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A simplified finite element model for assessing steel fibre reinforced concrete structural performance

机译:评估钢纤维混凝土结构性能的简化有限元模型

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The present numerical investigation offers evidence concerning the validity and objectivity of the predictions of a simple, yet practical, finite element model concerning the responses of steel fibre reinforced concrete structural elements under static monotonic and cyclic loading. Emphasis is focused on realistically describing the fully brittle tensile behaviour of plain concrete and the contribution of steel fibres on the post-cracking behaviour it exhibits. The good correlation exhibited between the numerical predictions and their experimental counterparts reveals that, despite its simplicity, the subject model is capable of providing realistic predictions concerning the response of steel fibre reinforced concrete structural configurations exhibiting both ductile and brittle modes of failure without requiring recalibration. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本数值研究提供了有关简单,实用,有限元模型的预测的有效性和客观性的证据,该模型涉及钢纤维增强混凝土结构构件在静态单调和循环荷载下的响应。重点是现实地描述普通混凝土的完全脆性拉伸性能,以及钢纤维对其所表现出的开裂后性能的贡献。数值预测与实验结果之间显示出良好的相关性,表明尽管模型简单,但该主题模型仍能够提供有关钢纤维增强混凝土结构构型的响应的现实预测,而钢结构结构既显示出延性模式,又显示出脆性模式,而无需重新校准。 (C)2016 Elsevier Ltd.保留所有权利。

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