A Study on the Drying Shrinkage and Mechanical Properties of Fiber Reinforced Cement Composites Using Cellulose Nanocrystals

被引：1
作者：
Hyung-Joo Lee
Seung-Ki Kim
Heon-Seok Lee
Woosuk Kim
机构：
[1] Kumoh National Institute of Technology,Department of Architectural Engineering
来源：
International Journal of Concrete Structures and Materials | 2019年 / 13卷
关键词：
cellulose nanocrystals; drying shrinkage; strength properties; isothermal conduction calorimetry analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
As part of the research on cement composites using cellulose nanocrystal (CNC) aqueous solution instead of general water, this study produced high-toughness cement composites reinforced with flax and steel fibers to improve the tensile deformation capacity, assessing the isothermal conduction calorimetry analysis, drying shrinkage, and strength characteristics. The mixing amount of CNCs was 0.4, 0.8, and 1.2 vol.% by volume of cement, and an aqueous solution was prepared using the ultrasonication dispersion method. When comparing the results of the experiment according to the CNC mixing ratio, CNCs at 0.8 vol.% led to an improvement in the shrinkage rate and mechanical performance compared with the plain specimen.
引用
收藏
相关论文
共 68 条
  • [1] Ardanuy M(2015)Cellulosic fiber reinforced cement-based composites: A review of recent research Construction and Building Materials 79 115-128
  • [2] Claramunt J(2015)The influence of cellulose nano crystal additions on the performance of cement paste Cement & Concrete Composites 56 73-83
  • [3] Toledo Filho RD(2016)The relationship between cellulose nanocrystal dispersion and strength Construction and Building Materials 119 71-79
  • [4] Cao Y(2017)The influence of cellulose nanocrystals on the hydration and flexural strength of Portland cement pastes Polymers 9 424-434
  • [5] Zavaterri P(2015)Stress-deformation responses of steel fiber-reinforced cementitious composites in direct tension and flexure Proceeding of the Korea Concrete Institute 2015 433-118
  • [6] Youngblood J(2016)Self-shrinkage behaviors of waste paper fiber reinforced cement paste considering its self-curing effect at early-ages International Journal of Polymer Science 2016 110-43
  • [7] Moon R(2010)The effect of steel-fiber reinforcement on the compressive strength of ultra high performance cementitious composites (UHPCC) Magazine of the Korea Institute for Structural Maintenance and Inspection 14 36-641
  • [8] Weiss J(2006)Synthetic fiber to control the early crack in concrete and application in construction field Magazine of the Korea Concrete Institute 18 631-385
  • [9] Cao Y(2014)Material characteristics and residual bond properties of organic and inorganic resins for CFRP composites in thermal exposure Construction and Building Materials 50 380-439
  • [10] Zavaterri P(2016)Effect of nanocellulose on the mechanical and self-shrinkage properties of cement composites Applied Chemistry for Engineering 27 426-48
1234567