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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >An Innovative Methodology For Seismic Retrofitting Of Existing Rc Buildings By Metal Shear Panels
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An Innovative Methodology For Seismic Retrofitting Of Existing Rc Buildings By Metal Shear Panels

机译：金属剪力板对现有钢筋混凝土房屋进行地震改造的创新方法

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摘要

In the present paper, the seismic upgrading of existing reinforced concrete (RC) structures by means of steel and pure aluminium shear panels is examined. After a preliminary experimental evaluation of the performance of the bare RC structure, a design approach based on the capacity spectrum method has been developed according to the procedure provided in the ATC 40 American guidelines. First, the geometrical configuration of the applied shear panels has been defined according to simplified analytical relationships, while appropriate steel members have been designed to allow the insertion of shear panels in the existing RC structure. Then, complex finite element models have been implemented in order to check the reliability of the proposed design procedure. Also, a numerical evaluation of the global response of the upgraded structure has been processed aiming at evaluating the interaction between the RC structure and the metal devices. Finally, the effectiveness of the applied shear panels has been proven by means of full-scale experimental tests, which confirmed the significant improvement of the RC structure performance, in terms of strength, stiffness and deformation capacity.
机译：本文研究了钢筋和纯铝剪力板对现有钢筋混凝土结构的抗震加固性能。在对裸露的RC结构的性能进行初步的实验评估后，根据美国ATC 40指南中提供的程序，开发了一种基于容量谱方法的设计方法。首先，已根据简化的分析关系定义了施加的剪力板的几何构造，同时设计了合适的钢构件以允许将剪力板插入现有的RC结构中。然后，为了检查所提出的设计程序的可靠性，已经实施了复杂的有限元模型。此外，已经对升级后的结构的整体响应进行了数值评估，旨在评估RC结构与金属器件之间的相互作用。最后，通过全面的实验测试证明了所应用的剪力板的有效性，证实了钢筋混凝土结构性能在强度，刚度和变形能力方面的显着提高。

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