钢结构梁柱节点塑性铰外移主动设计策略研究综述
Research Review on Active Design Strategy of Plastic Hinge Relocation in Steel Structure Beam-Column Joints
摘要: 传统的钢结构梁柱节点基本都是焊接形成，在地震中容易发生脆性破坏，为减少财产损失和更好地保护人生安全，将梁柱节点塑性铰外移的研究逐渐走入大众视野。梁柱节点的塑性铰外移有多种因素，此论文总结削弱H型梁、加强梁柱节点、一种装配式可更换的削弱型节点三种情况，其中削弱H型梁包括削弱腹板、削弱翼缘、组合削弱。加强梁柱节点型可细分为扩大翼缘型、盖板加强型、侧板加强型、肋板/腋板加强型和组合加强型。这三种情况会使塑性铰从梁端往梁中部方向移动，实现塑性铰外移的效果，符合“强节点弱构件”的设计理念。并且对未来的研究提出相关建议。
Abstract: Traditional steel structure beam-column joints are mostly formed by welding and prone to brittle failure during earthquakes. To reduce property damage and better protect human safety, research on relocating plastic hinges in beam-column joints has gradually gained attention. The relocation of plastic hinges in beam-column joints is influenced by multiple factors. This paper summarizes three scenarios: weakening H-shaped beams, strengthening beam-column joints, and a type of prefabricated replaceable weakened joint. Among these, weakening H-shaped beams include weakening the web, weakening the flange, and combined weakening. Strengthening beam-column joints can be further categorized into enlarged flange type, cover plate strengthening type, side plate strengthening type, rib/stiffener strengthening type, and combined strengthening type. These three approaches shift the plastic hinge from the beam end toward the mid-span of the beam, achieving the effect of relocating the plastic hinge, which aligns with the design principle of “strong joints and weak members”. Additionally, relevant suggestions for future research are proposed.
文章引用：武鹏, 董锦坤, 张玉桂. 钢结构梁柱节点塑性铰外移主动设计策略研究综述[J]. 土木工程, 2026, 15(4): 133-144. https://doi.org/10.12677/hjce.2026.154087

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