优良韧性是钢纤维混凝土这一新型结构工程材料的显著特点。
An excellent toughness is the significant properly of steel fibre reinforced concrete which is a new type of structural material.
钢纤维对混凝土的主要贡献之一是在对变形的能量吸收方面，这种性能通常称为韧性。
One of the main contribution of steel fibres to concrete is in the effect to improve the energy absorption performance, and this performance is known as toughness.
按照国际标准对新型仿钢丝聚丙烯合成长纤维增强高性能混凝土的工作度、含气量、强度及弯曲韧性进行了试验研究。
The experimental results for workability, air content, compressive strength and flexural toughness of modified macro polypropylene fiber reinforced high performance concrete are presented.
试验表明，钢纤维掺量对高强混凝土单轴受压的应力峰值、峰值应变及韧性产生了不同程度的影响；
The results showed that the peak-stress, peak-strain and toughness of high-strength concrete under uniaxial compression are affected in different extents by the content of steel fiber;
而通过掺加聚丙烯纤维提高高强混凝土的韧性是当前的重要研究方向。
But adding the polypropylene fiber to improve the toughness of high strength concrete is an important direction in present study.
此外，本文还利用不同类型钢纤维进行了钢纤维高强混凝土的抗压强度、抗剪强度、劈拉韧性和弯曲韧性试验。
Meanwhile, shear strength, splitting tensile and flexural toughness experiments have been conducted using four types of steel fiber on steel fiber reinforced high strength concrete (SFRHSC).
试验结果表明，在混凝土中掺入聚丙烯纤维可以提高混凝土的韧性，抑制混凝土的开裂过程，从而有效达到防裂的目的。
The experiment result shows that adding polypropylene fiber into concrete can improve its ductility and inhibit its cracking process and ultimately achieve the cracking-control aim.
并以应力-应变全程曲线所围面积作为韧性指标，对两种纤维混凝土在冲击荷载下增韧特性进行了对比分析。
The area of strain-stress curve is regarded as tenacity index, and the tenacity increase characteristics of the two kinds of fibers reinforced concrete were analyzed and compared.
分析结果表明：无论哪种龄期，PVA纤维混凝土梁的韧性要比普通混凝土梁高，且随纤维含量的增加而增大；
The result indicates:the toughness of PVA fiber concrete beams is higher than common concrete in any concrete ages, and increasing with PVA fiber volume ratios increasing.
结果表明通过纤维的增强和增韧作用，超高性能混凝土的抗弯强度和弯曲韧性指数分别提高到2倍和10倍以上。
Results showed that the flexual strength and the flexual toughness index of UHPC become more than 2 times and 10 times respectively of those of the matrix concrete by the reinforcement of fibers.
结果表明：混杂纤维可显著提高自密实混凝土的韧性并改善其破坏形态。
The effect of hybrid fiber on the toughness and failure patterns of self-compacted concrete is verified by the results of investigation.
结果表明，钢纤维增强聚合物改性混凝土材料具有良好的冲击韧性，是一种理想的混凝土桥面铺装材料。
The results show that Steel Fiber Reinforced and Polymer Modified Concrete having good impact properties, and it is one of the ideal pavement materials for concrete bridge deck.
通过试验研究了素混凝土、聚丙烯纤维混凝土和层布式混杂纤维混凝土的弯曲韧性。
The flexural toughness of plain concrete, polypropylene fiber reinforced concrete and layered hybrid fiber reinforced concrete are experimentally studied.
与低强凸痕型钢纤维相比，端部带弯钩的高强钢纤维对高性能混凝土弯曲韧性和断裂能的提高效果更为显著。
Compared to the marked steel fiber with lower strength, the hooked steel fiber with higher strength has better effects on the flexural toughness and fracture energy of HPC.
本发明公开了一种高强韧性的公路用混凝土，其配料为水泥、粗集料、细集料、水、改性钢纤维、橡胶微粒。
The invention discloses high-obdurability highway concrete, which has the ingredients of cement, coarse aggregate, fine aggregate, water, modified steel fiber and rubber microparticle.
对轻骨料高强度钢纤维混凝土的抗压强度、初裂强度、弯曲强度、弹性模量和弯曲韧性指数等主要力学指标进行了试验研究。
The flexural strength, first crack strength, modulus of elasticity and flexural toughness of high-strength lightweight fiber-reinforced concrete were investigated.
采用劈拉试验观测了聚丙烯纤维混凝土的抗裂增韧性能。
Study on the Acoustic Emission Characteristics of the Concrete Cleavage;
借助弯曲荷载-挠度全曲线，分析了纤维掺量和类型对韧性指数和初裂荷载的影响。结果表明，钢纤维混凝土的抗弯初裂强度、极限强度和弯曲韧性均随纤维掺量的增大而提高。
Through the load-deflection curves of SFRC, the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.
采用建议方法可以全面评价钢纤维自密实混凝土的剪切韧性；
Predictive equations are suggested for evaluation of the compressive strength and flexural strength of SFRSCC.
采用建议方法可以全面评价钢纤维自密实混凝土的剪切韧性；
Predictive equations are suggested for evaluation of the compressive strength and flexural strength of SFRSCC.
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