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Finite element modelling and identification of the material properties of fibre concrete

机译：有限元建模与纤维混凝土材料特性的鉴定

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Concrete is frequently used when designing the civil engineering structures. It is, in particular, used for elements of the load-carrying systems. High strength concrete, fibres in concrete or recycled materials are employed as advanced solutions. It is necessary to identify the material properties of new materials and composites with respect to the future use. This is, particularly, the case of non-linear analyses which are performed in designs and analyses. This paper focuses on evaluation and modelling of three point flexural test of fibre concrete beams. The purpose is to evaluate the basic properties which will be used for constitutive models in the non-linear analyses. It is assumed that the constitutive models of concrete are based on the fracture-plastic theory. The modelling and analyses are performed in ATENA-the software application which is based on the Finite Element Method.
机译：在设计土木工程结构时经常使用混凝土。特别是用于承载系统的元件。高强度混凝土，混凝土或再循环材料中的纤维作为先进的解决方案。有必要识别新材料和复合材料的材料特性，相对于未来使用。特别是，特别是在设计和分析中进行的非线性分析的情况。本文重点研究了纤维混凝土梁三点弯曲试验的评价与建模。目的是评估将用于非线性分析中的本构模型的基本属性。假设混凝土的本构模型基于裂缝塑料理论。建模和分析在Atena-The Software应用程序中进行，该软件应用程序基于有限元方法。

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