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首页> 外文期刊>Cement & concrete composites >Reinforcement effects of multi-scale hybrid fiber on flexural and fracture behaviors of ultra-low-weight foamed cement-based composites
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Reinforcement effects of multi-scale hybrid fiber on flexural and fracture behaviors of ultra-low-weight foamed cement-based composites

机译：多尺度杂交纤维对超低重量泡沫水泥基复合材料弯曲和断裂行为的加固效果

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摘要

In this paper, the flexural behavior and fracture parameters of ultra-low-weight foamed cement-based composites (FCC) reinforced by a novel fiber hybridization containing short PP fiber, and CaCO3 whisker was investigated. The flexural behavior, fracture failure, fracture toughness, and fracture energy of FCC with multi-scale fibers have been comprehensively evaluated. The fiber hybridization performed better fracture performances than that of incorporation of mono PP fiber or CaCO3 whisker, which has provided a grading crack resistance in the ultra-low-weight FCC and achieved the synergistic reinforcing effect. Accordingly, this work is helpful towards the foundation of optimal design for fracture toughness analysis in fiber-reinforced lightweight cement elements.
机译：本文研究了含有短PP纤维的新型纤维杂交和CaCO3晶须增强的超低重量泡沫基层复合材料（FCC）的弯曲行为和断裂参数。 全面评估了FCC的FCC的弯曲行为，断裂性，断裂韧性和断裂能。 纤维杂交比掺入单对PP纤维或CaCO3晶须的较好的裂缝性能，这在超低重量的FCC中提供了分级抗裂缝性并实现了协同增强效果。 因此，这项工作对纤维增强轻质水泥元件中的断裂韧性分析的最佳设计基础有所帮助。

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