, and the different beam-plate arrangement is obtained. At the same time, the average load reduction coefficient of the main and secondary beams is obtained, and the applicability of these results is analyzed, and some suggestions for use are given.
【学位授予单位】：清华大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TU318
本文编号：2368454
[Abstract]:The high plane hangar is a special type of aircraft hangar which adapts the conventional aircraft hangar to the situation of the airport topography in the high filling area. By placing the hangar at the second or higher level of the building, it is of positive significance to reduce the earthwork filling, reduce the engineering cost, increase the effective use area of the building, provide the land use efficiency and reduce the environmental damage. In this paper, the arrangement of anti-lateral force system of high plane hangar and its response under earthquake are studied, and the difference between the arrangement of anti-lateral force system and that of conventional hangar is analyzed and compared. The main points and contents of the design of the anti-lateral force system of the high plane hangar are put forward. The main contents of this paper are as follows: 1. The characteristics of high plane hangar are studied and analyzed, and the principle of anti-lateral force system arrangement of high plane hangar is discussed. This paper puts forward the layout method and design features of the anti-lateral force components of the high plane hangar, and compares the setting requirements of the anti-lateral force system with that of the conventional hangar, and puts forward the research model of the high-position aircraft hangar in this paper. The elastic analysis of the anti-lateral force system of high plane hangar under the action of frequent earthquake is mainly studied, and the structural response under the action of frequent earthquake is studied, and the mode decomposition response spectrum analysis and mode decomposition time history analysis are carried out. Combined with the static analysis results under the representative gravity load, the structural responses of the base shear force distribution and the maximum displacement of each layer of the high plane hangar under the action of frequent earthquakes are analyzed, and the characteristics of the vibration modes are analyzed. The elastoplastic static and dynamic time history analysis of high plane hangar under rare earthquake is carried out. The analysis shows that the concrete structural members of the hangar and the lower layer of the hangar have entered the elastic-plastic stage under the rare earthquake, and the elastic-plastic time history of the structure under the rare earthquake is analyzed. The structural responses such as the base shear force and the maximum displacement of the column top of the high plane hangar under rare earthquakes are obtained, and the appearance, distribution and development of the weak part of the structure and the plastic hinge are analyzed. The optimum design of the structure has a great influence on the cost. In this paper, the maximum bending moment of the primary and secondary beams under the actual aircraft wheel compression and the unit uniform load is simulated by the finite element software, and the different beam-plate arrangement is obtained. At the same time, the average load reduction coefficient of the main and secondary beams is obtained, and the applicability of these results is analyzed, and some suggestions for use are given.
【学位授予单位】：清华大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TU318
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