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Crack Bridging Stress-Crack Opening Relationship for High Ductility Cementitious Composites
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Jiandong WU1, Liping GUO1, 2, 3, Cong DING1
Journal of the Chinese Ceramic Society | 2021, 49(12) : 2667 - 2675
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Journal of the Chinese Ceramic Society | 2021, 49(12): 2667-2675
• Research Article •
Crack Bridging Stress-Crack Opening Relationship for High Ductility Cementitious Composites
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Jiandong WU1, Liping GUO1, 2, 3, Cong DING1
Affiliations
  • 1.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2.Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, China
  • 3.Collaborative Innovation Center for Advanced Civil Engineering Materials, Nanjing 211189, China

    • WU Jiandong(1990-), male, Doctoral candidate. E-mail:

About Author:

WU Jiandong(1990-), male, Doctoral candidate. E-mail:

Published: 2021-12-20 doi: 10.14062/j.issn.0454-5648.20200848
Outline
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The interface chemical bond, potential fiber de-bonding fracture, potential fiber slip fracture and slip hardening interface characteristics were concerned based on the micron-scale pull-out characteristics of single staple fiber from the hardened matrix. The crack bridging stress-crack (σB-δ)opening relationship based on high ductility cementitious composite (HDCC) design theory was analyzed, and the (σB-δ)relation model of HDCC was proposed. In addition, the established model was verified by the experimental test data, indicating that the properties (i.e., tensile strength and average crack opening after failure) of HDCC predicted by the model are in reasonable agreement with the experimental results.

high ductility cementitious composite  /  crack bridging stress-crack opening relationship  /  micromechanics  /  fracture mechanics  /  microstructure parameter
吴建东, 郭丽萍, 丁聪. 高延性水泥基复合材料裂纹桥联应力与裂纹张开关系. 硅酸盐学报, 2021 , 49 (12) : 2667 -2675 . DOI: 10.14062/j.issn.0454-5648.20200848
Jiandong WU, Liping GUO, Cong DING. Crack Bridging Stress-Crack Opening Relationship for High Ductility Cementitious Composites[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (12) : 2667 -2675 . DOI: 10.14062/j.issn.0454-5648.20200848
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Year 2021 volume 49 Issue 12
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Article Info
doi: 10.14062/j.issn.0454-5648.20200848
  • Receive Date：2020-11-09
  • Online Date：2026-10-30
  • Published：2021-12-20
Article Data
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History
  • Received：2020-11-09
  • Revised：2021-03-12
Funding
Affiliations
    1.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
    2.Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, China
    3.Collaborative Innovation Center for Advanced Civil Engineering Materials, Nanjing 211189, China

Corresponding:

GUO Liping (1979-), female, Ph. D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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