巧家縣體育館抗震性能分析及設計
發(fā)布時間:2018-03-28 16:57
本文選題:大跨度 切入點:抗震性能 出處:《重慶大學》2014年碩士論文
【摘要】:當今世界,隨著經(jīng)濟與科學技術的飛速發(fā)展,越來越多的大跨度體育場館開始涌現(xiàn),而且對建筑造型和使用功能的要求也越來越高。由于現(xiàn)代體育場館的很多自身特點,導致該類建筑結構抗震設計及鋼結構屋蓋與下部混凝土主體結構整體協(xié)同作用分析計算方面存在很多難點。尤其在高烈度地區(qū),這些難點更為明顯,因此,針對大跨度體育場館的抗震性能研究更為重要。 本文以巧家縣體育館的抗震設計工程實例作為研究對象,從大跨度空間混合結構的概念設計和結構選型出發(fā),并以近年來多次地震受災區(qū)的工程實例為依據(jù),闡述結構概念設計在體育場館類抗震設計中的合理運用。針對建筑結構抗震設防專項審查部門提出有關下部混凝土主體結構支座處剛度局部集中對上部鋼結構支座反力產生影響的建議,本文通過對下部混凝土主體結構采用框架結構和框架剪力墻結構兩種不同結構體系進行整體計算,比較分析其抗震性能,并對一系列相關抗震分析問題進行總結,,提出方案優(yōu)化建議。 針對大跨度體育場館結構抗震設計過程中平面及扭轉不規(guī)則導致周期比與位移比控制難度大,鋼結構與下部混凝土主體結構整體計算模擬不真實,錯層構件及節(jié)點受力分析復雜等問題,本文通過采用通用有限元結構分析軟件MIDAS GEN對不同結構方案進行抗震性能分析,并結合實際工程設計經(jīng)驗進行歸納總結,作為日后類似工程的設計參考依據(jù)。
[Abstract]:In today's world, with the rapid development of economy and technology, more and more large span sports venues began to emerge, and the construction of shape and function requirements are increasingly high. Because many modern stadium's own characteristics, resulting in synergistic effect of this kind of building structure seismic design and overall roof and the lower concrete main steel structure there are many difficulties in calculating structure analysis. Especially in areas of high intensity, the difficulty is more obvious, therefore, the study on seismic performance of long-span stadium is more important.
In this paper, the seismic design project of Qiaojia County Stadium as the research object, starting from the selection of concept design and structure of large-span space hybrid structure, and several times in recent years, the quake affected project as the basis, elaborated the rational use of conceptual design in class stadiums in seismic design. According to the structural seismic fortification special review the relevant department proposed the lower concrete structure of main bearing stiffness on the local concentration of upper bearing steel structure anti impact force recommendations, based on the concrete main structure adopts frame structure and frame shear wall structure with two different structure system of the overall calculation, comparative analysis of the seismic performance, and a series of related problems of seismic analysis summary of proposed optimization recommendations.
For the planar seismic response of long span stadium structure design process and lead to irregular torsion period ratio and displacement ratio control is difficult, the overall steel structure and the concrete main structure simulation is not true, Cuoceng member and joint stress analysis of complex problems by using finite element analysis software MIDAS GEN to different structure scheme the seismic performance analysis, and combining with the practical experience of engineering design are summarized, as a reference for the design of similar projects on.
【學位授予單位】:重慶大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TU352.11
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