| 汪梦甫,周锡元.高层建筑结构抗震弹塑性简化方法的研究及其应用[J].计算力学学报,2002,19(4):482~487 |
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| 高层建筑结构抗震弹塑性简化方法的研究及其应用 |
| A matrix force method for analysis of member system structures due to the removal of members or modification of members'''' cross-section dimensions and internal force |
| 修订日期：2001-07-06 |
| DOI：10.7511/jslx20024101 |
| 中文关键词: 高层建筑结构 弹塑性 简化方法 抗震设计 |
| 英文关键词:member system structure,asimplified computational method,imagined initial displacement,removal of members,modification of members' internal force, |
| 基金项目:湖南省自然科学基金资助 (湘科计字重点 972 84)，国家计委资助 |
| 汪梦甫 周锡元 |
| [1]湖南大学土木工程学院，长沙410082 [2]中国建筑科学研究院，北京100013 |
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| 中文摘要: |
| 以地震反应谱理论为依据，建立了可以考虑多阶振型影响的高层建筑结构弹塑性静力分析方法。在此基础上发展了较简单且较为精确的高层建筑结构弹塑性地震反应计算方法。最后给出的算例论证了本文简化方法的可能性及可行性。 |
| 英文摘要: |
| Based on the matrix force method and the principle of linear superposition, an analysis process of the original structure under discussed load and imagined initial displacement are established in this paper, which can be used for analysis of new structure due to the removal of members or modification of members' cross section dimensions and internal force . With this simplified method, the global flexible matrix of structure is set up and inverted only by one time under discussed load, and the additional computation have something to do with these members that are cut off or changed in dimens ions and internal force, the computation rate is greatly improved. The results of numerical examples show that the proposed simplified method is correct, reliable and effective. |
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