2015/10/25 Chapter4 4.1 Frame Structures Frame Structures .4.1.1 Types .Steel-C oncrete Fran .Stee Mon .Steel Frame and Concrete core Xiong Haibel,Tongji University,2015 Reinforced Concrete Frame ·Materials tions of beams and columns are moment ·0 ping ratio of RCFrame is ar und 5%; ame is restricted ony 50m. Reinforcement in RC Frame HamCnts 本课件版权归作者所有，仅供个人学习使用，请勿转载。 1
2015/10/25 1 Chapter 4 Xiong Haibei, Tongji University, 2015 Frame Structures 4.1 Frame Structures 4.1.1 Types Reinforced Concrete Frame (RC Frame) Steel-Concrete Frame (SRC Frame) Steel Moment Frame Steel Frame with braces or dampers Steel Frame and Concrete Wall Steel Frame and Concrete core Reinforced Concrete Frame Materials Concrete Reinforce bars Characteristics connections of beams and columns are moment support; Lateral stiffness of RC Frame is lager than steel frame, and less than SRC Frame; Damping ratio of RC Frame is around 5%; Cost economic compare to steel frame The height of RC Frame is restricted only 50m。 钢筋混凝土框架 Reinforcement in RC Frame Connection of rein-bars in joint (plane) 本课件版权归作者所有，仅供个人学习使用，请勿转载
2015/10/25 Steel-Concrete ↓stel-Concrete Frame Frame Materials Steel SRC=S+RC m : Steel-Concrete Frame Steel Moment Frame .Material stee Characteristic ·a 本课件版权归作者所有，仅供个人学习使用，请勿转载。 2
2015/10/25 2 Connection of rein-bars in joint (section) Photos of Connection of rein-bars in joint Steel-Concrete Frame Materials Steel Concrete reinforcement Characteristic Lateral stiffness of SRC Frame is lager than RC Frame; The Section of beams and columns are smaller than RC frame’s Better fire-resistant than steel frame Construction of SRC is complicated Steel-Concrete Frame SRC=S+RC Steel-Concrete Frame Steel Moment Frame Material Steel Characteristic Good seismic performance Lateral Stiffness and damping ratio of structure are smaller than RC Frame Weak in Fire-resistance Complicated in joint construction 本课件版权归作者所有，仅供个人学习使用，请勿转载
2015/10/25 Steel Frame Steel Frame with braces with braces and Dampers .Material .Material stee .Characteristic menbeedmand eStiess can beobtained fom rameand .Weak in Fire-resistance Steel frame-RCwall .Materials Characteristic the lateral 本课件版权归作者所有，仅供个人学习使用，请勿转载。 3
2015/10/25 3 Steel Frame with braces Material Steel Characteristic Good seismic performance Lateral Stiffness can be obtained from frame and braces Weak in Fire-resistance Steel Frame with braces and Dampers Material Steel Characteristic Good seismic performance Lateral Stiffness can be obtained from frame and braces Better in damping ratio with dampers Weak in Fire-resistance 同济大学土木大楼 阻尼支撑 Steel frame －RC wall Materials Steel Concrete reinforcements Characteristic Shear walls greatly increase the lateral stiffness and capacity of structures Steel beam and column joint can be hinge connection, which is easier in construction Double resistant line of earthquake 本课件版权归作者所有，仅供个人学习使用，请勿转载
2015/10/25 起州金 Steel tube structure .material .Characteristic esistance 低内保品中 4.1 Frame Structures 4.1.2 failure modes under rare earthquake 取子堪 1.“Strong-Column and Weak-Beam”为 Sourees:China Sou 本课件版权归作者所有，仅供个人学习使用，请勿转载。 g
2015/10/25 4 Steel tube structure material steel Characteristic Closed columns and deep beam composed to a tube like structures, which greatly increase the general stiffness Weakness in fire-resistance 4.1 Frame Structures 4.1.2 failure modes under rare earthquake earthquake vulnerability of RC Frames under “5.12” Earthquake 一、现行设计能实现强柱弱梁吗 1. “Strong-Column and Weak-Beam” ?! Sources: China Southwest Architecture Design Institute Co., Ltd Con’d 现行设计能实现强柱弱梁吗 Sources: China Southwest Architecture Design Institute Co., Ltd Weak Column 本课件版权归作者所有，仅供个人学习使用，请勿转载
2015/10/25 Sources:Chine A 本课件版权归作者所有，仅供个人学习使用，请勿转载
2015/10/25 5 Con’d 现行设计能实现强柱弱梁吗 Sources: China Southwest Architecture Design Institute Co., Ltd 如何考虑框架、框剪结构中填充墙对整体结构的刚度贡献 Con’d Sources: China Southwest Architecture Design Institute Co., Ltd 如何考虑框架、框剪结构中填充墙对整体结构的刚度贡献 Con’d Sources: China Southwest Architecture Design Institute Co., Ltd Infill walls Disadvantage: inducing damage of structural elements 怎样合理设计框架、框剪结构中的填充墙 Con’d Sources: China Southwest Architecture Design Institute Co., Ltd 建议提高竖向构件的最低配筋水准 Con’d Sources: China Southwest Architecture Design Institute Co., Ltd 箍筋设置问题 Damage regarding to stirrups 建筑材料、施工管理问题 Con’d Sources: China Southwest Architecture Design Institute Co., Ltd 本课件版权归作者所有，仅供个人学习使用，请勿转载