Research Status of Perfabricated Self-Centering Structures
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摘要: 近年来,我国大力提倡装配式结构,而装配式混凝土框架结构是目前国内外研究和应用最多的结构体系之一,其研究核心为梁柱连接节点形式及性能表现。传统的装配式干连接节点具备良好性能和减少现场湿作业等优点;而自复位结构不仅能实现震后基本没有残余变形,而且能实现震后快速恢复,投入正常使用。因此,介绍了装配式连接节点形式及一种带梁靴的螺栓连接的施工方法;并从自复位混凝土结构、自复位钢结构、基于位移设计方法三个方面对国内外自复位结构研究现状进行归纳总结。Abstract: In recent years, China has vigorously promoted prefabricated structures, and prefabricated concrete frame structures are currently one of the most researched and applied structural systems at home and abroad. The core of the research is the form and performance of the beam-column connection joint. The traditional prefabricated dry connection joint has the advantages of good performance and reduced on-site wet construction; while the self-centering structure can not only achieve basically no residual deformation after the earthquake, but also achieve the advantages of rapid recovery after the earthquake and put into normal use. Therefore, the form of prefabricated connection joints and the construction method of a bolted connection with beam shoes were introduced; and the research status of the self-centering structures at home and abroad were sumnarized from three aspects: self-centering concrete structures, self-centering steel structures and displacement-based design methods.
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Key words:
- prefabricated concrete structure /
- self-centreing structure /
- bolted
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