首页> 外文会议>Proceedings of the Fifteenth international conference on civil, structural and environmental engineering computing >Perforated Shear Panels for Seismic Rehabilitation of Existing Reinforced Concrete Buildings
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Perforated Shear Panels for Seismic Rehabilitation of Existing Reinforced Concrete Buildings

机译:多孔剪力板,用于现有钢筋混凝土建筑物的地震修复

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In the field of the seismic protection of buildings, the use of steel plate shear walls (SP-SWs) may be particularly appropriate for the intervention of seismic retrofitting of existing reinforced concrete (RC) buildings designed for gravity loads only. Some past research has shown that, when traditional full SPSWs are used as bracing devices for framed buildings, they may induce excessive design forces to the surrounding frame members. Therefore, low yield steel could be a valuable option to overcome this applicability limit. Nevertheless, the scarce availability in the market of these steels suggests the employment of aluminium alloys and perforated steel plates, which have the benefit of incurring behaviour in the plastic range for low stress levels. In this paper, in order to conduct a parametric analysis concerning the use of full and perforated SPSWs for seismic upgrading of existing RC framed structures, first some experimental tests have been numerically calibrated using the SeismoStruct software. Subsequently, the proposed finite element model has been used to design the retrofitting systems with either full or perforated SPSWs of an existing RC residential five-storey building. Finally, the differences in the use of these solutions, in terms of both structural and economic viewpoints, have been demonstrated.
机译:在建筑物的地震防护领域,钢板剪力墙(SP-SWs)的使用可能特别适合于干预仅用于重力载荷的现有钢筋混凝土(RC)建筑物的地震改型。过去的一些研究表明,当传统的完整SPSW用作框架建筑物的支撑装置时,它们可能会对周围的框架构件产生过大的设计力。因此,低屈服钢可能是克服此适用性限制的有价值的选择。然而,这些钢市场的稀缺性表明使用了铝合金和穿孔钢板,它们具有在低应力水平下在塑料范围内产生行为的优点。在本文中,为了对使用完整的和穿孔的SPSW进行现有RC框架结构的地震升级进行参数分析,首先使用SeismoStruct软件对一些实验测试进行了数值校准。随后,所提出的有限元模型已用于设计现有RC住宅五层建筑物的全或穿孔SPSW的改造系统。最后,从结构和经济角度来看,这些解决方案在使用上的差异已得到证明。

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