RESEARCH STATUS OF NEW CONNECTION TECHNIQUE OF PREFABRICATED WALL STRUCTURE
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摘要: 装配式墙体结构是工业化住宅建筑的主要结构形式,预制构件间的连接技术对结构性能有着显著影响。总结了水平接缝和竖向接缝的新型连接技术,根据连接机制的不同,从强连接和可恢复功能连接的角度展开介绍。阐述了不同连接形式的基本构造、受力机理、抗震性能以及相关深化研究,重点介绍新型螺栓连接、水平缝可恢复功能连接以及竖缝可恢复耗能连接,分析不同连接形式的特点以及存在的问题,总结了装配式墙体结构连接技术的发展趋势,并探讨了未来的研究方向和需要进一步解决的问题。Abstract: The prefabricated wall structure is the main structural form of industrialized residential buildings. The connection technique for prefabricated components has a significant effect on structural performance. The new connection technique with horizontal and vertical joints were summarized. According to the different connection mechanisms, the introduction is from the perspective of strong connections and earthquake-resilience connections. The basic structure, stress mechanism, seismic performance and related deepening studies of different connections are described. The emphasis was on the new type of bolt connection, earthquake-resilience connections of horizontal joints and energy-dissipation connections for vertical joints. The characteristics and existing problems of different connections were analyzed. The development trend of connection technology for prefabricated wall structure was summarized, and future research directions and issues that need to be further addressed were discussed.
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