冷弯型钢剪力墙抗震特性的有限元模拟参数化研究

IF 1.7 3区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Advanced Steel Construction Pub Date : 2014-03-01 DOI:10.18057/ijasc.2014.10.1.4

S. Hatami, A. Rahmani, Ali Parvaneh, H. Ronagh

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引用次数: 11

摘要

冷弯型钢框架及其附属护套是冷弯型钢结构中常见的抗侧力体系。本文采用有限元法对剪力墙板的侧移性能进行了研究。有限元模型与其他研究人员的实验结果进行了对比验证。利用验证的模型，对剪力墙板的强度、位移和抗震性能进行了参数化研究。结果表明:框架构件厚度、护套材料类型、边螺杆间距、框架高度对初始刚度和极限侧向强度的影响较大，而现场螺杆间距等参数对初始刚度和极限侧向强度的影响较小。此外，本文还对剪力墙的抗震性能进行了研究，给出了相应的剪力墙延性系数和减力系数(r系数)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A PARAMETRIC STUDY ON SEISMIC CHARACTERISTICS OF COLD-FORMED STEEL SHEAR WALLS BY FINITE ELEMENT MODELING

Shear wall panels, including cold-formed steel frames and its attached sheathing, are common lateral load resisting systems of cold-founed steel structures. In this paper, the finite element method is used to study the lateral performance of shear wall panels. The finite element model is validated against experimental results of other researchers. Using the validated model, a parametric study is described to determine strength, drift and seismic behavior of the shear wall panels. Based on the results, it is concluded that the initial stiffness and ultimate lateral strength are dramatically affected by the thickness of the frame members, type of sheathing material, edge screw spacing, height of the frame, while some parameters such as field screw spacing have a minor effect on the initial stiffness and the ultimate lateral strength. In addition, this study looks into the earthquake performance of the shear wall panels and presents the corresponding ductility factor and force reduction factor (R-factor) of shear wall panels.

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来源期刊

Advanced Steel Construction CONSTRUCTION & BUILDING TECHNOLOGY-ENGINEERING, CIVIL

CiteScore

2.60

自引率

29.40%

发文量

审稿时长

6 months

期刊介绍： The International Journal of Advanced Steel Construction provides a platform for the publication and rapid dissemination of original and up-to-date research and technological developments in steel construction, design and analysis. Scope of research papers published in this journal includes but is not limited to theoretical and experimental research on elements, assemblages, systems, material, design philosophy and codification, standards, fabrication, projects of innovative nature and computer techniques. The journal is specifically tailored to channel the exchange of technological know-how between researchers and practitioners. Contributions from all aspects related to the recent developments of advanced steel construction are welcome.