Autogenous Shrinkage Property of High-Performance Graphenes Cement-Based Composites.

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ID: 84471
2020
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Abstract
At present, high-performance cement-based composites are widely used, and they are prone to early cracking due to their high autogenous shrinkage stress. In this research, the uniformly dispersed GNPs were added into high-performance cementitious materials. The autogenous shrinkage of high-performance cementitious matrix materials with different incorporation of GNPs was also researched with water to cement ratio of 0.25, 0.30 and 0.35. According to hydration heat, hydration products, microstructure and porosity of GNPs cementitious matrix materials, the microcosmic mechanism for autogenous shrinkage was also investigated. It was testified that moderate addition of GNPs decreased the autogenous shrinkage of cement-based composites. Moreover, the autogenous shrinkage value was minimal after treatment with 0.10 wt% GNPs cement paste sample for 7 days, at the water to cement ratio of 0.35, and the depressed percentage of autogenous shrinkage reached 81.60% compared with the blank sample.
Reference Key
liu2020autogenousjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Liu, Fang;Wang, Baomin;Yuan, Xiaosa;Wang, Yonggang;Shen, Lin;
Journal Journal of nanoscience and nanotechnology
Year 2020
DOI
10.1166/jnn.2020.16913
URL
Keywords
shear strength fiber reinforcement mechanical property zinc-contaminated soil compression properties

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