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首页> 外文期刊>Thin-Walled Structures >Seismic performance of cold-formed steel framed shear walls with steel sheathing and gypsum board
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Seismic performance of cold-formed steel framed shear walls with steel sheathing and gypsum board

机译：钢护套石膏板冷弯型钢框架剪力墙的抗震性能

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摘要

Cold-formed steel (CFS) framed shear walls with steel sheathing and gypsum board can achieve higher shear resistance compared to conventional CFS framed shear walls. Monotonic and cyclic loading tests on nine full-scale CFS shear walls were conducted to determine the influence of stud and steel sheathed thickness, sheathing material, wall aspect ratio and loading mode. The failure modes, ultimate shear capacity, load-deformation relationships, shear strength, lateral stiffness and ductility of walls were obtained. The structural analysis software OpenSees was used to establish nonlinear simplified models of shear walls under cyclic loading. The hysteresis curve obtained from simplified models showed significant pinch effect and degradation of strength and stiffness. The conclusions and the numerical simulation methods can be applied to the seismic design of CFS framed shear walls with steel sheathing and gypsum board.
机译：与传统的CFS框架剪力墙相比，带有钢护套和石膏板的冷弯型钢（CFS）框架剪力墙可实现更高的抗剪强度。对九个全尺寸CFS剪力墙进行了单调和循环荷载试验，以确定螺柱和钢的护套厚度，护套材料，壁长宽比和荷载方式的影响。获得了破坏模式，极限抗剪承载力，荷载-变形关系，抗剪强度，横向刚度和墙的延性。使用结构分析软件OpenSees建立了循环荷载作用下剪力墙的非线性简化模型。从简化模型获得的磁滞曲线显示出明显的收缩效应以及强度和刚度的下降。结论和数值模拟方法可应用于CFS钢护套石膏板剪力墙的抗震设计。

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