装配式楼盖板缝连接节点研究与应用分析
2017-08-11陈浩庞瑞付豪马致远黄路环曹建磊
陈浩+庞瑞+付豪+马致远+黄路环+曹建磊


摘 要:楼盖结构是建筑结构的重要组成部分,直接影响到结构的可靠性和经济性。在装配式混凝土樓盖中,楼盖的隔板作用主要由板缝的连接部分提供,其受力性能将对楼盖水平隔板作用产生重要影响,进而影响到整个结构的地震响应规律。该文对国内外现有几种典型节点形式进行了介绍,分析了它们的特点和共性,阐述了现阶段装配式楼盖板缝连接节点的研究与应用现状,探讨了有待继续研究的关键问题和发展方向,希望能为装配式楼盖的研究与应用提供参考。
关键词:装配式楼盖 板缝处理 连接形式 连接件
中图分类号:TU37 文献标识码:A 文章编号:1672-3791(2017)07(c)-0068-04
Abstract: Floor structure is an important part of building structure, directly affect the structure reliability and economy. In prefabricated concrete floor, the floor of the connection part of the partition function is mainly composed of joints, its mechanical performance will have important impact on floor level clapboard, which affect the whole structure seismic response law. At home and abroad in this paper, several typical nodes existing forms are introduced, analyzed their characteristics and commonness, this paper expounds the current research and application of precast floor plate seam connection node status quo, discusses the key problems of remains to be continue to research and development direction, hoping to provide reference for the research and application of precast floor.
Key Words: Precast floor; Ate joint processing; Connection from; Fittings
1 楼盖的应用形式
现有的楼盖结构形式按施工方法大致分为两类:现浇式楼盖体系和预制式楼盖体系。现浇式楼盖体系因有较好的整体性和平面内刚度,常被用于对抗震和防渗要求较高的建筑中去,但其施工速度慢、受天气影响大、占用场地较多等问题随着社会的发展而日益尖锐。预制式楼盖体系分为装配整体式和全装配式。装配整体式楼盖,又分为湿式楼盖和混合式楼盖,其做法分别是将各预制梁板现场吊装后,通过整结措施和现浇混凝土构成整体,其较全装配式楼盖有较好的整体性与平面内刚度,但湿式楼盖和混合式楼盖因其保留现浇式楼盖的部分缺点,限制了预制RC技术的推广与应用[1]。而全装配式楼盖是由预制构件在现场安装连接而成,有节约劳动力、施工污染少、施工周期短、绿色环保、便于工业化和机械化施工等优点。……
