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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >A three-dimensional macroelement for modelling the in-plane and out-of-plane response of masonry walls
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A three-dimensional macroelement for modelling the in-plane and out-of-plane response of masonry walls

机译：一种用于建模平面内和砌体墙壁的面内响应的三维宏观形态

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The seismic performance of unreinforced masonry buildings is commonly assessed using equivalent frame modelling. Its computational efficiency allows for a large number of analyses to be conducted, which are often required to account for epistemic and aleatoric uncertainties. To obtain a full description of the building response, in-plane and out-of-plane failure modes need to be considered, though previous elements for equivalent frame models of unreinforced masonry buildings only account for the in-plane response. This paper presents the formulation of a three-dimensional macroelement for modelling the dynamic in-plane and out-of-plane behaviour of masonry panels, which extends the approach of a previously developed macroelement to simulate the in-plane response. The proposed three-node, three-dimensional macroelement is implemented in the software OpenSees and describes the main features of the in-plane and out-of-plane behaviour of a masonry wall, including second-order geometrical effects and a coupled shear/flexural response. It also allows for the use of complex material models. The proposed element is used to simulate experimental results for in-plane shear-compression tests and out-of-plane free vibration tests of masonry panels. The implemented element, as well as the example models, is openly shared through the repository .
机译：使用等效框架建模通常评估未原始的砌体建筑物的地震性能。其计算效率允许进行大量分析，这些分析通常需要考虑认识和炼膜的不确定性。为了获得建筑物响应的完整描述，需要考虑平面内和平面外部故障模式，尽管未采用的架构建筑物的等效框架模型的先前元素仅考虑到面内响应。本文介绍了一种三维宏观调，用于建模砌体面板的动态面内线和平面外行为，这延伸了先前显影的宏观的方法来模拟面内响应。所提出的三个节点，三维宏观设计在软件开放中实施，并描述了砌体墙壁面内和平面外行为的主要特征，包括二阶几何效果和耦合的剪切/弯曲回复。它还允许使用复杂的材料模型。所提出的元件用于模拟面内剪切压缩测试的实验结果和砌体板的外平面自由振动试验。实现的元素以及示例模型，通过存储库公开共享。

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