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Passive energy dissipation characteristics of yielding shear panel device produced from steel and stainless steel

机译:钢和不锈钢生产的剪切面板装置的无源蓄能耗散特性

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Yielding Shear Panel Device (YSPD) is a newly developed passive energy dissipation device that exploits the stable hysteretic shear energy dissipation characteristics of a metal plate. YSPD is a simple device, which is composed of a thin metal diaphragm plate welded within a small segment of a square hollow section (SHS). The device is designed to be fitted on to a structure in such a way that it automatically gets activated to absorb excessive energy during the horizontal excitation as a result of any seismic activity. Performance of YSPDs produced from ordinary carbon steel has recently been evaluated both experimentally and numerically. Stainless steel offers significantly higher ductility, which makes stainless steel favourable for use in energy absorption. The current research exploits already validated numerical models for steel YSPDs to examine the characteristics of YSPDs produced from stainless steel. Two stainless steel alloys austenitic 1.4301 and lean duplex 1.4162 grades are used in the developed finite element models using ANSYS. Obtained results show that stainless steel could be considered as a viable option for manufacturing passive energy dissipation devices to mitigate damages due to seismic excitations.
机译:产生剪切面板装置(YSPD)是一种新开发的被动能量耗散装置,其利用金属板的稳定滞圈剪切能量耗散特性。 YSPD是一种简单的装置,它由薄金属隔膜板组成,焊接在方形中空部分(SHS)的一小部分内。该装置设计成以这样的方式安装到结构上,使得它在任何地震活动的结果中自动被激活以吸收过量的能量。最近通过实验和数值评估了由普通碳钢生产的YSPDS的性能。不锈钢提供明显更高的延展性,这使得不锈钢有利于能量吸收。目前的研究利用已经验证了钢YSPD的数值模型,以检查由不锈钢生产的YSPD的特性。两个不锈钢合金奥氏体1.4301和瘦双链体1.4162等级用于开发的有限元模型使用ANSYS。获得的结果表明,不锈钢可以被认为是制造被动能量耗散装置的可行选择,以减轻由于地震激发引起的损坏。

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