All Title Author
Keywords Abstract


柱承式钢筋混凝土立筒群仓的动力特性分析

DOI: 10.13197/j.eeev.2014.03.151.gongyq.020, PP. 151-156

Keywords: 钢筋混凝土立筒群仓,变截面Timoshenko梁,动力特性分析,半无限大弹性地基,常微分方程求解器

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了分析柱承式钢筋混凝土立筒群仓的动力特性,本文将其简化为支撑在半无限大弹性地基上的变截面Timoshenko梁组合体。选取组合体中性层的挠度和横截面绕中性轴的转角为基本未知函数,将其自由振动问题,通过能量原理转化为由这两个未知函数组成的常微分方程组,然后利用常微分方程求解器(ODEsolver)求其数值解,得其自振频率和振型,并将数值解与相应的试验数据进行对比,以验证简化模型的正确性以及数值方法的有效性与精度。

References

[1]  王录民, 张 华, 卢文胜, 等. 柱承式群仓结构模型模拟地震振动台试验研究[J]. 建筑结构, 2010, 40(10): 41-43. WANG Lumin, ZHANG Hua, LU Wensheng, et al. Study of shaking table tests on the model of group silos structures[J]. Building structure, 2010, 40(10): 41-43.(in Chinese)
[2]  GB50191-2012构筑物抗震设计规范[S]. GB50191-2012 Code for Seismic Design of Special Structures[S].(in Chinese)
[3]  GB50077-2003钢筋混凝土筒仓设计规范[S]. GB50077-2003 Code for Design of Reinforced Concrete Silos[S].(in Chinese)
[4]  吴 瑾. 柱承式钢筋砼筒仓的抗震设计[J]. 混凝土与水泥制品, 1994(5): 52-54. WU Jin. Aseismic design of a column-supporting reinforced concrete silo[J]. Concrete and Cement Products,1994(5): 52-54.(in Chinese)
[5]  刘增荣, 黄 义, 邵 江. 贮仓结构参数的频域识别[J]. 振动与冲击, 2001, 20(1): 79-81. LIU Zengrong, HUANG YI, SHAO Jiang. Frequency domain identification of storehouse structure parameters[J]. Journal of vibration and shock, 2001, 20(1): 79-81.(in Chinese)
[6]  孙 芳, 王命平, 耿树江, 等. 柱承式筒仓的地震反应分析[J]. 特种结构. 2005, 22(4): 4-9. SUN Fang, WANG Mingping, GENG Shujiang, et al. The seismic response analysis of column-supported silos[J]. Special Structures, 2005, 22(4): 4-9.(in Chinese)
[7]  蒋 华, 谢海舰, 张 薇. 某筒-柱支承式钢筋混凝土圆形筒仓结构动力特性研究[J]. 西华大学学报(自然科学版), 2012(1): 102-105. JIANG Hua,XIE Haijian, ZHANG Wei. Analysis of dynamic characteristics for cylinder reinforced concrete silo supported by columns-cylinder[J]. Journal of Xihua University (Natural Science), 2012(1): 102-105.(in Chinese)
[8]  张 昊, 揣 君, 许启铿, 等.钢筋混凝土柱支承筒仓模型模态试验与有限元分析[J]. 建筑科学, 2012, 28(7): 19-22. ZHANG Hao, CHUAI Jun, XU Qikeng, et al. Modal experiment and finite element analysis of reinforced concrete silo model supported by RC columns [J]. Building Science, 2012, 28(7): 19-22.(in Chinese)
[9]  Dooms D, Degrande G, De Roeck G, et al. Finite element modelling of a silo based on experimental modal analysis[J]. Engineering Structures, 2006, 28(4): 532-542.
[10]  Leszczynski J S and Blaszczyk T. Modeling the transition between stable and unstable operation while emptying a silo [J]. Granular Matter, 2011, 13(4): 429-438.
[11]  王命平, 孙 芳, 高立堂, 等. 筒承式群仓的地震作用分析及试验研究[J]. 工业建筑, 2005, 35(10): 29-32. WANG Mingping, SUN Fang, GAO Litang, et al. Study of earthquake action and tests of multi-silo supported by cylinder[J]. Industrial Construction, 2005, 35(10): 29-32.(in Chinese)
[12]  王录民, 张 华. 钢筋混凝土立筒群仓结构抗震模型的设计和制作[J]. 结构工程师, 2008, 24(3): 126-128. WANG Lumin, ZHANG Hua. Design and construction for a seismic model of reinforced concrete group silos[J].Structural Engineers, 2008, 24(3): 126-128.(in Chinese)
[13]  Lapko A. and Prusiel J A. Structural analysis of RC circular grouped silos under patch actions [J]. Granular Matter, 2004, 6(2-3): 185-190.
[14]  Yuan Si. ODE conversion techniques and their applications in computational mechanics [J]. Acta Mechanica Sinica, 1991, 7(3): 283-288.
[15]  叶康生, 袁 驷. 常微分方程特征值问题求解器解法的改进[J]. 工程力学, 2004, 21(3): 31-35. YE Kangsheng, YUAN Si. The improvement of ODE solver method in the analysis of ODE eigenvalue problem[J]. Engineering Mechanics, 2004, 21(3): 31-35.(in Chinese)
[16]  张 华. 立筒群仓结构模型模拟地震振动台试验研究[D].河南工业大学, 2008. ZHANG Hua.Study of shaking table tests on the model of group silos structures[D]. Henan University of Technology, 2008.(in Chinese)
[17]  龚耀清, 张正维. 半无限大弹性地基等效刚度公式及其应用[J]. 工程力学, 2007, 24(5): 10-16. GONG Yaoqing, ZHANG Zhengwei. Formulation of equivalent stiffness for semi-infinite elastic subgrade and its application[J]. Engineering Mechanics, 2007, 24(5): 10-16.(in Chinese)

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

微信:OALib Journal