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Effects of Expansive Agent and Super-Absorbent Polymer on Performance of Ultra-high Performance Concrete
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Luming LIU1, Zhi FANG1, 2, Zhengyu HUANG1, Bingzhi PEI3, Yuyou WU4
Journal of the Chinese Ceramic Society | 2020, 48(11) : 1706 - 1715
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Journal of the Chinese Ceramic Society | 2020, 48(11): 1706-1715
• Special Issue for Ultra-high Performance Concrete Ⅱ •
Effects of Expansive Agent and Super-Absorbent Polymer on Performance of Ultra-high Performance Concrete
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Luming LIU1, Zhi FANG1, 2, Zhengyu HUANG1, Bingzhi PEI3, Yuyou WU4
Affiliations
  • 1.College of Civil Engineering, Hunan University, Changsha 410082, China
  • 2.Key Laboratory for Wind and Bridge Engineering of Hunan Province, Changsha 410082, China
  • 3.Hubei provincial communications investment group, Wuhan 430070, China
  • 4.College of transportation and civil buildings, Foshan University, Foshan 528225, Guangdong China

    • LIU Luming (1988-), male, Ph.D. E-mail:

About Author:

LIU Luming (1988-), male, Ph.D. E-mail:

Published: 2020-11-20 doi: 10.14062/j.issn.0454-5648.20200255
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In order to reduce or compensate the autogenous shrinkage of ultra-high performance concrete (UHPC), effects of expansive agent, super-absorbent polymer (SAP), expansive agent (EA) and SAP on the slump flow, setting time, strength and autogenous shrinkage of UHPC were investigated. The results show that EA can reduce the slump flow and shorten the setting time of UHPC, the addition of SAP increases the slump flow and the setting time of UHPC with EA. The EA addition of 4% can slightly increase the compressive and flexural strength of UHPC, the EA addition of 8% can decrease the compressive and flexural strength of UHPC, and the addition of SAP increases the compressive and flexural strength of UHPC with the EA addition of 8%. The autogenous shrinkage of UHPC is reduced by 34.4% at the EA addition of 4%, and the autogenous shrinkage of UHPC is compensated completely with a volume instability at the EA addition of 8%. The SAP addition can further reduce the autogenous shrinkage of UHPC at the EA addition of 4% and increase the volume stability of UHPC at the EA addition of 8%. It is thus indicated that the combined addition of EA and SAP could be an ideal approach to reduce the autogenous shrinkage of UHPC.

ultra-high performance concrete  /  expansive agent  /  super absorbent polymer  /  autogenous shrinkage  /  strength
刘路明, 方志, 黄政宇, 裴炳志, 吴玉友. 膨胀剂与内养剂对超高性能混凝土性能的影响. 硅酸盐学报, 2020 , 48 (11) : 1706 -1715 . DOI: 10.14062/j.issn.0454-5648.20200255
Luming LIU, Zhi FANG, Zhengyu HUANG, Bingzhi PEI, Yuyou WU. Effects of Expansive Agent and Super-Absorbent Polymer on Performance of Ultra-high Performance Concrete[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (11) : 1706 -1715 . DOI: 10.14062/j.issn.0454-5648.20200255
Appendix
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Year 2020 volume 48 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20200255
  • Receive Date：2020-04-09
  • Online Date：2026-10-29
  • Published：2020-11-20
Article Data
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History
  • Received：2020-04-09
  • Revised：2020-05-27
Funding
Affiliations
    1.College of Civil Engineering, Hunan University, Changsha 410082, China
    2.Key Laboratory for Wind and Bridge Engineering of Hunan Province, Changsha 410082, China
    3.Hubei provincial communications investment group, Wuhan 430070, China
    4.College of transportation and civil buildings, Foshan University, Foshan 528225, Guangdong China

Corresponding:

FANG Zhi(1963-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
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Family		 属数
Number of
genus		 种数
Number of
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Percentage of
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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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