集中支撑钢架的抗震性能评估
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word文档，中文3300字，英文2200
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有关综合大学正在进行的对集中支撑钢架的抗震性能评估，本文总结了两个方面。整体的调查,包括利用常规支撑、屈曲约束支撑和粘性阻尼器的系统, 本文着重评价比较传统的轴心支撑框架的抗震性能。在本文的第一部分，具有相同力矩抵抗性能的可靠性架构,被用来评估轴心支撑框架的可能达到的抗震性能的可信度。在文章的第二部分描述了一个帮助轴心抗拉构件改进建模的实验程序。这部分包括一个接近实际大小的两层轴心抗拉构件的实验范例。
This paper summarizes two aspects of an on-going investigation at UC Berkeley that focuses on the seismic behavior of concentrically braced braced steel frame structures. While the overall investigation includes systems that utilize conventional braces, buckling restrained braces and braces incorporating viscous damping devices, this paper focuses on evaluating the seismic performance of relatively conventional concentric braced frames. the same reliability framework as used to assess Special Moment Resisting Frame (SMRF) structures during the FEMA/SAC Steel Project was employed to assess the confidence with which Special Concentric Braced Frames (SCBF) might achieve the seismic performance expected of new SMRF construction. In the second part, a test program to help improve modeling of SCBF systems is described, including the design of a nearly full-size, two-story SCBF test specimen.