本文还对钢纤维高强混凝土动态劈裂强度进行初步研究。
In this paper, an elementary study on dynamic split strength of SFRHSC is carried.
对16根矩形截面配筋钢纤维高强混凝土纯扭构件进行了试验研究。
Experimental results of 16 reinforced steel fiber high strength concrete members with rectangular cross section under pure torsion are reported.
钢纤维高强混凝土对于改善梁结构的初始斜裂荷载作用，并不明显；
The steel fiber cannot obviously improve the loads corresponding to the first inclined cracks.
本文的另一重点是研究钢纤维高强混凝土的损伤演化、建立含损伤的率型本构模型。
Another emphasis of this paper is the research on damage evolvement of SFRHSC and foundation of strain rate sensitive constitutive relation containing damage.
主要从试验研究和理论分析出发，研究钢纤维高强混凝土的动态力学性能，建立含损伤的率型本构关系。
The dynamic mechanics property of SFRHSC is investigated and strain rate sensitive constitutive relation containing damage is founded through experimental study and theoretical analysis.
分析了钢纤维高强混凝土和普通高强混凝土的缺口敏感性以及钢纤维对高强混凝土裂缝前缘应变场分布的影响。
The notch sensitivity of HSC and steel fiber reinforced HSC and the strain field of HSC reinforced with steel fibers ahead of the crack tip have been analyzed.
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).
通过25根钢筋钢纤维混凝土梁的试验，研究了影响钢纤维高强混凝土梁在正常使用极限状态下裂缝宽度的各种因素。
Based on an experimental study on 25 FRC beams, variables that affect the width of cracks in steel fiber reinforced high-strength concrete beams under normal service conditions are studied.
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;
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.
本文以尺寸相近的钢纤维作为对比，对不同体积掺量的高强泵送有机钢纤维混凝土的工作性能、早期抗裂性能、力学性能及耐久性能进行了试验研究。
In this paper, the working performance, early cracking resistance, strength, durability of mixing the content of different sizes of high strength organic steel fiber pumping concrete were studied.
添加不同长径比、体积率钢纤维，获得最佳超高强度硅酸盐混凝土的增强、增韧与阻裂效应。
Add a different aspect ratio and volume ratio of steel fibers, in order to attain the best high strength Portland concrete reinforcing, toughening and crack resistance effect.
添加不同长径比、体积率钢纤维，获得最佳超高强度硅酸盐混凝土的增强、增韧与阻裂效应。
Add a different aspect ratio and volume ratio of steel fibers, in order to attain the best high strength Portland concrete reinforcing, toughening and crack resistance effect.
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