楼阁式错角筒砖塔结构性能分析研究
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摘要
砖石古塔在我国古塔中历史最为悠久,在现存古建筑中体型最为高大,保存数量最多,具有重要的研究意义。以南京牛首山弘觉寺塔为研究对象,利用部分实测数据以及材性指标,应用有限元分析软件ANSYS对楼阁式古塔特有的错角结构与一般楼阁式直筒结构性能进行了对比。研究发现两种结构的动力特性及荷载作用下的结构性能相似,但错角筒结构能避免不均匀沉降引起的应力集中。
Masonry pagodas in China with a large gradient and quantity,have important research significance.This dissertation selects a research object,Hongjuesi pagoda in Nanjing city,to make a contrast between turn structure and empty-tube structure. During the process of modeling,we use the data measured by Nanjing institute of Engineering and Architecture and indexes in standard. By using finite-element. By using finiteelement analysis software ANSYS,we studied different mechanical properties of the two structures under different loads. The research shows that the two structures do not have much difference under various loads,but turn structure avoids stress concentration under uneven settlement.
Masonry pagodas in China with a large gradient and quantity,have important research significance.This dissertation selects a research object,Hongjuesi pagoda in Nanjing city,to make a contrast between turn structure and empty-tube structure. During the process of modeling,we use the data measured by Nanjing institute of Engineering and Architecture and indexes in standard. By using finite-element. By using finiteelement analysis software ANSYS,we studied different mechanical properties of the two structures under different loads. The research shows that the two structures do not have much difference under various loads,but turn structure avoids stress concentration under uneven settlement.
引文
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[2]袁建力,李胜才,陆启玉,等.砖石古塔动力特性建模方法的研究[J].工程抗震,1998(1):22-25.Yuan Jianli,Li Shengcai,Lu Qiyu,et al.Research on modeling technology of dynamic behavior of the ancient masonry pagodas[J].Earthquake Resistant Engineering,1998(1):22-25.(in Chinese)
[3]姚玲.砖石古塔动力特性建模技术的研究与应用[D].扬州:扬州大学,2003.Yao Ling.Research and application on modeling technology of dynamic behavior of the ancient masonry pagodas[D].Yangzhou:Yangzhou University,2003.(in Chinese)
[4]张文明.砖石古塔的抗震性能评估及地震破坏机理研究[D].西安:西安建筑科技大学,2008.Zhang Wenming.Studies on aseismic behavior evaluation and seismic broken mechanics of ancient masonry pagodas[D].Xi'an:Xi'an University of Architecture and Technology,2008.(in Chinese)
[5]魏俊亚.古塔建筑的抗震保护研究一砖石古塔的线弹性地震反应分析[D].西安:西安建筑科技大学,2005.Wei Junya.Research on seismic protection of masonry pagodas[D].Xi'an:Xi'an University of Architecture and Technology,2005.(in Chinese)
[6]高久斌,袁建力,樊华,等.古砖木塔结构安全性评估的研究[J].建筑结构,2006,36(1):85-88.Gao Jiubin,Yuan Jianli,Fan Hua,et al.Research on structural safety evaluation of the ancient brick-timber pagoda[J].Building Structure,2006,36(1):85-88.(in Chinese)
[7]魏俊亚,张东平.砖石古塔动力特性初探[J].山西建筑,2007,33(20):56-57.Wei Junya,Zhang Dongping.The optimization design of square truss structure based on ANSYS analysis[J].Shanxi Architecture,2007,33(20):56-57.(in Chinese)
[8]龙驭球,包世华.结构力学教程(Ⅰ)[M].北京:高等教育出版社,2003.Long Yuqiu,Bao Shihua.Structural mechanics tutorial(Ⅰ)[M].Beijing:Higher Education Press,2003.(in Chinese)