装配整体式框架结构梁柱连接节点设计要点深度解析
In-Depth Analysis of Critical Design Points for Beam-Column Connection Nodes in Precast Concrete Integral Frame Structures
装配整体式框架结构的结构特性使得预制构件的装配连接与传统现浇结构施工有着本质不同,这使其建造成为一项既复杂又精细的系统工程。许多施工阶段的问题实际上是由于设计阶段的不足所引起的。深入分析了装配整体式框架结构中的梁与柱、主梁与次梁等部位的连接节点构造做法,通过探讨实际工程案例、引用相关标准和图集以及结合工作实践经验,提出了基于充分依据和明确观点的设计注意事项。这些注意事项被系统地归纳为四个结构布置要点、十一个连接节点要点和三个构造设计要点,较为全面地涵盖了装配整体式框架结构梁柱连接设计的主要内容。此外,对同一连接节点采用不同处理方法的优缺点进行了详尽分析,阐明了提出建议做法的理由,目的是让装配式建筑领域的技术人员能够深入理解原理并掌握关键技术,以便在设计阶段预见并避免潜在问题,从而提高装配式结构的安全性和施工效率。
The construction of a fully assembled frame structure is a process that is both complex and intricate. The structural characteristics make the assembly and connection of prefabricated components fundamentally different from traditional cast-in-place construction methods. Many issues encountered during the construction phase are actually due to deficiencies in the design phase. This paper deeply analyzes the construction practices of connection nodes such as beams and columns, main beams and secondary beams within fully assembled frame structures. By discussing practical engineering cases, referencing relevant standards and atlases, and combining work experience, it proposes design considerations based on well-founded evidence and clear viewpoints. These considerations are systematically summarized into four key points for structural layout, eleven key points for connection nodes, and three key points for construction design, comprehensively covering the main content of beam-column connection design in fully assembled frame structures. Moreover, this paper also features a detailed analysis of the advantages and disadvantages of different treatment methods for the same connection node, clarifying the reasons for suggesting certain practices. The aim is to enable technicians working in the field of prefabricated construction to deeply understand the principles and proficiently master key technologies. This will allow them to anticipate and avoid potential problems during the design phase, thereby improving the safety and construction efficiency of prefabricated structures.
装配整体式框架结构 / 梁柱连接节点 / 预制混凝土构件连接 / 结构布置 / 设计要点
monolithic precast concrete frame structure / beam-column connection node / precast concrete component connection / structure arrangement / design point
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