Buckling Effective Length Factor of Columns in Fast-Disassembling Recycle-Use Steel Container Modular Houses

IF 1.3 4区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

International Journal of Steel Structures Pub Date : 2025-11-16 DOI:10.1007/s13296-025-01008-9

He Zhang, Zi Wang, Kun Wang, Zhongqi Wu, Ruyi Wang, Jiachao Liu

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Abstract

To serve important construction projects and scientific explorations in inaccessible areas, the fast-disassembling recycle-use steel container modular house has been proposed. It is a kind of particular frame or braced frame in which beams and columns are connected to corner joints. Connections between columns and corner joints are mostly partially rigid. Sometimes, connections between beams and corner joints are also partially rigid. To provide a calculation method for the buckling effective length factor of columns in container modular houses, 37469 column models have been analyzed. It can be observed that the buckling effective length factor of columns in container modular houses can be calculated by equations of sidesway uninhibited frame column or sidesway inhibited frame that considers the flexural stiffness released of column ends if corner-joints are rigid. Impacts of stiffness of corner-joint are simplified. The corner-joint’s stiffness requirements are found if the corner-joint can be treated as rigid. Furthermore, an equivalent beam stiffness is proposed when beam ends are partially connected with corner-joints.

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快速拆解循环使用钢集装箱组合式房屋柱的屈曲有效长度系数

为服务于交通不便地区的重大建设工程和科学考察，提出了可快速拆卸的可循环使用钢集装箱模块化房屋。它是一种特殊的框架或支撑框架，其中梁和柱通过角节点连接。柱与角节点之间的连接大多是部分刚性的。有时，梁与角节点之间的连接也是部分刚性的。为提供集装箱组合式房屋柱的屈曲有效长度因子的计算方法，对37469个柱模型进行了分析。可以看出，集装箱组合式房屋中柱的屈曲有效长度因子可以采用考虑角节点刚性时柱端抗弯刚度释放的侧移无约束框架柱或侧移无约束框架方程来计算。对角节点刚度的影响进行了简化。如果角节点可以作为刚性节点处理，则得到角节点的刚度要求。在此基础上，提出了梁端部分连接角节点时的等效梁刚度。

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来源期刊

International Journal of Steel Structures 工程技术-工程：土木

CiteScore

2.70

自引率

13.30%

发文量

122

审稿时长

12 months

期刊介绍： The International Journal of Steel Structures provides an international forum for a broad classification of technical papers in steel structural research and its applications. The journal aims to reach not only researchers, but also practicing engineers. Coverage encompasses such topics as stability, fatigue, non-linear behavior, dynamics, reliability, fire, design codes, computer-aided analysis and design, optimization, expert systems, connections, fabrications, maintenance, bridges, off-shore structures, jetties, stadiums, transmission towers, marine vessels, storage tanks, pressure vessels, aerospace, and pipelines and more.