Size of reinforcement bar significantly affected the fatigue life of materials, the larger the matrix space can make more resistance to crack propagation.
增强柱的尺寸对材料疲劳寿命影响较大，较大的基体空间可以为裂纹扩展增加更多的阻力。
Finally, the mechanism of crack resistance and strength reinforcement was discussed based on the experimental and numerical analysis. Also a hybrid effect factor formula was suggested in this paper.
最后，本文在试验研究与数值模拟分析的基础上，探讨混合纤维的阻裂和增强机理，提出了本文建议的混合效应系数计算公式。
Prestressing reinforcement technology as an effective means to greatly improve and adjust the original structure of the force, the strength and commitment to improve crack resistance.
体外预应力技术作为一种行之有效的加固手段，能够大幅度的改善和调整原结构的受力，提高结构的强度和抗裂性。
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