DOI: 10.11908/j.issn.0253-374x.19515

作者:

作者单位: 1.同济大学 土木工程学院，上海 200092;2.同济大学 土木工程防灾国家重点实验室，上海 200092;3.中建海峡建设发展有限公司，福建 福州350015


作者简介: 夏 冰（1996—），男，博士生，主要研究方向为结构拆解力学分析与可持续性评价.E-mail: xiabing@tongji.edu.cn


通讯作者: 肖建庄（1968—），男，教授，博士生导师，工学博士，主要研究方向为可持续混凝土结构.E-mail: jzx@tongji.edu.cn

中图分类号: TU311


基金项目: 国家自然科学基金（51325802，51661145023）；中央高校基本科研业务费专项资金（22120200063）




Mechanical Analysis and Fundamental Philosophy for Deconstruction of Structures
Author:

Affiliation: 1.College of Civil Engineering,Tongji University,Shanghai 200092, China;2.State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;3.CSCEC Strait Construction and Development Co.,Ltd, Fuzhou 350015, China


Fund Project:




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摘要:建立了结构拆解的力学分析总体思路，提出安全性和再利用性作为结构拆解控制属性，阐明结构拆解的力学分析目标、对象、工况、问题与分析方法；建议了状态离散法和空间分割法作为简化分析方法，将拆解全流程划分为多状态，将各状态的分析划分为局部分析、结构分析和构件分析3类，总结力学分析内容。进一步，筛选了可用的概念分析、解析分析和数值模拟工具，给出混凝土结构和钢结构框架拆解分析简例，并指出未来研究方向及难点，致力于为拆解安全、拆解后构件再利用和拆解效率提升提供研究基础。



Abstract:The general idea of mechanical analysis for deconstruction of structures is established.Safety and reusability are proposed as control attributes of deconstruction, and the aim, objects, conditions, problems, and methods of the mechanical analysis are clarified. Besides, the state dispersion method and the spatial segmentation method are recommended as the methods for simplification. In this way, the whole deconstruction process is divided into multiple states, and the analysis of each state is divided into local analysis, structural analysis, and component analysis, of which the contents are summarized. Furthermore, the available tools in conceptual analysis, analytical analysis, and computational simulation are screened, based on which， deconstruction scenarios of simple concrete and steel frame structures are analyzed, and future research directions and difficulties are pointed out, in order to provide research foundation for the safety of deconstruction, the reuse of components, and the enhancement of efficiency.





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