STUDY ON CRACK IN STEEL FIBER REINFORCED CONCRETE BASED ON FRACTURE MECHANICS
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摘要: 基于混凝土断裂力学的基本理论,通过分析钢纤维的阻裂作用和增强效果,对钢纤维混凝土的抗裂度和裂缝宽度的计算模式进行探讨,提出了相应的公式,并与已有的试验研究结果比较,表明所作的分析与计算的正确性与有效性。Abstract: Basing on the fracture mechanics theory of concrete,through analyzing the anti-cracking function and reinforcing effect of steel fiber, it is discussed that the method for calculating the cracking strength and the width of the cracks in steel fiber reinforced concrete and the corresponding formula is also given. The author also checks them with the experimental results, which shows the validity of the analysis and calculation.
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[2] CECS 38:92 钢纤维混凝土结构设计与施工规程 赵国藩,彭少民,黄承逵.钢纤维混凝土结构.北京:中国建筑工业出版社,1999.84~89 [3] 高丹盈,刘建秀.钢纤维混凝土基本理论.北京:科学技术文献出版社,1994.110~249 [4] 钱济成,林建华.混凝土断裂的非线性分析.水利学报,1987(1) [5] Zeng Zhixing, Chen Benpei. Research on Calculation of the Cracks in Steel Fiber Reinforced Concrete. In:Li Shien, eds. Proceedings of the ICFRC. Guangzhou:Guangdong Science and Technology Press,1997 [6] 陈本沛.混凝土结构理论和应用研究的现状与发展.大连:大连理工大学出版社,1994.248~261 [7] Vishalvanich K, Naanam A E. Fracture Model for Fiber Reinforced Concrete. J. of the ACI, 1983,80(2):128~138
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