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TENSILE RESPONSE OF HYBRID-FIBRE CONCRETE

机译:混杂纤维混凝土的拉伸反应

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摘要

High performance Hybrid-Fibre Concretes (HFC) contain more types of steel fibres in one mixture. Uniaxial tensile strength of these concretes is rather high, and strain hardening is present as well. In this paper, the experimentally determined tensile behaviour of four different types of HFC is presented first. After that, the analytical model for the tensile softening is introduced. This model is based on the pullout of single fibres and on the number and orientation of fibres across the crack. Proposed model was subsequently compared with test results and evaluated.
机译:高性能混合纤维混凝土(HFC)在一种混合物中包含更多类型的钢纤维。这些混凝土的单轴抗拉强度相当高,并且还存在应变硬化。在本文中,首先介绍了实验确定的四种不同类型的HFC的拉伸性能。之后,引入拉伸软化的解析模型。该模型基于单纤维的拉出以及裂缝中纤维的数量和方向。随后将提议的模型与测试结果进行比较并进行评估。

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