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QING Long-bang, LI Qing-bin, GUAN Jun-feng. CALCULATATION METHOD OF THE LENGTH OF FRACTURE PROCESS ZONE OF CONCRETE[J]. Engineering Mechanics, 2012, 29(4): 197-201.
Citation: QING Long-bang, LI Qing-bin, GUAN Jun-feng. CALCULATATION METHOD OF THE LENGTH OF FRACTURE PROCESS ZONE OF CONCRETE[J]. Engineering Mechanics, 2012, 29(4): 197-201.
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CALCULATATION METHOD OF THE LENGTH OF FRACTURE PROCESS ZONE OF CONCRETE

  • State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China;2. School of Civil Engineering and Communication, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou, Henan 450011, China

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  • Received Date: July 15, 2010
  • Revised Date: October 07, 2010
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    • Abstract
  • Based on the concept of cohesive crack and taking initial fracture toughness as a fracture initiation and propagation criteria, the calculation method of a concrete fracture process zone length is developed. The fracture process zone length in the Mode Ⅰ Crack with different initial crack lengths and fracture toughness are calculated and the results are verified by previous experiment data of mass concrete. Furthermore, the affecting factors of fracture process zone lengths are analyzed and the results show that the fracture process zone length gradually increases with initial crack length and decreases with initial fracture toughness.
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