Response of the ultra high performance concrete under dynamic compressive loading

Nela Krčmářová, Jan Falta, Tomáš Fíla, David Čítek
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Abstract

Ultra high performance concrete is a modern cementitious material which exhibits excellent mechanical properties such as damage tolerance, fracture toughness and durability. These features make this materials suitable for wide range of applications where is the material subjected to different modes of loading and different loading rates.This paper deals with measurement of the Ultra high performance concrete reinforced with steel fibres in quasi-static compression mode of deformation and two elevated strain rates using split Hopkinson pressure bar. The results of the measurement show high increase of the mechanical properties with elevated strain rate.
超高性能混凝土在动压荷载作用下的响应
超高性能混凝土是一种具有损伤容限、断裂韧性和耐久性等优异力学性能的现代胶凝材料。这些特点使这种材料适用于广泛的应用,其中材料受到不同的加载模式和不同的加载速率。本文采用分离式霍普金森压杆对钢纤维增强超高性能混凝土进行了准静态压缩变形和两种高应变速率下的测量。测量结果表明,随着应变速率的提高,材料的力学性能有较大的提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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