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首页> 外文期刊>The structural design of tall buildings >Design and specification compilation of a modularprefabricated high‐rise steel frame structure with diagonal braces part II: Elastic–plastic time‐history analysis and joint design
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Design and specification compilation of a modularprefabricated high‐rise steel frame structure with diagonal braces part II: Elastic–plastic time‐history analysis and joint design

机译：带有斜撑的模块化预制高层钢框架结构的设计和规格汇编第二部分：弹塑性时程分析和接头设计

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摘要

The use of modular-prefabricated steel structures has distinct advantages, such as rapid construction, industrial production, and environmental protection. Although this type of structure has been extensively employed around the world, it is primarily used for low-rise buildings; its application in high-rise buildings is limited. This paper proposes a new type of modular-prefabricated high-rise steel frame structure with diagonal braces. An elastic-plastic time-history analysis of a 30-storey building during rare earthquakes was performed. The base shear, storey drift, stress, damage characteristics, and other performances of the structure were investigated. According to the mechanism analysis, finite element simulation, and model test, the formulas for the elastic and elastic-plastic design of the truss-column connection, column-column flange connection, and diagonal brace-truss connection are proposed in this paper. The control parameters for the structural design are also discussed. This study provides an important reference for the research and design of this type of modular-prefabricated high-rise steel structure. The design method has been compiled into a design specification named Technical Specifications for Prefabricated Steel Frame Structure with Diagonal Bracing Joints, which is unique for this type of structure.
机译：模块化预制钢结构的使用具有明显的优势，例如快速施工，工业生产和环境保护。尽管这种结构已在世界范围内广泛使用，但它主要用于低层建筑。它在高层建筑中的应用受到限制。本文提出了一种新型的带有斜撑的模块化预制高层钢框架结构。进行了30层建筑物在罕见地震中的弹塑性时程分析。研究了基础剪力，层间位移，应力，破坏特性以及结构的其他性能。通过机理分析，有限元模拟和模型试验，提出了桁架-柱连接，柱-柱法兰连接和对角撑杆-桁架连接的弹塑性设计公式。还讨论了结构设计的控制参数。该研究为这类模块化预制高层钢结构的研究和设计提供了重要参考。该设计方法已被编译为名为“带有对角撑杆的预制钢框架结构的技术规范”的设计规范，该规范对于此类结构是唯一的。

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