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Shrinkage Restraint Stress in Ultra-high Performance Concrete Surface of Steel Bridge Deck
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Fangyu HAN1, Jianzhong LIU2, 3, Jiaping LIU1, Hongyan WAN1, Jianfang SHA2, 3, Wei LIN2, 3, Yun WAN2, 3, Xiaobo ZHENG2, 3
Journal of the Chinese Ceramic Society | 2020, 48(11) : 1700 - 1705
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Journal of the Chinese Ceramic Society | 2020, 48(11): 1700-1705
• Special Issue for Ultra-high Performance Concrete Ⅱ •
Shrinkage Restraint Stress in Ultra-high Performance Concrete Surface of Steel Bridge Deck
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Fangyu HAN1, Jianzhong LIU2, 3, Jiaping LIU1, Hongyan WAN1, Jianfang SHA2, 3, Wei LIN2, 3, Yun WAN2, 3, Xiaobo ZHENG2, 3
Affiliations
  • 1.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2.State Key Laboratory of High Performance Civil Engineering Materials, Nanjing 211103, China
  • 3.Jiangsu Sobute New Materials Co., Ltd, Nanjing 211103, China

    • HAN Fangyu (1988-), male, Ph.D., Engineer. E-mail:

About Author:

HAN Fangyu (1988-), male, Ph.D., Engineer. E-mail:

Published: 2020-11-20 doi: 10.14062/j.issn.0454-5648.20200165
Outline
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The development behavior of shrinkage restraint stress on ultra-high performance concrete (UHPC) surface of steel bridge deck was investigated by theoretical method and restrained shrinkage experiment. The results show that steel bridge deck plays a leading role in restraining shrinkage deformation of UHPC and its restrained degree reaches to 0.41. An exponential growth trend occurs for reinforcement ratio regarding the restrained degree. Also, the restrained degree is linearly correlated to the generated stress in UHPC. The increment of the generated stress induced by reinforcement decreases as reinforcement ratio increases. In addition, a shrinkage value below 300×10-6 and feature of strain harideing for UHPC applying on bridge deck surface for cracking control were also proposed. A dense reinforcement (≥3%) can have a greater cracking risk in UHPC and equivalent stiffness in structure.

ultra-high performance concrete  /  steel deck surfacing  /  shrinkage restraint stress  /  cracking risk
韩方玉, 刘建忠, 刘加平, 万红燕, 沙建芳, 林玮, 万赟, 郑晓博. 超高性能混凝土钢桥面铺装层收缩约束应力分析. 硅酸盐学报, 2020 , 48 (11) : 1700 -1705 . DOI: 10.14062/j.issn.0454-5648.20200165
Fangyu HAN, Jianzhong LIU, Jiaping LIU, Hongyan WAN, Jianfang SHA, Wei LIN, Yun WAN, Xiaobo ZHENG. Shrinkage Restraint Stress in Ultra-high Performance Concrete Surface of Steel Bridge Deck[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (11) : 1700 -1705 . DOI: 10.14062/j.issn.0454-5648.20200165
Appendix
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Year 2020 volume 48 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20200165
  • Receive Date：2020-03-12
  • Online Date：2026-10-29
  • Published：2020-11-20
Article Data
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History
  • Received：2020-03-12
  • Revised：2020-04-26
Funding
Affiliations
    1.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
    2.State Key Laboratory of High Performance Civil Engineering Materials, Nanjing 211103, China
    3.Jiangsu Sobute New Materials Co., Ltd, Nanjing 211103, China

Corresponding:

LIU Jianzhong (1976-), male, Ph.D., Researcher. 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
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Genus		 种数
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Percentage of total
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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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